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
 20#include "ar9003_mci.h"
 21
 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)
 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
 35#define INC_PROF(_mci, _info) do {		 \
 36		switch (_info->type) {		 \
 37		case MCI_GPM_COEX_PROFILE_RFCOMM:\
 38			_mci->num_other_acl++;	 \
 39			break;			 \
 40		case MCI_GPM_COEX_PROFILE_A2DP:	 \
 41			_mci->num_a2dp++;	 \
 42			if (!_info->edr)	 \
 43				_mci->num_bdr++; \
 44			break;			 \
 45		case MCI_GPM_COEX_PROFILE_HID:	 \
 46			_mci->num_hid++;	 \
 47			break;			 \
 48		case MCI_GPM_COEX_PROFILE_BNEP:	 \
 49			_mci->num_pan++;	 \
 50			break;			 \
 51		case MCI_GPM_COEX_PROFILE_VOICE: \
 52			_mci->num_sco++;	 \
 53			break;			 \
 54		default:			 \
 55			break;			 \
 56		}				 \
 57	} while (0)
 58
 59#define DEC_PROF(_mci, _info) do {		 \
 60		switch (_info->type) {		 \
 61		case MCI_GPM_COEX_PROFILE_RFCOMM:\
 62			_mci->num_other_acl--;	 \
 63			break;			 \
 64		case MCI_GPM_COEX_PROFILE_A2DP:	 \
 65			_mci->num_a2dp--;	 \
 66			if (!_info->edr)	 \
 67				_mci->num_bdr--; \
 68			break;			 \
 69		case MCI_GPM_COEX_PROFILE_HID:	 \
 70			_mci->num_hid--;	 \
 71			break;			 \
 72		case MCI_GPM_COEX_PROFILE_BNEP:	 \
 73			_mci->num_pan--;	 \
 74			break;			 \
 75		case MCI_GPM_COEX_PROFILE_VOICE: \
 76			_mci->num_sco--;	 \
 77			break;			 \
 78		default:			 \
 79			break;			 \
 80		}				 \
 81	} while (0)
 82
 83#define NUM_PROF(_mci)	(_mci->num_other_acl + _mci->num_a2dp + \
 84			 _mci->num_hid + _mci->num_pan + _mci->num_sco)
 85
 86struct ath_mci_profile_info {
 87	u8 type;
 88	u8 conn_handle;
 89	bool start;
 90	bool master;
 91	bool edr;
 92	u8 voice_type;
 93	u16 T;		/* Voice: Tvoice, HID: Tsniff,        in slots */
 94	u8 W;		/* Voice: Wvoice, HID: Sniff timeout, in slots */
 95	u8 A;		/*		  HID: Sniff attempt, in slots */
 96	struct list_head list;
 97};
 98
 99struct ath_mci_profile_status {
100	bool is_critical;
101	bool is_link;
102	u8 conn_handle;
103};
104
105struct ath_mci_profile {
106	struct list_head info;
107	DECLARE_BITMAP(status, ATH_MCI_MAX_PROFILE);
108	u16 aggr_limit;
109	u8 num_mgmt;
110	u8 num_sco;
111	u8 num_a2dp;
112	u8 num_hid;
113	u8 num_pan;
114	u8 num_other_acl;
115	u8 num_bdr;
116};
117
118struct ath_mci_buf {
119	void *bf_addr;		/* virtual addr of desc */
120	dma_addr_t bf_paddr;    /* physical addr of buffer */
121	u32 bf_len;		/* len of data */
122};
123
124struct ath_mci_coex {
125	struct ath_mci_buf sched_buf;
126	struct ath_mci_buf gpm_buf;
127};
128
129void ath_mci_flush_profile(struct ath_mci_profile *mci);
130int ath_mci_setup(struct ath_softc *sc);
131void ath_mci_cleanup(struct ath_softc *sc);
132void ath_mci_intr(struct ath_softc *sc);
133#endif