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/*
* This file is part of wl18xx
*
* Copyright (C) 2011 Texas Instruments Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
*/
#ifndef __WL18XX_PRIV_H__
#define __WL18XX_PRIV_H__
#include "conf.h"
/* minimum FW required for driver */
#define WL18XX_CHIP_VER 8
#define WL18XX_IFTYPE_VER 9
#define WL18XX_MAJOR_VER WLCORE_FW_VER_IGNORE
#define WL18XX_SUBTYPE_VER WLCORE_FW_VER_IGNORE
#define WL18XX_MINOR_VER 11
#define WL18XX_CMD_MAX_SIZE 740
#define WL18XX_AGGR_BUFFER_SIZE (13 * PAGE_SIZE)
#define WL18XX_NUM_TX_DESCRIPTORS 32
#define WL18XX_NUM_RX_DESCRIPTORS 32
#define WL18XX_NUM_MAC_ADDRESSES 2
#define WL18XX_RX_BA_MAX_SESSIONS 13
#define WL18XX_MAX_AP_STATIONS 10
#define WL18XX_MAX_LINKS 16
struct wl18xx_priv {
/* buffer for sending commands to FW */
u8 cmd_buf[WL18XX_CMD_MAX_SIZE];
struct wl18xx_priv_conf conf;
/* Index of last released Tx desc in FW */
u8 last_fw_rls_idx;
/* number of keys requiring extra spare mem-blocks */
int extra_spare_key_count;
};
#define WL18XX_FW_MAX_TX_STATUS_DESC 33
struct wl18xx_fw_status_priv {
/*
* Index in released_tx_desc for first byte that holds
* released tx host desc
*/
u8 fw_release_idx;
/*
* Array of host Tx descriptors, where fw_release_idx
* indicated the first released idx.
*/
u8 released_tx_desc[WL18XX_FW_MAX_TX_STATUS_DESC];
/* A bitmap representing the currently suspended links. The suspend
* is short lived, for multi-channel Tx requirements.
*/
__le32 link_suspend_bitmap;
/* packet threshold for an "almost empty" AC,
* for Tx schedulng purposes
*/
u8 tx_ac_threshold;
/* number of packets to queue up for a link in PS */
u8 tx_ps_threshold;
/* number of packet to queue up for a suspended link */
u8 tx_suspend_threshold;
/* Should have less than this number of packets in queue of a slow
* link to qualify as high priority link
*/
u8 tx_slow_link_prio_threshold;
/* Should have less than this number of packets in queue of a fast
* link to qualify as high priority link
*/
u8 tx_fast_link_prio_threshold;
/* Should have less than this number of packets in queue of a slow
* link before we stop queuing up packets for it.
*/
u8 tx_slow_stop_threshold;
/* Should have less than this number of packets in queue of a fast
* link before we stop queuing up packets for it.
*/
u8 tx_fast_stop_threshold;
u8 padding[3];
};
struct wl18xx_fw_packet_counters {
/* Cumulative counter of released packets per AC */
u8 tx_released_pkts[NUM_TX_QUEUES];
/* Cumulative counter of freed packets per HLID */
u8 tx_lnk_free_pkts[WL18XX_MAX_LINKS];
/* Cumulative counter of released Voice memory blocks */
u8 tx_voice_released_blks;
/* Tx rate of the last transmitted packet */
u8 tx_last_rate;
u8 padding[2];
} __packed;
/* FW status registers */
struct wl18xx_fw_status {
__le32 intr;
u8 fw_rx_counter;
u8 drv_rx_counter;
u8 reserved;
u8 tx_results_counter;
__le32 rx_pkt_descs[WL18XX_NUM_RX_DESCRIPTORS];
__le32 fw_localtime;
/*
* A bitmap (where each bit represents a single HLID)
* to indicate if the station is in PS mode.
*/
__le32 link_ps_bitmap;
/*
* A bitmap (where each bit represents a single HLID) to indicate
* if the station is in Fast mode
*/
__le32 link_fast_bitmap;
/* Cumulative counter of total released mem blocks since FW-reset */
__le32 total_released_blks;
/* Size (in Memory Blocks) of TX pool */
__le32 tx_total;
struct wl18xx_fw_packet_counters counters;
__le32 log_start_addr;
/* Private status to be used by the lower drivers */
struct wl18xx_fw_status_priv priv;
} __packed;
#define WL18XX_PHY_VERSION_MAX_LEN 20
struct wl18xx_static_data_priv {
char phy_version[WL18XX_PHY_VERSION_MAX_LEN];
};
struct wl18xx_clk_cfg {
u32 n;
u32 m;
u32 p;
u32 q;
bool swallow;
};
enum {
CLOCK_CONFIG_16_2_M = 1,
CLOCK_CONFIG_16_368_M,
CLOCK_CONFIG_16_8_M,
CLOCK_CONFIG_19_2_M,
CLOCK_CONFIG_26_M,
CLOCK_CONFIG_32_736_M,
CLOCK_CONFIG_33_6_M,
CLOCK_CONFIG_38_468_M,
CLOCK_CONFIG_52_M,
NUM_CLOCK_CONFIGS,
};
#endif /* __WL18XX_PRIV_H__ */
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