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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 */
Rusty Russelleb939922011-12-19 14:08:01 +000053static bool modparam_nohwcrypt = false;
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 Schaa9a819992011-04-18 15:34:01 +0200203 rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100204 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
205 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
206 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200207 rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg);
Helmut Schaa69cf36a2011-01-30 13:16:03 +0100208
Helmut Schaa9a819992011-04-18 15:34:01 +0200209 rt2x00pci_register_read(rt2x00dev, INT_TIMER_EN, &reg);
Helmut Schaa69cf36a2011-01-30 13:16:03 +0100210 rt2x00_set_field32(&reg, INT_TIMER_EN_PRE_TBTT_TIMER, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200211 rt2x00pci_register_write(rt2x00dev, INT_TIMER_EN, reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100212 break;
213 default:
214 break;
Joe Perches6403eab2011-06-03 11:51:20 +0000215 }
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100216}
217
218static void rt2800pci_kick_queue(struct data_queue *queue)
219{
220 struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
221 struct queue_entry *entry;
222
223 switch (queue->qid) {
Ivo van Doornf615e9a2010-12-13 12:36:38 +0100224 case QID_AC_VO:
225 case QID_AC_VI:
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100226 case QID_AC_BE:
227 case QID_AC_BK:
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100228 entry = rt2x00queue_get_entry(queue, Q_INDEX);
Helmut Schaa9a819992011-04-18 15:34:01 +0200229 rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX(queue->qid),
230 entry->entry_idx);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100231 break;
232 case QID_MGMT:
233 entry = rt2x00queue_get_entry(queue, Q_INDEX);
Helmut Schaa9a819992011-04-18 15:34:01 +0200234 rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX(5),
235 entry->entry_idx);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100236 break;
237 default:
238 break;
239 }
240}
241
242static void rt2800pci_stop_queue(struct data_queue *queue)
243{
244 struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
245 u32 reg;
246
247 switch (queue->qid) {
248 case QID_RX:
Helmut Schaa9a819992011-04-18 15:34:01 +0200249 rt2x00pci_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100250 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
Helmut Schaa9a819992011-04-18 15:34:01 +0200251 rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100252 break;
253 case QID_BEACON:
Helmut Schaa9a819992011-04-18 15:34:01 +0200254 rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100255 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
256 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
257 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
Helmut Schaa9a819992011-04-18 15:34:01 +0200258 rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg);
Helmut Schaa69cf36a2011-01-30 13:16:03 +0100259
Helmut Schaa9a819992011-04-18 15:34:01 +0200260 rt2x00pci_register_read(rt2x00dev, INT_TIMER_EN, &reg);
Helmut Schaa69cf36a2011-01-30 13:16:03 +0100261 rt2x00_set_field32(&reg, INT_TIMER_EN_PRE_TBTT_TIMER, 0);
Helmut Schaa9a819992011-04-18 15:34:01 +0200262 rt2x00pci_register_write(rt2x00dev, INT_TIMER_EN, reg);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100263
264 /*
Helmut Schaaabc11992011-08-06 13:13:48 +0200265 * Wait for current invocation to finish. The tasklet
266 * won't be scheduled anymore afterwards since we disabled
267 * the TBTT and PRE TBTT timer.
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100268 */
Helmut Schaaabc11992011-08-06 13:13:48 +0200269 tasklet_kill(&rt2x00dev->tbtt_tasklet);
270 tasklet_kill(&rt2x00dev->pretbtt_tasklet);
271
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100272 break;
273 default:
274 break;
275 }
276}
277
278/*
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200279 * Firmware functions
280 */
281static char *rt2800pci_get_firmware_name(struct rt2x00_dev *rt2x00dev)
282{
283 return FIRMWARE_RT2860;
284}
285
Ivo van Doornf31c9a82010-07-11 12:30:37 +0200286static int rt2800pci_write_firmware(struct rt2x00_dev *rt2x00dev,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200287 const u8 *data, const size_t len)
288{
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200289 u32 reg;
290
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200291 /*
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200292 * enable Host program ram write selection
293 */
294 reg = 0;
295 rt2x00_set_field32(&reg, PBF_SYS_CTRL_HOST_RAM_WRITE, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200296 rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, reg);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200297
298 /*
299 * Write firmware to device.
300 */
Ivo van Doornd4c838e2011-04-30 17:14:49 +0200301 rt2x00pci_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
302 data, len);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200303
Helmut Schaa9a819992011-04-18 15:34:01 +0200304 rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000);
305 rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200306
Helmut Schaa9a819992011-04-18 15:34:01 +0200307 rt2x00pci_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
308 rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200309
310 return 0;
311}
312
313/*
314 * Initialization functions.
315 */
316static bool rt2800pci_get_entry_state(struct queue_entry *entry)
317{
318 struct queue_entry_priv_pci *entry_priv = entry->priv_data;
319 u32 word;
320
321 if (entry->queue->qid == QID_RX) {
322 rt2x00_desc_read(entry_priv->desc, 1, &word);
323
324 return (!rt2x00_get_field32(word, RXD_W1_DMA_DONE));
325 } else {
326 rt2x00_desc_read(entry_priv->desc, 1, &word);
327
328 return (!rt2x00_get_field32(word, TXD_W1_DMA_DONE));
329 }
330}
331
332static void rt2800pci_clear_entry(struct queue_entry *entry)
333{
334 struct queue_entry_priv_pci *entry_priv = entry->priv_data;
335 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
Helmut Schaa95192332010-10-02 11:29:30 +0200336 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200337 u32 word;
338
339 if (entry->queue->qid == QID_RX) {
340 rt2x00_desc_read(entry_priv->desc, 0, &word);
341 rt2x00_set_field32(&word, RXD_W0_SDP0, skbdesc->skb_dma);
342 rt2x00_desc_write(entry_priv->desc, 0, word);
343
344 rt2x00_desc_read(entry_priv->desc, 1, &word);
345 rt2x00_set_field32(&word, RXD_W1_DMA_DONE, 0);
346 rt2x00_desc_write(entry_priv->desc, 1, word);
Helmut Schaa95192332010-10-02 11:29:30 +0200347
348 /*
349 * Set RX IDX in register to inform hardware that we have
350 * handled this entry and it is available for reuse again.
351 */
Helmut Schaa9a819992011-04-18 15:34:01 +0200352 rt2x00pci_register_write(rt2x00dev, RX_CRX_IDX,
Helmut Schaa95192332010-10-02 11:29:30 +0200353 entry->entry_idx);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200354 } else {
355 rt2x00_desc_read(entry_priv->desc, 1, &word);
356 rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 1);
357 rt2x00_desc_write(entry_priv->desc, 1, word);
358 }
359}
360
361static int rt2800pci_init_queues(struct rt2x00_dev *rt2x00dev)
362{
363 struct queue_entry_priv_pci *entry_priv;
364 u32 reg;
365
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200366 /*
367 * Initialize registers.
368 */
369 entry_priv = rt2x00dev->tx[0].entries[0].priv_data;
Helmut Schaa9a819992011-04-18 15:34:01 +0200370 rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR0, entry_priv->desc_dma);
371 rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT0,
372 rt2x00dev->tx[0].limit);
373 rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX0, 0);
374 rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX0, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200375
376 entry_priv = rt2x00dev->tx[1].entries[0].priv_data;
Helmut Schaa9a819992011-04-18 15:34:01 +0200377 rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR1, entry_priv->desc_dma);
378 rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT1,
379 rt2x00dev->tx[1].limit);
380 rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX1, 0);
381 rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX1, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200382
383 entry_priv = rt2x00dev->tx[2].entries[0].priv_data;
Helmut Schaa9a819992011-04-18 15:34:01 +0200384 rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR2, entry_priv->desc_dma);
385 rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT2,
386 rt2x00dev->tx[2].limit);
387 rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX2, 0);
388 rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX2, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200389
390 entry_priv = rt2x00dev->tx[3].entries[0].priv_data;
Helmut Schaa9a819992011-04-18 15:34:01 +0200391 rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR3, entry_priv->desc_dma);
392 rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT3,
393 rt2x00dev->tx[3].limit);
394 rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX3, 0);
395 rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX3, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200396
397 entry_priv = rt2x00dev->rx->entries[0].priv_data;
Helmut Schaa9a819992011-04-18 15:34:01 +0200398 rt2x00pci_register_write(rt2x00dev, RX_BASE_PTR, entry_priv->desc_dma);
399 rt2x00pci_register_write(rt2x00dev, RX_MAX_CNT,
400 rt2x00dev->rx[0].limit);
401 rt2x00pci_register_write(rt2x00dev, RX_CRX_IDX,
402 rt2x00dev->rx[0].limit - 1);
403 rt2x00pci_register_write(rt2x00dev, RX_DRX_IDX, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200404
405 /*
406 * Enable global DMA configuration
407 */
Helmut Schaa9a819992011-04-18 15:34:01 +0200408 rt2x00pci_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200409 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
410 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
411 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200412 rt2x00pci_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200413
Helmut Schaa9a819992011-04-18 15:34:01 +0200414 rt2x00pci_register_write(rt2x00dev, DELAY_INT_CFG, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200415
416 return 0;
417}
418
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200419/*
420 * Device state switch handlers.
421 */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200422static void rt2800pci_toggle_irq(struct rt2x00_dev *rt2x00dev,
423 enum dev_state state)
424{
Helmut Schaab5509112011-01-30 13:20:52 +0100425 int mask = (state == STATE_RADIO_IRQ_ON);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200426 u32 reg;
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100427 unsigned long flags;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200428
429 /*
430 * When interrupts are being enabled, the interrupt registers
431 * should clear the register to assure a clean state.
432 */
433 if (state == STATE_RADIO_IRQ_ON) {
Helmut Schaa9a819992011-04-18 15:34:01 +0200434 rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, &reg);
435 rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100436 }
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200437
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100438 spin_lock_irqsave(&rt2x00dev->irqmask_lock, flags);
Helmut Schaa9a819992011-04-18 15:34:01 +0200439 rt2x00pci_register_read(rt2x00dev, INT_MASK_CSR, &reg);
Helmut Schaa93149cf2010-09-08 20:56:52 +0200440 rt2x00_set_field32(&reg, INT_MASK_CSR_RXDELAYINT, 0);
441 rt2x00_set_field32(&reg, INT_MASK_CSR_TXDELAYINT, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200442 rt2x00_set_field32(&reg, INT_MASK_CSR_RX_DONE, mask);
Helmut Schaa93149cf2010-09-08 20:56:52 +0200443 rt2x00_set_field32(&reg, INT_MASK_CSR_AC0_DMA_DONE, 0);
444 rt2x00_set_field32(&reg, INT_MASK_CSR_AC1_DMA_DONE, 0);
445 rt2x00_set_field32(&reg, INT_MASK_CSR_AC2_DMA_DONE, 0);
446 rt2x00_set_field32(&reg, INT_MASK_CSR_AC3_DMA_DONE, 0);
447 rt2x00_set_field32(&reg, INT_MASK_CSR_HCCA_DMA_DONE, 0);
448 rt2x00_set_field32(&reg, INT_MASK_CSR_MGMT_DMA_DONE, 0);
449 rt2x00_set_field32(&reg, INT_MASK_CSR_MCU_COMMAND, 0);
450 rt2x00_set_field32(&reg, INT_MASK_CSR_RXTX_COHERENT, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200451 rt2x00_set_field32(&reg, INT_MASK_CSR_TBTT, mask);
452 rt2x00_set_field32(&reg, INT_MASK_CSR_PRE_TBTT, mask);
453 rt2x00_set_field32(&reg, INT_MASK_CSR_TX_FIFO_STATUS, mask);
454 rt2x00_set_field32(&reg, INT_MASK_CSR_AUTO_WAKEUP, mask);
Helmut Schaa93149cf2010-09-08 20:56:52 +0200455 rt2x00_set_field32(&reg, INT_MASK_CSR_GPTIMER, 0);
456 rt2x00_set_field32(&reg, INT_MASK_CSR_RX_COHERENT, 0);
457 rt2x00_set_field32(&reg, INT_MASK_CSR_TX_COHERENT, 0);
Helmut Schaa9a819992011-04-18 15:34:01 +0200458 rt2x00pci_register_write(rt2x00dev, INT_MASK_CSR, reg);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100459 spin_unlock_irqrestore(&rt2x00dev->irqmask_lock, flags);
460
461 if (state == STATE_RADIO_IRQ_OFF) {
462 /*
Helmut Schaaabc11992011-08-06 13:13:48 +0200463 * Wait for possibly running tasklets to finish.
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100464 */
Helmut Schaaabc11992011-08-06 13:13:48 +0200465 tasklet_kill(&rt2x00dev->txstatus_tasklet);
466 tasklet_kill(&rt2x00dev->rxdone_tasklet);
467 tasklet_kill(&rt2x00dev->autowake_tasklet);
468 tasklet_kill(&rt2x00dev->tbtt_tasklet);
469 tasklet_kill(&rt2x00dev->pretbtt_tasklet);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100470 }
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200471}
472
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200473static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev)
474{
475 u32 reg;
476
477 /*
478 * Reset DMA indexes
479 */
Helmut Schaa9a819992011-04-18 15:34:01 +0200480 rt2x00pci_register_read(rt2x00dev, WPDMA_RST_IDX, &reg);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200481 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX0, 1);
482 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX1, 1);
483 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX2, 1);
484 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX3, 1);
485 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX4, 1);
486 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX5, 1);
487 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DRX_IDX0, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200488 rt2x00pci_register_write(rt2x00dev, WPDMA_RST_IDX, reg);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200489
Helmut Schaa9a819992011-04-18 15:34:01 +0200490 rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f);
491 rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200492
Gertjan van Wingerde872834d2011-05-18 20:25:31 +0200493 if (rt2x00_is_pcie(rt2x00dev) &&
494 (rt2x00_rt(rt2x00dev, RT3572) ||
495 rt2x00_rt(rt2x00dev, RT5390))) {
Helmut Schaa9a819992011-04-18 15:34:01 +0200496 rt2x00pci_register_read(rt2x00dev, AUX_CTRL, &reg);
Gabor Juhosadde5882011-03-03 11:46:45 +0100497 rt2x00_set_field32(&reg, AUX_CTRL_FORCE_PCIE_CLK, 1);
498 rt2x00_set_field32(&reg, AUX_CTRL_WAKE_PCIE_EN, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200499 rt2x00pci_register_write(rt2x00dev, AUX_CTRL, reg);
Gabor Juhosadde5882011-03-03 11:46:45 +0100500 }
RA-Shiang Tu60687ba2011-02-20 13:57:46 +0100501
Helmut Schaa9a819992011-04-18 15:34:01 +0200502 rt2x00pci_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200503
Helmut Schaa9a819992011-04-18 15:34:01 +0200504 rt2x00pci_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200505 rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
506 rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200507 rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200508
Helmut Schaa9a819992011-04-18 15:34:01 +0200509 rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200510
511 return 0;
512}
513
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200514static int rt2800pci_enable_radio(struct rt2x00_dev *rt2x00dev)
515{
Gertjan van Wingerde67a4c1e2009-12-30 11:36:32 +0100516 if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) ||
Ivo van Doornb9a07ae2010-08-23 19:55:22 +0200517 rt2800pci_init_queues(rt2x00dev)))
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200518 return -EIO;
519
Ivo van Doornb9a07ae2010-08-23 19:55:22 +0200520 return rt2800_enable_radio(rt2x00dev);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200521}
522
523static void rt2800pci_disable_radio(struct rt2x00_dev *rt2x00dev)
524{
RA-Jay Hung7f6e1442011-01-10 11:27:43 +0100525 if (rt2x00_is_soc(rt2x00dev)) {
526 rt2800_disable_radio(rt2x00dev);
Helmut Schaa9a819992011-04-18 15:34:01 +0200527 rt2x00pci_register_write(rt2x00dev, PWR_PIN_CFG, 0);
528 rt2x00pci_register_write(rt2x00dev, TX_PIN_CFG, 0);
RA-Jay Hung7f6e1442011-01-10 11:27:43 +0100529 }
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200530}
531
532static int rt2800pci_set_state(struct rt2x00_dev *rt2x00dev,
533 enum dev_state state)
534{
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200535 if (state == STATE_AWAKE) {
RA-Jay Hung7f6e1442011-01-10 11:27:43 +0100536 rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKUP, 0, 0x02);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200537 rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKUP);
RA-Jay Hung7f6e1442011-01-10 11:27:43 +0100538 } else if (state == STATE_SLEEP) {
Helmut Schaa9a819992011-04-18 15:34:01 +0200539 rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_STATUS,
540 0xffffffff);
541 rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CID,
542 0xffffffff);
RA-Jay Hung7f6e1442011-01-10 11:27:43 +0100543 rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0x01, 0xff, 0x01);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200544 }
545
546 return 0;
547}
548
549static int rt2800pci_set_device_state(struct rt2x00_dev *rt2x00dev,
550 enum dev_state state)
551{
552 int retval = 0;
553
554 switch (state) {
555 case STATE_RADIO_ON:
556 /*
557 * Before the radio can be enabled, the device first has
558 * to be woken up. After that it needs a bit of time
559 * to be fully awake and then the radio can be enabled.
560 */
561 rt2800pci_set_state(rt2x00dev, STATE_AWAKE);
562 msleep(1);
563 retval = rt2800pci_enable_radio(rt2x00dev);
564 break;
565 case STATE_RADIO_OFF:
566 /*
567 * After the radio has been disabled, the device should
568 * be put to sleep for powersaving.
569 */
570 rt2800pci_disable_radio(rt2x00dev);
571 rt2800pci_set_state(rt2x00dev, STATE_SLEEP);
572 break;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200573 case STATE_RADIO_IRQ_ON:
574 case STATE_RADIO_IRQ_OFF:
575 rt2800pci_toggle_irq(rt2x00dev, state);
576 break;
577 case STATE_DEEP_SLEEP:
578 case STATE_SLEEP:
579 case STATE_STANDBY:
580 case STATE_AWAKE:
581 retval = rt2800pci_set_state(rt2x00dev, state);
582 break;
583 default:
584 retval = -ENOTSUPP;
585 break;
586 }
587
588 if (unlikely(retval))
589 ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
590 state, retval);
591
592 return retval;
593}
594
595/*
596 * TX descriptor initialization
597 */
Ivo van Doorn0c5879b2010-08-06 20:47:20 +0200598static __le32 *rt2800pci_get_txwi(struct queue_entry *entry)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200599{
Ivo van Doorn0c5879b2010-08-06 20:47:20 +0200600 return (__le32 *) entry->skb->data;
Helmut Schaa745b1ae2010-04-15 09:13:35 +0200601}
602
Ivo van Doorn93331452010-08-23 19:53:39 +0200603static void rt2800pci_write_tx_desc(struct queue_entry *entry,
Helmut Schaa745b1ae2010-04-15 09:13:35 +0200604 struct txentry_desc *txdesc)
605{
Ivo van Doorn93331452010-08-23 19:53:39 +0200606 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
607 struct queue_entry_priv_pci *entry_priv = entry->priv_data;
Gertjan van Wingerde85b7a8b2010-05-11 23:51:40 +0200608 __le32 *txd = entry_priv->desc;
Helmut Schaa745b1ae2010-04-15 09:13:35 +0200609 u32 word;
610
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200611 /*
612 * The buffers pointed by SD_PTR0/SD_LEN0 and SD_PTR1/SD_LEN1
613 * must contains a TXWI structure + 802.11 header + padding + 802.11
614 * data. We choose to have SD_PTR0/SD_LEN0 only contains TXWI and
615 * SD_PTR1/SD_LEN1 contains 802.11 header + padding + 802.11
616 * data. It means that LAST_SEC0 is always 0.
617 */
618
619 /*
620 * Initialize TX descriptor
621 */
Helmut Schaa3de3d962011-09-07 20:11:26 +0200622 word = 0;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200623 rt2x00_set_field32(&word, TXD_W0_SD_PTR0, skbdesc->skb_dma);
624 rt2x00_desc_write(txd, 0, word);
625
Helmut Schaa3de3d962011-09-07 20:11:26 +0200626 word = 0;
Ivo van Doorn93331452010-08-23 19:53:39 +0200627 rt2x00_set_field32(&word, TXD_W1_SD_LEN1, entry->skb->len);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200628 rt2x00_set_field32(&word, TXD_W1_LAST_SEC1,
629 !test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
630 rt2x00_set_field32(&word, TXD_W1_BURST,
631 test_bit(ENTRY_TXD_BURST, &txdesc->flags));
Gertjan van Wingerde85b7a8b2010-05-11 23:51:40 +0200632 rt2x00_set_field32(&word, TXD_W1_SD_LEN0, TXWI_DESC_SIZE);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200633 rt2x00_set_field32(&word, TXD_W1_LAST_SEC0, 0);
634 rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 0);
635 rt2x00_desc_write(txd, 1, word);
636
Helmut Schaa3de3d962011-09-07 20:11:26 +0200637 word = 0;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200638 rt2x00_set_field32(&word, TXD_W2_SD_PTR1,
Gertjan van Wingerde85b7a8b2010-05-11 23:51:40 +0200639 skbdesc->skb_dma + TXWI_DESC_SIZE);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200640 rt2x00_desc_write(txd, 2, word);
641
Helmut Schaa3de3d962011-09-07 20:11:26 +0200642 word = 0;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200643 rt2x00_set_field32(&word, TXD_W3_WIV,
644 !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
645 rt2x00_set_field32(&word, TXD_W3_QSEL, 2);
646 rt2x00_desc_write(txd, 3, word);
Gertjan van Wingerde85b7a8b2010-05-11 23:51:40 +0200647
648 /*
649 * Register descriptor details in skb frame descriptor.
650 */
651 skbdesc->desc = txd;
652 skbdesc->desc_len = TXD_DESC_SIZE;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200653}
654
655/*
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200656 * RX control handlers
657 */
658static void rt2800pci_fill_rxdone(struct queue_entry *entry,
659 struct rxdone_entry_desc *rxdesc)
660{
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200661 struct queue_entry_priv_pci *entry_priv = entry->priv_data;
662 __le32 *rxd = entry_priv->desc;
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200663 u32 word;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200664
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200665 rt2x00_desc_read(rxd, 3, &word);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200666
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200667 if (rt2x00_get_field32(word, RXD_W3_CRC_ERROR))
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200668 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
669
Gertjan van Wingerde78b8f3b2010-05-08 23:40:20 +0200670 /*
671 * Unfortunately we don't know the cipher type used during
672 * decryption. This prevents us from correct providing
673 * correct statistics through debugfs.
674 */
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200675 rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W3_CIPHER_ERROR);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200676
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200677 if (rt2x00_get_field32(word, RXD_W3_DECRYPTED)) {
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200678 /*
679 * Hardware has stripped IV/EIV data from 802.11 frame during
680 * decryption. Unfortunately the descriptor doesn't contain
681 * any fields with the EIV/IV data either, so they can't
682 * be restored by rt2x00lib.
683 */
684 rxdesc->flags |= RX_FLAG_IV_STRIPPED;
685
Gertjan van Wingerdea45f3692011-01-30 13:22:41 +0100686 /*
687 * The hardware has already checked the Michael Mic and has
688 * stripped it from the frame. Signal this to mac80211.
689 */
690 rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
691
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200692 if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
693 rxdesc->flags |= RX_FLAG_DECRYPTED;
694 else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
695 rxdesc->flags |= RX_FLAG_MMIC_ERROR;
696 }
697
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200698 if (rt2x00_get_field32(word, RXD_W3_MY_BSS))
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200699 rxdesc->dev_flags |= RXDONE_MY_BSS;
700
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200701 if (rt2x00_get_field32(word, RXD_W3_L2PAD))
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200702 rxdesc->dev_flags |= RXDONE_L2PAD;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200703
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200704 /*
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200705 * Process the RXWI structure that is at the start of the buffer.
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200706 */
Ivo van Doorn74861922010-07-11 12:23:50 +0200707 rt2800_process_rxwi(entry, rxdesc);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200708}
709
710/*
711 * Interrupt functions.
712 */
Gertjan van Wingerde4d66edc2010-03-30 23:50:26 +0200713static void rt2800pci_wakeup(struct rt2x00_dev *rt2x00dev)
714{
715 struct ieee80211_conf conf = { .flags = 0 };
716 struct rt2x00lib_conf libconf = { .conf = &conf };
717
718 rt2800_config(rt2x00dev, &libconf, IEEE80211_CONF_CHANGE_PS);
719}
720
Helmut Schaa2e7798b2011-03-28 13:30:09 +0200721static bool rt2800pci_txdone(struct rt2x00_dev *rt2x00dev)
Helmut Schaa96c3da72010-10-02 11:27:35 +0200722{
723 struct data_queue *queue;
724 struct queue_entry *entry;
725 u32 status;
726 u8 qid;
Helmut Schaa2e7798b2011-03-28 13:30:09 +0200727 int max_tx_done = 16;
Helmut Schaa96c3da72010-10-02 11:27:35 +0200728
Johannes Stezenbachc4d63242010-12-27 15:04:29 +0100729 while (kfifo_get(&rt2x00dev->txstatus_fifo, &status)) {
Helmut Schaa12eec2c2010-10-09 13:35:48 +0200730 qid = rt2x00_get_field32(status, TX_STA_FIFO_PID_QUEUE);
Helmut Schaa87443e82011-03-03 19:39:27 +0100731 if (unlikely(qid >= QID_RX)) {
Helmut Schaa96c3da72010-10-02 11:27:35 +0200732 /*
733 * Unknown queue, this shouldn't happen. Just drop
734 * this tx status.
735 */
736 WARNING(rt2x00dev, "Got TX status report with "
Johannes Stezenbach094a1d92010-12-13 12:34:00 +0100737 "unexpected pid %u, dropping\n", qid);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200738 break;
739 }
740
Helmut Schaa11f818e2011-03-03 19:38:55 +0100741 queue = rt2x00queue_get_tx_queue(rt2x00dev, qid);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200742 if (unlikely(queue == NULL)) {
743 /*
744 * The queue is NULL, this shouldn't happen. Stop
745 * processing here and drop the tx status
746 */
747 WARNING(rt2x00dev, "Got TX status for an unavailable "
Johannes Stezenbach094a1d92010-12-13 12:34:00 +0100748 "queue %u, dropping\n", qid);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200749 break;
750 }
751
Helmut Schaa87443e82011-03-03 19:39:27 +0100752 if (unlikely(rt2x00queue_empty(queue))) {
Helmut Schaa96c3da72010-10-02 11:27:35 +0200753 /*
754 * The queue is empty. Stop processing here
755 * and drop the tx status.
756 */
757 WARNING(rt2x00dev, "Got TX status for an empty "
Johannes Stezenbach094a1d92010-12-13 12:34:00 +0100758 "queue %u, dropping\n", qid);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200759 break;
760 }
761
762 entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
Helmut Schaa31937c42011-09-07 20:10:02 +0200763 rt2800_txdone_entry(entry, status, rt2800pci_get_txwi(entry));
Helmut Schaa2e7798b2011-03-28 13:30:09 +0200764
765 if (--max_tx_done == 0)
766 break;
Helmut Schaa96c3da72010-10-02 11:27:35 +0200767 }
Helmut Schaa2e7798b2011-03-28 13:30:09 +0200768
769 return !max_tx_done;
Helmut Schaa96c3da72010-10-02 11:27:35 +0200770}
771
Helmut Schaa7a5a6812011-04-18 15:31:31 +0200772static inline void rt2800pci_enable_interrupt(struct rt2x00_dev *rt2x00dev,
773 struct rt2x00_field32 irq_field)
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100774{
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100775 u32 reg;
776
777 /*
778 * Enable a single interrupt. The interrupt mask register
779 * access needs locking.
780 */
Helmut Schaa0aa13b22011-03-03 19:45:16 +0100781 spin_lock_irq(&rt2x00dev->irqmask_lock);
Helmut Schaa9a819992011-04-18 15:34:01 +0200782 rt2x00pci_register_read(rt2x00dev, INT_MASK_CSR, &reg);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100783 rt2x00_set_field32(&reg, irq_field, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200784 rt2x00pci_register_write(rt2x00dev, INT_MASK_CSR, reg);
Helmut Schaa0aa13b22011-03-03 19:45:16 +0100785 spin_unlock_irq(&rt2x00dev->irqmask_lock);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100786}
787
Helmut Schaa96c3da72010-10-02 11:27:35 +0200788static void rt2800pci_txstatus_tasklet(unsigned long data)
789{
Helmut Schaa2e7798b2011-03-28 13:30:09 +0200790 struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
791 if (rt2800pci_txdone(rt2x00dev))
792 tasklet_schedule(&rt2x00dev->txstatus_tasklet);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100793
794 /*
795 * No need to enable the tx status interrupt here as we always
796 * leave it enabled to minimize the possibility of a tx status
797 * register overflow. See comment in interrupt handler.
798 */
Helmut Schaa96c3da72010-10-02 11:27:35 +0200799}
800
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100801static void rt2800pci_pretbtt_tasklet(unsigned long data)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200802{
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100803 struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
804 rt2x00lib_pretbtt(rt2x00dev);
Helmut Schaaabc11992011-08-06 13:13:48 +0200805 if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
806 rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_PRE_TBTT);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100807}
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200808
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100809static void rt2800pci_tbtt_tasklet(unsigned long data)
810{
811 struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
812 rt2x00lib_beacondone(rt2x00dev);
Helmut Schaaabc11992011-08-06 13:13:48 +0200813 if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
814 rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_TBTT);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100815}
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200816
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100817static void rt2800pci_rxdone_tasklet(unsigned long data)
818{
819 struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
Helmut Schaa16638932011-03-28 13:29:44 +0200820 if (rt2x00pci_rxdone(rt2x00dev))
821 tasklet_schedule(&rt2x00dev->rxdone_tasklet);
Helmut Schaaabc11992011-08-06 13:13:48 +0200822 else if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
Helmut Schaa16638932011-03-28 13:29:44 +0200823 rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_RX_DONE);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100824}
Helmut Schaaad903192010-06-29 21:46:43 +0200825
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100826static void rt2800pci_autowake_tasklet(unsigned long data)
827{
828 struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
829 rt2800pci_wakeup(rt2x00dev);
Helmut Schaaabc11992011-08-06 13:13:48 +0200830 if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
831 rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_AUTO_WAKEUP);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200832}
833
Helmut Schaa96c3da72010-10-02 11:27:35 +0200834static void rt2800pci_txstatus_interrupt(struct rt2x00_dev *rt2x00dev)
835{
836 u32 status;
837 int i;
838
839 /*
840 * The TX_FIFO_STATUS interrupt needs special care. We should
841 * read TX_STA_FIFO but we should do it immediately as otherwise
842 * the register can overflow and we would lose status reports.
843 *
844 * Hence, read the TX_STA_FIFO register and copy all tx status
845 * reports into a kernel FIFO which is handled in the txstatus
846 * tasklet. We use a tasklet to process the tx status reports
847 * because we can schedule the tasklet multiple times (when the
848 * interrupt fires again during tx status processing).
849 *
850 * Furthermore we don't disable the TX_FIFO_STATUS
851 * interrupt here but leave it enabled so that the TX_STA_FIFO
Helmut Schaa3736fe52011-03-03 19:45:39 +0100852 * can also be read while the tx status tasklet gets executed.
Helmut Schaa96c3da72010-10-02 11:27:35 +0200853 *
854 * Since we have only one producer and one consumer we don't
855 * need to lock the kfifo.
856 */
Helmut Schaaefd2f272010-11-04 20:37:22 +0100857 for (i = 0; i < rt2x00dev->ops->tx->entry_num; i++) {
Helmut Schaa9a819992011-04-18 15:34:01 +0200858 rt2x00pci_register_read(rt2x00dev, TX_STA_FIFO, &status);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200859
860 if (!rt2x00_get_field32(status, TX_STA_FIFO_VALID))
861 break;
862
Johannes Stezenbachc4d63242010-12-27 15:04:29 +0100863 if (!kfifo_put(&rt2x00dev->txstatus_fifo, &status)) {
Helmut Schaa96c3da72010-10-02 11:27:35 +0200864 WARNING(rt2x00dev, "TX status FIFO overrun,"
865 "drop tx status report.\n");
866 break;
867 }
868 }
869
870 /* Schedule the tasklet for processing the tx status. */
871 tasklet_schedule(&rt2x00dev->txstatus_tasklet);
872}
873
Helmut Schaa78e256c2010-07-11 12:26:48 +0200874static irqreturn_t rt2800pci_interrupt(int irq, void *dev_instance)
875{
876 struct rt2x00_dev *rt2x00dev = dev_instance;
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100877 u32 reg, mask;
Helmut Schaa78e256c2010-07-11 12:26:48 +0200878
879 /* Read status and ACK all interrupts */
Helmut Schaa9a819992011-04-18 15:34:01 +0200880 rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, &reg);
881 rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
Helmut Schaa78e256c2010-07-11 12:26:48 +0200882
883 if (!reg)
884 return IRQ_NONE;
885
886 if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
887 return IRQ_HANDLED;
888
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100889 /*
890 * Since INT_MASK_CSR and INT_SOURCE_CSR use the same bits
891 * for interrupts and interrupt masks we can just use the value of
892 * INT_SOURCE_CSR to create the interrupt mask.
893 */
894 mask = ~reg;
895
896 if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TX_FIFO_STATUS)) {
Helmut Schaa96c3da72010-10-02 11:27:35 +0200897 rt2800pci_txstatus_interrupt(rt2x00dev);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200898 /*
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100899 * Never disable the TX_FIFO_STATUS interrupt.
Helmut Schaa96c3da72010-10-02 11:27:35 +0200900 */
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100901 rt2x00_set_field32(&mask, INT_MASK_CSR_TX_FIFO_STATUS, 1);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200902 }
903
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100904 if (rt2x00_get_field32(reg, INT_SOURCE_CSR_PRE_TBTT))
905 tasklet_hi_schedule(&rt2x00dev->pretbtt_tasklet);
906
907 if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TBTT))
908 tasklet_hi_schedule(&rt2x00dev->tbtt_tasklet);
909
910 if (rt2x00_get_field32(reg, INT_SOURCE_CSR_RX_DONE))
911 tasklet_schedule(&rt2x00dev->rxdone_tasklet);
912
913 if (rt2x00_get_field32(reg, INT_SOURCE_CSR_AUTO_WAKEUP))
914 tasklet_schedule(&rt2x00dev->autowake_tasklet);
915
916 /*
917 * Disable all interrupts for which a tasklet was scheduled right now,
918 * the tasklet will reenable the appropriate interrupts.
919 */
Helmut Schaa0aa13b22011-03-03 19:45:16 +0100920 spin_lock(&rt2x00dev->irqmask_lock);
Helmut Schaa9a819992011-04-18 15:34:01 +0200921 rt2x00pci_register_read(rt2x00dev, INT_MASK_CSR, &reg);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100922 reg &= mask;
Helmut Schaa9a819992011-04-18 15:34:01 +0200923 rt2x00pci_register_write(rt2x00dev, INT_MASK_CSR, reg);
Helmut Schaa0aa13b22011-03-03 19:45:16 +0100924 spin_unlock(&rt2x00dev->irqmask_lock);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100925
926 return IRQ_HANDLED;
Helmut Schaa78e256c2010-07-11 12:26:48 +0200927}
928
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200929/*
930 * Device probe functions.
931 */
Bartlomiej Zolnierkiewicz7ab71322009-11-08 14:38:54 +0100932static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
933{
934 /*
935 * Read EEPROM into buffer
936 */
Gertjan van Wingerdecea90e52010-02-13 20:55:47 +0100937 if (rt2x00_is_soc(rt2x00dev))
Bartlomiej Zolnierkiewicz7ab71322009-11-08 14:38:54 +0100938 rt2800pci_read_eeprom_soc(rt2x00dev);
Gertjan van Wingerdecea90e52010-02-13 20:55:47 +0100939 else if (rt2800pci_efuse_detect(rt2x00dev))
940 rt2800pci_read_eeprom_efuse(rt2x00dev);
941 else
942 rt2800pci_read_eeprom_pci(rt2x00dev);
Bartlomiej Zolnierkiewicz7ab71322009-11-08 14:38:54 +0100943
944 return rt2800_validate_eeprom(rt2x00dev);
945}
946
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200947static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev)
948{
949 int retval;
950
951 /*
952 * Allocate eeprom data.
953 */
954 retval = rt2800pci_validate_eeprom(rt2x00dev);
955 if (retval)
956 return retval;
957
Bartlomiej Zolnierkiewicz38bd7b82009-11-08 14:39:01 +0100958 retval = rt2800_init_eeprom(rt2x00dev);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200959 if (retval)
960 return retval;
961
962 /*
963 * Initialize hw specifications.
964 */
Bartlomiej Zolnierkiewicz4da29332009-11-08 14:39:32 +0100965 retval = rt2800_probe_hw_mode(rt2x00dev);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200966 if (retval)
967 return retval;
968
969 /*
970 * This device has multiple filters for control frames
971 * and has a separate filter for PS Poll frames.
972 */
Ivo van Doorn7dab73b2011-04-18 15:27:06 +0200973 __set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags);
974 __set_bit(CAPABILITY_CONTROL_FILTER_PSPOLL, &rt2x00dev->cap_flags);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200975
976 /*
Helmut Schaa9f926fb2010-07-11 12:28:23 +0200977 * This device has a pre tbtt interrupt and thus fetches
978 * a new beacon directly prior to transmission.
979 */
Ivo van Doorn7dab73b2011-04-18 15:27:06 +0200980 __set_bit(CAPABILITY_PRE_TBTT_INTERRUPT, &rt2x00dev->cap_flags);
Helmut Schaa9f926fb2010-07-11 12:28:23 +0200981
982 /*
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200983 * This device requires firmware.
984 */
Gertjan van Wingerdecea90e52010-02-13 20:55:47 +0100985 if (!rt2x00_is_soc(rt2x00dev))
Ivo van Doorn7dab73b2011-04-18 15:27:06 +0200986 __set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags);
987 __set_bit(REQUIRE_DMA, &rt2x00dev->cap_flags);
988 __set_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags);
989 __set_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags);
990 __set_bit(REQUIRE_TASKLET_CONTEXT, &rt2x00dev->cap_flags);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200991 if (!modparam_nohwcrypt)
Ivo van Doorn7dab73b2011-04-18 15:27:06 +0200992 __set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags);
993 __set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags);
994 __set_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200995
996 /*
997 * Set the rssi offset.
998 */
999 rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
1000
1001 return 0;
1002}
1003
Helmut Schaae7836192010-07-11 12:28:54 +02001004static const struct ieee80211_ops rt2800pci_mac80211_ops = {
1005 .tx = rt2x00mac_tx,
1006 .start = rt2x00mac_start,
1007 .stop = rt2x00mac_stop,
1008 .add_interface = rt2x00mac_add_interface,
1009 .remove_interface = rt2x00mac_remove_interface,
1010 .config = rt2x00mac_config,
1011 .configure_filter = rt2x00mac_configure_filter,
Helmut Schaae7836192010-07-11 12:28:54 +02001012 .set_key = rt2x00mac_set_key,
1013 .sw_scan_start = rt2x00mac_sw_scan_start,
1014 .sw_scan_complete = rt2x00mac_sw_scan_complete,
1015 .get_stats = rt2x00mac_get_stats,
1016 .get_tkip_seq = rt2800_get_tkip_seq,
1017 .set_rts_threshold = rt2800_set_rts_threshold,
Helmut Schaaa2b13282011-09-08 14:38:01 +02001018 .sta_add = rt2x00mac_sta_add,
1019 .sta_remove = rt2x00mac_sta_remove,
Helmut Schaae7836192010-07-11 12:28:54 +02001020 .bss_info_changed = rt2x00mac_bss_info_changed,
1021 .conf_tx = rt2800_conf_tx,
1022 .get_tsf = rt2800_get_tsf,
1023 .rfkill_poll = rt2x00mac_rfkill_poll,
1024 .ampdu_action = rt2800_ampdu_action,
Ivo van Doornf44df182010-11-04 20:40:11 +01001025 .flush = rt2x00mac_flush,
Helmut Schaa977206d2010-12-13 12:31:58 +01001026 .get_survey = rt2800_get_survey,
Ivo van Doorne7dee442011-04-18 15:34:41 +02001027 .get_ringparam = rt2x00mac_get_ringparam,
Gertjan van Wingerde5f0dd292011-07-06 23:00:21 +02001028 .tx_frames_pending = rt2x00mac_tx_frames_pending,
Helmut Schaae7836192010-07-11 12:28:54 +02001029};
1030
Ivo van Doorne7966432010-07-11 12:31:23 +02001031static const struct rt2800_ops rt2800pci_rt2800_ops = {
1032 .register_read = rt2x00pci_register_read,
1033 .register_read_lock = rt2x00pci_register_read, /* same for PCI */
1034 .register_write = rt2x00pci_register_write,
1035 .register_write_lock = rt2x00pci_register_write, /* same for PCI */
1036 .register_multiread = rt2x00pci_register_multiread,
1037 .register_multiwrite = rt2x00pci_register_multiwrite,
1038 .regbusy_read = rt2x00pci_regbusy_read,
1039 .drv_write_firmware = rt2800pci_write_firmware,
1040 .drv_init_registers = rt2800pci_init_registers,
Ivo van Doorn0c5879b2010-08-06 20:47:20 +02001041 .drv_get_txwi = rt2800pci_get_txwi,
Ivo van Doorne7966432010-07-11 12:31:23 +02001042};
1043
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001044static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = {
1045 .irq_handler = rt2800pci_interrupt,
Helmut Schaaa9d61e92011-01-30 13:18:38 +01001046 .txstatus_tasklet = rt2800pci_txstatus_tasklet,
1047 .pretbtt_tasklet = rt2800pci_pretbtt_tasklet,
1048 .tbtt_tasklet = rt2800pci_tbtt_tasklet,
1049 .rxdone_tasklet = rt2800pci_rxdone_tasklet,
1050 .autowake_tasklet = rt2800pci_autowake_tasklet,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001051 .probe_hw = rt2800pci_probe_hw,
1052 .get_firmware_name = rt2800pci_get_firmware_name,
Ivo van Doornf31c9a82010-07-11 12:30:37 +02001053 .check_firmware = rt2800_check_firmware,
1054 .load_firmware = rt2800_load_firmware,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001055 .initialize = rt2x00pci_initialize,
1056 .uninitialize = rt2x00pci_uninitialize,
1057 .get_entry_state = rt2800pci_get_entry_state,
1058 .clear_entry = rt2800pci_clear_entry,
1059 .set_device_state = rt2800pci_set_device_state,
Bartlomiej Zolnierkiewiczf4450612009-11-04 18:36:40 +01001060 .rfkill_poll = rt2800_rfkill_poll,
1061 .link_stats = rt2800_link_stats,
1062 .reset_tuner = rt2800_reset_tuner,
1063 .link_tuner = rt2800_link_tuner,
Helmut Schaa9e33a352011-03-28 13:33:40 +02001064 .gain_calibration = rt2800_gain_calibration,
Ivo van Doorndbba3062010-12-13 12:34:54 +01001065 .start_queue = rt2800pci_start_queue,
1066 .kick_queue = rt2800pci_kick_queue,
1067 .stop_queue = rt2800pci_stop_queue,
Ivo van Doorn152a5992011-04-18 15:31:02 +02001068 .flush_queue = rt2x00pci_flush_queue,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001069 .write_tx_desc = rt2800pci_write_tx_desc,
Ivo van Doorn0c5879b2010-08-06 20:47:20 +02001070 .write_tx_data = rt2800_write_tx_data,
Gertjan van Wingerdef0194b22010-06-03 10:51:53 +02001071 .write_beacon = rt2800_write_beacon,
Helmut Schaa69cf36a2011-01-30 13:16:03 +01001072 .clear_beacon = rt2800_clear_beacon,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001073 .fill_rxdone = rt2800pci_fill_rxdone,
Bartlomiej Zolnierkiewiczf4450612009-11-04 18:36:40 +01001074 .config_shared_key = rt2800_config_shared_key,
1075 .config_pairwise_key = rt2800_config_pairwise_key,
1076 .config_filter = rt2800_config_filter,
1077 .config_intf = rt2800_config_intf,
1078 .config_erp = rt2800_config_erp,
1079 .config_ant = rt2800_config_ant,
1080 .config = rt2800_config,
Helmut Schaaa2b13282011-09-08 14:38:01 +02001081 .sta_add = rt2800_sta_add,
1082 .sta_remove = rt2800_sta_remove,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001083};
1084
1085static const struct data_queue_desc rt2800pci_queue_rx = {
Helmut Schaaefd2f272010-11-04 20:37:22 +01001086 .entry_num = 128,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001087 .data_size = AGGREGATION_SIZE,
1088 .desc_size = RXD_DESC_SIZE,
1089 .priv_size = sizeof(struct queue_entry_priv_pci),
1090};
1091
1092static const struct data_queue_desc rt2800pci_queue_tx = {
Helmut Schaaefd2f272010-11-04 20:37:22 +01001093 .entry_num = 64,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001094 .data_size = AGGREGATION_SIZE,
1095 .desc_size = TXD_DESC_SIZE,
1096 .priv_size = sizeof(struct queue_entry_priv_pci),
1097};
1098
1099static const struct data_queue_desc rt2800pci_queue_bcn = {
Helmut Schaaefd2f272010-11-04 20:37:22 +01001100 .entry_num = 8,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001101 .data_size = 0, /* No DMA required for beacons */
1102 .desc_size = TXWI_DESC_SIZE,
1103 .priv_size = sizeof(struct queue_entry_priv_pci),
1104};
1105
1106static const struct rt2x00_ops rt2800pci_ops = {
Gertjan van Wingerde04d03622009-11-23 22:44:51 +01001107 .name = KBUILD_MODNAME,
1108 .max_sta_intf = 1,
1109 .max_ap_intf = 8,
1110 .eeprom_size = EEPROM_SIZE,
1111 .rf_size = RF_SIZE,
1112 .tx_queues = NUM_TX_QUEUES,
Gertjan van Wingerdee6218cc2009-11-23 22:44:52 +01001113 .extra_tx_headroom = TXWI_DESC_SIZE,
Gertjan van Wingerde04d03622009-11-23 22:44:51 +01001114 .rx = &rt2800pci_queue_rx,
1115 .tx = &rt2800pci_queue_tx,
1116 .bcn = &rt2800pci_queue_bcn,
1117 .lib = &rt2800pci_rt2x00_ops,
Ivo van Doorne7966432010-07-11 12:31:23 +02001118 .drv = &rt2800pci_rt2800_ops,
Helmut Schaae7836192010-07-11 12:28:54 +02001119 .hw = &rt2800pci_mac80211_ops,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001120#ifdef CONFIG_RT2X00_LIB_DEBUGFS
Gertjan van Wingerde04d03622009-11-23 22:44:51 +01001121 .debugfs = &rt2800_rt2x00debug,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001122#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1123};
1124
1125/*
1126 * RT2800pci module information.
1127 */
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001128#ifdef CONFIG_PCI
Alexey Dobriyana3aa1882010-01-07 11:58:11 +00001129static DEFINE_PCI_DEVICE_TABLE(rt2800pci_device_table) = {
Gertjan van Wingerdee01ae272011-04-18 15:32:13 +02001130 { PCI_DEVICE(0x1814, 0x0601) },
1131 { PCI_DEVICE(0x1814, 0x0681) },
1132 { PCI_DEVICE(0x1814, 0x0701) },
1133 { PCI_DEVICE(0x1814, 0x0781) },
1134 { PCI_DEVICE(0x1814, 0x3090) },
1135 { PCI_DEVICE(0x1814, 0x3091) },
1136 { PCI_DEVICE(0x1814, 0x3092) },
1137 { PCI_DEVICE(0x1432, 0x7708) },
1138 { PCI_DEVICE(0x1432, 0x7727) },
1139 { PCI_DEVICE(0x1432, 0x7728) },
1140 { PCI_DEVICE(0x1432, 0x7738) },
1141 { PCI_DEVICE(0x1432, 0x7748) },
1142 { PCI_DEVICE(0x1432, 0x7758) },
1143 { PCI_DEVICE(0x1432, 0x7768) },
1144 { PCI_DEVICE(0x1462, 0x891a) },
1145 { PCI_DEVICE(0x1a3b, 0x1059) },
Gertjan van Wingerdef93bc9b2010-11-13 19:09:50 +01001146#ifdef CONFIG_RT2800PCI_RT33XX
Gertjan van Wingerdee01ae272011-04-18 15:32:13 +02001147 { PCI_DEVICE(0x1814, 0x3390) },
Gertjan van Wingerdef93bc9b2010-11-13 19:09:50 +01001148#endif
Gertjan van Wingerdede1ebdc2010-02-14 12:52:05 +01001149#ifdef CONFIG_RT2800PCI_RT35XX
Gertjan van Wingerdee01ae272011-04-18 15:32:13 +02001150 { PCI_DEVICE(0x1432, 0x7711) },
1151 { PCI_DEVICE(0x1432, 0x7722) },
1152 { PCI_DEVICE(0x1814, 0x3060) },
1153 { PCI_DEVICE(0x1814, 0x3062) },
1154 { PCI_DEVICE(0x1814, 0x3562) },
1155 { PCI_DEVICE(0x1814, 0x3592) },
1156 { PCI_DEVICE(0x1814, 0x3593) },
Gertjan van Wingerdede1ebdc2010-02-14 12:52:05 +01001157#endif
RA-Shiang Tu60687ba2011-02-20 13:57:46 +01001158#ifdef CONFIG_RT2800PCI_RT53XX
Gertjan van Wingerdee01ae272011-04-18 15:32:13 +02001159 { PCI_DEVICE(0x1814, 0x5390) },
zero.lin5126d972011-08-31 20:43:52 +02001160 { PCI_DEVICE(0x1814, 0x539a) },
Gertjan van Wingerde71e0b382011-07-06 22:58:55 +02001161 { PCI_DEVICE(0x1814, 0x539f) },
RA-Shiang Tu60687ba2011-02-20 13:57:46 +01001162#endif
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001163 { 0, }
1164};
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001165#endif /* CONFIG_PCI */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001166
1167MODULE_AUTHOR(DRV_PROJECT);
1168MODULE_VERSION(DRV_VERSION);
1169MODULE_DESCRIPTION("Ralink RT2800 PCI & PCMCIA Wireless LAN driver.");
1170MODULE_SUPPORTED_DEVICE("Ralink RT2860 PCI & PCMCIA chipset based cards");
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001171#ifdef CONFIG_PCI
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001172MODULE_FIRMWARE(FIRMWARE_RT2860);
1173MODULE_DEVICE_TABLE(pci, rt2800pci_device_table);
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001174#endif /* CONFIG_PCI */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001175MODULE_LICENSE("GPL");
1176
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001177#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X)
Gertjan van Wingerde714fa662010-02-13 20:55:48 +01001178static int rt2800soc_probe(struct platform_device *pdev)
1179{
Helmut Schaa6e93d712010-03-02 16:34:49 +01001180 return rt2x00soc_probe(pdev, &rt2800pci_ops);
Gertjan van Wingerde714fa662010-02-13 20:55:48 +01001181}
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001182
1183static struct platform_driver rt2800soc_driver = {
1184 .driver = {
1185 .name = "rt2800_wmac",
1186 .owner = THIS_MODULE,
1187 .mod_name = KBUILD_MODNAME,
1188 },
Gertjan van Wingerde714fa662010-02-13 20:55:48 +01001189 .probe = rt2800soc_probe,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001190 .remove = __devexit_p(rt2x00soc_remove),
1191 .suspend = rt2x00soc_suspend,
1192 .resume = rt2x00soc_resume,
1193};
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001194#endif /* CONFIG_RALINK_RT288X || CONFIG_RALINK_RT305X */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001195
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001196#ifdef CONFIG_PCI
Gertjan van Wingerdee01ae272011-04-18 15:32:13 +02001197static int rt2800pci_probe(struct pci_dev *pci_dev,
1198 const struct pci_device_id *id)
1199{
1200 return rt2x00pci_probe(pci_dev, &rt2800pci_ops);
1201}
1202
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001203static struct pci_driver rt2800pci_driver = {
1204 .name = KBUILD_MODNAME,
1205 .id_table = rt2800pci_device_table,
Gertjan van Wingerdee01ae272011-04-18 15:32:13 +02001206 .probe = rt2800pci_probe,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001207 .remove = __devexit_p(rt2x00pci_remove),
1208 .suspend = rt2x00pci_suspend,
1209 .resume = rt2x00pci_resume,
1210};
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001211#endif /* CONFIG_PCI */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001212
1213static int __init rt2800pci_init(void)
1214{
1215 int ret = 0;
1216
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001217#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001218 ret = platform_driver_register(&rt2800soc_driver);
1219 if (ret)
1220 return ret;
1221#endif
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001222#ifdef CONFIG_PCI
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001223 ret = pci_register_driver(&rt2800pci_driver);
1224 if (ret) {
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001225#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001226 platform_driver_unregister(&rt2800soc_driver);
1227#endif
1228 return ret;
1229 }
1230#endif
1231
1232 return ret;
1233}
1234
1235static void __exit rt2800pci_exit(void)
1236{
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001237#ifdef CONFIG_PCI
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001238 pci_unregister_driver(&rt2800pci_driver);
1239#endif
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001240#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001241 platform_driver_unregister(&rt2800soc_driver);
1242#endif
1243}
1244
1245module_init(rt2800pci_init);
1246module_exit(rt2800pci_exit);