summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/ti/wl18xx/wl18xx.h
blob: 71e9e382ce80881dfbb43ea333e6c2e35158929b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
/*
 * 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__ */