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 struct wl1251_stats {
147 struct acx_statistics *fw_stats;
148 unsigned long fw_stats_update;
150 unsigned int retry_count;
151 unsigned int excessive_retries;
154 struct wl1251_debugfs {
155 struct dentry *rootdir;
156 struct dentry *fw_statistics;
158 struct dentry *tx_internal_desc_overflow;
160 struct dentry *rx_out_of_mem;
161 struct dentry *rx_hdr_overflow;
162 struct dentry *rx_hw_stuck;
163 struct dentry *rx_dropped;
164 struct dentry *rx_fcs_err;
165 struct dentry *rx_xfr_hint_trig;
166 struct dentry *rx_path_reset;
167 struct dentry *rx_reset_counter;
169 struct dentry *dma_rx_requested;
170 struct dentry *dma_rx_errors;
171 struct dentry *dma_tx_requested;
172 struct dentry *dma_tx_errors;
174 struct dentry *isr_cmd_cmplt;
175 struct dentry *isr_fiqs;
176 struct dentry *isr_rx_headers;
177 struct dentry *isr_rx_mem_overflow;
178 struct dentry *isr_rx_rdys;
179 struct dentry *isr_irqs;
180 struct dentry *isr_tx_procs;
181 struct dentry *isr_decrypt_done;
182 struct dentry *isr_dma0_done;
183 struct dentry *isr_dma1_done;
184 struct dentry *isr_tx_exch_complete;
185 struct dentry *isr_commands;
186 struct dentry *isr_rx_procs;
187 struct dentry *isr_hw_pm_mode_changes;
188 struct dentry *isr_host_acknowledges;
189 struct dentry *isr_pci_pm;
190 struct dentry *isr_wakeups;
191 struct dentry *isr_low_rssi;
193 struct dentry *wep_addr_key_count;
194 struct dentry *wep_default_key_count;
195 /* skipping wep.reserved */
196 struct dentry *wep_key_not_found;
197 struct dentry *wep_decrypt_fail;
198 struct dentry *wep_packets;
199 struct dentry *wep_interrupt;
201 struct dentry *pwr_ps_enter;
202 struct dentry *pwr_elp_enter;
203 struct dentry *pwr_missing_bcns;
204 struct dentry *pwr_wake_on_host;
205 struct dentry *pwr_wake_on_timer_exp;
206 struct dentry *pwr_tx_with_ps;
207 struct dentry *pwr_tx_without_ps;
208 struct dentry *pwr_rcvd_beacons;
209 struct dentry *pwr_power_save_off;
210 struct dentry *pwr_enable_ps;
211 struct dentry *pwr_disable_ps;
212 struct dentry *pwr_fix_tsf_ps;
213 /* skipping cont_miss_bcns_spread for now */
214 struct dentry *pwr_rcvd_awake_beacons;
216 struct dentry *mic_rx_pkts;
217 struct dentry *mic_calc_failure;
219 struct dentry *aes_encrypt_fail;
220 struct dentry *aes_decrypt_fail;
221 struct dentry *aes_encrypt_packets;
222 struct dentry *aes_decrypt_packets;
223 struct dentry *aes_encrypt_interrupt;
224 struct dentry *aes_decrypt_interrupt;
226 struct dentry *event_heart_beat;
227 struct dentry *event_calibration;
228 struct dentry *event_rx_mismatch;
229 struct dentry *event_rx_mem_empty;
230 struct dentry *event_rx_pool;
231 struct dentry *event_oom_late;
232 struct dentry *event_phy_transmit_error;
233 struct dentry *event_tx_stuck;
235 struct dentry *ps_pspoll_timeouts;
236 struct dentry *ps_upsd_timeouts;
237 struct dentry *ps_upsd_max_sptime;
238 struct dentry *ps_upsd_max_apturn;
239 struct dentry *ps_pspoll_max_apturn;
240 struct dentry *ps_pspoll_utilization;
241 struct dentry *ps_upsd_utilization;
243 struct dentry *rxpipe_rx_prep_beacon_drop;
244 struct dentry *rxpipe_descr_host_int_trig_rx_data;
245 struct dentry *rxpipe_beacon_buffer_thres_host_int_trig_rx_data;
246 struct dentry *rxpipe_missed_beacon_host_int_trig_rx_data;
247 struct dentry *rxpipe_tx_xfr_host_int_trig_rx_data;
249 struct dentry *tx_queue_len;
250 struct dentry *tx_queue_status;
252 struct dentry *retry_count;
253 struct dentry *excessive_retries;
256 struct wl1251_if_operations {
257 void (*read)(struct wl1251 *wl, int addr, void *buf, size_t len);
258 void (*write)(struct wl1251 *wl, int addr, void *buf, size_t len);
259 void (*reset)(struct wl1251 *wl);
260 void (*enable_irq)(struct wl1251 *wl);
261 void (*disable_irq)(struct wl1251 *wl);
265 struct ieee80211_hw *hw;
266 bool mac80211_registered;
269 const struct wl1251_if_operations *if_ops;
271 void (*set_power)(bool enable);
275 enum wl1251_state state;
278 int physical_mem_addr;
279 int physical_reg_addr;
280 int virtual_mem_addr;
281 int virtual_reg_addr;
285 struct boot_attr boot_attr;
293 u8 mac_addr[ETH_ALEN];
298 void *target_mem_map;
299 struct acx_data_path_params_resp *data_path;
301 /* Number of TX packets transferred to the FW, modulo 16 */
304 /* Frames scheduled for transmission, not handled yet */
305 struct sk_buff_head tx_queue;
306 bool tx_queue_stopped;
308 struct work_struct tx_work;
309 struct work_struct filter_work;
311 /* Pending TX frames */
312 struct sk_buff *tx_frames[16];
315 * Index pointing to the next TX complete entry
316 * in the cyclic XT complete array we get from
319 u32 next_tx_complete;
324 /* Rx frames handled */
327 /* Current double buffer */
328 u32 rx_current_buffer;
331 /* The target interrupt mask */
333 struct work_struct irq_work;
335 /* The mbox event mask */
338 /* Mailbox pointers */
341 /* Are we currently scanning */
344 /* Default key (for WEP) */
347 unsigned int tx_mgmt_frm_rate;
348 unsigned int tx_mgmt_frm_mod;
350 unsigned int rx_config;
351 unsigned int rx_filter;
353 /* is firmware in elp mode */
356 struct delayed_work elp_work;
358 /* we can be in psm, but not in elp, we have to differentiate */
361 /* PSM mode requested */
370 struct wl1251_stats stats;
371 struct wl1251_debugfs debugfs;
375 u8 buffer_busyword[WL1251_BUSY_WORD_LEN];
376 struct wl1251_rx_descriptor *rx_descriptor;
378 struct ieee80211_vif *vif;
384 int wl1251_plt_start(struct wl1251 *wl);
385 int wl1251_plt_stop(struct wl1251 *wl);
387 struct ieee80211_hw *wl1251_alloc_hw(void);
388 int wl1251_free_hw(struct wl1251 *wl);
389 int wl1251_init_ieee80211(struct wl1251 *wl);
390 void wl1251_enable_interrupts(struct wl1251 *wl);
391 void wl1251_disable_interrupts(struct wl1251 *wl);
393 #define DEFAULT_HW_GEN_MODULATION_TYPE CCK_LONG /* Long Preamble */
394 #define DEFAULT_HW_GEN_TX_RATE RATE_2MBPS
395 #define JOIN_TIMEOUT 5000 /* 5000 milliseconds to join */
397 #define WL1251_DEFAULT_POWER_LEVEL 20
399 #define WL1251_TX_QUEUE_MAX_LENGTH 20
401 #define WL1251_DEFAULT_BEACON_INT 100
402 #define WL1251_DEFAULT_DTIM_PERIOD 1
404 #define WL1251_DEFAULT_CHANNEL 0
406 #define CHIP_ID_1251_PG10 (0x7010101)
407 #define CHIP_ID_1251_PG11 (0x7020101)
408 #define CHIP_ID_1251_PG12 (0x7030101)
409 #define CHIP_ID_1271_PG10 (0x4030101)
410 #define CHIP_ID_1271_PG20 (0x4030111)
412 #define WL1251_FW_NAME "wl1251-fw.bin"
413 #define WL1251_NVS_NAME "wl1251-nvs.bin"
415 #define WL1251_POWER_ON_SLEEP 10 /* in miliseconds */
417 #define WL1251_PART_DOWN_MEM_START 0x0
418 #define WL1251_PART_DOWN_MEM_SIZE 0x16800
419 #define WL1251_PART_DOWN_REG_START REGISTERS_BASE
420 #define WL1251_PART_DOWN_REG_SIZE REGISTERS_DOWN_SIZE
422 #define WL1251_PART_WORK_MEM_START 0x28000
423 #define WL1251_PART_WORK_MEM_SIZE 0x14000
424 #define WL1251_PART_WORK_REG_START REGISTERS_BASE
425 #define WL1251_PART_WORK_REG_SIZE REGISTERS_WORK_SIZE