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;
285 struct ieee80211_hw *hw;
286 bool mac80211_registered;
288 struct spi_device *spi;
290 void (*set_power)(bool enable);
293 enum wl1251_state state;
296 int physical_mem_addr;
297 int physical_reg_addr;
298 int virtual_mem_addr;
299 int virtual_reg_addr;
301 struct wl1251_chip chip;
305 struct boot_attr boot_attr;
313 u8 mac_addr[ETH_ALEN];
318 void *target_mem_map;
319 struct acx_data_path_params_resp *data_path;
321 /* Number of TX packets transferred to the FW, modulo 16 */
324 /* Frames scheduled for transmission, not handled yet */
325 struct sk_buff_head tx_queue;
326 bool tx_queue_stopped;
328 struct work_struct tx_work;
329 struct work_struct filter_work;
331 /* Pending TX frames */
332 struct sk_buff *tx_frames[16];
335 * Index pointing to the next TX complete entry
336 * in the cyclic XT complete array we get from
339 u32 next_tx_complete;
344 /* Rx frames handled */
347 /* Current double buffer */
348 u32 rx_current_buffer;
351 /* The target interrupt mask */
353 struct work_struct irq_work;
355 /* The mbox event mask */
358 /* Mailbox pointers */
361 /* Are we currently scanning */
364 /* Our association ID */
367 /* Default key (for WEP) */
370 unsigned int tx_mgmt_frm_rate;
371 unsigned int tx_mgmt_frm_mod;
373 unsigned int rx_config;
374 unsigned int rx_filter;
376 /* is firmware in elp mode */
379 /* we can be in psm, but not in elp, we have to differentiate */
382 /* PSM mode requested */
388 struct wl1251_stats stats;
389 struct wl1251_debugfs debugfs;
393 u8 buffer_busyword[WL1251_BUSY_WORD_LEN];
394 struct wl1251_rx_descriptor *rx_descriptor;
397 int wl1251_plt_start(struct wl1251 *wl);
398 int wl1251_plt_stop(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_MAX_LENGTH 20
408 /* Different chips need different sleep times after power on. WL1271 needs
409 * 200ms, WL1251 needs only 10ms. By default we use 200ms, but as soon as we
410 * know the chip ID, we change the sleep value in the wl1251 chip structure,
411 * so in subsequent power ons, we don't waste more time then needed. */
412 #define WL1251_DEFAULT_POWER_ON_SLEEP 200
414 #define CHIP_ID_1251_PG10 (0x7010101)
415 #define CHIP_ID_1251_PG11 (0x7020101)
416 #define CHIP_ID_1251_PG12 (0x7030101)
417 #define CHIP_ID_1271_PG10 (0x4030101)
418 #define CHIP_ID_1271_PG20 (0x4030111)