[mirror_ubuntu-artful-kernel.git] / drivers / net / wireless / ath / ath9k / mci.h

/*
 * Copyright (c) 2010-2011 Atheros Communications Inc.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef MCI_H
#define MCI_H

#include "ar9003_mci.h"

#define ATH_MCI_SCHED_BUF_SIZE		(16 * 16) /* 16 entries, 4 dword each */
#define ATH_MCI_GPM_MAX_ENTRY		16
#define ATH_MCI_GPM_BUF_SIZE		(ATH_MCI_GPM_MAX_ENTRY * 16)
#define ATH_MCI_DEF_BT_PERIOD		40
#define ATH_MCI_BDR_DUTY_CYCLE		20
#define ATH_MCI_MAX_DUTY_CYCLE		90

#define ATH_MCI_DEF_AGGR_LIMIT		6 /* in 0.24 ms */
#define ATH_MCI_MAX_ACL_PROFILE		7
#define ATH_MCI_MAX_SCO_PROFILE		1
#define ATH_MCI_MAX_PROFILE		(ATH_MCI_MAX_ACL_PROFILE +\
					 ATH_MCI_MAX_SCO_PROFILE)

#define ATH_MCI_INQUIRY_PRIO         62
#define ATH_MCI_HI_PRIO              60
#define ATH_MCI_NUM_BT_CHANNELS      79

#define MCI_GPM_SET_CHANNEL_BIT(_p_gpm, _bt_chan)			  \
	do {								  \
		if (_bt_chan < ATH_MCI_NUM_BT_CHANNELS) {		  \
			*(((u8 *)(_p_gpm)) + MCI_GPM_COEX_B_CHANNEL_MAP + \
				(_bt_chan / 8)) |= (1 << (_bt_chan & 7)); \
		}							  \
	} while (0)

#define MCI_GPM_CLR_CHANNEL_BIT(_p_gpm, _bt_chan)			  \
	do {								  \
		if (_bt_chan < ATH_MCI_NUM_BT_CHANNELS) {		  \
			*(((u8 *)(_p_gpm)) + MCI_GPM_COEX_B_CHANNEL_MAP + \
				(_bt_chan / 8)) &= ~(1 << (_bt_chan & 7));\
		}							  \
	} while (0)

#define INC_PROF(_mci, _info) do {		 \
		switch (_info->type) {		 \
		case MCI_GPM_COEX_PROFILE_RFCOMM:\
			_mci->num_other_acl++;	 \
			break;			 \
		case MCI_GPM_COEX_PROFILE_A2DP:	 \
			_mci->num_a2dp++;	 \
			if (!_info->edr)	 \
				_mci->num_bdr++; \
			break;			 \
		case MCI_GPM_COEX_PROFILE_HID:	 \
			_mci->num_hid++;	 \
			break;			 \
		case MCI_GPM_COEX_PROFILE_BNEP:	 \
			_mci->num_pan++;	 \
			break;			 \
		case MCI_GPM_COEX_PROFILE_VOICE: \
			_mci->num_sco++;	 \
			break;			 \
		default:			 \
			break;			 \
		}				 \
	} while (0)

#define DEC_PROF(_mci, _info) do {		 \
		switch (_info->type) {		 \
		case MCI_GPM_COEX_PROFILE_RFCOMM:\
			_mci->num_other_acl--;	 \
			break;			 \
		case MCI_GPM_COEX_PROFILE_A2DP:	 \
			_mci->num_a2dp--;	 \
			if (!_info->edr)	 \
				_mci->num_bdr--; \
			break;			 \
		case MCI_GPM_COEX_PROFILE_HID:	 \
			_mci->num_hid--;	 \
			break;			 \
		case MCI_GPM_COEX_PROFILE_BNEP:	 \
			_mci->num_pan--;	 \
			break;			 \
		case MCI_GPM_COEX_PROFILE_VOICE: \
			_mci->num_sco--;	 \
			break;			 \
		default:			 \
			break;			 \
		}				 \
	} while (0)

#define NUM_PROF(_mci)	(_mci->num_other_acl + _mci->num_a2dp + \
			 _mci->num_hid + _mci->num_pan + _mci->num_sco)

struct ath_mci_profile_info {
	u8 type;
	u8 conn_handle;
	bool start;
	bool master;
	bool edr;
	u8 voice_type;
	u16 T;		/* Voice: Tvoice, HID: Tsniff,        in slots */
	u8 W;		/* Voice: Wvoice, HID: Sniff timeout, in slots */
	u8 A;		/*		  HID: Sniff attempt, in slots */
	struct list_head list;
};

struct ath_mci_profile_status {
	bool is_critical;
	bool is_link;
	u8 conn_handle;
};

struct ath_mci_profile {
	struct list_head info;
	DECLARE_BITMAP(status, ATH_MCI_MAX_PROFILE);
	u16 aggr_limit;
	u8 num_mgmt;
	u8 num_sco;
	u8 num_a2dp;
	u8 num_hid;
	u8 num_pan;
	u8 num_other_acl;
	u8 num_bdr;
	u8 voice_priority;
};

struct ath_mci_buf {
	void *bf_addr;		/* virtual addr of desc */
	dma_addr_t bf_paddr;    /* physical addr of buffer */
	u32 bf_len;		/* len of data */
};

struct ath_mci_coex {
	struct ath_mci_buf sched_buf;
	struct ath_mci_buf gpm_buf;
};

void ath_mci_flush_profile(struct ath_mci_profile *mci);
int ath_mci_setup(struct ath_softc *sc);
void ath_mci_cleanup(struct ath_softc *sc);
void ath_mci_intr(struct ath_softc *sc);

#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
void ath_mci_enable(struct ath_softc *sc);
void ath9k_mci_update_wlan_channels(struct ath_softc *sc, bool allow_all);
#else
static inline void ath_mci_enable(struct ath_softc *sc)
{
}
static inline void ath9k_mci_update_wlan_channels(struct ath_softc *sc,
						  bool allow_all)
{
}
#endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */

#endif /* MCI_H*/
Commit	Line	Data
7dc181c2 RM	1	/*
	2	* Copyright (c) 2010-2011 Atheros Communications Inc.
	3	*
	4	* Permission to use, copy, modify, and/or distribute this software for any
	5	* purpose with or without fee is hereby granted, provided that the above
	6	* copyright notice and this permission notice appear in all copies.
	7	*
	8	* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
	9	* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
	10	* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
	11	* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
	12	* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
	13	* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
	14	* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
	15	*/
	16
	17	#ifndef MCI_H
	18	#define MCI_H
	19
f4701b5a SM	20	#include "ar9003_mci.h"
f4701b5a SM	21
f2f21856 MSS	22	#define ATH_MCI_SCHED_BUF_SIZE (16 * 16) /* 16 entries, 4 dword each */
	23	#define ATH_MCI_GPM_MAX_ENTRY 16
	24	#define ATH_MCI_GPM_BUF_SIZE (ATH_MCI_GPM_MAX_ENTRY * 16)
7dc181c2 RM	25	#define ATH_MCI_DEF_BT_PERIOD 40
	26	#define ATH_MCI_BDR_DUTY_CYCLE 20
	27	#define ATH_MCI_MAX_DUTY_CYCLE 90
	28
	29	#define ATH_MCI_DEF_AGGR_LIMIT 6 /* in 0.24 ms */
	30	#define ATH_MCI_MAX_ACL_PROFILE 7
	31	#define ATH_MCI_MAX_SCO_PROFILE 1
	32	#define ATH_MCI_MAX_PROFILE (ATH_MCI_MAX_ACL_PROFILE +\
	33	ATH_MCI_MAX_SCO_PROFILE)
	34
db60428b RM	35	#define ATH_MCI_INQUIRY_PRIO 62
db60428b RM	36	#define ATH_MCI_HI_PRIO 60
50072ebc RM	37	#define ATH_MCI_NUM_BT_CHANNELS 79
	38
	39	#define MCI_GPM_SET_CHANNEL_BIT(_p_gpm, _bt_chan) \
	40	do { \
	41	if (_bt_chan < ATH_MCI_NUM_BT_CHANNELS) { \
	42	(((u8 )(_p_gpm)) + MCI_GPM_COEX_B_CHANNEL_MAP + \
	43	(_bt_chan / 8)) \|= (1 << (_bt_chan & 7)); \
	44	} \
	45	} while (0)
	46
	47	#define MCI_GPM_CLR_CHANNEL_BIT(_p_gpm, _bt_chan) \
	48	do { \
	49	if (_bt_chan < ATH_MCI_NUM_BT_CHANNELS) { \
	50	(((u8 )(_p_gpm)) + MCI_GPM_COEX_B_CHANNEL_MAP + \
	51	(_bt_chan / 8)) &= ~(1 << (_bt_chan & 7));\
	52	} \
	53	} while (0)
	54
7dc181c2 RM	55	#define INC_PROF(_mci, _info) do { \
	56	switch (_info->type) { \
	57	case MCI_GPM_COEX_PROFILE_RFCOMM:\
	58	_mci->num_other_acl++; \
	59	break; \
	60	case MCI_GPM_COEX_PROFILE_A2DP: \
	61	_mci->num_a2dp++; \
	62	if (!_info->edr) \
	63	_mci->num_bdr++; \
	64	break; \
	65	case MCI_GPM_COEX_PROFILE_HID: \
	66	_mci->num_hid++; \
	67	break; \
	68	case MCI_GPM_COEX_PROFILE_BNEP: \
	69	_mci->num_pan++; \
	70	break; \
	71	case MCI_GPM_COEX_PROFILE_VOICE: \
	72	_mci->num_sco++; \
	73	break; \
	74	default: \
	75	break; \
	76	} \
	77	} while (0)
	78
	79	#define DEC_PROF(_mci, _info) do { \
	80	switch (_info->type) { \
	81	case MCI_GPM_COEX_PROFILE_RFCOMM:\
	82	_mci->num_other_acl--; \
	83	break; \
	84	case MCI_GPM_COEX_PROFILE_A2DP: \
	85	_mci->num_a2dp--; \
	86	if (!_info->edr) \
	87	_mci->num_bdr--; \
	88	break; \
	89	case MCI_GPM_COEX_PROFILE_HID: \
	90	_mci->num_hid--; \
	91	break; \
	92	case MCI_GPM_COEX_PROFILE_BNEP: \
	93	_mci->num_pan--; \
	94	break; \
	95	case MCI_GPM_COEX_PROFILE_VOICE: \
	96	_mci->num_sco--; \
	97	break; \
	98	default: \
	99	break; \
	100	} \
	101	} while (0)
	102
	103	#define NUM_PROF(_mci) (_mci->num_other_acl + _mci->num_a2dp + \
	104	_mci->num_hid + _mci->num_pan + _mci->num_sco)
	105
	106	struct ath_mci_profile_info {
	107	u8 type;
	108	u8 conn_handle;
	109	bool start;
	110	bool master;
	111	bool edr;
	112	u8 voice_type;
	113	u16 T; /* Voice: Tvoice, HID: Tsniff, in slots */
	114	u8 W; /* Voice: Wvoice, HID: Sniff timeout, in slots */
	115	u8 A; /* HID: Sniff attempt, in slots */
	116	struct list_head list;
	117	};
	118
119	struct ath_mci_profile_status {
120	bool is_critical;
121	bool is_link;
122	u8 conn_handle;
123	};
124
125	struct ath_mci_profile {
126	struct list_head info;
127	DECLARE_BITMAP(status, ATH_MCI_MAX_PROFILE);
128	u16 aggr_limit;
129	u8 num_mgmt;
130	u8 num_sco;
131	u8 num_a2dp;
132	u8 num_hid;
133	u8 num_pan;
134	u8 num_other_acl;
135	u8 num_bdr;
db60428b	136	u8 voice_priority;
7dc181c2 RM	137	};
7dc181c2 RM	138
f2f21856 MSS	139	struct ath_mci_buf {
	140	void bf_addr; / virtual addr of desc */
	141	dma_addr_t bf_paddr; /* physical addr of buffer */
	142	u32 bf_len; /* len of data */
	143	};
	144
	145	struct ath_mci_coex {
f2f21856 MSS	146	struct ath_mci_buf sched_buf;
f2f21856 MSS	147	struct ath_mci_buf gpm_buf;
f2f21856 MSS	148	};
f2f21856 MSS	149
7dc181c2	150	void ath_mci_flush_profile(struct ath_mci_profile *mci);
9e25365f MSS	151	int ath_mci_setup(struct ath_softc *sc);
9e25365f MSS	152	void ath_mci_cleanup(struct ath_softc *sc);
19686ddf	153	void ath_mci_intr(struct ath_softc *sc);
e270e776 SM	154
	155	#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
	156	void ath_mci_enable(struct ath_softc *sc);
50072ebc	157	void ath9k_mci_update_wlan_channels(struct ath_softc *sc, bool allow_all);
e270e776 SM	158	#else
	159	static inline void ath_mci_enable(struct ath_softc *sc)
	160	{
	161	}
50072ebc RM	162	static inline void ath9k_mci_update_wlan_channels(struct ath_softc *sc,
	163	bool allow_all)
	164	{
	165	}
e270e776 SM	166	#endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
	167
	168	#endif /* MCI_H*/