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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"
Gabor Juhos69a2bac2013-03-29 15:52:27 +010044#include "rt2x00mmio.h"
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020045#include "rt2x00pci.h"
46#include "rt2x00soc.h"
Bartlomiej Zolnierkiewicz7ef5cc92009-11-04 18:35:32 +010047#include "rt2800lib.h"
Bartlomiej Zolnierkiewiczb54f78a2009-11-04 18:35:54 +010048#include "rt2800.h"
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020049#include "rt2800pci.h"
50
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020051/*
52 * Allow hardware encryption to be disabled.
53 */
Rusty Russelleb939922011-12-19 14:08:01 +000054static bool modparam_nohwcrypt = false;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020055module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
56MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
57
Gertjan van Wingerdead417a52012-09-03 03:25:51 +020058static bool rt2800pci_hwcrypt_disabled(struct rt2x00_dev *rt2x00dev)
59{
60 return modparam_nohwcrypt;
61}
62
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020063static void rt2800pci_mcu_status(struct rt2x00_dev *rt2x00dev, const u8 token)
64{
65 unsigned int i;
66 u32 reg;
67
Luis Correiaf18d4462010-04-03 12:49:53 +010068 /*
69 * SOC devices don't support MCU requests.
70 */
71 if (rt2x00_is_soc(rt2x00dev))
72 return;
73
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020074 for (i = 0; i < 200; i++) {
Helmut Schaa9a819992011-04-18 15:34:01 +020075 rt2x00pci_register_read(rt2x00dev, H2M_MAILBOX_CID, &reg);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020076
77 if ((rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD0) == token) ||
78 (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD1) == token) ||
79 (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD2) == token) ||
80 (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD3) == token))
81 break;
82
83 udelay(REGISTER_BUSY_DELAY);
84 }
85
86 if (i == 200)
87 ERROR(rt2x00dev, "MCU request failed, no response from hardware\n");
88
Helmut Schaa9a819992011-04-18 15:34:01 +020089 rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
90 rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020091}
92
John Crispin5818a462013-03-13 13:20:15 +010093#if defined(CONFIG_SOC_RT288X) || defined(CONFIG_SOC_RT305X)
Gabor Juhosa02308e2012-12-29 14:51:51 +010094static int rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020095{
Gertjan van Wingerdeef8397c2010-11-13 19:11:22 +010096 void __iomem *base_addr = ioremap(0x1F040000, EEPROM_SIZE);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020097
Gabor Juhosa02308e2012-12-29 14:51:51 +010098 if (!base_addr)
99 return -ENOMEM;
100
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200101 memcpy_fromio(rt2x00dev->eeprom, base_addr, EEPROM_SIZE);
Gertjan van Wingerdeef8397c2010-11-13 19:11:22 +0100102
103 iounmap(base_addr);
Gabor Juhosa02308e2012-12-29 14:51:51 +0100104 return 0;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200105}
106#else
Gabor Juhosa02308e2012-12-29 14:51:51 +0100107static inline int rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200108{
Gabor Juhosa02308e2012-12-29 14:51:51 +0100109 return -ENOMEM;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200110}
John Crispin5818a462013-03-13 13:20:15 +0100111#endif /* CONFIG_SOC_RT288X || CONFIG_SOC_RT305X */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200112
Gertjan van Wingerde72c72962010-11-13 19:10:54 +0100113#ifdef CONFIG_PCI
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200114static void rt2800pci_eepromregister_read(struct eeprom_93cx6 *eeprom)
115{
116 struct rt2x00_dev *rt2x00dev = eeprom->data;
117 u32 reg;
118
Helmut Schaa9a819992011-04-18 15:34:01 +0200119 rt2x00pci_register_read(rt2x00dev, E2PROM_CSR, &reg);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200120
121 eeprom->reg_data_in = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_IN);
122 eeprom->reg_data_out = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_OUT);
123 eeprom->reg_data_clock =
124 !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_CLOCK);
125 eeprom->reg_chip_select =
126 !!rt2x00_get_field32(reg, E2PROM_CSR_CHIP_SELECT);
127}
128
129static void rt2800pci_eepromregister_write(struct eeprom_93cx6 *eeprom)
130{
131 struct rt2x00_dev *rt2x00dev = eeprom->data;
132 u32 reg = 0;
133
134 rt2x00_set_field32(&reg, E2PROM_CSR_DATA_IN, !!eeprom->reg_data_in);
135 rt2x00_set_field32(&reg, E2PROM_CSR_DATA_OUT, !!eeprom->reg_data_out);
136 rt2x00_set_field32(&reg, E2PROM_CSR_DATA_CLOCK,
137 !!eeprom->reg_data_clock);
138 rt2x00_set_field32(&reg, E2PROM_CSR_CHIP_SELECT,
139 !!eeprom->reg_chip_select);
140
Helmut Schaa9a819992011-04-18 15:34:01 +0200141 rt2x00pci_register_write(rt2x00dev, E2PROM_CSR, reg);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200142}
143
Gabor Juhosa02308e2012-12-29 14:51:51 +0100144static int rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200145{
146 struct eeprom_93cx6 eeprom;
147 u32 reg;
148
Helmut Schaa9a819992011-04-18 15:34:01 +0200149 rt2x00pci_register_read(rt2x00dev, E2PROM_CSR, &reg);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200150
151 eeprom.data = rt2x00dev;
152 eeprom.register_read = rt2800pci_eepromregister_read;
153 eeprom.register_write = rt2800pci_eepromregister_write;
Gertjan van Wingerde20f8b132010-06-29 21:44:18 +0200154 switch (rt2x00_get_field32(reg, E2PROM_CSR_TYPE))
155 {
156 case 0:
157 eeprom.width = PCI_EEPROM_WIDTH_93C46;
158 break;
159 case 1:
160 eeprom.width = PCI_EEPROM_WIDTH_93C66;
161 break;
162 default:
163 eeprom.width = PCI_EEPROM_WIDTH_93C86;
164 break;
165 }
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200166 eeprom.reg_data_in = 0;
167 eeprom.reg_data_out = 0;
168 eeprom.reg_data_clock = 0;
169 eeprom.reg_chip_select = 0;
170
171 eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom,
172 EEPROM_SIZE / sizeof(u16));
Gabor Juhosa02308e2012-12-29 14:51:51 +0100173
174 return 0;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200175}
176
Gertjan van Wingerdea6598682009-11-08 12:30:35 +0100177static int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev)
178{
Bartlomiej Zolnierkiewicz30e84032009-11-08 14:39:48 +0100179 return rt2800_efuse_detect(rt2x00dev);
Gertjan van Wingerdea6598682009-11-08 12:30:35 +0100180}
181
Gabor Juhosa02308e2012-12-29 14:51:51 +0100182static inline int rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200183{
Gabor Juhosa02308e2012-12-29 14:51:51 +0100184 return rt2800_read_eeprom_efuse(rt2x00dev);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200185}
186#else
Gabor Juhosa02308e2012-12-29 14:51:51 +0100187static inline int rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200188{
Gabor Juhosa02308e2012-12-29 14:51:51 +0100189 return -EOPNOTSUPP;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200190}
191
Gertjan van Wingerdea6598682009-11-08 12:30:35 +0100192static inline int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev)
193{
194 return 0;
195}
196
Gabor Juhosa02308e2012-12-29 14:51:51 +0100197static inline int rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200198{
Gabor Juhosa02308e2012-12-29 14:51:51 +0100199 return -EOPNOTSUPP;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200200}
Gertjan van Wingerde72c72962010-11-13 19:10:54 +0100201#endif /* CONFIG_PCI */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200202
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200203/*
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100204 * Queue handlers.
205 */
206static void rt2800pci_start_queue(struct data_queue *queue)
207{
208 struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
209 u32 reg;
210
211 switch (queue->qid) {
212 case QID_RX:
Helmut Schaa9a819992011-04-18 15:34:01 +0200213 rt2x00pci_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100214 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200215 rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100216 break;
217 case QID_BEACON:
Helmut Schaa9a819992011-04-18 15:34:01 +0200218 rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100219 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
220 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
221 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200222 rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg);
Helmut Schaa69cf36a2011-01-30 13:16:03 +0100223
Helmut Schaa9a819992011-04-18 15:34:01 +0200224 rt2x00pci_register_read(rt2x00dev, INT_TIMER_EN, &reg);
Helmut Schaa69cf36a2011-01-30 13:16:03 +0100225 rt2x00_set_field32(&reg, INT_TIMER_EN_PRE_TBTT_TIMER, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200226 rt2x00pci_register_write(rt2x00dev, INT_TIMER_EN, reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100227 break;
228 default:
229 break;
Joe Perches6403eab2011-06-03 11:51:20 +0000230 }
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100231}
232
233static void rt2800pci_kick_queue(struct data_queue *queue)
234{
235 struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
236 struct queue_entry *entry;
237
238 switch (queue->qid) {
Ivo van Doornf615e9a2010-12-13 12:36:38 +0100239 case QID_AC_VO:
240 case QID_AC_VI:
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100241 case QID_AC_BE:
242 case QID_AC_BK:
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100243 entry = rt2x00queue_get_entry(queue, Q_INDEX);
Helmut Schaa9a819992011-04-18 15:34:01 +0200244 rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX(queue->qid),
245 entry->entry_idx);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100246 break;
247 case QID_MGMT:
248 entry = rt2x00queue_get_entry(queue, Q_INDEX);
Helmut Schaa9a819992011-04-18 15:34:01 +0200249 rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX(5),
250 entry->entry_idx);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100251 break;
252 default:
253 break;
254 }
255}
256
257static void rt2800pci_stop_queue(struct data_queue *queue)
258{
259 struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
260 u32 reg;
261
262 switch (queue->qid) {
263 case QID_RX:
Helmut Schaa9a819992011-04-18 15:34:01 +0200264 rt2x00pci_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100265 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
Helmut Schaa9a819992011-04-18 15:34:01 +0200266 rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100267 break;
268 case QID_BEACON:
Helmut Schaa9a819992011-04-18 15:34:01 +0200269 rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100270 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
271 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
272 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
Helmut Schaa9a819992011-04-18 15:34:01 +0200273 rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg);
Helmut Schaa69cf36a2011-01-30 13:16:03 +0100274
Helmut Schaa9a819992011-04-18 15:34:01 +0200275 rt2x00pci_register_read(rt2x00dev, INT_TIMER_EN, &reg);
Helmut Schaa69cf36a2011-01-30 13:16:03 +0100276 rt2x00_set_field32(&reg, INT_TIMER_EN_PRE_TBTT_TIMER, 0);
Helmut Schaa9a819992011-04-18 15:34:01 +0200277 rt2x00pci_register_write(rt2x00dev, INT_TIMER_EN, reg);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100278
279 /*
Helmut Schaaabc11992011-08-06 13:13:48 +0200280 * Wait for current invocation to finish. The tasklet
281 * won't be scheduled anymore afterwards since we disabled
282 * the TBTT and PRE TBTT timer.
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100283 */
Helmut Schaaabc11992011-08-06 13:13:48 +0200284 tasklet_kill(&rt2x00dev->tbtt_tasklet);
285 tasklet_kill(&rt2x00dev->pretbtt_tasklet);
286
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100287 break;
288 default:
289 break;
290 }
291}
292
293/*
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200294 * Firmware functions
295 */
296static char *rt2800pci_get_firmware_name(struct rt2x00_dev *rt2x00dev)
297{
Woody Hunga89534e2012-06-13 15:01:16 +0800298 /*
299 * Chip rt3290 use specific 4KB firmware named rt3290.bin.
300 */
301 if (rt2x00_rt(rt2x00dev, RT3290))
302 return FIRMWARE_RT3290;
303 else
304 return FIRMWARE_RT2860;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200305}
306
Ivo van Doornf31c9a82010-07-11 12:30:37 +0200307static int rt2800pci_write_firmware(struct rt2x00_dev *rt2x00dev,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200308 const u8 *data, const size_t len)
309{
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200310 u32 reg;
311
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200312 /*
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200313 * enable Host program ram write selection
314 */
315 reg = 0;
316 rt2x00_set_field32(&reg, PBF_SYS_CTRL_HOST_RAM_WRITE, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200317 rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, reg);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200318
319 /*
320 * Write firmware to device.
321 */
Ivo van Doornd4c838e2011-04-30 17:14:49 +0200322 rt2x00pci_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
323 data, len);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200324
Helmut Schaa9a819992011-04-18 15:34:01 +0200325 rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000);
326 rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200327
Helmut Schaa9a819992011-04-18 15:34:01 +0200328 rt2x00pci_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
329 rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200330
331 return 0;
332}
333
334/*
335 * Initialization functions.
336 */
337static bool rt2800pci_get_entry_state(struct queue_entry *entry)
338{
339 struct queue_entry_priv_pci *entry_priv = entry->priv_data;
340 u32 word;
341
342 if (entry->queue->qid == QID_RX) {
343 rt2x00_desc_read(entry_priv->desc, 1, &word);
344
345 return (!rt2x00_get_field32(word, RXD_W1_DMA_DONE));
346 } else {
347 rt2x00_desc_read(entry_priv->desc, 1, &word);
348
349 return (!rt2x00_get_field32(word, TXD_W1_DMA_DONE));
350 }
351}
352
353static void rt2800pci_clear_entry(struct queue_entry *entry)
354{
355 struct queue_entry_priv_pci *entry_priv = entry->priv_data;
356 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
Helmut Schaa95192332010-10-02 11:29:30 +0200357 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200358 u32 word;
359
360 if (entry->queue->qid == QID_RX) {
361 rt2x00_desc_read(entry_priv->desc, 0, &word);
362 rt2x00_set_field32(&word, RXD_W0_SDP0, skbdesc->skb_dma);
363 rt2x00_desc_write(entry_priv->desc, 0, word);
364
365 rt2x00_desc_read(entry_priv->desc, 1, &word);
366 rt2x00_set_field32(&word, RXD_W1_DMA_DONE, 0);
367 rt2x00_desc_write(entry_priv->desc, 1, word);
Helmut Schaa95192332010-10-02 11:29:30 +0200368
369 /*
370 * Set RX IDX in register to inform hardware that we have
371 * handled this entry and it is available for reuse again.
372 */
Helmut Schaa9a819992011-04-18 15:34:01 +0200373 rt2x00pci_register_write(rt2x00dev, RX_CRX_IDX,
Helmut Schaa95192332010-10-02 11:29:30 +0200374 entry->entry_idx);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200375 } else {
376 rt2x00_desc_read(entry_priv->desc, 1, &word);
377 rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 1);
378 rt2x00_desc_write(entry_priv->desc, 1, word);
379 }
380}
381
382static int rt2800pci_init_queues(struct rt2x00_dev *rt2x00dev)
383{
384 struct queue_entry_priv_pci *entry_priv;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200385
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200386 /*
387 * Initialize registers.
388 */
389 entry_priv = rt2x00dev->tx[0].entries[0].priv_data;
Helmut Schaa9a819992011-04-18 15:34:01 +0200390 rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR0, entry_priv->desc_dma);
391 rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT0,
392 rt2x00dev->tx[0].limit);
393 rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX0, 0);
394 rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX0, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200395
396 entry_priv = rt2x00dev->tx[1].entries[0].priv_data;
Helmut Schaa9a819992011-04-18 15:34:01 +0200397 rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR1, entry_priv->desc_dma);
398 rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT1,
399 rt2x00dev->tx[1].limit);
400 rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX1, 0);
401 rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX1, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200402
403 entry_priv = rt2x00dev->tx[2].entries[0].priv_data;
Helmut Schaa9a819992011-04-18 15:34:01 +0200404 rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR2, entry_priv->desc_dma);
405 rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT2,
406 rt2x00dev->tx[2].limit);
407 rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX2, 0);
408 rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX2, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200409
410 entry_priv = rt2x00dev->tx[3].entries[0].priv_data;
Helmut Schaa9a819992011-04-18 15:34:01 +0200411 rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR3, entry_priv->desc_dma);
412 rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT3,
413 rt2x00dev->tx[3].limit);
414 rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX3, 0);
415 rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX3, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200416
Jakub Kicinski3a4b43f2012-04-03 03:40:50 +0200417 rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR4, 0);
418 rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT4, 0);
419 rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX4, 0);
420 rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX4, 0);
421
422 rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR5, 0);
423 rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT5, 0);
424 rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX5, 0);
425 rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX5, 0);
426
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200427 entry_priv = rt2x00dev->rx->entries[0].priv_data;
Helmut Schaa9a819992011-04-18 15:34:01 +0200428 rt2x00pci_register_write(rt2x00dev, RX_BASE_PTR, entry_priv->desc_dma);
429 rt2x00pci_register_write(rt2x00dev, RX_MAX_CNT,
430 rt2x00dev->rx[0].limit);
431 rt2x00pci_register_write(rt2x00dev, RX_CRX_IDX,
432 rt2x00dev->rx[0].limit - 1);
433 rt2x00pci_register_write(rt2x00dev, RX_DRX_IDX, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200434
Jakub Kicinskif7b395e2012-04-03 03:40:47 +0200435 rt2800_disable_wpdma(rt2x00dev);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200436
Helmut Schaa9a819992011-04-18 15:34:01 +0200437 rt2x00pci_register_write(rt2x00dev, DELAY_INT_CFG, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200438
439 return 0;
440}
441
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200442/*
443 * Device state switch handlers.
444 */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200445static void rt2800pci_toggle_irq(struct rt2x00_dev *rt2x00dev,
446 enum dev_state state)
447{
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200448 u32 reg;
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100449 unsigned long flags;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200450
451 /*
452 * When interrupts are being enabled, the interrupt registers
453 * should clear the register to assure a clean state.
454 */
455 if (state == STATE_RADIO_IRQ_ON) {
Helmut Schaa9a819992011-04-18 15:34:01 +0200456 rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, &reg);
457 rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100458 }
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200459
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100460 spin_lock_irqsave(&rt2x00dev->irqmask_lock, flags);
Stanislaw Gruszkadfd00c42012-01-13 12:59:32 +0100461 reg = 0;
462 if (state == STATE_RADIO_IRQ_ON) {
463 rt2x00_set_field32(&reg, INT_MASK_CSR_RX_DONE, 1);
464 rt2x00_set_field32(&reg, INT_MASK_CSR_TBTT, 1);
465 rt2x00_set_field32(&reg, INT_MASK_CSR_PRE_TBTT, 1);
466 rt2x00_set_field32(&reg, INT_MASK_CSR_TX_FIFO_STATUS, 1);
467 rt2x00_set_field32(&reg, INT_MASK_CSR_AUTO_WAKEUP, 1);
468 }
Helmut Schaa9a819992011-04-18 15:34:01 +0200469 rt2x00pci_register_write(rt2x00dev, INT_MASK_CSR, reg);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100470 spin_unlock_irqrestore(&rt2x00dev->irqmask_lock, flags);
471
472 if (state == STATE_RADIO_IRQ_OFF) {
473 /*
Helmut Schaaabc11992011-08-06 13:13:48 +0200474 * Wait for possibly running tasklets to finish.
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100475 */
Helmut Schaaabc11992011-08-06 13:13:48 +0200476 tasklet_kill(&rt2x00dev->txstatus_tasklet);
477 tasklet_kill(&rt2x00dev->rxdone_tasklet);
478 tasklet_kill(&rt2x00dev->autowake_tasklet);
479 tasklet_kill(&rt2x00dev->tbtt_tasklet);
480 tasklet_kill(&rt2x00dev->pretbtt_tasklet);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100481 }
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200482}
483
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200484static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev)
485{
486 u32 reg;
487
488 /*
489 * Reset DMA indexes
490 */
Helmut Schaa9a819992011-04-18 15:34:01 +0200491 rt2x00pci_register_read(rt2x00dev, WPDMA_RST_IDX, &reg);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200492 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX0, 1);
493 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX1, 1);
494 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX2, 1);
495 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX3, 1);
496 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX4, 1);
497 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX5, 1);
498 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DRX_IDX0, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200499 rt2x00pci_register_write(rt2x00dev, WPDMA_RST_IDX, reg);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200500
Helmut Schaa9a819992011-04-18 15:34:01 +0200501 rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f);
502 rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200503
Gertjan van Wingerde872834d2011-05-18 20:25:31 +0200504 if (rt2x00_is_pcie(rt2x00dev) &&
505 (rt2x00_rt(rt2x00dev, RT3572) ||
John Li2ed71882012-02-17 17:33:06 +0800506 rt2x00_rt(rt2x00dev, RT5390) ||
507 rt2x00_rt(rt2x00dev, RT5392))) {
Helmut Schaa9a819992011-04-18 15:34:01 +0200508 rt2x00pci_register_read(rt2x00dev, AUX_CTRL, &reg);
Gabor Juhosadde5882011-03-03 11:46:45 +0100509 rt2x00_set_field32(&reg, AUX_CTRL_FORCE_PCIE_CLK, 1);
510 rt2x00_set_field32(&reg, AUX_CTRL_WAKE_PCIE_EN, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200511 rt2x00pci_register_write(rt2x00dev, AUX_CTRL, reg);
Gabor Juhosadde5882011-03-03 11:46:45 +0100512 }
RA-Shiang Tu60687ba2011-02-20 13:57:46 +0100513
Helmut Schaa9a819992011-04-18 15:34:01 +0200514 rt2x00pci_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200515
Stanislaw Gruszka2a48e8a2012-01-24 14:09:08 +0100516 reg = 0;
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200517 rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
518 rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200519 rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200520
Helmut Schaa9a819992011-04-18 15:34:01 +0200521 rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200522
523 return 0;
524}
525
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200526static int rt2800pci_enable_radio(struct rt2x00_dev *rt2x00dev)
527{
Jakub Kicinskie8b461c2012-02-22 21:58:58 +0100528 int retval;
529
Jakub Kicinski52b82432012-04-03 03:40:49 +0200530 /* Wait for DMA, ignore error until we initialize queues. */
531 rt2800_wait_wpdma_ready(rt2x00dev);
532
533 if (unlikely(rt2800pci_init_queues(rt2x00dev)))
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200534 return -EIO;
535
Jakub Kicinskie8b461c2012-02-22 21:58:58 +0100536 retval = rt2800_enable_radio(rt2x00dev);
537 if (retval)
538 return retval;
539
540 /* After resume MCU_BOOT_SIGNAL will trash these. */
541 rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
542 rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
543
544 rt2800_mcu_request(rt2x00dev, MCU_SLEEP, TOKEN_RADIO_OFF, 0xff, 0x02);
545 rt2800pci_mcu_status(rt2x00dev, TOKEN_RADIO_OFF);
546
547 rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKEUP, 0, 0);
548 rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKEUP);
549
550 return retval;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200551}
552
553static void rt2800pci_disable_radio(struct rt2x00_dev *rt2x00dev)
554{
RA-Jay Hung7f6e1442011-01-10 11:27:43 +0100555 if (rt2x00_is_soc(rt2x00dev)) {
556 rt2800_disable_radio(rt2x00dev);
Helmut Schaa9a819992011-04-18 15:34:01 +0200557 rt2x00pci_register_write(rt2x00dev, PWR_PIN_CFG, 0);
558 rt2x00pci_register_write(rt2x00dev, TX_PIN_CFG, 0);
RA-Jay Hung7f6e1442011-01-10 11:27:43 +0100559 }
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200560}
561
562static int rt2800pci_set_state(struct rt2x00_dev *rt2x00dev,
563 enum dev_state state)
564{
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200565 if (state == STATE_AWAKE) {
Jakub Kicinski09a33112012-02-22 21:58:57 +0100566 rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKEUP,
567 0, 0x02);
568 rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKEUP);
RA-Jay Hung7f6e1442011-01-10 11:27:43 +0100569 } else if (state == STATE_SLEEP) {
Helmut Schaa9a819992011-04-18 15:34:01 +0200570 rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_STATUS,
571 0xffffffff);
572 rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CID,
573 0xffffffff);
Jakub Kicinski09a33112012-02-22 21:58:57 +0100574 rt2800_mcu_request(rt2x00dev, MCU_SLEEP, TOKEN_SLEEP,
575 0xff, 0x01);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200576 }
577
578 return 0;
579}
580
581static int rt2800pci_set_device_state(struct rt2x00_dev *rt2x00dev,
582 enum dev_state state)
583{
584 int retval = 0;
585
586 switch (state) {
587 case STATE_RADIO_ON:
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200588 retval = rt2800pci_enable_radio(rt2x00dev);
589 break;
590 case STATE_RADIO_OFF:
591 /*
592 * After the radio has been disabled, the device should
593 * be put to sleep for powersaving.
594 */
595 rt2800pci_disable_radio(rt2x00dev);
596 rt2800pci_set_state(rt2x00dev, STATE_SLEEP);
597 break;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200598 case STATE_RADIO_IRQ_ON:
599 case STATE_RADIO_IRQ_OFF:
600 rt2800pci_toggle_irq(rt2x00dev, state);
601 break;
602 case STATE_DEEP_SLEEP:
603 case STATE_SLEEP:
604 case STATE_STANDBY:
605 case STATE_AWAKE:
606 retval = rt2800pci_set_state(rt2x00dev, state);
607 break;
608 default:
609 retval = -ENOTSUPP;
610 break;
611 }
612
613 if (unlikely(retval))
614 ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
615 state, retval);
616
617 return retval;
618}
619
620/*
621 * TX descriptor initialization
622 */
Ivo van Doorn0c5879b2010-08-06 20:47:20 +0200623static __le32 *rt2800pci_get_txwi(struct queue_entry *entry)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200624{
Ivo van Doorn0c5879b2010-08-06 20:47:20 +0200625 return (__le32 *) entry->skb->data;
Helmut Schaa745b1ae2010-04-15 09:13:35 +0200626}
627
Ivo van Doorn93331452010-08-23 19:53:39 +0200628static void rt2800pci_write_tx_desc(struct queue_entry *entry,
Helmut Schaa745b1ae2010-04-15 09:13:35 +0200629 struct txentry_desc *txdesc)
630{
Ivo van Doorn93331452010-08-23 19:53:39 +0200631 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
632 struct queue_entry_priv_pci *entry_priv = entry->priv_data;
Gertjan van Wingerde85b7a8b2010-05-11 23:51:40 +0200633 __le32 *txd = entry_priv->desc;
Helmut Schaa745b1ae2010-04-15 09:13:35 +0200634 u32 word;
635
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200636 /*
637 * The buffers pointed by SD_PTR0/SD_LEN0 and SD_PTR1/SD_LEN1
638 * must contains a TXWI structure + 802.11 header + padding + 802.11
639 * data. We choose to have SD_PTR0/SD_LEN0 only contains TXWI and
640 * SD_PTR1/SD_LEN1 contains 802.11 header + padding + 802.11
641 * data. It means that LAST_SEC0 is always 0.
642 */
643
644 /*
645 * Initialize TX descriptor
646 */
Helmut Schaa3de3d962011-09-07 20:11:26 +0200647 word = 0;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200648 rt2x00_set_field32(&word, TXD_W0_SD_PTR0, skbdesc->skb_dma);
649 rt2x00_desc_write(txd, 0, word);
650
Helmut Schaa3de3d962011-09-07 20:11:26 +0200651 word = 0;
Ivo van Doorn93331452010-08-23 19:53:39 +0200652 rt2x00_set_field32(&word, TXD_W1_SD_LEN1, entry->skb->len);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200653 rt2x00_set_field32(&word, TXD_W1_LAST_SEC1,
654 !test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
655 rt2x00_set_field32(&word, TXD_W1_BURST,
656 test_bit(ENTRY_TXD_BURST, &txdesc->flags));
Gertjan van Wingerde85b7a8b2010-05-11 23:51:40 +0200657 rt2x00_set_field32(&word, TXD_W1_SD_LEN0, TXWI_DESC_SIZE);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200658 rt2x00_set_field32(&word, TXD_W1_LAST_SEC0, 0);
659 rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 0);
660 rt2x00_desc_write(txd, 1, word);
661
Helmut Schaa3de3d962011-09-07 20:11:26 +0200662 word = 0;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200663 rt2x00_set_field32(&word, TXD_W2_SD_PTR1,
Gertjan van Wingerde85b7a8b2010-05-11 23:51:40 +0200664 skbdesc->skb_dma + TXWI_DESC_SIZE);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200665 rt2x00_desc_write(txd, 2, word);
666
Helmut Schaa3de3d962011-09-07 20:11:26 +0200667 word = 0;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200668 rt2x00_set_field32(&word, TXD_W3_WIV,
669 !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
670 rt2x00_set_field32(&word, TXD_W3_QSEL, 2);
671 rt2x00_desc_write(txd, 3, word);
Gertjan van Wingerde85b7a8b2010-05-11 23:51:40 +0200672
673 /*
674 * Register descriptor details in skb frame descriptor.
675 */
676 skbdesc->desc = txd;
677 skbdesc->desc_len = TXD_DESC_SIZE;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200678}
679
680/*
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200681 * RX control handlers
682 */
683static void rt2800pci_fill_rxdone(struct queue_entry *entry,
684 struct rxdone_entry_desc *rxdesc)
685{
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200686 struct queue_entry_priv_pci *entry_priv = entry->priv_data;
687 __le32 *rxd = entry_priv->desc;
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200688 u32 word;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200689
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200690 rt2x00_desc_read(rxd, 3, &word);
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_CRC_ERROR))
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200693 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
694
Gertjan van Wingerde78b8f3b2010-05-08 23:40:20 +0200695 /*
696 * Unfortunately we don't know the cipher type used during
697 * decryption. This prevents us from correct providing
698 * correct statistics through debugfs.
699 */
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200700 rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W3_CIPHER_ERROR);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200701
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200702 if (rt2x00_get_field32(word, RXD_W3_DECRYPTED)) {
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200703 /*
704 * Hardware has stripped IV/EIV data from 802.11 frame during
705 * decryption. Unfortunately the descriptor doesn't contain
706 * any fields with the EIV/IV data either, so they can't
707 * be restored by rt2x00lib.
708 */
709 rxdesc->flags |= RX_FLAG_IV_STRIPPED;
710
Gertjan van Wingerdea45f3692011-01-30 13:22:41 +0100711 /*
712 * The hardware has already checked the Michael Mic and has
713 * stripped it from the frame. Signal this to mac80211.
714 */
715 rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
716
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200717 if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
718 rxdesc->flags |= RX_FLAG_DECRYPTED;
719 else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
720 rxdesc->flags |= RX_FLAG_MMIC_ERROR;
721 }
722
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200723 if (rt2x00_get_field32(word, RXD_W3_MY_BSS))
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200724 rxdesc->dev_flags |= RXDONE_MY_BSS;
725
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200726 if (rt2x00_get_field32(word, RXD_W3_L2PAD))
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200727 rxdesc->dev_flags |= RXDONE_L2PAD;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200728
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200729 /*
Gertjan van Wingerde2de64dd2010-05-08 23:40:22 +0200730 * Process the RXWI structure that is at the start of the buffer.
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200731 */
Ivo van Doorn74861922010-07-11 12:23:50 +0200732 rt2800_process_rxwi(entry, rxdesc);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200733}
734
735/*
736 * Interrupt functions.
737 */
Gertjan van Wingerde4d66edc2010-03-30 23:50:26 +0200738static void rt2800pci_wakeup(struct rt2x00_dev *rt2x00dev)
739{
740 struct ieee80211_conf conf = { .flags = 0 };
741 struct rt2x00lib_conf libconf = { .conf = &conf };
742
743 rt2800_config(rt2x00dev, &libconf, IEEE80211_CONF_CHANGE_PS);
744}
745
Helmut Schaa2e7798b2011-03-28 13:30:09 +0200746static bool rt2800pci_txdone(struct rt2x00_dev *rt2x00dev)
Helmut Schaa96c3da72010-10-02 11:27:35 +0200747{
748 struct data_queue *queue;
749 struct queue_entry *entry;
750 u32 status;
751 u8 qid;
Helmut Schaa2e7798b2011-03-28 13:30:09 +0200752 int max_tx_done = 16;
Helmut Schaa96c3da72010-10-02 11:27:35 +0200753
Johannes Stezenbachc4d63242010-12-27 15:04:29 +0100754 while (kfifo_get(&rt2x00dev->txstatus_fifo, &status)) {
Helmut Schaa12eec2c2010-10-09 13:35:48 +0200755 qid = rt2x00_get_field32(status, TX_STA_FIFO_PID_QUEUE);
Helmut Schaa87443e82011-03-03 19:39:27 +0100756 if (unlikely(qid >= QID_RX)) {
Helmut Schaa96c3da72010-10-02 11:27:35 +0200757 /*
758 * Unknown queue, this shouldn't happen. Just drop
759 * this tx status.
760 */
761 WARNING(rt2x00dev, "Got TX status report with "
Johannes Stezenbach094a1d92010-12-13 12:34:00 +0100762 "unexpected pid %u, dropping\n", qid);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200763 break;
764 }
765
Helmut Schaa11f818e2011-03-03 19:38:55 +0100766 queue = rt2x00queue_get_tx_queue(rt2x00dev, qid);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200767 if (unlikely(queue == NULL)) {
768 /*
769 * The queue is NULL, this shouldn't happen. Stop
770 * processing here and drop the tx status
771 */
772 WARNING(rt2x00dev, "Got TX status for an unavailable "
Johannes Stezenbach094a1d92010-12-13 12:34:00 +0100773 "queue %u, dropping\n", qid);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200774 break;
775 }
776
Helmut Schaa87443e82011-03-03 19:39:27 +0100777 if (unlikely(rt2x00queue_empty(queue))) {
Helmut Schaa96c3da72010-10-02 11:27:35 +0200778 /*
779 * The queue is empty. Stop processing here
780 * and drop the tx status.
781 */
782 WARNING(rt2x00dev, "Got TX status for an empty "
Johannes Stezenbach094a1d92010-12-13 12:34:00 +0100783 "queue %u, dropping\n", qid);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200784 break;
785 }
786
787 entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
Helmut Schaa31937c42011-09-07 20:10:02 +0200788 rt2800_txdone_entry(entry, status, rt2800pci_get_txwi(entry));
Helmut Schaa2e7798b2011-03-28 13:30:09 +0200789
790 if (--max_tx_done == 0)
791 break;
Helmut Schaa96c3da72010-10-02 11:27:35 +0200792 }
Helmut Schaa2e7798b2011-03-28 13:30:09 +0200793
794 return !max_tx_done;
Helmut Schaa96c3da72010-10-02 11:27:35 +0200795}
796
Helmut Schaa7a5a6812011-04-18 15:31:31 +0200797static inline void rt2800pci_enable_interrupt(struct rt2x00_dev *rt2x00dev,
798 struct rt2x00_field32 irq_field)
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100799{
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100800 u32 reg;
801
802 /*
803 * Enable a single interrupt. The interrupt mask register
804 * access needs locking.
805 */
Helmut Schaa0aa13b22011-03-03 19:45:16 +0100806 spin_lock_irq(&rt2x00dev->irqmask_lock);
Helmut Schaa9a819992011-04-18 15:34:01 +0200807 rt2x00pci_register_read(rt2x00dev, INT_MASK_CSR, &reg);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100808 rt2x00_set_field32(&reg, irq_field, 1);
Helmut Schaa9a819992011-04-18 15:34:01 +0200809 rt2x00pci_register_write(rt2x00dev, INT_MASK_CSR, reg);
Helmut Schaa0aa13b22011-03-03 19:45:16 +0100810 spin_unlock_irq(&rt2x00dev->irqmask_lock);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100811}
812
Helmut Schaa96c3da72010-10-02 11:27:35 +0200813static void rt2800pci_txstatus_tasklet(unsigned long data)
814{
Helmut Schaa2e7798b2011-03-28 13:30:09 +0200815 struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
816 if (rt2800pci_txdone(rt2x00dev))
817 tasklet_schedule(&rt2x00dev->txstatus_tasklet);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100818
819 /*
820 * No need to enable the tx status interrupt here as we always
821 * leave it enabled to minimize the possibility of a tx status
822 * register overflow. See comment in interrupt handler.
823 */
Helmut Schaa96c3da72010-10-02 11:27:35 +0200824}
825
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100826static void rt2800pci_pretbtt_tasklet(unsigned long data)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200827{
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100828 struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
829 rt2x00lib_pretbtt(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_PRE_TBTT);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100832}
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200833
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100834static void rt2800pci_tbtt_tasklet(unsigned long data)
835{
836 struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
Helmut Schaa290d6082012-03-09 15:31:50 +0100837 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
838 u32 reg;
839
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100840 rt2x00lib_beacondone(rt2x00dev);
Helmut Schaa290d6082012-03-09 15:31:50 +0100841
842 if (rt2x00dev->intf_ap_count) {
843 /*
844 * The rt2800pci hardware tbtt timer is off by 1us per tbtt
845 * causing beacon skew and as a result causing problems with
846 * some powersaving clients over time. Shorten the beacon
847 * interval every 64 beacons by 64us to mitigate this effect.
848 */
849 if (drv_data->tbtt_tick == (BCN_TBTT_OFFSET - 2)) {
850 rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
851 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL,
852 (rt2x00dev->beacon_int * 16) - 1);
853 rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg);
854 } else if (drv_data->tbtt_tick == (BCN_TBTT_OFFSET - 1)) {
855 rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
856 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL,
857 (rt2x00dev->beacon_int * 16));
858 rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg);
859 }
860 drv_data->tbtt_tick++;
861 drv_data->tbtt_tick %= BCN_TBTT_OFFSET;
862 }
863
Helmut Schaaabc11992011-08-06 13:13:48 +0200864 if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
865 rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_TBTT);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100866}
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200867
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100868static void rt2800pci_rxdone_tasklet(unsigned long data)
869{
870 struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
Helmut Schaa16638932011-03-28 13:29:44 +0200871 if (rt2x00pci_rxdone(rt2x00dev))
872 tasklet_schedule(&rt2x00dev->rxdone_tasklet);
Helmut Schaaabc11992011-08-06 13:13:48 +0200873 else if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
Helmut Schaa16638932011-03-28 13:29:44 +0200874 rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_RX_DONE);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100875}
Helmut Schaaad903192010-06-29 21:46:43 +0200876
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100877static void rt2800pci_autowake_tasklet(unsigned long data)
878{
879 struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
880 rt2800pci_wakeup(rt2x00dev);
Helmut Schaaabc11992011-08-06 13:13:48 +0200881 if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
882 rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_AUTO_WAKEUP);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200883}
884
Helmut Schaa96c3da72010-10-02 11:27:35 +0200885static void rt2800pci_txstatus_interrupt(struct rt2x00_dev *rt2x00dev)
886{
887 u32 status;
888 int i;
889
890 /*
891 * The TX_FIFO_STATUS interrupt needs special care. We should
892 * read TX_STA_FIFO but we should do it immediately as otherwise
893 * the register can overflow and we would lose status reports.
894 *
895 * Hence, read the TX_STA_FIFO register and copy all tx status
896 * reports into a kernel FIFO which is handled in the txstatus
897 * tasklet. We use a tasklet to process the tx status reports
898 * because we can schedule the tasklet multiple times (when the
899 * interrupt fires again during tx status processing).
900 *
901 * Furthermore we don't disable the TX_FIFO_STATUS
902 * interrupt here but leave it enabled so that the TX_STA_FIFO
Helmut Schaa3736fe52011-03-03 19:45:39 +0100903 * can also be read while the tx status tasklet gets executed.
Helmut Schaa96c3da72010-10-02 11:27:35 +0200904 *
905 * Since we have only one producer and one consumer we don't
906 * need to lock the kfifo.
907 */
Helmut Schaaefd2f272010-11-04 20:37:22 +0100908 for (i = 0; i < rt2x00dev->ops->tx->entry_num; i++) {
Helmut Schaa9a819992011-04-18 15:34:01 +0200909 rt2x00pci_register_read(rt2x00dev, TX_STA_FIFO, &status);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200910
911 if (!rt2x00_get_field32(status, TX_STA_FIFO_VALID))
912 break;
913
Johannes Stezenbachc4d63242010-12-27 15:04:29 +0100914 if (!kfifo_put(&rt2x00dev->txstatus_fifo, &status)) {
Helmut Schaa96c3da72010-10-02 11:27:35 +0200915 WARNING(rt2x00dev, "TX status FIFO overrun,"
916 "drop tx status report.\n");
917 break;
918 }
919 }
920
921 /* Schedule the tasklet for processing the tx status. */
922 tasklet_schedule(&rt2x00dev->txstatus_tasklet);
923}
924
Helmut Schaa78e256c2010-07-11 12:26:48 +0200925static irqreturn_t rt2800pci_interrupt(int irq, void *dev_instance)
926{
927 struct rt2x00_dev *rt2x00dev = dev_instance;
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100928 u32 reg, mask;
Helmut Schaa78e256c2010-07-11 12:26:48 +0200929
930 /* Read status and ACK all interrupts */
Helmut Schaa9a819992011-04-18 15:34:01 +0200931 rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, &reg);
932 rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
Helmut Schaa78e256c2010-07-11 12:26:48 +0200933
934 if (!reg)
935 return IRQ_NONE;
936
937 if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
938 return IRQ_HANDLED;
939
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100940 /*
941 * Since INT_MASK_CSR and INT_SOURCE_CSR use the same bits
942 * for interrupts and interrupt masks we can just use the value of
943 * INT_SOURCE_CSR to create the interrupt mask.
944 */
945 mask = ~reg;
946
947 if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TX_FIFO_STATUS)) {
Helmut Schaa96c3da72010-10-02 11:27:35 +0200948 rt2800pci_txstatus_interrupt(rt2x00dev);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200949 /*
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100950 * Never disable the TX_FIFO_STATUS interrupt.
Helmut Schaa96c3da72010-10-02 11:27:35 +0200951 */
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100952 rt2x00_set_field32(&mask, INT_MASK_CSR_TX_FIFO_STATUS, 1);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200953 }
954
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100955 if (rt2x00_get_field32(reg, INT_SOURCE_CSR_PRE_TBTT))
956 tasklet_hi_schedule(&rt2x00dev->pretbtt_tasklet);
957
958 if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TBTT))
959 tasklet_hi_schedule(&rt2x00dev->tbtt_tasklet);
960
961 if (rt2x00_get_field32(reg, INT_SOURCE_CSR_RX_DONE))
962 tasklet_schedule(&rt2x00dev->rxdone_tasklet);
963
964 if (rt2x00_get_field32(reg, INT_SOURCE_CSR_AUTO_WAKEUP))
965 tasklet_schedule(&rt2x00dev->autowake_tasklet);
966
967 /*
968 * Disable all interrupts for which a tasklet was scheduled right now,
969 * the tasklet will reenable the appropriate interrupts.
970 */
Helmut Schaa0aa13b22011-03-03 19:45:16 +0100971 spin_lock(&rt2x00dev->irqmask_lock);
Helmut Schaa9a819992011-04-18 15:34:01 +0200972 rt2x00pci_register_read(rt2x00dev, INT_MASK_CSR, &reg);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100973 reg &= mask;
Helmut Schaa9a819992011-04-18 15:34:01 +0200974 rt2x00pci_register_write(rt2x00dev, INT_MASK_CSR, reg);
Helmut Schaa0aa13b22011-03-03 19:45:16 +0100975 spin_unlock(&rt2x00dev->irqmask_lock);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100976
977 return IRQ_HANDLED;
Helmut Schaa78e256c2010-07-11 12:26:48 +0200978}
979
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200980/*
981 * Device probe functions.
982 */
Gabor Juhosa02308e2012-12-29 14:51:51 +0100983static int rt2800pci_read_eeprom(struct rt2x00_dev *rt2x00dev)
Bartlomiej Zolnierkiewicz7ab71322009-11-08 14:38:54 +0100984{
Gabor Juhosa02308e2012-12-29 14:51:51 +0100985 int retval;
986
Gertjan van Wingerdecea90e52010-02-13 20:55:47 +0100987 if (rt2x00_is_soc(rt2x00dev))
Gabor Juhosa02308e2012-12-29 14:51:51 +0100988 retval = rt2800pci_read_eeprom_soc(rt2x00dev);
Gertjan van Wingerdecea90e52010-02-13 20:55:47 +0100989 else if (rt2800pci_efuse_detect(rt2x00dev))
Gabor Juhosa02308e2012-12-29 14:51:51 +0100990 retval = rt2800pci_read_eeprom_efuse(rt2x00dev);
Gertjan van Wingerdecea90e52010-02-13 20:55:47 +0100991 else
Gabor Juhosa02308e2012-12-29 14:51:51 +0100992 retval = rt2800pci_read_eeprom_pci(rt2x00dev);
993
994 return retval;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200995}
996
Helmut Schaae7836192010-07-11 12:28:54 +0200997static const struct ieee80211_ops rt2800pci_mac80211_ops = {
998 .tx = rt2x00mac_tx,
999 .start = rt2x00mac_start,
1000 .stop = rt2x00mac_stop,
1001 .add_interface = rt2x00mac_add_interface,
1002 .remove_interface = rt2x00mac_remove_interface,
1003 .config = rt2x00mac_config,
1004 .configure_filter = rt2x00mac_configure_filter,
Helmut Schaae7836192010-07-11 12:28:54 +02001005 .set_key = rt2x00mac_set_key,
1006 .sw_scan_start = rt2x00mac_sw_scan_start,
1007 .sw_scan_complete = rt2x00mac_sw_scan_complete,
1008 .get_stats = rt2x00mac_get_stats,
1009 .get_tkip_seq = rt2800_get_tkip_seq,
1010 .set_rts_threshold = rt2800_set_rts_threshold,
Helmut Schaaa2b13282011-09-08 14:38:01 +02001011 .sta_add = rt2x00mac_sta_add,
1012 .sta_remove = rt2x00mac_sta_remove,
Helmut Schaae7836192010-07-11 12:28:54 +02001013 .bss_info_changed = rt2x00mac_bss_info_changed,
1014 .conf_tx = rt2800_conf_tx,
1015 .get_tsf = rt2800_get_tsf,
1016 .rfkill_poll = rt2x00mac_rfkill_poll,
1017 .ampdu_action = rt2800_ampdu_action,
Ivo van Doornf44df182010-11-04 20:40:11 +01001018 .flush = rt2x00mac_flush,
Helmut Schaa977206d2010-12-13 12:31:58 +01001019 .get_survey = rt2800_get_survey,
Ivo van Doorne7dee442011-04-18 15:34:41 +02001020 .get_ringparam = rt2x00mac_get_ringparam,
Gertjan van Wingerde5f0dd292011-07-06 23:00:21 +02001021 .tx_frames_pending = rt2x00mac_tx_frames_pending,
Helmut Schaae7836192010-07-11 12:28:54 +02001022};
1023
Ivo van Doorne7966432010-07-11 12:31:23 +02001024static const struct rt2800_ops rt2800pci_rt2800_ops = {
1025 .register_read = rt2x00pci_register_read,
1026 .register_read_lock = rt2x00pci_register_read, /* same for PCI */
1027 .register_write = rt2x00pci_register_write,
1028 .register_write_lock = rt2x00pci_register_write, /* same for PCI */
1029 .register_multiread = rt2x00pci_register_multiread,
1030 .register_multiwrite = rt2x00pci_register_multiwrite,
1031 .regbusy_read = rt2x00pci_regbusy_read,
Gertjan van Wingerdead417a52012-09-03 03:25:51 +02001032 .read_eeprom = rt2800pci_read_eeprom,
1033 .hwcrypt_disabled = rt2800pci_hwcrypt_disabled,
Ivo van Doorne7966432010-07-11 12:31:23 +02001034 .drv_write_firmware = rt2800pci_write_firmware,
1035 .drv_init_registers = rt2800pci_init_registers,
Ivo van Doorn0c5879b2010-08-06 20:47:20 +02001036 .drv_get_txwi = rt2800pci_get_txwi,
Ivo van Doorne7966432010-07-11 12:31:23 +02001037};
1038
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001039static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = {
1040 .irq_handler = rt2800pci_interrupt,
Helmut Schaaa9d61e92011-01-30 13:18:38 +01001041 .txstatus_tasklet = rt2800pci_txstatus_tasklet,
1042 .pretbtt_tasklet = rt2800pci_pretbtt_tasklet,
1043 .tbtt_tasklet = rt2800pci_tbtt_tasklet,
1044 .rxdone_tasklet = rt2800pci_rxdone_tasklet,
1045 .autowake_tasklet = rt2800pci_autowake_tasklet,
Gertjan van Wingerdead417a52012-09-03 03:25:51 +02001046 .probe_hw = rt2800_probe_hw,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001047 .get_firmware_name = rt2800pci_get_firmware_name,
Ivo van Doornf31c9a82010-07-11 12:30:37 +02001048 .check_firmware = rt2800_check_firmware,
1049 .load_firmware = rt2800_load_firmware,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001050 .initialize = rt2x00pci_initialize,
1051 .uninitialize = rt2x00pci_uninitialize,
1052 .get_entry_state = rt2800pci_get_entry_state,
1053 .clear_entry = rt2800pci_clear_entry,
1054 .set_device_state = rt2800pci_set_device_state,
Bartlomiej Zolnierkiewiczf4450612009-11-04 18:36:40 +01001055 .rfkill_poll = rt2800_rfkill_poll,
1056 .link_stats = rt2800_link_stats,
1057 .reset_tuner = rt2800_reset_tuner,
1058 .link_tuner = rt2800_link_tuner,
Helmut Schaa9e33a352011-03-28 13:33:40 +02001059 .gain_calibration = rt2800_gain_calibration,
John Li2e9c43d2012-02-16 21:40:57 +08001060 .vco_calibration = rt2800_vco_calibration,
Ivo van Doorndbba3062010-12-13 12:34:54 +01001061 .start_queue = rt2800pci_start_queue,
1062 .kick_queue = rt2800pci_kick_queue,
1063 .stop_queue = rt2800pci_stop_queue,
Ivo van Doorn152a5992011-04-18 15:31:02 +02001064 .flush_queue = rt2x00pci_flush_queue,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001065 .write_tx_desc = rt2800pci_write_tx_desc,
Ivo van Doorn0c5879b2010-08-06 20:47:20 +02001066 .write_tx_data = rt2800_write_tx_data,
Gertjan van Wingerdef0194b22010-06-03 10:51:53 +02001067 .write_beacon = rt2800_write_beacon,
Helmut Schaa69cf36a2011-01-30 13:16:03 +01001068 .clear_beacon = rt2800_clear_beacon,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001069 .fill_rxdone = rt2800pci_fill_rxdone,
Bartlomiej Zolnierkiewiczf4450612009-11-04 18:36:40 +01001070 .config_shared_key = rt2800_config_shared_key,
1071 .config_pairwise_key = rt2800_config_pairwise_key,
1072 .config_filter = rt2800_config_filter,
1073 .config_intf = rt2800_config_intf,
1074 .config_erp = rt2800_config_erp,
1075 .config_ant = rt2800_config_ant,
1076 .config = rt2800_config,
Helmut Schaaa2b13282011-09-08 14:38:01 +02001077 .sta_add = rt2800_sta_add,
1078 .sta_remove = rt2800_sta_remove,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001079};
1080
1081static const struct data_queue_desc rt2800pci_queue_rx = {
Helmut Schaaefd2f272010-11-04 20:37:22 +01001082 .entry_num = 128,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001083 .data_size = AGGREGATION_SIZE,
1084 .desc_size = RXD_DESC_SIZE,
1085 .priv_size = sizeof(struct queue_entry_priv_pci),
1086};
1087
1088static const struct data_queue_desc rt2800pci_queue_tx = {
Helmut Schaaefd2f272010-11-04 20:37:22 +01001089 .entry_num = 64,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001090 .data_size = AGGREGATION_SIZE,
1091 .desc_size = TXD_DESC_SIZE,
1092 .priv_size = sizeof(struct queue_entry_priv_pci),
1093};
1094
1095static const struct data_queue_desc rt2800pci_queue_bcn = {
Helmut Schaaefd2f272010-11-04 20:37:22 +01001096 .entry_num = 8,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001097 .data_size = 0, /* No DMA required for beacons */
1098 .desc_size = TXWI_DESC_SIZE,
1099 .priv_size = sizeof(struct queue_entry_priv_pci),
1100};
1101
1102static const struct rt2x00_ops rt2800pci_ops = {
Gertjan van Wingerde04d03622009-11-23 22:44:51 +01001103 .name = KBUILD_MODNAME,
Gertjan van Wingerde3a1c0122012-02-06 23:45:07 +01001104 .drv_data_size = sizeof(struct rt2800_drv_data),
Gertjan van Wingerde04d03622009-11-23 22:44:51 +01001105 .max_ap_intf = 8,
1106 .eeprom_size = EEPROM_SIZE,
1107 .rf_size = RF_SIZE,
1108 .tx_queues = NUM_TX_QUEUES,
Gertjan van Wingerdee6218cc2009-11-23 22:44:52 +01001109 .extra_tx_headroom = TXWI_DESC_SIZE,
Gertjan van Wingerde04d03622009-11-23 22:44:51 +01001110 .rx = &rt2800pci_queue_rx,
1111 .tx = &rt2800pci_queue_tx,
1112 .bcn = &rt2800pci_queue_bcn,
1113 .lib = &rt2800pci_rt2x00_ops,
Ivo van Doorne7966432010-07-11 12:31:23 +02001114 .drv = &rt2800pci_rt2800_ops,
Helmut Schaae7836192010-07-11 12:28:54 +02001115 .hw = &rt2800pci_mac80211_ops,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001116#ifdef CONFIG_RT2X00_LIB_DEBUGFS
Gertjan van Wingerde04d03622009-11-23 22:44:51 +01001117 .debugfs = &rt2800_rt2x00debug,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001118#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1119};
1120
1121/*
1122 * RT2800pci module information.
1123 */
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001124#ifdef CONFIG_PCI
Alexey Dobriyana3aa1882010-01-07 11:58:11 +00001125static DEFINE_PCI_DEVICE_TABLE(rt2800pci_device_table) = {
Gertjan van Wingerdee01ae272011-04-18 15:32:13 +02001126 { PCI_DEVICE(0x1814, 0x0601) },
1127 { PCI_DEVICE(0x1814, 0x0681) },
1128 { PCI_DEVICE(0x1814, 0x0701) },
1129 { PCI_DEVICE(0x1814, 0x0781) },
1130 { PCI_DEVICE(0x1814, 0x3090) },
1131 { PCI_DEVICE(0x1814, 0x3091) },
1132 { PCI_DEVICE(0x1814, 0x3092) },
1133 { PCI_DEVICE(0x1432, 0x7708) },
1134 { PCI_DEVICE(0x1432, 0x7727) },
1135 { PCI_DEVICE(0x1432, 0x7728) },
1136 { PCI_DEVICE(0x1432, 0x7738) },
1137 { PCI_DEVICE(0x1432, 0x7748) },
1138 { PCI_DEVICE(0x1432, 0x7758) },
1139 { PCI_DEVICE(0x1432, 0x7768) },
1140 { PCI_DEVICE(0x1462, 0x891a) },
1141 { PCI_DEVICE(0x1a3b, 0x1059) },
Woody Hunga89534e2012-06-13 15:01:16 +08001142#ifdef CONFIG_RT2800PCI_RT3290
1143 { PCI_DEVICE(0x1814, 0x3290) },
1144#endif
Gertjan van Wingerdef93bc9b2010-11-13 19:09:50 +01001145#ifdef CONFIG_RT2800PCI_RT33XX
Gertjan van Wingerdee01ae272011-04-18 15:32:13 +02001146 { PCI_DEVICE(0x1814, 0x3390) },
Gertjan van Wingerdef93bc9b2010-11-13 19:09:50 +01001147#endif
Gertjan van Wingerdede1ebdc2010-02-14 12:52:05 +01001148#ifdef CONFIG_RT2800PCI_RT35XX
Gertjan van Wingerdee01ae272011-04-18 15:32:13 +02001149 { PCI_DEVICE(0x1432, 0x7711) },
1150 { PCI_DEVICE(0x1432, 0x7722) },
1151 { PCI_DEVICE(0x1814, 0x3060) },
1152 { PCI_DEVICE(0x1814, 0x3062) },
1153 { PCI_DEVICE(0x1814, 0x3562) },
1154 { PCI_DEVICE(0x1814, 0x3592) },
1155 { PCI_DEVICE(0x1814, 0x3593) },
Xose Vazquez Perezc4806012013-02-01 14:28:49 +01001156 { PCI_DEVICE(0x1814, 0x359f) },
Gertjan van Wingerdede1ebdc2010-02-14 12:52:05 +01001157#endif
RA-Shiang Tu60687ba2011-02-20 13:57:46 +01001158#ifdef CONFIG_RT2800PCI_RT53XX
villacis@palosanto.comccf91bd2012-05-16 21:07:12 +02001159 { PCI_DEVICE(0x1814, 0x5360) },
Xose Vazquez Perezf57d7b62012-04-14 23:33:21 +02001160 { PCI_DEVICE(0x1814, 0x5362) },
Gertjan van Wingerdee01ae272011-04-18 15:32:13 +02001161 { PCI_DEVICE(0x1814, 0x5390) },
Xose Vazquez Perezf57d7b62012-04-14 23:33:21 +02001162 { PCI_DEVICE(0x1814, 0x5392) },
zero.lin5126d972011-08-31 20:43:52 +02001163 { PCI_DEVICE(0x1814, 0x539a) },
Zero.Lin2aed6912012-05-10 10:06:31 +08001164 { PCI_DEVICE(0x1814, 0x539b) },
Gertjan van Wingerde71e0b382011-07-06 22:58:55 +02001165 { PCI_DEVICE(0x1814, 0x539f) },
RA-Shiang Tu60687ba2011-02-20 13:57:46 +01001166#endif
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001167 { 0, }
1168};
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001169#endif /* CONFIG_PCI */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001170
1171MODULE_AUTHOR(DRV_PROJECT);
1172MODULE_VERSION(DRV_VERSION);
1173MODULE_DESCRIPTION("Ralink RT2800 PCI & PCMCIA Wireless LAN driver.");
1174MODULE_SUPPORTED_DEVICE("Ralink RT2860 PCI & PCMCIA chipset based cards");
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001175#ifdef CONFIG_PCI
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001176MODULE_FIRMWARE(FIRMWARE_RT2860);
1177MODULE_DEVICE_TABLE(pci, rt2800pci_device_table);
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001178#endif /* CONFIG_PCI */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001179MODULE_LICENSE("GPL");
1180
John Crispin5818a462013-03-13 13:20:15 +01001181#if defined(CONFIG_SOC_RT288X) || defined(CONFIG_SOC_RT305X)
Gertjan van Wingerde714fa662010-02-13 20:55:48 +01001182static int rt2800soc_probe(struct platform_device *pdev)
1183{
Helmut Schaa6e93d712010-03-02 16:34:49 +01001184 return rt2x00soc_probe(pdev, &rt2800pci_ops);
Gertjan van Wingerde714fa662010-02-13 20:55:48 +01001185}
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001186
1187static struct platform_driver rt2800soc_driver = {
1188 .driver = {
1189 .name = "rt2800_wmac",
1190 .owner = THIS_MODULE,
1191 .mod_name = KBUILD_MODNAME,
1192 },
Gertjan van Wingerde714fa662010-02-13 20:55:48 +01001193 .probe = rt2800soc_probe,
Bill Pemberton692023592012-12-03 09:56:39 -05001194 .remove = rt2x00soc_remove,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001195 .suspend = rt2x00soc_suspend,
1196 .resume = rt2x00soc_resume,
1197};
John Crispin5818a462013-03-13 13:20:15 +01001198#endif /* CONFIG_SOC_RT288X || CONFIG_SOC_RT305X */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001199
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001200#ifdef CONFIG_PCI
Gertjan van Wingerdee01ae272011-04-18 15:32:13 +02001201static int rt2800pci_probe(struct pci_dev *pci_dev,
1202 const struct pci_device_id *id)
1203{
1204 return rt2x00pci_probe(pci_dev, &rt2800pci_ops);
1205}
1206
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001207static struct pci_driver rt2800pci_driver = {
1208 .name = KBUILD_MODNAME,
1209 .id_table = rt2800pci_device_table,
Gertjan van Wingerdee01ae272011-04-18 15:32:13 +02001210 .probe = rt2800pci_probe,
Bill Pemberton692023592012-12-03 09:56:39 -05001211 .remove = rt2x00pci_remove,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001212 .suspend = rt2x00pci_suspend,
1213 .resume = rt2x00pci_resume,
1214};
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001215#endif /* CONFIG_PCI */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001216
1217static int __init rt2800pci_init(void)
1218{
1219 int ret = 0;
1220
John Crispin5818a462013-03-13 13:20:15 +01001221#if defined(CONFIG_SOC_RT288X) || defined(CONFIG_SOC_RT305X)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001222 ret = platform_driver_register(&rt2800soc_driver);
1223 if (ret)
1224 return ret;
1225#endif
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001226#ifdef CONFIG_PCI
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001227 ret = pci_register_driver(&rt2800pci_driver);
1228 if (ret) {
John Crispin5818a462013-03-13 13:20:15 +01001229#if defined(CONFIG_SOC_RT288X) || defined(CONFIG_SOC_RT305X)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001230 platform_driver_unregister(&rt2800soc_driver);
1231#endif
1232 return ret;
1233 }
1234#endif
1235
1236 return ret;
1237}
1238
1239static void __exit rt2800pci_exit(void)
1240{
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001241#ifdef CONFIG_PCI
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001242 pci_unregister_driver(&rt2800pci_driver);
1243#endif
John Crispin5818a462013-03-13 13:20:15 +01001244#if defined(CONFIG_SOC_RT288X) || defined(CONFIG_SOC_RT305X)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001245 platform_driver_unregister(&rt2800soc_driver);
1246#endif
1247}
1248
1249module_init(rt2800pci_init);
1250module_exit(rt2800pci_exit);