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),
52 DEBUG_FILTERS = BIT(14),
56 #define DEBUG_LEVEL (DEBUG_NONE)
58 #define DEBUG_DUMP_LIMIT 1024
60 #define wl1251_error(fmt, arg...) \
61 printk(KERN_ERR DRIVER_PREFIX "ERROR " fmt "\n", ##arg)
63 #define wl1251_warning(fmt, arg...) \
64 printk(KERN_WARNING DRIVER_PREFIX "WARNING " fmt "\n", ##arg)
66 #define wl1251_notice(fmt, arg...) \
67 printk(KERN_INFO DRIVER_PREFIX fmt "\n", ##arg)
69 #define wl1251_info(fmt, arg...) \
70 printk(KERN_DEBUG DRIVER_PREFIX fmt "\n", ##arg)
72 #define wl1251_debug(level, fmt, arg...) \
74 if (level & DEBUG_LEVEL) \
75 printk(KERN_DEBUG DRIVER_PREFIX fmt "\n", ##arg); \
78 #define wl1251_dump(level, prefix, buf, len) \
80 if (level & DEBUG_LEVEL) \
81 print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \
82 DUMP_PREFIX_OFFSET, 16, 1, \
84 min_t(size_t, len, DEBUG_DUMP_LIMIT), \
88 #define wl1251_dump_ascii(level, prefix, buf, len) \
90 if (level & DEBUG_LEVEL) \
91 print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \
92 DUMP_PREFIX_OFFSET, 16, 1, \
94 min_t(size_t, len, DEBUG_DUMP_LIMIT), \
98 #define WL1251_DEFAULT_RX_CONFIG (CFG_UNI_FILTER_EN | \
101 #define WL1251_DEFAULT_RX_FILTER (CFG_RX_PRSP_EN | \
109 #define WL1251_BUSY_WORD_LEN 8
127 enum wl1251_partition_type {
135 enum wl1251_station_mode {
137 STATION_POWER_SAVE_MODE,
141 struct wl1251_partition {
146 struct wl1251_partition_set {
147 struct wl1251_partition mem;
148 struct wl1251_partition reg;
153 struct wl1251_stats {
154 struct acx_statistics *fw_stats;
155 unsigned long fw_stats_update;
157 unsigned int retry_count;
158 unsigned int excessive_retries;
161 struct wl1251_debugfs {
162 struct dentry *rootdir;
163 struct dentry *fw_statistics;
165 struct dentry *tx_internal_desc_overflow;
167 struct dentry *rx_out_of_mem;
168 struct dentry *rx_hdr_overflow;
169 struct dentry *rx_hw_stuck;
170 struct dentry *rx_dropped;
171 struct dentry *rx_fcs_err;
172 struct dentry *rx_xfr_hint_trig;
173 struct dentry *rx_path_reset;
174 struct dentry *rx_reset_counter;
176 struct dentry *dma_rx_requested;
177 struct dentry *dma_rx_errors;
178 struct dentry *dma_tx_requested;
179 struct dentry *dma_tx_errors;
181 struct dentry *isr_cmd_cmplt;
182 struct dentry *isr_fiqs;
183 struct dentry *isr_rx_headers;
184 struct dentry *isr_rx_mem_overflow;
185 struct dentry *isr_rx_rdys;
186 struct dentry *isr_irqs;
187 struct dentry *isr_tx_procs;
188 struct dentry *isr_decrypt_done;
189 struct dentry *isr_dma0_done;
190 struct dentry *isr_dma1_done;
191 struct dentry *isr_tx_exch_complete;
192 struct dentry *isr_commands;
193 struct dentry *isr_rx_procs;
194 struct dentry *isr_hw_pm_mode_changes;
195 struct dentry *isr_host_acknowledges;
196 struct dentry *isr_pci_pm;
197 struct dentry *isr_wakeups;
198 struct dentry *isr_low_rssi;
200 struct dentry *wep_addr_key_count;
201 struct dentry *wep_default_key_count;
202 /* skipping wep.reserved */
203 struct dentry *wep_key_not_found;
204 struct dentry *wep_decrypt_fail;
205 struct dentry *wep_packets;
206 struct dentry *wep_interrupt;
208 struct dentry *pwr_ps_enter;
209 struct dentry *pwr_elp_enter;
210 struct dentry *pwr_missing_bcns;
211 struct dentry *pwr_wake_on_host;
212 struct dentry *pwr_wake_on_timer_exp;
213 struct dentry *pwr_tx_with_ps;
214 struct dentry *pwr_tx_without_ps;
215 struct dentry *pwr_rcvd_beacons;
216 struct dentry *pwr_power_save_off;
217 struct dentry *pwr_enable_ps;
218 struct dentry *pwr_disable_ps;
219 struct dentry *pwr_fix_tsf_ps;
220 /* skipping cont_miss_bcns_spread for now */
221 struct dentry *pwr_rcvd_awake_beacons;
223 struct dentry *mic_rx_pkts;
224 struct dentry *mic_calc_failure;
226 struct dentry *aes_encrypt_fail;
227 struct dentry *aes_decrypt_fail;
228 struct dentry *aes_encrypt_packets;
229 struct dentry *aes_decrypt_packets;
230 struct dentry *aes_encrypt_interrupt;
231 struct dentry *aes_decrypt_interrupt;
233 struct dentry *event_heart_beat;
234 struct dentry *event_calibration;
235 struct dentry *event_rx_mismatch;
236 struct dentry *event_rx_mem_empty;
237 struct dentry *event_rx_pool;
238 struct dentry *event_oom_late;
239 struct dentry *event_phy_transmit_error;
240 struct dentry *event_tx_stuck;
242 struct dentry *ps_pspoll_timeouts;
243 struct dentry *ps_upsd_timeouts;
244 struct dentry *ps_upsd_max_sptime;
245 struct dentry *ps_upsd_max_apturn;
246 struct dentry *ps_pspoll_max_apturn;
247 struct dentry *ps_pspoll_utilization;
248 struct dentry *ps_upsd_utilization;
250 struct dentry *rxpipe_rx_prep_beacon_drop;
251 struct dentry *rxpipe_descr_host_int_trig_rx_data;
252 struct dentry *rxpipe_beacon_buffer_thres_host_int_trig_rx_data;
253 struct dentry *rxpipe_missed_beacon_host_int_trig_rx_data;
254 struct dentry *rxpipe_tx_xfr_host_int_trig_rx_data;
256 struct dentry *tx_queue_len;
257 struct dentry *tx_queue_status;
259 struct dentry *retry_count;
260 struct dentry *excessive_retries;
263 struct wl1251_if_operations {
264 void (*read)(struct wl1251 *wl, int addr, void *buf, size_t len);
265 void (*write)(struct wl1251 *wl, int addr, void *buf, size_t len);
266 void (*read_elp)(struct wl1251 *wl, int addr, u32 *val);
267 void (*write_elp)(struct wl1251 *wl, int addr, u32 val);
268 void (*reset)(struct wl1251 *wl);
269 void (*enable_irq)(struct wl1251 *wl);
270 void (*disable_irq)(struct wl1251 *wl);
274 struct ieee80211_hw *hw;
275 bool mac80211_registered;
278 const struct wl1251_if_operations *if_ops;
280 void (*set_power)(bool enable);
286 enum wl1251_state state;
289 int physical_mem_addr;
290 int physical_reg_addr;
291 int virtual_mem_addr;
292 int virtual_reg_addr;
296 struct boot_attr boot_attr;
304 u8 mac_addr[ETH_ALEN];
309 void *target_mem_map;
310 struct acx_data_path_params_resp *data_path;
312 /* Number of TX packets transferred to the FW, modulo 16 */
315 /* Frames scheduled for transmission, not handled yet */
316 struct sk_buff_head tx_queue;
317 bool tx_queue_stopped;
319 struct work_struct tx_work;
321 /* Pending TX frames */
322 struct sk_buff *tx_frames[16];
325 * Index pointing to the next TX complete entry
326 * in the cyclic XT complete array we get from
329 u32 next_tx_complete;
334 /* Rx frames handled */
337 /* Current double buffer */
338 u32 rx_current_buffer;
341 /* The target interrupt mask */
343 struct work_struct irq_work;
345 /* The mbox event mask */
348 /* Mailbox pointers */
351 /* Are we currently scanning */
354 /* Default key (for WEP) */
357 unsigned int tx_mgmt_frm_rate;
358 unsigned int tx_mgmt_frm_mod;
360 unsigned int mac80211_filters;
361 unsigned int rx_config;
362 unsigned int rx_filter;
364 /* is firmware in elp mode */
367 struct delayed_work elp_work;
368 struct completion *elp_compl;
370 enum wl1251_station_mode station_mode;
372 /* PSM mode requested */
381 struct wl1251_stats stats;
382 struct wl1251_debugfs debugfs;
386 u8 buffer_busyword[WL1251_BUSY_WORD_LEN];
387 struct wl1251_rx_descriptor *rx_descriptor;
389 struct ieee80211_vif *vif;
395 int wl1251_plt_start(struct wl1251 *wl);
396 int wl1251_plt_stop(struct wl1251 *wl);
398 struct ieee80211_hw *wl1251_alloc_hw(void);
399 int wl1251_free_hw(struct wl1251 *wl);
400 int wl1251_init_ieee80211(struct wl1251 *wl);
401 void wl1251_enable_interrupts(struct wl1251 *wl);
402 void wl1251_disable_interrupts(struct wl1251 *wl);
403 void wl1251_irq(struct wl1251 *wl);
405 #define DEFAULT_HW_GEN_MODULATION_TYPE CCK_LONG /* Long Preamble */
406 #define DEFAULT_HW_GEN_TX_RATE RATE_2MBPS
407 #define JOIN_TIMEOUT 5000 /* 5000 milliseconds to join */
409 #define WL1251_DEFAULT_POWER_LEVEL 20
411 #define WL1251_TX_QUEUE_LOW_WATERMARK 10
412 #define WL1251_TX_QUEUE_HIGH_WATERMARK 25
414 #define WL1251_DEFAULT_BEACON_INT 100
415 #define WL1251_DEFAULT_DTIM_PERIOD 1
417 #define WL1251_DEFAULT_CHANNEL 0
419 #define WL1251_DEFAULT_BET_CONSECUTIVE 10
421 #define CHIP_ID_1251_PG10 (0x7010101)
422 #define CHIP_ID_1251_PG11 (0x7020101)
423 #define CHIP_ID_1251_PG12 (0x7030101)
424 #define CHIP_ID_1271_PG10 (0x4030101)
425 #define CHIP_ID_1271_PG20 (0x4030111)
427 #define WL1251_FW_NAME "wl1251-fw.bin"
428 #define WL1251_NVS_NAME "wl1251-nvs.bin"
430 #define WL1251_POWER_ON_SLEEP 10 /* in milliseconds */
432 #define WL1251_PART_DOWN_MEM_START 0x0
433 #define WL1251_PART_DOWN_MEM_SIZE 0x16800
434 #define WL1251_PART_DOWN_REG_START REGISTERS_BASE
435 #define WL1251_PART_DOWN_REG_SIZE REGISTERS_DOWN_SIZE
437 #define WL1251_PART_WORK_MEM_START 0x28000
438 #define WL1251_PART_WORK_MEM_SIZE 0x14000
439 #define WL1251_PART_WORK_REG_START REGISTERS_BASE
440 #define WL1251_PART_WORK_REG_SIZE REGISTERS_WORK_SIZE