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 struct wl1251_partition {
140 struct wl1251_partition_set {
141 struct wl1251_partition mem;
142 struct wl1251_partition reg;
147 struct wl1251_stats {
148 struct acx_statistics *fw_stats;
149 unsigned long fw_stats_update;
151 unsigned int retry_count;
152 unsigned int excessive_retries;
155 struct wl1251_debugfs {
156 struct dentry *rootdir;
157 struct dentry *fw_statistics;
159 struct dentry *tx_internal_desc_overflow;
161 struct dentry *rx_out_of_mem;
162 struct dentry *rx_hdr_overflow;
163 struct dentry *rx_hw_stuck;
164 struct dentry *rx_dropped;
165 struct dentry *rx_fcs_err;
166 struct dentry *rx_xfr_hint_trig;
167 struct dentry *rx_path_reset;
168 struct dentry *rx_reset_counter;
170 struct dentry *dma_rx_requested;
171 struct dentry *dma_rx_errors;
172 struct dentry *dma_tx_requested;
173 struct dentry *dma_tx_errors;
175 struct dentry *isr_cmd_cmplt;
176 struct dentry *isr_fiqs;
177 struct dentry *isr_rx_headers;
178 struct dentry *isr_rx_mem_overflow;
179 struct dentry *isr_rx_rdys;
180 struct dentry *isr_irqs;
181 struct dentry *isr_tx_procs;
182 struct dentry *isr_decrypt_done;
183 struct dentry *isr_dma0_done;
184 struct dentry *isr_dma1_done;
185 struct dentry *isr_tx_exch_complete;
186 struct dentry *isr_commands;
187 struct dentry *isr_rx_procs;
188 struct dentry *isr_hw_pm_mode_changes;
189 struct dentry *isr_host_acknowledges;
190 struct dentry *isr_pci_pm;
191 struct dentry *isr_wakeups;
192 struct dentry *isr_low_rssi;
194 struct dentry *wep_addr_key_count;
195 struct dentry *wep_default_key_count;
196 /* skipping wep.reserved */
197 struct dentry *wep_key_not_found;
198 struct dentry *wep_decrypt_fail;
199 struct dentry *wep_packets;
200 struct dentry *wep_interrupt;
202 struct dentry *pwr_ps_enter;
203 struct dentry *pwr_elp_enter;
204 struct dentry *pwr_missing_bcns;
205 struct dentry *pwr_wake_on_host;
206 struct dentry *pwr_wake_on_timer_exp;
207 struct dentry *pwr_tx_with_ps;
208 struct dentry *pwr_tx_without_ps;
209 struct dentry *pwr_rcvd_beacons;
210 struct dentry *pwr_power_save_off;
211 struct dentry *pwr_enable_ps;
212 struct dentry *pwr_disable_ps;
213 struct dentry *pwr_fix_tsf_ps;
214 /* skipping cont_miss_bcns_spread for now */
215 struct dentry *pwr_rcvd_awake_beacons;
217 struct dentry *mic_rx_pkts;
218 struct dentry *mic_calc_failure;
220 struct dentry *aes_encrypt_fail;
221 struct dentry *aes_decrypt_fail;
222 struct dentry *aes_encrypt_packets;
223 struct dentry *aes_decrypt_packets;
224 struct dentry *aes_encrypt_interrupt;
225 struct dentry *aes_decrypt_interrupt;
227 struct dentry *event_heart_beat;
228 struct dentry *event_calibration;
229 struct dentry *event_rx_mismatch;
230 struct dentry *event_rx_mem_empty;
231 struct dentry *event_rx_pool;
232 struct dentry *event_oom_late;
233 struct dentry *event_phy_transmit_error;
234 struct dentry *event_tx_stuck;
236 struct dentry *ps_pspoll_timeouts;
237 struct dentry *ps_upsd_timeouts;
238 struct dentry *ps_upsd_max_sptime;
239 struct dentry *ps_upsd_max_apturn;
240 struct dentry *ps_pspoll_max_apturn;
241 struct dentry *ps_pspoll_utilization;
242 struct dentry *ps_upsd_utilization;
244 struct dentry *rxpipe_rx_prep_beacon_drop;
245 struct dentry *rxpipe_descr_host_int_trig_rx_data;
246 struct dentry *rxpipe_beacon_buffer_thres_host_int_trig_rx_data;
247 struct dentry *rxpipe_missed_beacon_host_int_trig_rx_data;
248 struct dentry *rxpipe_tx_xfr_host_int_trig_rx_data;
250 struct dentry *tx_queue_len;
251 struct dentry *tx_queue_status;
253 struct dentry *retry_count;
254 struct dentry *excessive_retries;
257 struct wl1251_if_operations {
258 void (*read)(struct wl1251 *wl, int addr, void *buf, size_t len);
259 void (*write)(struct wl1251 *wl, int addr, void *buf, size_t len);
260 void (*read_elp)(struct wl1251 *wl, int addr, u32 *val);
261 void (*write_elp)(struct wl1251 *wl, int addr, u32 val);
262 void (*reset)(struct wl1251 *wl);
263 void (*enable_irq)(struct wl1251 *wl);
264 void (*disable_irq)(struct wl1251 *wl);
268 struct ieee80211_hw *hw;
269 bool mac80211_registered;
272 const struct wl1251_if_operations *if_ops;
274 void (*set_power)(bool enable);
280 enum wl1251_state state;
283 int physical_mem_addr;
284 int physical_reg_addr;
285 int virtual_mem_addr;
286 int virtual_reg_addr;
290 struct boot_attr boot_attr;
298 u8 mac_addr[ETH_ALEN];
303 void *target_mem_map;
304 struct acx_data_path_params_resp *data_path;
306 /* Number of TX packets transferred to the FW, modulo 16 */
309 /* Frames scheduled for transmission, not handled yet */
310 struct sk_buff_head tx_queue;
311 bool tx_queue_stopped;
313 struct work_struct tx_work;
315 /* Pending TX frames */
316 struct sk_buff *tx_frames[16];
319 * Index pointing to the next TX complete entry
320 * in the cyclic XT complete array we get from
323 u32 next_tx_complete;
328 /* Rx frames handled */
331 /* Current double buffer */
332 u32 rx_current_buffer;
335 /* The target interrupt mask */
337 struct work_struct irq_work;
339 /* The mbox event mask */
342 /* Mailbox pointers */
345 /* Are we currently scanning */
348 /* Default key (for WEP) */
351 unsigned int tx_mgmt_frm_rate;
352 unsigned int tx_mgmt_frm_mod;
354 unsigned int mac80211_filters;
355 unsigned int rx_config;
356 unsigned int rx_filter;
358 /* is firmware in elp mode */
361 struct delayed_work elp_work;
362 struct completion *elp_compl;
364 /* we can be in psm, but not in elp, we have to differentiate */
367 /* PSM mode requested */
376 struct wl1251_stats stats;
377 struct wl1251_debugfs debugfs;
381 u8 buffer_busyword[WL1251_BUSY_WORD_LEN];
382 struct wl1251_rx_descriptor *rx_descriptor;
384 struct ieee80211_vif *vif;
390 int wl1251_plt_start(struct wl1251 *wl);
391 int wl1251_plt_stop(struct wl1251 *wl);
393 struct ieee80211_hw *wl1251_alloc_hw(void);
394 int wl1251_free_hw(struct wl1251 *wl);
395 int wl1251_init_ieee80211(struct wl1251 *wl);
396 void wl1251_enable_interrupts(struct wl1251 *wl);
397 void wl1251_disable_interrupts(struct wl1251 *wl);
398 void wl1251_irq(struct wl1251 *wl);
400 #define DEFAULT_HW_GEN_MODULATION_TYPE CCK_LONG /* Long Preamble */
401 #define DEFAULT_HW_GEN_TX_RATE RATE_2MBPS
402 #define JOIN_TIMEOUT 5000 /* 5000 milliseconds to join */
404 #define WL1251_DEFAULT_POWER_LEVEL 20
406 #define WL1251_TX_QUEUE_LOW_WATERMARK 10
407 #define WL1251_TX_QUEUE_HIGH_WATERMARK 25
409 #define WL1251_DEFAULT_BEACON_INT 100
410 #define WL1251_DEFAULT_DTIM_PERIOD 1
412 #define WL1251_DEFAULT_CHANNEL 0
414 #define WL1251_DEFAULT_BET_CONSECUTIVE 10
416 #define CHIP_ID_1251_PG10 (0x7010101)
417 #define CHIP_ID_1251_PG11 (0x7020101)
418 #define CHIP_ID_1251_PG12 (0x7030101)
419 #define CHIP_ID_1271_PG10 (0x4030101)
420 #define CHIP_ID_1271_PG20 (0x4030111)
422 #define WL1251_FW_NAME "wl1251-fw.bin"
423 #define WL1251_NVS_NAME "wl1251-nvs.bin"
425 #define WL1251_POWER_ON_SLEEP 10 /* in milliseconds */
427 #define WL1251_PART_DOWN_MEM_START 0x0
428 #define WL1251_PART_DOWN_MEM_SIZE 0x16800
429 #define WL1251_PART_DOWN_REG_START REGISTERS_BASE
430 #define WL1251_PART_DOWN_REG_SIZE REGISTERS_DOWN_SIZE
432 #define WL1251_PART_WORK_MEM_START 0x28000
433 #define WL1251_PART_WORK_MEM_SIZE 0x14000
434 #define WL1251_PART_WORK_REG_START REGISTERS_BASE
435 #define WL1251_PART_WORK_REG_SIZE REGISTERS_WORK_SIZE