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       9
  30 #define WL18XX_MAJOR_VER        WLCORE_FW_VER_IGNORE
  31 #define WL18XX_SUBTYPE_VER      WLCORE_FW_VER_IGNORE
  32 #define WL18XX_MINOR_VER        11
  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 2
  42
  43 #define WL18XX_RX_BA_MAX_SESSIONS 13
  44
  45 #define WL18XX_MAX_AP_STATIONS 10
  46 #define WL18XX_MAX_LINKS 16
  47
  48 struct wl18xx_priv {
  49         /* buffer for sending commands to FW */
  50         u8 cmd_buf[WL18XX_CMD_MAX_SIZE];
  51
  52         struct wl18xx_priv_conf conf;
  53
  54         /* Index of last released Tx desc in FW */
  55         u8 last_fw_rls_idx;
  56
  57         /* number of keys requiring extra spare mem-blocks */
  58         int extra_spare_key_count;
  59 };
  60
  61 #define WL18XX_FW_MAX_TX_STATUS_DESC 33
  62
  63 struct wl18xx_fw_status_priv {
  64         /*
  65          * Index in released_tx_desc for first byte that holds
  66          * released tx host desc
  67          */
  68         u8 fw_release_idx;
  69
  70         /*
  71          * Array of host Tx descriptors, where fw_release_idx
  72          * indicated the first released idx.
  73          */
  74         u8 released_tx_desc[WL18XX_FW_MAX_TX_STATUS_DESC];
  75
  76         /* A bitmap representing the currently suspended links. The suspend
  77          * is short lived, for multi-channel Tx requirements.
  78          */
  79         __le32 link_suspend_bitmap;
  80
  81         /* packet threshold for an "almost empty" AC,
  82          * for Tx schedulng purposes
  83          */
  84         u8 tx_ac_threshold;
  85
  86         /* number of packets to queue up for a link in PS */
  87         u8 tx_ps_threshold;
  88
  89         /* number of packet to queue up for a suspended link */
  90         u8 tx_suspend_threshold;
  91
  92         /* Should have less than this number of packets in queue of a slow
  93          * link to qualify as high priority link
  94          */
  95         u8 tx_slow_link_prio_threshold;
  96
  97         /* Should have less than this number of packets in queue of a fast
  98          * link to qualify as high priority link
  99          */
 100         u8 tx_fast_link_prio_threshold;
 101
 102         /* Should have less than this number of packets in queue of a slow
 103          * link before we stop queuing up packets for it.
 104          */
 105         u8 tx_slow_stop_threshold;
 106
 107         /* Should have less than this number of packets in queue of a fast
 108          * link before we stop queuing up packets for it.
 109          */
 110         u8 tx_fast_stop_threshold;
 111
 112         u8 padding[3];
 113 };
 114
 115 struct wl18xx_fw_packet_counters {
 116         /* Cumulative counter of released packets per AC */
 117         u8 tx_released_pkts[NUM_TX_QUEUES];
 118
 119         /* Cumulative counter of freed packets per HLID */
 120         u8 tx_lnk_free_pkts[WL18XX_MAX_LINKS];
 121
 122         /* Cumulative counter of released Voice memory blocks */
 123         u8 tx_voice_released_blks;
 124
 125         /* Tx rate of the last transmitted packet */
 126         u8 tx_last_rate;
 127
 128         u8 padding[2];
 129 } __packed;
 130
 131 /* FW status registers */
 132 struct wl18xx_fw_status {
 133         __le32 intr;
 134         u8  fw_rx_counter;
 135         u8  drv_rx_counter;
 136         u8  reserved;
 137         u8  tx_results_counter;
 138         __le32 rx_pkt_descs[WL18XX_NUM_RX_DESCRIPTORS];
 139
 140         __le32 fw_localtime;
 141
 142         /*
 143          * A bitmap (where each bit represents a single HLID)
 144          * to indicate if the station is in PS mode.
 145          */
 146         __le32 link_ps_bitmap;
 147
 148         /*
 149          * A bitmap (where each bit represents a single HLID) to indicate
 150          * if the station is in Fast mode
 151          */
 152         __le32 link_fast_bitmap;
 153
 154         /* Cumulative counter of total released mem blocks since FW-reset */
 155         __le32 total_released_blks;
 156
 157         /* Size (in Memory Blocks) of TX pool */
 158         __le32 tx_total;
 159
 160         struct wl18xx_fw_packet_counters counters;
 161
 162         __le32 log_start_addr;
 163
 164         /* Private status to be used by the lower drivers */
 165         struct wl18xx_fw_status_priv priv;
 166 } __packed;
 167
 168 #define WL18XX_PHY_VERSION_MAX_LEN 20
 169
 170 struct wl18xx_static_data_priv {
 171         char phy_version[WL18XX_PHY_VERSION_MAX_LEN];
 172 };
 173
 174 struct wl18xx_clk_cfg {
 175         u32 n;
 176         u32 m;
 177         u32 p;
 178         u32 q;
 179         bool swallow;
 180 };
 181
 182 enum {
 183         CLOCK_CONFIG_16_2_M     = 1,
 184         CLOCK_CONFIG_16_368_M,
 185         CLOCK_CONFIG_16_8_M,
 186         CLOCK_CONFIG_19_2_M,
 187         CLOCK_CONFIG_26_M,
 188         CLOCK_CONFIG_32_736_M,
 189         CLOCK_CONFIG_33_6_M,
 190         CLOCK_CONFIG_38_468_M,
 191         CLOCK_CONFIG_52_M,
 192
 193         NUM_CLOCK_CONFIGS,
 194 };
 195
 196 #endif /* __WL18XX_PRIV_H__ */