2 Copyright (C) 2009 - 2010 Ivo van Doorn <IvDoorn@gmail.com>
3 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>
10 <http://rt2x00.serialmonkey.com>
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.
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.
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.
30 Abstract: rt2800pci device specific routines.
31 Supported chipsets: RT2800E & RT2800ED.
34 #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/eeprom_93cx6.h>
43 #include "rt2x00mmio.h"
44 #include "rt2x00pci.h"
45 #include "rt2800lib.h"
46 #include "rt2800mmio.h"
48 #include "rt2800pci.h"
51 * Allow hardware encryption to be disabled.
53 static bool modparam_nohwcrypt
= false;
54 module_param_named(nohwcrypt
, modparam_nohwcrypt
, bool, S_IRUGO
);
55 MODULE_PARM_DESC(nohwcrypt
, "Disable hardware encryption.");
57 static bool rt2800pci_hwcrypt_disabled(struct rt2x00_dev
*rt2x00dev
)
59 return modparam_nohwcrypt
;
62 static void rt2800pci_mcu_status(struct rt2x00_dev
*rt2x00dev
, const u8 token
)
68 * SOC devices don't support MCU requests.
70 if (rt2x00_is_soc(rt2x00dev
))
73 for (i
= 0; i
< 200; i
++) {
74 rt2x00mmio_register_read(rt2x00dev
, H2M_MAILBOX_CID
, ®
);
76 if ((rt2x00_get_field32(reg
, H2M_MAILBOX_CID_CMD0
) == token
) ||
77 (rt2x00_get_field32(reg
, H2M_MAILBOX_CID_CMD1
) == token
) ||
78 (rt2x00_get_field32(reg
, H2M_MAILBOX_CID_CMD2
) == token
) ||
79 (rt2x00_get_field32(reg
, H2M_MAILBOX_CID_CMD3
) == token
))
82 udelay(REGISTER_BUSY_DELAY
);
86 rt2x00_err(rt2x00dev
, "MCU request failed, no response from hardware\n");
88 rt2x00mmio_register_write(rt2x00dev
, H2M_MAILBOX_STATUS
, ~0);
89 rt2x00mmio_register_write(rt2x00dev
, H2M_MAILBOX_CID
, ~0);
92 static void rt2800pci_eepromregister_read(struct eeprom_93cx6
*eeprom
)
94 struct rt2x00_dev
*rt2x00dev
= eeprom
->data
;
97 rt2x00mmio_register_read(rt2x00dev
, E2PROM_CSR
, ®
);
99 eeprom
->reg_data_in
= !!rt2x00_get_field32(reg
, E2PROM_CSR_DATA_IN
);
100 eeprom
->reg_data_out
= !!rt2x00_get_field32(reg
, E2PROM_CSR_DATA_OUT
);
101 eeprom
->reg_data_clock
=
102 !!rt2x00_get_field32(reg
, E2PROM_CSR_DATA_CLOCK
);
103 eeprom
->reg_chip_select
=
104 !!rt2x00_get_field32(reg
, E2PROM_CSR_CHIP_SELECT
);
107 static void rt2800pci_eepromregister_write(struct eeprom_93cx6
*eeprom
)
109 struct rt2x00_dev
*rt2x00dev
= eeprom
->data
;
112 rt2x00_set_field32(®
, E2PROM_CSR_DATA_IN
, !!eeprom
->reg_data_in
);
113 rt2x00_set_field32(®
, E2PROM_CSR_DATA_OUT
, !!eeprom
->reg_data_out
);
114 rt2x00_set_field32(®
, E2PROM_CSR_DATA_CLOCK
,
115 !!eeprom
->reg_data_clock
);
116 rt2x00_set_field32(®
, E2PROM_CSR_CHIP_SELECT
,
117 !!eeprom
->reg_chip_select
);
119 rt2x00mmio_register_write(rt2x00dev
, E2PROM_CSR
, reg
);
122 static int rt2800pci_read_eeprom_pci(struct rt2x00_dev
*rt2x00dev
)
124 struct eeprom_93cx6 eeprom
;
127 rt2x00mmio_register_read(rt2x00dev
, E2PROM_CSR
, ®
);
129 eeprom
.data
= rt2x00dev
;
130 eeprom
.register_read
= rt2800pci_eepromregister_read
;
131 eeprom
.register_write
= rt2800pci_eepromregister_write
;
132 switch (rt2x00_get_field32(reg
, E2PROM_CSR_TYPE
))
135 eeprom
.width
= PCI_EEPROM_WIDTH_93C46
;
138 eeprom
.width
= PCI_EEPROM_WIDTH_93C66
;
141 eeprom
.width
= PCI_EEPROM_WIDTH_93C86
;
144 eeprom
.reg_data_in
= 0;
145 eeprom
.reg_data_out
= 0;
146 eeprom
.reg_data_clock
= 0;
147 eeprom
.reg_chip_select
= 0;
149 eeprom_93cx6_multiread(&eeprom
, EEPROM_BASE
, rt2x00dev
->eeprom
,
150 EEPROM_SIZE
/ sizeof(u16
));
155 static int rt2800pci_efuse_detect(struct rt2x00_dev
*rt2x00dev
)
157 return rt2800_efuse_detect(rt2x00dev
);
160 static inline int rt2800pci_read_eeprom_efuse(struct rt2x00_dev
*rt2x00dev
)
162 return rt2800_read_eeprom_efuse(rt2x00dev
);
168 static char *rt2800pci_get_firmware_name(struct rt2x00_dev
*rt2x00dev
)
171 * Chip rt3290 use specific 4KB firmware named rt3290.bin.
173 if (rt2x00_rt(rt2x00dev
, RT3290
))
174 return FIRMWARE_RT3290
;
176 return FIRMWARE_RT2860
;
179 static int rt2800pci_write_firmware(struct rt2x00_dev
*rt2x00dev
,
180 const u8
*data
, const size_t len
)
185 * enable Host program ram write selection
188 rt2x00_set_field32(®
, PBF_SYS_CTRL_HOST_RAM_WRITE
, 1);
189 rt2x00mmio_register_write(rt2x00dev
, PBF_SYS_CTRL
, reg
);
192 * Write firmware to device.
194 rt2x00mmio_register_multiwrite(rt2x00dev
, FIRMWARE_IMAGE_BASE
,
197 rt2x00mmio_register_write(rt2x00dev
, PBF_SYS_CTRL
, 0x00000);
198 rt2x00mmio_register_write(rt2x00dev
, PBF_SYS_CTRL
, 0x00001);
200 rt2x00mmio_register_write(rt2x00dev
, H2M_BBP_AGENT
, 0);
201 rt2x00mmio_register_write(rt2x00dev
, H2M_MAILBOX_CSR
, 0);
207 * Device state switch handlers.
209 static int rt2800pci_enable_radio(struct rt2x00_dev
*rt2x00dev
)
213 retval
= rt2800mmio_enable_radio(rt2x00dev
);
217 /* After resume MCU_BOOT_SIGNAL will trash these. */
218 rt2x00mmio_register_write(rt2x00dev
, H2M_MAILBOX_STATUS
, ~0);
219 rt2x00mmio_register_write(rt2x00dev
, H2M_MAILBOX_CID
, ~0);
221 rt2800_mcu_request(rt2x00dev
, MCU_SLEEP
, TOKEN_RADIO_OFF
, 0xff, 0x02);
222 rt2800pci_mcu_status(rt2x00dev
, TOKEN_RADIO_OFF
);
224 rt2800_mcu_request(rt2x00dev
, MCU_WAKEUP
, TOKEN_WAKEUP
, 0, 0);
225 rt2800pci_mcu_status(rt2x00dev
, TOKEN_WAKEUP
);
230 static int rt2800pci_set_state(struct rt2x00_dev
*rt2x00dev
,
231 enum dev_state state
)
233 if (state
== STATE_AWAKE
) {
234 rt2800_mcu_request(rt2x00dev
, MCU_WAKEUP
, TOKEN_WAKEUP
,
236 rt2800pci_mcu_status(rt2x00dev
, TOKEN_WAKEUP
);
237 } else if (state
== STATE_SLEEP
) {
238 rt2x00mmio_register_write(rt2x00dev
, H2M_MAILBOX_STATUS
,
240 rt2x00mmio_register_write(rt2x00dev
, H2M_MAILBOX_CID
,
242 rt2800_mcu_request(rt2x00dev
, MCU_SLEEP
, TOKEN_SLEEP
,
249 static int rt2800pci_set_device_state(struct rt2x00_dev
*rt2x00dev
,
250 enum dev_state state
)
256 retval
= rt2800pci_enable_radio(rt2x00dev
);
258 case STATE_RADIO_OFF
:
260 * After the radio has been disabled, the device should
261 * be put to sleep for powersaving.
263 rt2800pci_set_state(rt2x00dev
, STATE_SLEEP
);
265 case STATE_RADIO_IRQ_ON
:
266 case STATE_RADIO_IRQ_OFF
:
267 rt2800mmio_toggle_irq(rt2x00dev
, state
);
269 case STATE_DEEP_SLEEP
:
273 retval
= rt2800pci_set_state(rt2x00dev
, state
);
280 if (unlikely(retval
))
281 rt2x00_err(rt2x00dev
, "Device failed to enter state %d (%d)\n",
288 * Device probe functions.
290 static int rt2800pci_read_eeprom(struct rt2x00_dev
*rt2x00dev
)
294 if (rt2800pci_efuse_detect(rt2x00dev
))
295 retval
= rt2800pci_read_eeprom_efuse(rt2x00dev
);
297 retval
= rt2800pci_read_eeprom_pci(rt2x00dev
);
302 static const struct ieee80211_ops rt2800pci_mac80211_ops
= {
304 .start
= rt2x00mac_start
,
305 .stop
= rt2x00mac_stop
,
306 .add_interface
= rt2x00mac_add_interface
,
307 .remove_interface
= rt2x00mac_remove_interface
,
308 .config
= rt2x00mac_config
,
309 .configure_filter
= rt2x00mac_configure_filter
,
310 .set_key
= rt2x00mac_set_key
,
311 .sw_scan_start
= rt2x00mac_sw_scan_start
,
312 .sw_scan_complete
= rt2x00mac_sw_scan_complete
,
313 .get_stats
= rt2x00mac_get_stats
,
314 .get_tkip_seq
= rt2800_get_tkip_seq
,
315 .set_rts_threshold
= rt2800_set_rts_threshold
,
316 .sta_add
= rt2x00mac_sta_add
,
317 .sta_remove
= rt2x00mac_sta_remove
,
318 .bss_info_changed
= rt2x00mac_bss_info_changed
,
319 .conf_tx
= rt2800_conf_tx
,
320 .get_tsf
= rt2800_get_tsf
,
321 .rfkill_poll
= rt2x00mac_rfkill_poll
,
322 .ampdu_action
= rt2800_ampdu_action
,
323 .flush
= rt2x00mac_flush
,
324 .get_survey
= rt2800_get_survey
,
325 .get_ringparam
= rt2x00mac_get_ringparam
,
326 .tx_frames_pending
= rt2x00mac_tx_frames_pending
,
329 static const struct rt2800_ops rt2800pci_rt2800_ops
= {
330 .register_read
= rt2x00mmio_register_read
,
331 .register_read_lock
= rt2x00mmio_register_read
, /* same for PCI */
332 .register_write
= rt2x00mmio_register_write
,
333 .register_write_lock
= rt2x00mmio_register_write
, /* same for PCI */
334 .register_multiread
= rt2x00mmio_register_multiread
,
335 .register_multiwrite
= rt2x00mmio_register_multiwrite
,
336 .regbusy_read
= rt2x00mmio_regbusy_read
,
337 .read_eeprom
= rt2800pci_read_eeprom
,
338 .hwcrypt_disabled
= rt2800pci_hwcrypt_disabled
,
339 .drv_write_firmware
= rt2800pci_write_firmware
,
340 .drv_init_registers
= rt2800mmio_init_registers
,
341 .drv_get_txwi
= rt2800mmio_get_txwi
,
344 static const struct rt2x00lib_ops rt2800pci_rt2x00_ops
= {
345 .irq_handler
= rt2800mmio_interrupt
,
346 .txstatus_tasklet
= rt2800mmio_txstatus_tasklet
,
347 .pretbtt_tasklet
= rt2800mmio_pretbtt_tasklet
,
348 .tbtt_tasklet
= rt2800mmio_tbtt_tasklet
,
349 .rxdone_tasklet
= rt2800mmio_rxdone_tasklet
,
350 .autowake_tasklet
= rt2800mmio_autowake_tasklet
,
351 .probe_hw
= rt2800_probe_hw
,
352 .get_firmware_name
= rt2800pci_get_firmware_name
,
353 .check_firmware
= rt2800_check_firmware
,
354 .load_firmware
= rt2800_load_firmware
,
355 .initialize
= rt2x00mmio_initialize
,
356 .uninitialize
= rt2x00mmio_uninitialize
,
357 .get_entry_state
= rt2800mmio_get_entry_state
,
358 .clear_entry
= rt2800mmio_clear_entry
,
359 .set_device_state
= rt2800pci_set_device_state
,
360 .rfkill_poll
= rt2800_rfkill_poll
,
361 .link_stats
= rt2800_link_stats
,
362 .reset_tuner
= rt2800_reset_tuner
,
363 .link_tuner
= rt2800_link_tuner
,
364 .gain_calibration
= rt2800_gain_calibration
,
365 .vco_calibration
= rt2800_vco_calibration
,
366 .start_queue
= rt2800mmio_start_queue
,
367 .kick_queue
= rt2800mmio_kick_queue
,
368 .stop_queue
= rt2800mmio_stop_queue
,
369 .flush_queue
= rt2x00mmio_flush_queue
,
370 .write_tx_desc
= rt2800mmio_write_tx_desc
,
371 .write_tx_data
= rt2800_write_tx_data
,
372 .write_beacon
= rt2800_write_beacon
,
373 .clear_beacon
= rt2800_clear_beacon
,
374 .fill_rxdone
= rt2800mmio_fill_rxdone
,
375 .config_shared_key
= rt2800_config_shared_key
,
376 .config_pairwise_key
= rt2800_config_pairwise_key
,
377 .config_filter
= rt2800_config_filter
,
378 .config_intf
= rt2800_config_intf
,
379 .config_erp
= rt2800_config_erp
,
380 .config_ant
= rt2800_config_ant
,
381 .config
= rt2800_config
,
382 .sta_add
= rt2800_sta_add
,
383 .sta_remove
= rt2800_sta_remove
,
386 static const struct rt2x00_ops rt2800pci_ops
= {
387 .name
= KBUILD_MODNAME
,
388 .drv_data_size
= sizeof(struct rt2800_drv_data
),
390 .eeprom_size
= EEPROM_SIZE
,
392 .tx_queues
= NUM_TX_QUEUES
,
393 .queue_init
= rt2800mmio_queue_init
,
394 .lib
= &rt2800pci_rt2x00_ops
,
395 .drv
= &rt2800pci_rt2800_ops
,
396 .hw
= &rt2800pci_mac80211_ops
,
397 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
398 .debugfs
= &rt2800_rt2x00debug
,
399 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
403 * RT2800pci module information.
405 static DEFINE_PCI_DEVICE_TABLE(rt2800pci_device_table
) = {
406 { PCI_DEVICE(0x1814, 0x0601) },
407 { PCI_DEVICE(0x1814, 0x0681) },
408 { PCI_DEVICE(0x1814, 0x0701) },
409 { PCI_DEVICE(0x1814, 0x0781) },
410 { PCI_DEVICE(0x1814, 0x3090) },
411 { PCI_DEVICE(0x1814, 0x3091) },
412 { PCI_DEVICE(0x1814, 0x3092) },
413 { PCI_DEVICE(0x1432, 0x7708) },
414 { PCI_DEVICE(0x1432, 0x7727) },
415 { PCI_DEVICE(0x1432, 0x7728) },
416 { PCI_DEVICE(0x1432, 0x7738) },
417 { PCI_DEVICE(0x1432, 0x7748) },
418 { PCI_DEVICE(0x1432, 0x7758) },
419 { PCI_DEVICE(0x1432, 0x7768) },
420 { PCI_DEVICE(0x1462, 0x891a) },
421 { PCI_DEVICE(0x1a3b, 0x1059) },
422 #ifdef CONFIG_RT2800PCI_RT3290
423 { PCI_DEVICE(0x1814, 0x3290) },
425 #ifdef CONFIG_RT2800PCI_RT33XX
426 { PCI_DEVICE(0x1814, 0x3390) },
428 #ifdef CONFIG_RT2800PCI_RT35XX
429 { PCI_DEVICE(0x1432, 0x7711) },
430 { PCI_DEVICE(0x1432, 0x7722) },
431 { PCI_DEVICE(0x1814, 0x3060) },
432 { PCI_DEVICE(0x1814, 0x3062) },
433 { PCI_DEVICE(0x1814, 0x3562) },
434 { PCI_DEVICE(0x1814, 0x3592) },
435 { PCI_DEVICE(0x1814, 0x3593) },
436 { PCI_DEVICE(0x1814, 0x359f) },
438 #ifdef CONFIG_RT2800PCI_RT53XX
439 { PCI_DEVICE(0x1814, 0x5360) },
440 { PCI_DEVICE(0x1814, 0x5362) },
441 { PCI_DEVICE(0x1814, 0x5390) },
442 { PCI_DEVICE(0x1814, 0x5392) },
443 { PCI_DEVICE(0x1814, 0x539a) },
444 { PCI_DEVICE(0x1814, 0x539b) },
445 { PCI_DEVICE(0x1814, 0x539f) },
450 MODULE_AUTHOR(DRV_PROJECT
);
451 MODULE_VERSION(DRV_VERSION
);
452 MODULE_DESCRIPTION("Ralink RT2800 PCI & PCMCIA Wireless LAN driver.");
453 MODULE_SUPPORTED_DEVICE("Ralink RT2860 PCI & PCMCIA chipset based cards");
454 MODULE_FIRMWARE(FIRMWARE_RT2860
);
455 MODULE_DEVICE_TABLE(pci
, rt2800pci_device_table
);
456 MODULE_LICENSE("GPL");
458 static int rt2800pci_probe(struct pci_dev
*pci_dev
,
459 const struct pci_device_id
*id
)
461 return rt2x00pci_probe(pci_dev
, &rt2800pci_ops
);
464 static struct pci_driver rt2800pci_driver
= {
465 .name
= KBUILD_MODNAME
,
466 .id_table
= rt2800pci_device_table
,
467 .probe
= rt2800pci_probe
,
468 .remove
= rt2x00pci_remove
,
469 .suspend
= rt2x00pci_suspend
,
470 .resume
= rt2x00pci_resume
,
473 module_pci_driver(rt2800pci_driver
);