[deliverable/linux.git] / drivers / net / wireless / wl12xx / wl1271.h

/*
 * This file is part of wl1271
 *
 * Copyright (C) 1998-2009 Texas Instruments. All rights reserved.
 * Copyright (C) 2008-2009 Nokia Corporation
 *
 * Contact: Luciano Coelho <luciano.coelho@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 __WL1271_H__
#define __WL1271_H__

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

#define DRIVER_NAME "wl1271"
#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 wl1271_error(fmt, arg...) \
	printk(KERN_ERR DRIVER_PREFIX "ERROR " fmt "\n", ##arg)

#define wl1271_warning(fmt, arg...) \
	printk(KERN_WARNING DRIVER_PREFIX "WARNING " fmt "\n", ##arg)

#define wl1271_notice(fmt, arg...) \
	printk(KERN_INFO DRIVER_PREFIX fmt "\n", ##arg)

#define wl1271_info(fmt, arg...) \
	printk(KERN_DEBUG DRIVER_PREFIX fmt "\n", ##arg)

#define wl1271_debug(level, fmt, arg...) \
	do { \
		if (level & DEBUG_LEVEL) \
			printk(KERN_DEBUG DRIVER_PREFIX fmt "\n", ##arg); \
	} while (0)

#define wl1271_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 wl1271_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 WL1271_DEFAULT_RX_CONFIG (CFG_UNI_FILTER_EN |	\
				  CFG_BSSID_FILTER_EN | \
				  CFG_MC_FILTER_EN)

#define WL1271_DEFAULT_RX_FILTER (CFG_RX_RCTS_ACK | 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 WL1271_DEFAULT_BASIC_RATE_SET (ACX_RATE_MASK_ALL)

#define WL1271_FW_NAME "wl1271-fw.bin"
#define WL1271_NVS_NAME "wl1271-nvs.bin"

/*
 * FIXME: for the wl1271, a busy word count of 1 here will result in a more
 * optimal SPI interface. There is some SPI bug however, causing RXS time outs
 * with this mode occasionally on boot, so lets have two for now.
 */
#define WL1271_BUSY_WORD_CNT 2
#define WL1271_BUSY_WORD_LEN (WL1271_BUSY_WORD_CNT * sizeof(u32))

#define WL1271_ELP_HW_STATE_ASLEEP 0
#define WL1271_ELP_HW_STATE_IRQ    1

#define WL1271_DEFAULT_BEACON_INT  100
#define WL1271_DEFAULT_DTIM_PERIOD 1

#define ACX_TX_DESCRIPTORS         32

enum wl1271_state {
	WL1271_STATE_OFF,
	WL1271_STATE_ON,
	WL1271_STATE_PLT,
};

enum wl1271_partition_type {
	PART_DOWN,
	PART_WORK,
	PART_DRPW,

	PART_TABLE_LEN
};

struct wl1271_partition {
	u32 size;
	u32 start;
};

struct wl1271_partition_set {
	struct wl1271_partition mem;
	struct wl1271_partition reg;
};

struct wl1271;

/* FIXME: I'm not sure about this structure name */
struct wl1271_chip {
	u32 id;
	char fw_ver[21];
};

struct wl1271_stats {
	struct acx_statistics *fw_stats;
	unsigned long fw_stats_update;

	unsigned int retry_count;
	unsigned int excessive_retries;
};

struct wl1271_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 *retry_count;
	struct dentry *excessive_retries;
};

#define NUM_TX_QUEUES              4
#define NUM_RX_PKT_DESC            8

/* FW status registers */
struct wl1271_fw_status {
	u32 intr;
	u8  fw_rx_counter;
	u8  drv_rx_counter;
	u8  reserved;
	u8  tx_results_counter;
	u32 rx_pkt_descs[NUM_RX_PKT_DESC];
	u32 tx_released_blks[NUM_TX_QUEUES];
	u32 fw_localtime;
	u32 padding[2];
} __attribute__ ((packed));

struct wl1271_rx_mem_pool_addr {
	u32 addr;
	u32 addr_extra;
};

struct wl1271 {
	struct ieee80211_hw *hw;
	bool mac80211_registered;

	struct spi_device *spi;

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

	spinlock_t wl_lock;

	enum wl1271_state state;
	struct mutex mutex;

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

	struct wl1271_chip chip;

	int cmd_box_addr;
	int event_box_addr;

	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 ssid[IW_ESSID_MAX_SIZE + 1];
	u8 ssid_len;
	u8 listen_int;
	int channel;

	struct wl1271_acx_mem_map *target_mem_map;

	/* Accounting for allocated / available TX blocks on HW */
	u32 tx_blocks_freed[NUM_TX_QUEUES];
	u32 tx_blocks_available;
	u8 tx_results_count;

	/* Transmitted TX packets counter for chipset interface */
	int tx_packets_count;

	/* Time-offset between host and chipset clocks */
	int time_offset;

	/* Session counter for the chipset */
	int session_counter;

	/* 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;
	struct wl1271_filter_params *filter_params;

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

	/* Security sequence number counters */
	u8 tx_security_last_seq;
	u16 tx_security_seq_16;
	u32 tx_security_seq_32;

	/* FW Rx counter */
	u32 rx_counter;

	/* Rx memory pool address */
	struct wl1271_rx_mem_pool_addr rx_mem_pool_addr;

	/* The target interrupt 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;

	/* Our association ID */
	u16 aid;

	/* Beacon parameters */
	u16 beacon_int;
	u8 dtim_period;

	/* currently configured rate set */
	u32 basic_rate_set;

	/* The current band */
	enum ieee80211_band band;

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

	unsigned int rx_config;
	unsigned int rx_filter;

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

	struct completion *elp_compl;
	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;

	/* in dBm */
	int power_level;

	struct wl1271_stats stats;
	struct wl1271_debugfs debugfs;

	u32 buffer_32;
	u32 buffer_cmd;
	u32 buffer_busyword[WL1271_BUSY_WORD_CNT];
	struct wl1271_rx_descriptor *rx_descriptor;

	struct wl1271_fw_status *fw_status;
	struct wl1271_tx_hw_res_if *tx_res_if;

	struct ieee80211_vif *vif;

	/* Used for a workaround to send disconnect before rejoining */
	bool joined;
};

int wl1271_plt_start(struct wl1271 *wl);
int wl1271_plt_stop(struct wl1271 *wl);

#define JOIN_TIMEOUT 5000 /* 5000 milliseconds to join */

#define SESSION_COUNTER_MAX 7 /* maximum value for the session counter */

#define WL1271_DEFAULT_POWER_LEVEL 0

#define WL1271_TX_QUEUE_MAX_LENGTH 20

/* WL1271 needs a 200ms sleep after power on */
#define WL1271_POWER_ON_SLEEP 200 /* in miliseconds */

#endif
Commit	Line	Data
f5fc0f86 LC	1	/*
	2	* This file is part of wl1271
	3	*
	4	* Copyright (C) 1998-2009 Texas Instruments. All rights reserved.
	5	* Copyright (C) 2008-2009 Nokia Corporation
	6	*
	7	* Contact: Luciano Coelho <luciano.coelho@nokia.com>
	8	*
	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.
	12	*
	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.
	17	*
	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
	21	* 02110-1301 USA
	22	*
	23	*/
	24
	25	#ifndef __WL1271_H__
	26	#define __WL1271_H__
	27
	28	#include <linux/mutex.h>
	29	#include <linux/completion.h>
	30	#include <linux/spinlock.h>
	31	#include <linux/list.h>
	32	#include <linux/bitops.h>
	33	#include <net/mac80211.h>
	34
	35	#define DRIVER_NAME "wl1271"
	36	#define DRIVER_PREFIX DRIVER_NAME ": "
	37
	38	enum {
	39	DEBUG_NONE = 0,
	40	DEBUG_IRQ = BIT(0),
	41	DEBUG_SPI = BIT(1),
	42	DEBUG_BOOT = BIT(2),
	43	DEBUG_MAILBOX = BIT(3),
	44	DEBUG_NETLINK = BIT(4),
	45	DEBUG_EVENT = BIT(5),
	46	DEBUG_TX = BIT(6),
	47	DEBUG_RX = BIT(7),
	48	DEBUG_SCAN = BIT(8),
	49	DEBUG_CRYPT = BIT(9),
	50	DEBUG_PSM = BIT(10),
	51	DEBUG_MAC80211 = BIT(11),
	52	DEBUG_CMD = BIT(12),
	53	DEBUG_ACX = BIT(13),
	54	DEBUG_ALL = ~0,
	55	};
	56
	57	#define DEBUG_LEVEL (DEBUG_NONE)
	58
	59	#define DEBUG_DUMP_LIMIT 1024
	60
	61	#define wl1271_error(fmt, arg...) \
	62	printk(KERN_ERR DRIVER_PREFIX "ERROR " fmt "\n", ##arg)
	63
	64	#define wl1271_warning(fmt, arg...) \
65	printk(KERN_WARNING DRIVER_PREFIX "WARNING " fmt "\n", ##arg)
66
67	#define wl1271_notice(fmt, arg...) \
68	printk(KERN_INFO DRIVER_PREFIX fmt "\n", ##arg)
69
70	#define wl1271_info(fmt, arg...) \
71	printk(KERN_DEBUG DRIVER_PREFIX fmt "\n", ##arg)
72
73	#define wl1271_debug(level, fmt, arg...) \
74	do { \
75	if (level & DEBUG_LEVEL) \
76	printk(KERN_DEBUG DRIVER_PREFIX fmt "\n", ##arg); \
77	} while (0)
78
79	#define wl1271_dump(level, prefix, buf, len) \
80	do { \
81	if (level & DEBUG_LEVEL) \
82	print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \
83	DUMP_PREFIX_OFFSET, 16, 1, \
84	buf, \
85	min_t(size_t, len, DEBUG_DUMP_LIMIT), \
86	0); \
87	} while (0)
88
89	#define wl1271_dump_ascii(level, prefix, buf, len) \
90	do { \
91	if (level & DEBUG_LEVEL) \
92	print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \
93	DUMP_PREFIX_OFFSET, 16, 1, \
94	buf, \
95	min_t(size_t, len, DEBUG_DUMP_LIMIT), \
96	true); \
97	} while (0)
98
99	#define WL1271_DEFAULT_RX_CONFIG (CFG_UNI_FILTER_EN \| \
c87dec9f JO	100	CFG_BSSID_FILTER_EN \| \
c87dec9f JO	101	CFG_MC_FILTER_EN)
f5fc0f86 LC	102
	103	#define WL1271_DEFAULT_RX_FILTER (CFG_RX_RCTS_ACK \| CFG_RX_PRSP_EN \| \
	104	CFG_RX_MGMT_EN \| CFG_RX_DATA_EN \| \
	105	CFG_RX_CTL_EN \| CFG_RX_BCN_EN \| \
	106	CFG_RX_AUTH_EN \| CFG_RX_ASSOC_EN)
	107
d94cd297 JO	108	#define WL1271_DEFAULT_BASIC_RATE_SET (ACX_RATE_MASK_ALL)
d94cd297 JO	109
f5fc0f86 LC	110	#define WL1271_FW_NAME "wl1271-fw.bin"
	111	#define WL1271_NVS_NAME "wl1271-nvs.bin"
	112
545f1da8 JO	113	/*
	114	* FIXME: for the wl1271, a busy word count of 1 here will result in a more
	115	* optimal SPI interface. There is some SPI bug however, causing RXS time outs
	116	* with this mode occasionally on boot, so lets have two for now.
	117	*/
	118	#define WL1271_BUSY_WORD_CNT 2
	119	#define WL1271_BUSY_WORD_LEN (WL1271_BUSY_WORD_CNT * sizeof(u32))
f5fc0f86 LC	120
	121	#define WL1271_ELP_HW_STATE_ASLEEP 0
	122	#define WL1271_ELP_HW_STATE_IRQ 1
	123
d94cd297 JO	124	#define WL1271_DEFAULT_BEACON_INT 100
	125	#define WL1271_DEFAULT_DTIM_PERIOD 1
	126
c87dec9f	127	#define ACX_TX_DESCRIPTORS 32
be7078c2	128
f5fc0f86 LC	129	enum wl1271_state {
	130	WL1271_STATE_OFF,
	131	WL1271_STATE_ON,
	132	WL1271_STATE_PLT,
	133	};
	134
	135	enum wl1271_partition_type {
	136	PART_DOWN,
	137	PART_WORK,
	138	PART_DRPW,
	139
	140	PART_TABLE_LEN
	141	};
	142
	143	struct wl1271_partition {
	144	u32 size;
	145	u32 start;
	146	};
	147
	148	struct wl1271_partition_set {
	149	struct wl1271_partition mem;
	150	struct wl1271_partition reg;
	151	};
	152
	153	struct wl1271;
	154
	155	/* FIXME: I'm not sure about this structure name */
	156	struct wl1271_chip {
	157	u32 id;
	158	char fw_ver[21];
	159	};
	160
	161	struct wl1271_stats {
	162	struct acx_statistics *fw_stats;
	163	unsigned long fw_stats_update;
	164
	165	unsigned int retry_count;
	166	unsigned int excessive_retries;
	167	};
	168
	169	struct wl1271_debugfs {
	170	struct dentry *rootdir;
	171	struct dentry *fw_statistics;
	172
	173	struct dentry *tx_internal_desc_overflow;
	174
	175	struct dentry *rx_out_of_mem;
	176	struct dentry *rx_hdr_overflow;
	177	struct dentry *rx_hw_stuck;
	178	struct dentry *rx_dropped;
	179	struct dentry *rx_fcs_err;
	180	struct dentry *rx_xfr_hint_trig;
	181	struct dentry *rx_path_reset;
	182	struct dentry *rx_reset_counter;
	183
	184	struct dentry *dma_rx_requested;
	185	struct dentry *dma_rx_errors;
	186	struct dentry *dma_tx_requested;
	187	struct dentry *dma_tx_errors;
	188
	189	struct dentry *isr_cmd_cmplt;
	190	struct dentry *isr_fiqs;
	191	struct dentry *isr_rx_headers;
	192	struct dentry *isr_rx_mem_overflow;
193	struct dentry *isr_rx_rdys;
194	struct dentry *isr_irqs;
195	struct dentry *isr_tx_procs;
196	struct dentry *isr_decrypt_done;
197	struct dentry *isr_dma0_done;
198	struct dentry *isr_dma1_done;
199	struct dentry *isr_tx_exch_complete;
200	struct dentry *isr_commands;
201	struct dentry *isr_rx_procs;
202	struct dentry *isr_hw_pm_mode_changes;
203	struct dentry *isr_host_acknowledges;
204	struct dentry *isr_pci_pm;
205	struct dentry *isr_wakeups;
206	struct dentry *isr_low_rssi;
207
208	struct dentry *wep_addr_key_count;
209	struct dentry *wep_default_key_count;
210	/* skipping wep.reserved */
211	struct dentry *wep_key_not_found;
212	struct dentry *wep_decrypt_fail;
213	struct dentry *wep_packets;
214	struct dentry *wep_interrupt;
215
216	struct dentry *pwr_ps_enter;
217	struct dentry *pwr_elp_enter;
218	struct dentry *pwr_missing_bcns;
219	struct dentry *pwr_wake_on_host;
220	struct dentry *pwr_wake_on_timer_exp;
221	struct dentry *pwr_tx_with_ps;
222	struct dentry *pwr_tx_without_ps;
223	struct dentry *pwr_rcvd_beacons;
224	struct dentry *pwr_power_save_off;
225	struct dentry *pwr_enable_ps;
226	struct dentry *pwr_disable_ps;
227	struct dentry *pwr_fix_tsf_ps;
228	/* skipping cont_miss_bcns_spread for now */
229	struct dentry *pwr_rcvd_awake_beacons;
230
231	struct dentry *mic_rx_pkts;
232	struct dentry *mic_calc_failure;
233
234	struct dentry *aes_encrypt_fail;
235	struct dentry *aes_decrypt_fail;
236	struct dentry *aes_encrypt_packets;
237	struct dentry *aes_decrypt_packets;
238	struct dentry *aes_encrypt_interrupt;
239	struct dentry *aes_decrypt_interrupt;
240
241	struct dentry *event_heart_beat;
242	struct dentry *event_calibration;
243	struct dentry *event_rx_mismatch;
244	struct dentry *event_rx_mem_empty;
245	struct dentry *event_rx_pool;
246	struct dentry *event_oom_late;
247	struct dentry *event_phy_transmit_error;
248	struct dentry *event_tx_stuck;
249
250	struct dentry *ps_pspoll_timeouts;
251	struct dentry *ps_upsd_timeouts;
252	struct dentry *ps_upsd_max_sptime;
253	struct dentry *ps_upsd_max_apturn;
254	struct dentry *ps_pspoll_max_apturn;
255	struct dentry *ps_pspoll_utilization;
256	struct dentry *ps_upsd_utilization;
257
258	struct dentry *rxpipe_rx_prep_beacon_drop;
259	struct dentry *rxpipe_descr_host_int_trig_rx_data;
260	struct dentry *rxpipe_beacon_buffer_thres_host_int_trig_rx_data;
261	struct dentry *rxpipe_missed_beacon_host_int_trig_rx_data;
262	struct dentry *rxpipe_tx_xfr_host_int_trig_rx_data;
263
264	struct dentry *tx_queue_len;
265
266	struct dentry *retry_count;
267	struct dentry *excessive_retries;
268	};
269
270	#define NUM_TX_QUEUES 4
271	#define NUM_RX_PKT_DESC 8
272
273	/* FW status registers */
274	struct wl1271_fw_status {
275	u32 intr;
276	u8 fw_rx_counter;
277	u8 drv_rx_counter;
278	u8 reserved;
279	u8 tx_results_counter;
280	u32 rx_pkt_descs[NUM_RX_PKT_DESC];
281	u32 tx_released_blks[NUM_TX_QUEUES];
282	u32 fw_localtime;
283	u32 padding[2];
284	} __attribute__ ((packed));
285
286	struct wl1271_rx_mem_pool_addr {
287	u32 addr;
288	u32 addr_extra;
289	};
290
291	struct wl1271 {
292	struct ieee80211_hw *hw;
293	bool mac80211_registered;
294
295	struct spi_device *spi;
296
297	void (*set_power)(bool enable);
298	int irq;
299
300	spinlock_t wl_lock;
301
302	enum wl1271_state state;
303	struct mutex mutex;
304
305	int physical_mem_addr;
306	int physical_reg_addr;
307	int virtual_mem_addr;
308	int virtual_reg_addr;
309
310	struct wl1271_chip chip;
311
312	int cmd_box_addr;
313	int event_box_addr;
314
315	u8 *fw;
316	size_t fw_len;
317	u8 *nvs;
318	size_t nvs_len;
319
320	u8 bssid[ETH_ALEN];
321	u8 mac_addr[ETH_ALEN];
322	u8 bss_type;
323	u8 ssid[IW_ESSID_MAX_SIZE + 1];
324	u8 ssid_len;
325	u8 listen_int;
326	int channel;
327
328	struct wl1271_acx_mem_map *target_mem_map;
329
330	/* Accounting for allocated / available TX blocks on HW */
331	u32 tx_blocks_freed[NUM_TX_QUEUES];
332	u32 tx_blocks_available;
333	u8 tx_results_count;
334
335	/* Transmitted TX packets counter for chipset interface */
336	int tx_packets_count;
337
338	/* Time-offset between host and chipset clocks */
339	int time_offset;
340
341	/* Session counter for the chipset */
342	int session_counter;
343
344	/* Frames scheduled for transmission, not handled yet */
345	struct sk_buff_head tx_queue;
346	bool tx_queue_stopped;
347
348	struct work_struct tx_work;
c87dec9f	349
f5fc0f86	350	struct work_struct filter_work;
c87dec9f	351	struct wl1271_filter_params *filter_params;
f5fc0f86 LC	352
f5fc0f86 LC	353	/* Pending TX frames */
be7078c2	354	struct sk_buff *tx_frames[ACX_TX_DESCRIPTORS];
f5fc0f86	355
ac4e4ce5 JO	356	/* Security sequence number counters */
	357	u8 tx_security_last_seq;
	358	u16 tx_security_seq_16;
	359	u32 tx_security_seq_32;
	360
f5fc0f86 LC	361	/* FW Rx counter */
	362	u32 rx_counter;
	363
	364	/* Rx memory pool address */
	365	struct wl1271_rx_mem_pool_addr rx_mem_pool_addr;
	366
	367	/* The target interrupt mask */
	368	struct work_struct irq_work;
	369
	370	/* The mbox event mask */
	371	u32 event_mask;
	372
	373	/* Mailbox pointers */
	374	u32 mbox_ptr[2];
	375
	376	/* Are we currently scanning */
	377	bool scanning;
	378
	379	/* Our association ID */
	380	u16 aid;
	381
d94cd297 JO	382	/* Beacon parameters */
	383	u16 beacon_int;
	384	u8 dtim_period;
	385
	386	/* currently configured rate set */
	387	u32 basic_rate_set;
	388
8a5a37a6 JO	389	/* The current band */
	390	enum ieee80211_band band;
	391
f5fc0f86 LC	392	/* Default key (for WEP) */
	393	u32 default_key;
	394
	395	unsigned int rx_config;
	396	unsigned int rx_filter;
	397
	398	/* is firmware in elp mode */
	399	bool elp;
	400
	401	struct completion *elp_compl;
37b70a81	402	struct delayed_work elp_work;
f5fc0f86 LC	403
	404	/* we can be in psm, but not in elp, we have to differentiate */
	405	bool psm;
	406
	407	/* PSM mode requested */
	408	bool psm_requested;
	409
	410	/* in dBm */
	411	int power_level;
	412
	413	struct wl1271_stats stats;
	414	struct wl1271_debugfs debugfs;
	415
	416	u32 buffer_32;
	417	u32 buffer_cmd;
545f1da8	418	u32 buffer_busyword[WL1271_BUSY_WORD_CNT];
f5fc0f86 LC	419	struct wl1271_rx_descriptor *rx_descriptor;
	420
	421	struct wl1271_fw_status *fw_status;
	422	struct wl1271_tx_hw_res_if *tx_res_if;
b771eee5 JO	423
b771eee5 JO	424	struct ieee80211_vif *vif;
d6e19d13 LC	425
	426	/* Used for a workaround to send disconnect before rejoining */
	427	bool joined;
f5fc0f86 LC	428	};
	429
	430	int wl1271_plt_start(struct wl1271 *wl);
	431	int wl1271_plt_stop(struct wl1271 *wl);
	432
	433	#define JOIN_TIMEOUT 5000 /* 5000 milliseconds to join */
	434
	435	#define SESSION_COUNTER_MAX 7 /* maximum value for the session counter */
	436
	437	#define WL1271_DEFAULT_POWER_LEVEL 0
	438
	439	#define WL1271_TX_QUEUE_MAX_LENGTH 20
	440
	441	/* WL1271 needs a 200ms sleep after power on */
	442	#define WL1271_POWER_ON_SLEEP 200 /* in miliseconds */
	443
	444	#endif