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1 /*
2  * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
3  * All rights reserved.
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License along
16  * with this program; if not, write to the Free Software Foundation, Inc.,
17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * File: device.h
20  *
21  * Purpose: MAC Data structure
22  *
23  * Author: Tevin Chen
24  *
25  * Date: Mar 17, 1997
26  *
27  */
28 
29 #ifndef __DEVICE_H__
30 #define __DEVICE_H__
31 
32 #include <linux/module.h>
33 #include <linux/types.h>
34 #include <linux/pci.h>
35 #include <linux/etherdevice.h>
36 #include <linux/skbuff.h>
37 #include <linux/interrupt.h>
38 #include <linux/crc32.h>
39 #include <net/mac80211.h>
40 
41 /* device specific */
42 
43 #include "device_cfg.h"
44 #include "card.h"
45 #include "srom.h"
46 #include "desc.h"
47 #include "key.h"
48 #include "mac.h"
49 
50 /*---------------------  Export Definitions -------------------------*/
51 
52 #define RATE_1M		0
53 #define RATE_2M		1
54 #define RATE_5M		2
55 #define RATE_11M	3
56 #define RATE_6M		4
57 #define RATE_9M		5
58 #define RATE_12M	6
59 #define RATE_18M	7
60 #define RATE_24M	8
61 #define RATE_36M	9
62 #define RATE_48M	10
63 #define RATE_54M	11
64 #define MAX_RATE	12
65 
66 #define AUTO_FB_NONE            0
67 #define AUTO_FB_0               1
68 #define AUTO_FB_1               2
69 
70 #define FB_RATE0                0
71 #define FB_RATE1                1
72 
73 /* Antenna Mode */
74 #define ANT_A                   0
75 #define ANT_B                   1
76 #define ANT_DIVERSITY           2
77 #define ANT_RXD_TXA             3
78 #define ANT_RXD_TXB             4
79 #define ANT_UNKNOWN             0xFF
80 
81 #define BB_VGA_LEVEL            4
82 #define BB_VGA_CHANGE_THRESHOLD 16
83 
84 #define MAKE_BEACON_RESERVED	10  /* (us) */
85 
86 /* BUILD OBJ mode */
87 
88 #define	AVAIL_TD(p, q)	((p)->opts.tx_descs[(q)] - ((p)->iTDUsed[(q)]))
89 
90 /* 0:11A 1:11B 2:11G */
91 #define BB_TYPE_11A    0
92 #define BB_TYPE_11B    1
93 #define BB_TYPE_11G    2
94 
95 /* 0:11a, 1:11b, 2:11gb (only CCK in BasicRate), 3:11ga (OFDM in BasicRate) */
96 #define PK_TYPE_11A     0
97 #define PK_TYPE_11B     1
98 #define PK_TYPE_11GB    2
99 #define PK_TYPE_11GA    3
100 
101 #define OWNED_BY_HOST	0
102 #define	OWNED_BY_NIC	1
103 
104 struct vnt_options {
105 	int rx_descs0;		/* Number of RX descriptors0 */
106 	int rx_descs1;		/* Number of RX descriptors1 */
107 	int tx_descs[2];	/* Number of TX descriptors 0, 1 */
108 	int int_works;		/* interrupt limits */
109 	int short_retry;
110 	int long_retry;
111 	int bbp_type;
112 	u32 flags;
113 };
114 
115 struct vnt_private {
116 	struct pci_dev *pcid;
117 	/* mac80211 */
118 	struct ieee80211_hw *hw;
119 	struct ieee80211_vif *vif;
120 	unsigned long key_entry_inuse;
121 	u32 basic_rates;
122 	u16 current_aid;
123 	int mc_list_count;
124 	u8 mac_hw;
125 
126 /* dma addr, rx/tx pool */
127 	dma_addr_t                  pool_dma;
128 	dma_addr_t                  rd0_pool_dma;
129 	dma_addr_t                  rd1_pool_dma;
130 
131 	dma_addr_t                  td0_pool_dma;
132 	dma_addr_t                  td1_pool_dma;
133 
134 	dma_addr_t                  tx_bufs_dma0;
135 	dma_addr_t                  tx_bufs_dma1;
136 	dma_addr_t                  tx_beacon_dma;
137 
138 	unsigned char *tx0_bufs;
139 	unsigned char *tx1_bufs;
140 	unsigned char *tx_beacon_bufs;
141 
142 	void __iomem                *PortOffset;
143 	u32                         memaddr;
144 	u32                         ioaddr;
145 
146 	unsigned char byRxMode;
147 
148 	spinlock_t                  lock;
149 
150 	volatile int                iTDUsed[TYPE_MAXTD];
151 
152 	struct vnt_tx_desc *apCurrTD[TYPE_MAXTD];
153 	struct vnt_tx_desc *apTailTD[TYPE_MAXTD];
154 
155 	struct vnt_tx_desc *apTD0Rings;
156 	struct vnt_tx_desc *apTD1Rings;
157 
158 	struct vnt_rx_desc *aRD0Ring;
159 	struct vnt_rx_desc *aRD1Ring;
160 	struct vnt_rx_desc *pCurrRD[TYPE_MAXRD];
161 
162 	struct vnt_options opts;
163 
164 	u32                         flags;
165 
166 	u32                         rx_buf_sz;
167 	u8 rx_rate;
168 
169 	u32                         rx_bytes;
170 
171 	/* Version control */
172 	unsigned char byLocalID;
173 	unsigned char byRFType;
174 
175 	unsigned char byMaxPwrLevel;
176 	unsigned char byZoneType;
177 	bool bZoneRegExist;
178 	unsigned char byOriginalZonetype;
179 
180 	unsigned char abyCurrentNetAddr[ETH_ALEN]; __aligned(2)
181 	bool bLinkPass;          /* link status: OK or fail */
182 
183 	unsigned int	uCurrRSSI;
184 	unsigned char byCurrSQ;
185 
186 	unsigned long dwTxAntennaSel;
187 	unsigned long dwRxAntennaSel;
188 	unsigned char byAntennaCount;
189 	unsigned char byRxAntennaMode;
190 	unsigned char byTxAntennaMode;
191 	bool bTxRxAntInv;
192 
193 	unsigned char *pbyTmpBuff;
194 	unsigned int	uSIFS;    /* Current SIFS */
195 	unsigned int	uDIFS;    /* Current DIFS */
196 	unsigned int	uEIFS;    /* Current EIFS */
197 	unsigned int	uSlot;    /* Current SlotTime */
198 	unsigned int	uCwMin;   /* Current CwMin */
199 	unsigned int	uCwMax;   /* CwMax is fixed on 1023. */
200 	/* PHY parameter */
201 	unsigned char bySIFS;
202 	unsigned char byDIFS;
203 	unsigned char byEIFS;
204 	unsigned char bySlot;
205 	unsigned char byCWMaxMin;
206 
207 	u8		byBBType; /* 0:11A, 1:11B, 2:11G */
208 	u8		byPacketType; /*
209 				       * 0:11a,1:11b,2:11gb (only CCK
210 				       * in BasicRate), 3:11ga (OFDM in
211 				       * Basic Rate)
212 				       */
213 	unsigned short wBasicRate;
214 	unsigned char byACKRate;
215 	unsigned char byTopOFDMBasicRate;
216 	unsigned char byTopCCKBasicRate;
217 
218 	unsigned char byMinChannel;
219 	unsigned char byMaxChannel;
220 
221 	unsigned char byPreambleType;
222 	unsigned char byShortPreamble;
223 
224 	unsigned short wCurrentRate;
225 	unsigned char byShortRetryLimit;
226 	unsigned char byLongRetryLimit;
227 	enum nl80211_iftype op_mode;
228 	bool bBSSIDFilter;
229 	unsigned short wMaxTransmitMSDULifetime;
230 
231 	bool bEncryptionEnable;
232 	bool bLongHeader;
233 	bool bShortSlotTime;
234 	bool bProtectMode;
235 	bool bNonERPPresent;
236 	bool bBarkerPreambleMd;
237 
238 	bool bRadioControlOff;
239 	bool bRadioOff;
240 	bool bEnablePSMode;
241 	unsigned short wListenInterval;
242 	bool bPWBitOn;
243 
244 	/* GPIO Radio Control */
245 	unsigned char byRadioCtl;
246 	unsigned char byGPIO;
247 	bool bHWRadioOff;
248 	bool bPrvActive4RadioOFF;
249 	bool bGPIOBlockRead;
250 
251 	/* Beacon related */
252 	unsigned short wSeqCounter;
253 	unsigned short wBCNBufLen;
254 	bool bBeaconBufReady;
255 	bool bBeaconSent;
256 	bool bIsBeaconBufReadySet;
257 	unsigned int	cbBeaconBufReadySetCnt;
258 	bool bFixRate;
259 	u16 byCurrentCh;
260 
261 	bool bAES;
262 
263 	unsigned char byAutoFBCtrl;
264 
265 	/* For Update BaseBand VGA Gain Offset */
266 	bool bUpdateBBVGA;
267 	unsigned int	uBBVGADiffCount;
268 	unsigned char byBBVGANew;
269 	unsigned char byBBVGACurrent;
270 	unsigned char abyBBVGA[BB_VGA_LEVEL];
271 	long                    ldBmThreshold[BB_VGA_LEVEL];
272 
273 	unsigned char byBBPreEDRSSI;
274 	unsigned char byBBPreEDIndex;
275 
276 	unsigned long dwDiagRefCount;
277 
278 	/* For FOE Tuning */
279 	unsigned char byFOETuning;
280 
281 	/* For RF Power table */
282 	unsigned char byCCKPwr;
283 	unsigned char byOFDMPwrG;
284 	unsigned char byCurPwr;
285 	char	 byCurPwrdBm;
286 	unsigned char abyCCKPwrTbl[CB_MAX_CHANNEL_24G+1];
287 	unsigned char abyOFDMPwrTbl[CB_MAX_CHANNEL+1];
288 	char	abyCCKDefaultPwr[CB_MAX_CHANNEL_24G+1];
289 	char	abyOFDMDefaultPwr[CB_MAX_CHANNEL+1];
290 	char	abyRegPwr[CB_MAX_CHANNEL+1];
291 	char	abyLocalPwr[CB_MAX_CHANNEL+1];
292 
293 	/* BaseBand Loopback Use */
294 	unsigned char byBBCR4d;
295 	unsigned char byBBCRc9;
296 	unsigned char byBBCR88;
297 	unsigned char byBBCR09;
298 
299 	unsigned char abyEEPROM[EEP_MAX_CONTEXT_SIZE]; /* unsigned long alignment */
300 
301 	unsigned short wBeaconInterval;
302 	u16 wake_up_count;
303 
304 	struct work_struct interrupt_work;
305 
306 	struct ieee80211_low_level_stats low_stats;
307 };
308 
309 #endif
310