blob: 391e08fa054bc1ea2bc48710a69287f175231a34 [file] [log] [blame]
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
Gertjan van Wingerdead417a52012-09-03 03:25:51 +020057static bool rt2800pci_hwcrypt_disabled(struct rt2x00_dev *rt2x00dev)
58{
59 return modparam_nohwcrypt;
60}
61
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020062static void rt2800pci_mcu_status(struct rt2x00_dev *rt2x00dev, const u8 token)
63{
64 unsigned int i;
65 u32 reg;
66
Luis Correiaf18d4462010-04-03 12:49:53 +010067 /*
68 * SOC devices don't support MCU requests.
69 */
70 if (rt2x00_is_soc(rt2x00dev))
71 return;
72
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020073 for (i = 0; i < 200; i++) {
Helmut Schaa9a819992011-04-18 15:34:01 +020074 rt2x00pci_register_read(rt2x00dev, H2M_MAILBOX_CID, &reg);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020075
76 if ((rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD0) == token) ||
77 (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD1) == token) ||
78 (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD2) == token) ||
79 (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD3) == token))
80 break;
81
82 udelay(REGISTER_BUSY_DELAY);
83 }
84
85 if (i == 200)
86 ERROR(rt2x00dev, "MCU request failed, no response from hardware\n");
87
Helmut Schaa9a819992011-04-18 15:34:01 +020088 rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
89 rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020090}
91
Gertjan van Wingerde72c72962010-11-13 19:10:54 +010092#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020093static void rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev)
94{
Gertjan van Wingerdeef8397c2010-11-13 19:11:22 +010095 void __iomem *base_addr = ioremap(0x1F040000, EEPROM_SIZE);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020096
97 memcpy_fromio(rt2x00dev->eeprom, base_addr, EEPROM_SIZE);
Gertjan van Wingerdeef8397c2010-11-13 19:11:22 +010098
99 iounmap(base_addr);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200100}
101#else
102static inline void rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev)
103{
104}
Gertjan van Wingerde72c72962010-11-13 19:10:54 +0100105#endif /* CONFIG_RALINK_RT288X || CONFIG_RALINK_RT305X */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200106
Gertjan van Wingerde72c72962010-11-13 19:10:54 +0100107#ifdef CONFIG_PCI
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200108static void rt2800pci_eepromregister_read(struct eeprom_93cx6 *eeprom)
109{
110 struct rt2x00_dev *rt2x00dev = eeprom->data;
111 u32 reg;
112
Helmut Schaa9a819992011-04-18 15:34:01 +0200113 rt2x00pci_register_read(rt2x00dev, E2PROM_CSR, &reg);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200114
115 eeprom->reg_data_in = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_IN);
116 eeprom->reg_data_out = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_OUT);
117 eeprom->reg_data_clock =
118 !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_CLOCK);
119 eeprom->reg_chip_select =
120 !!rt2x00_get_field32(reg, E2PROM_CSR_CHIP_SELECT);
121}
122
123static void rt2800pci_eepromregister_write(struct eeprom_93cx6 *eeprom)
124{
125 struct rt2x00_dev *rt2x00dev = eeprom->data;
126 u32 reg = 0;
127
128 rt2x00_set_field32(&reg, E2PROM_CSR_DATA_IN, !!eeprom->reg_data_in);
129 rt2x00_set_field32(&reg, E2PROM_CSR_DATA_OUT, !!eeprom->reg_data_out);
130 rt2x00_set_field32(&reg, E2PROM_CSR_DATA_CLOCK,
131 !!eeprom->reg_data_clock);
132 rt2x00_set_field32(&reg, E2PROM_CSR_CHIP_SELECT,
133 !!eeprom->reg_chip_select);
134
Helmut Schaa9a819992011-04-18 15:34:01 +0200135 rt2x00pci_register_write(rt2x00dev, E2PROM_CSR, reg);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200136}
137
138static void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev)
139{
140 struct eeprom_93cx6 eeprom;
141 u32 reg;
142
Helmut Schaa9a819992011-04-18 15:34:01 +0200143 rt2x00pci_register_read(rt2x00dev, E2PROM_CSR, &reg);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200144
145 eeprom.data = rt2x00dev;
146 eeprom.register_read = rt2800pci_eepromregister_read;
147 eeprom.register_write = rt2800pci_eepromregister_write;
Gertjan van Wingerde20f8b132010-06-29 21:44:18 +0200148 switch (rt2x00_get_field32(reg, E2PROM_CSR_TYPE))
149 {
150 case 0:
151 eeprom.width = PCI_EEPROM_WIDTH_93C46;
152 break;
153 case 1:
154 eeprom.width = PCI_EEPROM_WIDTH_93C66;
155 break;
156 default:
157 eeprom.width = PCI_EEPROM_WIDTH_93C86;
158 break;
159 }
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200160 eeprom.reg_data_in = 0;
161 eeprom.reg_data_out = 0;
162 eeprom.reg_data_clock = 0;
163 eeprom.reg_chip_select = 0;
164
165 eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom,
166 EEPROM_SIZE / sizeof(u16));
167}
168
Gertjan van Wingerdea6598682009-11-08 12:30:35 +0100169static int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev)
170{
Bartlomiej Zolnierkiewicz30e84032009-11-08 14:39:48 +0100171 return rt2800_efuse_detect(rt2x00dev);
Gertjan van Wingerdea6598682009-11-08 12:30:35 +0100172}
173
Bartlomiej Zolnierkiewicz30e84032009-11-08 14:39:48 +0100174static inline void rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200175{
Bartlomiej Zolnierkiewicz30e84032009-11-08 14:39:48 +0100176 rt2800_read_eeprom_efuse(rt2x00dev);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200177}
178#else
179static inline void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev)
180{
181}
182
Gertjan van Wingerdea6598682009-11-08 12:30:35 +0100183static inline int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev)
184{
185 return 0;
186}
187
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200188static inline void rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
189{
190}
Gertjan van Wingerde72c72962010-11-13 19:10:54 +0100191#endif /* CONFIG_PCI */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200192
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200193/*
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100194 * Queue handlers.
195 */
196static void rt2800pci_start_queue(struct data_queue *queue)
197{
198 struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
199 u32 reg;
200
201 switch (queue->qid) {
202 case QID_RX:
Helmut Schaa9a819992011-04-18 15:34:01 +0200203 rt2x00pci_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100204 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200205 rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100206 break;
207 case QID_BEACON:
Helmut Schaa9a819992011-04-18 15:34:01 +0200208 rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100209 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
210 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
211 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200212 rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg);
Helmut Schaa69cf36a2011-01-30 13:16:03 +0100213
Helmut Schaa9a819992011-04-18 15:34:01 +0200214 rt2x00pci_register_read(rt2x00dev, INT_TIMER_EN, &reg);
Helmut Schaa69cf36a2011-01-30 13:16:03 +0100215 rt2x00_set_field32(&reg, INT_TIMER_EN_PRE_TBTT_TIMER, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200216 rt2x00pci_register_write(rt2x00dev, INT_TIMER_EN, reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100217 break;
218 default:
219 break;
Joe Perches6403eab2011-06-03 11:51:20 +0000220 }
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100221}
222
223static void rt2800pci_kick_queue(struct data_queue *queue)
224{
225 struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
226 struct queue_entry *entry;
227
228 switch (queue->qid) {
Ivo van Doornf615e9a2010-12-13 12:36:38 +0100229 case QID_AC_VO:
230 case QID_AC_VI:
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100231 case QID_AC_BE:
232 case QID_AC_BK:
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100233 entry = rt2x00queue_get_entry(queue, Q_INDEX);
Helmut Schaa9a819992011-04-18 15:34:01 +0200234 rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX(queue->qid),
235 entry->entry_idx);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100236 break;
237 case QID_MGMT:
238 entry = rt2x00queue_get_entry(queue, Q_INDEX);
Helmut Schaa9a819992011-04-18 15:34:01 +0200239 rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX(5),
240 entry->entry_idx);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100241 break;
242 default:
243 break;
244 }
245}
246
247static void rt2800pci_stop_queue(struct data_queue *queue)
248{
249 struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
250 u32 reg;
251
252 switch (queue->qid) {
253 case QID_RX:
Helmut Schaa9a819992011-04-18 15:34:01 +0200254 rt2x00pci_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100255 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
Helmut Schaa9a819992011-04-18 15:34:01 +0200256 rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100257 break;
258 case QID_BEACON:
Helmut Schaa9a819992011-04-18 15:34:01 +0200259 rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100260 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
261 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
262 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
Helmut Schaa9a819992011-04-18 15:34:01 +0200263 rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg);
Helmut Schaa69cf36a2011-01-30 13:16:03 +0100264
Helmut Schaa9a819992011-04-18 15:34:01 +0200265 rt2x00pci_register_read(rt2x00dev, INT_TIMER_EN, &reg);
Helmut Schaa69cf36a2011-01-30 13:16:03 +0100266 rt2x00_set_field32(&reg, INT_TIMER_EN_PRE_TBTT_TIMER, 0);
Helmut Schaa9a819992011-04-18 15:34:01 +0200267 rt2x00pci_register_write(rt2x00dev, INT_TIMER_EN, reg);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100268
269 /*
Helmut Schaaabc11992011-08-06 13:13:48 +0200270 * Wait for current invocation to finish. The tasklet
271 * won't be scheduled anymore afterwards since we disabled
272 * the TBTT and PRE TBTT timer.
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100273 */
Helmut Schaaabc11992011-08-06 13:13:48 +0200274 tasklet_kill(&rt2x00dev->tbtt_tasklet);
275 tasklet_kill(&rt2x00dev->pretbtt_tasklet);
276
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100277 break;
278 default:
279 break;
280 }
281}
282
283/*
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200284 * Firmware functions
285 */
286static char *rt2800pci_get_firmware_name(struct rt2x00_dev *rt2x00dev)
287{
Woody Hunga89534e2012-06-13 15:01:16 +0800288 /*
289 * Chip rt3290 use specific 4KB firmware named rt3290.bin.
290 */
291 if (rt2x00_rt(rt2x00dev, RT3290))
292 return FIRMWARE_RT3290;
293 else
294 return FIRMWARE_RT2860;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200295}
296
Ivo van Doornf31c9a82010-07-11 12:30:37 +0200297static int rt2800pci_write_firmware(struct rt2x00_dev *rt2x00dev,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200298 const u8 *data, const size_t len)
299{
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200300 u32 reg;
301
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200302 /*
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200303 * enable Host program ram write selection
304 */
305 reg = 0;
306 rt2x00_set_field32(&reg, PBF_SYS_CTRL_HOST_RAM_WRITE, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200307 rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, reg);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200308
309 /*
310 * Write firmware to device.
311 */
Ivo van Doornd4c838e2011-04-30 17:14:49 +0200312 rt2x00pci_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
313 data, len);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200314
Helmut Schaa9a819992011-04-18 15:34:01 +0200315 rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000);
316 rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200317
Helmut Schaa9a819992011-04-18 15:34:01 +0200318 rt2x00pci_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
319 rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200320
321 return 0;
322}
323
324/*
325 * Initialization functions.
326 */
327static bool rt2800pci_get_entry_state(struct queue_entry *entry)
328{
329 struct queue_entry_priv_pci *entry_priv = entry->priv_data;
330 u32 word;
331
332 if (entry->queue->qid == QID_RX) {
333 rt2x00_desc_read(entry_priv->desc, 1, &word);
334
335 return (!rt2x00_get_field32(word, RXD_W1_DMA_DONE));
336 } else {
337 rt2x00_desc_read(entry_priv->desc, 1, &word);
338
339 return (!rt2x00_get_field32(word, TXD_W1_DMA_DONE));
340 }
341}
342
343static void rt2800pci_clear_entry(struct queue_entry *entry)
344{
345 struct queue_entry_priv_pci *entry_priv = entry->priv_data;
346 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
Helmut Schaa95192332010-10-02 11:29:30 +0200347 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200348 u32 word;
349
350 if (entry->queue->qid == QID_RX) {
351 rt2x00_desc_read(entry_priv->desc, 0, &word);
352 rt2x00_set_field32(&word, RXD_W0_SDP0, skbdesc->skb_dma);
353 rt2x00_desc_write(entry_priv->desc, 0, word);
354
355 rt2x00_desc_read(entry_priv->desc, 1, &word);
356 rt2x00_set_field32(&word, RXD_W1_DMA_DONE, 0);
357 rt2x00_desc_write(entry_priv->desc, 1, word);
Helmut Schaa95192332010-10-02 11:29:30 +0200358
359 /*
360 * Set RX IDX in register to inform hardware that we have
361 * handled this entry and it is available for reuse again.
362 */
Helmut Schaa9a819992011-04-18 15:34:01 +0200363 rt2x00pci_register_write(rt2x00dev, RX_CRX_IDX,
Helmut Schaa95192332010-10-02 11:29:30 +0200364 entry->entry_idx);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200365 } else {
366 rt2x00_desc_read(entry_priv->desc, 1, &word);
367 rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 1);
368 rt2x00_desc_write(entry_priv->desc, 1, word);
369 }
370}
371
372static int rt2800pci_init_queues(struct rt2x00_dev *rt2x00dev)
373{
374 struct queue_entry_priv_pci *entry_priv;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200375
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200376 /*
377 * Initialize registers.
378 */
379 entry_priv = rt2x00dev->tx[0].entries[0].priv_data;
Helmut Schaa9a819992011-04-18 15:34:01 +0200380 rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR0, entry_priv->desc_dma);
381 rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT0,
382 rt2x00dev->tx[0].limit);
383 rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX0, 0);
384 rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX0, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200385
386 entry_priv = rt2x00dev->tx[1].entries[0].priv_data;
Helmut Schaa9a819992011-04-18 15:34:01 +0200387 rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR1, entry_priv->desc_dma);
388 rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT1,
389 rt2x00dev->tx[1].limit);
390 rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX1, 0);
391 rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX1, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200392
393 entry_priv = rt2x00dev->tx[2].entries[0].priv_data;
Helmut Schaa9a819992011-04-18 15:34:01 +0200394 rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR2, entry_priv->desc_dma);
395 rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT2,
396 rt2x00dev->tx[2].limit);
397 rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX2, 0);
398 rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX2, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200399
400 entry_priv = rt2x00dev->tx[3].entries[0].priv_data;
Helmut Schaa9a819992011-04-18 15:34:01 +0200401 rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR3, entry_priv->desc_dma);
402 rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT3,
403 rt2x00dev->tx[3].limit);
404 rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX3, 0);
405 rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX3, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200406
Jakub Kicinski3a4b43f2012-04-03 03:40:50 +0200407 rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR4, 0);
408 rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT4, 0);
409 rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX4, 0);
410 rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX4, 0);
411
412 rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR5, 0);
413 rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT5, 0);
414 rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX5, 0);
415 rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX5, 0);
416
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200417 entry_priv = rt2x00dev->rx->entries[0].priv_data;
Helmut Schaa9a819992011-04-18 15:34:01 +0200418 rt2x00pci_register_write(rt2x00dev, RX_BASE_PTR, entry_priv->desc_dma);
419 rt2x00pci_register_write(rt2x00dev, RX_MAX_CNT,
420 rt2x00dev->rx[0].limit);
421 rt2x00pci_register_write(rt2x00dev, RX_CRX_IDX,
422 rt2x00dev->rx[0].limit - 1);
423 rt2x00pci_register_write(rt2x00dev, RX_DRX_IDX, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200424
Jakub Kicinskif7b395e2012-04-03 03:40:47 +0200425 rt2800_disable_wpdma(rt2x00dev);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200426
Helmut Schaa9a819992011-04-18 15:34:01 +0200427 rt2x00pci_register_write(rt2x00dev, DELAY_INT_CFG, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200428
429 return 0;
430}
431
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200432/*
433 * Device state switch handlers.
434 */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200435static void rt2800pci_toggle_irq(struct rt2x00_dev *rt2x00dev,
436 enum dev_state state)
437{
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200438 u32 reg;
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100439 unsigned long flags;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200440
441 /*
442 * When interrupts are being enabled, the interrupt registers
443 * should clear the register to assure a clean state.
444 */
445 if (state == STATE_RADIO_IRQ_ON) {
Helmut Schaa9a819992011-04-18 15:34:01 +0200446 rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, &reg);
447 rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100448 }
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200449
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100450 spin_lock_irqsave(&rt2x00dev->irqmask_lock, flags);
Stanislaw Gruszkadfd00c42012-01-13 12:59:32 +0100451 reg = 0;
452 if (state == STATE_RADIO_IRQ_ON) {
453 rt2x00_set_field32(&reg, INT_MASK_CSR_RX_DONE, 1);
454 rt2x00_set_field32(&reg, INT_MASK_CSR_TBTT, 1);
455 rt2x00_set_field32(&reg, INT_MASK_CSR_PRE_TBTT, 1);
456 rt2x00_set_field32(&reg, INT_MASK_CSR_TX_FIFO_STATUS, 1);
457 rt2x00_set_field32(&reg, INT_MASK_CSR_AUTO_WAKEUP, 1);
458 }
Helmut Schaa9a819992011-04-18 15:34:01 +0200459 rt2x00pci_register_write(rt2x00dev, INT_MASK_CSR, reg);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100460 spin_unlock_irqrestore(&rt2x00dev->irqmask_lock, flags);
461
462 if (state == STATE_RADIO_IRQ_OFF) {
463 /*
Helmut Schaaabc11992011-08-06 13:13:48 +0200464 * Wait for possibly running tasklets to finish.
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100465 */
Helmut Schaaabc11992011-08-06 13:13:48 +0200466 tasklet_kill(&rt2x00dev->txstatus_tasklet);
467 tasklet_kill(&rt2x00dev->rxdone_tasklet);
468 tasklet_kill(&rt2x00dev->autowake_tasklet);
469 tasklet_kill(&rt2x00dev->tbtt_tasklet);
470 tasklet_kill(&rt2x00dev->pretbtt_tasklet);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100471 }
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200472}
473
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200474static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev)
475{
476 u32 reg;
477
478 /*
479 * Reset DMA indexes
480 */
Helmut Schaa9a819992011-04-18 15:34:01 +0200481 rt2x00pci_register_read(rt2x00dev, WPDMA_RST_IDX, &reg);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200482 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX0, 1);
483 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX1, 1);
484 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX2, 1);
485 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX3, 1);
486 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX4, 1);
487 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX5, 1);
488 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DRX_IDX0, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200489 rt2x00pci_register_write(rt2x00dev, WPDMA_RST_IDX, reg);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200490
Helmut Schaa9a819992011-04-18 15:34:01 +0200491 rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f);
492 rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200493
Gertjan van Wingerde872834d2011-05-18 20:25:31 +0200494 if (rt2x00_is_pcie(rt2x00dev) &&
495 (rt2x00_rt(rt2x00dev, RT3572) ||
John Li2ed71882012-02-17 17:33:06 +0800496 rt2x00_rt(rt2x00dev, RT5390) ||
497 rt2x00_rt(rt2x00dev, RT5392))) {
Helmut Schaa9a819992011-04-18 15:34:01 +0200498 rt2x00pci_register_read(rt2x00dev, AUX_CTRL, &reg);
Gabor Juhosadde5882011-03-03 11:46:45 +0100499 rt2x00_set_field32(&reg, AUX_CTRL_FORCE_PCIE_CLK, 1);
500 rt2x00_set_field32(&reg, AUX_CTRL_WAKE_PCIE_EN, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200501 rt2x00pci_register_write(rt2x00dev, AUX_CTRL, reg);
Gabor Juhosadde5882011-03-03 11:46:45 +0100502 }
RA-Shiang Tu60687ba2011-02-20 13:57:46 +0100503
Helmut Schaa9a819992011-04-18 15:34:01 +0200504 rt2x00pci_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200505
Stanislaw Gruszka2a48e8a2012-01-24 14:09:08 +0100506 reg = 0;
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200507 rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
508 rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200509 rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200510
Helmut Schaa9a819992011-04-18 15:34:01 +0200511 rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200512
513 return 0;
514}
515
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200516static int rt2800pci_enable_radio(struct rt2x00_dev *rt2x00dev)
517{
Jakub Kicinskie8b461c2012-02-22 21:58:58 +0100518 int retval;
519
Jakub Kicinski52b82432012-04-03 03:40:49 +0200520 /* Wait for DMA, ignore error until we initialize queues. */
521 rt2800_wait_wpdma_ready(rt2x00dev);
522
523 if (unlikely(rt2800pci_init_queues(rt2x00dev)))
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200524 return -EIO;
525
Jakub Kicinskie8b461c2012-02-22 21:58:58 +0100526 retval = rt2800_enable_radio(rt2x00dev);
527 if (retval)
528 return retval;
529
530 /* After resume MCU_BOOT_SIGNAL will trash these. */
531 rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
532 rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
533
534 rt2800_mcu_request(rt2x00dev, MCU_SLEEP, TOKEN_RADIO_OFF, 0xff, 0x02);
535 rt2800pci_mcu_status(rt2x00dev, TOKEN_RADIO_OFF);
536
537 rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKEUP, 0, 0);
538 rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKEUP);
539
540 return retval;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200541}
542
543static void rt2800pci_disable_radio(struct rt2x00_dev *rt2x00dev)
544{
RA-Jay Hung7f6e1442011-01-10 11:27:43 +0100545 if (rt2x00_is_soc(rt2x00dev)) {
546 rt2800_disable_radio(rt2x00dev);
Helmut Schaa9a819992011-04-18 15:34:01 +0200547 rt2x00pci_register_write(rt2x00dev, PWR_PIN_CFG, 0);
548 rt2x00pci_register_write(rt2x00dev, TX_PIN_CFG, 0);
RA-Jay Hung7f6e1442011-01-10 11:27:43 +0100549 }
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200550}
551
552static int rt2800pci_set_state(struct rt2x00_dev *rt2x00dev,
553 enum dev_state state)
554{
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200555 if (state == STATE_AWAKE) {
Jakub Kicinski09a33112012-02-22 21:58:57 +0100556 rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKEUP,
557 0, 0x02);
558 rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKEUP);
RA-Jay Hung7f6e1442011-01-10 11:27:43 +0100559 } else if (state == STATE_SLEEP) {
Helmut Schaa9a819992011-04-18 15:34:01 +0200560 rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_STATUS,
561 0xffffffff);
562 rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CID,
563 0xffffffff);
Jakub Kicinski09a33112012-02-22 21:58:57 +0100564 rt2800_mcu_request(rt2x00dev, MCU_SLEEP, TOKEN_SLEEP,
565 0xff, 0x01);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200566 }
567
568 return 0;
569}
570
571static int rt2800pci_set_device_state(struct rt2x00_dev *rt2x00dev,
572 enum dev_state state)
573{
574 int retval = 0;
575
576 switch (state) {
577 case STATE_RADIO_ON:
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200578 retval = rt2800pci_enable_radio(rt2x00dev);
579 break;
580 case STATE_RADIO_OFF:
581 /*
582 * After the radio has been disabled, the device should
583 * be put to sleep for powersaving.
584 */
585 rt2800pci_disable_radio(rt2x00dev);
586 rt2800pci_set_state(rt2x00dev, STATE_SLEEP);
587 break;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200588 case STATE_RADIO_IRQ_ON:
589 case STATE_RADIO_IRQ_OFF:
590 rt2800pci_toggle_irq(rt2x00dev, state);
591 break;
592 case STATE_DEEP_SLEEP:
593 case STATE_SLEEP:
594 case STATE_STANDBY:
595 case STATE_AWAKE:
596 retval = rt2800pci_set_state(rt2x00dev, state);
597 break;
598 default:
599 retval = -ENOTSUPP;
600 break;
601 }
602
603 if (unlikely(retval))
604 ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
605 state, retval);
606
607 return retval;
608}
609
610/*
611 * TX descriptor initialization
612 */
Ivo van Doorn0c5879b2010-08-06 20:47:20 +0200613static __le32 *rt2800pci_get_txwi(struct queue_entry *entry)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200614{
Ivo van Doorn0c5879b2010-08-06 20:47:20 +0200615 return (__le32 *) entry->skb->data;
Helmut Schaa745b1ae2010-04-15 09:13:35 +0200616}
617
Ivo van Doorn93331452010-08-23 19:53:39 +0200618static void rt2800pci_write_tx_desc(struct queue_entry *entry,
Helmut Schaa745b1ae2010-04-15 09:13:35 +0200619 struct txentry_desc *txdesc)
620{
Ivo van Doorn93331452010-08-23 19:53:39 +0200621 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
622 struct queue_entry_priv_pci *entry_priv = entry->priv_data;
Gertjan van Wingerde85b7a8b2010-05-11 23:51:40 +0200623 __le32 *txd = entry_priv->desc;
Helmut Schaa745b1ae2010-04-15 09:13:35 +0200624 u32 word;
625
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200626 /*
627 * The buffers pointed by SD_PTR0/SD_LEN0 and SD_PTR1/SD_LEN1
628 * must contains a TXWI structure + 802.11 header + padding + 802.11
629 * data. We choose to have SD_PTR0/SD_LEN0 only contains TXWI and
630 * SD_PTR1/SD_LEN1 contains 802.11 header + padding + 802.11
631 * data. It means that LAST_SEC0 is always 0.
632 */
633
634 /*
635 * Initialize TX descriptor
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_W0_SD_PTR0, skbdesc->skb_dma);
639 rt2x00_desc_write(txd, 0, word);
640
Helmut Schaa3de3d962011-09-07 20:11:26 +0200641 word = 0;
Ivo van Doorn93331452010-08-23 19:53:39 +0200642 rt2x00_set_field32(&word, TXD_W1_SD_LEN1, entry->skb->len);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200643 rt2x00_set_field32(&word, TXD_W1_LAST_SEC1,
644 !test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
645 rt2x00_set_field32(&word, TXD_W1_BURST,
646 test_bit(ENTRY_TXD_BURST, &txdesc->flags));
Gertjan van Wingerde85b7a8b2010-05-11 23:51:40 +0200647 rt2x00_set_field32(&word, TXD_W1_SD_LEN0, TXWI_DESC_SIZE);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200648 rt2x00_set_field32(&word, TXD_W1_LAST_SEC0, 0);
649 rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 0);
650 rt2x00_desc_write(txd, 1, word);
651
Helmut Schaa3de3d962011-09-07 20:11:26 +0200652 word = 0;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200653 rt2x00_set_field32(&word, TXD_W2_SD_PTR1,
Gertjan van Wingerde85b7a8b2010-05-11 23:51:40 +0200654 skbdesc->skb_dma + TXWI_DESC_SIZE);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200655 rt2x00_desc_write(txd, 2, word);
656
Helmut Schaa3de3d962011-09-07 20:11:26 +0200657 word = 0;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200658 rt2x00_set_field32(&word, TXD_W3_WIV,
659 !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
660 rt2x00_set_field32(&word, TXD_W3_QSEL, 2);
661 rt2x00_desc_write(txd, 3, word);
Gertjan van Wingerde85b7a8b2010-05-11 23:51:40 +0200662
663 /*
664 * Register descriptor details in skb frame descriptor.
665 */
666 skbdesc->desc = txd;
667 skbdesc->desc_len = TXD_DESC_SIZE;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200668}
669
670/*
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200671 * RX control handlers
672 */
673static void rt2800pci_fill_rxdone(struct queue_entry *entry,
674 struct rxdone_entry_desc *rxdesc)
675{
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200676 struct queue_entry_priv_pci *entry_priv = entry->priv_data;
677 __le32 *rxd = entry_priv->desc;
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200678 u32 word;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200679
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200680 rt2x00_desc_read(rxd, 3, &word);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200681
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200682 if (rt2x00_get_field32(word, RXD_W3_CRC_ERROR))
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200683 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
684
Gertjan van Wingerde78b8f3b2010-05-08 23:40:20 +0200685 /*
686 * Unfortunately we don't know the cipher type used during
687 * decryption. This prevents us from correct providing
688 * correct statistics through debugfs.
689 */
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200690 rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W3_CIPHER_ERROR);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200691
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200692 if (rt2x00_get_field32(word, RXD_W3_DECRYPTED)) {
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200693 /*
694 * Hardware has stripped IV/EIV data from 802.11 frame during
695 * decryption. Unfortunately the descriptor doesn't contain
696 * any fields with the EIV/IV data either, so they can't
697 * be restored by rt2x00lib.
698 */
699 rxdesc->flags |= RX_FLAG_IV_STRIPPED;
700
Gertjan van Wingerdea45f3692011-01-30 13:22:41 +0100701 /*
702 * The hardware has already checked the Michael Mic and has
703 * stripped it from the frame. Signal this to mac80211.
704 */
705 rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
706
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200707 if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
708 rxdesc->flags |= RX_FLAG_DECRYPTED;
709 else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
710 rxdesc->flags |= RX_FLAG_MMIC_ERROR;
711 }
712
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200713 if (rt2x00_get_field32(word, RXD_W3_MY_BSS))
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200714 rxdesc->dev_flags |= RXDONE_MY_BSS;
715
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200716 if (rt2x00_get_field32(word, RXD_W3_L2PAD))
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200717 rxdesc->dev_flags |= RXDONE_L2PAD;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200718
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200719 /*
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200720 * Process the RXWI structure that is at the start of the buffer.
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200721 */
Ivo van Doorn74861922010-07-11 12:23:50 +0200722 rt2800_process_rxwi(entry, rxdesc);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200723}
724
725/*
726 * Interrupt functions.
727 */
Gertjan van Wingerde4d66edc2010-03-30 23:50:26 +0200728static void rt2800pci_wakeup(struct rt2x00_dev *rt2x00dev)
729{
730 struct ieee80211_conf conf = { .flags = 0 };
731 struct rt2x00lib_conf libconf = { .conf = &conf };
732
733 rt2800_config(rt2x00dev, &libconf, IEEE80211_CONF_CHANGE_PS);
734}
735
Helmut Schaa2e7798b2011-03-28 13:30:09 +0200736static bool rt2800pci_txdone(struct rt2x00_dev *rt2x00dev)
Helmut Schaa96c3da72010-10-02 11:27:35 +0200737{
738 struct data_queue *queue;
739 struct queue_entry *entry;
740 u32 status;
741 u8 qid;
Helmut Schaa2e7798b2011-03-28 13:30:09 +0200742 int max_tx_done = 16;
Helmut Schaa96c3da72010-10-02 11:27:35 +0200743
Johannes Stezenbachc4d63242010-12-27 15:04:29 +0100744 while (kfifo_get(&rt2x00dev->txstatus_fifo, &status)) {
Helmut Schaa12eec2c2010-10-09 13:35:48 +0200745 qid = rt2x00_get_field32(status, TX_STA_FIFO_PID_QUEUE);
Helmut Schaa87443e82011-03-03 19:39:27 +0100746 if (unlikely(qid >= QID_RX)) {
Helmut Schaa96c3da72010-10-02 11:27:35 +0200747 /*
748 * Unknown queue, this shouldn't happen. Just drop
749 * this tx status.
750 */
751 WARNING(rt2x00dev, "Got TX status report with "
Johannes Stezenbach094a1d92010-12-13 12:34:00 +0100752 "unexpected pid %u, dropping\n", qid);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200753 break;
754 }
755
Helmut Schaa11f818e2011-03-03 19:38:55 +0100756 queue = rt2x00queue_get_tx_queue(rt2x00dev, qid);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200757 if (unlikely(queue == NULL)) {
758 /*
759 * The queue is NULL, this shouldn't happen. Stop
760 * processing here and drop the tx status
761 */
762 WARNING(rt2x00dev, "Got TX status for an unavailable "
Johannes Stezenbach094a1d92010-12-13 12:34:00 +0100763 "queue %u, dropping\n", qid);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200764 break;
765 }
766
Helmut Schaa87443e82011-03-03 19:39:27 +0100767 if (unlikely(rt2x00queue_empty(queue))) {
Helmut Schaa96c3da72010-10-02 11:27:35 +0200768 /*
769 * The queue is empty. Stop processing here
770 * and drop the tx status.
771 */
772 WARNING(rt2x00dev, "Got TX status for an empty "
Johannes Stezenbach094a1d92010-12-13 12:34:00 +0100773 "queue %u, dropping\n", qid);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200774 break;
775 }
776
777 entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
Helmut Schaa31937c42011-09-07 20:10:02 +0200778 rt2800_txdone_entry(entry, status, rt2800pci_get_txwi(entry));
Helmut Schaa2e7798b2011-03-28 13:30:09 +0200779
780 if (--max_tx_done == 0)
781 break;
Helmut Schaa96c3da72010-10-02 11:27:35 +0200782 }
Helmut Schaa2e7798b2011-03-28 13:30:09 +0200783
784 return !max_tx_done;
Helmut Schaa96c3da72010-10-02 11:27:35 +0200785}
786
Helmut Schaa7a5a6812011-04-18 15:31:31 +0200787static inline void rt2800pci_enable_interrupt(struct rt2x00_dev *rt2x00dev,
788 struct rt2x00_field32 irq_field)
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100789{
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100790 u32 reg;
791
792 /*
793 * Enable a single interrupt. The interrupt mask register
794 * access needs locking.
795 */
Helmut Schaa0aa13b22011-03-03 19:45:16 +0100796 spin_lock_irq(&rt2x00dev->irqmask_lock);
Helmut Schaa9a819992011-04-18 15:34:01 +0200797 rt2x00pci_register_read(rt2x00dev, INT_MASK_CSR, &reg);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100798 rt2x00_set_field32(&reg, irq_field, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200799 rt2x00pci_register_write(rt2x00dev, INT_MASK_CSR, reg);
Helmut Schaa0aa13b22011-03-03 19:45:16 +0100800 spin_unlock_irq(&rt2x00dev->irqmask_lock);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100801}
802
Helmut Schaa96c3da72010-10-02 11:27:35 +0200803static void rt2800pci_txstatus_tasklet(unsigned long data)
804{
Helmut Schaa2e7798b2011-03-28 13:30:09 +0200805 struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
806 if (rt2800pci_txdone(rt2x00dev))
807 tasklet_schedule(&rt2x00dev->txstatus_tasklet);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100808
809 /*
810 * No need to enable the tx status interrupt here as we always
811 * leave it enabled to minimize the possibility of a tx status
812 * register overflow. See comment in interrupt handler.
813 */
Helmut Schaa96c3da72010-10-02 11:27:35 +0200814}
815
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100816static void rt2800pci_pretbtt_tasklet(unsigned long data)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200817{
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100818 struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
819 rt2x00lib_pretbtt(rt2x00dev);
Helmut Schaaabc11992011-08-06 13:13:48 +0200820 if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
821 rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_PRE_TBTT);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100822}
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200823
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100824static void rt2800pci_tbtt_tasklet(unsigned long data)
825{
826 struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
Helmut Schaa290d6082012-03-09 15:31:50 +0100827 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
828 u32 reg;
829
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100830 rt2x00lib_beacondone(rt2x00dev);
Helmut Schaa290d6082012-03-09 15:31:50 +0100831
832 if (rt2x00dev->intf_ap_count) {
833 /*
834 * The rt2800pci hardware tbtt timer is off by 1us per tbtt
835 * causing beacon skew and as a result causing problems with
836 * some powersaving clients over time. Shorten the beacon
837 * interval every 64 beacons by 64us to mitigate this effect.
838 */
839 if (drv_data->tbtt_tick == (BCN_TBTT_OFFSET - 2)) {
840 rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
841 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL,
842 (rt2x00dev->beacon_int * 16) - 1);
843 rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg);
844 } else if (drv_data->tbtt_tick == (BCN_TBTT_OFFSET - 1)) {
845 rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
846 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL,
847 (rt2x00dev->beacon_int * 16));
848 rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg);
849 }
850 drv_data->tbtt_tick++;
851 drv_data->tbtt_tick %= BCN_TBTT_OFFSET;
852 }
853
Helmut Schaaabc11992011-08-06 13:13:48 +0200854 if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
855 rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_TBTT);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100856}
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200857
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100858static void rt2800pci_rxdone_tasklet(unsigned long data)
859{
860 struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
Helmut Schaa16638932011-03-28 13:29:44 +0200861 if (rt2x00pci_rxdone(rt2x00dev))
862 tasklet_schedule(&rt2x00dev->rxdone_tasklet);
Helmut Schaaabc11992011-08-06 13:13:48 +0200863 else if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
Helmut Schaa16638932011-03-28 13:29:44 +0200864 rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_RX_DONE);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100865}
Helmut Schaaad903192010-06-29 21:46:43 +0200866
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100867static void rt2800pci_autowake_tasklet(unsigned long data)
868{
869 struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
870 rt2800pci_wakeup(rt2x00dev);
Helmut Schaaabc11992011-08-06 13:13:48 +0200871 if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
872 rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_AUTO_WAKEUP);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200873}
874
Helmut Schaa96c3da72010-10-02 11:27:35 +0200875static void rt2800pci_txstatus_interrupt(struct rt2x00_dev *rt2x00dev)
876{
877 u32 status;
878 int i;
879
880 /*
881 * The TX_FIFO_STATUS interrupt needs special care. We should
882 * read TX_STA_FIFO but we should do it immediately as otherwise
883 * the register can overflow and we would lose status reports.
884 *
885 * Hence, read the TX_STA_FIFO register and copy all tx status
886 * reports into a kernel FIFO which is handled in the txstatus
887 * tasklet. We use a tasklet to process the tx status reports
888 * because we can schedule the tasklet multiple times (when the
889 * interrupt fires again during tx status processing).
890 *
891 * Furthermore we don't disable the TX_FIFO_STATUS
892 * interrupt here but leave it enabled so that the TX_STA_FIFO
Helmut Schaa3736fe52011-03-03 19:45:39 +0100893 * can also be read while the tx status tasklet gets executed.
Helmut Schaa96c3da72010-10-02 11:27:35 +0200894 *
895 * Since we have only one producer and one consumer we don't
896 * need to lock the kfifo.
897 */
Helmut Schaaefd2f272010-11-04 20:37:22 +0100898 for (i = 0; i < rt2x00dev->ops->tx->entry_num; i++) {
Helmut Schaa9a819992011-04-18 15:34:01 +0200899 rt2x00pci_register_read(rt2x00dev, TX_STA_FIFO, &status);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200900
901 if (!rt2x00_get_field32(status, TX_STA_FIFO_VALID))
902 break;
903
Johannes Stezenbachc4d63242010-12-27 15:04:29 +0100904 if (!kfifo_put(&rt2x00dev->txstatus_fifo, &status)) {
Helmut Schaa96c3da72010-10-02 11:27:35 +0200905 WARNING(rt2x00dev, "TX status FIFO overrun,"
906 "drop tx status report.\n");
907 break;
908 }
909 }
910
911 /* Schedule the tasklet for processing the tx status. */
912 tasklet_schedule(&rt2x00dev->txstatus_tasklet);
913}
914
Helmut Schaa78e256c2010-07-11 12:26:48 +0200915static irqreturn_t rt2800pci_interrupt(int irq, void *dev_instance)
916{
917 struct rt2x00_dev *rt2x00dev = dev_instance;
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100918 u32 reg, mask;
Helmut Schaa78e256c2010-07-11 12:26:48 +0200919
920 /* Read status and ACK all interrupts */
Helmut Schaa9a819992011-04-18 15:34:01 +0200921 rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, &reg);
922 rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
Helmut Schaa78e256c2010-07-11 12:26:48 +0200923
924 if (!reg)
925 return IRQ_NONE;
926
927 if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
928 return IRQ_HANDLED;
929
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100930 /*
931 * Since INT_MASK_CSR and INT_SOURCE_CSR use the same bits
932 * for interrupts and interrupt masks we can just use the value of
933 * INT_SOURCE_CSR to create the interrupt mask.
934 */
935 mask = ~reg;
936
937 if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TX_FIFO_STATUS)) {
Helmut Schaa96c3da72010-10-02 11:27:35 +0200938 rt2800pci_txstatus_interrupt(rt2x00dev);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200939 /*
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100940 * Never disable the TX_FIFO_STATUS interrupt.
Helmut Schaa96c3da72010-10-02 11:27:35 +0200941 */
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100942 rt2x00_set_field32(&mask, INT_MASK_CSR_TX_FIFO_STATUS, 1);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200943 }
944
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100945 if (rt2x00_get_field32(reg, INT_SOURCE_CSR_PRE_TBTT))
946 tasklet_hi_schedule(&rt2x00dev->pretbtt_tasklet);
947
948 if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TBTT))
949 tasklet_hi_schedule(&rt2x00dev->tbtt_tasklet);
950
951 if (rt2x00_get_field32(reg, INT_SOURCE_CSR_RX_DONE))
952 tasklet_schedule(&rt2x00dev->rxdone_tasklet);
953
954 if (rt2x00_get_field32(reg, INT_SOURCE_CSR_AUTO_WAKEUP))
955 tasklet_schedule(&rt2x00dev->autowake_tasklet);
956
957 /*
958 * Disable all interrupts for which a tasklet was scheduled right now,
959 * the tasklet will reenable the appropriate interrupts.
960 */
Helmut Schaa0aa13b22011-03-03 19:45:16 +0100961 spin_lock(&rt2x00dev->irqmask_lock);
Helmut Schaa9a819992011-04-18 15:34:01 +0200962 rt2x00pci_register_read(rt2x00dev, INT_MASK_CSR, &reg);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100963 reg &= mask;
Helmut Schaa9a819992011-04-18 15:34:01 +0200964 rt2x00pci_register_write(rt2x00dev, INT_MASK_CSR, reg);
Helmut Schaa0aa13b22011-03-03 19:45:16 +0100965 spin_unlock(&rt2x00dev->irqmask_lock);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100966
967 return IRQ_HANDLED;
Helmut Schaa78e256c2010-07-11 12:26:48 +0200968}
969
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200970/*
971 * Device probe functions.
972 */
Gertjan van Wingerdead417a52012-09-03 03:25:51 +0200973static void rt2800pci_read_eeprom(struct rt2x00_dev *rt2x00dev)
Bartlomiej Zolnierkiewicz7ab71322009-11-08 14:38:54 +0100974{
Gertjan van Wingerdecea90e52010-02-13 20:55:47 +0100975 if (rt2x00_is_soc(rt2x00dev))
Bartlomiej Zolnierkiewicz7ab71322009-11-08 14:38:54 +0100976 rt2800pci_read_eeprom_soc(rt2x00dev);
Gertjan van Wingerdecea90e52010-02-13 20:55:47 +0100977 else if (rt2800pci_efuse_detect(rt2x00dev))
978 rt2800pci_read_eeprom_efuse(rt2x00dev);
979 else
980 rt2800pci_read_eeprom_pci(rt2x00dev);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200981}
982
Helmut Schaae7836192010-07-11 12:28:54 +0200983static const struct ieee80211_ops rt2800pci_mac80211_ops = {
984 .tx = rt2x00mac_tx,
985 .start = rt2x00mac_start,
986 .stop = rt2x00mac_stop,
987 .add_interface = rt2x00mac_add_interface,
988 .remove_interface = rt2x00mac_remove_interface,
989 .config = rt2x00mac_config,
990 .configure_filter = rt2x00mac_configure_filter,
Helmut Schaae7836192010-07-11 12:28:54 +0200991 .set_key = rt2x00mac_set_key,
992 .sw_scan_start = rt2x00mac_sw_scan_start,
993 .sw_scan_complete = rt2x00mac_sw_scan_complete,
994 .get_stats = rt2x00mac_get_stats,
995 .get_tkip_seq = rt2800_get_tkip_seq,
996 .set_rts_threshold = rt2800_set_rts_threshold,
Helmut Schaaa2b13282011-09-08 14:38:01 +0200997 .sta_add = rt2x00mac_sta_add,
998 .sta_remove = rt2x00mac_sta_remove,
Helmut Schaae7836192010-07-11 12:28:54 +0200999 .bss_info_changed = rt2x00mac_bss_info_changed,
1000 .conf_tx = rt2800_conf_tx,
1001 .get_tsf = rt2800_get_tsf,
1002 .rfkill_poll = rt2x00mac_rfkill_poll,
1003 .ampdu_action = rt2800_ampdu_action,
Ivo van Doornf44df182010-11-04 20:40:11 +01001004 .flush = rt2x00mac_flush,
Helmut Schaa977206d2010-12-13 12:31:58 +01001005 .get_survey = rt2800_get_survey,
Ivo van Doorne7dee442011-04-18 15:34:41 +02001006 .get_ringparam = rt2x00mac_get_ringparam,
Gertjan van Wingerde5f0dd292011-07-06 23:00:21 +02001007 .tx_frames_pending = rt2x00mac_tx_frames_pending,
Helmut Schaae7836192010-07-11 12:28:54 +02001008};
1009
Ivo van Doorne7966432010-07-11 12:31:23 +02001010static const struct rt2800_ops rt2800pci_rt2800_ops = {
1011 .register_read = rt2x00pci_register_read,
1012 .register_read_lock = rt2x00pci_register_read, /* same for PCI */
1013 .register_write = rt2x00pci_register_write,
1014 .register_write_lock = rt2x00pci_register_write, /* same for PCI */
1015 .register_multiread = rt2x00pci_register_multiread,
1016 .register_multiwrite = rt2x00pci_register_multiwrite,
1017 .regbusy_read = rt2x00pci_regbusy_read,
Gertjan van Wingerdead417a52012-09-03 03:25:51 +02001018 .read_eeprom = rt2800pci_read_eeprom,
1019 .hwcrypt_disabled = rt2800pci_hwcrypt_disabled,
Ivo van Doorne7966432010-07-11 12:31:23 +02001020 .drv_write_firmware = rt2800pci_write_firmware,
1021 .drv_init_registers = rt2800pci_init_registers,
Ivo van Doorn0c5879b2010-08-06 20:47:20 +02001022 .drv_get_txwi = rt2800pci_get_txwi,
Ivo van Doorne7966432010-07-11 12:31:23 +02001023};
1024
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001025static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = {
1026 .irq_handler = rt2800pci_interrupt,
Helmut Schaaa9d61e92011-01-30 13:18:38 +01001027 .txstatus_tasklet = rt2800pci_txstatus_tasklet,
1028 .pretbtt_tasklet = rt2800pci_pretbtt_tasklet,
1029 .tbtt_tasklet = rt2800pci_tbtt_tasklet,
1030 .rxdone_tasklet = rt2800pci_rxdone_tasklet,
1031 .autowake_tasklet = rt2800pci_autowake_tasklet,
Gertjan van Wingerdead417a52012-09-03 03:25:51 +02001032 .probe_hw = rt2800_probe_hw,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001033 .get_firmware_name = rt2800pci_get_firmware_name,
Ivo van Doornf31c9a82010-07-11 12:30:37 +02001034 .check_firmware = rt2800_check_firmware,
1035 .load_firmware = rt2800_load_firmware,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001036 .initialize = rt2x00pci_initialize,
1037 .uninitialize = rt2x00pci_uninitialize,
1038 .get_entry_state = rt2800pci_get_entry_state,
1039 .clear_entry = rt2800pci_clear_entry,
1040 .set_device_state = rt2800pci_set_device_state,
Bartlomiej Zolnierkiewiczf4450612009-11-04 18:36:40 +01001041 .rfkill_poll = rt2800_rfkill_poll,
1042 .link_stats = rt2800_link_stats,
1043 .reset_tuner = rt2800_reset_tuner,
1044 .link_tuner = rt2800_link_tuner,
Helmut Schaa9e33a352011-03-28 13:33:40 +02001045 .gain_calibration = rt2800_gain_calibration,
John Li2e9c43d2012-02-16 21:40:57 +08001046 .vco_calibration = rt2800_vco_calibration,
Ivo van Doorndbba3062010-12-13 12:34:54 +01001047 .start_queue = rt2800pci_start_queue,
1048 .kick_queue = rt2800pci_kick_queue,
1049 .stop_queue = rt2800pci_stop_queue,
Ivo van Doorn152a5992011-04-18 15:31:02 +02001050 .flush_queue = rt2x00pci_flush_queue,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001051 .write_tx_desc = rt2800pci_write_tx_desc,
Ivo van Doorn0c5879b2010-08-06 20:47:20 +02001052 .write_tx_data = rt2800_write_tx_data,
Gertjan van Wingerdef0194b22010-06-03 10:51:53 +02001053 .write_beacon = rt2800_write_beacon,
Helmut Schaa69cf36a2011-01-30 13:16:03 +01001054 .clear_beacon = rt2800_clear_beacon,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001055 .fill_rxdone = rt2800pci_fill_rxdone,
Bartlomiej Zolnierkiewiczf4450612009-11-04 18:36:40 +01001056 .config_shared_key = rt2800_config_shared_key,
1057 .config_pairwise_key = rt2800_config_pairwise_key,
1058 .config_filter = rt2800_config_filter,
1059 .config_intf = rt2800_config_intf,
1060 .config_erp = rt2800_config_erp,
1061 .config_ant = rt2800_config_ant,
1062 .config = rt2800_config,
Helmut Schaaa2b13282011-09-08 14:38:01 +02001063 .sta_add = rt2800_sta_add,
1064 .sta_remove = rt2800_sta_remove,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001065};
1066
1067static const struct data_queue_desc rt2800pci_queue_rx = {
Helmut Schaaefd2f272010-11-04 20:37:22 +01001068 .entry_num = 128,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001069 .data_size = AGGREGATION_SIZE,
1070 .desc_size = RXD_DESC_SIZE,
1071 .priv_size = sizeof(struct queue_entry_priv_pci),
1072};
1073
1074static const struct data_queue_desc rt2800pci_queue_tx = {
Helmut Schaaefd2f272010-11-04 20:37:22 +01001075 .entry_num = 64,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001076 .data_size = AGGREGATION_SIZE,
1077 .desc_size = TXD_DESC_SIZE,
1078 .priv_size = sizeof(struct queue_entry_priv_pci),
1079};
1080
1081static const struct data_queue_desc rt2800pci_queue_bcn = {
Helmut Schaaefd2f272010-11-04 20:37:22 +01001082 .entry_num = 8,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001083 .data_size = 0, /* No DMA required for beacons */
1084 .desc_size = TXWI_DESC_SIZE,
1085 .priv_size = sizeof(struct queue_entry_priv_pci),
1086};
1087
1088static const struct rt2x00_ops rt2800pci_ops = {
Gertjan van Wingerde04d03622009-11-23 22:44:51 +01001089 .name = KBUILD_MODNAME,
Gertjan van Wingerde3a1c0122012-02-06 23:45:07 +01001090 .drv_data_size = sizeof(struct rt2800_drv_data),
Gertjan van Wingerde04d03622009-11-23 22:44:51 +01001091 .max_sta_intf = 1,
1092 .max_ap_intf = 8,
1093 .eeprom_size = EEPROM_SIZE,
1094 .rf_size = RF_SIZE,
1095 .tx_queues = NUM_TX_QUEUES,
Gertjan van Wingerdee6218cc2009-11-23 22:44:52 +01001096 .extra_tx_headroom = TXWI_DESC_SIZE,
Gertjan van Wingerde04d03622009-11-23 22:44:51 +01001097 .rx = &rt2800pci_queue_rx,
1098 .tx = &rt2800pci_queue_tx,
1099 .bcn = &rt2800pci_queue_bcn,
1100 .lib = &rt2800pci_rt2x00_ops,
Ivo van Doorne7966432010-07-11 12:31:23 +02001101 .drv = &rt2800pci_rt2800_ops,
Helmut Schaae7836192010-07-11 12:28:54 +02001102 .hw = &rt2800pci_mac80211_ops,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001103#ifdef CONFIG_RT2X00_LIB_DEBUGFS
Gertjan van Wingerde04d03622009-11-23 22:44:51 +01001104 .debugfs = &rt2800_rt2x00debug,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001105#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1106};
1107
1108/*
1109 * RT2800pci module information.
1110 */
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001111#ifdef CONFIG_PCI
Alexey Dobriyana3aa1882010-01-07 11:58:11 +00001112static DEFINE_PCI_DEVICE_TABLE(rt2800pci_device_table) = {
Gertjan van Wingerdee01ae272011-04-18 15:32:13 +02001113 { PCI_DEVICE(0x1814, 0x0601) },
1114 { PCI_DEVICE(0x1814, 0x0681) },
1115 { PCI_DEVICE(0x1814, 0x0701) },
1116 { PCI_DEVICE(0x1814, 0x0781) },
1117 { PCI_DEVICE(0x1814, 0x3090) },
1118 { PCI_DEVICE(0x1814, 0x3091) },
1119 { PCI_DEVICE(0x1814, 0x3092) },
1120 { PCI_DEVICE(0x1432, 0x7708) },
1121 { PCI_DEVICE(0x1432, 0x7727) },
1122 { PCI_DEVICE(0x1432, 0x7728) },
1123 { PCI_DEVICE(0x1432, 0x7738) },
1124 { PCI_DEVICE(0x1432, 0x7748) },
1125 { PCI_DEVICE(0x1432, 0x7758) },
1126 { PCI_DEVICE(0x1432, 0x7768) },
1127 { PCI_DEVICE(0x1462, 0x891a) },
1128 { PCI_DEVICE(0x1a3b, 0x1059) },
Woody Hunga89534e2012-06-13 15:01:16 +08001129#ifdef CONFIG_RT2800PCI_RT3290
1130 { PCI_DEVICE(0x1814, 0x3290) },
1131#endif
Gertjan van Wingerdef93bc9b2010-11-13 19:09:50 +01001132#ifdef CONFIG_RT2800PCI_RT33XX
Gertjan van Wingerdee01ae272011-04-18 15:32:13 +02001133 { PCI_DEVICE(0x1814, 0x3390) },
Gertjan van Wingerdef93bc9b2010-11-13 19:09:50 +01001134#endif
Gertjan van Wingerdede1ebdc2010-02-14 12:52:05 +01001135#ifdef CONFIG_RT2800PCI_RT35XX
Gertjan van Wingerdee01ae272011-04-18 15:32:13 +02001136 { PCI_DEVICE(0x1432, 0x7711) },
1137 { PCI_DEVICE(0x1432, 0x7722) },
1138 { PCI_DEVICE(0x1814, 0x3060) },
1139 { PCI_DEVICE(0x1814, 0x3062) },
1140 { PCI_DEVICE(0x1814, 0x3562) },
1141 { PCI_DEVICE(0x1814, 0x3592) },
1142 { PCI_DEVICE(0x1814, 0x3593) },
Gertjan van Wingerdede1ebdc2010-02-14 12:52:05 +01001143#endif
RA-Shiang Tu60687ba2011-02-20 13:57:46 +01001144#ifdef CONFIG_RT2800PCI_RT53XX
villacis@palosanto.comccf91bd2012-05-16 21:07:12 +02001145 { PCI_DEVICE(0x1814, 0x5360) },
Xose Vazquez Perezf57d7b62012-04-14 23:33:21 +02001146 { PCI_DEVICE(0x1814, 0x5362) },
Gertjan van Wingerdee01ae272011-04-18 15:32:13 +02001147 { PCI_DEVICE(0x1814, 0x5390) },
Xose Vazquez Perezf57d7b62012-04-14 23:33:21 +02001148 { PCI_DEVICE(0x1814, 0x5392) },
zero.lin5126d972011-08-31 20:43:52 +02001149 { PCI_DEVICE(0x1814, 0x539a) },
Zero.Lin2aed6912012-05-10 10:06:31 +08001150 { PCI_DEVICE(0x1814, 0x539b) },
Gertjan van Wingerde71e0b382011-07-06 22:58:55 +02001151 { PCI_DEVICE(0x1814, 0x539f) },
RA-Shiang Tu60687ba2011-02-20 13:57:46 +01001152#endif
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001153 { 0, }
1154};
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001155#endif /* CONFIG_PCI */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001156
1157MODULE_AUTHOR(DRV_PROJECT);
1158MODULE_VERSION(DRV_VERSION);
1159MODULE_DESCRIPTION("Ralink RT2800 PCI & PCMCIA Wireless LAN driver.");
1160MODULE_SUPPORTED_DEVICE("Ralink RT2860 PCI & PCMCIA chipset based cards");
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001161#ifdef CONFIG_PCI
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001162MODULE_FIRMWARE(FIRMWARE_RT2860);
1163MODULE_DEVICE_TABLE(pci, rt2800pci_device_table);
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001164#endif /* CONFIG_PCI */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001165MODULE_LICENSE("GPL");
1166
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001167#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X)
Gertjan van Wingerde714fa662010-02-13 20:55:48 +01001168static int rt2800soc_probe(struct platform_device *pdev)
1169{
Helmut Schaa6e93d712010-03-02 16:34:49 +01001170 return rt2x00soc_probe(pdev, &rt2800pci_ops);
Gertjan van Wingerde714fa662010-02-13 20:55:48 +01001171}
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001172
1173static struct platform_driver rt2800soc_driver = {
1174 .driver = {
1175 .name = "rt2800_wmac",
1176 .owner = THIS_MODULE,
1177 .mod_name = KBUILD_MODNAME,
1178 },
Gertjan van Wingerde714fa662010-02-13 20:55:48 +01001179 .probe = rt2800soc_probe,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001180 .remove = __devexit_p(rt2x00soc_remove),
1181 .suspend = rt2x00soc_suspend,
1182 .resume = rt2x00soc_resume,
1183};
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001184#endif /* CONFIG_RALINK_RT288X || CONFIG_RALINK_RT305X */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001185
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001186#ifdef CONFIG_PCI
Gertjan van Wingerdee01ae272011-04-18 15:32:13 +02001187static int rt2800pci_probe(struct pci_dev *pci_dev,
1188 const struct pci_device_id *id)
1189{
1190 return rt2x00pci_probe(pci_dev, &rt2800pci_ops);
1191}
1192
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001193static struct pci_driver rt2800pci_driver = {
1194 .name = KBUILD_MODNAME,
1195 .id_table = rt2800pci_device_table,
Gertjan van Wingerdee01ae272011-04-18 15:32:13 +02001196 .probe = rt2800pci_probe,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001197 .remove = __devexit_p(rt2x00pci_remove),
1198 .suspend = rt2x00pci_suspend,
1199 .resume = rt2x00pci_resume,
1200};
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001201#endif /* CONFIG_PCI */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001202
1203static int __init rt2800pci_init(void)
1204{
1205 int ret = 0;
1206
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001207#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001208 ret = platform_driver_register(&rt2800soc_driver);
1209 if (ret)
1210 return ret;
1211#endif
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001212#ifdef CONFIG_PCI
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001213 ret = pci_register_driver(&rt2800pci_driver);
1214 if (ret) {
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001215#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001216 platform_driver_unregister(&rt2800soc_driver);
1217#endif
1218 return ret;
1219 }
1220#endif
1221
1222 return ret;
1223}
1224
1225static void __exit rt2800pci_exit(void)
1226{
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001227#ifdef CONFIG_PCI
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001228 pci_unregister_driver(&rt2800pci_driver);
1229#endif
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001230#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001231 platform_driver_unregister(&rt2800soc_driver);
1232#endif
1233}
1234
1235module_init(rt2800pci_init);
1236module_exit(rt2800pci_exit);