1 /* $NetBSD: pcmciavar.h,v 1.14 2001/01/18 20:28:26 jdolecek 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 extern int pcmcia_verbose; 40 41 /* 42 * Contains information about mapped/allocated i/o spaces. 43 */ 44 struct pcmcia_io_handle { 45 bus_space_tag_t iot; /* bus space tag (from chipset) */ 46 bus_space_handle_t ioh; /* mapped space handle */ 47 bus_addr_t addr; /* resulting address in bus space */ 48 bus_size_t size; /* size of i/o space */ 49 int flags; /* misc. information */ 50 }; 51 52 #define PCMCIA_IO_ALLOCATED 0x01 /* i/o space was allocated */ 53 54 /* 55 * Contains information about allocated memory space. 56 */ 57 struct pcmcia_mem_handle { 58 bus_space_tag_t memt; /* bus space tag (from chipset) */ 59 bus_space_handle_t memh; /* mapped space handle */ 60 bus_addr_t addr; /* resulting address in bus space */ 61 bus_size_t size; /* size of mem space */ 62 pcmcia_mem_handle_t mhandle; /* opaque memory handle */ 63 bus_size_t realsize; /* how much we really allocated */ 64 }; 65 66 /* pcmcia itself */ 67 68 #define PCMCIA_CFE_MWAIT_REQUIRED 0x0001 69 #define PCMCIA_CFE_RDYBSY_ACTIVE 0x0002 70 #define PCMCIA_CFE_WP_ACTIVE 0x0004 71 #define PCMCIA_CFE_BVD_ACTIVE 0x0008 72 #define PCMCIA_CFE_IO8 0x0010 73 #define PCMCIA_CFE_IO16 0x0020 74 #define PCMCIA_CFE_IRQSHARE 0x0040 75 #define PCMCIA_CFE_IRQPULSE 0x0080 76 #define PCMCIA_CFE_IRQLEVEL 0x0100 77 #define PCMCIA_CFE_POWERDOWN 0x0200 78 #define PCMCIA_CFE_READONLY 0x0400 79 #define PCMCIA_CFE_AUDIO 0x0800 80 81 struct pcmcia_config_entry { 82 int number; 83 u_int32_t flags; 84 int iftype; 85 int num_iospace; 86 87 /* 88 * The card will only decode this mask in any case, so we can 89 * do dynamic allocation with this in mind, in case the suggestions 90 * below are no good. 91 */ 92 u_long iomask; 93 struct { 94 u_long length; 95 u_long start; 96 } iospace[4]; /* XXX this could be as high as 16 */ 97 u_int16_t irqmask; 98 int num_memspace; 99 struct { 100 u_long length; 101 u_long cardaddr; 102 u_long hostaddr; 103 } memspace[2]; /* XXX this could be as high as 8 */ 104 int maxtwins; 105 SIMPLEQ_ENTRY(pcmcia_config_entry) cfe_list; 106 }; 107 108 109 struct pcmcia_funce_disk { 110 int pfd_interface; 111 }; 112 113 struct pcmcia_funce_lan { 114 int pfl_nidlen; 115 u_int8_t pfl_nid[8]; 116 }; 117 118 union pcmcia_funce { 119 struct pcmcia_funce_disk pfv_disk; 120 struct pcmcia_funce_lan pfv_lan; 121 }; 122 123 124 struct pcmcia_function { 125 /* read off the card */ 126 int number; 127 int function; 128 int last_config_index; 129 u_long ccr_base; 130 u_long ccr_mask; 131 SIMPLEQ_HEAD(, pcmcia_config_entry) cfe_head; 132 SIMPLEQ_ENTRY(pcmcia_function) pf_list; 133 /* run-time state */ 134 struct pcmcia_softc *sc; 135 struct device *child; 136 struct pcmcia_config_entry *cfe; 137 struct pcmcia_mem_handle pf_pcmh; 138 #define pf_ccrt pf_pcmh.memt 139 #define pf_ccrh pf_pcmh.memh 140 #define pf_ccr_mhandle pf_pcmh.mhandle 141 #define pf_ccr_realsize pf_pcmh.realsize 142 bus_addr_t pf_ccr_offset; 143 int pf_ccr_window; 144 long pf_mfc_iobase; 145 long pf_mfc_iomax; 146 int (*ih_fct) __P((void *)); 147 void *ih_arg; 148 int ih_ipl; 149 int pf_flags; 150 151 union pcmcia_funce pf_funce; /* CISTPL_FUNCE */ 152 #define pf_funce_disk_interface pf_funce.pfv_disk.pfd_interface 153 #define pf_funce_lan_nid pf_funce.pfv_lan.pfl_nid 154 #define pf_funce_lan_nidlen pf_funce.pfv_lan.pfl_nidlen 155 }; 156 157 /* pf_flags */ 158 #define PFF_ENABLED 0x0001 /* function is enabled */ 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 SIMPLEQ_HEAD(, pcmcia_function) 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_addr_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) ((sc)->card.pf_head.sqh_first && \ 284 (sc)->card.pf_head.sqh_first->pf_list.sqe_next) 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 #define pcmcia_mem_alloc(pf, size, pcmhp) \ 303 (pcmcia_chip_mem_alloc((pf)->sc->pct, (pf)->sc->pch, (size), (pcmhp))) 304 305 #define pcmcia_mem_free(pf, pcmhp) \ 306 (pcmcia_chip_mem_free((pf)->sc->pct, (pf)->sc->pch, (pcmhp))) 307 308 #define pcmcia_mem_map(pf, kind, card_addr, size, pcmhp, offsetp, windowp) \ 309 (pcmcia_chip_mem_map((pf)->sc->pct, (pf)->sc->pch, (kind), \ 310 (card_addr), (size), (pcmhp), (offsetp), (windowp))) 311 312 #define pcmcia_mem_unmap(pf, window) \ 313 (pcmcia_chip_mem_unmap((pf)->sc->pct, (pf)->sc->pch, (window))) 314 315 void *pcmcia_intr_establish __P((struct pcmcia_function *, int, 316 int (*) (void *), void *)); 317 void pcmcia_intr_disestablish __P((struct pcmcia_function *, void *)); 318