LXR linux/drivers/net/wireless/ath/ath9k/mci.h

   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 ATH_MCI_INQUIRY_PRIO         62
  36#define ATH_MCI_HI_PRIO              60
  37#define ATH_MCI_NUM_BT_CHANNELS      79
  38#define ATH_MCI_CONCUR_TX_SWITCH      5
  39
  40#define MCI_GPM_SET_CHANNEL_BIT(_p_gpm, _bt_chan)                         \
  41        do {                                                              \
  42                if (_bt_chan < ATH_MCI_NUM_BT_CHANNELS) {                 \
  43                        *(((u8 *)(_p_gpm)) + MCI_GPM_COEX_B_CHANNEL_MAP + \
  44                                (_bt_chan / 8)) |= (1 << (_bt_chan & 7)); \
  45                }                                                         \
  46        } while (0)
  47
  48#define MCI_GPM_CLR_CHANNEL_BIT(_p_gpm, _bt_chan)                         \
  49        do {                                                              \
  50                if (_bt_chan < ATH_MCI_NUM_BT_CHANNELS) {                 \
  51                        *(((u8 *)(_p_gpm)) + MCI_GPM_COEX_B_CHANNEL_MAP + \
  52                                (_bt_chan / 8)) &= ~(1 << (_bt_chan & 7));\
  53                }                                                         \
  54        } while (0)
  55
  56#define INC_PROF(_mci, _info) do {               \
  57                switch (_info->type) {           \
  58                case MCI_GPM_COEX_PROFILE_RFCOMM:\
  59                        _mci->num_other_acl++;   \
  60                        break;                   \
  61                case MCI_GPM_COEX_PROFILE_A2DP:  \
  62                        _mci->num_a2dp++;        \
  63                        if (!_info->edr)         \
  64                                _mci->num_bdr++; \
  65                        break;                   \
  66                case MCI_GPM_COEX_PROFILE_HID:   \
  67                        _mci->num_hid++;         \
  68                        break;                   \
  69                case MCI_GPM_COEX_PROFILE_BNEP:  \
  70                        _mci->num_pan++;         \
  71                        break;                   \
  72                case MCI_GPM_COEX_PROFILE_VOICE: \
  73                case MCI_GPM_COEX_PROFILE_A2DPVO:\
  74                        _mci->num_sco++;         \
  75                        break;                   \
  76                default:                         \
  77                        break;                   \
  78                }                                \
  79        } while (0)
  80
  81#define DEC_PROF(_mci, _info) do {               \
  82                switch (_info->type) {           \
  83                case MCI_GPM_COEX_PROFILE_RFCOMM:\
  84                        _mci->num_other_acl--;   \
  85                        break;                   \
  86                case MCI_GPM_COEX_PROFILE_A2DP:  \
  87                        _mci->num_a2dp--;        \
  88                        if (!_info->edr)         \
  89                                _mci->num_bdr--; \
  90                        break;                   \
  91                case MCI_GPM_COEX_PROFILE_HID:   \
  92                        _mci->num_hid--;         \
  93                        break;                   \
  94                case MCI_GPM_COEX_PROFILE_BNEP:  \
  95                        _mci->num_pan--;         \
  96                        break;                   \
  97                case MCI_GPM_COEX_PROFILE_VOICE: \
  98                case MCI_GPM_COEX_PROFILE_A2DPVO:\
  99                        _mci->num_sco--;         \
 100                        break;                   \
 101                default:                         \
 102                        break;                   \
 103                }                                \
 104        } while (0)
 105
 106#define NUM_PROF(_mci)  (_mci->num_other_acl + _mci->num_a2dp + \
 107                         _mci->num_hid + _mci->num_pan + _mci->num_sco)
 108
 109struct ath_mci_profile_info {
 110        u8 type;
 111        u8 conn_handle;
 112        bool start;
 113        bool master;
 114        bool edr;
 115        u8 voice_type;
 116        u16 T;          /* Voice: Tvoice, HID: Tsniff,        in slots */
 117        u8 W;           /* Voice: Wvoice, HID: Sniff timeout, in slots */
 118        u8 A;           /*                HID: Sniff attempt, in slots */
 119        struct list_head list;
 120};
 121
 122struct ath_mci_profile_status {
 123        bool is_critical;
 124        bool is_link;
 125        u8 conn_handle;
 126};
 127
 128struct ath_mci_profile {
 129        struct list_head info;
 130        DECLARE_BITMAP(status, ATH_MCI_MAX_PROFILE);
 131        u16 aggr_limit;
 132        u8 num_mgmt;
 133        u8 num_sco;
 134        u8 num_a2dp;
 135        u8 num_hid;
 136        u8 num_pan;
 137        u8 num_other_acl;
 138        u8 num_bdr;
 139        u8 voice_priority;
 140};
 141
 142struct ath_mci_buf {
 143        void *bf_addr;          /* virtual addr of desc */
 144        dma_addr_t bf_paddr;    /* physical addr of buffer */
 145        u32 bf_len;             /* len of data */
 146};
 147
 148struct ath_mci_coex {
 149        struct ath_mci_buf sched_buf;
 150        struct ath_mci_buf gpm_buf;
 151};
 152
 153void ath_mci_flush_profile(struct ath_mci_profile *mci);
 154int ath_mci_setup(struct ath_softc *sc);
 155void ath_mci_cleanup(struct ath_softc *sc);
 156void ath_mci_intr(struct ath_softc *sc);
 157void ath9k_mci_update_rssi(struct ath_softc *sc);
 158
 159#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
 160void ath_mci_enable(struct ath_softc *sc);
 161void ath9k_mci_update_wlan_channels(struct ath_softc *sc, bool allow_all);
 162void ath9k_mci_set_txpower(struct ath_softc *sc, bool setchannel,
 163                           bool concur_tx);
 164#else
 165static inline void ath_mci_enable(struct ath_softc *sc)
 166{
 167}
 168static inline void ath9k_mci_update_wlan_channels(struct ath_softc *sc,
 169                                                  bool allow_all)
 170{
 171}
 172static inline void ath9k_mci_set_txpower(struct ath_softc *sc, bool setchannel,
 173                                         bool concur_tx)
 174{
 175}
 176#endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
 177
 178#endif /* MCI_H*/
 179