xref: /netbsd/sys/dev/ic/aacvar.h (revision bf9ec67e)
1 /*	$NetBSD: aacvar.h,v 1.1 2002/04/26 02:05:11 ad Exp $	*/
2 
3 /*-
4  * Copyright (c) 2002 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Andrew Doran.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *        This product includes software developed by the NetBSD
21  *        Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 /*-
40  * Copyright (c) 2000 Michael Smith
41  * Copyright (c) 2000 BSDi
42  * Copyright (c) 2000 Niklas Hallqvist
43  * All rights reserved.
44  *
45  * Redistribution and use in source and binary forms, with or without
46  * modification, are permitted provided that the following conditions
47  * are met:
48  * 1. Redistributions of source code must retain the above copyright
49  *    notice, this list of conditions and the following disclaimer.
50  * 2. Redistributions in binary form must reproduce the above copyright
51  *    notice, this list of conditions and the following disclaimer in the
52  *    documentation and/or other materials provided with the distribution.
53  *
54  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
55  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
56  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
57  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
58  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
59  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
60  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
61  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
62  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
63  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
64  * SUCH DAMAGE.
65  *
66  *	from FreeBSD: aacvar.h,v 1.1 2000/09/13 03:20:34 msmith Exp
67  *	via OpenBSD: aacvar.h,v 1.2 2002/03/14 01:26:53 millert Exp
68  */
69 
70 #ifndef _PCI_AACVAR_H_
71 #define	_PCI_AACVAR_H_
72 
73 /* Debugging */
74 #ifdef AAC_DEBUG
75 #define AAC_DPRINTF(mask, args) if ((aac_debug & (mask)) != 0) printf args
76 #define AAC_D_INTR	0x01
77 #define AAC_D_MISC	0x02
78 #define AAC_D_CMD	0x04
79 #define AAC_D_QUEUE	0x08
80 #define AAC_D_IO	0x10
81 extern int aac_debug;
82 
83 #define AAC_PRINT_FIB(sc, fib)	aac_print_fib((sc), (fib), __FUNCTION__)
84 #else
85 #define AAC_DPRINTF(mask, args)
86 #define AAC_PRINT_FIB(sc, fib)
87 #endif
88 
89 struct aac_code_lookup {
90 	char	*string;
91 	u_int32_t code;
92 };
93 
94 extern const struct	 aac_code_lookup aac_command_status_table[];
95 extern const struct	 aac_code_lookup aac_cpu_variant[];
96 extern const struct	 aac_code_lookup aac_battery_platform[];
97 extern const struct	 aac_code_lookup aac_container_types[];
98 
99 struct aac_softc;
100 
101 /*
102  * We allocate a small set of FIBs for the adapter to use to send us messages.
103  */
104 #define AAC_ADAPTER_FIBS	8
105 
106 /*
107  * Firmware messages are passed in the printf buffer.
108  */
109 #define AAC_PRINTF_BUFSIZE	256
110 
111 /*
112  * We wait this many seconds for the adapter to come ready if it is still
113  * booting.
114  */
115 #define AAC_BOOT_TIMEOUT	(3 * 60)
116 
117 /*
118  * Wait this long for a lost interrupt to get detected.
119  */
120 #define AAC_WATCH_TIMEOUT	10000		/* 10000 * 1ms = 10s */
121 
122 /*
123  * Timeout for immediate commands.
124  */
125 #define AAC_IMMEDIATE_TIMEOUT	30
126 
127 /*
128  * Delay 20ms after the qnotify in sync operations.  Experimentally deduced.
129  */
130 #define AAC_SYNC_DELAY		20000
131 
132 /*
133  * The firmware interface allows for a 16-bit s/g list length.  We limit
134  * ourselves to a reasonable maximum and ensure alignment.
135  */
136 #define AAC_MAX_SGENTRIES	17	/* max S/G entries, limit 65535 */
137 #define	AAC_MAX_XFER		((AAC_MAX_SGENTRIES - 1) * PAGE_SIZE)
138 
139 /*
140  * Fixed sector size.
141  */
142 #define	AAC_SECTOR_SIZE		512
143 
144 /*
145  * Number of CCBs to allocate, and to reserve for control operations.
146  */
147 #define	AAC_NCCBS		256
148 #define	AAC_NCCBS_RESERVE	4
149 
150 /*
151  * Quirk listings.
152  */
153 #define	AAC_QUIRK_PERC2QC	0x0001
154 
155 /*
156  * We gather a number of adapter-visible items into a single structure.
157  *
158  * The ordering of this strucure may be important; we copy the Linux driver:
159  *
160  * Adapter FIBs
161  * Init struct
162  * Queue headers (Comm Area)
163  * Printf buffer
164  *
165  * In addition, we add:
166  * Sync Fib
167  */
168 struct aac_common {
169 	/* fibs for the controller to send us messages */
170 	struct aac_fib ac_fibs[AAC_ADAPTER_FIBS];
171 
172 	/* the init structure */
173 	struct aac_adapter_init	ac_init;
174 
175 	/* arena within which the queue structures are kept */
176 	u_int8_t ac_qbuf[sizeof(struct aac_queue_table) + AAC_QUEUE_ALIGN];
177 
178 	/* buffer for text messages from the controller */
179 	char	ac_printf[AAC_PRINTF_BUFSIZE];
180 
181 	/* fib for synchronous commands */
182 	struct aac_fib ac_sync_fib;
183 };
184 
185 /*
186  * Interface operations
187  */
188 struct aac_interface {
189 	int	(*aif_get_fwstatus)(struct aac_softc *);
190 	void	(*aif_qnotify)(struct aac_softc *, int);
191 	int	(*aif_get_istatus)(struct aac_softc *);
192 	void	(*aif_set_istatus)(struct aac_softc *, int);
193 	void	(*aif_set_mailbox)(struct aac_softc *, u_int32_t,
194 				   u_int32_t, u_int32_t, u_int32_t, u_int32_t);
195 	int	(*aif_get_mailboxstatus)(struct aac_softc *);
196 	void	(*aif_set_interrupts)(struct aac_softc *, int);
197 };
198 
199 #define AAC_GET_FWSTATUS(sc)		((sc)->sc_if.aif_get_fwstatus(sc))
200 #define AAC_QNOTIFY(sc, qbit) \
201 	((sc)->sc_if.aif_qnotify((sc), (qbit)))
202 #define AAC_GET_ISTATUS(sc)		((sc)->sc_if.aif_get_istatus(sc))
203 #define AAC_CLEAR_ISTATUS(sc, mask) \
204 	((sc)->sc_if.aif_set_istatus((sc), (mask)))
205 #define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \
206 	do {								\
207 		((sc)->sc_if.aif_set_mailbox((sc), (command), (arg0),	\
208 		    (arg1), (arg2), (arg3)));				\
209 	} while(0)
210 #define AAC_GET_MAILBOXSTATUS(sc) \
211 	((sc)->sc_if.aif_get_mailboxstatus(sc))
212 #define	AAC_MASK_INTERRUPTS(sc)	\
213 	((sc)->sc_if.aif_set_interrupts((sc), 0))
214 #define AAC_UNMASK_INTERRUPTS(sc) \
215 	((sc)->sc_if.aif_set_interrupts((sc), 1))
216 
217 #define AAC_SETREG4(sc, reg, val) \
218 	bus_space_write_4((sc)->sc_memt, (sc)->sc_memh, (reg), (val))
219 #define AAC_GETREG4(sc, reg) \
220 	bus_space_read_4((sc)->sc_memt, (sc)->sc_memh, (reg))
221 #define AAC_SETREG2(sc, reg, val) \
222 	bus_space_write_2((sc)->sc_memt, (sc)->sc_memh, (reg), (val))
223 #define AAC_GETREG2(sc, reg) \
224 	bus_space_read_2((sc)->sc_memt, (sc)->sc_memh, (reg))
225 #define AAC_SETREG1(sc, reg, val) \
226 	bus_space_write_1((sc)->sc_memt, (sc)->sc_memh, (reg), (val))
227 #define AAC_GETREG1(sc, reg) \
228 	bus_space_read_1((sc)->sc_memt, (sc)->sc_memh, (reg))
229 
230 
231 /*
232  * A command contol block, one for each corresponding command index of the
233  * controller.
234  */
235 struct aac_ccb {
236 	SIMPLEQ_ENTRY(aac_ccb)	ac_chain;
237 
238 	struct aac_fib		*ac_fib;
239 	bus_addr_t		ac_fibphys;
240 	bus_dmamap_t		ac_dmamap_xfer;
241 
242 	void			*ac_data;
243 	size_t			ac_datalen;
244 	u_int			ac_flags;
245 
246 	void			(*ac_intr)(struct aac_ccb *);
247 	struct device		*ac_device;
248 	void			*ac_context;
249 };
250 #define AAC_CCB_MAPPED	 	0x01
251 #define AAC_CCB_COMPLETED 	0x02
252 #define AAC_CCB_DATA_IN		0x04
253 #define AAC_CCB_DATA_OUT	0x08
254 
255 struct aac_drive {
256 	u_int	hd_present;
257 	u_int	hd_devtype;
258 	u_int	hd_size;
259 };
260 
261 /*
262  * Per-controller structure.
263  */
264 struct aac_softc {
265 	struct device		sc_dv;
266 	void			*sc_ih;
267 	bus_space_tag_t		sc_memt;
268 	bus_space_handle_t	sc_memh;
269 	bus_dma_tag_t		sc_dmat;
270 
271 	struct FsaRevision	sc_revision;
272 	int			sc_hwif;
273 	int			sc_quirks;
274 	struct aac_interface	sc_if;
275 
276 	struct aac_common	*sc_common;
277 	bus_dma_segment_t	sc_common_seg;
278 	bus_dmamap_t		sc_common_dmamap;
279 	struct aac_fib		*sc_fibs;
280 	bus_dma_segment_t	sc_fibs_seg;
281 	bus_dmamap_t		sc_fibs_dmamap;
282 
283 	struct aac_ccb		*sc_ccbs;
284 	SIMPLEQ_HEAD(, aac_ccb)	sc_ccb_free;
285 	SIMPLEQ_HEAD(, aac_ccb)	sc_ccb_queue;
286 	SIMPLEQ_HEAD(, aac_ccb)	sc_ccb_complete;
287 
288 	struct aac_queue_table	*sc_queues;
289 	struct aac_queue_entry	*sc_qentries[AAC_QUEUE_COUNT];
290 	struct aac_drive	sc_hdr[AAC_MAX_CONTAINERS];
291 	int			sc_nunits;
292 	int			sc_flags;
293 };
294 #define AAC_HWIF_I960RX		0
295 #define AAC_HWIF_STRONGARM	1
296 
297 #define	AAC_ONLINE		2
298 
299 struct aac_attach_args {
300 	int		aaca_unit;
301 };
302 
303 #define	aaccf_unit	cf_loc[AACCF_UNIT]
304 
305 int	aac_attach(struct aac_softc *);
306 void	aac_ccb_enqueue(struct aac_softc *, struct aac_ccb *);
307 void	aac_ccb_free(struct aac_softc *, struct aac_ccb *);
308 struct aac_ccb *aac_ccb_alloc(struct aac_softc *, int);
309 int	aac_ccb_map(struct aac_softc *, struct aac_ccb *);
310 int	aac_ccb_poll(struct aac_softc *, struct aac_ccb *, int);
311 int	aac_ccb_submit(struct aac_softc *, struct aac_ccb *);
312 void	aac_ccb_unmap(struct aac_softc *, struct aac_ccb *);
313 const char	*aac_describe_code(const struct aac_code_lookup *, u_int32_t);
314 int	aac_intr(void *);
315 
316 #endif	/* !_PCI_AACVAR_H_ */
317