pcmciavar.h revision 1.7 1 /* $NetBSD: pcmciavar.h,v 1.7 1998/11/17 08:49:13 thorpej 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 <machine/bus.h>
36
37 #include <dev/pcmcia/pcmciachip.h>
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 struct pcmcia_function {
107 /* read off the card */
108 int number;
109 int function;
110 int last_config_index;
111 u_long ccr_base;
112 u_long ccr_mask;
113 SIMPLEQ_HEAD(, pcmcia_config_entry) cfe_head;
114 SIMPLEQ_ENTRY(pcmcia_function) pf_list;
115 /* run-time state */
116 struct pcmcia_softc *sc;
117 struct device *child;
118 struct pcmcia_config_entry *cfe;
119 struct pcmcia_mem_handle pf_pcmh;
120 #define pf_ccrt pf_pcmh.memt
121 #define pf_ccrh pf_pcmh.memh
122 #define pf_ccr_mhandle pf_pcmh.mhandle
123 #define pf_ccr_realsize pf_pcmh.realsize
124 bus_addr_t pf_ccr_offset;
125 int pf_ccr_window;
126 long pf_mfc_iobase;
127 long pf_mfc_iomax;
128 int (*ih_fct) __P((void *));
129 void *ih_arg;
130 int ih_ipl;
131 int pf_flags;
132 };
133
134 /* pf_flags */
135 #define PFF_ENABLED 0x0001 /* function is enabled */
136
137 struct pcmcia_card {
138 int cis1_major;
139 int cis1_minor;
140 /* XXX waste of space? */
141 char cis1_info_buf[256];
142 char *cis1_info[4];
143 /*
144 * Use int32_t for manufacturer and product so that they can
145 * hold the id value found in card CIS and special value that
146 * indicates no id was found.
147 */
148 int32_t manufacturer;
149 #define PCMCIA_VENDOR_INVALID -1
150 int32_t product;
151 #define PCMCIA_PRODUCT_INVALID -1
152 u_int16_t error;
153 #define PCMCIA_CIS_INVALID { NULL, NULL, NULL, NULL }
154 SIMPLEQ_HEAD(, pcmcia_function) pf_head;
155 };
156
157 struct pcmcia_softc {
158 struct device dev;
159
160 /* this stuff is for the socket */
161 pcmcia_chipset_tag_t pct;
162 pcmcia_chipset_handle_t pch;
163
164 /* this stuff is for the card */
165 struct pcmcia_card card;
166 void *ih;
167 int sc_enabled_count; /* how many functions are
168 enabled */
169
170 /*
171 * These are passed down from the PCMCIA chip, and exist only
172 * so that cards with Very Special address allocation needs
173 * know what range they should be dealing with.
174 */
175 bus_addr_t iobase; /* start i/o space allocation here */
176 bus_size_t iosize; /* size of the i/o space range */
177 };
178
179 struct pcmcia_attach_args {
180 int32_t manufacturer;
181 int32_t product;
182 struct pcmcia_card *card;
183 struct pcmcia_function *pf;
184 };
185
186 struct pcmcia_tuple {
187 unsigned int code;
188 unsigned int length;
189 u_long mult;
190 bus_addr_t ptr;
191 bus_space_tag_t memt;
192 bus_space_handle_t memh;
193 };
194
195 void pcmcia_read_cis __P((struct pcmcia_softc *));
196 void pcmcia_print_cis __P((struct pcmcia_softc *));
197 int pcmcia_scan_cis __P((struct device * dev,
198 int (*) (struct pcmcia_tuple *, void *), void *));
199
200 #define pcmcia_cis_read_1(tuple, idx0) \
201 (bus_space_read_1((tuple)->memt, (tuple)->memh, (tuple)->mult*(idx0)))
202
203 #define pcmcia_tuple_read_1(tuple, idx1) \
204 (pcmcia_cis_read_1((tuple), ((tuple)->ptr+(2+(idx1)))))
205
206 #define pcmcia_tuple_read_2(tuple, idx2) \
207 (pcmcia_tuple_read_1((tuple), (idx2)) | \
208 (pcmcia_tuple_read_1((tuple), (idx2)+1)<<8))
209
210 #define pcmcia_tuple_read_3(tuple, idx3) \
211 (pcmcia_tuple_read_1((tuple), (idx3)) | \
212 (pcmcia_tuple_read_1((tuple), (idx3)+1)<<8) | \
213 (pcmcia_tuple_read_1((tuple), (idx3)+2)<<16))
214
215 #define pcmcia_tuple_read_4(tuple, idx4) \
216 (pcmcia_tuple_read_1((tuple), (idx4)) | \
217 (pcmcia_tuple_read_1((tuple), (idx4)+1)<<8) | \
218 (pcmcia_tuple_read_1((tuple), (idx4)+2)<<16) | \
219 (pcmcia_tuple_read_1((tuple), (idx4)+3)<<24))
220
221 #define pcmcia_tuple_read_n(tuple, n, idxn) \
222 (((n)==1)?pcmcia_tuple_read_1((tuple), (idxn)) : \
223 (((n)==2)?pcmcia_tuple_read_2((tuple), (idxn)) : \
224 (((n)==3)?pcmcia_tuple_read_3((tuple), (idxn)) : \
225 /* n == 4 */ pcmcia_tuple_read_4((tuple), (idxn)))))
226
227 #define PCMCIA_SPACE_MEMORY 1
228 #define PCMCIA_SPACE_IO 2
229
230 int pcmcia_ccr_read __P((struct pcmcia_function *, int));
231 void pcmcia_ccr_write __P((struct pcmcia_function *, int, int));
232
233 #define pcmcia_mfc(sc) ((sc)->card.pf_head.sqh_first && \
234 (sc)->card.pf_head.sqh_first->pf_list.sqe_next)
235
236 void pcmcia_function_init __P((struct pcmcia_function *,
237 struct pcmcia_config_entry *));
238 int pcmcia_function_enable __P((struct pcmcia_function *));
239 void pcmcia_function_disable __P((struct pcmcia_function *));
240
241 #define pcmcia_io_alloc(pf, start, size, align, pciop) \
242 (pcmcia_chip_io_alloc((pf)->sc->pct, pf->sc->pch, (start), \
243 (size), (align), (pciop)))
244
245 #define pcmcia_io_free(pf, pciohp) \
246 (pcmcia_chip_io_free((pf)->sc->pct, (pf)->sc->pch, (pciohp)))
247
248 int pcmcia_io_map __P((struct pcmcia_function *, int, bus_addr_t,
249 bus_size_t, struct pcmcia_io_handle *, int *));
250 void pcmcia_io_unmap __P((struct pcmcia_function *, int));
251
252 #define pcmcia_mem_alloc(pf, size, pcmhp) \
253 (pcmcia_chip_mem_alloc((pf)->sc->pct, (pf)->sc->pch, (size), (pcmhp)))
254
255 #define pcmcia_mem_free(pf, pcmhp) \
256 (pcmcia_chip_mem_free((pf)->sc->pct, (pf)->sc->pch, (pcmhp)))
257
258 #define pcmcia_mem_map(pf, kind, card_addr, size, pcmhp, offsetp, windowp) \
259 (pcmcia_chip_mem_map((pf)->sc->pct, (pf)->sc->pch, (kind), \
260 (card_addr), (size), (pcmhp), (offsetp), (windowp)))
261
262 #define pcmcia_mem_unmap(pf, window) \
263 (pcmcia_chip_mem_unmap((pf)->sc->pct, (pf)->sc->pch, (window)))
264
265 void *pcmcia_intr_establish __P((struct pcmcia_function *, int,
266 int (*) (void *), void *));
267 void pcmcia_intr_disestablish __P((struct pcmcia_function *, void *));
268