xref: /netbsd/sys/dev/pcmcia/pcmciavar.h (revision c4a72b64)
1 /*	$NetBSD: pcmciavar.h,v 1.17 2002/08/15 10:37:02 christos Exp $	*/
2 
3 /*
4  * Copyright (c) 1997 Marc Horowitz.  All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. All advertising materials mentioning features or use of this software
15  *    must display the following acknowledgement:
16  *	This product includes software developed by Marc Horowitz.
17  * 4. The name of the author may not be used to endorse or promote products
18  *    derived from this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include <sys/types.h>
33 #include <sys/queue.h>
34 
35 #include <dev/pcmcia/pcmciachip.h>
36 
37 extern int	pcmcia_verbose;
38 
39 /*
40  * Contains information about mapped/allocated i/o spaces.
41  */
42 struct pcmcia_io_handle {
43 	bus_space_tag_t iot;		/* bus space tag (from chipset) */
44 	bus_space_handle_t ioh;		/* mapped space handle */
45 	bus_addr_t      addr;		/* resulting address in bus space */
46 	bus_size_t      size;		/* size of i/o space */
47 	int             flags;		/* misc. information */
48 };
49 
50 #define	PCMCIA_IO_ALLOCATED	0x01	/* i/o space was allocated */
51 
52 /*
53  * Contains information about allocated memory space.
54  */
55 struct pcmcia_mem_handle {
56 	bus_space_tag_t memt;		/* bus space tag (from chipset) */
57 	bus_space_handle_t memh;	/* mapped space handle */
58 	bus_addr_t      addr;		/* resulting address in bus space */
59 	bus_size_t      size;		/* size of mem space */
60 	pcmcia_mem_handle_t mhandle;	/* opaque memory handle */
61 	bus_size_t      realsize;	/* how much we really allocated */
62 };
63 
64 /* pcmcia itself */
65 
66 #define PCMCIA_CFE_MWAIT_REQUIRED	0x0001
67 #define PCMCIA_CFE_RDYBSY_ACTIVE	0x0002
68 #define PCMCIA_CFE_WP_ACTIVE		0x0004
69 #define PCMCIA_CFE_BVD_ACTIVE		0x0008
70 #define PCMCIA_CFE_IO8			0x0010
71 #define PCMCIA_CFE_IO16			0x0020
72 #define PCMCIA_CFE_IRQSHARE		0x0040
73 #define PCMCIA_CFE_IRQPULSE		0x0080
74 #define PCMCIA_CFE_IRQLEVEL		0x0100
75 #define PCMCIA_CFE_POWERDOWN		0x0200
76 #define PCMCIA_CFE_READONLY		0x0400
77 #define PCMCIA_CFE_AUDIO		0x0800
78 
79 struct pcmcia_config_entry {
80 	int		number;
81 	u_int32_t	flags;
82 	int		iftype;
83 	int		num_iospace;
84 
85 	/*
86 	 * The card will only decode this mask in any case, so we can
87 	 * do dynamic allocation with this in mind, in case the suggestions
88 	 * below are no good.
89 	 */
90 	u_long		iomask;
91 	struct {
92 		u_long	length;
93 		u_long	start;
94 	} iospace[4];		/* XXX this could be as high as 16 */
95 	u_int16_t	irqmask;
96 	int		num_memspace;
97 	struct {
98 		u_long	length;
99 		u_long	cardaddr;
100 		u_long	hostaddr;
101 	} memspace[2];		/* XXX this could be as high as 8 */
102 	int		maxtwins;
103 	SIMPLEQ_ENTRY(pcmcia_config_entry) cfe_list;
104 };
105 
106 
107 struct pcmcia_funce_disk {
108 	int pfd_interface;
109 };
110 
111 struct pcmcia_funce_lan {
112 	int pfl_nidlen;
113 	u_int8_t pfl_nid[8];
114 };
115 
116 union pcmcia_funce {
117 	struct pcmcia_funce_disk pfv_disk;
118 	struct pcmcia_funce_lan pfv_lan;
119 };
120 
121 
122 struct pcmcia_function {
123 	/* read off the card */
124 	int		number;
125 	int		function;
126 	int		last_config_index;
127 	u_long		ccr_base;
128 	u_long		ccr_mask;
129 	SIMPLEQ_HEAD(, pcmcia_config_entry) cfe_head;
130 	SIMPLEQ_ENTRY(pcmcia_function) pf_list;
131 	/* run-time state */
132 	struct pcmcia_softc *sc;
133 	struct device *child;
134 	struct pcmcia_config_entry *cfe;
135 	struct pcmcia_mem_handle pf_pcmh;
136 #define	pf_ccrt		pf_pcmh.memt
137 #define	pf_ccrh		pf_pcmh.memh
138 #define	pf_ccr_mhandle	pf_pcmh.mhandle
139 #define	pf_ccr_realsize	pf_pcmh.realsize
140 	bus_size_t	pf_ccr_offset;
141 	int		pf_ccr_window;
142 	long		pf_mfc_iobase;
143 	long		pf_mfc_iomax;
144 	int		(*ih_fct) __P((void *));
145 	void		*ih_arg;
146 	int		ih_ipl;
147 	int		pf_flags;
148 
149 	union pcmcia_funce pf_funce; /* CISTPL_FUNCE */
150 #define pf_funce_disk_interface pf_funce.pfv_disk.pfd_interface
151 #define pf_funce_lan_nid pf_funce.pfv_lan.pfl_nid
152 #define pf_funce_lan_nidlen pf_funce.pfv_lan.pfl_nidlen
153 };
154 
155 /* pf_flags */
156 #define	PFF_ENABLED	0x0001		/* function is enabled */
157 
158 SIMPLEQ_HEAD(pcmcia_function_head, pcmcia_function);
159 
160 struct pcmcia_card {
161 	int		cis1_major;
162 	int		cis1_minor;
163 	/* XXX waste of space? */
164 	char		cis1_info_buf[256];
165 	char		*cis1_info[4];
166 	/*
167 	 * Use int32_t for manufacturer and product so that they can
168 	 * hold the id value found in card CIS and special value that
169 	 * indicates no id was found.
170 	 */
171 	int32_t		manufacturer;
172 #define	PCMCIA_VENDOR_INVALID	-1
173 	int32_t		product;
174 #define	PCMCIA_PRODUCT_INVALID		-1
175 	u_int16_t	error;
176 #define	PCMCIA_CIS_INVALID		{ NULL, NULL, NULL, NULL }
177 	struct pcmcia_function_head	pf_head;
178 };
179 
180 struct pcmcia_softc {
181 	struct device	dev;
182 
183 	/* this stuff is for the socket */
184 	pcmcia_chipset_tag_t pct;
185 	pcmcia_chipset_handle_t pch;
186 
187 	/* this stuff is for the card */
188 	struct pcmcia_card card;
189 	void		*ih;
190 	int		sc_enabled_count;	/* how many functions are
191 						   enabled */
192 
193 	/*
194 	 * These are passed down from the PCMCIA chip, and exist only
195 	 * so that cards with Very Special address allocation needs
196 	 * know what range they should be dealing with.
197 	 */
198 	bus_addr_t iobase;		/* start i/o space allocation here */
199 	bus_size_t iosize;		/* size of the i/o space range */
200 };
201 
202 struct pcmcia_cis_quirk {
203 	int32_t manufacturer;
204 	int32_t product;
205 	const char *cis1_info[4];
206 	const struct pcmcia_function *pf;
207 	const struct pcmcia_config_entry *cfe;
208 };
209 
210 struct pcmcia_attach_args {
211 	int32_t manufacturer;
212 	int32_t product;
213 	struct pcmcia_card *card;
214 	struct pcmcia_function *pf;
215 };
216 
217 struct pcmcia_tuple {
218 	unsigned int	code;
219 	unsigned int	length;
220 	u_long		mult;
221 	bus_size_t	ptr;
222 	bus_space_tag_t	memt;
223 	bus_space_handle_t memh;
224 };
225 
226 struct pcmcia_product {
227 	const char	*pp_name;		/* NULL if end of table */
228 	u_int32_t	pp_vendor;
229 	u_int32_t	pp_product;
230 	int		pp_expfunc;
231 };
232 
233 typedef int (*pcmcia_product_match_fn) __P((struct pcmcia_attach_args *pa,
234     const struct pcmcia_product *ent, int vpfmatch));
235 
236 const struct pcmcia_product
237 	*pcmcia_product_lookup __P((struct pcmcia_attach_args *pa,
238 	    const struct pcmcia_product *tab, size_t ent_size,
239 	    pcmcia_product_match_fn matchfn));
240 
241 void	pcmcia_devinfo __P((struct pcmcia_card *card, int showhex, char *cp,
242 	    int cplen));
243 
244 void	pcmcia_read_cis __P((struct pcmcia_softc *));
245 void	pcmcia_check_cis_quirks __P((struct pcmcia_softc *));
246 void	pcmcia_print_cis __P((struct pcmcia_softc *));
247 int	pcmcia_scan_cis __P((struct device * dev,
248 	    int (*) (struct pcmcia_tuple *, void *), void *));
249 
250 #define	pcmcia_cis_read_1(tuple, idx0)					\
251 	(bus_space_read_1((tuple)->memt, (tuple)->memh, (tuple)->mult*(idx0)))
252 
253 #define	pcmcia_tuple_read_1(tuple, idx1)				\
254 	(pcmcia_cis_read_1((tuple), ((tuple)->ptr+(2+(idx1)))))
255 
256 #define	pcmcia_tuple_read_2(tuple, idx2)				\
257 	(pcmcia_tuple_read_1((tuple), (idx2)) | 			\
258 	 (pcmcia_tuple_read_1((tuple), (idx2)+1)<<8))
259 
260 #define	pcmcia_tuple_read_3(tuple, idx3)				\
261 	(pcmcia_tuple_read_1((tuple), (idx3)) |				\
262 	 (pcmcia_tuple_read_1((tuple), (idx3)+1)<<8) |			\
263 	 (pcmcia_tuple_read_1((tuple), (idx3)+2)<<16))
264 
265 #define	pcmcia_tuple_read_4(tuple, idx4)				\
266 	(pcmcia_tuple_read_1((tuple), (idx4)) |				\
267 	 (pcmcia_tuple_read_1((tuple), (idx4)+1)<<8) |			\
268 	 (pcmcia_tuple_read_1((tuple), (idx4)+2)<<16) |			\
269 	 (pcmcia_tuple_read_1((tuple), (idx4)+3)<<24))
270 
271 #define	pcmcia_tuple_read_n(tuple, n, idxn)				\
272 	(((n)==1)?pcmcia_tuple_read_1((tuple), (idxn)) :		\
273 	 (((n)==2)?pcmcia_tuple_read_2((tuple), (idxn)) :		\
274 	  (((n)==3)?pcmcia_tuple_read_3((tuple), (idxn)) :		\
275 	   /* n == 4 */ pcmcia_tuple_read_4((tuple), (idxn)))))
276 
277 #define	PCMCIA_SPACE_MEMORY	1
278 #define	PCMCIA_SPACE_IO		2
279 
280 int	pcmcia_ccr_read __P((struct pcmcia_function *, int));
281 void	pcmcia_ccr_write __P((struct pcmcia_function *, int, int));
282 
283 #define	pcmcia_mfc(sc)	(! SIMPLEQ_EMPTY(&(sc)->card.pf_head) &&	\
284 		 SIMPLEQ_NEXT(SIMPLEQ_FIRST(&(sc)->card.pf_head), pf_list))
285 
286 void	pcmcia_function_init __P((struct pcmcia_function *,
287 	    struct pcmcia_config_entry *));
288 int	pcmcia_function_enable __P((struct pcmcia_function *));
289 void	pcmcia_function_disable __P((struct pcmcia_function *));
290 
291 #define	pcmcia_io_alloc(pf, start, size, align, pciop)			\
292 	(pcmcia_chip_io_alloc((pf)->sc->pct, pf->sc->pch, (start),	\
293 	 (size), (align), (pciop)))
294 
295 #define	pcmcia_io_free(pf, pciohp)					\
296 	(pcmcia_chip_io_free((pf)->sc->pct, (pf)->sc->pch, (pciohp)))
297 
298 int	pcmcia_io_map __P((struct pcmcia_function *, int, bus_addr_t,
299 	    bus_size_t, struct pcmcia_io_handle *, int *));
300 void	pcmcia_io_unmap __P((struct pcmcia_function *, int));
301 
302 void	pcmcia_free_pf __P((struct pcmcia_function_head *));
303 
304 #define pcmcia_mem_alloc(pf, size, pcmhp)				\
305 	(pcmcia_chip_mem_alloc((pf)->sc->pct, (pf)->sc->pch, (size), (pcmhp)))
306 
307 #define pcmcia_mem_free(pf, pcmhp)					\
308 	(pcmcia_chip_mem_free((pf)->sc->pct, (pf)->sc->pch, (pcmhp)))
309 
310 #define pcmcia_mem_map(pf, kind, card_addr, size, pcmhp, offsetp, windowp) \
311 	(pcmcia_chip_mem_map((pf)->sc->pct, (pf)->sc->pch, (kind),	\
312 	 (card_addr), (size), (pcmhp), (offsetp), (windowp)))
313 
314 #define	pcmcia_mem_unmap(pf, window)					\
315 	(pcmcia_chip_mem_unmap((pf)->sc->pct, (pf)->sc->pch, (window)))
316 
317 void	*pcmcia_intr_establish __P((struct pcmcia_function *, int,
318 	    int (*) (void *), void *));
319 void 	pcmcia_intr_disestablish __P((struct pcmcia_function *, void *));
320