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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"
Gabor Juhos0bc202b2013-10-17 09:42:17 +020048#include "rt2800mmio.h"
Bartlomiej Zolnierkiewiczb54f78a2009-11-04 18:35:54 +010049#include "rt2800.h"
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020050#include "rt2800pci.h"
51
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020052/*
53 * Allow hardware encryption to be disabled.
54 */
Rusty Russelleb939922011-12-19 14:08:01 +000055static bool modparam_nohwcrypt = false;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020056module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
57MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
58
Gertjan van Wingerdead417a52012-09-03 03:25:51 +020059static bool rt2800pci_hwcrypt_disabled(struct rt2x00_dev *rt2x00dev)
60{
61 return modparam_nohwcrypt;
62}
63
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020064static void rt2800pci_mcu_status(struct rt2x00_dev *rt2x00dev, const u8 token)
65{
66 unsigned int i;
67 u32 reg;
68
Luis Correiaf18d4462010-04-03 12:49:53 +010069 /*
70 * SOC devices don't support MCU requests.
71 */
72 if (rt2x00_is_soc(rt2x00dev))
73 return;
74
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020075 for (i = 0; i < 200; i++) {
Gabor Juhosb9570b62013-04-05 08:27:04 +020076 rt2x00mmio_register_read(rt2x00dev, H2M_MAILBOX_CID, &reg);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020077
78 if ((rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD0) == token) ||
79 (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD1) == token) ||
80 (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD2) == token) ||
81 (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD3) == token))
82 break;
83
84 udelay(REGISTER_BUSY_DELAY);
85 }
86
87 if (i == 200)
Joe Perchesec9c4982013-04-19 08:33:40 -070088 rt2x00_err(rt2x00dev, "MCU request failed, no response from hardware\n");
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020089
Gabor Juhosb9570b62013-04-05 08:27:04 +020090 rt2x00mmio_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
91 rt2x00mmio_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020092}
93
John Crispin5818a462013-03-13 13:20:15 +010094#if defined(CONFIG_SOC_RT288X) || defined(CONFIG_SOC_RT305X)
Gabor Juhosa02308e2012-12-29 14:51:51 +010095static int rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020096{
Gertjan van Wingerdeef8397c2010-11-13 19:11:22 +010097 void __iomem *base_addr = ioremap(0x1F040000, EEPROM_SIZE);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +020098
Gabor Juhosa02308e2012-12-29 14:51:51 +010099 if (!base_addr)
100 return -ENOMEM;
101
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200102 memcpy_fromio(rt2x00dev->eeprom, base_addr, EEPROM_SIZE);
Gertjan van Wingerdeef8397c2010-11-13 19:11:22 +0100103
104 iounmap(base_addr);
Gabor Juhosa02308e2012-12-29 14:51:51 +0100105 return 0;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200106}
107#else
Gabor Juhosa02308e2012-12-29 14:51:51 +0100108static inline int rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200109{
Gabor Juhosa02308e2012-12-29 14:51:51 +0100110 return -ENOMEM;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200111}
John Crispin5818a462013-03-13 13:20:15 +0100112#endif /* CONFIG_SOC_RT288X || CONFIG_SOC_RT305X */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200113
Gertjan van Wingerde72c72962010-11-13 19:10:54 +0100114#ifdef CONFIG_PCI
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200115static void rt2800pci_eepromregister_read(struct eeprom_93cx6 *eeprom)
116{
117 struct rt2x00_dev *rt2x00dev = eeprom->data;
118 u32 reg;
119
Gabor Juhosb9570b62013-04-05 08:27:04 +0200120 rt2x00mmio_register_read(rt2x00dev, E2PROM_CSR, &reg);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200121
122 eeprom->reg_data_in = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_IN);
123 eeprom->reg_data_out = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_OUT);
124 eeprom->reg_data_clock =
125 !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_CLOCK);
126 eeprom->reg_chip_select =
127 !!rt2x00_get_field32(reg, E2PROM_CSR_CHIP_SELECT);
128}
129
130static void rt2800pci_eepromregister_write(struct eeprom_93cx6 *eeprom)
131{
132 struct rt2x00_dev *rt2x00dev = eeprom->data;
133 u32 reg = 0;
134
135 rt2x00_set_field32(&reg, E2PROM_CSR_DATA_IN, !!eeprom->reg_data_in);
136 rt2x00_set_field32(&reg, E2PROM_CSR_DATA_OUT, !!eeprom->reg_data_out);
137 rt2x00_set_field32(&reg, E2PROM_CSR_DATA_CLOCK,
138 !!eeprom->reg_data_clock);
139 rt2x00_set_field32(&reg, E2PROM_CSR_CHIP_SELECT,
140 !!eeprom->reg_chip_select);
141
Gabor Juhosb9570b62013-04-05 08:27:04 +0200142 rt2x00mmio_register_write(rt2x00dev, E2PROM_CSR, reg);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200143}
144
Gabor Juhosa02308e2012-12-29 14:51:51 +0100145static int rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200146{
147 struct eeprom_93cx6 eeprom;
148 u32 reg;
149
Gabor Juhosb9570b62013-04-05 08:27:04 +0200150 rt2x00mmio_register_read(rt2x00dev, E2PROM_CSR, &reg);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200151
152 eeprom.data = rt2x00dev;
153 eeprom.register_read = rt2800pci_eepromregister_read;
154 eeprom.register_write = rt2800pci_eepromregister_write;
Gertjan van Wingerde20f8b132010-06-29 21:44:18 +0200155 switch (rt2x00_get_field32(reg, E2PROM_CSR_TYPE))
156 {
157 case 0:
158 eeprom.width = PCI_EEPROM_WIDTH_93C46;
159 break;
160 case 1:
161 eeprom.width = PCI_EEPROM_WIDTH_93C66;
162 break;
163 default:
164 eeprom.width = PCI_EEPROM_WIDTH_93C86;
165 break;
166 }
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200167 eeprom.reg_data_in = 0;
168 eeprom.reg_data_out = 0;
169 eeprom.reg_data_clock = 0;
170 eeprom.reg_chip_select = 0;
171
172 eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom,
173 EEPROM_SIZE / sizeof(u16));
Gabor Juhosa02308e2012-12-29 14:51:51 +0100174
175 return 0;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200176}
177
Gertjan van Wingerdea6598682009-11-08 12:30:35 +0100178static int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev)
179{
Bartlomiej Zolnierkiewicz30e84032009-11-08 14:39:48 +0100180 return rt2800_efuse_detect(rt2x00dev);
Gertjan van Wingerdea6598682009-11-08 12:30:35 +0100181}
182
Gabor Juhosa02308e2012-12-29 14:51:51 +0100183static inline int rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200184{
Gabor Juhosa02308e2012-12-29 14:51:51 +0100185 return rt2800_read_eeprom_efuse(rt2x00dev);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200186}
187#else
Gabor Juhosa02308e2012-12-29 14:51:51 +0100188static inline int rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200189{
Gabor Juhosa02308e2012-12-29 14:51:51 +0100190 return -EOPNOTSUPP;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200191}
192
Gertjan van Wingerdea6598682009-11-08 12:30:35 +0100193static inline int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev)
194{
195 return 0;
196}
197
Gabor Juhosa02308e2012-12-29 14:51:51 +0100198static inline int rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200199{
Gabor Juhosa02308e2012-12-29 14:51:51 +0100200 return -EOPNOTSUPP;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200201}
Gertjan van Wingerde72c72962010-11-13 19:10:54 +0100202#endif /* CONFIG_PCI */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200203
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200204/*
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100205 * Queue handlers.
206 */
207static void rt2800pci_start_queue(struct data_queue *queue)
208{
209 struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
210 u32 reg;
211
212 switch (queue->qid) {
213 case QID_RX:
Gabor Juhosb9570b62013-04-05 08:27:04 +0200214 rt2x00mmio_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100215 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
Gabor Juhosb9570b62013-04-05 08:27:04 +0200216 rt2x00mmio_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100217 break;
218 case QID_BEACON:
Gabor Juhosb9570b62013-04-05 08:27:04 +0200219 rt2x00mmio_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100220 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
221 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
222 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
Gabor Juhosb9570b62013-04-05 08:27:04 +0200223 rt2x00mmio_register_write(rt2x00dev, BCN_TIME_CFG, reg);
Helmut Schaa69cf36a2011-01-30 13:16:03 +0100224
Gabor Juhosb9570b62013-04-05 08:27:04 +0200225 rt2x00mmio_register_read(rt2x00dev, INT_TIMER_EN, &reg);
Helmut Schaa69cf36a2011-01-30 13:16:03 +0100226 rt2x00_set_field32(&reg, INT_TIMER_EN_PRE_TBTT_TIMER, 1);
Gabor Juhosb9570b62013-04-05 08:27:04 +0200227 rt2x00mmio_register_write(rt2x00dev, INT_TIMER_EN, reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100228 break;
229 default:
230 break;
Joe Perches6403eab2011-06-03 11:51:20 +0000231 }
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100232}
233
234static void rt2800pci_kick_queue(struct data_queue *queue)
235{
236 struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
237 struct queue_entry *entry;
238
239 switch (queue->qid) {
Ivo van Doornf615e9a2010-12-13 12:36:38 +0100240 case QID_AC_VO:
241 case QID_AC_VI:
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100242 case QID_AC_BE:
243 case QID_AC_BK:
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100244 entry = rt2x00queue_get_entry(queue, Q_INDEX);
Gabor Juhosb9570b62013-04-05 08:27:04 +0200245 rt2x00mmio_register_write(rt2x00dev, TX_CTX_IDX(queue->qid),
246 entry->entry_idx);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100247 break;
248 case QID_MGMT:
249 entry = rt2x00queue_get_entry(queue, Q_INDEX);
Gabor Juhosb9570b62013-04-05 08:27:04 +0200250 rt2x00mmio_register_write(rt2x00dev, TX_CTX_IDX(5),
251 entry->entry_idx);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100252 break;
253 default:
254 break;
255 }
256}
257
258static void rt2800pci_stop_queue(struct data_queue *queue)
259{
260 struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
261 u32 reg;
262
263 switch (queue->qid) {
264 case QID_RX:
Gabor Juhosb9570b62013-04-05 08:27:04 +0200265 rt2x00mmio_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100266 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
Gabor Juhosb9570b62013-04-05 08:27:04 +0200267 rt2x00mmio_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100268 break;
269 case QID_BEACON:
Gabor Juhosb9570b62013-04-05 08:27:04 +0200270 rt2x00mmio_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100271 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
272 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
273 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
Gabor Juhosb9570b62013-04-05 08:27:04 +0200274 rt2x00mmio_register_write(rt2x00dev, BCN_TIME_CFG, reg);
Helmut Schaa69cf36a2011-01-30 13:16:03 +0100275
Gabor Juhosb9570b62013-04-05 08:27:04 +0200276 rt2x00mmio_register_read(rt2x00dev, INT_TIMER_EN, &reg);
Helmut Schaa69cf36a2011-01-30 13:16:03 +0100277 rt2x00_set_field32(&reg, INT_TIMER_EN_PRE_TBTT_TIMER, 0);
Gabor Juhosb9570b62013-04-05 08:27:04 +0200278 rt2x00mmio_register_write(rt2x00dev, INT_TIMER_EN, reg);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100279
280 /*
Helmut Schaaabc11992011-08-06 13:13:48 +0200281 * Wait for current invocation to finish. The tasklet
282 * won't be scheduled anymore afterwards since we disabled
283 * the TBTT and PRE TBTT timer.
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100284 */
Helmut Schaaabc11992011-08-06 13:13:48 +0200285 tasklet_kill(&rt2x00dev->tbtt_tasklet);
286 tasklet_kill(&rt2x00dev->pretbtt_tasklet);
287
Ivo van Doorn5450b7e2010-12-13 12:34:22 +0100288 break;
289 default:
290 break;
291 }
292}
293
294/*
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200295 * Firmware functions
296 */
297static char *rt2800pci_get_firmware_name(struct rt2x00_dev *rt2x00dev)
298{
Woody Hunga89534e2012-06-13 15:01:16 +0800299 /*
300 * Chip rt3290 use specific 4KB firmware named rt3290.bin.
301 */
302 if (rt2x00_rt(rt2x00dev, RT3290))
303 return FIRMWARE_RT3290;
304 else
305 return FIRMWARE_RT2860;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200306}
307
Ivo van Doornf31c9a82010-07-11 12:30:37 +0200308static int rt2800pci_write_firmware(struct rt2x00_dev *rt2x00dev,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200309 const u8 *data, const size_t len)
310{
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200311 u32 reg;
312
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200313 /*
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200314 * enable Host program ram write selection
315 */
316 reg = 0;
317 rt2x00_set_field32(&reg, PBF_SYS_CTRL_HOST_RAM_WRITE, 1);
Gabor Juhosb9570b62013-04-05 08:27:04 +0200318 rt2x00mmio_register_write(rt2x00dev, PBF_SYS_CTRL, reg);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200319
320 /*
321 * Write firmware to device.
322 */
Gabor Juhosb9570b62013-04-05 08:27:04 +0200323 rt2x00mmio_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
324 data, len);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200325
Gabor Juhosb9570b62013-04-05 08:27:04 +0200326 rt2x00mmio_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000);
327 rt2x00mmio_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200328
Gabor Juhosb9570b62013-04-05 08:27:04 +0200329 rt2x00mmio_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
330 rt2x00mmio_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200331
332 return 0;
333}
334
335/*
336 * Initialization functions.
337 */
338static bool rt2800pci_get_entry_state(struct queue_entry *entry)
339{
Gabor Juhosb9570b62013-04-05 08:27:04 +0200340 struct queue_entry_priv_mmio *entry_priv = entry->priv_data;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200341 u32 word;
342
343 if (entry->queue->qid == QID_RX) {
344 rt2x00_desc_read(entry_priv->desc, 1, &word);
345
346 return (!rt2x00_get_field32(word, RXD_W1_DMA_DONE));
347 } else {
348 rt2x00_desc_read(entry_priv->desc, 1, &word);
349
350 return (!rt2x00_get_field32(word, TXD_W1_DMA_DONE));
351 }
352}
353
354static void rt2800pci_clear_entry(struct queue_entry *entry)
355{
Gabor Juhosb9570b62013-04-05 08:27:04 +0200356 struct queue_entry_priv_mmio *entry_priv = entry->priv_data;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200357 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
Helmut Schaa95192332010-10-02 11:29:30 +0200358 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200359 u32 word;
360
361 if (entry->queue->qid == QID_RX) {
362 rt2x00_desc_read(entry_priv->desc, 0, &word);
363 rt2x00_set_field32(&word, RXD_W0_SDP0, skbdesc->skb_dma);
364 rt2x00_desc_write(entry_priv->desc, 0, word);
365
366 rt2x00_desc_read(entry_priv->desc, 1, &word);
367 rt2x00_set_field32(&word, RXD_W1_DMA_DONE, 0);
368 rt2x00_desc_write(entry_priv->desc, 1, word);
Helmut Schaa95192332010-10-02 11:29:30 +0200369
370 /*
371 * Set RX IDX in register to inform hardware that we have
372 * handled this entry and it is available for reuse again.
373 */
Gabor Juhosb9570b62013-04-05 08:27:04 +0200374 rt2x00mmio_register_write(rt2x00dev, RX_CRX_IDX,
375 entry->entry_idx);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200376 } else {
377 rt2x00_desc_read(entry_priv->desc, 1, &word);
378 rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 1);
379 rt2x00_desc_write(entry_priv->desc, 1, word);
380 }
381}
382
383static int rt2800pci_init_queues(struct rt2x00_dev *rt2x00dev)
384{
Gabor Juhosb9570b62013-04-05 08:27:04 +0200385 struct queue_entry_priv_mmio *entry_priv;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200386
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200387 /*
388 * Initialize registers.
389 */
390 entry_priv = rt2x00dev->tx[0].entries[0].priv_data;
Gabor Juhosb9570b62013-04-05 08:27:04 +0200391 rt2x00mmio_register_write(rt2x00dev, TX_BASE_PTR0,
392 entry_priv->desc_dma);
393 rt2x00mmio_register_write(rt2x00dev, TX_MAX_CNT0,
394 rt2x00dev->tx[0].limit);
395 rt2x00mmio_register_write(rt2x00dev, TX_CTX_IDX0, 0);
396 rt2x00mmio_register_write(rt2x00dev, TX_DTX_IDX0, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200397
398 entry_priv = rt2x00dev->tx[1].entries[0].priv_data;
Gabor Juhosb9570b62013-04-05 08:27:04 +0200399 rt2x00mmio_register_write(rt2x00dev, TX_BASE_PTR1,
400 entry_priv->desc_dma);
401 rt2x00mmio_register_write(rt2x00dev, TX_MAX_CNT1,
402 rt2x00dev->tx[1].limit);
403 rt2x00mmio_register_write(rt2x00dev, TX_CTX_IDX1, 0);
404 rt2x00mmio_register_write(rt2x00dev, TX_DTX_IDX1, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200405
406 entry_priv = rt2x00dev->tx[2].entries[0].priv_data;
Gabor Juhosb9570b62013-04-05 08:27:04 +0200407 rt2x00mmio_register_write(rt2x00dev, TX_BASE_PTR2,
408 entry_priv->desc_dma);
409 rt2x00mmio_register_write(rt2x00dev, TX_MAX_CNT2,
410 rt2x00dev->tx[2].limit);
411 rt2x00mmio_register_write(rt2x00dev, TX_CTX_IDX2, 0);
412 rt2x00mmio_register_write(rt2x00dev, TX_DTX_IDX2, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200413
414 entry_priv = rt2x00dev->tx[3].entries[0].priv_data;
Gabor Juhosb9570b62013-04-05 08:27:04 +0200415 rt2x00mmio_register_write(rt2x00dev, TX_BASE_PTR3,
416 entry_priv->desc_dma);
417 rt2x00mmio_register_write(rt2x00dev, TX_MAX_CNT3,
418 rt2x00dev->tx[3].limit);
419 rt2x00mmio_register_write(rt2x00dev, TX_CTX_IDX3, 0);
420 rt2x00mmio_register_write(rt2x00dev, TX_DTX_IDX3, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200421
Gabor Juhosb9570b62013-04-05 08:27:04 +0200422 rt2x00mmio_register_write(rt2x00dev, TX_BASE_PTR4, 0);
423 rt2x00mmio_register_write(rt2x00dev, TX_MAX_CNT4, 0);
424 rt2x00mmio_register_write(rt2x00dev, TX_CTX_IDX4, 0);
425 rt2x00mmio_register_write(rt2x00dev, TX_DTX_IDX4, 0);
Jakub Kicinski3a4b43f2012-04-03 03:40:50 +0200426
Gabor Juhosb9570b62013-04-05 08:27:04 +0200427 rt2x00mmio_register_write(rt2x00dev, TX_BASE_PTR5, 0);
428 rt2x00mmio_register_write(rt2x00dev, TX_MAX_CNT5, 0);
429 rt2x00mmio_register_write(rt2x00dev, TX_CTX_IDX5, 0);
430 rt2x00mmio_register_write(rt2x00dev, TX_DTX_IDX5, 0);
Jakub Kicinski3a4b43f2012-04-03 03:40:50 +0200431
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200432 entry_priv = rt2x00dev->rx->entries[0].priv_data;
Gabor Juhosb9570b62013-04-05 08:27:04 +0200433 rt2x00mmio_register_write(rt2x00dev, RX_BASE_PTR,
434 entry_priv->desc_dma);
435 rt2x00mmio_register_write(rt2x00dev, RX_MAX_CNT,
436 rt2x00dev->rx[0].limit);
437 rt2x00mmio_register_write(rt2x00dev, RX_CRX_IDX,
438 rt2x00dev->rx[0].limit - 1);
439 rt2x00mmio_register_write(rt2x00dev, RX_DRX_IDX, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200440
Jakub Kicinskif7b395e2012-04-03 03:40:47 +0200441 rt2800_disable_wpdma(rt2x00dev);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200442
Gabor Juhosb9570b62013-04-05 08:27:04 +0200443 rt2x00mmio_register_write(rt2x00dev, DELAY_INT_CFG, 0);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200444
445 return 0;
446}
447
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200448/*
449 * Device state switch handlers.
450 */
Gabor Juhosb5cfde32013-10-17 09:42:20 +0200451static void rt2800mmio_toggle_irq(struct rt2x00_dev *rt2x00dev,
452 enum dev_state state)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200453{
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200454 u32 reg;
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100455 unsigned long flags;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200456
457 /*
458 * When interrupts are being enabled, the interrupt registers
459 * should clear the register to assure a clean state.
460 */
461 if (state == STATE_RADIO_IRQ_ON) {
Gabor Juhosb9570b62013-04-05 08:27:04 +0200462 rt2x00mmio_register_read(rt2x00dev, INT_SOURCE_CSR, &reg);
463 rt2x00mmio_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100464 }
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200465
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100466 spin_lock_irqsave(&rt2x00dev->irqmask_lock, flags);
Stanislaw Gruszkadfd00c42012-01-13 12:59:32 +0100467 reg = 0;
468 if (state == STATE_RADIO_IRQ_ON) {
469 rt2x00_set_field32(&reg, INT_MASK_CSR_RX_DONE, 1);
470 rt2x00_set_field32(&reg, INT_MASK_CSR_TBTT, 1);
471 rt2x00_set_field32(&reg, INT_MASK_CSR_PRE_TBTT, 1);
472 rt2x00_set_field32(&reg, INT_MASK_CSR_TX_FIFO_STATUS, 1);
473 rt2x00_set_field32(&reg, INT_MASK_CSR_AUTO_WAKEUP, 1);
474 }
Gabor Juhosb9570b62013-04-05 08:27:04 +0200475 rt2x00mmio_register_write(rt2x00dev, INT_MASK_CSR, reg);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100476 spin_unlock_irqrestore(&rt2x00dev->irqmask_lock, flags);
477
478 if (state == STATE_RADIO_IRQ_OFF) {
479 /*
Helmut Schaaabc11992011-08-06 13:13:48 +0200480 * Wait for possibly running tasklets to finish.
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100481 */
Helmut Schaaabc11992011-08-06 13:13:48 +0200482 tasklet_kill(&rt2x00dev->txstatus_tasklet);
483 tasklet_kill(&rt2x00dev->rxdone_tasklet);
484 tasklet_kill(&rt2x00dev->autowake_tasklet);
485 tasklet_kill(&rt2x00dev->tbtt_tasklet);
486 tasklet_kill(&rt2x00dev->pretbtt_tasklet);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100487 }
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200488}
489
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200490static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev)
491{
492 u32 reg;
493
494 /*
495 * Reset DMA indexes
496 */
Gabor Juhosb9570b62013-04-05 08:27:04 +0200497 rt2x00mmio_register_read(rt2x00dev, WPDMA_RST_IDX, &reg);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200498 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX0, 1);
499 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX1, 1);
500 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX2, 1);
501 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX3, 1);
502 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX4, 1);
503 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX5, 1);
504 rt2x00_set_field32(&reg, WPDMA_RST_IDX_DRX_IDX0, 1);
Gabor Juhosb9570b62013-04-05 08:27:04 +0200505 rt2x00mmio_register_write(rt2x00dev, WPDMA_RST_IDX, reg);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200506
Gabor Juhosb9570b62013-04-05 08:27:04 +0200507 rt2x00mmio_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f);
508 rt2x00mmio_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200509
Gertjan van Wingerde872834d2011-05-18 20:25:31 +0200510 if (rt2x00_is_pcie(rt2x00dev) &&
Gabor Juhos41caa762013-08-16 10:23:30 +0200511 (rt2x00_rt(rt2x00dev, RT3090) ||
512 rt2x00_rt(rt2x00dev, RT3390) ||
513 rt2x00_rt(rt2x00dev, RT3572) ||
514 rt2x00_rt(rt2x00dev, RT3593) ||
John Li2ed71882012-02-17 17:33:06 +0800515 rt2x00_rt(rt2x00dev, RT5390) ||
Gabor Juhos41caa762013-08-16 10:23:30 +0200516 rt2x00_rt(rt2x00dev, RT5392) ||
517 rt2x00_rt(rt2x00dev, RT5592))) {
Gabor Juhosb9570b62013-04-05 08:27:04 +0200518 rt2x00mmio_register_read(rt2x00dev, AUX_CTRL, &reg);
Gabor Juhosadde5882011-03-03 11:46:45 +0100519 rt2x00_set_field32(&reg, AUX_CTRL_FORCE_PCIE_CLK, 1);
520 rt2x00_set_field32(&reg, AUX_CTRL_WAKE_PCIE_EN, 1);
Gabor Juhosb9570b62013-04-05 08:27:04 +0200521 rt2x00mmio_register_write(rt2x00dev, AUX_CTRL, reg);
Gabor Juhosadde5882011-03-03 11:46:45 +0100522 }
RA-Shiang Tu60687ba2011-02-20 13:57:46 +0100523
Gabor Juhosb9570b62013-04-05 08:27:04 +0200524 rt2x00mmio_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200525
Stanislaw Gruszka2a48e8a2012-01-24 14:09:08 +0100526 reg = 0;
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200527 rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
528 rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
Gabor Juhosb9570b62013-04-05 08:27:04 +0200529 rt2x00mmio_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200530
Gabor Juhosb9570b62013-04-05 08:27:04 +0200531 rt2x00mmio_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
Gertjan van Wingerdee3a896b2010-06-03 10:52:04 +0200532
533 return 0;
534}
535
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200536static int rt2800pci_enable_radio(struct rt2x00_dev *rt2x00dev)
537{
Jakub Kicinskie8b461c2012-02-22 21:58:58 +0100538 int retval;
539
Jakub Kicinski52b82432012-04-03 03:40:49 +0200540 /* Wait for DMA, ignore error until we initialize queues. */
541 rt2800_wait_wpdma_ready(rt2x00dev);
542
543 if (unlikely(rt2800pci_init_queues(rt2x00dev)))
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200544 return -EIO;
545
Jakub Kicinskie8b461c2012-02-22 21:58:58 +0100546 retval = rt2800_enable_radio(rt2x00dev);
547 if (retval)
548 return retval;
549
550 /* After resume MCU_BOOT_SIGNAL will trash these. */
Gabor Juhosb9570b62013-04-05 08:27:04 +0200551 rt2x00mmio_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
552 rt2x00mmio_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
Jakub Kicinskie8b461c2012-02-22 21:58:58 +0100553
554 rt2800_mcu_request(rt2x00dev, MCU_SLEEP, TOKEN_RADIO_OFF, 0xff, 0x02);
555 rt2800pci_mcu_status(rt2x00dev, TOKEN_RADIO_OFF);
556
557 rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKEUP, 0, 0);
558 rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKEUP);
559
560 return retval;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200561}
562
563static void rt2800pci_disable_radio(struct rt2x00_dev *rt2x00dev)
564{
RA-Jay Hung7f6e1442011-01-10 11:27:43 +0100565 if (rt2x00_is_soc(rt2x00dev)) {
566 rt2800_disable_radio(rt2x00dev);
Gabor Juhosb9570b62013-04-05 08:27:04 +0200567 rt2x00mmio_register_write(rt2x00dev, PWR_PIN_CFG, 0);
568 rt2x00mmio_register_write(rt2x00dev, TX_PIN_CFG, 0);
RA-Jay Hung7f6e1442011-01-10 11:27:43 +0100569 }
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200570}
571
572static int rt2800pci_set_state(struct rt2x00_dev *rt2x00dev,
573 enum dev_state state)
574{
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200575 if (state == STATE_AWAKE) {
Jakub Kicinski09a33112012-02-22 21:58:57 +0100576 rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKEUP,
577 0, 0x02);
578 rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKEUP);
RA-Jay Hung7f6e1442011-01-10 11:27:43 +0100579 } else if (state == STATE_SLEEP) {
Gabor Juhosb9570b62013-04-05 08:27:04 +0200580 rt2x00mmio_register_write(rt2x00dev, H2M_MAILBOX_STATUS,
581 0xffffffff);
582 rt2x00mmio_register_write(rt2x00dev, H2M_MAILBOX_CID,
583 0xffffffff);
Jakub Kicinski09a33112012-02-22 21:58:57 +0100584 rt2800_mcu_request(rt2x00dev, MCU_SLEEP, TOKEN_SLEEP,
585 0xff, 0x01);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200586 }
587
588 return 0;
589}
590
591static int rt2800pci_set_device_state(struct rt2x00_dev *rt2x00dev,
592 enum dev_state state)
593{
594 int retval = 0;
595
596 switch (state) {
597 case STATE_RADIO_ON:
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200598 retval = rt2800pci_enable_radio(rt2x00dev);
599 break;
600 case STATE_RADIO_OFF:
601 /*
602 * After the radio has been disabled, the device should
603 * be put to sleep for powersaving.
604 */
605 rt2800pci_disable_radio(rt2x00dev);
606 rt2800pci_set_state(rt2x00dev, STATE_SLEEP);
607 break;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200608 case STATE_RADIO_IRQ_ON:
609 case STATE_RADIO_IRQ_OFF:
Gabor Juhosb5cfde32013-10-17 09:42:20 +0200610 rt2800mmio_toggle_irq(rt2x00dev, state);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200611 break;
612 case STATE_DEEP_SLEEP:
613 case STATE_SLEEP:
614 case STATE_STANDBY:
615 case STATE_AWAKE:
616 retval = rt2800pci_set_state(rt2x00dev, state);
617 break;
618 default:
619 retval = -ENOTSUPP;
620 break;
621 }
622
623 if (unlikely(retval))
Joe Perchesec9c4982013-04-19 08:33:40 -0700624 rt2x00_err(rt2x00dev, "Device failed to enter state %d (%d)\n",
625 state, retval);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200626
627 return retval;
628}
629
630/*
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200631 * Interrupt functions.
632 */
Gabor Juhosb5cfde32013-10-17 09:42:20 +0200633static void rt2800mmio_wakeup(struct rt2x00_dev *rt2x00dev)
Gertjan van Wingerde4d66edc2010-03-30 23:50:26 +0200634{
635 struct ieee80211_conf conf = { .flags = 0 };
636 struct rt2x00lib_conf libconf = { .conf = &conf };
637
638 rt2800_config(rt2x00dev, &libconf, IEEE80211_CONF_CHANGE_PS);
639}
640
Gabor Juhosb5cfde32013-10-17 09:42:20 +0200641static bool rt2800mmio_txdone_entry_check(struct queue_entry *entry, u32 status)
Helmut Schaa8857d6d2013-03-15 09:57:57 +0100642{
643 __le32 *txwi;
644 u32 word;
645 int wcid, tx_wcid;
646
647 wcid = rt2x00_get_field32(status, TX_STA_FIFO_WCID);
648
649 txwi = rt2800_drv_get_txwi(entry);
650 rt2x00_desc_read(txwi, 1, &word);
651 tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID);
652
653 return (tx_wcid == wcid);
654}
655
Gabor Juhosb5cfde32013-10-17 09:42:20 +0200656static bool rt2800mmio_txdone_find_entry(struct queue_entry *entry, void *data)
Helmut Schaa8857d6d2013-03-15 09:57:57 +0100657{
658 u32 status = *(u32 *)data;
659
660 /*
661 * rt2800pci hardware might reorder frames when exchanging traffic
662 * with multiple BA enabled STAs.
663 *
664 * For example, a tx queue
665 * [ STA1 | STA2 | STA1 | STA2 ]
666 * can result in tx status reports
667 * [ STA1 | STA1 | STA2 | STA2 ]
668 * when the hw decides to aggregate the frames for STA1 into one AMPDU.
669 *
670 * To mitigate this effect, associate the tx status to the first frame
671 * in the tx queue with a matching wcid.
672 */
Gabor Juhosb5cfde32013-10-17 09:42:20 +0200673 if (rt2800mmio_txdone_entry_check(entry, status) &&
Helmut Schaa8857d6d2013-03-15 09:57:57 +0100674 !test_bit(ENTRY_DATA_STATUS_SET, &entry->flags)) {
675 /*
676 * Got a matching frame, associate the tx status with
677 * the frame
678 */
679 entry->status = status;
680 set_bit(ENTRY_DATA_STATUS_SET, &entry->flags);
681 return true;
682 }
683
684 /* Check the next frame */
685 return false;
686}
687
Gabor Juhosb5cfde32013-10-17 09:42:20 +0200688static bool rt2800mmio_txdone_match_first(struct queue_entry *entry, void *data)
Helmut Schaa8857d6d2013-03-15 09:57:57 +0100689{
690 u32 status = *(u32 *)data;
691
692 /*
693 * Find the first frame without tx status and assign this status to it
694 * regardless if it matches or not.
695 */
696 if (!test_bit(ENTRY_DATA_STATUS_SET, &entry->flags)) {
697 /*
698 * Got a matching frame, associate the tx status with
699 * the frame
700 */
701 entry->status = status;
702 set_bit(ENTRY_DATA_STATUS_SET, &entry->flags);
703 return true;
704 }
705
706 /* Check the next frame */
707 return false;
708}
Gabor Juhosb5cfde32013-10-17 09:42:20 +0200709static bool rt2800mmio_txdone_release_entries(struct queue_entry *entry,
710 void *data)
Helmut Schaa8857d6d2013-03-15 09:57:57 +0100711{
712 if (test_bit(ENTRY_DATA_STATUS_SET, &entry->flags)) {
713 rt2800_txdone_entry(entry, entry->status,
Gabor Juhos45c67552013-10-17 09:42:16 +0200714 rt2800mmio_get_txwi(entry));
Helmut Schaa8857d6d2013-03-15 09:57:57 +0100715 return false;
716 }
717
718 /* No more frames to release */
719 return true;
720}
721
Gabor Juhosb5cfde32013-10-17 09:42:20 +0200722static bool rt2800mmio_txdone(struct rt2x00_dev *rt2x00dev)
Helmut Schaa96c3da72010-10-02 11:27:35 +0200723{
724 struct data_queue *queue;
Helmut Schaa96c3da72010-10-02 11:27:35 +0200725 u32 status;
726 u8 qid;
Helmut Schaa2e7798b2011-03-28 13:30:09 +0200727 int max_tx_done = 16;
Helmut Schaa96c3da72010-10-02 11:27:35 +0200728
Johannes Stezenbachc4d63242010-12-27 15:04:29 +0100729 while (kfifo_get(&rt2x00dev->txstatus_fifo, &status)) {
Helmut Schaa12eec2c2010-10-09 13:35:48 +0200730 qid = rt2x00_get_field32(status, TX_STA_FIFO_PID_QUEUE);
Helmut Schaa87443e82011-03-03 19:39:27 +0100731 if (unlikely(qid >= QID_RX)) {
Helmut Schaa96c3da72010-10-02 11:27:35 +0200732 /*
733 * Unknown queue, this shouldn't happen. Just drop
734 * this tx status.
735 */
Joe Perchesec9c4982013-04-19 08:33:40 -0700736 rt2x00_warn(rt2x00dev, "Got TX status report with unexpected pid %u, dropping\n",
737 qid);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200738 break;
739 }
740
Helmut Schaa11f818e2011-03-03 19:38:55 +0100741 queue = rt2x00queue_get_tx_queue(rt2x00dev, qid);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200742 if (unlikely(queue == NULL)) {
743 /*
744 * The queue is NULL, this shouldn't happen. Stop
745 * processing here and drop the tx status
746 */
Joe Perchesec9c4982013-04-19 08:33:40 -0700747 rt2x00_warn(rt2x00dev, "Got TX status for an unavailable queue %u, dropping\n",
748 qid);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200749 break;
750 }
751
Helmut Schaa87443e82011-03-03 19:39:27 +0100752 if (unlikely(rt2x00queue_empty(queue))) {
Helmut Schaa96c3da72010-10-02 11:27:35 +0200753 /*
754 * The queue is empty. Stop processing here
755 * and drop the tx status.
756 */
Joe Perchesec9c4982013-04-19 08:33:40 -0700757 rt2x00_warn(rt2x00dev, "Got TX status for an empty queue %u, dropping\n",
758 qid);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200759 break;
760 }
761
Helmut Schaa8857d6d2013-03-15 09:57:57 +0100762 /*
763 * Let's associate this tx status with the first
764 * matching frame.
765 */
766 if (!rt2x00queue_for_each_entry(queue, Q_INDEX_DONE,
767 Q_INDEX, &status,
Gabor Juhosb5cfde32013-10-17 09:42:20 +0200768 rt2800mmio_txdone_find_entry)) {
Helmut Schaa8857d6d2013-03-15 09:57:57 +0100769 /*
770 * We cannot match the tx status to any frame, so just
771 * use the first one.
772 */
773 if (!rt2x00queue_for_each_entry(queue, Q_INDEX_DONE,
774 Q_INDEX, &status,
Gabor Juhosb5cfde32013-10-17 09:42:20 +0200775 rt2800mmio_txdone_match_first)) {
Joe Perchesec9c4982013-04-19 08:33:40 -0700776 rt2x00_warn(rt2x00dev, "No frame found for TX status on queue %u, dropping\n",
777 qid);
Helmut Schaa8857d6d2013-03-15 09:57:57 +0100778 break;
779 }
780 }
781
782 /*
783 * Release all frames with a valid tx status.
784 */
785 rt2x00queue_for_each_entry(queue, Q_INDEX_DONE,
786 Q_INDEX, NULL,
Gabor Juhosb5cfde32013-10-17 09:42:20 +0200787 rt2800mmio_txdone_release_entries);
Helmut Schaa2e7798b2011-03-28 13:30:09 +0200788
789 if (--max_tx_done == 0)
790 break;
Helmut Schaa96c3da72010-10-02 11:27:35 +0200791 }
Helmut Schaa2e7798b2011-03-28 13:30:09 +0200792
793 return !max_tx_done;
Helmut Schaa96c3da72010-10-02 11:27:35 +0200794}
795
Gabor Juhosb5cfde32013-10-17 09:42:20 +0200796static inline void rt2800mmio_enable_interrupt(struct rt2x00_dev *rt2x00dev,
797 struct rt2x00_field32 irq_field)
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100798{
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100799 u32 reg;
800
801 /*
802 * Enable a single interrupt. The interrupt mask register
803 * access needs locking.
804 */
Helmut Schaa0aa13b22011-03-03 19:45:16 +0100805 spin_lock_irq(&rt2x00dev->irqmask_lock);
Gabor Juhosb9570b62013-04-05 08:27:04 +0200806 rt2x00mmio_register_read(rt2x00dev, INT_MASK_CSR, &reg);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100807 rt2x00_set_field32(&reg, irq_field, 1);
Gabor Juhosb9570b62013-04-05 08:27:04 +0200808 rt2x00mmio_register_write(rt2x00dev, INT_MASK_CSR, reg);
Helmut Schaa0aa13b22011-03-03 19:45:16 +0100809 spin_unlock_irq(&rt2x00dev->irqmask_lock);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100810}
811
Gabor Juhosb5cfde32013-10-17 09:42:20 +0200812static void rt2800mmio_txstatus_tasklet(unsigned long data)
Helmut Schaa96c3da72010-10-02 11:27:35 +0200813{
Helmut Schaa2e7798b2011-03-28 13:30:09 +0200814 struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
Gabor Juhosb5cfde32013-10-17 09:42:20 +0200815 if (rt2800mmio_txdone(rt2x00dev))
Helmut Schaa2e7798b2011-03-28 13:30:09 +0200816 tasklet_schedule(&rt2x00dev->txstatus_tasklet);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100817
818 /*
819 * No need to enable the tx status interrupt here as we always
820 * leave it enabled to minimize the possibility of a tx status
821 * register overflow. See comment in interrupt handler.
822 */
Helmut Schaa96c3da72010-10-02 11:27:35 +0200823}
824
Gabor Juhosb5cfde32013-10-17 09:42:20 +0200825static void rt2800mmio_pretbtt_tasklet(unsigned long data)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200826{
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100827 struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
828 rt2x00lib_pretbtt(rt2x00dev);
Helmut Schaaabc11992011-08-06 13:13:48 +0200829 if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
Gabor Juhosb5cfde32013-10-17 09:42:20 +0200830 rt2800mmio_enable_interrupt(rt2x00dev, INT_MASK_CSR_PRE_TBTT);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100831}
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200832
Gabor Juhosb5cfde32013-10-17 09:42:20 +0200833static void rt2800mmio_tbtt_tasklet(unsigned long data)
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100834{
835 struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
Helmut Schaa290d6082012-03-09 15:31:50 +0100836 struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
837 u32 reg;
838
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100839 rt2x00lib_beacondone(rt2x00dev);
Helmut Schaa290d6082012-03-09 15:31:50 +0100840
841 if (rt2x00dev->intf_ap_count) {
842 /*
843 * The rt2800pci hardware tbtt timer is off by 1us per tbtt
844 * causing beacon skew and as a result causing problems with
845 * some powersaving clients over time. Shorten the beacon
846 * interval every 64 beacons by 64us to mitigate this effect.
847 */
848 if (drv_data->tbtt_tick == (BCN_TBTT_OFFSET - 2)) {
Gabor Juhosb9570b62013-04-05 08:27:04 +0200849 rt2x00mmio_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
Helmut Schaa290d6082012-03-09 15:31:50 +0100850 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL,
851 (rt2x00dev->beacon_int * 16) - 1);
Gabor Juhosb9570b62013-04-05 08:27:04 +0200852 rt2x00mmio_register_write(rt2x00dev, BCN_TIME_CFG, reg);
Helmut Schaa290d6082012-03-09 15:31:50 +0100853 } else if (drv_data->tbtt_tick == (BCN_TBTT_OFFSET - 1)) {
Gabor Juhosb9570b62013-04-05 08:27:04 +0200854 rt2x00mmio_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
Helmut Schaa290d6082012-03-09 15:31:50 +0100855 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL,
856 (rt2x00dev->beacon_int * 16));
Gabor Juhosb9570b62013-04-05 08:27:04 +0200857 rt2x00mmio_register_write(rt2x00dev, BCN_TIME_CFG, reg);
Helmut Schaa290d6082012-03-09 15:31:50 +0100858 }
859 drv_data->tbtt_tick++;
860 drv_data->tbtt_tick %= BCN_TBTT_OFFSET;
861 }
862
Helmut Schaaabc11992011-08-06 13:13:48 +0200863 if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
Gabor Juhosb5cfde32013-10-17 09:42:20 +0200864 rt2800mmio_enable_interrupt(rt2x00dev, INT_MASK_CSR_TBTT);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100865}
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200866
Gabor Juhosb5cfde32013-10-17 09:42:20 +0200867static void rt2800mmio_rxdone_tasklet(unsigned long data)
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100868{
869 struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
Gabor Juhosb9570b62013-04-05 08:27:04 +0200870 if (rt2x00mmio_rxdone(rt2x00dev))
Helmut Schaa16638932011-03-28 13:29:44 +0200871 tasklet_schedule(&rt2x00dev->rxdone_tasklet);
Helmut Schaaabc11992011-08-06 13:13:48 +0200872 else if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
Gabor Juhosb5cfde32013-10-17 09:42:20 +0200873 rt2800mmio_enable_interrupt(rt2x00dev, INT_MASK_CSR_RX_DONE);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100874}
Helmut Schaaad903192010-06-29 21:46:43 +0200875
Gabor Juhosb5cfde32013-10-17 09:42:20 +0200876static void rt2800mmio_autowake_tasklet(unsigned long data)
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100877{
878 struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
Gabor Juhosb5cfde32013-10-17 09:42:20 +0200879 rt2800mmio_wakeup(rt2x00dev);
Helmut Schaaabc11992011-08-06 13:13:48 +0200880 if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
Gabor Juhosb5cfde32013-10-17 09:42:20 +0200881 rt2800mmio_enable_interrupt(rt2x00dev,
882 INT_MASK_CSR_AUTO_WAKEUP);
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200883}
884
Gabor Juhosb5cfde32013-10-17 09:42:20 +0200885static void rt2800mmio_txstatus_interrupt(struct rt2x00_dev *rt2x00dev)
Helmut Schaa96c3da72010-10-02 11:27:35 +0200886{
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 */
Gabor Juhos1cfcbe42013-05-01 17:17:31 +0200908 for (i = 0; i < rt2x00dev->tx->limit; i++) {
Gabor Juhosb9570b62013-04-05 08:27:04 +0200909 rt2x00mmio_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)) {
Joe Perchesec9c4982013-04-19 08:33:40 -0700915 rt2x00_warn(rt2x00dev, "TX status FIFO overrun, drop tx status report\n");
Helmut Schaa96c3da72010-10-02 11:27:35 +0200916 break;
917 }
918 }
919
920 /* Schedule the tasklet for processing the tx status. */
921 tasklet_schedule(&rt2x00dev->txstatus_tasklet);
922}
923
Gabor Juhosb5cfde32013-10-17 09:42:20 +0200924static irqreturn_t rt2800mmio_interrupt(int irq, void *dev_instance)
Helmut Schaa78e256c2010-07-11 12:26:48 +0200925{
926 struct rt2x00_dev *rt2x00dev = dev_instance;
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100927 u32 reg, mask;
Helmut Schaa78e256c2010-07-11 12:26:48 +0200928
929 /* Read status and ACK all interrupts */
Gabor Juhosb9570b62013-04-05 08:27:04 +0200930 rt2x00mmio_register_read(rt2x00dev, INT_SOURCE_CSR, &reg);
931 rt2x00mmio_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
Helmut Schaa78e256c2010-07-11 12:26:48 +0200932
933 if (!reg)
934 return IRQ_NONE;
935
936 if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
937 return IRQ_HANDLED;
938
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100939 /*
940 * Since INT_MASK_CSR and INT_SOURCE_CSR use the same bits
941 * for interrupts and interrupt masks we can just use the value of
942 * INT_SOURCE_CSR to create the interrupt mask.
943 */
944 mask = ~reg;
945
946 if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TX_FIFO_STATUS)) {
Gabor Juhosb5cfde32013-10-17 09:42:20 +0200947 rt2800mmio_txstatus_interrupt(rt2x00dev);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200948 /*
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100949 * Never disable the TX_FIFO_STATUS interrupt.
Helmut Schaa96c3da72010-10-02 11:27:35 +0200950 */
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100951 rt2x00_set_field32(&mask, INT_MASK_CSR_TX_FIFO_STATUS, 1);
Helmut Schaa96c3da72010-10-02 11:27:35 +0200952 }
953
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100954 if (rt2x00_get_field32(reg, INT_SOURCE_CSR_PRE_TBTT))
955 tasklet_hi_schedule(&rt2x00dev->pretbtt_tasklet);
956
957 if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TBTT))
958 tasklet_hi_schedule(&rt2x00dev->tbtt_tasklet);
959
960 if (rt2x00_get_field32(reg, INT_SOURCE_CSR_RX_DONE))
961 tasklet_schedule(&rt2x00dev->rxdone_tasklet);
962
963 if (rt2x00_get_field32(reg, INT_SOURCE_CSR_AUTO_WAKEUP))
964 tasklet_schedule(&rt2x00dev->autowake_tasklet);
965
966 /*
967 * Disable all interrupts for which a tasklet was scheduled right now,
968 * the tasklet will reenable the appropriate interrupts.
969 */
Helmut Schaa0aa13b22011-03-03 19:45:16 +0100970 spin_lock(&rt2x00dev->irqmask_lock);
Gabor Juhosb9570b62013-04-05 08:27:04 +0200971 rt2x00mmio_register_read(rt2x00dev, INT_MASK_CSR, &reg);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100972 reg &= mask;
Gabor Juhosb9570b62013-04-05 08:27:04 +0200973 rt2x00mmio_register_write(rt2x00dev, INT_MASK_CSR, reg);
Helmut Schaa0aa13b22011-03-03 19:45:16 +0100974 spin_unlock(&rt2x00dev->irqmask_lock);
Helmut Schaaa9d61e92011-01-30 13:18:38 +0100975
976 return IRQ_HANDLED;
Helmut Schaa78e256c2010-07-11 12:26:48 +0200977}
978
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200979/*
980 * Device probe functions.
981 */
Gabor Juhosa02308e2012-12-29 14:51:51 +0100982static int rt2800pci_read_eeprom(struct rt2x00_dev *rt2x00dev)
Bartlomiej Zolnierkiewicz7ab71322009-11-08 14:38:54 +0100983{
Gabor Juhosa02308e2012-12-29 14:51:51 +0100984 int retval;
985
Gertjan van Wingerdecea90e52010-02-13 20:55:47 +0100986 if (rt2x00_is_soc(rt2x00dev))
Gabor Juhosa02308e2012-12-29 14:51:51 +0100987 retval = rt2800pci_read_eeprom_soc(rt2x00dev);
Gertjan van Wingerdecea90e52010-02-13 20:55:47 +0100988 else if (rt2800pci_efuse_detect(rt2x00dev))
Gabor Juhosa02308e2012-12-29 14:51:51 +0100989 retval = rt2800pci_read_eeprom_efuse(rt2x00dev);
Gertjan van Wingerdecea90e52010-02-13 20:55:47 +0100990 else
Gabor Juhosa02308e2012-12-29 14:51:51 +0100991 retval = rt2800pci_read_eeprom_pci(rt2x00dev);
992
993 return retval;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +0200994}
995
Helmut Schaae7836192010-07-11 12:28:54 +0200996static const struct ieee80211_ops rt2800pci_mac80211_ops = {
997 .tx = rt2x00mac_tx,
998 .start = rt2x00mac_start,
999 .stop = rt2x00mac_stop,
1000 .add_interface = rt2x00mac_add_interface,
1001 .remove_interface = rt2x00mac_remove_interface,
1002 .config = rt2x00mac_config,
1003 .configure_filter = rt2x00mac_configure_filter,
Helmut Schaae7836192010-07-11 12:28:54 +02001004 .set_key = rt2x00mac_set_key,
1005 .sw_scan_start = rt2x00mac_sw_scan_start,
1006 .sw_scan_complete = rt2x00mac_sw_scan_complete,
1007 .get_stats = rt2x00mac_get_stats,
1008 .get_tkip_seq = rt2800_get_tkip_seq,
1009 .set_rts_threshold = rt2800_set_rts_threshold,
Helmut Schaaa2b13282011-09-08 14:38:01 +02001010 .sta_add = rt2x00mac_sta_add,
1011 .sta_remove = rt2x00mac_sta_remove,
Helmut Schaae7836192010-07-11 12:28:54 +02001012 .bss_info_changed = rt2x00mac_bss_info_changed,
1013 .conf_tx = rt2800_conf_tx,
1014 .get_tsf = rt2800_get_tsf,
1015 .rfkill_poll = rt2x00mac_rfkill_poll,
1016 .ampdu_action = rt2800_ampdu_action,
Ivo van Doornf44df182010-11-04 20:40:11 +01001017 .flush = rt2x00mac_flush,
Helmut Schaa977206d2010-12-13 12:31:58 +01001018 .get_survey = rt2800_get_survey,
Ivo van Doorne7dee442011-04-18 15:34:41 +02001019 .get_ringparam = rt2x00mac_get_ringparam,
Gertjan van Wingerde5f0dd292011-07-06 23:00:21 +02001020 .tx_frames_pending = rt2x00mac_tx_frames_pending,
Helmut Schaae7836192010-07-11 12:28:54 +02001021};
1022
Ivo van Doorne7966432010-07-11 12:31:23 +02001023static const struct rt2800_ops rt2800pci_rt2800_ops = {
Gabor Juhosb9570b62013-04-05 08:27:04 +02001024 .register_read = rt2x00mmio_register_read,
1025 .register_read_lock = rt2x00mmio_register_read, /* same for PCI */
1026 .register_write = rt2x00mmio_register_write,
1027 .register_write_lock = rt2x00mmio_register_write, /* same for PCI */
1028 .register_multiread = rt2x00mmio_register_multiread,
1029 .register_multiwrite = rt2x00mmio_register_multiwrite,
1030 .regbusy_read = rt2x00mmio_regbusy_read,
Gertjan van Wingerdead417a52012-09-03 03:25:51 +02001031 .read_eeprom = rt2800pci_read_eeprom,
1032 .hwcrypt_disabled = rt2800pci_hwcrypt_disabled,
Ivo van Doorne7966432010-07-11 12:31:23 +02001033 .drv_write_firmware = rt2800pci_write_firmware,
1034 .drv_init_registers = rt2800pci_init_registers,
Gabor Juhos45c67552013-10-17 09:42:16 +02001035 .drv_get_txwi = rt2800mmio_get_txwi,
Ivo van Doorne7966432010-07-11 12:31:23 +02001036};
1037
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001038static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = {
Gabor Juhosb5cfde32013-10-17 09:42:20 +02001039 .irq_handler = rt2800mmio_interrupt,
1040 .txstatus_tasklet = rt2800mmio_txstatus_tasklet,
1041 .pretbtt_tasklet = rt2800mmio_pretbtt_tasklet,
1042 .tbtt_tasklet = rt2800mmio_tbtt_tasklet,
1043 .rxdone_tasklet = rt2800mmio_rxdone_tasklet,
1044 .autowake_tasklet = rt2800mmio_autowake_tasklet,
Gertjan van Wingerdead417a52012-09-03 03:25:51 +02001045 .probe_hw = rt2800_probe_hw,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001046 .get_firmware_name = rt2800pci_get_firmware_name,
Ivo van Doornf31c9a82010-07-11 12:30:37 +02001047 .check_firmware = rt2800_check_firmware,
1048 .load_firmware = rt2800_load_firmware,
Gabor Juhosb9570b62013-04-05 08:27:04 +02001049 .initialize = rt2x00mmio_initialize,
1050 .uninitialize = rt2x00mmio_uninitialize,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001051 .get_entry_state = rt2800pci_get_entry_state,
1052 .clear_entry = rt2800pci_clear_entry,
1053 .set_device_state = rt2800pci_set_device_state,
Bartlomiej Zolnierkiewiczf4450612009-11-04 18:36:40 +01001054 .rfkill_poll = rt2800_rfkill_poll,
1055 .link_stats = rt2800_link_stats,
1056 .reset_tuner = rt2800_reset_tuner,
1057 .link_tuner = rt2800_link_tuner,
Helmut Schaa9e33a352011-03-28 13:33:40 +02001058 .gain_calibration = rt2800_gain_calibration,
John Li2e9c43d2012-02-16 21:40:57 +08001059 .vco_calibration = rt2800_vco_calibration,
Ivo van Doorndbba3062010-12-13 12:34:54 +01001060 .start_queue = rt2800pci_start_queue,
1061 .kick_queue = rt2800pci_kick_queue,
1062 .stop_queue = rt2800pci_stop_queue,
Gabor Juhosb9570b62013-04-05 08:27:04 +02001063 .flush_queue = rt2x00mmio_flush_queue,
Gabor Juhos45c67552013-10-17 09:42:16 +02001064 .write_tx_desc = rt2800mmio_write_tx_desc,
Ivo van Doorn0c5879b2010-08-06 20:47:20 +02001065 .write_tx_data = rt2800_write_tx_data,
Gertjan van Wingerdef0194b22010-06-03 10:51:53 +02001066 .write_beacon = rt2800_write_beacon,
Helmut Schaa69cf36a2011-01-30 13:16:03 +01001067 .clear_beacon = rt2800_clear_beacon,
Gabor Juhosd10b7542013-10-17 09:42:18 +02001068 .fill_rxdone = rt2800mmio_fill_rxdone,
Bartlomiej Zolnierkiewiczf4450612009-11-04 18:36:40 +01001069 .config_shared_key = rt2800_config_shared_key,
1070 .config_pairwise_key = rt2800_config_pairwise_key,
1071 .config_filter = rt2800_config_filter,
1072 .config_intf = rt2800_config_intf,
1073 .config_erp = rt2800_config_erp,
1074 .config_ant = rt2800_config_ant,
1075 .config = rt2800_config,
Helmut Schaaa2b13282011-09-08 14:38:01 +02001076 .sta_add = rt2800_sta_add,
1077 .sta_remove = rt2800_sta_remove,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001078};
1079
Gabor Juhos1896b762013-06-04 13:40:44 +02001080static void rt2800pci_queue_init(struct data_queue *queue)
1081{
Gabor Juhosae1b1c52013-08-16 10:23:29 +02001082 struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
1083 unsigned short txwi_size, rxwi_size;
1084
1085 rt2800_get_txwi_rxwi_size(rt2x00dev, &txwi_size, &rxwi_size);
1086
Gabor Juhos1896b762013-06-04 13:40:44 +02001087 switch (queue->qid) {
1088 case QID_RX:
1089 queue->limit = 128;
1090 queue->data_size = AGGREGATION_SIZE;
1091 queue->desc_size = RXD_DESC_SIZE;
Gabor Juhosae1b1c52013-08-16 10:23:29 +02001092 queue->winfo_size = rxwi_size;
Gabor Juhos1896b762013-06-04 13:40:44 +02001093 queue->priv_size = sizeof(struct queue_entry_priv_mmio);
1094 break;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001095
Gabor Juhos1896b762013-06-04 13:40:44 +02001096 case QID_AC_VO:
1097 case QID_AC_VI:
1098 case QID_AC_BE:
1099 case QID_AC_BK:
1100 queue->limit = 64;
1101 queue->data_size = AGGREGATION_SIZE;
1102 queue->desc_size = TXD_DESC_SIZE;
Gabor Juhosae1b1c52013-08-16 10:23:29 +02001103 queue->winfo_size = txwi_size;
Gabor Juhos1896b762013-06-04 13:40:44 +02001104 queue->priv_size = sizeof(struct queue_entry_priv_mmio);
1105 break;
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001106
Gabor Juhos1896b762013-06-04 13:40:44 +02001107 case QID_BEACON:
1108 queue->limit = 8;
1109 queue->data_size = 0; /* No DMA required for beacons */
1110 queue->desc_size = TXD_DESC_SIZE;
Gabor Juhosae1b1c52013-08-16 10:23:29 +02001111 queue->winfo_size = txwi_size;
Gabor Juhos1896b762013-06-04 13:40:44 +02001112 queue->priv_size = sizeof(struct queue_entry_priv_mmio);
1113 break;
1114
1115 case QID_ATIM:
1116 /* fallthrough */
1117 default:
1118 BUG();
1119 break;
1120 }
1121}
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001122
1123static const struct rt2x00_ops rt2800pci_ops = {
Gertjan van Wingerde04d03622009-11-23 22:44:51 +01001124 .name = KBUILD_MODNAME,
Gertjan van Wingerde3a1c0122012-02-06 23:45:07 +01001125 .drv_data_size = sizeof(struct rt2800_drv_data),
Gertjan van Wingerde04d03622009-11-23 22:44:51 +01001126 .max_ap_intf = 8,
1127 .eeprom_size = EEPROM_SIZE,
1128 .rf_size = RF_SIZE,
1129 .tx_queues = NUM_TX_QUEUES,
Gabor Juhos1896b762013-06-04 13:40:44 +02001130 .queue_init = rt2800pci_queue_init,
Gertjan van Wingerde04d03622009-11-23 22:44:51 +01001131 .lib = &rt2800pci_rt2x00_ops,
Ivo van Doorne7966432010-07-11 12:31:23 +02001132 .drv = &rt2800pci_rt2800_ops,
Helmut Schaae7836192010-07-11 12:28:54 +02001133 .hw = &rt2800pci_mac80211_ops,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001134#ifdef CONFIG_RT2X00_LIB_DEBUGFS
Gertjan van Wingerde04d03622009-11-23 22:44:51 +01001135 .debugfs = &rt2800_rt2x00debug,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001136#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1137};
1138
1139/*
1140 * RT2800pci module information.
1141 */
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001142#ifdef CONFIG_PCI
Alexey Dobriyana3aa1882010-01-07 11:58:11 +00001143static DEFINE_PCI_DEVICE_TABLE(rt2800pci_device_table) = {
Gertjan van Wingerdee01ae272011-04-18 15:32:13 +02001144 { PCI_DEVICE(0x1814, 0x0601) },
1145 { PCI_DEVICE(0x1814, 0x0681) },
1146 { PCI_DEVICE(0x1814, 0x0701) },
1147 { PCI_DEVICE(0x1814, 0x0781) },
1148 { PCI_DEVICE(0x1814, 0x3090) },
1149 { PCI_DEVICE(0x1814, 0x3091) },
1150 { PCI_DEVICE(0x1814, 0x3092) },
1151 { PCI_DEVICE(0x1432, 0x7708) },
1152 { PCI_DEVICE(0x1432, 0x7727) },
1153 { PCI_DEVICE(0x1432, 0x7728) },
1154 { PCI_DEVICE(0x1432, 0x7738) },
1155 { PCI_DEVICE(0x1432, 0x7748) },
1156 { PCI_DEVICE(0x1432, 0x7758) },
1157 { PCI_DEVICE(0x1432, 0x7768) },
1158 { PCI_DEVICE(0x1462, 0x891a) },
1159 { PCI_DEVICE(0x1a3b, 0x1059) },
Woody Hunga89534e2012-06-13 15:01:16 +08001160#ifdef CONFIG_RT2800PCI_RT3290
1161 { PCI_DEVICE(0x1814, 0x3290) },
1162#endif
Gertjan van Wingerdef93bc9b2010-11-13 19:09:50 +01001163#ifdef CONFIG_RT2800PCI_RT33XX
Gertjan van Wingerdee01ae272011-04-18 15:32:13 +02001164 { PCI_DEVICE(0x1814, 0x3390) },
Gertjan van Wingerdef93bc9b2010-11-13 19:09:50 +01001165#endif
Gertjan van Wingerdede1ebdc2010-02-14 12:52:05 +01001166#ifdef CONFIG_RT2800PCI_RT35XX
Gertjan van Wingerdee01ae272011-04-18 15:32:13 +02001167 { PCI_DEVICE(0x1432, 0x7711) },
1168 { PCI_DEVICE(0x1432, 0x7722) },
1169 { PCI_DEVICE(0x1814, 0x3060) },
1170 { PCI_DEVICE(0x1814, 0x3062) },
1171 { PCI_DEVICE(0x1814, 0x3562) },
1172 { PCI_DEVICE(0x1814, 0x3592) },
1173 { PCI_DEVICE(0x1814, 0x3593) },
Xose Vazquez Perezc4806012013-02-01 14:28:49 +01001174 { PCI_DEVICE(0x1814, 0x359f) },
Gertjan van Wingerdede1ebdc2010-02-14 12:52:05 +01001175#endif
RA-Shiang Tu60687ba2011-02-20 13:57:46 +01001176#ifdef CONFIG_RT2800PCI_RT53XX
villacis@palosanto.comccf91bd2012-05-16 21:07:12 +02001177 { PCI_DEVICE(0x1814, 0x5360) },
Xose Vazquez Perezf57d7b62012-04-14 23:33:21 +02001178 { PCI_DEVICE(0x1814, 0x5362) },
Gertjan van Wingerdee01ae272011-04-18 15:32:13 +02001179 { PCI_DEVICE(0x1814, 0x5390) },
Xose Vazquez Perezf57d7b62012-04-14 23:33:21 +02001180 { PCI_DEVICE(0x1814, 0x5392) },
zero.lin5126d972011-08-31 20:43:52 +02001181 { PCI_DEVICE(0x1814, 0x539a) },
Zero.Lin2aed6912012-05-10 10:06:31 +08001182 { PCI_DEVICE(0x1814, 0x539b) },
Gertjan van Wingerde71e0b382011-07-06 22:58:55 +02001183 { PCI_DEVICE(0x1814, 0x539f) },
RA-Shiang Tu60687ba2011-02-20 13:57:46 +01001184#endif
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001185 { 0, }
1186};
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001187#endif /* CONFIG_PCI */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001188
1189MODULE_AUTHOR(DRV_PROJECT);
1190MODULE_VERSION(DRV_VERSION);
1191MODULE_DESCRIPTION("Ralink RT2800 PCI & PCMCIA Wireless LAN driver.");
1192MODULE_SUPPORTED_DEVICE("Ralink RT2860 PCI & PCMCIA chipset based cards");
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001193#ifdef CONFIG_PCI
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001194MODULE_FIRMWARE(FIRMWARE_RT2860);
1195MODULE_DEVICE_TABLE(pci, rt2800pci_device_table);
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001196#endif /* CONFIG_PCI */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001197MODULE_LICENSE("GPL");
1198
John Crispin5818a462013-03-13 13:20:15 +01001199#if defined(CONFIG_SOC_RT288X) || defined(CONFIG_SOC_RT305X)
Gertjan van Wingerde714fa662010-02-13 20:55:48 +01001200static int rt2800soc_probe(struct platform_device *pdev)
1201{
Helmut Schaa6e93d712010-03-02 16:34:49 +01001202 return rt2x00soc_probe(pdev, &rt2800pci_ops);
Gertjan van Wingerde714fa662010-02-13 20:55:48 +01001203}
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001204
1205static struct platform_driver rt2800soc_driver = {
1206 .driver = {
1207 .name = "rt2800_wmac",
1208 .owner = THIS_MODULE,
1209 .mod_name = KBUILD_MODNAME,
1210 },
Gertjan van Wingerde714fa662010-02-13 20:55:48 +01001211 .probe = rt2800soc_probe,
Bill Pemberton69202352012-12-03 09:56:39 -05001212 .remove = rt2x00soc_remove,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001213 .suspend = rt2x00soc_suspend,
1214 .resume = rt2x00soc_resume,
1215};
John Crispin5818a462013-03-13 13:20:15 +01001216#endif /* CONFIG_SOC_RT288X || CONFIG_SOC_RT305X */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001217
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001218#ifdef CONFIG_PCI
Gertjan van Wingerdee01ae272011-04-18 15:32:13 +02001219static int rt2800pci_probe(struct pci_dev *pci_dev,
1220 const struct pci_device_id *id)
1221{
1222 return rt2x00pci_probe(pci_dev, &rt2800pci_ops);
1223}
1224
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001225static struct pci_driver rt2800pci_driver = {
1226 .name = KBUILD_MODNAME,
1227 .id_table = rt2800pci_device_table,
Gertjan van Wingerdee01ae272011-04-18 15:32:13 +02001228 .probe = rt2800pci_probe,
Bill Pemberton69202352012-12-03 09:56:39 -05001229 .remove = rt2x00pci_remove,
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001230 .suspend = rt2x00pci_suspend,
1231 .resume = rt2x00pci_resume,
1232};
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001233#endif /* CONFIG_PCI */
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001234
1235static int __init rt2800pci_init(void)
1236{
1237 int ret = 0;
1238
John Crispin5818a462013-03-13 13:20:15 +01001239#if defined(CONFIG_SOC_RT288X) || defined(CONFIG_SOC_RT305X)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001240 ret = platform_driver_register(&rt2800soc_driver);
1241 if (ret)
1242 return ret;
1243#endif
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001244#ifdef CONFIG_PCI
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001245 ret = pci_register_driver(&rt2800pci_driver);
1246 if (ret) {
John Crispin5818a462013-03-13 13:20:15 +01001247#if defined(CONFIG_SOC_RT288X) || defined(CONFIG_SOC_RT305X)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001248 platform_driver_unregister(&rt2800soc_driver);
1249#endif
1250 return ret;
1251 }
1252#endif
1253
1254 return ret;
1255}
1256
1257static void __exit rt2800pci_exit(void)
1258{
Gertjan van Wingerde72c72962010-11-13 19:10:54 +01001259#ifdef CONFIG_PCI
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001260 pci_unregister_driver(&rt2800pci_driver);
1261#endif
John Crispin5818a462013-03-13 13:20:15 +01001262#if defined(CONFIG_SOC_RT288X) || defined(CONFIG_SOC_RT305X)
Ivo van Doorna9b3a9f2009-10-15 22:04:14 +02001263 platform_driver_unregister(&rt2800soc_driver);
1264#endif
1265}
1266
1267module_init(rt2800pci_init);
1268module_exit(rt2800pci_exit);