xref: /freebsd/sys/dev/rtwn/if_rtwnreg.h (revision 72c59f1728c12fbdcd316c172708d8f3a60299be)
1 /*-
2  * Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr>
3  * Copyright (c) 2016 Andriy Voskoboinyk <avos@FreeBSD.org>
4  *
5  * Permission to use, copy, modify, and distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  *
17  * $OpenBSD: if_urtwnreg.h,v 1.3 2010/11/16 18:02:59 damien Exp $
18  * $FreeBSD$
19  */
20 
21 #ifndef IF_RTWNREG_H
22 #define IF_RTWNREG_H
23 
24 #define R92C_MIN_TX_PWR		0x00
25 #define R92C_MAX_TX_PWR		0x3f
26 
27 #define R92C_H2C_NBOX		4
28 
29 /* Common part of Tx descriptor (named only!). */
30 struct rtwn_tx_desc_common {
31 	uint16_t	pktlen;
32 	uint8_t		offset;
33 	uint8_t		flags0;
34 #define RTWN_FLAGS0_OWN	0x80
35 
36 	uint32_t	txdw1;
37 /* NB: qsel is shared too; however, it looks better at the lower level */
38 #define RTWN_TXDW1_CIPHER_M	0x00c00000
39 #define RTWN_TXDW1_CIPHER_S	22
40 #define RTWN_TXDW1_CIPHER_NONE	0
41 #define RTWN_TXDW1_CIPHER_RC4	1
42 #define RTWN_TXDW1_CIPHER_SM4	2
43 #define RTWN_TXDW1_CIPHER_AES	3
44 
45 	uint32_t	reserved[5];
46 
47 	union txdw7_shared {
48 		uint16_t	usb_checksum;
49 		uint16_t	pci_txbufsize;
50 	} txdw7;
51 } __packed __attribute__((aligned(4)));
52 
53 /* Common part of Rx descriptor. */
54 struct rtwn_rx_stat_common {
55 	uint32_t	rxdw0;
56 #define RTWN_RXDW0_PKTLEN_M	0x00003fff
57 #define RTWN_RXDW0_PKTLEN_S	0
58 #define RTWN_RXDW0_CRCERR	0x00004000
59 #define RTWN_RXDW0_ICVERR	0x00008000
60 #define RTWN_RXDW0_INFOSZ_M	0x000f0000
61 #define RTWN_RXDW0_INFOSZ_S	16
62 #define RTWN_RXDW0_CIPHER_M	0x00700000
63 #define RTWN_RXDW0_CIPHER_S	20
64 #define RTWN_RXDW0_QOS		0x00800000
65 #define RTWN_RXDW0_SHIFT_M	0x03000000
66 #define RTWN_RXDW0_SHIFT_S	24
67 #define RTWN_RXDW0_PHYST	0x04000000
68 #define RTWN_RXDW0_SWDEC	0x08000000
69 #define RTWN_RXDW0_LS		0x10000000
70 #define RTWN_RXDW0_FS		0x20000000
71 #define RTWN_RXDW0_EOR		0x40000000
72 #define RTWN_RXDW0_OWN		0x80000000
73 
74 	uint32_t	rxdw1;
75 #define RTWN_RXDW1_AMSDU	0x00002000
76 #define RTWN_RXDW1_MC		0x40000000
77 #define RTWN_RXDW1_BC		0x80000000
78 
79 	uint32_t	rxdw2;
80 	uint32_t	rxdw3;
81 #define RTWN_RXDW3_HTC		0x00000400
82 #define RTWN_RXDW3_BSSID01_FIT_M 0x00003000
83 #define RTWN_RXDW3_BSSID01_FIT_S 12
84 
85 	uint32_t	rxdw4;
86 	uint32_t	tsf_low;
87 } __packed __attribute__((aligned(4)));
88 
89 /* Rx descriptor for PCIe devices. */
90 struct rtwn_rx_stat_pci {
91 	uint32_t	rxdw0;
92 	uint32_t	rxdw1;
93 	uint32_t	rxdw2;
94 	uint32_t	rxdw3;
95 	uint32_t	rxdw4;
96 	uint32_t	tsf_low;
97 
98 	uint32_t	rxbufaddr;
99 	uint32_t	rxbufaddr64;
100 } __packed __attribute__((aligned(4)));
101 
102 /*
103  * Macros to access subfields in registers.
104  */
105 /* Mask and Shift (getter). */
106 #define MS(val, field)							\
107 	(((val) & field##_M) >> field##_S)
108 
109 /* Shift and Mask (setter). */
110 #define SM(field, val)							\
111 	(((val) << field##_S) & field##_M)
112 
113 /* Rewrite. */
114 #define RW(var, field, val)						\
115 	(((var) & ~field##_M) | SM(field, val))
116 
117 #define RTWN_MAX_CONDITIONS	3
118 
119 /*
120  * Structure for MAC initialization values.
121  */
122 struct rtwn_mac_prog {
123 	uint16_t	reg;
124 	uint8_t		val;
125 };
126 
127 /*
128  * Structure for baseband initialization values.
129  */
130 struct rtwn_bb_prog {
131 	int		count;
132 	const uint16_t	*reg;
133 	const uint32_t	*val;
134 	const uint8_t	cond[RTWN_MAX_CONDITIONS];
135 	const struct rtwn_bb_prog *next;
136 };
137 
138 struct rtwn_agc_prog {
139 	int		count;
140 	const uint32_t	*val;
141 	const uint8_t	cond[RTWN_MAX_CONDITIONS];
142 	const struct rtwn_agc_prog *next;
143 };
144 
145 /*
146  * Structure for RF initialization values.
147  */
148 struct rtwn_rf_prog {
149 	int		count;
150 	const uint8_t	*reg;
151 	const uint32_t	*val;
152 	const uint8_t	cond[RTWN_MAX_CONDITIONS];
153 	const struct rtwn_rf_prog *next;
154 };
155 
156 /* XXX move to net80211. */
157 static __inline int
158 rtwn_chan2centieee(const struct ieee80211_channel *c)
159 {
160 	int chan;
161 
162 	chan = c->ic_ieee;
163 	if (c->ic_extieee != 0)
164 		chan = (chan + c->ic_extieee) / 2;
165 
166 	return (chan);
167 }
168 
169 #endif	/* IF_RTWNREG_H */
170