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 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
  86 struct 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
  99 struct ath_mci_profile_status {
 100         bool is_critical;
 101         bool is_link;
 102         u8 conn_handle;
 103 };
 104
 105 struct 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
 118 struct 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
 124 struct ath_mci_coex {
 125         struct ath_mci_buf sched_buf;
 126         struct ath_mci_buf gpm_buf;
 127 };
 128
 129 void ath_mci_flush_profile(struct ath_mci_profile *mci);
 130 int ath_mci_setup(struct ath_softc *sc);
 131 void ath_mci_cleanup(struct ath_softc *sc);
 132 void ath_mci_intr(struct ath_softc *sc);
 133
 134 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
 135 void ath_mci_enable(struct ath_softc *sc);
 136 #else
 137 static inline void ath_mci_enable(struct ath_softc *sc)
 138 {
 139 }
 140 #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
 141
 142 #endif /* MCI_H*/