1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
4  * All rights reserved.
5  *
6  * File: device.h
7  *
8  * Purpose: MAC Data structure
9  *
10  * Author: Tevin Chen
11  *
12  * Date: Mar 17, 1997
13  *
14  */
15 
16 #ifndef __DEVICE_H__
17 #define __DEVICE_H__
18 
19 #include <linux/module.h>
20 #include <linux/types.h>
21 #include <linux/pci.h>
22 #include <linux/etherdevice.h>
23 #include <linux/skbuff.h>
24 #include <linux/interrupt.h>
25 #include <linux/crc32.h>
26 #include <net/mac80211.h>
27 
28 /* device specific */
29 
30 #include "device_cfg.h"
31 #include "card.h"
32 #include "srom.h"
33 #include "desc.h"
34 #include "key.h"
35 #include "mac.h"
36 
37 /*---------------------  Export Definitions -------------------------*/
38 
39 #define RATE_1M		0
40 #define RATE_2M		1
41 #define RATE_5M		2
42 #define RATE_11M	3
43 #define RATE_6M		4
44 #define RATE_9M		5
45 #define RATE_12M	6
46 #define RATE_18M	7
47 #define RATE_24M	8
48 #define RATE_36M	9
49 #define RATE_48M	10
50 #define RATE_54M	11
51 #define MAX_RATE	12
52 
53 #define AUTO_FB_NONE            0
54 #define AUTO_FB_0               1
55 #define AUTO_FB_1               2
56 
57 #define FB_RATE0                0
58 #define FB_RATE1                1
59 
60 /* Antenna Mode */
61 #define ANT_A                   0
62 #define ANT_B                   1
63 #define ANT_DIVERSITY           2
64 #define ANT_RXD_TXA             3
65 #define ANT_RXD_TXB             4
66 #define ANT_UNKNOWN             0xFF
67 
68 #define BB_VGA_LEVEL            4
69 #define BB_VGA_CHANGE_THRESHOLD 16
70 
71 #define MAKE_BEACON_RESERVED	10  /* (us) */
72 
73 /* BUILD OBJ mode */
74 
75 #define	AVAIL_TD(p, q)	((p)->opts.tx_descs[(q)] - ((p)->iTDUsed[(q)]))
76 
77 /* 0:11A 1:11B 2:11G */
78 #define BB_TYPE_11A    0
79 #define BB_TYPE_11B    1
80 #define BB_TYPE_11G    2
81 
82 /* 0:11a, 1:11b, 2:11gb (only CCK in BasicRate), 3:11ga (OFDM in BasicRate) */
83 #define PK_TYPE_11A     0
84 #define PK_TYPE_11B     1
85 #define PK_TYPE_11GB    2
86 #define PK_TYPE_11GA    3
87 
88 #define OWNED_BY_HOST	0
89 #define	OWNED_BY_NIC	1
90 
91 struct vnt_options {
92 	int rx_descs0;		/* Number of RX descriptors0 */
93 	int rx_descs1;		/* Number of RX descriptors1 */
94 	int tx_descs[2];	/* Number of TX descriptors 0, 1 */
95 	int int_works;		/* interrupt limits */
96 	int short_retry;
97 	int long_retry;
98 	int bbp_type;
99 	u32 flags;
100 };
101 
102 struct vnt_private {
103 	struct pci_dev *pcid;
104 	/* mac80211 */
105 	struct ieee80211_hw *hw;
106 	struct ieee80211_vif *vif;
107 	unsigned long key_entry_inuse;
108 	u32 basic_rates;
109 	u16 current_aid;
110 	int mc_list_count;
111 	u8 mac_hw;
112 
113 /* dma addr, rx/tx pool */
114 	dma_addr_t                  pool_dma;
115 	dma_addr_t                  rd0_pool_dma;
116 	dma_addr_t                  rd1_pool_dma;
117 
118 	dma_addr_t                  td0_pool_dma;
119 	dma_addr_t                  td1_pool_dma;
120 
121 	dma_addr_t                  tx_bufs_dma0;
122 	dma_addr_t                  tx_bufs_dma1;
123 	dma_addr_t                  tx_beacon_dma;
124 
125 	unsigned char *tx0_bufs;
126 	unsigned char *tx1_bufs;
127 	unsigned char *tx_beacon_bufs;
128 
129 	void __iomem                *PortOffset;
130 	u32                         memaddr;
131 	u32                         ioaddr;
132 
133 	unsigned char byRxMode;
134 
135 	spinlock_t                  lock;
136 
137 	volatile int                iTDUsed[TYPE_MAXTD];
138 
139 	struct vnt_tx_desc *apCurrTD[TYPE_MAXTD];
140 	struct vnt_tx_desc *apTailTD[TYPE_MAXTD];
141 
142 	struct vnt_tx_desc *apTD0Rings;
143 	struct vnt_tx_desc *apTD1Rings;
144 
145 	struct vnt_rx_desc *aRD0Ring;
146 	struct vnt_rx_desc *aRD1Ring;
147 	struct vnt_rx_desc *pCurrRD[TYPE_MAXRD];
148 
149 	struct vnt_options opts;
150 
151 	u32                         flags;
152 
153 	u32                         rx_buf_sz;
154 	u8 rx_rate;
155 
156 	u32                         rx_bytes;
157 
158 	/* Version control */
159 	unsigned char byLocalID;
160 	unsigned char byRFType;
161 
162 	unsigned char byMaxPwrLevel;
163 	unsigned char byZoneType;
164 	bool bZoneRegExist;
165 	unsigned char byOriginalZonetype;
166 
167 	unsigned char abyCurrentNetAddr[ETH_ALEN]; __aligned(2)
168 	bool bLinkPass;          /* link status: OK or fail */
169 
170 	unsigned int	uCurrRSSI;
171 	unsigned char byCurrSQ;
172 
173 	unsigned long dwTxAntennaSel;
174 	unsigned long dwRxAntennaSel;
175 	unsigned char byAntennaCount;
176 	unsigned char byRxAntennaMode;
177 	unsigned char byTxAntennaMode;
178 	bool bTxRxAntInv;
179 
180 	unsigned char *pbyTmpBuff;
181 	unsigned int	uSIFS;    /* Current SIFS */
182 	unsigned int	uDIFS;    /* Current DIFS */
183 	unsigned int	uEIFS;    /* Current EIFS */
184 	unsigned int	uSlot;    /* Current SlotTime */
185 	unsigned int	uCwMin;   /* Current CwMin */
186 	unsigned int	uCwMax;   /* CwMax is fixed on 1023. */
187 	/* PHY parameter */
188 	unsigned char bySIFS;
189 	unsigned char byDIFS;
190 	unsigned char byEIFS;
191 	unsigned char bySlot;
192 	unsigned char byCWMaxMin;
193 
194 	u8		byBBType; /* 0:11A, 1:11B, 2:11G */
195 	u8		byPacketType; /*
196 				       * 0:11a,1:11b,2:11gb (only CCK
197 				       * in BasicRate), 3:11ga (OFDM in
198 				       * Basic Rate)
199 				       */
200 	unsigned short wBasicRate;
201 	unsigned char byACKRate;
202 	unsigned char byTopOFDMBasicRate;
203 	unsigned char byTopCCKBasicRate;
204 
205 	unsigned char byMinChannel;
206 	unsigned char byMaxChannel;
207 
208 	unsigned char byPreambleType;
209 	unsigned char byShortPreamble;
210 
211 	unsigned short wCurrentRate;
212 	unsigned char byShortRetryLimit;
213 	unsigned char byLongRetryLimit;
214 	enum nl80211_iftype op_mode;
215 	bool bBSSIDFilter;
216 	unsigned short wMaxTransmitMSDULifetime;
217 
218 	bool bEncryptionEnable;
219 	bool bLongHeader;
220 	bool bShortSlotTime;
221 	bool bProtectMode;
222 	bool bNonERPPresent;
223 	bool bBarkerPreambleMd;
224 
225 	bool bRadioControlOff;
226 	bool bRadioOff;
227 	bool bEnablePSMode;
228 	unsigned short wListenInterval;
229 	bool bPWBitOn;
230 
231 	/* GPIO Radio Control */
232 	unsigned char byRadioCtl;
233 	unsigned char byGPIO;
234 	bool bHWRadioOff;
235 	bool bPrvActive4RadioOFF;
236 	bool bGPIOBlockRead;
237 
238 	/* Beacon related */
239 	unsigned short wSeqCounter;
240 	unsigned short wBCNBufLen;
241 	bool bBeaconBufReady;
242 	bool bBeaconSent;
243 	bool bIsBeaconBufReadySet;
244 	unsigned int	cbBeaconBufReadySetCnt;
245 	bool bFixRate;
246 	u16 byCurrentCh;
247 
248 	bool bAES;
249 
250 	unsigned char byAutoFBCtrl;
251 
252 	/* For Update BaseBand VGA Gain Offset */
253 	bool bUpdateBBVGA;
254 	unsigned int	uBBVGADiffCount;
255 	unsigned char byBBVGANew;
256 	unsigned char byBBVGACurrent;
257 	unsigned char abyBBVGA[BB_VGA_LEVEL];
258 	long                    ldBmThreshold[BB_VGA_LEVEL];
259 
260 	unsigned char byBBPreEDRSSI;
261 	unsigned char byBBPreEDIndex;
262 
263 	unsigned long dwDiagRefCount;
264 
265 	/* For FOE Tuning */
266 	unsigned char byFOETuning;
267 
268 	/* For RF Power table */
269 	unsigned char byCCKPwr;
270 	unsigned char byOFDMPwrG;
271 	unsigned char byCurPwr;
272 	char	 byCurPwrdBm;
273 	unsigned char abyCCKPwrTbl[CB_MAX_CHANNEL_24G + 1];
274 	unsigned char abyOFDMPwrTbl[CB_MAX_CHANNEL + 1];
275 	char	abyCCKDefaultPwr[CB_MAX_CHANNEL_24G + 1];
276 	char	abyOFDMDefaultPwr[CB_MAX_CHANNEL + 1];
277 	char	abyRegPwr[CB_MAX_CHANNEL + 1];
278 	char	abyLocalPwr[CB_MAX_CHANNEL + 1];
279 
280 	/* BaseBand Loopback Use */
281 	unsigned char byBBCR4d;
282 	unsigned char byBBCRc9;
283 	unsigned char byBBCR88;
284 	unsigned char byBBCR09;
285 
286 	unsigned char abyEEPROM[EEP_MAX_CONTEXT_SIZE]; /* unsigned long alignment */
287 
288 	unsigned short wBeaconInterval;
289 	u16 wake_up_count;
290 
291 	struct work_struct interrupt_work;
292 
293 	struct ieee80211_low_level_stats low_stats;
294 };
295 
296 #endif
297