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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__ */
141