1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Definitions for RTL818x hardware
4  *
5  * Copyright 2007 Michael Wu <flamingice@sourmilk.net>
6  * Copyright 2007 Andrea Merello <andrea.merello@gmail.com>
7  *
8  * Based on the r8187 driver, which is:
9  * Copyright 2005 Andrea Merello <andrea.merello@gmail.com>, et al.
10  */
11 
12 #ifndef RTL818X_H
13 #define RTL818X_H
14 
15 struct rtl818x_csr {
16 
17 	u8	MAC[6];
18 	u8	reserved_0[2];
19 
20 	union {
21 		__le32	MAR[2];  /* 0x8 */
22 
23 		struct{ /* rtl8187se */
24 			u8 rf_sw_config; /* 0x8 */
25 			u8 reserved_01[3];
26 			__le32 TMGDA; /* 0xc */
27 		} __packed;
28 	} __packed;
29 
30 	union { /*  0x10  */
31 		struct {
32 			u8	RX_FIFO_COUNT;
33 			u8	reserved_1;
34 			u8	TX_FIFO_COUNT;
35 			u8	BQREQ;
36 		} __packed;
37 
38 		__le32 TBKDA; /* for 8187se */
39 	} __packed;
40 
41 	__le32 TBEDA; /* 0x14 - for rtl8187se */
42 
43 	__le32	TSFT[2];
44 
45 	union { /* 0x20 */
46 		__le32	TLPDA;
47 		__le32  TVIDA; /* for 8187se */
48 	} __packed;
49 
50 	union { /* 0x24 */
51 		__le32	TNPDA;
52 		__le32  TVODA; /* for 8187se */
53 	} __packed;
54 
55 	/* hi pri ring for all cards */
56 	__le32	THPDA; /* 0x28 */
57 
58 	union { /* 0x2c */
59 		struct {
60 			u8 reserved_2a;
61 			u8 EIFS_8187SE;
62 		} __packed;
63 
64 		__le16	BRSR;
65 	} __packed;
66 
67 	u8	BSSID[6]; /* 0x2e */
68 
69 	union { /* 0x34 */
70 		struct {
71 			u8 RESP_RATE;
72 			u8 EIFS;
73 		} __packed;
74 		__le16 BRSR_8187SE;
75 	} __packed;
76 
77 	u8	reserved_3[1]; /* 0x36 */
78 	u8	CMD; /* 0x37 */
79 #define RTL818X_CMD_TX_ENABLE		(1 << 2)
80 #define RTL818X_CMD_RX_ENABLE		(1 << 3)
81 #define RTL818X_CMD_RESET		(1 << 4)
82 	u8	reserved_4[4]; /* 0x38 */
83 	union {
84 		struct {
85 			__le16	INT_MASK;
86 			__le16	INT_STATUS;
87 		} __packed;
88 
89 		__le32	INT_STATUS_SE; /* 0x3c */
90 	} __packed;
91 /* status bits for rtl8187 and rtl8180/8185 */
92 #define RTL818X_INT_RX_OK		(1 <<  0)
93 #define RTL818X_INT_RX_ERR		(1 <<  1)
94 #define RTL818X_INT_TXL_OK		(1 <<  2)
95 #define RTL818X_INT_TXL_ERR		(1 <<  3)
96 #define RTL818X_INT_RX_DU		(1 <<  4)
97 #define RTL818X_INT_RX_FO		(1 <<  5)
98 #define RTL818X_INT_TXN_OK		(1 <<  6)
99 #define RTL818X_INT_TXN_ERR		(1 <<  7)
100 #define RTL818X_INT_TXH_OK		(1 <<  8)
101 #define RTL818X_INT_TXH_ERR		(1 <<  9)
102 #define RTL818X_INT_TXB_OK		(1 << 10)
103 #define RTL818X_INT_TXB_ERR		(1 << 11)
104 #define RTL818X_INT_ATIM		(1 << 12)
105 #define RTL818X_INT_BEACON		(1 << 13)
106 #define RTL818X_INT_TIME_OUT		(1 << 14)
107 #define RTL818X_INT_TX_FO		(1 << 15)
108 /* status bits for rtl8187se */
109 #define RTL818X_INT_SE_TIMER3		(1 <<  0)
110 #define RTL818X_INT_SE_TIMER2		(1 <<  1)
111 #define RTL818X_INT_SE_RQ0SOR		(1 <<  2)
112 #define RTL818X_INT_SE_TXBED_OK		(1 <<  3)
113 #define RTL818X_INT_SE_TXBED_ERR	(1 <<  4)
114 #define RTL818X_INT_SE_TXBE_OK		(1 <<  5)
115 #define RTL818X_INT_SE_TXBE_ERR		(1 <<  6)
116 #define RTL818X_INT_SE_RX_OK		(1 <<  7)
117 #define RTL818X_INT_SE_RX_ERR		(1 <<  8)
118 #define RTL818X_INT_SE_TXL_OK		(1 <<  9)
119 #define RTL818X_INT_SE_TXL_ERR		(1 << 10)
120 #define RTL818X_INT_SE_RX_DU		(1 << 11)
121 #define RTL818X_INT_SE_RX_FIFO		(1 << 12)
122 #define RTL818X_INT_SE_TXN_OK		(1 << 13)
123 #define RTL818X_INT_SE_TXN_ERR		(1 << 14)
124 #define RTL818X_INT_SE_TXH_OK		(1 << 15)
125 #define RTL818X_INT_SE_TXH_ERR		(1 << 16)
126 #define RTL818X_INT_SE_TXB_OK		(1 << 17)
127 #define RTL818X_INT_SE_TXB_ERR		(1 << 18)
128 #define RTL818X_INT_SE_ATIM_TO		(1 << 19)
129 #define RTL818X_INT_SE_BK_TO		(1 << 20)
130 #define RTL818X_INT_SE_TIMER1		(1 << 21)
131 #define RTL818X_INT_SE_TX_FIFO		(1 << 22)
132 #define RTL818X_INT_SE_WAKEUP		(1 << 23)
133 #define RTL818X_INT_SE_BK_DMA		(1 << 24)
134 #define RTL818X_INT_SE_TMGD_OK		(1 << 30)
135 	__le32	TX_CONF; /* 0x40 */
136 #define RTL818X_TX_CONF_LOOPBACK_MAC	(1 << 17)
137 #define RTL818X_TX_CONF_LOOPBACK_CONT	(3 << 17)
138 #define RTL818X_TX_CONF_NO_ICV		(1 << 19)
139 #define RTL818X_TX_CONF_DISCW		(1 << 20)
140 #define RTL818X_TX_CONF_SAT_HWPLCP	(1 << 24)
141 #define RTL818X_TX_CONF_R8180_ABCD	(2 << 25)
142 #define RTL818X_TX_CONF_R8180_F		(3 << 25)
143 #define RTL818X_TX_CONF_R8185_ABC	(4 << 25)
144 #define RTL818X_TX_CONF_R8185_D		(5 << 25)
145 #define RTL818X_TX_CONF_R8187vD		(5 << 25)
146 #define RTL818X_TX_CONF_R8187vD_B	(6 << 25)
147 #define RTL818X_TX_CONF_RTL8187SE	(6 << 25)
148 #define RTL818X_TX_CONF_HWVER_MASK	(7 << 25)
149 #define RTL818X_TX_CONF_DISREQQSIZE	(1 << 28)
150 #define RTL818X_TX_CONF_PROBE_DTS	(1 << 29)
151 #define RTL818X_TX_CONF_HW_SEQNUM	(1 << 30)
152 #define RTL818X_TX_CONF_CW_MIN		(1 << 31)
153 	__le32	RX_CONF;
154 #define RTL818X_RX_CONF_MONITOR		(1 <<  0)
155 #define RTL818X_RX_CONF_NICMAC		(1 <<  1)
156 #define RTL818X_RX_CONF_MULTICAST	(1 <<  2)
157 #define RTL818X_RX_CONF_BROADCAST	(1 <<  3)
158 #define RTL818X_RX_CONF_FCS		(1 <<  5)
159 #define RTL818X_RX_CONF_DATA		(1 << 18)
160 #define RTL818X_RX_CONF_CTRL		(1 << 19)
161 #define RTL818X_RX_CONF_MGMT		(1 << 20)
162 #define RTL818X_RX_CONF_ADDR3		(1 << 21)
163 #define RTL818X_RX_CONF_PM		(1 << 22)
164 #define RTL818X_RX_CONF_BSSID		(1 << 23)
165 #define RTL818X_RX_CONF_RX_AUTORESETPHY	(1 << 28)
166 #define RTL818X_RX_CONF_CSDM1		(1 << 29)
167 #define RTL818X_RX_CONF_CSDM2		(1 << 30)
168 #define RTL818X_RX_CONF_ONLYERLPKT	(1 << 31)
169 	__le32	INT_TIMEOUT;
170 	__le32	TBDA;
171 	u8	EEPROM_CMD;
172 #define RTL818X_EEPROM_CMD_READ		(1 << 0)
173 #define RTL818X_EEPROM_CMD_WRITE	(1 << 1)
174 #define RTL818X_EEPROM_CMD_CK		(1 << 2)
175 #define RTL818X_EEPROM_CMD_CS		(1 << 3)
176 #define RTL818X_EEPROM_CMD_NORMAL	(0 << 6)
177 #define RTL818X_EEPROM_CMD_LOAD		(1 << 6)
178 #define RTL818X_EEPROM_CMD_PROGRAM	(2 << 6)
179 #define RTL818X_EEPROM_CMD_CONFIG	(3 << 6)
180 	u8	CONFIG0;
181 	u8	CONFIG1;
182 	u8	CONFIG2;
183 #define RTL818X_CONFIG2_ANTENNA_DIV	(1 << 6)
184 	__le32	ANAPARAM;
185 	u8	MSR;
186 #define RTL818X_MSR_NO_LINK		(0 << 2)
187 #define RTL818X_MSR_ADHOC		(1 << 2)
188 #define RTL818X_MSR_INFRA		(2 << 2)
189 #define RTL818X_MSR_MASTER		(3 << 2)
190 #define RTL818X_MSR_ENEDCA		(4 << 2)
191 	u8	CONFIG3;
192 #define RTL818X_CONFIG3_ANAPARAM_WRITE	(1 << 6)
193 #define RTL818X_CONFIG3_GNT_SELECT	(1 << 7)
194 	u8	CONFIG4;
195 #define RTL818X_CONFIG4_POWEROFF	(1 << 6)
196 #define RTL818X_CONFIG4_VCOOFF		(1 << 7)
197 	u8	TESTR;
198 	u8	reserved_9[2];
199 	u8	PGSELECT;
200 	u8	SECURITY;
201 	__le32	ANAPARAM2;
202 	u8	reserved_10[8];
203 	__le32  IMR;		/* 0x6c	- Interrupt mask reg for 8187se */
204 #define IMR_TMGDOK      ((1 << 30))
205 #define IMR_DOT11HINT	((1 << 25))	/* 802.11h Measurement Interrupt */
206 #define IMR_BCNDMAINT	((1 << 24))	/* Beacon DMA Interrupt */
207 #define IMR_WAKEINT	((1 << 23))	/* Wake Up Interrupt */
208 #define IMR_TXFOVW	((1 << 22))	/* Tx FIFO Overflow */
209 #define IMR_TIMEOUT1	((1 << 21))	/* Time Out Interrupt 1 */
210 #define IMR_BCNINT	((1 << 20))	/* Beacon Time out */
211 #define IMR_ATIMINT	((1 << 19))	/* ATIM Time Out */
212 #define IMR_TBDER	((1 << 18))	/* Tx Beacon Descriptor Error */
213 #define IMR_TBDOK	((1 << 17))	/* Tx Beacon Descriptor OK */
214 #define IMR_THPDER	((1 << 16))	/* Tx High Priority Descriptor Error */
215 #define IMR_THPDOK	((1 << 15))	/* Tx High Priority Descriptor OK */
216 #define IMR_TVODER	((1 << 14))	/* Tx AC_VO Descriptor Error Int */
217 #define IMR_TVODOK	((1 << 13))	/* Tx AC_VO Descriptor OK Interrupt */
218 #define IMR_FOVW	((1 << 12))	/* Rx FIFO Overflow Interrupt */
219 #define IMR_RDU		((1 << 11))	/* Rx Descriptor Unavailable */
220 #define IMR_TVIDER	((1 << 10))	/* Tx AC_VI Descriptor Error */
221 #define IMR_TVIDOK	((1 << 9))	/* Tx AC_VI Descriptor OK Interrupt */
222 #define IMR_RER		((1 << 8))	/* Rx Error Interrupt */
223 #define IMR_ROK		((1 << 7))	/* Receive OK Interrupt */
224 #define IMR_TBEDER	((1 << 6))	/* Tx AC_BE Descriptor Error */
225 #define IMR_TBEDOK	((1 << 5))	/* Tx AC_BE Descriptor OK */
226 #define IMR_TBKDER	((1 << 4))	/* Tx AC_BK Descriptor Error */
227 #define IMR_TBKDOK	((1 << 3))	/* Tx AC_BK Descriptor OK */
228 #define IMR_RQOSOK	((1 << 2))	/* Rx QoS OK Interrupt */
229 #define IMR_TIMEOUT2	((1 << 1))	/* Time Out Interrupt 2 */
230 #define IMR_TIMEOUT3	((1 << 0))	/* Time Out Interrupt 3 */
231 	__le16	BEACON_INTERVAL; /* 0x70 */
232 	__le16	ATIM_WND; /*  0x72 */
233 	__le16	BEACON_INTERVAL_TIME; /*  0x74 */
234 	__le16	ATIMTR_INTERVAL; /*  0x76 */
235 	u8	PHY_DELAY; /*  0x78 */
236 	u8	CARRIER_SENSE_COUNTER; /* 0x79 */
237 	u8	reserved_11[2]; /* 0x7a */
238 	u8	PHY[4]; /* 0x7c  */
239 	__le16	RFPinsOutput; /* 0x80 */
240 	__le16	RFPinsEnable; /* 0x82 */
241 	__le16	RFPinsSelect; /* 0x84 */
242 	__le16	RFPinsInput;  /* 0x86 */
243 	__le32	RF_PARA; /*  0x88 */
244 	__le32	RF_TIMING; /*  0x8c */
245 	u8	GP_ENABLE; /*  0x90 */
246 	u8	GPIO0; /*  0x91 */
247 	u8	GPIO1; /*  0x92 */
248 	u8	TPPOLL_STOP; /*  0x93 - rtl8187se only */
249 #define RTL818x_TPPOLL_STOP_BQ			(1 << 7)
250 #define RTL818x_TPPOLL_STOP_VI			(1 << 4)
251 #define RTL818x_TPPOLL_STOP_VO			(1 << 5)
252 #define RTL818x_TPPOLL_STOP_BE			(1 << 3)
253 #define RTL818x_TPPOLL_STOP_BK			(1 << 2)
254 #define RTL818x_TPPOLL_STOP_MG			(1 << 1)
255 #define RTL818x_TPPOLL_STOP_HI			(1 << 6)
256 
257 	__le32	HSSI_PARA; /*  0x94 */
258 	u8	reserved_13[4]; /* 0x98 */
259 	u8	TX_AGC_CTL; /*  0x9c */
260 #define RTL818X_TX_AGC_CTL_PERPACKET_GAIN	(1 << 0)
261 #define RTL818X_TX_AGC_CTL_PERPACKET_ANTSEL	(1 << 1)
262 #define RTL818X_TX_AGC_CTL_FEEDBACK_ANT		(1 << 2)
263 	u8	TX_GAIN_CCK;
264 	u8	TX_GAIN_OFDM;
265 	u8	TX_ANTENNA;
266 	u8	reserved_14[16];
267 	u8	WPA_CONF;
268 	u8	reserved_15[3];
269 	u8	SIFS;
270 	u8	DIFS;
271 	u8	SLOT;
272 	u8	reserved_16[5];
273 	u8	CW_CONF;
274 #define RTL818X_CW_CONF_PERPACKET_CW	(1 << 0)
275 #define RTL818X_CW_CONF_PERPACKET_RETRY	(1 << 1)
276 	u8	CW_VAL;
277 	u8	RATE_FALLBACK;
278 #define RTL818X_RATE_FALLBACK_ENABLE	(1 << 7)
279 	u8	ACM_CONTROL;
280 	u8	reserved_17[24];
281 	u8	CONFIG5;
282 	u8	TX_DMA_POLLING;
283 	u8	PHY_PR;
284 	u8	reserved_18;
285 	__le16	CWR;
286 	u8	RETRY_CTR;
287 	u8	reserved_19[3];
288 	__le16	INT_MIG;
289 /* RTL818X_R8187B_*: magic numbers from ioregisters */
290 #define RTL818X_R8187B_B	0
291 #define RTL818X_R8187B_D	1
292 #define RTL818X_R8187B_E	2
293 	__le32	RDSAR;
294 	__le16	TID_AC_MAP;
295 	u8	reserved_20[4];
296 	union {
297 		__le16	ANAPARAM3; /* 0xee */
298 		u8	ANAPARAM3A; /* for rtl8187 */
299 	};
300 
301 #define AC_PARAM_TXOP_LIMIT_SHIFT	16
302 #define AC_PARAM_ECW_MAX_SHIFT		12
303 #define AC_PARAM_ECW_MIN_SHIFT		8
304 #define AC_PARAM_AIFS_SHIFT		0
305 
306 	__le32 AC_VO_PARAM; /* 0xf0 */
307 
308 	union { /* 0xf4 */
309 		__le32 AC_VI_PARAM;
310 		__le16 FEMR;
311 	} __packed;
312 
313 	union{ /* 0xf8 */
314 		__le32  AC_BE_PARAM; /* rtl8187se */
315 		struct{
316 			u8      reserved_21[2];
317 			__le16	TALLY_CNT; /* 0xfa */
318 		} __packed;
319 	} __packed;
320 
321 	union {
322 		u8	TALLY_SEL; /* 0xfc */
323 		__le32  AC_BK_PARAM;
324 
325 	} __packed;
326 
327 } __packed;
328 
329 /* These are addresses with NON-standard usage.
330  * They have offsets very far from this struct.
331  * I don't like to introduce a ton of "reserved"..
332  * They are for RTL8187SE
333  */
334 #define REG_ADDR1(addr)	((u8 __iomem *)priv->map + (addr))
335 #define REG_ADDR2(addr)	((__le16 __iomem *)priv->map + ((addr) >> 1))
336 #define REG_ADDR4(addr)	((__le32 __iomem *)priv->map + ((addr) >> 2))
337 
338 #define FEMR_SE		REG_ADDR2(0x1D4)
339 #define ARFR		REG_ADDR2(0x1E0)
340 #define RFSW_CTRL	REG_ADDR2(0x272)
341 #define SW_3W_DB0	REG_ADDR2(0x274)
342 #define SW_3W_DB0_4	REG_ADDR4(0x274)
343 #define SW_3W_DB1	REG_ADDR2(0x278)
344 #define SW_3W_DB1_4	REG_ADDR4(0x278)
345 #define SW_3W_CMD1	REG_ADDR1(0x27D)
346 #define PI_DATA_REG	REG_ADDR2(0x360)
347 #define SI_DATA_REG     REG_ADDR2(0x362)
348 
349 struct rtl818x_rf_ops {
350 	char *name;
351 	void (*init)(struct ieee80211_hw *);
352 	void (*stop)(struct ieee80211_hw *);
353 	void (*set_chan)(struct ieee80211_hw *, struct ieee80211_conf *);
354 	u8 (*calc_rssi)(u8 agc, u8 sq);
355 };
356 
357 /**
358  * enum rtl818x_tx_desc_flags - Tx/Rx flags are common between RTL818X chips
359  *
360  * @RTL818X_TX_DESC_FLAG_NO_ENC: Disable hardware based encryption.
361  * @RTL818X_TX_DESC_FLAG_TX_OK: TX frame was ACKed.
362  * @RTL818X_TX_DESC_FLAG_SPLCP: Use short preamble.
363  * @RTL818X_TX_DESC_FLAG_MOREFRAG: More fragments follow.
364  * @RTL818X_TX_DESC_FLAG_CTS: Use CTS-to-self protection.
365  * @RTL818X_TX_DESC_FLAG_RTS: Use RTS/CTS protection.
366  * @RTL818X_TX_DESC_FLAG_LS: Last segment of the frame.
367  * @RTL818X_TX_DESC_FLAG_FS: First segment of the frame.
368  */
369 enum rtl818x_tx_desc_flags {
370 	RTL818X_TX_DESC_FLAG_NO_ENC	= (1 << 15),
371 	RTL818X_TX_DESC_FLAG_TX_OK	= (1 << 15),
372 	RTL818X_TX_DESC_FLAG_SPLCP	= (1 << 16),
373 	RTL818X_TX_DESC_FLAG_RX_UNDER	= (1 << 16),
374 	RTL818X_TX_DESC_FLAG_MOREFRAG	= (1 << 17),
375 	RTL818X_TX_DESC_FLAG_CTS	= (1 << 18),
376 	RTL818X_TX_DESC_FLAG_RTS	= (1 << 23),
377 	RTL818X_TX_DESC_FLAG_LS		= (1 << 28),
378 	RTL818X_TX_DESC_FLAG_FS		= (1 << 29),
379 	RTL818X_TX_DESC_FLAG_DMA	= (1 << 30),
380 	RTL818X_TX_DESC_FLAG_OWN	= (1 << 31)
381 };
382 
383 enum rtl818x_rx_desc_flags {
384 	RTL818X_RX_DESC_FLAG_ICV_ERR	= (1 << 12),
385 	RTL818X_RX_DESC_FLAG_CRC32_ERR	= (1 << 13),
386 	RTL818X_RX_DESC_FLAG_PM		= (1 << 14),
387 	RTL818X_RX_DESC_FLAG_RX_ERR	= (1 << 15),
388 	RTL818X_RX_DESC_FLAG_BCAST	= (1 << 16),
389 	RTL818X_RX_DESC_FLAG_PAM	= (1 << 17),
390 	RTL818X_RX_DESC_FLAG_MCAST	= (1 << 18),
391 	RTL818X_RX_DESC_FLAG_QOS	= (1 << 19), /* RTL8187(B) only */
392 	RTL818X_RX_DESC_FLAG_TRSW	= (1 << 24), /* RTL8187(B) only */
393 	RTL818X_RX_DESC_FLAG_SPLCP	= (1 << 25),
394 	RTL818X_RX_DESC_FLAG_FOF	= (1 << 26),
395 	RTL818X_RX_DESC_FLAG_DMA_FAIL	= (1 << 27),
396 	RTL818X_RX_DESC_FLAG_LS		= (1 << 28),
397 	RTL818X_RX_DESC_FLAG_FS		= (1 << 29),
398 	RTL818X_RX_DESC_FLAG_EOR	= (1 << 30),
399 	RTL818X_RX_DESC_FLAG_OWN	= (1 << 31)
400 };
401 
402 #endif /* RTL818X_H */
403