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1 #ifndef P54_H
2 #define P54_H
3 
4 /*
5  * Shared defines for all mac80211 Prism54 code
6  *
7  * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
8  *
9  * Based on the islsm (softmac prism54) driver, which is:
10  * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
11  *
12  * This program is free software; you can redistribute it and/or modify
13  * it under the terms of the GNU General Public License version 2 as
14  * published by the Free Software Foundation.
15  */
16 
17 enum p54_control_frame_types {
18 	P54_CONTROL_TYPE_SETUP = 0,
19 	P54_CONTROL_TYPE_SCAN,
20 	P54_CONTROL_TYPE_TRAP,
21 	P54_CONTROL_TYPE_DCFINIT,
22 	P54_CONTROL_TYPE_RX_KEYCACHE,
23 	P54_CONTROL_TYPE_TIM,
24 	P54_CONTROL_TYPE_PSM,
25 	P54_CONTROL_TYPE_TXCANCEL,
26 	P54_CONTROL_TYPE_TXDONE,
27 	P54_CONTROL_TYPE_BURST,
28 	P54_CONTROL_TYPE_STAT_READBACK,
29 	P54_CONTROL_TYPE_BBP,
30 	P54_CONTROL_TYPE_EEPROM_READBACK,
31 	P54_CONTROL_TYPE_LED,
32 	P54_CONTROL_TYPE_GPIO,
33 	P54_CONTROL_TYPE_TIMER,
34 	P54_CONTROL_TYPE_MODULATION,
35 	P54_CONTROL_TYPE_SYNTH_CONFIG,
36 	P54_CONTROL_TYPE_DETECTOR_VALUE,
37 	P54_CONTROL_TYPE_XBOW_SYNTH_CFG,
38 	P54_CONTROL_TYPE_CCE_QUIET,
39 	P54_CONTROL_TYPE_PSM_STA_UNLOCK,
40 	P54_CONTROL_TYPE_PCS,
41 	P54_CONTROL_TYPE_BT_BALANCER = 28,
42 	P54_CONTROL_TYPE_GROUP_ADDRESS_TABLE = 30,
43 	P54_CONTROL_TYPE_ARPTABLE = 31,
44 	P54_CONTROL_TYPE_BT_OPTIONS = 35
45 };
46 
47 #define P54_HDR_FLAG_CONTROL		BIT(15)
48 #define P54_HDR_FLAG_CONTROL_OPSET	(BIT(15) + BIT(0))
49 
50 struct p54_hdr {
51 	__le16 flags;
52 	__le16 len;
53 	__le32 req_id;
54 	__le16 type;	/* enum p54_control_frame_types */
55 	u8 rts_tries;
56 	u8 tries;
57 	u8 data[0];
58 } __attribute__ ((packed));
59 
60 #define FREE_AFTER_TX(skb)						\
61 	((((struct p54_hdr *) ((struct sk_buff *) skb)->data)->		\
62 	flags) == cpu_to_le16(P54_HDR_FLAG_CONTROL_OPSET))
63 
64 struct p54_edcf_queue_param {
65 	__le16 aifs;
66 	__le16 cwmin;
67 	__le16 cwmax;
68 	__le16 txop;
69 } __attribute__ ((packed));
70 
71 struct p54_rssi_linear_approximation {
72 	s16 mul;
73 	s16 add;
74 	s16 longbow_unkn;
75 	s16 longbow_unk2;
76 };
77 
78 #define EEPROM_READBACK_LEN 0x3fc
79 
80 #define ISL38XX_DEV_FIRMWARE_ADDR 0x20000
81 
82 #define FW_FMAC 0x464d4143
83 #define FW_LM86 0x4c4d3836
84 #define FW_LM87 0x4c4d3837
85 #define FW_LM20 0x4c4d3230
86 
87 struct p54_common {
88 	struct ieee80211_hw *hw;
89 	u32 rx_start;
90 	u32 rx_end;
91 	struct sk_buff_head tx_queue;
92 	void (*tx)(struct ieee80211_hw *dev, struct sk_buff *skb);
93 	int (*open)(struct ieee80211_hw *dev);
94 	void (*stop)(struct ieee80211_hw *dev);
95 	int mode;
96 	u16 rx_mtu;
97 	u8 headroom;
98 	u8 tailroom;
99 	struct mutex conf_mutex;
100 	u8 mac_addr[ETH_ALEN];
101 	u8 bssid[ETH_ALEN];
102 	struct pda_iq_autocal_entry *iq_autocal;
103 	unsigned int iq_autocal_len;
104 	struct pda_channel_output_limit *output_limit;
105 	unsigned int output_limit_len;
106 	struct pda_pa_curve_data *curve_data;
107 	struct p54_rssi_linear_approximation rssical_db[IEEE80211_NUM_BANDS];
108 	unsigned int filter_flags;
109 	bool use_short_slot;
110 	u16 rxhw;
111 	u8 version;
112 	unsigned int tx_hdr_len;
113 	unsigned int fw_var;
114 	unsigned int fw_interface;
115 	unsigned int output_power;
116 	u32 tsf_low32;
117 	u32 tsf_high32;
118 	u64 basic_rate_mask;
119 	u16 wakeup_timer;
120 	u16 aid;
121 	struct ieee80211_tx_queue_stats tx_stats[8];
122 	struct p54_edcf_queue_param qos_params[8];
123 	struct ieee80211_low_level_stats stats;
124 	struct delayed_work work;
125 	struct sk_buff *cached_beacon;
126 	int noise;
127 	void *eeprom;
128 	struct completion eeprom_comp;
129 	u8 privacy_caps;
130 	u8 rx_keycache_size;
131 };
132 
133 int p54_rx(struct ieee80211_hw *dev, struct sk_buff *skb);
134 void p54_free_skb(struct ieee80211_hw *dev, struct sk_buff *skb);
135 int p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw);
136 int p54_read_eeprom(struct ieee80211_hw *dev);
137 struct ieee80211_hw *p54_init_common(size_t priv_data_len);
138 void p54_free_common(struct ieee80211_hw *dev);
139 
140 #endif /* P54_H */
141