aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/wl12xx/wl1251.h
blob: 6b942a28e6a5dd02e87cebd8f20273e234cdea10 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
/*
 * This file is part of wl1251
 *
 * Copyright (c) 1998-2007 Texas Instruments Incorporated
 * Copyright (C) 2008-2009 Nokia Corporation
 *
 * Contact: Kalle Valo <kalle.valo@nokia.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 *
 */

#ifndef __WL1251_H__
#define __WL1251_H__

#include <linux/mutex.h>
#include <linux/list.h>
#include <linux/bitops.h>
#include <net/mac80211.h>

#define DRIVER_NAME "wl1251"
#define DRIVER_PREFIX DRIVER_NAME ": "

enum {
	DEBUG_NONE	= 0,
	DEBUG_IRQ	= BIT(0),
	DEBUG_SPI	= BIT(1),
	DEBUG_BOOT	= BIT(2),
	DEBUG_MAILBOX	= BIT(3),
	DEBUG_NETLINK	= BIT(4),
	DEBUG_EVENT	= BIT(5),
	DEBUG_TX	= BIT(6),
	DEBUG_RX	= BIT(7),
	DEBUG_SCAN	= BIT(8),
	DEBUG_CRYPT	= BIT(9),
	DEBUG_PSM	= BIT(10),
	DEBUG_MAC80211	= BIT(11),
	DEBUG_CMD	= BIT(12),
	DEBUG_ACX	= BIT(13),
	DEBUG_ALL	= ~0,
};

#define DEBUG_LEVEL (DEBUG_NONE)

#define DEBUG_DUMP_LIMIT 1024

#define wl1251_error(fmt, arg...) \
	printk(KERN_ERR DRIVER_PREFIX "ERROR " fmt "\n", ##arg)

#define wl1251_warning(fmt, arg...) \
	printk(KERN_WARNING DRIVER_PREFIX "WARNING " fmt "\n", ##arg)

#define wl1251_notice(fmt, arg...) \
	printk(KERN_INFO DRIVER_PREFIX fmt "\n", ##arg)

#define wl1251_info(fmt, arg...) \
	printk(KERN_DEBUG DRIVER_PREFIX fmt "\n", ##arg)

#define wl1251_debug(level, fmt, arg...) \
	do { \
		if (level & DEBUG_LEVEL) \
			printk(KERN_DEBUG DRIVER_PREFIX fmt "\n", ##arg); \
	} while (0)

#define wl1251_dump(level, prefix, buf, len)	\
	do { \
		if (level & DEBUG_LEVEL) \
			print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \
				       DUMP_PREFIX_OFFSET, 16, 1,	\
				       buf,				\
				       min_t(size_t, len, DEBUG_DUMP_LIMIT), \
				       0);				\
	} while (0)

#define wl1251_dump_ascii(level, prefix, buf, len)	\
	do { \
		if (level & DEBUG_LEVEL) \
			print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \
				       DUMP_PREFIX_OFFSET, 16, 1,	\
				       buf,				\
				       min_t(size_t, len, DEBUG_DUMP_LIMIT), \
				       true);				\
	} while (0)

#define WL1251_DEFAULT_RX_CONFIG (CFG_UNI_FILTER_EN |	\
				  CFG_BSSID_FILTER_EN)

#define WL1251_DEFAULT_RX_FILTER (CFG_RX_PRSP_EN |  \
				  CFG_RX_MGMT_EN |  \
				  CFG_RX_DATA_EN |  \
				  CFG_RX_CTL_EN |   \
				  CFG_RX_BCN_EN |   \
				  CFG_RX_AUTH_EN |  \
				  CFG_RX_ASSOC_EN)

#define WL1251_BUSY_WORD_LEN 8

struct boot_attr {
	u32 radio_type;
	u8 mac_clock;
	u8 arm_clock;
	int firmware_debug;
	u32 minor;
	u32 major;
	u32 bugfix;
};

enum wl1251_state {
	WL1251_STATE_OFF,
	WL1251_STATE_ON,
	WL1251_STATE_PLT,
};

enum wl1251_partition_type {
	PART_DOWN,
	PART_WORK,
	PART_DRPW,

	PART_TABLE_LEN
};

struct wl1251_partition {
	u32 size;
	u32 start;
};

struct wl1251_partition_set {
	struct wl1251_partition mem;
	struct wl1251_partition reg;
};

struct wl1251;

struct wl1251_stats {
	struct acx_statistics *fw_stats;
	unsigned long fw_stats_update;

	unsigned int retry_count;
	unsigned int excessive_retries;
};

struct wl1251_debugfs {
	struct dentry *rootdir;
	struct dentry *fw_statistics;

	struct dentry *tx_internal_desc_overflow;

	struct dentry *rx_out_of_mem;
	struct dentry *rx_hdr_overflow;
	struct dentry *rx_hw_stuck;
	struct dentry *rx_dropped;
	struct dentry *rx_fcs_err;
	struct dentry *rx_xfr_hint_trig;
	struct dentry *rx_path_reset;
	struct dentry *rx_reset_counter;

	struct dentry *dma_rx_requested;
	struct dentry *dma_rx_errors;
	struct dentry *dma_tx_requested;
	struct dentry *dma_tx_errors;

	struct dentry *isr_cmd_cmplt;
	struct dentry *isr_fiqs;
	struct dentry *isr_rx_headers;
	struct dentry *isr_rx_mem_overflow;
	struct dentry *isr_rx_rdys;
	struct dentry *isr_irqs;
	struct dentry *isr_tx_procs;
	struct dentry *isr_decrypt_done;
	struct dentry *isr_dma0_done;
	struct dentry *isr_dma1_done;
	struct dentry *isr_tx_exch_complete;
	struct dentry *isr_commands;
	struct dentry *isr_rx_procs;
	struct dentry *isr_hw_pm_mode_changes;
	struct dentry *isr_host_acknowledges;
	struct dentry *isr_pci_pm;
	struct dentry *isr_wakeups;
	struct dentry *isr_low_rssi;

	struct dentry *wep_addr_key_count;
	struct dentry *wep_default_key_count;
	/* skipping wep.reserved */
	struct dentry *wep_key_not_found;
	struct dentry *wep_decrypt_fail;
	struct dentry *wep_packets;
	struct dentry *wep_interrupt;

	struct dentry *pwr_ps_enter;
	struct dentry *pwr_elp_enter;
	struct dentry *pwr_missing_bcns;
	struct dentry *pwr_wake_on_host;
	struct dentry *pwr_wake_on_timer_exp;
	struct dentry *pwr_tx_with_ps;
	struct dentry *pwr_tx_without_ps;
	struct dentry *pwr_rcvd_beacons;
	struct dentry *pwr_power_save_off;
	struct dentry *pwr_enable_ps;
	struct dentry *pwr_disable_ps;
	struct dentry *pwr_fix_tsf_ps;
	/* skipping cont_miss_bcns_spread for now */
	struct dentry *pwr_rcvd_awake_beacons;

	struct dentry *mic_rx_pkts;
	struct dentry *mic_calc_failure;

	struct dentry *aes_encrypt_fail;
	struct dentry *aes_decrypt_fail;
	struct dentry *aes_encrypt_packets;
	struct dentry *aes_decrypt_packets;
	struct dentry *aes_encrypt_interrupt;
	struct dentry *aes_decrypt_interrupt;

	struct dentry *event_heart_beat;
	struct dentry *event_calibration;
	struct dentry *event_rx_mismatch;
	struct dentry *event_rx_mem_empty;
	struct dentry *event_rx_pool;
	struct dentry *event_oom_late;
	struct dentry *event_phy_transmit_error;
	struct dentry *event_tx_stuck;

	struct dentry *ps_pspoll_timeouts;
	struct dentry *ps_upsd_timeouts;
	struct dentry *ps_upsd_max_sptime;
	struct dentry *ps_upsd_max_apturn;
	struct dentry *ps_pspoll_max_apturn;
	struct dentry *ps_pspoll_utilization;
	struct dentry *ps_upsd_utilization;

	struct dentry *rxpipe_rx_prep_beacon_drop;
	struct dentry *rxpipe_descr_host_int_trig_rx_data;
	struct dentry *rxpipe_beacon_buffer_thres_host_int_trig_rx_data;
	struct dentry *rxpipe_missed_beacon_host_int_trig_rx_data;
	struct dentry *rxpipe_tx_xfr_host_int_trig_rx_data;

	struct dentry *tx_queue_len;
	struct dentry *tx_queue_status;

	struct dentry *retry_count;
	struct dentry *excessive_retries;
};

struct wl1251_if_operations {
	void (*read)(struct wl1251 *wl, int addr, void *buf, size_t len);
	void (*write)(struct wl1251 *wl, int addr, void *buf, size_t len);
	void (*read_elp)(struct wl1251 *wl, int addr, u32 *val);
	void (*write_elp)(struct wl1251 *wl, int addr, u32 val);
	void (*reset)(struct wl1251 *wl);
	void (*enable_irq)(struct wl1251 *wl);
	void (*disable_irq)(struct wl1251 *wl);
};

struct wl1251 {
	struct ieee80211_hw *hw;
	bool mac80211_registered;

	void *if_priv;
	const struct wl1251_if_operations *if_ops;

	void (*set_power)(bool enable);
	int irq;
	bool use_eeprom;

	enum wl1251_state state;
	struct mutex mutex;

	int physical_mem_addr;
	int physical_reg_addr;
	int virtual_mem_addr;
	int virtual_reg_addr;

	int cmd_box_addr;
	int event_box_addr;
	struct boot_attr boot_attr;

	u8 *fw;
	size_t fw_len;
	u8 *nvs;
	size_t nvs_len;

	u8 bssid[ETH_ALEN];
	u8 mac_addr[ETH_ALEN];
	u8 bss_type;
	u8 listen_int;
	int channel;

	void *target_mem_map;
	struct acx_data_path_params_resp *data_path;

	/* Number of TX packets transferred to the FW, modulo 16 */
	u32 data_in_count;

	/* Frames scheduled for transmission, not handled yet */
	struct sk_buff_head tx_queue;
	bool tx_queue_stopped;

	struct work_struct tx_work;
	struct work_struct filter_work;

	/* Pending TX frames */
	struct sk_buff *tx_frames[16];

	/*
	 * Index pointing to the next TX complete entry
	 * in the cyclic XT complete array we get from
	 * the FW.
	 */
	u32 next_tx_complete;

	/* FW Rx counter */
	u32 rx_counter;

	/* Rx frames handled */
	u32 rx_handled;

	/* Current double buffer */
	u32 rx_current_buffer;
	u32 rx_last_id;

	/* The target interrupt mask */
	u32 intr_mask;
	struct work_struct irq_work;

	/* The mbox event mask */
	u32 event_mask;

	/* Mailbox pointers */
	u32 mbox_ptr[2];

	/* Are we currently scanning */
	bool scanning;

	/* Default key (for WEP) */
	u32 default_key;

	unsigned int tx_mgmt_frm_rate;
	unsigned int tx_mgmt_frm_mod;

	unsigned int rx_config;
	unsigned int rx_filter;

	/* is firmware in elp mode */
	bool elp;

	struct delayed_work elp_work;

	/* we can be in psm, but not in elp, we have to differentiate */
	bool psm;

	/* PSM mode requested */
	bool psm_requested;

	u16 beacon_int;
	u8 dtim_period;

	/* in dBm */
	int power_level;

	struct wl1251_stats stats;
	struct wl1251_debugfs debugfs;

	u32 buffer_32;
	u32 buffer_cmd;
	u8 buffer_busyword[WL1251_BUSY_WORD_LEN];
	struct wl1251_rx_descriptor *rx_descriptor;

	struct ieee80211_vif *vif;

	u32 chip_id;
	char fw_ver[21];

	/* Most recently reported noise in dBm */
	s8 noise;
};

int wl1251_plt_start(struct wl1251 *wl);
int wl1251_plt_stop(struct wl1251 *wl);

struct ieee80211_hw *wl1251_alloc_hw(void);
int wl1251_free_hw(struct wl1251 *wl);
int wl1251_init_ieee80211(struct wl1251 *wl);
void wl1251_enable_interrupts(struct wl1251 *wl);
void wl1251_disable_interrupts(struct wl1251 *wl);

#define DEFAULT_HW_GEN_MODULATION_TYPE    CCK_LONG /* Long Preamble */
#define DEFAULT_HW_GEN_TX_RATE          RATE_2MBPS
#define JOIN_TIMEOUT 5000 /* 5000 milliseconds to join */

#define WL1251_DEFAULT_POWER_LEVEL 20

#define WL1251_TX_QUEUE_MAX_LENGTH 20

#define WL1251_DEFAULT_BEACON_INT 100
#define WL1251_DEFAULT_DTIM_PERIOD 1

#define WL1251_DEFAULT_CHANNEL 0

#define CHIP_ID_1251_PG10	           (0x7010101)
#define CHIP_ID_1251_PG11	           (0x7020101)
#define CHIP_ID_1251_PG12	           (0x7030101)
#define CHIP_ID_1271_PG10	           (0x4030101)
#define CHIP_ID_1271_PG20	           (0x4030111)

#define WL1251_FW_NAME "wl1251-fw.bin"
#define WL1251_NVS_NAME "wl1251-nvs.bin"

#define WL1251_POWER_ON_SLEEP 10 /* in miliseconds */

#define WL1251_PART_DOWN_MEM_START	0x0
#define WL1251_PART_DOWN_MEM_SIZE	0x16800
#define WL1251_PART_DOWN_REG_START	REGISTERS_BASE
#define WL1251_PART_DOWN_REG_SIZE	REGISTERS_DOWN_SIZE

#define WL1251_PART_WORK_MEM_START	0x28000
#define WL1251_PART_WORK_MEM_SIZE	0x14000
#define WL1251_PART_WORK_REG_START	REGISTERS_BASE
#define WL1251_PART_WORK_REG_SIZE	REGISTERS_WORK_SIZE

#endif