drivers/net/wireless/ti/wl18xx/wl18xx.h

   1 /*
   2  * This file is part of wl18xx
   3  *
   4  * Copyright (C) 2011 Texas Instruments Inc.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * version 2 as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  18  * 02110-1301 USA
  19  *
  20  */
  21
  22 #ifndef __WL18XX_PRIV_H__
  23 #define __WL18XX_PRIV_H__
  24
  25 #include "conf.h"
  26
  27 /* minimum FW required for driver */
  28 #define WL18XX_CHIP_VER         8
  29 #define WL18XX_IFTYPE_VER       5
  30 #define WL18XX_MAJOR_VER        WLCORE_FW_VER_IGNORE
  31 #define WL18XX_SUBTYPE_VER      WLCORE_FW_VER_IGNORE
  32 #define WL18XX_MINOR_VER        39
  33
  34 #define WL18XX_CMD_MAX_SIZE          740
  35
  36 #define WL18XX_AGGR_BUFFER_SIZE         (13 * PAGE_SIZE)
  37
  38 #define WL18XX_NUM_TX_DESCRIPTORS 32
  39 #define WL18XX_NUM_RX_DESCRIPTORS 32
  40
  41 #define WL18XX_NUM_MAC_ADDRESSES 3
  42
  43 #define WL18XX_RX_BA_MAX_SESSIONS 5
  44
  45 struct wl18xx_priv {
  46         /* buffer for sending commands to FW */
  47         u8 cmd_buf[WL18XX_CMD_MAX_SIZE];
  48
  49         struct wl18xx_priv_conf conf;
  50
  51         /* Index of last released Tx desc in FW */
  52         u8 last_fw_rls_idx;
  53
  54         /* number of keys requiring extra spare mem-blocks */
  55         int extra_spare_key_count;
  56 };
  57
  58 #define WL18XX_FW_MAX_TX_STATUS_DESC 33
  59
  60 struct wl18xx_fw_status_priv {
  61         /*
  62          * Index in released_tx_desc for first byte that holds
  63          * released tx host desc
  64          */
  65         u8 fw_release_idx;
  66
  67         /*
  68          * Array of host Tx descriptors, where fw_release_idx
  69          * indicated the first released idx.
  70          */
  71         u8 released_tx_desc[WL18XX_FW_MAX_TX_STATUS_DESC];
  72
  73         /* A bitmap representing the currently suspended links. The suspend
  74          * is short lived, for multi-channel Tx requirements.
  75          */
  76         __le32 link_suspend_bitmap;
  77
  78         /* packet threshold for an "almost empty" AC,
  79          * for Tx schedulng purposes
  80          */
  81         u8 tx_ac_threshold;
  82
  83         /* number of packets to queue up for a link in PS */
  84         u8 tx_ps_threshold;
  85
  86         /* number of packet to queue up for a suspended link */
  87         u8 tx_suspend_threshold;
  88
  89         /* Should have less than this number of packets in queue of a slow
  90          * link to qualify as high priority link
  91          */
  92         u8 tx_slow_link_prio_threshold;
  93
  94         /* Should have less than this number of packets in queue of a fast
  95          * link to qualify as high priority link
  96          */
  97         u8 tx_fast_link_prio_threshold;
  98
  99         /* Should have less than this number of packets in queue of a slow
 100          * link before we stop queuing up packets for it.
 101          */
 102         u8 tx_slow_stop_threshold;
 103
 104         /* Should have less than this number of packets in queue of a fast
 105          * link before we stop queuing up packets for it.
 106          */
 107         u8 tx_fast_stop_threshold;
 108
 109         u8 padding[3];
 110 };
 111
 112 #define WL18XX_PHY_VERSION_MAX_LEN 20
 113
 114 struct wl18xx_static_data_priv {
 115         char phy_version[WL18XX_PHY_VERSION_MAX_LEN];
 116 };
 117
 118 struct wl18xx_clk_cfg {
 119         u32 n;
 120         u32 m;
 121         u32 p;
 122         u32 q;
 123         bool swallow;
 124 };
 125
 126 enum {
 127         CLOCK_CONFIG_16_2_M     = 1,
 128         CLOCK_CONFIG_16_368_M,
 129         CLOCK_CONFIG_16_8_M,
 130         CLOCK_CONFIG_19_2_M,
 131         CLOCK_CONFIG_26_M,
 132         CLOCK_CONFIG_32_736_M,
 133         CLOCK_CONFIG_33_6_M,
 134         CLOCK_CONFIG_38_468_M,
 135         CLOCK_CONFIG_52_M,
 136
 137         NUM_CLOCK_CONFIGS,
 138 };
 139
 140 #endif /* __WL18XX_PRIV_H__ */