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Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001/*
Ivo van Doorn96481b22010-08-06 20:47:57 +02002 Copyright (C) 2009 - 2010 Ivo van Doorn <IvDoorn@gmail.com>
Gertjan van Wingerde9c9a0d12009-11-08 16:39:55 +01003 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>
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020010 <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
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020034#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"
Bartlomiej Zolnierkiewicz7ef5cc92009-11-04 18:35:32 +010046#include "rt2800lib.h"
Bartlomiej Zolnierkiewiczb54f78a2009-11-04 18:35:54 +010047#include "rt2800.h"
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020048#include "rt2800pci.h"
49
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020050/*
51 * Allow hardware encryption to be disabled.
52 */
Ivo van Doorn04f1e342010-06-14 22:13:56 +020053static int modparam_nohwcrypt = 0;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020054module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
55MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
56
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020057static void rt2800pci_mcu_status(struct rt2x00_dev *rt2x00dev, const u8 token)
58{
59 unsigned int i;
60 u32 reg;
61
Luis Correiaf18d4462010-04-03 12:49:53 +010062 /*
63 * SOC devices don't support MCU requests.
64 */
65 if (rt2x00_is_soc(rt2x00dev))
66 return;
67
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020068 for (i = 0; i < 200; i++) {
Helmut Schaa9a819992011-04-18 15:34:01 +020069 rt2x00pci_register_read(rt2x00dev, H2M_MAILBOX_CID, &reg);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020070
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
Helmut Schaa9a819992011-04-18 15:34:01 +020083 rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
84 rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020085}
86
Gertjan van Wingerde72c72962010-11-13 19:10:54 +010087#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020088static void rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev)
89{
Gertjan van Wingerdeef8397c2010-11-13 19:11:22 +010090 void __iomem *base_addr = ioremap(0x1F040000, EEPROM_SIZE);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020091
92 memcpy_fromio(rt2x00dev->eeprom, base_addr, EEPROM_SIZE);
Gertjan van Wingerdeef8397c2010-11-13 19:11:22 +010093
94 iounmap(base_addr);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020095}
96#else
97static inline void rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev)
98{
99}
Gertjan van Wingerde72c72962010-11-13 19:10:54 +0100100#endif /* CONFIG_RALINK_RT288X || CONFIG_RALINK_RT305X */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200101
Gertjan van Wingerde72c72962010-11-13 19:10:54 +0100102#ifdef CONFIG_PCI
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200103static void rt2800pci_eepromregister_read(struct eeprom_93cx6 *eeprom)
104{
105 struct rt2x00_dev *rt2x00dev = eeprom->data;
106 u32 reg;
107
Helmut Schaa9a819992011-04-18 15:34:01 +0200108 rt2x00pci_register_read(rt2x00dev, E2PROM_CSR, &reg);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200109
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
118static 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(&reg, E2PROM_CSR_DATA_IN, !!eeprom->reg_data_in);
124 rt2x00_set_field32(&reg, E2PROM_CSR_DATA_OUT, !!eeprom->reg_data_out);
125 rt2x00_set_field32(&reg, E2PROM_CSR_DATA_CLOCK,
126 !!eeprom->reg_data_clock);
127 rt2x00_set_field32(&reg, E2PROM_CSR_CHIP_SELECT,
128 !!eeprom->reg_chip_select);
129
Helmut Schaa9a819992011-04-18 15:34:01 +0200130 rt2x00pci_register_write(rt2x00dev, E2PROM_CSR, reg);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200131}
132
133static void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev)
134{
135 struct eeprom_93cx6 eeprom;
136 u32 reg;
137
Helmut Schaa9a819992011-04-18 15:34:01 +0200138 rt2x00pci_register_read(rt2x00dev, E2PROM_CSR, &reg);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200139
140 eeprom.data = rt2x00dev;
141 eeprom.register_read = rt2800pci_eepromregister_read;
142 eeprom.register_write = rt2800pci_eepromregister_write;
Gertjan van Wingerde20f8b132010-06-29 21:44:18 +0200143 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 }
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200155 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
Gertjan van Wingerdea6598682009-11-08 12:30:35 +0100164static int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev)
165{
Bartlomiej Zolnierkiewicz30e84032009-11-08 14:39:48 +0100166 return rt2800_efuse_detect(rt2x00dev);
Gertjan van Wingerdea6598682009-11-08 12:30:35 +0100167}
168
Bartlomiej Zolnierkiewicz30e84032009-11-08 14:39:48 +0100169static inline void rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200170{
Bartlomiej Zolnierkiewicz30e84032009-11-08 14:39:48 +0100171 rt2800_read_eeprom_efuse(rt2x00dev);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200172}
173#else
174static inline void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev)
175{
176}
177
Gertjan van Wingerdea6598682009-11-08 12:30:35 +0100178static inline int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev)
179{
180 return 0;
181}
182
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200183static inline void rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
184{
185}
Gertjan van Wingerde72c72962010-11-13 19:10:54 +0100186#endif /* CONFIG_PCI */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200187
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200188/*
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100189 * Queue handlers.
190 */
191static 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:
Helmut Schaa9a819992011-04-18 15:34:01 +0200198 rt2x00pci_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100199 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200200 rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100201 break;
202 case QID_BEACON:
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100203 /*
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
Helmut Schaa9a819992011-04-18 15:34:01 +0200210 rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100211 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
212 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
213 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200214 rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg);
Helmut Schaa69cf36a2011-01-30 13:16:03 +0100215
Helmut Schaa9a819992011-04-18 15:34:01 +0200216 rt2x00pci_register_read(rt2x00dev, INT_TIMER_EN, &reg);
Helmut Schaa69cf36a2011-01-30 13:16:03 +0100217 rt2x00_set_field32(&reg, INT_TIMER_EN_PRE_TBTT_TIMER, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200218 rt2x00pci_register_write(rt2x00dev, INT_TIMER_EN, reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100219 break;
220 default:
221 break;
222 };
223}
224
225static 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) {
Ivo van Doornf615e9a2010-12-13 12:36:38 +0100231 case QID_AC_VO:
232 case QID_AC_VI:
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100233 case QID_AC_BE:
234 case QID_AC_BK:
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100235 entry = rt2x00queue_get_entry(queue, Q_INDEX);
Helmut Schaa9a819992011-04-18 15:34:01 +0200236 rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX(queue->qid),
237 entry->entry_idx);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100238 break;
239 case QID_MGMT:
240 entry = rt2x00queue_get_entry(queue, Q_INDEX);
Helmut Schaa9a819992011-04-18 15:34:01 +0200241 rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX(5),
242 entry->entry_idx);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100243 break;
244 default:
245 break;
246 }
247}
248
249static void rt2800pci_stop_queue(struct data_queue *queue)
250{
251 struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
252 u32 reg;
253
254 switch (queue->qid) {
255 case QID_RX:
Helmut Schaa9a819992011-04-18 15:34:01 +0200256 rt2x00pci_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100257 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
Helmut Schaa9a819992011-04-18 15:34:01 +0200258 rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100259 break;
260 case QID_BEACON:
Helmut Schaa9a819992011-04-18 15:34:01 +0200261 rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100262 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
263 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
264 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
Helmut Schaa9a819992011-04-18 15:34:01 +0200265 rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg);
Helmut Schaa69cf36a2011-01-30 13:16:03 +0100266
Helmut Schaa9a819992011-04-18 15:34:01 +0200267 rt2x00pci_register_read(rt2x00dev, INT_TIMER_EN, &reg);
Helmut Schaa69cf36a2011-01-30 13:16:03 +0100268 rt2x00_set_field32(&reg, INT_TIMER_EN_PRE_TBTT_TIMER, 0);
Helmut Schaa9a819992011-04-18 15:34:01 +0200269 rt2x00pci_register_write(rt2x00dev, INT_TIMER_EN, reg);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100270
271 /*
272 * Wait for tbtt tasklets to finish.
273 */
274 tasklet_disable(&rt2x00dev->tbtt_tasklet);
275 tasklet_disable(&rt2x00dev->pretbtt_tasklet);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100276 break;
277 default:
278 break;
279 }
280}
281
282/*
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200283 * Firmware functions
284 */
285static char *rt2800pci_get_firmware_name(struct rt2x00_dev *rt2x00dev)
286{
287 return FIRMWARE_RT2860;
288}
289
Ivo van Doornf31c9a82010-07-11 12:30:37 +0200290static int rt2800pci_write_firmware(struct rt2x00_dev *rt2x00dev,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200291 const u8 *data, const size_t len)
292{
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200293 u32 reg;
294
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200295 /*
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200296 * enable Host program ram write selection
297 */
298 reg = 0;
299 rt2x00_set_field32(&reg, PBF_SYS_CTRL_HOST_RAM_WRITE, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200300 rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, reg);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200301
302 /*
303 * Write firmware to device.
304 */
Ivo van Doornd4c838e2011-04-30 17:14:49 +0200305 rt2x00pci_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
306 data, len);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200307
Helmut Schaa9a819992011-04-18 15:34:01 +0200308 rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000);
309 rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200310
Helmut Schaa9a819992011-04-18 15:34:01 +0200311 rt2x00pci_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
312 rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200313
314 return 0;
315}
316
317/*
318 * Initialization functions.
319 */
320static bool rt2800pci_get_entry_state(struct queue_entry *entry)
321{
322 struct queue_entry_priv_pci *entry_priv = entry->priv_data;
323 u32 word;
324
325 if (entry->queue->qid == QID_RX) {
326 rt2x00_desc_read(entry_priv->desc, 1, &word);
327
328 return (!rt2x00_get_field32(word, RXD_W1_DMA_DONE));
329 } else {
330 rt2x00_desc_read(entry_priv->desc, 1, &word);
331
332 return (!rt2x00_get_field32(word, TXD_W1_DMA_DONE));
333 }
334}
335
336static void rt2800pci_clear_entry(struct queue_entry *entry)
337{
338 struct queue_entry_priv_pci *entry_priv = entry->priv_data;
339 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
Helmut Schaa95192332010-10-02 11:29:30 +0200340 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200341 u32 word;
342
343 if (entry->queue->qid == QID_RX) {
344 rt2x00_desc_read(entry_priv->desc, 0, &word);
345 rt2x00_set_field32(&word, RXD_W0_SDP0, skbdesc->skb_dma);
346 rt2x00_desc_write(entry_priv->desc, 0, word);
347
348 rt2x00_desc_read(entry_priv->desc, 1, &word);
349 rt2x00_set_field32(&word, RXD_W1_DMA_DONE, 0);
350 rt2x00_desc_write(entry_priv->desc, 1, word);
Helmut Schaa95192332010-10-02 11:29:30 +0200351
352 /*
353 * Set RX IDX in register to inform hardware that we have
354 * handled this entry and it is available for reuse again.
355 */
Helmut Schaa9a819992011-04-18 15:34:01 +0200356 rt2x00pci_register_write(rt2x00dev, RX_CRX_IDX,
Helmut Schaa95192332010-10-02 11:29:30 +0200357 entry->entry_idx);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200358 } else {
359 rt2x00_desc_read(entry_priv->desc, 1, &word);
360 rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 1);
361 rt2x00_desc_write(entry_priv->desc, 1, word);
362 }
363}
364
365static int rt2800pci_init_queues(struct rt2x00_dev *rt2x00dev)
366{
367 struct queue_entry_priv_pci *entry_priv;
368 u32 reg;
369
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200370 /*
371 * Initialize registers.
372 */
373 entry_priv = rt2x00dev->tx[0].entries[0].priv_data;
Helmut Schaa9a819992011-04-18 15:34:01 +0200374 rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR0, entry_priv->desc_dma);
375 rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT0,
376 rt2x00dev->tx[0].limit);
377 rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX0, 0);
378 rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX0, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200379
380 entry_priv = rt2x00dev->tx[1].entries[0].priv_data;
Helmut Schaa9a819992011-04-18 15:34:01 +0200381 rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR1, entry_priv->desc_dma);
382 rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT1,
383 rt2x00dev->tx[1].limit);
384 rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX1, 0);
385 rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX1, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200386
387 entry_priv = rt2x00dev->tx[2].entries[0].priv_data;
Helmut Schaa9a819992011-04-18 15:34:01 +0200388 rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR2, entry_priv->desc_dma);
389 rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT2,
390 rt2x00dev->tx[2].limit);
391 rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX2, 0);
392 rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX2, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200393
394 entry_priv = rt2x00dev->tx[3].entries[0].priv_data;
Helmut Schaa9a819992011-04-18 15:34:01 +0200395 rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR3, entry_priv->desc_dma);
396 rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT3,
397 rt2x00dev->tx[3].limit);
398 rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX3, 0);
399 rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX3, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200400
401 entry_priv = rt2x00dev->rx->entries[0].priv_data;
Helmut Schaa9a819992011-04-18 15:34:01 +0200402 rt2x00pci_register_write(rt2x00dev, RX_BASE_PTR, entry_priv->desc_dma);
403 rt2x00pci_register_write(rt2x00dev, RX_MAX_CNT,
404 rt2x00dev->rx[0].limit);
405 rt2x00pci_register_write(rt2x00dev, RX_CRX_IDX,
406 rt2x00dev->rx[0].limit - 1);
407 rt2x00pci_register_write(rt2x00dev, RX_DRX_IDX, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200408
409 /*
410 * Enable global DMA configuration
411 */
Helmut Schaa9a819992011-04-18 15:34:01 +0200412 rt2x00pci_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200413 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
414 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
415 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200416 rt2x00pci_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200417
Helmut Schaa9a819992011-04-18 15:34:01 +0200418 rt2x00pci_register_write(rt2x00dev, DELAY_INT_CFG, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200419
420 return 0;
421}
422
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200423/*
424 * Device state switch handlers.
425 */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200426static void rt2800pci_toggle_irq(struct rt2x00_dev *rt2x00dev,
427 enum dev_state state)
428{
Helmut Schaab5509112011-01-30 13:20:52 +0100429 int mask = (state == STATE_RADIO_IRQ_ON);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200430 u32 reg;
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100431 unsigned long flags;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200432
433 /*
434 * When interrupts are being enabled, the interrupt registers
435 * should clear the register to assure a clean state.
436 */
437 if (state == STATE_RADIO_IRQ_ON) {
Helmut Schaa9a819992011-04-18 15:34:01 +0200438 rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, &reg);
439 rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
Helmut Schaac8e15a12011-01-30 13:18:13 +0100440
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100441 /*
442 * Enable tasklets. The beacon related tasklets are
443 * enabled when the beacon queue is started.
444 */
Helmut Schaac8e15a12011-01-30 13:18:13 +0100445 tasklet_enable(&rt2x00dev->txstatus_tasklet);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100446 tasklet_enable(&rt2x00dev->rxdone_tasklet);
447 tasklet_enable(&rt2x00dev->autowake_tasklet);
448 }
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200449
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100450 spin_lock_irqsave(&rt2x00dev->irqmask_lock, flags);
Helmut Schaa9a819992011-04-18 15:34:01 +0200451 rt2x00pci_register_read(rt2x00dev, INT_MASK_CSR, &reg);
Helmut Schaa93149cf2010-09-08 20:56:52 +0200452 rt2x00_set_field32(&reg, INT_MASK_CSR_RXDELAYINT, 0);
453 rt2x00_set_field32(&reg, INT_MASK_CSR_TXDELAYINT, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200454 rt2x00_set_field32(&reg, INT_MASK_CSR_RX_DONE, mask);
Helmut Schaa93149cf2010-09-08 20:56:52 +0200455 rt2x00_set_field32(&reg, INT_MASK_CSR_AC0_DMA_DONE, 0);
456 rt2x00_set_field32(&reg, INT_MASK_CSR_AC1_DMA_DONE, 0);
457 rt2x00_set_field32(&reg, INT_MASK_CSR_AC2_DMA_DONE, 0);
458 rt2x00_set_field32(&reg, INT_MASK_CSR_AC3_DMA_DONE, 0);
459 rt2x00_set_field32(&reg, INT_MASK_CSR_HCCA_DMA_DONE, 0);
460 rt2x00_set_field32(&reg, INT_MASK_CSR_MGMT_DMA_DONE, 0);
461 rt2x00_set_field32(&reg, INT_MASK_CSR_MCU_COMMAND, 0);
462 rt2x00_set_field32(&reg, INT_MASK_CSR_RXTX_COHERENT, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200463 rt2x00_set_field32(&reg, INT_MASK_CSR_TBTT, mask);
464 rt2x00_set_field32(&reg, INT_MASK_CSR_PRE_TBTT, mask);
465 rt2x00_set_field32(&reg, INT_MASK_CSR_TX_FIFO_STATUS, mask);
466 rt2x00_set_field32(&reg, INT_MASK_CSR_AUTO_WAKEUP, mask);
Helmut Schaa93149cf2010-09-08 20:56:52 +0200467 rt2x00_set_field32(&reg, INT_MASK_CSR_GPTIMER, 0);
468 rt2x00_set_field32(&reg, INT_MASK_CSR_RX_COHERENT, 0);
469 rt2x00_set_field32(&reg, INT_MASK_CSR_TX_COHERENT, 0);
Helmut Schaa9a819992011-04-18 15:34:01 +0200470 rt2x00pci_register_write(rt2x00dev, INT_MASK_CSR, reg);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100471 spin_unlock_irqrestore(&rt2x00dev->irqmask_lock, flags);
472
473 if (state == STATE_RADIO_IRQ_OFF) {
474 /*
475 * Ensure that all tasklets are finished before
476 * disabling the interrupts.
477 */
478 tasklet_disable(&rt2x00dev->txstatus_tasklet);
479 tasklet_disable(&rt2x00dev->rxdone_tasklet);
480 tasklet_disable(&rt2x00dev->autowake_tasklet);
481 }
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200482}
483
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200484static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev)
485{
486 u32 reg;
487
488 /*
489 * Reset DMA indexes
490 */
Helmut Schaa9a819992011-04-18 15:34:01 +0200491 rt2x00pci_register_read(rt2x00dev, WPDMA_RST_IDX, &reg);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200492 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX0, 1);
493 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX1, 1);
494 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX2, 1);
495 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX3, 1);
496 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX4, 1);
497 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX5, 1);
498 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DRX_IDX0, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200499 rt2x00pci_register_write(rt2x00dev, WPDMA_RST_IDX, reg);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200500
Helmut Schaa9a819992011-04-18 15:34:01 +0200501 rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f);
502 rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200503
Gertjan van Wingerde872834d2011-05-18 20:25:31 +0200504 if (rt2x00_is_pcie(rt2x00dev) &&
505 (rt2x00_rt(rt2x00dev, RT3572) ||
506 rt2x00_rt(rt2x00dev, RT5390))) {
Helmut Schaa9a819992011-04-18 15:34:01 +0200507 rt2x00pci_register_read(rt2x00dev, AUX_CTRL, &reg);
Gabor Juhosadde5882011-03-03 11:46:45 +0100508 rt2x00_set_field32(&reg, AUX_CTRL_FORCE_PCIE_CLK, 1);
509 rt2x00_set_field32(&reg, AUX_CTRL_WAKE_PCIE_EN, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200510 rt2x00pci_register_write(rt2x00dev, AUX_CTRL, reg);
Gabor Juhosadde5882011-03-03 11:46:45 +0100511 }
RA-Shiang Tu60687ba2011-02-20 13:57:46 +0100512
Helmut Schaa9a819992011-04-18 15:34:01 +0200513 rt2x00pci_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200514
Helmut Schaa9a819992011-04-18 15:34:01 +0200515 rt2x00pci_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200516 rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
517 rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200518 rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200519
Helmut Schaa9a819992011-04-18 15:34:01 +0200520 rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200521
522 return 0;
523}
524
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200525static int rt2800pci_enable_radio(struct rt2x00_dev *rt2x00dev)
526{
Gertjan van Wingerde67a4c1e2009-12-30 11:36:32 +0100527 if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) ||
Ivo van Doornb9a07ae2010-08-23 19:55:22 +0200528 rt2800pci_init_queues(rt2x00dev)))
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200529 return -EIO;
530
Ivo van Doornb9a07ae2010-08-23 19:55:22 +0200531 return rt2800_enable_radio(rt2x00dev);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200532}
533
534static void rt2800pci_disable_radio(struct rt2x00_dev *rt2x00dev)
535{
RA-Jay Hung7f6e1442011-01-10 11:27:43 +0100536 if (rt2x00_is_soc(rt2x00dev)) {
537 rt2800_disable_radio(rt2x00dev);
Helmut Schaa9a819992011-04-18 15:34:01 +0200538 rt2x00pci_register_write(rt2x00dev, PWR_PIN_CFG, 0);
539 rt2x00pci_register_write(rt2x00dev, TX_PIN_CFG, 0);
RA-Jay Hung7f6e1442011-01-10 11:27:43 +0100540 }
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200541}
542
543static int rt2800pci_set_state(struct rt2x00_dev *rt2x00dev,
544 enum dev_state state)
545{
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200546 if (state == STATE_AWAKE) {
RA-Jay Hung7f6e1442011-01-10 11:27:43 +0100547 rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKUP, 0, 0x02);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200548 rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKUP);
RA-Jay Hung7f6e1442011-01-10 11:27:43 +0100549 } else if (state == STATE_SLEEP) {
Helmut Schaa9a819992011-04-18 15:34:01 +0200550 rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_STATUS,
551 0xffffffff);
552 rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CID,
553 0xffffffff);
RA-Jay Hung7f6e1442011-01-10 11:27:43 +0100554 rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0x01, 0xff, 0x01);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200555 }
556
557 return 0;
558}
559
560static int rt2800pci_set_device_state(struct rt2x00_dev *rt2x00dev,
561 enum dev_state state)
562{
563 int retval = 0;
564
565 switch (state) {
566 case STATE_RADIO_ON:
567 /*
568 * Before the radio can be enabled, the device first has
569 * to be woken up. After that it needs a bit of time
570 * to be fully awake and then the radio can be enabled.
571 */
572 rt2800pci_set_state(rt2x00dev, STATE_AWAKE);
573 msleep(1);
574 retval = rt2800pci_enable_radio(rt2x00dev);
575 break;
576 case STATE_RADIO_OFF:
577 /*
578 * After the radio has been disabled, the device should
579 * be put to sleep for powersaving.
580 */
581 rt2800pci_disable_radio(rt2x00dev);
582 rt2800pci_set_state(rt2x00dev, STATE_SLEEP);
583 break;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200584 case STATE_RADIO_IRQ_ON:
585 case STATE_RADIO_IRQ_OFF:
586 rt2800pci_toggle_irq(rt2x00dev, state);
587 break;
588 case STATE_DEEP_SLEEP:
589 case STATE_SLEEP:
590 case STATE_STANDBY:
591 case STATE_AWAKE:
592 retval = rt2800pci_set_state(rt2x00dev, state);
593 break;
594 default:
595 retval = -ENOTSUPP;
596 break;
597 }
598
599 if (unlikely(retval))
600 ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
601 state, retval);
602
603 return retval;
604}
605
606/*
607 * TX descriptor initialization
608 */
Ivo van Doorn0c5879b2010-08-06 20:47:20 +0200609static __le32 *rt2800pci_get_txwi(struct queue_entry *entry)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200610{
Ivo van Doorn0c5879b2010-08-06 20:47:20 +0200611 return (__le32 *) entry->skb->data;
Helmut Schaa745b1ae2010-04-15 09:13:35 +0200612}
613
Ivo van Doorn93331452010-08-23 19:53:39 +0200614static void rt2800pci_write_tx_desc(struct queue_entry *entry,
Helmut Schaa745b1ae2010-04-15 09:13:35 +0200615 struct txentry_desc *txdesc)
616{
Ivo van Doorn93331452010-08-23 19:53:39 +0200617 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
618 struct queue_entry_priv_pci *entry_priv = entry->priv_data;
Gertjan van Wingerde85b7a8b2010-05-11 23:51:40 +0200619 __le32 *txd = entry_priv->desc;
Helmut Schaa745b1ae2010-04-15 09:13:35 +0200620 u32 word;
621
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200622 /*
623 * The buffers pointed by SD_PTR0/SD_LEN0 and SD_PTR1/SD_LEN1
624 * must contains a TXWI structure + 802.11 header + padding + 802.11
625 * data. We choose to have SD_PTR0/SD_LEN0 only contains TXWI and
626 * SD_PTR1/SD_LEN1 contains 802.11 header + padding + 802.11
627 * data. It means that LAST_SEC0 is always 0.
628 */
629
630 /*
631 * Initialize TX descriptor
632 */
633 rt2x00_desc_read(txd, 0, &word);
634 rt2x00_set_field32(&word, TXD_W0_SD_PTR0, skbdesc->skb_dma);
635 rt2x00_desc_write(txd, 0, word);
636
637 rt2x00_desc_read(txd, 1, &word);
Ivo van Doorn93331452010-08-23 19:53:39 +0200638 rt2x00_set_field32(&word, TXD_W1_SD_LEN1, entry->skb->len);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200639 rt2x00_set_field32(&word, TXD_W1_LAST_SEC1,
640 !test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
641 rt2x00_set_field32(&word, TXD_W1_BURST,
642 test_bit(ENTRY_TXD_BURST, &txdesc->flags));
Gertjan van Wingerde85b7a8b2010-05-11 23:51:40 +0200643 rt2x00_set_field32(&word, TXD_W1_SD_LEN0, TXWI_DESC_SIZE);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200644 rt2x00_set_field32(&word, TXD_W1_LAST_SEC0, 0);
645 rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 0);
646 rt2x00_desc_write(txd, 1, word);
647
648 rt2x00_desc_read(txd, 2, &word);
649 rt2x00_set_field32(&word, TXD_W2_SD_PTR1,
Gertjan van Wingerde85b7a8b2010-05-11 23:51:40 +0200650 skbdesc->skb_dma + TXWI_DESC_SIZE);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200651 rt2x00_desc_write(txd, 2, word);
652
653 rt2x00_desc_read(txd, 3, &word);
654 rt2x00_set_field32(&word, TXD_W3_WIV,
655 !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
656 rt2x00_set_field32(&word, TXD_W3_QSEL, 2);
657 rt2x00_desc_write(txd, 3, word);
Gertjan van Wingerde85b7a8b2010-05-11 23:51:40 +0200658
659 /*
660 * Register descriptor details in skb frame descriptor.
661 */
662 skbdesc->desc = txd;
663 skbdesc->desc_len = TXD_DESC_SIZE;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200664}
665
666/*
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200667 * RX control handlers
668 */
669static void rt2800pci_fill_rxdone(struct queue_entry *entry,
670 struct rxdone_entry_desc *rxdesc)
671{
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200672 struct queue_entry_priv_pci *entry_priv = entry->priv_data;
673 __le32 *rxd = entry_priv->desc;
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200674 u32 word;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200675
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200676 rt2x00_desc_read(rxd, 3, &word);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200677
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200678 if (rt2x00_get_field32(word, RXD_W3_CRC_ERROR))
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200679 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
680
Gertjan van Wingerde78b8f3b2010-05-08 23:40:20 +0200681 /*
682 * Unfortunately we don't know the cipher type used during
683 * decryption. This prevents us from correct providing
684 * correct statistics through debugfs.
685 */
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200686 rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W3_CIPHER_ERROR);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200687
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200688 if (rt2x00_get_field32(word, RXD_W3_DECRYPTED)) {
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200689 /*
690 * Hardware has stripped IV/EIV data from 802.11 frame during
691 * decryption. Unfortunately the descriptor doesn't contain
692 * any fields with the EIV/IV data either, so they can't
693 * be restored by rt2x00lib.
694 */
695 rxdesc->flags |= RX_FLAG_IV_STRIPPED;
696
Gertjan van Wingerdea45f3692011-01-30 13:22:41 +0100697 /*
698 * The hardware has already checked the Michael Mic and has
699 * stripped it from the frame. Signal this to mac80211.
700 */
701 rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
702
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200703 if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
704 rxdesc->flags |= RX_FLAG_DECRYPTED;
705 else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
706 rxdesc->flags |= RX_FLAG_MMIC_ERROR;
707 }
708
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200709 if (rt2x00_get_field32(word, RXD_W3_MY_BSS))
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200710 rxdesc->dev_flags |= RXDONE_MY_BSS;
711
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200712 if (rt2x00_get_field32(word, RXD_W3_L2PAD))
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200713 rxdesc->dev_flags |= RXDONE_L2PAD;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200714
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200715 /*
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200716 * Process the RXWI structure that is at the start of the buffer.
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200717 */
Ivo van Doorn74861922010-07-11 12:23:50 +0200718 rt2800_process_rxwi(entry, rxdesc);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200719}
720
721/*
722 * Interrupt functions.
723 */
Gertjan van Wingerde4d66edc2010-03-30 23:50:26 +0200724static void rt2800pci_wakeup(struct rt2x00_dev *rt2x00dev)
725{
726 struct ieee80211_conf conf = { .flags = 0 };
727 struct rt2x00lib_conf libconf = { .conf = &conf };
728
729 rt2800_config(rt2x00dev, &libconf, IEEE80211_CONF_CHANGE_PS);
730}
731
Helmut Schaa2e7798b2011-03-28 13:30:09 +0200732static bool rt2800pci_txdone(struct rt2x00_dev *rt2x00dev)
Helmut Schaa96c3da72010-10-02 11:27:35 +0200733{
734 struct data_queue *queue;
735 struct queue_entry *entry;
736 u32 status;
737 u8 qid;
Helmut Schaa2e7798b2011-03-28 13:30:09 +0200738 int max_tx_done = 16;
Helmut Schaa96c3da72010-10-02 11:27:35 +0200739
Johannes Stezenbachc4d63242010-12-27 15:04:29 +0100740 while (kfifo_get(&rt2x00dev->txstatus_fifo, &status)) {
Helmut Schaa12eec2c2010-10-09 13:35:48 +0200741 qid = rt2x00_get_field32(status, TX_STA_FIFO_PID_QUEUE);
Helmut Schaa87443e82011-03-03 19:39:27 +0100742 if (unlikely(qid >= QID_RX)) {
Helmut Schaa96c3da72010-10-02 11:27:35 +0200743 /*
744 * Unknown queue, this shouldn't happen. Just drop
745 * this tx status.
746 */
747 WARNING(rt2x00dev, "Got TX status report with "
Johannes Stezenbach094a1d92010-12-13 12:34:00 +0100748 "unexpected pid %u, dropping\n", qid);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200749 break;
750 }
751
Helmut Schaa11f818e2011-03-03 19:38:55 +0100752 queue = rt2x00queue_get_tx_queue(rt2x00dev, qid);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200753 if (unlikely(queue == NULL)) {
754 /*
755 * The queue is NULL, this shouldn't happen. Stop
756 * processing here and drop the tx status
757 */
758 WARNING(rt2x00dev, "Got TX status for an unavailable "
Johannes Stezenbach094a1d92010-12-13 12:34:00 +0100759 "queue %u, dropping\n", qid);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200760 break;
761 }
762
Helmut Schaa87443e82011-03-03 19:39:27 +0100763 if (unlikely(rt2x00queue_empty(queue))) {
Helmut Schaa96c3da72010-10-02 11:27:35 +0200764 /*
765 * The queue is empty. Stop processing here
766 * and drop the tx status.
767 */
768 WARNING(rt2x00dev, "Got TX status for an empty "
Johannes Stezenbach094a1d92010-12-13 12:34:00 +0100769 "queue %u, dropping\n", qid);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200770 break;
771 }
772
773 entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
774 rt2800_txdone_entry(entry, status);
Helmut Schaa2e7798b2011-03-28 13:30:09 +0200775
776 if (--max_tx_done == 0)
777 break;
Helmut Schaa96c3da72010-10-02 11:27:35 +0200778 }
Helmut Schaa2e7798b2011-03-28 13:30:09 +0200779
780 return !max_tx_done;
Helmut Schaa96c3da72010-10-02 11:27:35 +0200781}
782
Helmut Schaa7a5a6812011-04-18 15:31:31 +0200783static inline void rt2800pci_enable_interrupt(struct rt2x00_dev *rt2x00dev,
784 struct rt2x00_field32 irq_field)
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100785{
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100786 u32 reg;
787
788 /*
789 * Enable a single interrupt. The interrupt mask register
790 * access needs locking.
791 */
Helmut Schaa0aa13b22011-03-03 19:45:16 +0100792 spin_lock_irq(&rt2x00dev->irqmask_lock);
Helmut Schaa9a819992011-04-18 15:34:01 +0200793 rt2x00pci_register_read(rt2x00dev, INT_MASK_CSR, &reg);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100794 rt2x00_set_field32(&reg, irq_field, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200795 rt2x00pci_register_write(rt2x00dev, INT_MASK_CSR, reg);
Helmut Schaa0aa13b22011-03-03 19:45:16 +0100796 spin_unlock_irq(&rt2x00dev->irqmask_lock);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100797}
798
Helmut Schaa96c3da72010-10-02 11:27:35 +0200799static void rt2800pci_txstatus_tasklet(unsigned long data)
800{
Helmut Schaa2e7798b2011-03-28 13:30:09 +0200801 struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
802 if (rt2800pci_txdone(rt2x00dev))
803 tasklet_schedule(&rt2x00dev->txstatus_tasklet);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100804
805 /*
806 * No need to enable the tx status interrupt here as we always
807 * leave it enabled to minimize the possibility of a tx status
808 * register overflow. See comment in interrupt handler.
809 */
Helmut Schaa96c3da72010-10-02 11:27:35 +0200810}
811
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100812static void rt2800pci_pretbtt_tasklet(unsigned long data)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200813{
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100814 struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
815 rt2x00lib_pretbtt(rt2x00dev);
816 rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_PRE_TBTT);
817}
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200818
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100819static void rt2800pci_tbtt_tasklet(unsigned long data)
820{
821 struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
822 rt2x00lib_beacondone(rt2x00dev);
823 rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_TBTT);
824}
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200825
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100826static void rt2800pci_rxdone_tasklet(unsigned long data)
827{
828 struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
Helmut Schaa16638932011-03-28 13:29:44 +0200829 if (rt2x00pci_rxdone(rt2x00dev))
830 tasklet_schedule(&rt2x00dev->rxdone_tasklet);
831 else
832 rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_RX_DONE);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100833}
Helmut Schaaad903192010-06-29 21:46:43 +0200834
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100835static void rt2800pci_autowake_tasklet(unsigned long data)
836{
837 struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
838 rt2800pci_wakeup(rt2x00dev);
839 rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_AUTO_WAKEUP);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200840}
841
Helmut Schaa96c3da72010-10-02 11:27:35 +0200842static void rt2800pci_txstatus_interrupt(struct rt2x00_dev *rt2x00dev)
843{
844 u32 status;
845 int i;
846
847 /*
848 * The TX_FIFO_STATUS interrupt needs special care. We should
849 * read TX_STA_FIFO but we should do it immediately as otherwise
850 * the register can overflow and we would lose status reports.
851 *
852 * Hence, read the TX_STA_FIFO register and copy all tx status
853 * reports into a kernel FIFO which is handled in the txstatus
854 * tasklet. We use a tasklet to process the tx status reports
855 * because we can schedule the tasklet multiple times (when the
856 * interrupt fires again during tx status processing).
857 *
858 * Furthermore we don't disable the TX_FIFO_STATUS
859 * interrupt here but leave it enabled so that the TX_STA_FIFO
Helmut Schaa3736fe52011-03-03 19:45:39 +0100860 * can also be read while the tx status tasklet gets executed.
Helmut Schaa96c3da72010-10-02 11:27:35 +0200861 *
862 * Since we have only one producer and one consumer we don't
863 * need to lock the kfifo.
864 */
Helmut Schaaefd2f272010-11-04 20:37:22 +0100865 for (i = 0; i < rt2x00dev->ops->tx->entry_num; i++) {
Helmut Schaa9a819992011-04-18 15:34:01 +0200866 rt2x00pci_register_read(rt2x00dev, TX_STA_FIFO, &status);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200867
868 if (!rt2x00_get_field32(status, TX_STA_FIFO_VALID))
869 break;
870
Johannes Stezenbachc4d63242010-12-27 15:04:29 +0100871 if (!kfifo_put(&rt2x00dev->txstatus_fifo, &status)) {
Helmut Schaa96c3da72010-10-02 11:27:35 +0200872 WARNING(rt2x00dev, "TX status FIFO overrun,"
873 "drop tx status report.\n");
874 break;
875 }
876 }
877
878 /* Schedule the tasklet for processing the tx status. */
879 tasklet_schedule(&rt2x00dev->txstatus_tasklet);
880}
881
Helmut Schaa78e256c2010-07-11 12:26:48 +0200882static irqreturn_t rt2800pci_interrupt(int irq, void *dev_instance)
883{
884 struct rt2x00_dev *rt2x00dev = dev_instance;
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100885 u32 reg, mask;
Helmut Schaa78e256c2010-07-11 12:26:48 +0200886
887 /* Read status and ACK all interrupts */
Helmut Schaa9a819992011-04-18 15:34:01 +0200888 rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, &reg);
889 rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
Helmut Schaa78e256c2010-07-11 12:26:48 +0200890
891 if (!reg)
892 return IRQ_NONE;
893
894 if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
895 return IRQ_HANDLED;
896
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100897 /*
898 * Since INT_MASK_CSR and INT_SOURCE_CSR use the same bits
899 * for interrupts and interrupt masks we can just use the value of
900 * INT_SOURCE_CSR to create the interrupt mask.
901 */
902 mask = ~reg;
903
904 if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TX_FIFO_STATUS)) {
Helmut Schaa96c3da72010-10-02 11:27:35 +0200905 rt2800pci_txstatus_interrupt(rt2x00dev);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200906 /*
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100907 * Never disable the TX_FIFO_STATUS interrupt.
Helmut Schaa96c3da72010-10-02 11:27:35 +0200908 */
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100909 rt2x00_set_field32(&mask, INT_MASK_CSR_TX_FIFO_STATUS, 1);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200910 }
911
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100912 if (rt2x00_get_field32(reg, INT_SOURCE_CSR_PRE_TBTT))
913 tasklet_hi_schedule(&rt2x00dev->pretbtt_tasklet);
914
915 if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TBTT))
916 tasklet_hi_schedule(&rt2x00dev->tbtt_tasklet);
917
918 if (rt2x00_get_field32(reg, INT_SOURCE_CSR_RX_DONE))
919 tasklet_schedule(&rt2x00dev->rxdone_tasklet);
920
921 if (rt2x00_get_field32(reg, INT_SOURCE_CSR_AUTO_WAKEUP))
922 tasklet_schedule(&rt2x00dev->autowake_tasklet);
923
924 /*
925 * Disable all interrupts for which a tasklet was scheduled right now,
926 * the tasklet will reenable the appropriate interrupts.
927 */
Helmut Schaa0aa13b22011-03-03 19:45:16 +0100928 spin_lock(&rt2x00dev->irqmask_lock);
Helmut Schaa9a819992011-04-18 15:34:01 +0200929 rt2x00pci_register_read(rt2x00dev, INT_MASK_CSR, &reg);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100930 reg &= mask;
Helmut Schaa9a819992011-04-18 15:34:01 +0200931 rt2x00pci_register_write(rt2x00dev, INT_MASK_CSR, reg);
Helmut Schaa0aa13b22011-03-03 19:45:16 +0100932 spin_unlock(&rt2x00dev->irqmask_lock);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100933
934 return IRQ_HANDLED;
Helmut Schaa78e256c2010-07-11 12:26:48 +0200935}
936
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200937/*
938 * Device probe functions.
939 */
Bartlomiej Zolnierkiewicz7ab71322009-11-08 14:38:54 +0100940static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
941{
942 /*
943 * Read EEPROM into buffer
944 */
Gertjan van Wingerdecea90e52010-02-13 20:55:47 +0100945 if (rt2x00_is_soc(rt2x00dev))
Bartlomiej Zolnierkiewicz7ab71322009-11-08 14:38:54 +0100946 rt2800pci_read_eeprom_soc(rt2x00dev);
Gertjan van Wingerdecea90e52010-02-13 20:55:47 +0100947 else if (rt2800pci_efuse_detect(rt2x00dev))
948 rt2800pci_read_eeprom_efuse(rt2x00dev);
949 else
950 rt2800pci_read_eeprom_pci(rt2x00dev);
Bartlomiej Zolnierkiewicz7ab71322009-11-08 14:38:54 +0100951
952 return rt2800_validate_eeprom(rt2x00dev);
953}
954
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200955static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev)
956{
957 int retval;
958
959 /*
960 * Allocate eeprom data.
961 */
962 retval = rt2800pci_validate_eeprom(rt2x00dev);
963 if (retval)
964 return retval;
965
Bartlomiej Zolnierkiewicz38bd7b82009-11-08 14:39:01 +0100966 retval = rt2800_init_eeprom(rt2x00dev);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200967 if (retval)
968 return retval;
969
970 /*
971 * Initialize hw specifications.
972 */
Bartlomiej Zolnierkiewicz4da29332009-11-08 14:39:32 +0100973 retval = rt2800_probe_hw_mode(rt2x00dev);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200974 if (retval)
975 return retval;
976
977 /*
978 * This device has multiple filters for control frames
979 * and has a separate filter for PS Poll frames.
980 */
Ivo van Doorn7dab73b2011-04-18 15:27:06 +0200981 __set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags);
982 __set_bit(CAPABILITY_CONTROL_FILTER_PSPOLL, &rt2x00dev->cap_flags);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200983
984 /*
Helmut Schaa9f926fb2010-07-11 12:28:23 +0200985 * This device has a pre tbtt interrupt and thus fetches
986 * a new beacon directly prior to transmission.
987 */
Ivo van Doorn7dab73b2011-04-18 15:27:06 +0200988 __set_bit(CAPABILITY_PRE_TBTT_INTERRUPT, &rt2x00dev->cap_flags);
Helmut Schaa9f926fb2010-07-11 12:28:23 +0200989
990 /*
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200991 * This device requires firmware.
992 */
Gertjan van Wingerdecea90e52010-02-13 20:55:47 +0100993 if (!rt2x00_is_soc(rt2x00dev))
Ivo van Doorn7dab73b2011-04-18 15:27:06 +0200994 __set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags);
995 __set_bit(REQUIRE_DMA, &rt2x00dev->cap_flags);
996 __set_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags);
997 __set_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags);
998 __set_bit(REQUIRE_TASKLET_CONTEXT, &rt2x00dev->cap_flags);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200999 if (!modparam_nohwcrypt)
Ivo van Doorn7dab73b2011-04-18 15:27:06 +02001000 __set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags);
1001 __set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags);
1002 __set_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001003
1004 /*
1005 * Set the rssi offset.
1006 */
1007 rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
1008
1009 return 0;
1010}
1011
Helmut Schaae7836192010-07-11 12:28:54 +02001012static const struct ieee80211_ops rt2800pci_mac80211_ops = {
1013 .tx = rt2x00mac_tx,
1014 .start = rt2x00mac_start,
1015 .stop = rt2x00mac_stop,
1016 .add_interface = rt2x00mac_add_interface,
1017 .remove_interface = rt2x00mac_remove_interface,
1018 .config = rt2x00mac_config,
1019 .configure_filter = rt2x00mac_configure_filter,
Helmut Schaae7836192010-07-11 12:28:54 +02001020 .set_key = rt2x00mac_set_key,
1021 .sw_scan_start = rt2x00mac_sw_scan_start,
1022 .sw_scan_complete = rt2x00mac_sw_scan_complete,
1023 .get_stats = rt2x00mac_get_stats,
1024 .get_tkip_seq = rt2800_get_tkip_seq,
1025 .set_rts_threshold = rt2800_set_rts_threshold,
1026 .bss_info_changed = rt2x00mac_bss_info_changed,
1027 .conf_tx = rt2800_conf_tx,
1028 .get_tsf = rt2800_get_tsf,
1029 .rfkill_poll = rt2x00mac_rfkill_poll,
1030 .ampdu_action = rt2800_ampdu_action,
Ivo van Doornf44df182010-11-04 20:40:11 +01001031 .flush = rt2x00mac_flush,
Helmut Schaa977206d2010-12-13 12:31:58 +01001032 .get_survey = rt2800_get_survey,
Ivo van Doorne7dee442011-04-18 15:34:41 +02001033 .get_ringparam = rt2x00mac_get_ringparam,
Helmut Schaae7836192010-07-11 12:28:54 +02001034};
1035
Ivo van Doorne7966432010-07-11 12:31:23 +02001036static const struct rt2800_ops rt2800pci_rt2800_ops = {
1037 .register_read = rt2x00pci_register_read,
1038 .register_read_lock = rt2x00pci_register_read, /* same for PCI */
1039 .register_write = rt2x00pci_register_write,
1040 .register_write_lock = rt2x00pci_register_write, /* same for PCI */
1041 .register_multiread = rt2x00pci_register_multiread,
1042 .register_multiwrite = rt2x00pci_register_multiwrite,
1043 .regbusy_read = rt2x00pci_regbusy_read,
1044 .drv_write_firmware = rt2800pci_write_firmware,
1045 .drv_init_registers = rt2800pci_init_registers,
Ivo van Doorn0c5879b2010-08-06 20:47:20 +02001046 .drv_get_txwi = rt2800pci_get_txwi,
Ivo van Doorne7966432010-07-11 12:31:23 +02001047};
1048
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001049static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = {
1050 .irq_handler = rt2800pci_interrupt,
Helmut Schaaa9d61e92011-01-30 13:18:38 +01001051 .txstatus_tasklet = rt2800pci_txstatus_tasklet,
1052 .pretbtt_tasklet = rt2800pci_pretbtt_tasklet,
1053 .tbtt_tasklet = rt2800pci_tbtt_tasklet,
1054 .rxdone_tasklet = rt2800pci_rxdone_tasklet,
1055 .autowake_tasklet = rt2800pci_autowake_tasklet,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001056 .probe_hw = rt2800pci_probe_hw,
1057 .get_firmware_name = rt2800pci_get_firmware_name,
Ivo van Doornf31c9a82010-07-11 12:30:37 +02001058 .check_firmware = rt2800_check_firmware,
1059 .load_firmware = rt2800_load_firmware,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001060 .initialize = rt2x00pci_initialize,
1061 .uninitialize = rt2x00pci_uninitialize,
1062 .get_entry_state = rt2800pci_get_entry_state,
1063 .clear_entry = rt2800pci_clear_entry,
1064 .set_device_state = rt2800pci_set_device_state,
Bartlomiej Zolnierkiewiczf4450612009-11-04 18:36:40 +01001065 .rfkill_poll = rt2800_rfkill_poll,
1066 .link_stats = rt2800_link_stats,
1067 .reset_tuner = rt2800_reset_tuner,
1068 .link_tuner = rt2800_link_tuner,
Helmut Schaa9e33a352011-03-28 13:33:40 +02001069 .gain_calibration = rt2800_gain_calibration,
Ivo van Doorndbba3062010-12-13 12:34:54 +01001070 .start_queue = rt2800pci_start_queue,
1071 .kick_queue = rt2800pci_kick_queue,
1072 .stop_queue = rt2800pci_stop_queue,
Ivo van Doorn152a5992011-04-18 15:31:02 +02001073 .flush_queue = rt2x00pci_flush_queue,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001074 .write_tx_desc = rt2800pci_write_tx_desc,
Ivo van Doorn0c5879b2010-08-06 20:47:20 +02001075 .write_tx_data = rt2800_write_tx_data,
Gertjan van Wingerdef0194b22010-06-03 10:51:53 +02001076 .write_beacon = rt2800_write_beacon,
Helmut Schaa69cf36a2011-01-30 13:16:03 +01001077 .clear_beacon = rt2800_clear_beacon,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001078 .fill_rxdone = rt2800pci_fill_rxdone,
Bartlomiej Zolnierkiewiczf4450612009-11-04 18:36:40 +01001079 .config_shared_key = rt2800_config_shared_key,
1080 .config_pairwise_key = rt2800_config_pairwise_key,
1081 .config_filter = rt2800_config_filter,
1082 .config_intf = rt2800_config_intf,
1083 .config_erp = rt2800_config_erp,
1084 .config_ant = rt2800_config_ant,
1085 .config = rt2800_config,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001086};
1087
1088static const struct data_queue_desc rt2800pci_queue_rx = {
Helmut Schaaefd2f272010-11-04 20:37:22 +01001089 .entry_num = 128,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001090 .data_size = AGGREGATION_SIZE,
1091 .desc_size = RXD_DESC_SIZE,
1092 .priv_size = sizeof(struct queue_entry_priv_pci),
1093};
1094
1095static const struct data_queue_desc rt2800pci_queue_tx = {
Helmut Schaaefd2f272010-11-04 20:37:22 +01001096 .entry_num = 64,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001097 .data_size = AGGREGATION_SIZE,
1098 .desc_size = TXD_DESC_SIZE,
1099 .priv_size = sizeof(struct queue_entry_priv_pci),
1100};
1101
1102static const struct data_queue_desc rt2800pci_queue_bcn = {
Helmut Schaaefd2f272010-11-04 20:37:22 +01001103 .entry_num = 8,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001104 .data_size = 0, /* No DMA required for beacons */
1105 .desc_size = TXWI_DESC_SIZE,
1106 .priv_size = sizeof(struct queue_entry_priv_pci),
1107};
1108
1109static const struct rt2x00_ops rt2800pci_ops = {
Gertjan van Wingerde04d03622009-11-23 22:44:51 +01001110 .name = KBUILD_MODNAME,
1111 .max_sta_intf = 1,
1112 .max_ap_intf = 8,
1113 .eeprom_size = EEPROM_SIZE,
1114 .rf_size = RF_SIZE,
1115 .tx_queues = NUM_TX_QUEUES,
Gertjan van Wingerdee6218cc2009-11-23 22:44:52 +01001116 .extra_tx_headroom = TXWI_DESC_SIZE,
Gertjan van Wingerde04d03622009-11-23 22:44:51 +01001117 .rx = &rt2800pci_queue_rx,
1118 .tx = &rt2800pci_queue_tx,
1119 .bcn = &rt2800pci_queue_bcn,
1120 .lib = &rt2800pci_rt2x00_ops,
Ivo van Doorne7966432010-07-11 12:31:23 +02001121 .drv = &rt2800pci_rt2800_ops,
Helmut Schaae7836192010-07-11 12:28:54 +02001122 .hw = &rt2800pci_mac80211_ops,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001123#ifdef CONFIG_RT2X00_LIB_DEBUGFS
Gertjan van Wingerde04d03622009-11-23 22:44:51 +01001124 .debugfs = &rt2800_rt2x00debug,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001125#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1126};
1127
1128/*
1129 * RT2800pci module information.
1130 */
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001131#ifdef CONFIG_PCI
Alexey Dobriyana3aa1882010-01-07 11:58:11 +00001132static DEFINE_PCI_DEVICE_TABLE(rt2800pci_device_table) = {
Gertjan van Wingerdee01ae272011-04-18 15:32:13 +02001133 { PCI_DEVICE(0x1814, 0x0601) },
1134 { PCI_DEVICE(0x1814, 0x0681) },
1135 { PCI_DEVICE(0x1814, 0x0701) },
1136 { PCI_DEVICE(0x1814, 0x0781) },
1137 { PCI_DEVICE(0x1814, 0x3090) },
1138 { PCI_DEVICE(0x1814, 0x3091) },
1139 { PCI_DEVICE(0x1814, 0x3092) },
1140 { PCI_DEVICE(0x1432, 0x7708) },
1141 { PCI_DEVICE(0x1432, 0x7727) },
1142 { PCI_DEVICE(0x1432, 0x7728) },
1143 { PCI_DEVICE(0x1432, 0x7738) },
1144 { PCI_DEVICE(0x1432, 0x7748) },
1145 { PCI_DEVICE(0x1432, 0x7758) },
1146 { PCI_DEVICE(0x1432, 0x7768) },
1147 { PCI_DEVICE(0x1462, 0x891a) },
1148 { PCI_DEVICE(0x1a3b, 0x1059) },
Gertjan van Wingerdef93bc9b2010-11-13 19:09:50 +01001149#ifdef CONFIG_RT2800PCI_RT33XX
Gertjan van Wingerdee01ae272011-04-18 15:32:13 +02001150 { PCI_DEVICE(0x1814, 0x3390) },
Gertjan van Wingerdef93bc9b2010-11-13 19:09:50 +01001151#endif
Gertjan van Wingerdede1ebdc2010-02-14 12:52:05 +01001152#ifdef CONFIG_RT2800PCI_RT35XX
Gertjan van Wingerdee01ae272011-04-18 15:32:13 +02001153 { PCI_DEVICE(0x1432, 0x7711) },
1154 { PCI_DEVICE(0x1432, 0x7722) },
1155 { PCI_DEVICE(0x1814, 0x3060) },
1156 { PCI_DEVICE(0x1814, 0x3062) },
1157 { PCI_DEVICE(0x1814, 0x3562) },
1158 { PCI_DEVICE(0x1814, 0x3592) },
1159 { PCI_DEVICE(0x1814, 0x3593) },
Gertjan van Wingerdede1ebdc2010-02-14 12:52:05 +01001160#endif
RA-Shiang Tu60687ba2011-02-20 13:57:46 +01001161#ifdef CONFIG_RT2800PCI_RT53XX
Gertjan van Wingerdee01ae272011-04-18 15:32:13 +02001162 { PCI_DEVICE(0x1814, 0x5390) },
RA-Shiang Tu60687ba2011-02-20 13:57:46 +01001163#endif
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001164 { 0, }
1165};
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001166#endif /* CONFIG_PCI */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001167
1168MODULE_AUTHOR(DRV_PROJECT);
1169MODULE_VERSION(DRV_VERSION);
1170MODULE_DESCRIPTION("Ralink RT2800 PCI & PCMCIA Wireless LAN driver.");
1171MODULE_SUPPORTED_DEVICE("Ralink RT2860 PCI & PCMCIA chipset based cards");
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001172#ifdef CONFIG_PCI
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001173MODULE_FIRMWARE(FIRMWARE_RT2860);
1174MODULE_DEVICE_TABLE(pci, rt2800pci_device_table);
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001175#endif /* CONFIG_PCI */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001176MODULE_LICENSE("GPL");
1177
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001178#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X)
Gertjan van Wingerde714fa662010-02-13 20:55:48 +01001179static int rt2800soc_probe(struct platform_device *pdev)
1180{
Helmut Schaa6e93d712010-03-02 16:34:49 +01001181 return rt2x00soc_probe(pdev, &rt2800pci_ops);
Gertjan van Wingerde714fa662010-02-13 20:55:48 +01001182}
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001183
1184static struct platform_driver rt2800soc_driver = {
1185 .driver = {
1186 .name = "rt2800_wmac",
1187 .owner = THIS_MODULE,
1188 .mod_name = KBUILD_MODNAME,
1189 },
Gertjan van Wingerde714fa662010-02-13 20:55:48 +01001190 .probe = rt2800soc_probe,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001191 .remove = __devexit_p(rt2x00soc_remove),
1192 .suspend = rt2x00soc_suspend,
1193 .resume = rt2x00soc_resume,
1194};
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001195#endif /* CONFIG_RALINK_RT288X || CONFIG_RALINK_RT305X */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001196
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001197#ifdef CONFIG_PCI
Gertjan van Wingerdee01ae272011-04-18 15:32:13 +02001198static int rt2800pci_probe(struct pci_dev *pci_dev,
1199 const struct pci_device_id *id)
1200{
1201 return rt2x00pci_probe(pci_dev, &rt2800pci_ops);
1202}
1203
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001204static struct pci_driver rt2800pci_driver = {
1205 .name = KBUILD_MODNAME,
1206 .id_table = rt2800pci_device_table,
Gertjan van Wingerdee01ae272011-04-18 15:32:13 +02001207 .probe = rt2800pci_probe,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001208 .remove = __devexit_p(rt2x00pci_remove),
1209 .suspend = rt2x00pci_suspend,
1210 .resume = rt2x00pci_resume,
1211};
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001212#endif /* CONFIG_PCI */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001213
1214static int __init rt2800pci_init(void)
1215{
1216 int ret = 0;
1217
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001218#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001219 ret = platform_driver_register(&rt2800soc_driver);
1220 if (ret)
1221 return ret;
1222#endif
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001223#ifdef CONFIG_PCI
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001224 ret = pci_register_driver(&rt2800pci_driver);
1225 if (ret) {
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001226#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001227 platform_driver_unregister(&rt2800soc_driver);
1228#endif
1229 return ret;
1230 }
1231#endif
1232
1233 return ret;
1234}
1235
1236static void __exit rt2800pci_exit(void)
1237{
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001238#ifdef CONFIG_PCI
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001239 pci_unregister_driver(&rt2800pci_driver);
1240#endif
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001241#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001242 platform_driver_unregister(&rt2800soc_driver);
1243#endif
1244}
1245
1246module_init(rt2800pci_init);
1247module_exit(rt2800pci_exit);