aupcmcia.c revision 1.1.2.2
1 1.1.2.2 yamt /* $NetBSD: aupcmcia.c,v 1.1.2.2 2006/03/01 09:27:59 yamt Exp $ */ 2 1.1.2.2 yamt 3 1.1.2.2 yamt /*- 4 1.1.2.2 yamt * Copyright (c) 2006 Itronix Inc. 5 1.1.2.2 yamt * All rights reserved. 6 1.1.2.2 yamt * 7 1.1.2.2 yamt * Written by Garrett D'Amore for Itronix Inc. 8 1.1.2.2 yamt * 9 1.1.2.2 yamt * Redistribution and use in source and binary forms, with or without 10 1.1.2.2 yamt * modification, are permitted provided that the following conditions 11 1.1.2.2 yamt * are met: 12 1.1.2.2 yamt * 1. Redistributions of source code must retain the above copyright 13 1.1.2.2 yamt * notice, this list of conditions and the following disclaimer. 14 1.1.2.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 15 1.1.2.2 yamt * notice, this list of conditions and the following disclaimer in the 16 1.1.2.2 yamt * documentation and/or other materials provided with the distribution. 17 1.1.2.2 yamt * 3. The name of Itronix Inc. may not be used to endorse 18 1.1.2.2 yamt * or promote products derived from this software without specific 19 1.1.2.2 yamt * prior written permission. 20 1.1.2.2 yamt * 21 1.1.2.2 yamt * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND 22 1.1.2.2 yamt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 1.1.2.2 yamt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 1.1.2.2 yamt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY 25 1.1.2.2 yamt * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 26 1.1.2.2 yamt * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 27 1.1.2.2 yamt * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 28 1.1.2.2 yamt * ON ANY THEORY OF LIABILITY, WHETHER IN 29 1.1.2.2 yamt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 1.1.2.2 yamt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 1.1.2.2 yamt * POSSIBILITY OF SUCH DAMAGE. 32 1.1.2.2 yamt */ 33 1.1.2.2 yamt 34 1.1.2.2 yamt /* #include "opt_pci.h" */ 35 1.1.2.2 yamt /* #include "pci.h" */ 36 1.1.2.2 yamt 37 1.1.2.2 yamt #include <sys/cdefs.h> 38 1.1.2.2 yamt __KERNEL_RCSID(0, "$NetBSD: aupcmcia.c,v 1.1.2.2 2006/03/01 09:27:59 yamt Exp $"); 39 1.1.2.2 yamt 40 1.1.2.2 yamt #include <sys/types.h> 41 1.1.2.2 yamt #include <sys/param.h> 42 1.1.2.2 yamt #include <sys/systm.h> 43 1.1.2.2 yamt #include <sys/errno.h> 44 1.1.2.2 yamt #include <sys/kernel.h> 45 1.1.2.2 yamt #include <sys/kthread.h> 46 1.1.2.2 yamt 47 1.1.2.2 yamt #include <dev/pcmcia/pcmciareg.h> 48 1.1.2.2 yamt #include <dev/pcmcia/pcmciavar.h> 49 1.1.2.2 yamt #include <dev/pcmcia/pcmciachip.h> 50 1.1.2.2 yamt 51 1.1.2.2 yamt #include <mips/alchemy/include/au_himem_space.h> 52 1.1.2.2 yamt #include <mips/alchemy/include/aubusvar.h> 53 1.1.2.2 yamt #include <mips/alchemy/include/aureg.h> 54 1.1.2.2 yamt #include <mips/alchemy/include/auvar.h> 55 1.1.2.2 yamt 56 1.1.2.2 yamt #include <mips/alchemy/dev/aupcmciareg.h> 57 1.1.2.2 yamt #include <mips/alchemy/dev/aupcmciavar.h> 58 1.1.2.2 yamt 59 1.1.2.2 yamt /* 60 1.1.2.2 yamt * Borrow PCMCIADEBUG for now. Generally aupcmcia is the only PCMCIA 61 1.1.2.2 yamt * host on these machines anyway. 62 1.1.2.2 yamt */ 63 1.1.2.2 yamt #ifdef PCMCIADEBUG 64 1.1.2.2 yamt int aupcm_debug = 1; 65 1.1.2.2 yamt #define DPRINTF(arg) if (aupcm_debug) printf arg 66 1.1.2.2 yamt #else 67 1.1.2.2 yamt #define DPRINTF(arg) 68 1.1.2.2 yamt #endif 69 1.1.2.2 yamt 70 1.1.2.2 yamt /* 71 1.1.2.2 yamt * And for information about mappings, etc. use this one. 72 1.1.2.2 yamt */ 73 1.1.2.2 yamt #ifdef AUPCMCIANOISY 74 1.1.2.2 yamt #define NOISY(arg) printf arg 75 1.1.2.2 yamt #else 76 1.1.2.2 yamt #define NOISY(arg) 77 1.1.2.2 yamt #endif 78 1.1.2.2 yamt 79 1.1.2.2 yamt /* 80 1.1.2.2 yamt * Note, we use prefix "aupcm" instead of "aupcmcia", even though our 81 1.1.2.2 yamt * driver is the latter, mostly because my fingers have trouble typing 82 1.1.2.2 yamt * the former. "aupcm" should be sufficiently unique to avoid 83 1.1.2.2 yamt * confusion. 84 1.1.2.2 yamt */ 85 1.1.2.2 yamt 86 1.1.2.2 yamt static int aupcm_mem_alloc(pcmcia_chipset_handle_t, bus_size_t, 87 1.1.2.2 yamt struct pcmcia_mem_handle *); 88 1.1.2.2 yamt static void aupcm_mem_free(pcmcia_chipset_handle_t, 89 1.1.2.2 yamt struct pcmcia_mem_handle *); 90 1.1.2.2 yamt static int aupcm_mem_map(pcmcia_chipset_handle_t, int, bus_addr_t, 91 1.1.2.2 yamt bus_size_t, struct pcmcia_mem_handle *, bus_size_t *, int *); 92 1.1.2.2 yamt static void aupcm_mem_unmap(pcmcia_chipset_handle_t, int); 93 1.1.2.2 yamt 94 1.1.2.2 yamt static int aupcm_io_alloc(pcmcia_chipset_handle_t, bus_addr_t, bus_size_t, 95 1.1.2.2 yamt bus_size_t, struct pcmcia_io_handle *); 96 1.1.2.2 yamt static void aupcm_io_free(pcmcia_chipset_handle_t, struct pcmcia_io_handle *); 97 1.1.2.2 yamt static int aupcm_io_map(pcmcia_chipset_handle_t, int, bus_addr_t, 98 1.1.2.2 yamt bus_size_t, struct pcmcia_io_handle *, int *); 99 1.1.2.2 yamt static void aupcm_io_unmap(pcmcia_chipset_handle_t, int); 100 1.1.2.2 yamt static void *aupcm_intr_establish(pcmcia_chipset_handle_t, 101 1.1.2.2 yamt struct pcmcia_function *, int, int (*)(void *), void *); 102 1.1.2.2 yamt static void aupcm_intr_disestablish(pcmcia_chipset_handle_t, void *); 103 1.1.2.2 yamt 104 1.1.2.2 yamt static void aupcm_slot_enable(pcmcia_chipset_handle_t); 105 1.1.2.2 yamt static void aupcm_slot_disable(pcmcia_chipset_handle_t); 106 1.1.2.2 yamt static void aupcm_slot_settype(pcmcia_chipset_handle_t, int); 107 1.1.2.2 yamt 108 1.1.2.2 yamt static int aupcm_match(struct device *, struct cfdata *, void *); 109 1.1.2.2 yamt static void aupcm_attach(struct device *, struct device *, void *); 110 1.1.2.2 yamt 111 1.1.2.2 yamt static void aupcm_create_thread(void *); 112 1.1.2.2 yamt static void aupcm_event_thread(void *); 113 1.1.2.2 yamt static int aupcm_card_intr(void *); 114 1.1.2.2 yamt static void aupcm_softintr(void *); 115 1.1.2.2 yamt static int aupcm_print(void *, const char *); 116 1.1.2.2 yamt 117 1.1.2.2 yamt struct aupcm_slot { 118 1.1.2.2 yamt struct aupcm_softc *as_softc; 119 1.1.2.2 yamt int as_slot; 120 1.1.2.2 yamt int as_status; 121 1.1.2.2 yamt int as_enabled; 122 1.1.2.2 yamt int (*as_intr)(void *); 123 1.1.2.2 yamt int as_card_irq; 124 1.1.2.2 yamt int as_status_irq; 125 1.1.2.2 yamt void *as_intrarg; 126 1.1.2.2 yamt void *as_softint; 127 1.1.2.2 yamt void *as_hardint; 128 1.1.2.2 yamt const char *as_name; 129 1.1.2.2 yamt bus_addr_t as_offset; 130 1.1.2.2 yamt struct mips_bus_space as_iot; 131 1.1.2.2 yamt struct mips_bus_space as_attrt; 132 1.1.2.2 yamt struct mips_bus_space as_memt; 133 1.1.2.2 yamt void *as_wins[AUPCMCIA_NWINS]; 134 1.1.2.2 yamt 135 1.1.2.2 yamt struct device *as_pcmcia; 136 1.1.2.2 yamt }; 137 1.1.2.2 yamt 138 1.1.2.2 yamt /* this structure needs to be exposed... */ 139 1.1.2.2 yamt struct aupcm_softc { 140 1.1.2.2 yamt struct device sc_dev; 141 1.1.2.2 yamt pcmcia_chipset_tag_t sc_pct; 142 1.1.2.2 yamt 143 1.1.2.2 yamt void (*sc_slot_enable)(int); 144 1.1.2.2 yamt void (*sc_slot_disable)(int); 145 1.1.2.2 yamt int (*sc_slot_status)(int); 146 1.1.2.2 yamt 147 1.1.2.2 yamt paddr_t sc_base; 148 1.1.2.2 yamt 149 1.1.2.2 yamt int sc_wake; 150 1.1.2.2 yamt struct proc *sc_thread; 151 1.1.2.2 yamt 152 1.1.2.2 yamt int sc_nslots; 153 1.1.2.2 yamt struct aupcm_slot sc_slots[AUPCMCIA_NSLOTS]; 154 1.1.2.2 yamt }; 155 1.1.2.2 yamt 156 1.1.2.2 yamt static struct pcmcia_chip_functions aupcm_functions = { 157 1.1.2.2 yamt aupcm_mem_alloc, 158 1.1.2.2 yamt aupcm_mem_free, 159 1.1.2.2 yamt aupcm_mem_map, 160 1.1.2.2 yamt aupcm_mem_unmap, 161 1.1.2.2 yamt 162 1.1.2.2 yamt aupcm_io_alloc, 163 1.1.2.2 yamt aupcm_io_free, 164 1.1.2.2 yamt aupcm_io_map, 165 1.1.2.2 yamt aupcm_io_unmap, 166 1.1.2.2 yamt 167 1.1.2.2 yamt aupcm_intr_establish, 168 1.1.2.2 yamt aupcm_intr_disestablish, 169 1.1.2.2 yamt 170 1.1.2.2 yamt aupcm_slot_enable, 171 1.1.2.2 yamt aupcm_slot_disable, 172 1.1.2.2 yamt aupcm_slot_settype, 173 1.1.2.2 yamt }; 174 1.1.2.2 yamt 175 1.1.2.2 yamt static struct mips_bus_space aupcm_memt; 176 1.1.2.2 yamt 177 1.1.2.2 yamt CFATTACH_DECL(aupcmcia, sizeof (struct aupcm_softc), 178 1.1.2.2 yamt aupcm_match, aupcm_attach, NULL, NULL); 179 1.1.2.2 yamt 180 1.1.2.2 yamt int 181 1.1.2.2 yamt aupcm_match(struct device *parent, struct cfdata *cf, void *aux) 182 1.1.2.2 yamt { 183 1.1.2.2 yamt struct aubus_attach_args *aa = aux; 184 1.1.2.2 yamt static int found = 0; 185 1.1.2.2 yamt 186 1.1.2.2 yamt if (found) 187 1.1.2.2 yamt return 0; 188 1.1.2.2 yamt 189 1.1.2.2 yamt if (strcmp(aa->aa_name, "aupcmcia") != 0) 190 1.1.2.2 yamt return 0; 191 1.1.2.2 yamt 192 1.1.2.2 yamt found = 1; 193 1.1.2.2 yamt 194 1.1.2.2 yamt return 1; 195 1.1.2.2 yamt } 196 1.1.2.2 yamt 197 1.1.2.2 yamt void 198 1.1.2.2 yamt aupcm_attach(struct device *parent, struct device *self, void *aux) 199 1.1.2.2 yamt { 200 1.1.2.2 yamt /* struct aubus_attach_args *aa = aux; */ 201 1.1.2.2 yamt struct aupcm_softc *sc = (struct aupcm_softc *)self; 202 1.1.2.2 yamt static int done = 0; 203 1.1.2.2 yamt int slot; 204 1.1.2.2 yamt struct aupcmcia_machdep *md; 205 1.1.2.2 yamt 206 1.1.2.2 yamt /* initialize bus space */ 207 1.1.2.2 yamt if (done) { 208 1.1.2.2 yamt /* there can be only one. */ 209 1.1.2.2 yamt return; 210 1.1.2.2 yamt } 211 1.1.2.2 yamt 212 1.1.2.2 yamt done = 1; 213 1.1.2.2 yamt /* 214 1.1.2.2 yamt * PCMCIA memory can live within pretty much the entire 32-bit 215 1.1.2.2 yamt * space, modulo 64 MB wraps. We don't have to support coexisting 216 1.1.2.2 yamt * DMA. 217 1.1.2.2 yamt */ 218 1.1.2.2 yamt au_himem_space_init(&aupcm_memt, "pcmciamem", 219 1.1.2.2 yamt PCMCIA_BASE, AUPCMCIA_ATTR_OFFSET, 0xffffffff, 220 1.1.2.2 yamt AU_HIMEM_SPACE_LITTLE_ENDIAN); 221 1.1.2.2 yamt 222 1.1.2.2 yamt if ((md = aupcmcia_machdep()) == NULL) { 223 1.1.2.2 yamt printf("\n%s:unable to get machdep structure\n", 224 1.1.2.2 yamt sc->sc_dev.dv_xname); 225 1.1.2.2 yamt return; 226 1.1.2.2 yamt } 227 1.1.2.2 yamt 228 1.1.2.2 yamt sc->sc_nslots = md->am_nslots; 229 1.1.2.2 yamt sc->sc_slot_enable = md->am_slot_enable; 230 1.1.2.2 yamt sc->sc_slot_disable = md->am_slot_disable; 231 1.1.2.2 yamt sc->sc_slot_status = md->am_slot_status; 232 1.1.2.2 yamt 233 1.1.2.2 yamt printf(": Alchemy PCMCIA, %d slots\n", sc->sc_nslots); 234 1.1.2.2 yamt 235 1.1.2.2 yamt sc->sc_pct = (pcmcia_chipset_tag_t)&aupcm_functions; 236 1.1.2.2 yamt 237 1.1.2.2 yamt for (slot = 0; slot < sc->sc_nslots; slot++) { 238 1.1.2.2 yamt struct aupcm_slot *sp; 239 1.1.2.2 yamt struct pcmciabus_attach_args paa; 240 1.1.2.2 yamt 241 1.1.2.2 yamt sp = &sc->sc_slots[slot]; 242 1.1.2.2 yamt sp->as_softc = sc; 243 1.1.2.2 yamt 244 1.1.2.2 yamt sp->as_slot = slot; 245 1.1.2.2 yamt sp->as_name = md->am_slot_name(slot); 246 1.1.2.2 yamt sp->as_offset = md->am_slot_offset(slot); 247 1.1.2.2 yamt sp->as_card_irq = md->am_slot_irq(slot, AUPCMCIA_IRQ_CARD); 248 1.1.2.2 yamt sp->as_status_irq = md->am_slot_irq(slot, 249 1.1.2.2 yamt AUPCMCIA_IRQ_INSERT); 250 1.1.2.2 yamt 251 1.1.2.2 yamt au_himem_space_init(&sp->as_attrt, "pcmciaattr", 252 1.1.2.2 yamt PCMCIA_BASE + sp->as_offset + AUPCMCIA_ATTR_OFFSET, 253 1.1.2.2 yamt 0, AUPCMCIA_MAP_SIZE, AU_HIMEM_SPACE_LITTLE_ENDIAN); 254 1.1.2.2 yamt 255 1.1.2.2 yamt au_himem_space_init(&sp->as_memt, "pcmciamem", 256 1.1.2.2 yamt PCMCIA_BASE + sp->as_offset + AUPCMCIA_MEM_OFFSET, 257 1.1.2.2 yamt 0, AUPCMCIA_MAP_SIZE, AU_HIMEM_SPACE_LITTLE_ENDIAN); 258 1.1.2.2 yamt 259 1.1.2.2 yamt au_himem_space_init(&sp->as_iot, "pcmciaio", 260 1.1.2.2 yamt PCMCIA_BASE + sp->as_offset + AUPCMCIA_IO_OFFSET, 261 1.1.2.2 yamt 0, AUPCMCIA_MAP_SIZE, 262 1.1.2.2 yamt AU_HIMEM_SPACE_LITTLE_ENDIAN | AU_HIMEM_SPACE_IO); 263 1.1.2.2 yamt 264 1.1.2.2 yamt sp->as_status = 0; 265 1.1.2.2 yamt 266 1.1.2.2 yamt paa.paa_busname = "pcmcia"; 267 1.1.2.2 yamt paa.pct = sc->sc_pct; 268 1.1.2.2 yamt paa.pch = (pcmcia_chipset_handle_t)sp; 269 1.1.2.2 yamt 270 1.1.2.2 yamt paa.iobase = 0; 271 1.1.2.2 yamt paa.iosize = AUPCMCIA_MAP_SIZE; 272 1.1.2.2 yamt 273 1.1.2.2 yamt sp->as_pcmcia = config_found(&sc->sc_dev, &paa, aupcm_print); 274 1.1.2.2 yamt 275 1.1.2.2 yamt /* if no pcmcia, make sure slot is powered down */ 276 1.1.2.2 yamt if (sp->as_pcmcia == NULL) { 277 1.1.2.2 yamt aupcm_slot_disable(sp); 278 1.1.2.2 yamt continue; 279 1.1.2.2 yamt } 280 1.1.2.2 yamt 281 1.1.2.2 yamt /* this makes sure we probe the slot */ 282 1.1.2.2 yamt sc->sc_wake |= (1 << slot); 283 1.1.2.2 yamt } 284 1.1.2.2 yamt 285 1.1.2.2 yamt /* 286 1.1.2.2 yamt * XXX: this would be an excellent time time to establish a handler 287 1.1.2.2 yamt * for the card insertion interrupt, but that's edge triggered, and 288 1.1.2.2 yamt * au_icu.c won't support it right now. We poll in the event thread 289 1.1.2.2 yamt * for now. Start by initializing it now. 290 1.1.2.2 yamt */ 291 1.1.2.2 yamt kthread_create(aupcm_create_thread, sc); 292 1.1.2.2 yamt } 293 1.1.2.2 yamt 294 1.1.2.2 yamt int 295 1.1.2.2 yamt aupcm_print(void *aux, const char *pnp) 296 1.1.2.2 yamt { 297 1.1.2.2 yamt struct pcmciabus_attach_args *paa = aux; 298 1.1.2.2 yamt struct aupcm_slot *sp = paa->pch; 299 1.1.2.2 yamt 300 1.1.2.2 yamt printf(" socket %d irq %d, %s", sp->as_slot, sp->as_card_irq, 301 1.1.2.2 yamt sp->as_name); 302 1.1.2.2 yamt 303 1.1.2.2 yamt return (UNCONF); 304 1.1.2.2 yamt } 305 1.1.2.2 yamt 306 1.1.2.2 yamt void * 307 1.1.2.2 yamt aupcm_intr_establish(pcmcia_chipset_handle_t pch, 308 1.1.2.2 yamt struct pcmcia_function *pf, int level, int (*handler)(void *), void *arg) 309 1.1.2.2 yamt { 310 1.1.2.2 yamt struct aupcm_slot *sp = (struct aupcm_slot *)pch; 311 1.1.2.2 yamt int s; 312 1.1.2.2 yamt 313 1.1.2.2 yamt /* 314 1.1.2.2 yamt * Hmm. perhaps this intr should be a list. well, PCMCIA 315 1.1.2.2 yamt * devices generally only have one interrupt, and so should 316 1.1.2.2 yamt * generally have only one handler. So we leave it for now. 317 1.1.2.2 yamt * (Other PCMCIA bus drivers do it this way.) 318 1.1.2.2 yamt */ 319 1.1.2.2 yamt sp->as_intr = handler; 320 1.1.2.2 yamt sp->as_intrarg = arg; 321 1.1.2.2 yamt 322 1.1.2.2 yamt /* 323 1.1.2.2 yamt * XXX: pil must be a software interrupt level. That 324 1.1.2.2 yamt * automatically implies that it is lower than any other 325 1.1.2.2 yamt * hardware interrupts. So trying to figure out which level 326 1.1.2.2 yamt * (IPL_SOFTNET, IPL_SOFTSERIAL, etc.) doesn't really do 327 1.1.2.2 yamt * anything for us. 328 1.1.2.2 yamt */ 329 1.1.2.2 yamt sp->as_softint = softintr_establish(IPL_SOFT, aupcm_softintr, sp); 330 1.1.2.2 yamt 331 1.1.2.2 yamt printf("slot %d interrupting on irq %d\n", 332 1.1.2.2 yamt sp->as_slot, (int)sp->as_card_irq); 333 1.1.2.2 yamt 334 1.1.2.2 yamt /* set up hard interrupt handler for the card IRQs */ 335 1.1.2.2 yamt s = splhigh(); 336 1.1.2.2 yamt sp->as_hardint = au_intr_establish(sp->as_card_irq, 0, 337 1.1.2.2 yamt IPL_NONE, IST_LEVEL_LOW, aupcm_card_intr, sp); 338 1.1.2.2 yamt /* if card is not powered up, then leave the IRQ masked */ 339 1.1.2.2 yamt if (!sp->as_enabled) { 340 1.1.2.2 yamt au_intr_disable(sp->as_card_irq); 341 1.1.2.2 yamt } 342 1.1.2.2 yamt splx(s); 343 1.1.2.2 yamt 344 1.1.2.2 yamt return (sp->as_softint); 345 1.1.2.2 yamt } 346 1.1.2.2 yamt 347 1.1.2.2 yamt void 348 1.1.2.2 yamt aupcm_intr_disestablish(pcmcia_chipset_handle_t pch, void *ih) 349 1.1.2.2 yamt { 350 1.1.2.2 yamt struct aupcm_slot *sp = (struct aupcm_slot *)pch; 351 1.1.2.2 yamt 352 1.1.2.2 yamt KASSERT(sp->as_softint == ih); 353 1.1.2.2 yamt /* KASSERT(sp->as_hardint); */ 354 1.1.2.2 yamt /* set up hard interrupt handler for the card IRQs */ 355 1.1.2.2 yamt 356 1.1.2.2 yamt au_intr_disestablish(sp->as_hardint); 357 1.1.2.2 yamt sp->as_hardint = 0; 358 1.1.2.2 yamt 359 1.1.2.2 yamt softintr_disestablish(ih); 360 1.1.2.2 yamt sp->as_softint = 0; 361 1.1.2.2 yamt sp->as_intr = NULL; 362 1.1.2.2 yamt sp->as_intrarg = NULL; 363 1.1.2.2 yamt } 364 1.1.2.2 yamt 365 1.1.2.2 yamt void 366 1.1.2.2 yamt aupcm_create_thread(void *arg) 367 1.1.2.2 yamt { 368 1.1.2.2 yamt struct aupcm_softc *sc = arg; 369 1.1.2.2 yamt const char *name = sc->sc_dev.dv_xname; 370 1.1.2.2 yamt 371 1.1.2.2 yamt if (kthread_create1(aupcm_event_thread, sc, 372 1.1.2.2 yamt &sc->sc_thread, "%s", name) != 0) 373 1.1.2.2 yamt panic("%s: unable to create event kthread", name); 374 1.1.2.2 yamt } 375 1.1.2.2 yamt 376 1.1.2.2 yamt /* 377 1.1.2.2 yamt * FYI: Hot detach of PCMCIA is supposedly safe because H/W doesn't 378 1.1.2.2 yamt * fault on accesses to missing hardware. 379 1.1.2.2 yamt */ 380 1.1.2.2 yamt void 381 1.1.2.2 yamt aupcm_event_thread(void *arg) 382 1.1.2.2 yamt { 383 1.1.2.2 yamt struct aupcm_softc *sc = arg; 384 1.1.2.2 yamt struct aupcm_slot *sp; 385 1.1.2.2 yamt int s, i, attach, detach; 386 1.1.2.2 yamt 387 1.1.2.2 yamt for (;;) { 388 1.1.2.2 yamt s = splhigh(); 389 1.1.2.2 yamt if (sc->sc_wake == 0) { 390 1.1.2.2 yamt splx(s); 391 1.1.2.2 yamt /* 392 1.1.2.2 yamt * XXX: Currently, the au_icu.c lacks support 393 1.1.2.2 yamt * for edge-triggered interrupts. So we 394 1.1.2.2 yamt * cannot really use the status change 395 1.1.2.2 yamt * inerrupts. For now we poll (once per sec). 396 1.1.2.2 yamt * FYI, Linux does it this way, and they *do* 397 1.1.2.2 yamt * have support for edge triggered interrupts. 398 1.1.2.2 yamt * Go figure. 399 1.1.2.2 yamt */ 400 1.1.2.2 yamt tsleep(&sc->sc_wake, PWAIT, "aupcm_event", hz); 401 1.1.2.2 yamt } 402 1.1.2.2 yamt sc->sc_wake = 0; 403 1.1.2.2 yamt 404 1.1.2.2 yamt attach = detach = 0; 405 1.1.2.2 yamt for (i = 0; i < sc->sc_nslots; i++) { 406 1.1.2.2 yamt sp = &sc->sc_slots[i]; 407 1.1.2.2 yamt 408 1.1.2.2 yamt if (sc->sc_slot_status(sp->as_slot) != 0) { 409 1.1.2.2 yamt if (!sp->as_status) { 410 1.1.2.2 yamt DPRINTF(("%s: card %d insertion\n", 411 1.1.2.2 yamt sc->sc_dev.dv_xname, i)); 412 1.1.2.2 yamt attach |= (1 << i); 413 1.1.2.2 yamt sp->as_status = 1; 414 1.1.2.2 yamt } 415 1.1.2.2 yamt } else { 416 1.1.2.2 yamt if (sp->as_status) { 417 1.1.2.2 yamt DPRINTF(("%s: card %d removal\n", 418 1.1.2.2 yamt sc->sc_dev.dv_xname, i)); 419 1.1.2.2 yamt detach |= (1 << i); 420 1.1.2.2 yamt sp->as_status = 0; 421 1.1.2.2 yamt } 422 1.1.2.2 yamt } 423 1.1.2.2 yamt } 424 1.1.2.2 yamt splx(s); 425 1.1.2.2 yamt 426 1.1.2.2 yamt for (i = 0; i < sc->sc_nslots; i++) { 427 1.1.2.2 yamt sp = &sc->sc_slots[i]; 428 1.1.2.2 yamt 429 1.1.2.2 yamt if (detach & (1 << i)) { 430 1.1.2.2 yamt aupcm_slot_disable(sp); 431 1.1.2.2 yamt pcmcia_card_detach(sp->as_pcmcia, 432 1.1.2.2 yamt DETACH_FORCE); 433 1.1.2.2 yamt } else if (attach & (1 << i)) { 434 1.1.2.2 yamt /* 435 1.1.2.2 yamt * until the function is enabled, don't 436 1.1.2.2 yamt * honor interrupts 437 1.1.2.2 yamt */ 438 1.1.2.2 yamt sp->as_enabled = 0; 439 1.1.2.2 yamt au_intr_disable(sp->as_card_irq); 440 1.1.2.2 yamt pcmcia_card_attach(sp->as_pcmcia); 441 1.1.2.2 yamt } 442 1.1.2.2 yamt } 443 1.1.2.2 yamt } 444 1.1.2.2 yamt } 445 1.1.2.2 yamt 446 1.1.2.2 yamt #if 0 447 1.1.2.2 yamt void 448 1.1.2.2 yamt aupcm_status_intr(void *arg) 449 1.1.2.2 yamt { 450 1.1.2.2 yamt int s; 451 1.1.2.2 yamt struct aupcm_softc *sc = arg; 452 1.1.2.2 yamt 453 1.1.2.2 yamt s = splhigh(); 454 1.1.2.2 yamt 455 1.1.2.2 yamt /* kick the status thread so it does its bit */ 456 1.1.2.2 yamt sc->sc_wake = 1; 457 1.1.2.2 yamt wakeup(&sc->sc_wake); 458 1.1.2.2 yamt 459 1.1.2.2 yamt splx(s); 460 1.1.2.2 yamt } 461 1.1.2.2 yamt #endif 462 1.1.2.2 yamt 463 1.1.2.2 yamt int 464 1.1.2.2 yamt aupcm_card_intr(void *arg) 465 1.1.2.2 yamt { 466 1.1.2.2 yamt struct aupcm_slot *sp = arg; 467 1.1.2.2 yamt 468 1.1.2.2 yamt /* disable the hard interrupt for now */ 469 1.1.2.2 yamt au_intr_disable(sp->as_card_irq); 470 1.1.2.2 yamt 471 1.1.2.2 yamt if (sp->as_intr != NULL) { 472 1.1.2.2 yamt softintr_schedule(sp->as_softint); 473 1.1.2.2 yamt } 474 1.1.2.2 yamt 475 1.1.2.2 yamt return 1; 476 1.1.2.2 yamt } 477 1.1.2.2 yamt 478 1.1.2.2 yamt void 479 1.1.2.2 yamt aupcm_softintr(void *arg) 480 1.1.2.2 yamt { 481 1.1.2.2 yamt struct aupcm_slot *sp = arg; 482 1.1.2.2 yamt int s; 483 1.1.2.2 yamt 484 1.1.2.2 yamt sp->as_intr(sp->as_intrarg); 485 1.1.2.2 yamt 486 1.1.2.2 yamt s = splhigh(); 487 1.1.2.2 yamt 488 1.1.2.2 yamt if (sp->as_intr && sp->as_enabled) { 489 1.1.2.2 yamt au_intr_enable(sp->as_card_irq); 490 1.1.2.2 yamt } 491 1.1.2.2 yamt 492 1.1.2.2 yamt splx(s); 493 1.1.2.2 yamt } 494 1.1.2.2 yamt 495 1.1.2.2 yamt void 496 1.1.2.2 yamt aupcm_slot_enable(pcmcia_chipset_handle_t pch) 497 1.1.2.2 yamt { 498 1.1.2.2 yamt struct aupcm_slot *sp = (struct aupcm_slot *)pch; 499 1.1.2.2 yamt int s; 500 1.1.2.2 yamt 501 1.1.2.2 yamt /* no interrupts while we reset the card, please */ 502 1.1.2.2 yamt if (sp->as_intr) 503 1.1.2.2 yamt au_intr_disable(sp->as_card_irq); 504 1.1.2.2 yamt 505 1.1.2.2 yamt /* 506 1.1.2.2 yamt * XXX: should probably lock to make sure slot_disable and 507 1.1.2.2 yamt * enable not called together. However, i believe that the 508 1.1.2.2 yamt * event thread basically serializes them anyway. 509 1.1.2.2 yamt */ 510 1.1.2.2 yamt 511 1.1.2.2 yamt sp->as_softc->sc_slot_enable(sp->as_slot); 512 1.1.2.2 yamt /* card is powered up now, honor device interrupts */ 513 1.1.2.2 yamt 514 1.1.2.2 yamt s = splhigh(); 515 1.1.2.2 yamt sp->as_enabled = 1; 516 1.1.2.2 yamt if (sp->as_intr) 517 1.1.2.2 yamt au_intr_enable(sp->as_card_irq); 518 1.1.2.2 yamt splx(s); 519 1.1.2.2 yamt } 520 1.1.2.2 yamt 521 1.1.2.2 yamt void 522 1.1.2.2 yamt aupcm_slot_disable(pcmcia_chipset_handle_t pch) 523 1.1.2.2 yamt { 524 1.1.2.2 yamt struct aupcm_slot *sp = (struct aupcm_slot *)pch; 525 1.1.2.2 yamt int s; 526 1.1.2.2 yamt 527 1.1.2.2 yamt s = splhigh(); 528 1.1.2.2 yamt au_intr_disable(sp->as_card_irq); 529 1.1.2.2 yamt sp->as_enabled = 0; 530 1.1.2.2 yamt splx(s); 531 1.1.2.2 yamt 532 1.1.2.2 yamt sp->as_softc->sc_slot_disable(sp->as_slot); 533 1.1.2.2 yamt } 534 1.1.2.2 yamt 535 1.1.2.2 yamt void 536 1.1.2.2 yamt aupcm_slot_settype(pcmcia_chipset_handle_t pch, int type) 537 1.1.2.2 yamt { 538 1.1.2.2 yamt /* we do nothing now : type == PCMCIA_IFTYPE_IO */ 539 1.1.2.2 yamt } 540 1.1.2.2 yamt 541 1.1.2.2 yamt int 542 1.1.2.2 yamt aupcm_mem_alloc(pcmcia_chipset_handle_t pch, bus_size_t size, 543 1.1.2.2 yamt struct pcmcia_mem_handle *pcmh) 544 1.1.2.2 yamt { 545 1.1.2.2 yamt pcmh->memt = NULL; 546 1.1.2.2 yamt pcmh->size = pcmh->realsize = size; 547 1.1.2.2 yamt pcmh->addr = 0; 548 1.1.2.2 yamt pcmh->mhandle = 0; 549 1.1.2.2 yamt 550 1.1.2.2 yamt return 0; 551 1.1.2.2 yamt } 552 1.1.2.2 yamt 553 1.1.2.2 yamt void 554 1.1.2.2 yamt aupcm_mem_free(pcmcia_chipset_handle_t pch, struct pcmcia_mem_handle *pcmh) 555 1.1.2.2 yamt { 556 1.1.2.2 yamt /* nothing to do */ 557 1.1.2.2 yamt } 558 1.1.2.2 yamt 559 1.1.2.2 yamt int 560 1.1.2.2 yamt aupcm_mem_map(pcmcia_chipset_handle_t pch, int kind, bus_addr_t addr, 561 1.1.2.2 yamt bus_size_t size, struct pcmcia_mem_handle *pcmh, bus_size_t *offsetp, 562 1.1.2.2 yamt int *windowp) 563 1.1.2.2 yamt { 564 1.1.2.2 yamt struct aupcm_slot *sp = (struct aupcm_slot *)pch; 565 1.1.2.2 yamt int win, err; 566 1.1.2.2 yamt int s; 567 1.1.2.2 yamt 568 1.1.2.2 yamt s = splhigh(); 569 1.1.2.2 yamt for (win = 0; win < AUPCMCIA_NWINS; win++) { 570 1.1.2.2 yamt if (sp->as_wins[win] == NULL) { 571 1.1.2.2 yamt sp->as_wins[win] = pcmh; 572 1.1.2.2 yamt break; 573 1.1.2.2 yamt } 574 1.1.2.2 yamt } 575 1.1.2.2 yamt splx(s); 576 1.1.2.2 yamt 577 1.1.2.2 yamt if (win >= AUPCMCIA_NWINS) { 578 1.1.2.2 yamt return ENOMEM; 579 1.1.2.2 yamt } 580 1.1.2.2 yamt 581 1.1.2.2 yamt if (kind & PCMCIA_MEM_ATTR) { 582 1.1.2.2 yamt pcmh->memt = &sp->as_attrt; 583 1.1.2.2 yamt NOISY(("mapping ATTR addr %x size %x\n", (uint32_t)addr, 584 1.1.2.2 yamt (uint32_t)size)); 585 1.1.2.2 yamt } else { 586 1.1.2.2 yamt pcmh->memt = &sp->as_memt; 587 1.1.2.2 yamt NOISY(("mapping MEMORY addr %x size %x\n", (uint32_t)addr, 588 1.1.2.2 yamt (uint32_t)size)); 589 1.1.2.2 yamt } 590 1.1.2.2 yamt 591 1.1.2.2 yamt if ((size + addr) > (64 * 1024 * 1024)) 592 1.1.2.2 yamt return EINVAL; 593 1.1.2.2 yamt 594 1.1.2.2 yamt pcmh->size = size; 595 1.1.2.2 yamt 596 1.1.2.2 yamt err = bus_space_map(pcmh->memt, addr, size, 0, &pcmh->memh); 597 1.1.2.2 yamt if (err != 0) { 598 1.1.2.2 yamt sp->as_wins[win] = NULL; 599 1.1.2.2 yamt return err; 600 1.1.2.2 yamt } 601 1.1.2.2 yamt *offsetp = 0; 602 1.1.2.2 yamt *windowp = win; 603 1.1.2.2 yamt 604 1.1.2.2 yamt return 0; 605 1.1.2.2 yamt } 606 1.1.2.2 yamt 607 1.1.2.2 yamt void 608 1.1.2.2 yamt aupcm_mem_unmap(pcmcia_chipset_handle_t pch, int win) 609 1.1.2.2 yamt { 610 1.1.2.2 yamt struct aupcm_slot *sp = (struct aupcm_slot *)pch; 611 1.1.2.2 yamt struct pcmcia_mem_handle *pcmh; 612 1.1.2.2 yamt 613 1.1.2.2 yamt pcmh = (struct pcmcia_mem_handle *)sp->as_wins[win]; 614 1.1.2.2 yamt sp->as_wins[win] = NULL; 615 1.1.2.2 yamt 616 1.1.2.2 yamt NOISY(("memory umap virtual %x\n", (uint32_t)pcmh->memh)); 617 1.1.2.2 yamt bus_space_unmap(pcmh->memt, pcmh->memh, pcmh->size); 618 1.1.2.2 yamt pcmh->memt = NULL; 619 1.1.2.2 yamt } 620 1.1.2.2 yamt 621 1.1.2.2 yamt int 622 1.1.2.2 yamt aupcm_io_alloc(pcmcia_chipset_handle_t pch, bus_addr_t start, 623 1.1.2.2 yamt bus_size_t size, bus_size_t align, struct pcmcia_io_handle *pih) 624 1.1.2.2 yamt { 625 1.1.2.2 yamt struct aupcm_slot *sp = (struct aupcm_slot *)pch; 626 1.1.2.2 yamt bus_space_handle_t bush; 627 1.1.2.2 yamt int err; 628 1.1.2.2 yamt 629 1.1.2.2 yamt pih->iot = &sp->as_iot; 630 1.1.2.2 yamt pih->size = size; 631 1.1.2.2 yamt pih->flags = 0; 632 1.1.2.2 yamt 633 1.1.2.2 yamt /* 634 1.1.2.2 yamt * start from the initial offset - this gets us a slot 635 1.1.2.2 yamt * specific address, while still leaving the addresses more or 636 1.1.2.2 yamt * less zero-based which is required for x86-style device 637 1.1.2.2 yamt * drivers. 638 1.1.2.2 yamt */ 639 1.1.2.2 yamt err = bus_space_alloc(pih->iot, start, 0x100000, 640 1.1.2.2 yamt size, align, 0, 0, &pih->addr, &bush); 641 1.1.2.2 yamt NOISY(("start = %x, addr = %x, size = %x, bush = %x\n", 642 1.1.2.2 yamt (uint32_t)start, (uint32_t)pih->addr, (uint32_t)size, 643 1.1.2.2 yamt (uint32_t)bush)); 644 1.1.2.2 yamt 645 1.1.2.2 yamt /* and we convert it back */ 646 1.1.2.2 yamt if (err == 0) { 647 1.1.2.2 yamt pih->ihandle = (void *)bush; 648 1.1.2.2 yamt } 649 1.1.2.2 yamt 650 1.1.2.2 yamt return (err); 651 1.1.2.2 yamt } 652 1.1.2.2 yamt 653 1.1.2.2 yamt void 654 1.1.2.2 yamt aupcm_io_free(pcmcia_chipset_handle_t pch, struct pcmcia_io_handle *pih) 655 1.1.2.2 yamt { 656 1.1.2.2 yamt bus_space_free(pih->iot, (bus_space_handle_t)pih->ihandle, 657 1.1.2.2 yamt pih->size); 658 1.1.2.2 yamt } 659 1.1.2.2 yamt 660 1.1.2.2 yamt int 661 1.1.2.2 yamt aupcm_io_map(pcmcia_chipset_handle_t pch, int width, bus_addr_t offset, 662 1.1.2.2 yamt bus_size_t size, struct pcmcia_io_handle *pih, int *windowp) 663 1.1.2.2 yamt { 664 1.1.2.2 yamt int err; 665 1.1.2.2 yamt 666 1.1.2.2 yamt err = bus_space_subregion(pih->iot, (bus_space_handle_t)pih->ihandle, 667 1.1.2.2 yamt offset, size, &pih->ioh); 668 1.1.2.2 yamt NOISY(("io map offset = %x, size = %x, ih = %x, hdl=%x\n", 669 1.1.2.2 yamt (uint32_t)offset, (uint32_t)size, 670 1.1.2.2 yamt (uint32_t)pih->ihandle, (uint32_t)pih->ioh)); 671 1.1.2.2 yamt 672 1.1.2.2 yamt return err; 673 1.1.2.2 yamt } 674 1.1.2.2 yamt 675 1.1.2.2 yamt void 676 1.1.2.2 yamt aupcm_io_unmap(pcmcia_chipset_handle_t pch, int win) 677 1.1.2.2 yamt { 678 1.1.2.2 yamt /* We mustn't unmap/free subregion bus space! */ 679 1.1.2.2 yamt NOISY(("io unmap\n")); 680 1.1.2.2 yamt } 681
Indexes created Wed Oct 22 13:09:56 GMT 2025