Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  1 #ifndef PRISM54COMMON_H
  2 #define PRISM54COMMON_H
  3 
  4 /*
  5  * Common code specific definitions for mac80211 Prism54 drivers
  6  *
  7  * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
  8  * Copyright (c) 2007, Christian Lamparter <chunkeey@web.de>
  9  *
 10  * Based on the islsm (softmac prism54) driver, which is:
 11  * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
 12  *
 13  * This program is free software; you can redistribute it and/or modify
 14  * it under the terms of the GNU General Public License version 2 as
 15  * published by the Free Software Foundation.
 16  */
 17 
 18 struct bootrec {
 19         __le32 code;
 20         __le32 len;
 21         u32 data[0];
 22 } __attribute__((packed));
 23 
 24 struct bootrec_exp_if {
 25         __le16 role;
 26         __le16 if_id;
 27         __le16 variant;
 28         __le16 btm_compat;
 29         __le16 top_compat;
 30 } __attribute__((packed));
 31 
 32 #define BR_CODE_MIN                     0x80000000
 33 #define BR_CODE_COMPONENT_ID            0x80000001
 34 #define BR_CODE_COMPONENT_VERSION       0x80000002
 35 #define BR_CODE_DEPENDENT_IF            0x80000003
 36 #define BR_CODE_EXPOSED_IF              0x80000004
 37 #define BR_CODE_DESCR                   0x80000101
 38 #define BR_CODE_MAX                     0x8FFFFFFF
 39 #define BR_CODE_END_OF_BRA              0xFF0000FF
 40 #define LEGACY_BR_CODE_END_OF_BRA       0xFFFFFFFF
 41 
 42 #define FW_FMAC 0x464d4143
 43 #define FW_LM86 0x4c4d3836
 44 #define FW_LM87 0x4c4d3837
 45 #define FW_LM20 0x4c4d3230
 46 
 47 /* PDA defines are Copyright (C) 2005 Nokia Corporation (taken from islsm_pda.h) */
 48 
 49 struct pda_entry {
 50         __le16 len;     /* includes both code and data */
 51         __le16 code;
 52         u8 data[0];
 53 } __attribute__ ((packed));
 54 
 55 struct eeprom_pda_wrap {
 56         __le32 magic;
 57         __le16 pad;
 58         __le16 len;
 59         __le32 arm_opcode;
 60         u8 data[0];
 61 } __attribute__ ((packed));
 62 
 63 struct pda_iq_autocal_entry {
 64         __le16 freq;
 65         __le16 iq_param[4];
 66 } __attribute__ ((packed));
 67 
 68 struct pda_channel_output_limit {
 69         __le16 freq;
 70         u8 val_bpsk;
 71         u8 val_qpsk;
 72         u8 val_16qam;
 73         u8 val_64qam;
 74         u8 rate_set_mask;
 75         u8 rate_set_size;
 76 } __attribute__ ((packed));
 77 
 78 struct pda_pa_curve_data_sample_rev0 {
 79         u8 rf_power;
 80         u8 pa_detector;
 81         u8 pcv;
 82 } __attribute__ ((packed));
 83 
 84 struct pda_pa_curve_data_sample_rev1 {
 85         u8 rf_power;
 86         u8 pa_detector;
 87         u8 data_barker;
 88         u8 data_bpsk;
 89         u8 data_qpsk;
 90         u8 data_16qam;
 91         u8 data_64qam;
 92         u8 padding;
 93 } __attribute__ ((packed));
 94 
 95 struct pda_pa_curve_data {
 96         u8 cal_method_rev;
 97         u8 channels;
 98         u8 points_per_channel;
 99         u8 padding;
100         u8 data[0];
101 } __attribute__ ((packed));
102 
103 /*
104  * this defines the PDR codes used to build PDAs as defined in document
105  * number 553155. The current implementation mirrors version 1.1 of the
106  * document and lists only PDRs supported by the ARM platform.
107  */
108 
109 /* common and choice range (0x0000 - 0x0fff) */
110 #define PDR_END                                 0x0000
111 #define PDR_MANUFACTURING_PART_NUMBER           0x0001
112 #define PDR_PDA_VERSION                         0x0002
113 #define PDR_NIC_SERIAL_NUMBER                   0x0003
114 
115 #define PDR_MAC_ADDRESS                         0x0101
116 #define PDR_REGULATORY_DOMAIN_LIST              0x0103
117 #define PDR_TEMPERATURE_TYPE                    0x0107
118 
119 #define PDR_PRISM_PCI_IDENTIFIER                0x0402
120 
121 /* ARM range (0x1000 - 0x1fff) */
122 #define PDR_COUNTRY_INFORMATION                 0x1000
123 #define PDR_INTERFACE_LIST                      0x1001
124 #define PDR_HARDWARE_PLATFORM_COMPONENT_ID      0x1002
125 #define PDR_OEM_NAME                            0x1003
126 #define PDR_PRODUCT_NAME                        0x1004
127 #define PDR_UTF8_OEM_NAME                       0x1005
128 #define PDR_UTF8_PRODUCT_NAME                   0x1006
129 #define PDR_COUNTRY_LIST                        0x1007
130 #define PDR_DEFAULT_COUNTRY                     0x1008
131 
132 #define PDR_ANTENNA_GAIN                        0x1100
133 
134 #define PDR_PRISM_INDIGO_PA_CALIBRATION_DATA    0x1901
135 #define PDR_RSSI_LINEAR_APPROXIMATION           0x1902
136 #define PDR_PRISM_PA_CAL_OUTPUT_POWER_LIMITS    0x1903
137 #define PDR_PRISM_PA_CAL_CURVE_DATA             0x1904
138 #define PDR_RSSI_LINEAR_APPROXIMATION_DUAL_BAND 0x1905
139 #define PDR_PRISM_ZIF_TX_IQ_CALIBRATION         0x1906
140 #define PDR_REGULATORY_POWER_LIMITS             0x1907
141 #define PDR_RSSI_LINEAR_APPROXIMATION_EXTENDED  0x1908
142 #define PDR_RADIATED_TRANSMISSION_CORRECTION    0x1909
143 #define PDR_PRISM_TX_IQ_CALIBRATION             0x190a
144 
145 /* reserved range (0x2000 - 0x7fff) */
146 
147 /* customer range (0x8000 - 0xffff) */
148 #define PDR_BASEBAND_REGISTERS                  0x8000
149 #define PDR_PER_CHANNEL_BASEBAND_REGISTERS      0x8001
150 
151 /* stored in skb->cb */
152 struct memrecord {
153         u32 start_addr;
154         u32 end_addr;
155         struct ieee80211_tx_control *control;
156 };
157 
158 struct p54_eeprom_lm86 {
159         __le16 offset;
160         __le16 len;
161         u8 data[0];
162 } __attribute__ ((packed));
163 
164 struct p54_rx_hdr {
165         __le16 magic;
166         __le16 len;
167         __le16 freq;
168         u8 antenna;
169         u8 rate;
170         u8 rssi;
171         u8 quality;
172         u16 unknown2;
173         __le64 timestamp;
174         u8 data[0];
175 } __attribute__ ((packed));
176 
177 struct p54_frame_sent_hdr {
178         u8 status;
179         u8 retries;
180         __le16 ack_rssi;
181         __le16 seq;
182         u16 rate;
183 } __attribute__ ((packed));
184 
185 struct p54_tx_control_allocdata {
186         u8 rateset[8];
187         u16 padding;
188         u8 wep_key_present;
189         u8 wep_key_len;
190         u8 wep_key[16];
191         __le32 frame_type;
192         u32 padding2;
193         __le16 magic4;
194         u8 antenna;
195         u8 output_power;
196         __le32 magic5;
197         u8 align[0];
198 } __attribute__ ((packed));
199 
200 struct p54_tx_control_filter {
201         __le16 filter_type;
202         u8 dst[ETH_ALEN];
203         u8 src[ETH_ALEN];
204         u8 antenna;
205         u8 debug;
206         __le32 magic3;
207         u8 rates[8];    // FIXME: what's this for?
208         __le32 rx_addr;
209         __le16 max_rx;
210         __le16 rxhw;
211         __le16 magic8;
212         __le16 magic9;
213 } __attribute__ ((packed));
214 
215 struct p54_tx_control_channel {
216         __le16 magic1;
217         __le16 magic2;
218         u8 padding1[20];
219         struct pda_iq_autocal_entry iq_autocal;
220         u8 pa_points_per_curve;
221         u8 val_barker;
222         u8 val_bpsk;
223         u8 val_qpsk;
224         u8 val_16qam;
225         u8 val_64qam;
226         struct pda_pa_curve_data_sample_rev1 curve_data[0];
227         /* additional padding/data after curve_data */
228 } __attribute__ ((packed));
229 
230 struct p54_tx_control_led {
231         __le16 mode;
232         __le16 led_temporary;
233         __le16 led_permanent;
234         __le16 duration;
235 } __attribute__ ((packed));
236 
237 struct p54_tx_vdcf_queues {
238         __le16 aifs;
239         __le16 cwmin;
240         __le16 cwmax;
241         __le16 txop;
242 } __attribute__ ((packed));
243 
244 struct p54_tx_control_vdcf {
245         u8 padding;
246         u8 slottime;
247         u8 magic1;
248         u8 magic2;
249         struct p54_tx_vdcf_queues queue[8];
250         u8 pad2[4];
251         __le16 frameburst;
252 } __attribute__ ((packed));
253 
254 static const struct ieee80211_rate p54_rates[] = {
255         { .rate = 10,
256           .val = 0,
257           .val2 = 0x10,
258           .flags = IEEE80211_RATE_CCK_2 },
259         { .rate = 20,
260           .val = 1,
261           .val2 = 0x11,
262           .flags = IEEE80211_RATE_CCK_2 },
263         { .rate = 55,
264           .val = 2,
265           .val2 = 0x12,
266           .flags = IEEE80211_RATE_CCK_2 },
267         { .rate = 110,
268           .val = 3,
269           .val2 = 0x13,
270           .flags = IEEE80211_RATE_CCK_2 },
271         { .rate = 60,
272           .val = 4,
273           .flags = IEEE80211_RATE_OFDM },
274         { .rate = 90,
275           .val = 5,
276           .flags = IEEE80211_RATE_OFDM },
277         { .rate = 120,
278           .val = 6,
279           .flags = IEEE80211_RATE_OFDM },
280         { .rate = 180,
281           .val = 7,
282           .flags = IEEE80211_RATE_OFDM },
283         { .rate = 240,
284           .val = 8,
285           .flags = IEEE80211_RATE_OFDM },
286         { .rate = 360,
287           .val = 9,
288           .flags = IEEE80211_RATE_OFDM },
289         { .rate = 480,
290           .val = 10,
291           .flags = IEEE80211_RATE_OFDM },
292         { .rate = 540,
293           .val = 11,
294           .flags = IEEE80211_RATE_OFDM },
295 };
296 
297 // TODO: just generate this..
298 static const struct ieee80211_channel p54_channels[] = {
299         { .chan = 1,
300           .freq = 2412},
301         { .chan = 2,
302           .freq = 2417},
303         { .chan = 3,
304           .freq = 2422},
305         { .chan = 4,
306           .freq = 2427},
307         { .chan = 5,
308           .freq = 2432},
309         { .chan = 6,
310           .freq = 2437},
311         { .chan = 7,
312           .freq = 2442},
313         { .chan = 8,
314           .freq = 2447},
315         { .chan = 9,
316           .freq = 2452},
317         { .chan = 10,
318           .freq = 2457},
319         { .chan = 11,
320           .freq = 2462},
321         { .chan = 12,
322           .freq = 2467},
323         { .chan = 13,
324           .freq = 2472},
325         { .chan = 14,
326           .freq = 2484}
327 };
328 
329 #endif /* PRISM54COMMON_H */
330 
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