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1 /*
2 * Shared defines for all mac80211 Prism54 code
3 *
4 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
5 *
6 * Based on the islsm (softmac prism54) driver, which is:
7 * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
13
14 #ifndef P54_H
15 #define P54_H
16
17 #ifdef CONFIG_P54_LEDS
18 #include <linux/leds.h>
19 #endif /* CONFIG_P54_LEDS */
20
21 #define ISL38XX_DEV_FIRMWARE_ADDR 0x20000
22
23 #define BR_CODE_MIN 0x80000000
24 #define BR_CODE_COMPONENT_ID 0x80000001
25 #define BR_CODE_COMPONENT_VERSION 0x80000002
26 #define BR_CODE_DEPENDENT_IF 0x80000003
27 #define BR_CODE_EXPOSED_IF 0x80000004
28 #define BR_CODE_DESCR 0x80000101
29 #define BR_CODE_MAX 0x8FFFFFFF
30 #define BR_CODE_END_OF_BRA 0xFF0000FF
31 #define LEGACY_BR_CODE_END_OF_BRA 0xFFFFFFFF
32
33 struct bootrec {
34 __le32 code;
35 __le32 len;
36 u32 data[10];
37 } __packed;
38
39 /* Interface role definitions */
40 #define BR_INTERFACE_ROLE_SERVER 0x0000
41 #define BR_INTERFACE_ROLE_CLIENT 0x8000
42
43 #define BR_DESC_PRIV_CAP_WEP BIT(0)
44 #define BR_DESC_PRIV_CAP_TKIP BIT(1)
45 #define BR_DESC_PRIV_CAP_MICHAEL BIT(2)
46 #define BR_DESC_PRIV_CAP_CCX_CP BIT(3)
47 #define BR_DESC_PRIV_CAP_CCX_MIC BIT(4)
48 #define BR_DESC_PRIV_CAP_AESCCMP BIT(5)
49
50 struct bootrec_desc {
51 __le16 modes;
52 __le16 flags;
53 __le32 rx_start;
54 __le32 rx_end;
55 u8 headroom;
56 u8 tailroom;
57 u8 tx_queues;
58 u8 tx_depth;
59 u8 privacy_caps;
60 u8 rx_keycache_size;
61 u8 time_size;
62 u8 padding;
63 u8 rates[16];
64 u8 padding2[4];
65 __le16 rx_mtu;
66 } __packed;
67
68 #define FW_FMAC 0x464d4143
69 #define FW_LM86 0x4c4d3836
70 #define FW_LM87 0x4c4d3837
71 #define FW_LM20 0x4c4d3230
72
73 struct bootrec_comp_id {
74 __le32 fw_variant;
75 } __packed;
76
77 struct bootrec_comp_ver {
78 char fw_version[24];
79 } __packed;
80
81 struct bootrec_end {
82 __le16 crc;
83 u8 padding[2];
84 u8 md5[16];
85 } __packed;
86
87 /* provide 16 bytes for the transport back-end */
88 #define P54_TX_INFO_DATA_SIZE 16
89
90 /* stored in ieee80211_tx_info's rate_driver_data */
91 struct p54_tx_info {
92 u32 start_addr;
93 u32 end_addr;
94 union {
95 void *data[P54_TX_INFO_DATA_SIZE / sizeof(void *)];
96 struct {
97 u32 extra_len;
98 };
99 };
100 };
101
102 #define P54_MAX_CTRL_FRAME_LEN 0x1000
103
104 #define P54_SET_QUEUE(queue, ai_fs, cw_min, cw_max, _txop) \
105 do { \
106 queue.aifs = cpu_to_le16(ai_fs); \
107 queue.cwmin = cpu_to_le16(cw_min); \
108 queue.cwmax = cpu_to_le16(cw_max); \
109 queue.txop = cpu_to_le16(_txop); \
110 } while (0)
111
112 struct p54_edcf_queue_param {
113 __le16 aifs;
114 __le16 cwmin;
115 __le16 cwmax;
116 __le16 txop;
117 } __packed;
118
119 struct p54_rssi_db_entry {
120 u16 freq;
121 s16 mul;
122 s16 add;
123 s16 longbow_unkn;
124 s16 longbow_unk2;
125 };
126
127 struct p54_cal_database {
128 size_t entries;
129 size_t entry_size;
130 size_t offset;
131 size_t len;
132 u8 data[0];
133 };
134
135 #define EEPROM_READBACK_LEN 0x3fc
136
137 enum fw_state {
138 FW_STATE_OFF,
139 FW_STATE_BOOTING,
140 FW_STATE_READY,
141 FW_STATE_RESET,
142 FW_STATE_RESETTING,
143 };
144
145 #ifdef CONFIG_P54_LEDS
146
147 #define P54_LED_MAX_NAME_LEN 31
148
149 struct p54_led_dev {
150 struct ieee80211_hw *hw_dev;
151 struct led_classdev led_dev;
152 char name[P54_LED_MAX_NAME_LEN + 1];
153
154 unsigned int toggled;
155 unsigned int index;
156 unsigned int registered;
157 };
158
159 #endif /* CONFIG_P54_LEDS */
160
161 struct p54_tx_queue_stats {
162 unsigned int len;
163 unsigned int limit;
164 unsigned int count;
165 };
166
167 struct p54_common {
168 struct ieee80211_hw *hw;
169 struct ieee80211_vif *vif;
170 void (*tx)(struct ieee80211_hw *dev, struct sk_buff *skb);
171 int (*open)(struct ieee80211_hw *dev);
172 void (*stop)(struct ieee80211_hw *dev);
173 struct sk_buff_head tx_pending;
174 struct sk_buff_head tx_queue;
175 struct mutex conf_mutex;
176 bool registered;
177
178 /* memory management (as seen by the firmware) */
179 u32 rx_start;
180 u32 rx_end;
181 u16 rx_mtu;
182 u8 headroom;
183 u8 tailroom;
184
185 /* firmware/hardware info */
186 unsigned int tx_hdr_len;
187 unsigned int fw_var;
188 unsigned int fw_interface;
189 u8 version;
190
191 /* (e)DCF / QOS state */
192 bool use_short_slot;
193 spinlock_t tx_stats_lock;
194 struct p54_tx_queue_stats tx_stats[8];
195 struct p54_edcf_queue_param qos_params[8];
196
197 /* Radio data */
198 u16 rxhw;
199 u8 rx_diversity_mask;
200 u8 tx_diversity_mask;
201 unsigned int output_power;
202 struct p54_rssi_db_entry *cur_rssi;
203 struct ieee80211_channel *curchan;
204 struct survey_info *survey;
205 unsigned int chan_num;
206 struct completion stat_comp;
207 bool update_stats;
208 struct {
209 unsigned int timestamp;
210 unsigned int cached_cca;
211 unsigned int cached_tx;
212 unsigned int cached_rssi;
213 u64 active;
214 u64 cca;
215 u64 tx;
216 u64 rssi;
217 } survey_raw;
218
219 int noise;
220 /* calibration, output power limit and rssi<->dBm conversation data */
221 struct pda_iq_autocal_entry *iq_autocal;
222 unsigned int iq_autocal_len;
223 struct p54_cal_database *curve_data;
224 struct p54_cal_database *output_limit;
225 struct p54_cal_database *rssi_db;
226 struct ieee80211_supported_band *band_table[IEEE80211_NUM_BANDS];
227
228 /* BBP/MAC state */
229 u8 mac_addr[ETH_ALEN];
230 u8 bssid[ETH_ALEN];
231 u8 mc_maclist[4][ETH_ALEN];
232 u16 wakeup_timer;
233 unsigned int filter_flags;
234 int mc_maclist_num;
235 int mode;
236 u32 tsf_low32, tsf_high32;
237 u32 basic_rate_mask;
238 u16 aid;
239 u8 coverage_class;
240 bool phy_idle;
241 bool phy_ps;
242 bool powersave_override;
243 __le32 beacon_req_id;
244 struct completion beacon_comp;
245
246 /* cryptographic engine information */
247 u8 privacy_caps;
248 u8 rx_keycache_size;
249 unsigned long *used_rxkeys;
250
251 /* LED management */
252 #ifdef CONFIG_P54_LEDS
253 struct p54_led_dev leds[4];
254 struct delayed_work led_work;
255 #endif /* CONFIG_P54_LEDS */
256 u16 softled_state; /* bit field of glowing LEDs */
257
258 /* statistics */
259 struct ieee80211_low_level_stats stats;
260 struct delayed_work work;
261
262 /* eeprom handling */
263 void *eeprom;
264 struct completion eeprom_comp;
265 struct mutex eeprom_mutex;
266 };
267
268 /* interfaces for the drivers */
269 int p54_rx(struct ieee80211_hw *dev, struct sk_buff *skb);
270 void p54_free_skb(struct ieee80211_hw *dev, struct sk_buff *skb);
271 int p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw);
272 int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len);
273 int p54_read_eeprom(struct ieee80211_hw *dev);
274
275 struct ieee80211_hw *p54_init_common(size_t priv_data_len);
276 int p54_register_common(struct ieee80211_hw *dev, struct device *pdev);
277 void p54_free_common(struct ieee80211_hw *dev);
278
279 void p54_unregister_common(struct ieee80211_hw *dev);
280
281 #endif /* P54_H */