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/platform_device.h>
41 #include <linux/eeprom_93cx6.h>
44 #include "rt2x00mmio.h"
45 #include "rt2x00pci.h"
46 #include "rt2x00soc.h"
47 #include "rt2800lib.h"
48 #include "rt2800mmio.h"
50 #include "rt2800pci.h"
53 * Allow hardware encryption to be disabled.
55 static bool modparam_nohwcrypt = false;
56 module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
57 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
59 static bool rt2800pci_hwcrypt_disabled(struct rt2x00_dev *rt2x00dev)
61 return modparam_nohwcrypt;
64 static void rt2800pci_mcu_status(struct rt2x00_dev *rt2x00dev, const u8 token)
70 * SOC devices don't support MCU requests.
72 if (rt2x00_is_soc(rt2x00dev))
75 for (i = 0; i < 200; i++) {
76 rt2x00mmio_register_read(rt2x00dev, H2M_MAILBOX_CID, ®);
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))
84 udelay(REGISTER_BUSY_DELAY);
88 rt2x00_err(rt2x00dev, "MCU request failed, no response from hardware\n");
90 rt2x00mmio_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
91 rt2x00mmio_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
94 #if defined(CONFIG_SOC_RT288X) || defined(CONFIG_SOC_RT305X)
95 static int rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev)
97 void __iomem *base_addr = ioremap(0x1F040000, EEPROM_SIZE);
102 memcpy_fromio(rt2x00dev->eeprom, base_addr, EEPROM_SIZE);
108 static inline int rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev)
112 #endif /* CONFIG_SOC_RT288X || CONFIG_SOC_RT305X */
115 static void rt2800pci_eepromregister_read(struct eeprom_93cx6 *eeprom)
117 struct rt2x00_dev *rt2x00dev = eeprom->data;
120 rt2x00mmio_register_read(rt2x00dev, E2PROM_CSR, ®);
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);
130 static void rt2800pci_eepromregister_write(struct eeprom_93cx6 *eeprom)
132 struct rt2x00_dev *rt2x00dev = eeprom->data;
135 rt2x00_set_field32(®, E2PROM_CSR_DATA_IN, !!eeprom->reg_data_in);
136 rt2x00_set_field32(®, E2PROM_CSR_DATA_OUT, !!eeprom->reg_data_out);
137 rt2x00_set_field32(®, E2PROM_CSR_DATA_CLOCK,
138 !!eeprom->reg_data_clock);
139 rt2x00_set_field32(®, E2PROM_CSR_CHIP_SELECT,
140 !!eeprom->reg_chip_select);
142 rt2x00mmio_register_write(rt2x00dev, E2PROM_CSR, reg);
145 static int rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev)
147 struct eeprom_93cx6 eeprom;
150 rt2x00mmio_register_read(rt2x00dev, E2PROM_CSR, ®);
152 eeprom.data = rt2x00dev;
153 eeprom.register_read = rt2800pci_eepromregister_read;
154 eeprom.register_write = rt2800pci_eepromregister_write;
155 switch (rt2x00_get_field32(reg, E2PROM_CSR_TYPE))
158 eeprom.width = PCI_EEPROM_WIDTH_93C46;
161 eeprom.width = PCI_EEPROM_WIDTH_93C66;
164 eeprom.width = PCI_EEPROM_WIDTH_93C86;
167 eeprom.reg_data_in = 0;
168 eeprom.reg_data_out = 0;
169 eeprom.reg_data_clock = 0;
170 eeprom.reg_chip_select = 0;
172 eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom,
173 EEPROM_SIZE / sizeof(u16));
178 static int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev)
180 return rt2800_efuse_detect(rt2x00dev);
183 static inline int rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
185 return rt2800_read_eeprom_efuse(rt2x00dev);
188 static inline int rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev)
193 static inline int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev)
198 static inline int rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
202 #endif /* CONFIG_PCI */
207 static char *rt2800pci_get_firmware_name(struct rt2x00_dev *rt2x00dev)
210 * Chip rt3290 use specific 4KB firmware named rt3290.bin.
212 if (rt2x00_rt(rt2x00dev, RT3290))
213 return FIRMWARE_RT3290;
215 return FIRMWARE_RT2860;
218 static int rt2800pci_write_firmware(struct rt2x00_dev *rt2x00dev,
219 const u8 *data, const size_t len)
224 * enable Host program ram write selection
227 rt2x00_set_field32(®, PBF_SYS_CTRL_HOST_RAM_WRITE, 1);
228 rt2x00mmio_register_write(rt2x00dev, PBF_SYS_CTRL, reg);
231 * Write firmware to device.
233 rt2x00mmio_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
236 rt2x00mmio_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000);
237 rt2x00mmio_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001);
239 rt2x00mmio_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
240 rt2x00mmio_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
246 * Device state switch handlers.
248 static int rt2800pci_enable_radio(struct rt2x00_dev *rt2x00dev)
252 /* Wait for DMA, ignore error until we initialize queues. */
253 rt2800_wait_wpdma_ready(rt2x00dev);
255 if (unlikely(rt2800mmio_init_queues(rt2x00dev)))
258 retval = rt2800_enable_radio(rt2x00dev);
262 /* After resume MCU_BOOT_SIGNAL will trash these. */
263 rt2x00mmio_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
264 rt2x00mmio_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
266 rt2800_mcu_request(rt2x00dev, MCU_SLEEP, TOKEN_RADIO_OFF, 0xff, 0x02);
267 rt2800pci_mcu_status(rt2x00dev, TOKEN_RADIO_OFF);
269 rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKEUP, 0, 0);
270 rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKEUP);
275 static void rt2800pci_disable_radio(struct rt2x00_dev *rt2x00dev)
277 if (rt2x00_is_soc(rt2x00dev)) {
278 rt2800_disable_radio(rt2x00dev);
279 rt2x00mmio_register_write(rt2x00dev, PWR_PIN_CFG, 0);
280 rt2x00mmio_register_write(rt2x00dev, TX_PIN_CFG, 0);
284 static int rt2800pci_set_state(struct rt2x00_dev *rt2x00dev,
285 enum dev_state state)
287 if (state == STATE_AWAKE) {
288 rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKEUP,
290 rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKEUP);
291 } else if (state == STATE_SLEEP) {
292 rt2x00mmio_register_write(rt2x00dev, H2M_MAILBOX_STATUS,
294 rt2x00mmio_register_write(rt2x00dev, H2M_MAILBOX_CID,
296 rt2800_mcu_request(rt2x00dev, MCU_SLEEP, TOKEN_SLEEP,
303 static int rt2800pci_set_device_state(struct rt2x00_dev *rt2x00dev,
304 enum dev_state state)
310 retval = rt2800pci_enable_radio(rt2x00dev);
312 case STATE_RADIO_OFF:
314 * After the radio has been disabled, the device should
315 * be put to sleep for powersaving.
317 rt2800pci_disable_radio(rt2x00dev);
318 rt2800pci_set_state(rt2x00dev, STATE_SLEEP);
320 case STATE_RADIO_IRQ_ON:
321 case STATE_RADIO_IRQ_OFF:
322 rt2800mmio_toggle_irq(rt2x00dev, state);
324 case STATE_DEEP_SLEEP:
328 retval = rt2800pci_set_state(rt2x00dev, state);
335 if (unlikely(retval))
336 rt2x00_err(rt2x00dev, "Device failed to enter state %d (%d)\n",
343 * Device probe functions.
345 static int rt2800pci_read_eeprom(struct rt2x00_dev *rt2x00dev)
349 if (rt2x00_is_soc(rt2x00dev))
350 retval = rt2800pci_read_eeprom_soc(rt2x00dev);
351 else if (rt2800pci_efuse_detect(rt2x00dev))
352 retval = rt2800pci_read_eeprom_efuse(rt2x00dev);
354 retval = rt2800pci_read_eeprom_pci(rt2x00dev);
359 static const struct ieee80211_ops rt2800pci_mac80211_ops = {
361 .start = rt2x00mac_start,
362 .stop = rt2x00mac_stop,
363 .add_interface = rt2x00mac_add_interface,
364 .remove_interface = rt2x00mac_remove_interface,
365 .config = rt2x00mac_config,
366 .configure_filter = rt2x00mac_configure_filter,
367 .set_key = rt2x00mac_set_key,
368 .sw_scan_start = rt2x00mac_sw_scan_start,
369 .sw_scan_complete = rt2x00mac_sw_scan_complete,
370 .get_stats = rt2x00mac_get_stats,
371 .get_tkip_seq = rt2800_get_tkip_seq,
372 .set_rts_threshold = rt2800_set_rts_threshold,
373 .sta_add = rt2x00mac_sta_add,
374 .sta_remove = rt2x00mac_sta_remove,
375 .bss_info_changed = rt2x00mac_bss_info_changed,
376 .conf_tx = rt2800_conf_tx,
377 .get_tsf = rt2800_get_tsf,
378 .rfkill_poll = rt2x00mac_rfkill_poll,
379 .ampdu_action = rt2800_ampdu_action,
380 .flush = rt2x00mac_flush,
381 .get_survey = rt2800_get_survey,
382 .get_ringparam = rt2x00mac_get_ringparam,
383 .tx_frames_pending = rt2x00mac_tx_frames_pending,
386 static const struct rt2800_ops rt2800pci_rt2800_ops = {
387 .register_read = rt2x00mmio_register_read,
388 .register_read_lock = rt2x00mmio_register_read, /* same for PCI */
389 .register_write = rt2x00mmio_register_write,
390 .register_write_lock = rt2x00mmio_register_write, /* same for PCI */
391 .register_multiread = rt2x00mmio_register_multiread,
392 .register_multiwrite = rt2x00mmio_register_multiwrite,
393 .regbusy_read = rt2x00mmio_regbusy_read,
394 .read_eeprom = rt2800pci_read_eeprom,
395 .hwcrypt_disabled = rt2800pci_hwcrypt_disabled,
396 .drv_write_firmware = rt2800pci_write_firmware,
397 .drv_init_registers = rt2800mmio_init_registers,
398 .drv_get_txwi = rt2800mmio_get_txwi,
401 static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = {
402 .irq_handler = rt2800mmio_interrupt,
403 .txstatus_tasklet = rt2800mmio_txstatus_tasklet,
404 .pretbtt_tasklet = rt2800mmio_pretbtt_tasklet,
405 .tbtt_tasklet = rt2800mmio_tbtt_tasklet,
406 .rxdone_tasklet = rt2800mmio_rxdone_tasklet,
407 .autowake_tasklet = rt2800mmio_autowake_tasklet,
408 .probe_hw = rt2800_probe_hw,
409 .get_firmware_name = rt2800pci_get_firmware_name,
410 .check_firmware = rt2800_check_firmware,
411 .load_firmware = rt2800_load_firmware,
412 .initialize = rt2x00mmio_initialize,
413 .uninitialize = rt2x00mmio_uninitialize,
414 .get_entry_state = rt2800mmio_get_entry_state,
415 .clear_entry = rt2800mmio_clear_entry,
416 .set_device_state = rt2800pci_set_device_state,
417 .rfkill_poll = rt2800_rfkill_poll,
418 .link_stats = rt2800_link_stats,
419 .reset_tuner = rt2800_reset_tuner,
420 .link_tuner = rt2800_link_tuner,
421 .gain_calibration = rt2800_gain_calibration,
422 .vco_calibration = rt2800_vco_calibration,
423 .start_queue = rt2800mmio_start_queue,
424 .kick_queue = rt2800mmio_kick_queue,
425 .stop_queue = rt2800mmio_stop_queue,
426 .flush_queue = rt2x00mmio_flush_queue,
427 .write_tx_desc = rt2800mmio_write_tx_desc,
428 .write_tx_data = rt2800_write_tx_data,
429 .write_beacon = rt2800_write_beacon,
430 .clear_beacon = rt2800_clear_beacon,
431 .fill_rxdone = rt2800mmio_fill_rxdone,
432 .config_shared_key = rt2800_config_shared_key,
433 .config_pairwise_key = rt2800_config_pairwise_key,
434 .config_filter = rt2800_config_filter,
435 .config_intf = rt2800_config_intf,
436 .config_erp = rt2800_config_erp,
437 .config_ant = rt2800_config_ant,
438 .config = rt2800_config,
439 .sta_add = rt2800_sta_add,
440 .sta_remove = rt2800_sta_remove,
443 static const struct rt2x00_ops rt2800pci_ops = {
444 .name = KBUILD_MODNAME,
445 .drv_data_size = sizeof(struct rt2800_drv_data),
447 .eeprom_size = EEPROM_SIZE,
449 .tx_queues = NUM_TX_QUEUES,
450 .queue_init = rt2800mmio_queue_init,
451 .lib = &rt2800pci_rt2x00_ops,
452 .drv = &rt2800pci_rt2800_ops,
453 .hw = &rt2800pci_mac80211_ops,
454 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
455 .debugfs = &rt2800_rt2x00debug,
456 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
460 * RT2800pci module information.
463 static DEFINE_PCI_DEVICE_TABLE(rt2800pci_device_table) = {
464 { PCI_DEVICE(0x1814, 0x0601) },
465 { PCI_DEVICE(0x1814, 0x0681) },
466 { PCI_DEVICE(0x1814, 0x0701) },
467 { PCI_DEVICE(0x1814, 0x0781) },
468 { PCI_DEVICE(0x1814, 0x3090) },
469 { PCI_DEVICE(0x1814, 0x3091) },
470 { PCI_DEVICE(0x1814, 0x3092) },
471 { PCI_DEVICE(0x1432, 0x7708) },
472 { PCI_DEVICE(0x1432, 0x7727) },
473 { PCI_DEVICE(0x1432, 0x7728) },
474 { PCI_DEVICE(0x1432, 0x7738) },
475 { PCI_DEVICE(0x1432, 0x7748) },
476 { PCI_DEVICE(0x1432, 0x7758) },
477 { PCI_DEVICE(0x1432, 0x7768) },
478 { PCI_DEVICE(0x1462, 0x891a) },
479 { PCI_DEVICE(0x1a3b, 0x1059) },
480 #ifdef CONFIG_RT2800PCI_RT3290
481 { PCI_DEVICE(0x1814, 0x3290) },
483 #ifdef CONFIG_RT2800PCI_RT33XX
484 { PCI_DEVICE(0x1814, 0x3390) },
486 #ifdef CONFIG_RT2800PCI_RT35XX
487 { PCI_DEVICE(0x1432, 0x7711) },
488 { PCI_DEVICE(0x1432, 0x7722) },
489 { PCI_DEVICE(0x1814, 0x3060) },
490 { PCI_DEVICE(0x1814, 0x3062) },
491 { PCI_DEVICE(0x1814, 0x3562) },
492 { PCI_DEVICE(0x1814, 0x3592) },
493 { PCI_DEVICE(0x1814, 0x3593) },
494 { PCI_DEVICE(0x1814, 0x359f) },
496 #ifdef CONFIG_RT2800PCI_RT53XX
497 { PCI_DEVICE(0x1814, 0x5360) },
498 { PCI_DEVICE(0x1814, 0x5362) },
499 { PCI_DEVICE(0x1814, 0x5390) },
500 { PCI_DEVICE(0x1814, 0x5392) },
501 { PCI_DEVICE(0x1814, 0x539a) },
502 { PCI_DEVICE(0x1814, 0x539b) },
503 { PCI_DEVICE(0x1814, 0x539f) },
507 #endif /* CONFIG_PCI */
509 MODULE_AUTHOR(DRV_PROJECT);
510 MODULE_VERSION(DRV_VERSION);
511 MODULE_DESCRIPTION("Ralink RT2800 PCI & PCMCIA Wireless LAN driver.");
512 MODULE_SUPPORTED_DEVICE("Ralink RT2860 PCI & PCMCIA chipset based cards");
514 MODULE_FIRMWARE(FIRMWARE_RT2860);
515 MODULE_DEVICE_TABLE(pci, rt2800pci_device_table);
516 #endif /* CONFIG_PCI */
517 MODULE_LICENSE("GPL");
519 #if defined(CONFIG_SOC_RT288X) || defined(CONFIG_SOC_RT305X)
520 static int rt2800soc_probe(struct platform_device *pdev)
522 return rt2x00soc_probe(pdev, &rt2800pci_ops);
525 static struct platform_driver rt2800soc_driver = {
527 .name = "rt2800_wmac",
528 .owner = THIS_MODULE,
529 .mod_name = KBUILD_MODNAME,
531 .probe = rt2800soc_probe,
532 .remove = rt2x00soc_remove,
533 .suspend = rt2x00soc_suspend,
534 .resume = rt2x00soc_resume,
536 #endif /* CONFIG_SOC_RT288X || CONFIG_SOC_RT305X */
539 static int rt2800pci_probe(struct pci_dev *pci_dev,
540 const struct pci_device_id *id)
542 return rt2x00pci_probe(pci_dev, &rt2800pci_ops);
545 static struct pci_driver rt2800pci_driver = {
546 .name = KBUILD_MODNAME,
547 .id_table = rt2800pci_device_table,
548 .probe = rt2800pci_probe,
549 .remove = rt2x00pci_remove,
550 .suspend = rt2x00pci_suspend,
551 .resume = rt2x00pci_resume,
553 #endif /* CONFIG_PCI */
555 static int __init rt2800pci_init(void)
559 #if defined(CONFIG_SOC_RT288X) || defined(CONFIG_SOC_RT305X)
560 ret = platform_driver_register(&rt2800soc_driver);
565 ret = pci_register_driver(&rt2800pci_driver);
567 #if defined(CONFIG_SOC_RT288X) || defined(CONFIG_SOC_RT305X)
568 platform_driver_unregister(&rt2800soc_driver);
577 static void __exit rt2800pci_exit(void)
580 pci_unregister_driver(&rt2800pci_driver);
582 #if defined(CONFIG_SOC_RT288X) || defined(CONFIG_SOC_RT305X)
583 platform_driver_unregister(&rt2800soc_driver);
587 module_init(rt2800pci_init);
588 module_exit(rt2800pci_exit);