[deliverable/linux.git] / drivers / net / wireless / iwlwifi / iwl-shared.h

/******************************************************************************
 *
 * This file is provided under a dual BSD/GPLv2 license.  When using or
 * redistributing this file, you may do so under either license.
 *
 * GPL LICENSE SUMMARY
 *
 * Copyright(c) 2007 - 2011 Intel Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of version 2 of the GNU General Public License 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 Street, Fifth Floor, Boston, MA 02110,
 * USA
 *
 * The full GNU General Public License is included in this distribution
 * in the file called LICENSE.GPL.
 *
 * Contact Information:
 *  Intel Linux Wireless <ilw@linux.intel.com>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 * BSD LICENSE
 *
 * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *  * Neither the name Intel Corporation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *****************************************************************************/
#ifndef __iwl_shared_h__
#define __iwl_shared_h__

#include <linux/types.h>
#include <linux/spinlock.h>
#include <linux/mutex.h>
#include <linux/gfp.h>

#include "iwl-commands.h"

/*This files includes all the types / functions that are exported by the
 * upper layer to the bus and transport layer */

struct iwl_cfg;
struct iwl_bus;
struct iwl_priv;
struct iwl_sensitivity_ranges;
struct iwl_trans_ops;

#define DRV_NAME        "iwlagn"
#define IWLWIFI_VERSION "in-tree:"
#define DRV_COPYRIGHT	"Copyright(c) 2003-2011 Intel Corporation"
#define DRV_AUTHOR     "<ilw@linux.intel.com>"

extern struct iwl_mod_params iwlagn_mod_params;

/**
 * struct iwl_mod_params
 * @sw_crypto: using hardware encryption, default = 0
 * @num_of_queues: number of tx queue, HW dependent
 * @disable_11n: 11n capabilities enabled, default = 0
 * @amsdu_size_8K: enable 8K amsdu size, default = 1
 * @antenna: both antennas (use diversity), default = 0
 * @restart_fw: restart firmware, default = 1
 * @plcp_check: enable plcp health check, default = true
 * @ack_check: disable ack health check, default = false
 * @wd_disable: enable stuck queue check, default = false
 * @bt_coex_active: enable bt coex, default = true
 * @led_mode: system default, default = 0
 * @no_sleep_autoadjust: disable autoadjust, default = true
 * @power_save: disable power save, default = false
 * @power_level: power level, default = 1
 * @debug_level: levels are IWL_DL_*
 * @ant_coupling: antenna coupling in dB, default = 0
 * @bt_ch_announce: BT channel inhibition, default = enable
 * @wanted_ucode_alternative: ucode alternative to use, default = 1
 * @auto_agg: enable agg. without check, default = true
 */
struct iwl_mod_params {
	int sw_crypto;
	int num_of_queues;
	int disable_11n;
	int amsdu_size_8K;
	int antenna;
	int restart_fw;
	bool plcp_check;
	bool ack_check;
	bool wd_disable;
	bool bt_coex_active;
	int led_mode;
	bool no_sleep_autoadjust;
	bool power_save;
	int power_level;
	u32 debug_level;
	int ant_coupling;
	bool bt_ch_announce;
	int wanted_ucode_alternative;
	bool auto_agg;
};

/**
 * struct iwl_hw_params
 * @max_txq_num: Max # Tx queues supported
 * @num_ampdu_queues: num of ampdu queues
 * @tx/rx_chains_num: Number of TX/RX chains
 * @valid_tx/rx_ant: usable antennas
 * @max_stations:
 * @ht40_channel: is 40MHz width possible in band 2.4
 * @beacon_time_tsf_bits: number of valid tsf bits for beacon time
 * @sku:
 * @rx_page_order: Rx buffer page order
 * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR
 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
 * @sw_crypto: 0 for hw, 1 for sw
 * @max_xxx_size: for ucode uses
 * @ct_kill_threshold: temperature threshold
 * @calib_init_cfg: setup initial calibrations for the hw
 * @calib_rt_cfg: setup runtime calibrations for the hw
 * @struct iwl_sensitivity_ranges: range of sensitivity values
 */
struct iwl_hw_params {
	u8  max_txq_num;
	u8  num_ampdu_queues;
	u8  tx_chains_num;
	u8  rx_chains_num;
	u8  valid_tx_ant;
	u8  valid_rx_ant;
	u8  max_stations;
	u8  ht40_channel;
	bool shadow_reg_enable;
	u16 beacon_time_tsf_bits;
	u16 sku;
	u32 rx_page_order;
	u32 max_inst_size;
	u32 max_data_size;
	u32 ct_kill_threshold; /* value in hw-dependent units */
	u32 ct_kill_exit_threshold; /* value in hw-dependent units */
				    /* for 1000, 6000 series and up */
	u32 calib_init_cfg;
	u32 calib_rt_cfg;
	const struct iwl_sensitivity_ranges *sens;
};

/**
 * struct iwl_ht_agg - aggregation status while waiting for block-ack
 * @txq_id: Tx queue used for Tx attempt
 * @wait_for_ba: Expect block-ack before next Tx reply
 * @rate_n_flags: Rate at which Tx was attempted
 *
 * If REPLY_TX indicates that aggregation was attempted, driver must wait
 * for block ack (REPLY_COMPRESSED_BA).  This struct stores tx reply info
 * until block ack arrives.
 */
struct iwl_ht_agg {
	u16 txq_id;
	u16 wait_for_ba;
	u32 rate_n_flags;
#define IWL_AGG_OFF 0
#define IWL_AGG_ON 1
#define IWL_EMPTYING_HW_QUEUE_ADDBA 2
#define IWL_EMPTYING_HW_QUEUE_DELBA 3
	u8 state;
	u8 tx_fifo;
};

struct iwl_tid_data {
	u16 seq_number; /* agn only */
	u16 tfds_in_queue;
	struct iwl_ht_agg agg;
};

/**
 * struct iwl_shared - shared fields for all the layers of the driver
 *
 * @dbg_level_dev: dbg level set per device. Prevails on
 *	iwlagn_mod_params.debug_level if set (!= 0)
 * @ucode_owner: IWL_OWNERSHIP_*
 * @cmd_queue: command queue number
 * @status: STATUS_*
 * @bus: pointer to the bus layer data
 * @priv: pointer to the upper layer data
 * @hw_params: see struct iwl_hw_params
 * @workqueue: the workqueue used by all the layers of the driver
 * @lock: protect general shared data
 * @sta_lock: protects the station table.
 *	If lock and sta_lock are needed, lock must be acquired first.
 * @mutex:
 */
struct iwl_shared {
#ifdef CONFIG_IWLWIFI_DEBUG
	u32 dbg_level_dev;
#endif /* CONFIG_IWLWIFI_DEBUG */

#define IWL_OWNERSHIP_DRIVER	0
#define IWL_OWNERSHIP_TM	1
	u8 ucode_owner;
	u8 cmd_queue;
	unsigned long status;
	bool wowlan;

	struct iwl_bus *bus;
	struct iwl_priv *priv;
	struct iwl_trans *trans;
	struct iwl_hw_params hw_params;

	struct workqueue_struct *workqueue;
	spinlock_t lock;
	spinlock_t sta_lock;
	struct mutex mutex;

	struct iwl_tid_data tid_data[IWLAGN_STATION_COUNT][IWL_MAX_TID_COUNT];
};

/*Whatever _m is (iwl_trans, iwl_priv, iwl_bus, these macros will work */
#define priv(_m)	((_m)->shrd->priv)
#define bus(_m)		((_m)->shrd->bus)
#define trans(_m)	((_m)->shrd->trans)
#define hw_params(_m)	((_m)->shrd->hw_params)

#ifdef CONFIG_IWLWIFI_DEBUG
/*
 * iwl_get_debug_level: Return active debug level for device
 *
 * Using sysfs it is possible to set per device debug level. This debug
 * level will be used if set, otherwise the global debug level which can be
 * set via module parameter is used.
 */
static inline u32 iwl_get_debug_level(struct iwl_shared *shrd)
{
	if (shrd->dbg_level_dev)
		return shrd->dbg_level_dev;
	else
		return iwlagn_mod_params.debug_level;
}
#else
static inline u32 iwl_get_debug_level(struct iwl_shared *shrd)
{
	return iwlagn_mod_params.debug_level;
}
#endif

static inline void iwl_free_pages(struct iwl_shared *shrd, unsigned long page)
{
	free_pages(page, shrd->hw_params.rx_page_order);
}

struct iwl_rx_mem_buffer {
	dma_addr_t page_dma;
	struct page *page;
	struct list_head list;
};

#define rxb_addr(r) page_address(r->page)

#ifdef CONFIG_PM
int iwl_suspend(struct iwl_priv *priv);
int iwl_resume(struct iwl_priv *priv);
#endif /* !CONFIG_PM */

int iwl_probe(struct iwl_bus *bus, const struct iwl_trans_ops *trans_ops,
		struct iwl_cfg *cfg);
void __devexit iwl_remove(struct iwl_priv * priv);

/*****************************************************
* DRIVER STATUS FUNCTIONS
******************************************************/
#define STATUS_HCMD_ACTIVE	0	/* host command in progress */
/* 1 is unused (used to be STATUS_HCMD_SYNC_ACTIVE) */
#define STATUS_INT_ENABLED	2
#define STATUS_RF_KILL_HW	3
#define STATUS_CT_KILL		4
#define STATUS_INIT		5
#define STATUS_ALIVE		6
#define STATUS_READY		7
#define STATUS_TEMPERATURE	8
#define STATUS_GEO_CONFIGURED	9
#define STATUS_EXIT_PENDING	10
#define STATUS_STATISTICS	12
#define STATUS_SCANNING		13
#define STATUS_SCAN_ABORTING	14
#define STATUS_SCAN_HW		15
#define STATUS_POWER_PMI	16
#define STATUS_FW_ERROR		17
#define STATUS_DEVICE_ENABLED	18
#define STATUS_CHANNEL_SWITCH_PENDING 19

static inline int iwl_is_ready(struct iwl_shared *shrd)
{
	/* The adapter is 'ready' if READY and GEO_CONFIGURED bits are
	 * set but EXIT_PENDING is not */
	return test_bit(STATUS_READY, &shrd->status) &&
	       test_bit(STATUS_GEO_CONFIGURED, &shrd->status) &&
	       !test_bit(STATUS_EXIT_PENDING, &shrd->status);
}

static inline int iwl_is_alive(struct iwl_shared *shrd)
{
	return test_bit(STATUS_ALIVE, &shrd->status);
}

static inline int iwl_is_init(struct iwl_shared *shrd)
{
	return test_bit(STATUS_INIT, &shrd->status);
}

static inline int iwl_is_rfkill_hw(struct iwl_shared *shrd)
{
	return test_bit(STATUS_RF_KILL_HW, &shrd->status);
}

static inline int iwl_is_rfkill(struct iwl_shared *shrd)
{
	return iwl_is_rfkill_hw(shrd);
}

static inline int iwl_is_ctkill(struct iwl_shared *shrd)
{
	return test_bit(STATUS_CT_KILL, &shrd->status);
}

static inline int iwl_is_ready_rf(struct iwl_shared *shrd)
{
	if (iwl_is_rfkill(shrd))
		return 0;

	return iwl_is_ready(shrd);
}

#endif /* #__iwl_shared_h__ */
Commit	Line	Data
48f20d35 EG	1	/******************************************************************************
	2	*
	3	* This file is provided under a dual BSD/GPLv2 license. When using or
	4	* redistributing this file, you may do so under either license.
	5	*
	6	* GPL LICENSE SUMMARY
	7	*
	8	* Copyright(c) 2007 - 2011 Intel Corporation. All rights reserved.
	9	*
	10	* This program is free software; you can redistribute it and/or modify
	11	* it under the terms of version 2 of the GNU General Public License as
	12	* published by the Free Software Foundation.
	13	*
	14	* This program is distributed in the hope that it will be useful, but
	15	* WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	17	* General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License
	20	* along with this program; if not, write to the Free Software
	21	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
	22	* USA
	23	*
	24	* The full GNU General Public License is included in this distribution
	25	* in the file called LICENSE.GPL.
	26	*
	27	* Contact Information:
	28	* Intel Linux Wireless <ilw@linux.intel.com>
	29	* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
	30	*
	31	* BSD LICENSE
	32	*
	33	* Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved.
	34	* All rights reserved.
	35	*
	36	* Redistribution and use in source and binary forms, with or without
	37	* modification, are permitted provided that the following conditions
	38	* are met:
	39	*
	40	* * Redistributions of source code must retain the above copyright
	41	* notice, this list of conditions and the following disclaimer.
	42	* * Redistributions in binary form must reproduce the above copyright
	43	* notice, this list of conditions and the following disclaimer in
	44	* the documentation and/or other materials provided with the
	45	* distribution.
	46	* * Neither the name Intel Corporation nor the names of its
	47	* contributors may be used to endorse or promote products derived
	48	* from this software without specific prior written permission.
	49	*
	50	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	51	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	52	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
	53	* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	54	* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	55	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	56	* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	57	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	58	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	59	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	60	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	61	*
	62	*****************************************************************************/
	63	#ifndef __iwl_shared_h__
	64	#define __iwl_shared_h__
65
a72b8b08 EG	66	#include <linux/types.h>
	67	#include <linux/spinlock.h>
	68	#include <linux/mutex.h>
	69	#include <linux/gfp.h>
	70
5f85a789 EG	71	#include "iwl-commands.h"
5f85a789 EG	72
e6bb4c9c EG	73	/*This files includes all the types / functions that are exported by the
	74	* upper layer to the bus and transport layer */
	75
48f20d35	76	struct iwl_cfg;
cac988a6	77	struct iwl_bus;
48f20d35	78	struct iwl_priv;
d6189124	79	struct iwl_sensitivity_ranges;
e6bb4c9c	80	struct iwl_trans_ops;
48f20d35	81
332a4bad EG	82	#define DRV_NAME "iwlagn"
	83	#define IWLWIFI_VERSION "in-tree:"
	84	#define DRV_COPYRIGHT "Copyright(c) 2003-2011 Intel Corporation"
	85	#define DRV_AUTHOR "<ilw@linux.intel.com>"
	86
48f20d35 EG	87	extern struct iwl_mod_params iwlagn_mod_params;
48f20d35 EG	88
e4ef84d9 WYG	89	/**
	90	* struct iwl_mod_params
	91	* @sw_crypto: using hardware encryption, default = 0
	92	* @num_of_queues: number of tx queue, HW dependent
	93	* @disable_11n: 11n capabilities enabled, default = 0
	94	* @amsdu_size_8K: enable 8K amsdu size, default = 1
	95	* @antenna: both antennas (use diversity), default = 0
	96	* @restart_fw: restart firmware, default = 1
	97	* @plcp_check: enable plcp health check, default = true
	98	* @ack_check: disable ack health check, default = false
	99	* @wd_disable: enable stuck queue check, default = false
	100	* @bt_coex_active: enable bt coex, default = true
	101	* @led_mode: system default, default = 0
	102	* @no_sleep_autoadjust: disable autoadjust, default = true
	103	* @power_save: disable power save, default = false
	104	* @power_level: power level, default = 1
	105	* @debug_level: levels are IWL_DL_*
	106	* @ant_coupling: antenna coupling in dB, default = 0
	107	* @bt_ch_announce: BT channel inhibition, default = enable
	108	* @wanted_ucode_alternative: ucode alternative to use, default = 1
	109	* @auto_agg: enable agg. without check, default = true
	110	*/
48f20d35	111	struct iwl_mod_params {
e4ef84d9 WYG	112	int sw_crypto;
	113	int num_of_queues;
	114	int disable_11n;
	115	int amsdu_size_8K;
	116	int antenna;
	117	int restart_fw;
	118	bool plcp_check;
	119	bool ack_check;
	120	bool wd_disable;
	121	bool bt_coex_active;
	122	int led_mode;
	123	bool no_sleep_autoadjust;
	124	bool power_save;
	125	int power_level;
	126	u32 debug_level;
48f20d35	127	int ant_coupling;
e4ef84d9	128	bool bt_ch_announce;
48f20d35	129	int wanted_ucode_alternative;
e4ef84d9	130	bool auto_agg;
48f20d35 EG	131	};
48f20d35 EG	132
d6189124 EG	133	/**
	134	* struct iwl_hw_params
	135	* @max_txq_num: Max # Tx queues supported
fd656935	136	* @num_ampdu_queues: num of ampdu queues
d6189124 EG	137	* @tx/rx_chains_num: Number of TX/RX chains
d6189124 EG	138	* @valid_tx/rx_ant: usable antennas
d6189124 EG	139	* @max_stations:
d6189124 EG	140	* @ht40_channel: is 40MHz width possible in band 2.4
fd656935 EG	141	* @beacon_time_tsf_bits: number of valid tsf bits for beacon time
	142	* @sku:
	143	* @rx_page_order: Rx buffer page order
	144	* @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR
d6189124 EG	145	* BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
	146	* @sw_crypto: 0 for hw, 1 for sw
	147	* @max_xxx_size: for ucode uses
	148	* @ct_kill_threshold: temperature threshold
d6189124 EG	149	* @calib_init_cfg: setup initial calibrations for the hw
	150	* @calib_rt_cfg: setup runtime calibrations for the hw
	151	* @struct iwl_sensitivity_ranges: range of sensitivity values
	152	*/
	153	struct iwl_hw_params {
fd656935 EG	154	u8 max_txq_num;
fd656935 EG	155	u8 num_ampdu_queues;
d6189124 EG	156	u8 tx_chains_num;
	157	u8 rx_chains_num;
	158	u8 valid_tx_ant;
	159	u8 valid_rx_ant;
d6189124 EG	160	u8 max_stations;
d6189124 EG	161	u8 ht40_channel;
fd656935 EG	162	bool shadow_reg_enable;
	163	u16 beacon_time_tsf_bits;
	164	u16 sku;
	165	u32 rx_page_order;
d6189124 EG	166	u32 max_inst_size;
	167	u32 max_data_size;
	168	u32 ct_kill_threshold; /* value in hw-dependent units */
	169	u32 ct_kill_exit_threshold; /* value in hw-dependent units */
	170	/* for 1000, 6000 series and up */
d6189124 EG	171	u32 calib_init_cfg;
	172	u32 calib_rt_cfg;
	173	const struct iwl_sensitivity_ranges *sens;
	174	};
	175
5f85a789 EG	176	/**
	177	* struct iwl_ht_agg - aggregation status while waiting for block-ack
	178	* @txq_id: Tx queue used for Tx attempt
	179	* @wait_for_ba: Expect block-ack before next Tx reply
	180	* @rate_n_flags: Rate at which Tx was attempted
	181	*
	182	* If REPLY_TX indicates that aggregation was attempted, driver must wait
	183	* for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
	184	* until block ack arrives.
	185	*/
	186	struct iwl_ht_agg {
	187	u16 txq_id;
	188	u16 wait_for_ba;
	189	u32 rate_n_flags;
	190	#define IWL_AGG_OFF 0
	191	#define IWL_AGG_ON 1
	192	#define IWL_EMPTYING_HW_QUEUE_ADDBA 2
	193	#define IWL_EMPTYING_HW_QUEUE_DELBA 3
	194	u8 state;
	195	u8 tx_fifo;
	196	};
	197
	198	struct iwl_tid_data {
	199	u16 seq_number; /* agn only */
	200	u16 tfds_in_queue;
	201	struct iwl_ht_agg agg;
	202	};
	203
cac988a6 EG	204	/**
	205	* struct iwl_shared - shared fields for all the layers of the driver
	206	*
8f470ce3 EG	207	* @dbg_level_dev: dbg level set per device. Prevails on
8f470ce3 EG	208	* iwlagn_mod_params.debug_level if set (!= 0)
fd656935	209	* @ucode_owner: IWL_OWNERSHIP_*
cefeaa5f	210	* @cmd_queue: command queue number
63013ae3	211	* @status: STATUS_*
cac988a6 EG	212	* @bus: pointer to the bus layer data
cac988a6 EG	213	* @priv: pointer to the upper layer data
d6189124	214	* @hw_params: see struct iwl_hw_params
74e28e44	215	* @workqueue: the workqueue used by all the layers of the driver
10b15e6f	216	* @lock: protect general shared data
f39c95e8 EG	217	* @sta_lock: protects the station table.
f39c95e8 EG	218	* If lock and sta_lock are needed, lock must be acquired first.
6ac2f839	219	* @mutex:
cac988a6 EG	220	*/
cac988a6 EG	221	struct iwl_shared {
8f470ce3 EG	222	#ifdef CONFIG_IWLWIFI_DEBUG
	223	u32 dbg_level_dev;
	224	#endif /* CONFIG_IWLWIFI_DEBUG */
	225
fd656935 EG	226	#define IWL_OWNERSHIP_DRIVER 0
	227	#define IWL_OWNERSHIP_TM 1
	228	u8 ucode_owner;
cefeaa5f	229	u8 cmd_queue;
63013ae3	230	unsigned long status;
57210f7c	231	bool wowlan;
cefeaa5f	232
cac988a6 EG	233	struct iwl_bus *bus;
cac988a6 EG	234	struct iwl_priv *priv;
e6bb4c9c	235	struct iwl_trans *trans;
d6189124	236	struct iwl_hw_params hw_params;
74e28e44 EG	237
74e28e44 EG	238	struct workqueue_struct *workqueue;
10b15e6f	239	spinlock_t lock;
f39c95e8	240	spinlock_t sta_lock;
6ac2f839	241	struct mutex mutex;
5f85a789 EG	242
5f85a789 EG	243	struct iwl_tid_data tid_data[IWLAGN_STATION_COUNT][IWL_MAX_TID_COUNT];
cac988a6 EG	244	};
	245
	246	/Whatever _m is (iwl_trans, iwl_priv, iwl_bus, these macros will work /
	247	#define priv(_m) ((_m)->shrd->priv)
	248	#define bus(_m) ((_m)->shrd->bus)
e6bb4c9c	249	#define trans(_m) ((_m)->shrd->trans)
d6189124	250	#define hw_params(_m) ((_m)->shrd->hw_params)
cac988a6	251
8f470ce3 EG	252	#ifdef CONFIG_IWLWIFI_DEBUG
	253	/*
	254	* iwl_get_debug_level: Return active debug level for device
	255	*
	256	* Using sysfs it is possible to set per device debug level. This debug
	257	* level will be used if set, otherwise the global debug level which can be
	258	* set via module parameter is used.
	259	*/
	260	static inline u32 iwl_get_debug_level(struct iwl_shared *shrd)
	261	{
	262	if (shrd->dbg_level_dev)
	263	return shrd->dbg_level_dev;
	264	else
	265	return iwlagn_mod_params.debug_level;
	266	}
	267	#else
	268	static inline u32 iwl_get_debug_level(struct iwl_shared *shrd)
	269	{
	270	return iwlagn_mod_params.debug_level;
	271	}
	272	#endif
	273
790428b6 EG	274	static inline void iwl_free_pages(struct iwl_shared *shrd, unsigned long page)
	275	{
	276	free_pages(page, shrd->hw_params.rx_page_order);
	277	}
	278
5a878bf6 EG	279	struct iwl_rx_mem_buffer {
	280	dma_addr_t page_dma;
	281	struct page *page;
	282	struct list_head list;
	283	};
	284
	285	#define rxb_addr(r) page_address(r->page)
	286
48f20d35 EG	287	#ifdef CONFIG_PM
	288	int iwl_suspend(struct iwl_priv *priv);
	289	int iwl_resume(struct iwl_priv *priv);
	290	#endif /* !CONFIG_PM */
	291
e6bb4c9c EG	292	int iwl_probe(struct iwl_bus bus, const struct iwl_trans_ops trans_ops,
e6bb4c9c EG	293	struct iwl_cfg *cfg);
48f20d35 EG	294	void __devexit iwl_remove(struct iwl_priv * priv);
48f20d35 EG	295
845a9c0d EG	296	/*****************************************************
	297	* DRIVER STATUS FUNCTIONS
	298	******************************************************/
	299	#define STATUS_HCMD_ACTIVE 0 /* host command in progress */
	300	/* 1 is unused (used to be STATUS_HCMD_SYNC_ACTIVE) */
	301	#define STATUS_INT_ENABLED 2
	302	#define STATUS_RF_KILL_HW 3
	303	#define STATUS_CT_KILL 4
	304	#define STATUS_INIT 5
	305	#define STATUS_ALIVE 6
	306	#define STATUS_READY 7
	307	#define STATUS_TEMPERATURE 8
	308	#define STATUS_GEO_CONFIGURED 9
	309	#define STATUS_EXIT_PENDING 10
	310	#define STATUS_STATISTICS 12
	311	#define STATUS_SCANNING 13
	312	#define STATUS_SCAN_ABORTING 14
	313	#define STATUS_SCAN_HW 15
	314	#define STATUS_POWER_PMI 16
	315	#define STATUS_FW_ERROR 17
	316	#define STATUS_DEVICE_ENABLED 18
	317	#define STATUS_CHANNEL_SWITCH_PENDING 19
	318
	319	static inline int iwl_is_ready(struct iwl_shared *shrd)
	320	{
	321	/* The adapter is 'ready' if READY and GEO_CONFIGURED bits are
	322	* set but EXIT_PENDING is not */
	323	return test_bit(STATUS_READY, &shrd->status) &&
	324	test_bit(STATUS_GEO_CONFIGURED, &shrd->status) &&
	325	!test_bit(STATUS_EXIT_PENDING, &shrd->status);
	326	}
	327
	328	static inline int iwl_is_alive(struct iwl_shared *shrd)
	329	{
	330	return test_bit(STATUS_ALIVE, &shrd->status);
	331	}
	332
	333	static inline int iwl_is_init(struct iwl_shared *shrd)
	334	{
	335	return test_bit(STATUS_INIT, &shrd->status);
	336	}
	337
	338	static inline int iwl_is_rfkill_hw(struct iwl_shared *shrd)
	339	{
	340	return test_bit(STATUS_RF_KILL_HW, &shrd->status);
	341	}
	342
	343	static inline int iwl_is_rfkill(struct iwl_shared *shrd)
	344	{
	345	return iwl_is_rfkill_hw(shrd);
	346	}
	347
	348	static inline int iwl_is_ctkill(struct iwl_shared *shrd)
	349	{
	350	return test_bit(STATUS_CT_KILL, &shrd->status);
	351	}
	352
	353	static inline int iwl_is_ready_rf(struct iwl_shared *shrd)
	354	{
	355	if (iwl_is_rfkill(shrd))
	356	return 0;
	357
	358	return iwl_is_ready(shrd);
	359	}
360
48f20d35	361	#endif /* #__iwl_shared_h__ */