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 struct wl18xx_fw_packet_counters { 113 /* Cumulative counter of released packets per AC */ 114 u8 tx_released_pkts[NUM_TX_QUEUES]; 115 116 /* Cumulative counter of freed packets per HLID */ 117 u8 tx_lnk_free_pkts[WL12XX_MAX_LINKS]; 118 119 /* Cumulative counter of released Voice memory blocks */ 120 u8 tx_voice_released_blks; 121 122 /* Tx rate of the last transmitted packet */ 123 u8 tx_last_rate; 124 125 u8 padding[2]; 126 } __packed; 127 128 /* FW status registers */ 129 struct wl18xx_fw_status { 130 __le32 intr; 131 u8 fw_rx_counter; 132 u8 drv_rx_counter; 133 u8 reserved; 134 u8 tx_results_counter; 135 __le32 rx_pkt_descs[WL18XX_NUM_RX_DESCRIPTORS]; 136 137 __le32 fw_localtime; 138 139 /* 140 * A bitmap (where each bit represents a single HLID) 141 * to indicate if the station is in PS mode. 142 */ 143 __le32 link_ps_bitmap; 144 145 /* 146 * A bitmap (where each bit represents a single HLID) to indicate 147 * if the station is in Fast mode 148 */ 149 __le32 link_fast_bitmap; 150 151 /* Cumulative counter of total released mem blocks since FW-reset */ 152 __le32 total_released_blks; 153 154 /* Size (in Memory Blocks) of TX pool */ 155 __le32 tx_total; 156 157 struct wl18xx_fw_packet_counters counters; 158 159 __le32 log_start_addr; 160 161 /* Private status to be used by the lower drivers */ 162 struct wl18xx_fw_status_priv priv; 163 } __packed; 164 165 #define WL18XX_PHY_VERSION_MAX_LEN 20 166 167 struct wl18xx_static_data_priv { 168 char phy_version[WL18XX_PHY_VERSION_MAX_LEN]; 169 }; 170 171 struct wl18xx_clk_cfg { 172 u32 n; 173 u32 m; 174 u32 p; 175 u32 q; 176 bool swallow; 177 }; 178 179 enum { 180 CLOCK_CONFIG_16_2_M = 1, 181 CLOCK_CONFIG_16_368_M, 182 CLOCK_CONFIG_16_8_M, 183 CLOCK_CONFIG_19_2_M, 184 CLOCK_CONFIG_26_M, 185 CLOCK_CONFIG_32_736_M, 186 CLOCK_CONFIG_33_6_M, 187 CLOCK_CONFIG_38_468_M, 188 CLOCK_CONFIG_52_M, 189 190 NUM_CLOCK_CONFIGS, 191 }; 192 193 #endif /* __WL18XX_PRIV_H__ */ 194