2 * This file is part of wl1251
4 * Copyright (c) 1998-2007 Texas Instruments Incorporated
5 * Copyright (C) 2008-2009 Nokia Corporation
7 * Contact: Kalle Valo <kalle.valo@nokia.com>
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * version 2 as published by the Free Software Foundation.
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
28 #include <linux/mutex.h>
29 #include <linux/list.h>
30 #include <linux/bitops.h>
31 #include <net/mac80211.h>
33 #define DRIVER_NAME "wl1251"
34 #define DRIVER_PREFIX DRIVER_NAME ": "
41 DEBUG_MAILBOX
= BIT(3),
42 DEBUG_NETLINK
= BIT(4),
49 DEBUG_MAC80211
= BIT(11),
55 #define DEBUG_LEVEL (DEBUG_NONE)
57 #define DEBUG_DUMP_LIMIT 1024
59 #define wl1251_error(fmt, arg...) \
60 printk(KERN_ERR DRIVER_PREFIX "ERROR " fmt "\n", ##arg)
62 #define wl1251_warning(fmt, arg...) \
63 printk(KERN_WARNING DRIVER_PREFIX "WARNING " fmt "\n", ##arg)
65 #define wl1251_notice(fmt, arg...) \
66 printk(KERN_INFO DRIVER_PREFIX fmt "\n", ##arg)
68 #define wl1251_info(fmt, arg...) \
69 printk(KERN_DEBUG DRIVER_PREFIX fmt "\n", ##arg)
71 #define wl1251_debug(level, fmt, arg...) \
73 if (level & DEBUG_LEVEL) \
74 printk(KERN_DEBUG DRIVER_PREFIX fmt "\n", ##arg); \
77 #define wl1251_dump(level, prefix, buf, len) \
79 if (level & DEBUG_LEVEL) \
80 print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \
81 DUMP_PREFIX_OFFSET, 16, 1, \
83 min_t(size_t, len, DEBUG_DUMP_LIMIT), \
87 #define wl1251_dump_ascii(level, prefix, buf, len) \
89 if (level & DEBUG_LEVEL) \
90 print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \
91 DUMP_PREFIX_OFFSET, 16, 1, \
93 min_t(size_t, len, DEBUG_DUMP_LIMIT), \
97 #define WL1251_DEFAULT_RX_CONFIG (CFG_UNI_FILTER_EN | \
100 #define WL1251_DEFAULT_RX_FILTER (CFG_RX_PRSP_EN | \
108 #define WL1251_BUSY_WORD_LEN 8
126 enum wl1251_partition_type
{
134 struct wl1251_partition
{
139 struct wl1251_partition_set
{
140 struct wl1251_partition mem
;
141 struct wl1251_partition reg
;
146 /* FIXME: I'm not sure about this structure name */
150 const char *fw_filename
;
151 const char *nvs_filename
;
155 unsigned int power_on_sleep
;
156 int intr_cmd_complete
;
157 int intr_init_complete
;
159 int (*op_upload_fw
)(struct wl1251
*wl
);
160 int (*op_upload_nvs
)(struct wl1251
*wl
);
161 int (*op_boot
)(struct wl1251
*wl
);
162 void (*op_set_ecpu_ctrl
)(struct wl1251
*wl
, u32 flag
);
163 void (*op_target_enable_interrupts
)(struct wl1251
*wl
);
164 int (*op_hw_init
)(struct wl1251
*wl
);
165 int (*op_plt_init
)(struct wl1251
*wl
);
166 void (*op_tx_flush
)(struct wl1251
*wl
);
167 void (*op_fw_version
)(struct wl1251
*wl
);
168 int (*op_cmd_join
)(struct wl1251
*wl
, u8 bss_type
, u8 dtim_interval
,
169 u16 beacon_interval
, u8 wait
);
171 struct wl1251_partition_set
*p_table
;
172 enum wl12xx_acx_int_reg
*acx_reg_table
;
175 struct wl1251_stats
{
176 struct acx_statistics
*fw_stats
;
177 unsigned long fw_stats_update
;
179 unsigned int retry_count
;
180 unsigned int excessive_retries
;
183 struct wl1251_debugfs
{
184 struct dentry
*rootdir
;
185 struct dentry
*fw_statistics
;
187 struct dentry
*tx_internal_desc_overflow
;
189 struct dentry
*rx_out_of_mem
;
190 struct dentry
*rx_hdr_overflow
;
191 struct dentry
*rx_hw_stuck
;
192 struct dentry
*rx_dropped
;
193 struct dentry
*rx_fcs_err
;
194 struct dentry
*rx_xfr_hint_trig
;
195 struct dentry
*rx_path_reset
;
196 struct dentry
*rx_reset_counter
;
198 struct dentry
*dma_rx_requested
;
199 struct dentry
*dma_rx_errors
;
200 struct dentry
*dma_tx_requested
;
201 struct dentry
*dma_tx_errors
;
203 struct dentry
*isr_cmd_cmplt
;
204 struct dentry
*isr_fiqs
;
205 struct dentry
*isr_rx_headers
;
206 struct dentry
*isr_rx_mem_overflow
;
207 struct dentry
*isr_rx_rdys
;
208 struct dentry
*isr_irqs
;
209 struct dentry
*isr_tx_procs
;
210 struct dentry
*isr_decrypt_done
;
211 struct dentry
*isr_dma0_done
;
212 struct dentry
*isr_dma1_done
;
213 struct dentry
*isr_tx_exch_complete
;
214 struct dentry
*isr_commands
;
215 struct dentry
*isr_rx_procs
;
216 struct dentry
*isr_hw_pm_mode_changes
;
217 struct dentry
*isr_host_acknowledges
;
218 struct dentry
*isr_pci_pm
;
219 struct dentry
*isr_wakeups
;
220 struct dentry
*isr_low_rssi
;
222 struct dentry
*wep_addr_key_count
;
223 struct dentry
*wep_default_key_count
;
224 /* skipping wep.reserved */
225 struct dentry
*wep_key_not_found
;
226 struct dentry
*wep_decrypt_fail
;
227 struct dentry
*wep_packets
;
228 struct dentry
*wep_interrupt
;
230 struct dentry
*pwr_ps_enter
;
231 struct dentry
*pwr_elp_enter
;
232 struct dentry
*pwr_missing_bcns
;
233 struct dentry
*pwr_wake_on_host
;
234 struct dentry
*pwr_wake_on_timer_exp
;
235 struct dentry
*pwr_tx_with_ps
;
236 struct dentry
*pwr_tx_without_ps
;
237 struct dentry
*pwr_rcvd_beacons
;
238 struct dentry
*pwr_power_save_off
;
239 struct dentry
*pwr_enable_ps
;
240 struct dentry
*pwr_disable_ps
;
241 struct dentry
*pwr_fix_tsf_ps
;
242 /* skipping cont_miss_bcns_spread for now */
243 struct dentry
*pwr_rcvd_awake_beacons
;
245 struct dentry
*mic_rx_pkts
;
246 struct dentry
*mic_calc_failure
;
248 struct dentry
*aes_encrypt_fail
;
249 struct dentry
*aes_decrypt_fail
;
250 struct dentry
*aes_encrypt_packets
;
251 struct dentry
*aes_decrypt_packets
;
252 struct dentry
*aes_encrypt_interrupt
;
253 struct dentry
*aes_decrypt_interrupt
;
255 struct dentry
*event_heart_beat
;
256 struct dentry
*event_calibration
;
257 struct dentry
*event_rx_mismatch
;
258 struct dentry
*event_rx_mem_empty
;
259 struct dentry
*event_rx_pool
;
260 struct dentry
*event_oom_late
;
261 struct dentry
*event_phy_transmit_error
;
262 struct dentry
*event_tx_stuck
;
264 struct dentry
*ps_pspoll_timeouts
;
265 struct dentry
*ps_upsd_timeouts
;
266 struct dentry
*ps_upsd_max_sptime
;
267 struct dentry
*ps_upsd_max_apturn
;
268 struct dentry
*ps_pspoll_max_apturn
;
269 struct dentry
*ps_pspoll_utilization
;
270 struct dentry
*ps_upsd_utilization
;
272 struct dentry
*rxpipe_rx_prep_beacon_drop
;
273 struct dentry
*rxpipe_descr_host_int_trig_rx_data
;
274 struct dentry
*rxpipe_beacon_buffer_thres_host_int_trig_rx_data
;
275 struct dentry
*rxpipe_missed_beacon_host_int_trig_rx_data
;
276 struct dentry
*rxpipe_tx_xfr_host_int_trig_rx_data
;
278 struct dentry
*tx_queue_len
;
280 struct dentry
*retry_count
;
281 struct dentry
*excessive_retries
;
284 struct wl1251_if_operations
{
285 void (*read
)(struct wl1251
*wl
, int addr
, void *buf
, size_t len
);
286 void (*write
)(struct wl1251
*wl
, int addr
, void *buf
, size_t len
);
287 void (*reset
)(struct wl1251
*wl
);
291 struct ieee80211_hw
*hw
;
292 bool mac80211_registered
;
294 struct spi_device
*spi
;
295 const struct wl1251_if_operations
*if_ops
;
297 void (*set_power
)(bool enable
);
300 enum wl1251_state state
;
303 int physical_mem_addr
;
304 int physical_reg_addr
;
305 int virtual_mem_addr
;
306 int virtual_reg_addr
;
308 struct wl1251_chip chip
;
312 struct boot_attr boot_attr
;
320 u8 mac_addr
[ETH_ALEN
];
325 void *target_mem_map
;
326 struct acx_data_path_params_resp
*data_path
;
328 /* Number of TX packets transferred to the FW, modulo 16 */
331 /* Frames scheduled for transmission, not handled yet */
332 struct sk_buff_head tx_queue
;
333 bool tx_queue_stopped
;
335 struct work_struct tx_work
;
336 struct work_struct filter_work
;
338 /* Pending TX frames */
339 struct sk_buff
*tx_frames
[16];
342 * Index pointing to the next TX complete entry
343 * in the cyclic XT complete array we get from
346 u32 next_tx_complete
;
351 /* Rx frames handled */
354 /* Current double buffer */
355 u32 rx_current_buffer
;
358 /* The target interrupt mask */
360 struct work_struct irq_work
;
362 /* The mbox event mask */
365 /* Mailbox pointers */
368 /* Are we currently scanning */
371 /* Our association ID */
374 /* Default key (for WEP) */
377 unsigned int tx_mgmt_frm_rate
;
378 unsigned int tx_mgmt_frm_mod
;
380 unsigned int rx_config
;
381 unsigned int rx_filter
;
383 /* is firmware in elp mode */
386 /* we can be in psm, but not in elp, we have to differentiate */
389 /* PSM mode requested */
395 struct wl1251_stats stats
;
396 struct wl1251_debugfs debugfs
;
400 u8 buffer_busyword
[WL1251_BUSY_WORD_LEN
];
401 struct wl1251_rx_descriptor
*rx_descriptor
;
404 int wl1251_plt_start(struct wl1251
*wl
);
405 int wl1251_plt_stop(struct wl1251
*wl
);
407 irqreturn_t
wl1251_irq(int irq
, void *cookie
);
408 struct ieee80211_hw
*wl1251_alloc_hw(void);
409 int wl1251_free_hw(struct wl1251
*wl
);
410 int wl1251_init_ieee80211(struct wl1251
*wl
);
412 #define DEFAULT_HW_GEN_MODULATION_TYPE CCK_LONG /* Long Preamble */
413 #define DEFAULT_HW_GEN_TX_RATE RATE_2MBPS
414 #define JOIN_TIMEOUT 5000 /* 5000 milliseconds to join */
416 #define WL1251_DEFAULT_POWER_LEVEL 20
418 #define WL1251_TX_QUEUE_MAX_LENGTH 20
420 /* Different chips need different sleep times after power on. WL1271 needs
421 * 200ms, WL1251 needs only 10ms. By default we use 200ms, but as soon as we
422 * know the chip ID, we change the sleep value in the wl1251 chip structure,
423 * so in subsequent power ons, we don't waste more time then needed. */
424 #define WL1251_DEFAULT_POWER_ON_SLEEP 200
426 #define CHIP_ID_1251_PG10 (0x7010101)
427 #define CHIP_ID_1251_PG11 (0x7020101)
428 #define CHIP_ID_1251_PG12 (0x7030101)
429 #define CHIP_ID_1271_PG10 (0x4030101)
430 #define CHIP_ID_1271_PG20 (0x4030111)