xref: /freebsd/sys/dev/malo/if_malohal.h (revision 193d9e768ba63fcfb187cfd17f461f7d41345048)
1 /*-
2  * Copyright (c) 2007 Marvell Semiconductor, Inc.
3  * Copyright (c) 2007 Sam Leffler, Errno Consulting
4  * Copyright (c) 2008 Weongyo Jeong <weongyo@freebsd.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer,
12  *    without modification.
13  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
14  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
15  *    redistribution must be conditioned upon including a substantially
16  *    similar Disclaimer requirement for further binary redistribution.
17  *
18  * NO WARRANTY
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
22  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
23  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
24  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
27  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
29  * THE POSSIBILITY OF SUCH DAMAGES.
30  *
31  * $FreeBSD$
32  */
33 
34 #ifndef _DEV_MALOHAL_H
35 #define _DEV_MALOHAL_H
36 
37 #define MALO_NUM_TX_QUEUES			1
38 #define MALO_MAX_TXWCB_QUEUES			MALO_NUM_TX_QUEUES
39 
40 /* size of f/w command buffer */
41 #define	MALO_CMDBUF_SIZE			0x4000
42 
43 #define MALO_FW_CHECK_USECS			(5 * 1000)	/* 5ms */
44 #define MALO_FW_MAX_NUM_CHECKS			200
45 
46 /*
47  * Calibration data builtin to the firmware.  The firmware image
48  * has a single set of calibration tables that we retrieve right
49  * after download.  This can be overriden by the driver (e.g. for
50  * a different regdomain and/or tx power setup).
51  */
52 struct malo_hal_caldata {
53 	/* pt is short for `power target'.  */
54 #define	MALO_PWTAGETRATETABLE20M		(14 * 4)
55 	uint8_t	pt_ratetable_20m[MALO_PWTAGETRATETABLE20M];
56 };
57 
58 /*
59  * Get Hardware/Firmware capabilities.
60  */
61 struct malo_hal_hwspec {
62 	uint8_t		hwversion;		/* version of the HW */
63 	uint8_t		hostinterface;	/* host interface */
64 	uint16_t	maxnum_wcb;		/* max # of WCB FW handles */
65 	/* max # of mcast addresses FW handles*/
66 	uint16_t	maxnum_mcaddr;
67 	uint16_t	maxnum_tx_wcb;	/* max # of tx descs per WCB */
68 	/* MAC address programmed in HW */
69 	uint8_t		macaddr[6];
70 	uint16_t	regioncode;		/* EEPROM region code */
71 	uint16_t	num_antenna;	/* Number of antenna used */
72 	uint32_t	fw_releasenum;	/* firmware release number */
73 	uint32_t	wcbbase0;
74 	uint32_t	rxdesc_read;
75 	uint32_t	rxdesc_write;
76 	uint32_t	ul_fw_awakecookie;
77 	uint32_t	wcbbase[4];
78 };
79 
80 /*
81  * Supply tx/rx dma-related settings to the firmware.
82  */
83 struct malo_hal_txrxdma {
84 	uint32_t	maxnum_wcb;		/* max # of WCB FW handles */
85 	uint32_t	maxnum_txwcb;		/* max # of tx descs per WCB */
86 	uint32_t	rxdesc_read;
87 	uint32_t	rxdesc_write;
88 	uint32_t	wcbbase[4];
89 };
90 
91 /*
92  * Get Hardware Statistics.
93  *
94  * Items marked with ! are deprecated and not ever updated.  In
95  * some cases this is because work has been moved to the host (e.g.
96  * rx defragmentation).
97  *
98  * XXX low/up cases.
99  */
100 struct malo_hal_hwstats {
101 	uint32_t	TxRetrySuccesses;	/* tx success w/ 1 retry */
102 	uint32_t	TxMultipleRetrySuccesses;/* tx success w/ >1 retry */
103 	uint32_t	TxFailures;		/* tx fail due to no ACK */
104 	uint32_t	RTSSuccesses;		/* CTS rx'd for RTS */
105 	uint32_t	RTSFailures;		/* CTS not rx'd for RTS */
106 	uint32_t	AckFailures;		/* same as TxFailures */
107 	uint32_t	RxDuplicateFrames;	/* rx discard for dup seqno */
108 	uint32_t	FCSErrorCount;		/* rx discard for bad FCS */
109 	uint32_t	TxWatchDogTimeouts;	/* MAC tx hang (f/w recovery) */
110 	uint32_t	RxOverflows;		/* no f/w buffer for rx data */
111 	uint32_t	RxFragErrors;		/* !rx fail due to defrag */
112 	uint32_t	RxMemErrors;		/* out of mem or desc corrupted
113 						   in some way */
114 	uint32_t	RxPointerErrors;	/* MAC internal ptr problem */
115 	uint32_t	TxUnderflows;		/* !tx underflow on dma */
116 	uint32_t	TxDone;			/* MAC tx ops completed
117 						   (possibly w/ error) */
118 	uint32_t	TxDoneBufTryPut;	/* ! */
119 	uint32_t	TxDoneBufPut;		/* same as TxDone */
120 	uint32_t	Wait4TxBuf;		/* !no f/w buf avail when
121 						    supplied a tx descriptor */
122 	uint32_t	TxAttempts;		/* tx descriptors processed */
123 	uint32_t	TxSuccesses;		/* tx attempts successful */
124 	uint32_t	TxFragments;		/* tx with fragmentation */
125 	uint32_t	TxMulticasts;		/* tx multicast frames */
126 	uint32_t	RxNonCtlPkts;		/* rx non-control frames */
127 	uint32_t	RxMulticasts;		/* rx multicast frames */
128 	uint32_t	RxUndecryptableFrames;	/* rx failed due to crypto */
129 	uint32_t 	RxICVErrors;		/* rx failed due to ICV check */
130 	uint32_t	RxExcludedFrames;	/* rx discarded, e.g. bssid */
131 };
132 
133 /*
134  * Set Antenna Configuration (legacy operation).
135  *
136  * The RX antenna can be selected using the bitmask
137  * ant (bit 0 = antenna 1, bit 1 = antenna 2, etc.)
138  * (diversity?XXX)
139  */
140 enum malo_hal_antenna {
141 	MHA_ANTENNATYPE_RX	= 1,
142 	MHA_ANTENNATYPE_TX	= 2,
143 };
144 
145 /*
146  * Set Radio Configuration.
147  *
148  * onoff != 0 turns radio on; otherwise off.
149  * if radio is enabled, the preamble is set too.
150  */
151 enum malo_hal_preamble {
152 	MHP_LONG_PREAMBLE	= 1,
153 	MHP_SHORT_PREAMBLE	= 3,
154 	MHP_AUTO_PREAMBLE	= 5,
155 };
156 
157 struct malo_hal_channel_flags {
158 	uint32_t		freqband : 6,
159 #define MALO_FREQ_BAND_2DOT4GHZ	0x1
160 				: 26;		/* reserved */
161 };
162 
163 struct malo_hal_channel {
164 	uint32_t		channel;
165 	struct malo_hal_channel_flags flags;
166 };
167 
168 struct malo_hal_txrate {
169 	uint8_t			mcastrate;	/* rate for multicast frames */
170 	uint8_t			mgtrate;	/* rate for management frames */
171 	struct {
172 		uint8_t		trycount;	/* try this many times */
173 		uint8_t		rate;		/* use this tx rate */
174 	} rateseries[4];			/* rate series */
175 };
176 
177 struct malo_hal {
178 	device_t		mh_dev;
179 
180 	bus_space_handle_t	mh_ioh;		/* BAR 1 copied from softc */
181 	bus_space_tag_t		mh_iot;
182 	uint32_t		mh_imask;	/* interrupt mask */
183 	int			mh_flags;
184 #define	MHF_CALDATA		0x0001		/* cal data retrieved */
185 #define	MHF_FWHANG		0x0002		/* fw appears hung */
186 
187 	char			mh_mtxname[12];
188 	struct mtx		mh_mtx;
189 	bus_dma_tag_t		mh_dmat;	/* bus DMA tag for cmd buffer */
190 	bus_dmamap_t		mh_dmamap;	/* DMA map for cmd buffer */
191 	uint16_t		*mh_cmdbuf;	/* f/w cmd buffer */
192 	bus_addr_t		mh_cmdaddr;	/* physaddr of cmd buffer */
193 
194 	struct malo_hal_caldata	mh_caldata;
195 
196 	int			mh_debug;
197 #define MALO_HAL_DEBUG_SENDCMD	0x00000001
198 #define MALO_HAL_DEBUG_CMDDONE	0x00000002
199 #define MALO_HAL_DEBUG_IGNHANG	0X00000004
200 };
201 
202 #define MALO_HAL_LOCK(mh)		mtx_lock(&mh->mh_mtx)
203 #define MALO_HAL_LOCK_ASSERT(mh)	mtx_assert(&mh->mh_mtx, MA_OWNED)
204 #define MALO_HAL_UNLOCK(mh)		mtx_unlock(&mh->mh_mtx)
205 
206 struct malo_hal *malo_hal_attach(device_t, uint16_t,
207 	    bus_space_handle_t, bus_space_tag_t,
208 	    bus_dma_tag_t);
209 int	malo_hal_fwload(struct malo_hal *, char *, char *);
210 int	malo_hal_gethwspecs(struct malo_hal *,
211 	    struct malo_hal_hwspec *);
212 void	malo_hal_detach(struct malo_hal *);
213 void	malo_hal_intrset(struct malo_hal *, uint32_t);
214 int	malo_hal_setantenna(struct malo_hal *,
215 	    enum malo_hal_antenna, int);
216 int	malo_hal_setradio(struct malo_hal *, int,
217 	    enum malo_hal_preamble);
218 int	malo_hal_setchannel(struct malo_hal *,
219 	    const struct malo_hal_channel *);
220 int	malo_hal_setmaxtxpwr(struct malo_hal *, uint16_t);
221 int	malo_hal_settxpower(struct malo_hal *, const struct malo_hal_channel *);
222 int	malo_hal_setpromisc(struct malo_hal *, int);
223 int	malo_hal_setassocid(struct malo_hal *,
224 	    const uint8_t[], uint16_t);
225 void	malo_hal_txstart(struct malo_hal *, int);
226 void	malo_hal_getisr(struct malo_hal *, uint32_t *);
227 void	malo_hal_cmddone(struct malo_hal *);
228 int	malo_hal_prescan(struct malo_hal *);
229 int	malo_hal_postscan(struct malo_hal *, uint8_t *, uint8_t);
230 int	malo_hal_set_slot(struct malo_hal *, int);
231 int	malo_hal_set_rate(struct malo_hal *, uint16_t, uint8_t);
232 int	malo_hal_setmcast(struct malo_hal *, int, const uint8_t[]);
233 
234 #endif
235