1 /* $NetBSD: wdc_pcmcia.c,v 1.109 2007/10/19 12:01:06 ad Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 2003, 2004 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum, by Onno van der Linden and by Manuel Bouyer. 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 #include <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: wdc_pcmcia.c,v 1.109 2007/10/19 12:01:06 ad Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/device.h> 44 #include <sys/kernel.h> 45 #include <sys/malloc.h> 46 #include <sys/systm.h> 47 #include <sys/proc.h> 48 49 #include <sys/bus.h> 50 #include <sys/intr.h> 51 52 #include <dev/pcmcia/pcmciareg.h> 53 #include <dev/pcmcia/pcmciavar.h> 54 #include <dev/pcmcia/pcmciadevs.h> 55 56 #include <dev/ic/wdcreg.h> 57 #include <dev/ata/atavar.h> 58 #include <dev/ic/wdcvar.h> 59 60 #ifndef __BUS_SPACE_HAS_STREAM_METHODS 61 #define bus_space_write_multi_stream_2 bus_space_write_multi_2 62 #define bus_space_write_multi_stream_4 bus_space_write_multi_4 63 #define bus_space_read_multi_stream_2 bus_space_read_multi_2 64 #define bus_space_read_multi_stream_4 bus_space_read_multi_4 65 #endif /* __BUS_SPACE_HAS_STREAM_METHODS */ 66 67 #define WDC_PCMCIA_REG_NPORTS 8 68 #define WDC_PCMCIA_AUXREG_OFFSET (WDC_PCMCIA_REG_NPORTS + 6) 69 #define WDC_PCMCIA_AUXREG_NPORTS 2 70 71 struct wdc_pcmcia_softc { 72 struct wdc_softc sc_wdcdev; 73 struct ata_channel *wdc_chanlist[1]; 74 struct ata_channel ata_channel; 75 struct ata_queue wdc_chqueue; 76 struct wdc_regs wdc_regs; 77 78 struct pcmcia_function *sc_pf; 79 void *sc_ih; 80 81 int sc_state; 82 #define WDC_PCMCIA_ATTACHED 3 83 }; 84 85 #ifndef __BUS_SPACE_HAS_STREAM_METHODS 86 #define bus_space_read_region_stream_2 bus_space_read_region_2 87 #define bus_space_read_region_stream_4 bus_space_read_region_4 88 #define bus_space_write_region_stream_2 bus_space_write_region_2 89 #define bus_space_write_region_stream_4 bus_space_write_region_4 90 #endif /* __BUS_SPACE_HAS_STREAM_METHODS */ 91 92 static int wdc_pcmcia_match(struct device *, struct cfdata *, void *); 93 static int wdc_pcmcia_validate_config_io(struct pcmcia_config_entry *); 94 static int wdc_pcmcia_validate_config_memory(struct pcmcia_config_entry *); 95 static void wdc_pcmcia_attach(struct device *, struct device *, void *); 96 static int wdc_pcmcia_detach(struct device *, int); 97 98 CFATTACH_DECL(wdc_pcmcia, sizeof(struct wdc_pcmcia_softc), 99 wdc_pcmcia_match, wdc_pcmcia_attach, wdc_pcmcia_detach, wdcactivate); 100 101 static const struct wdc_pcmcia_product { 102 struct pcmcia_product wdc_product; 103 int wdc_ndrive; 104 } wdc_pcmcia_products[] = { 105 { { PCMCIA_VENDOR_DIGITAL, 106 PCMCIA_PRODUCT_DIGITAL_MOBILE_MEDIA_CDROM, 107 {NULL, "Digital Mobile Media CD-ROM", NULL, NULL} }, 2 }, 108 109 { { PCMCIA_VENDOR_IBM, 110 PCMCIA_PRODUCT_IBM_PORTABLE_CDROM, 111 {NULL, "PCMCIA Portable CD-ROM Drive", NULL, NULL} }, 2 }, 112 113 /* The TEAC IDE/Card II is used on the Sony Vaio */ 114 { { PCMCIA_VENDOR_TEAC, 115 PCMCIA_PRODUCT_TEAC_IDECARDII, 116 PCMCIA_CIS_TEAC_IDECARDII }, 2 }, 117 118 /* 119 * A fujitsu rebranded panasonic drive that reports 120 * itself as function "scsi", disk interface 0 121 */ 122 { { PCMCIA_VENDOR_PANASONIC, 123 PCMCIA_PRODUCT_PANASONIC_KXLC005, 124 PCMCIA_CIS_PANASONIC_KXLC005 }, 2 }, 125 126 { { PCMCIA_VENDOR_SANDISK, 127 PCMCIA_PRODUCT_SANDISK_SDCFB, 128 PCMCIA_CIS_SANDISK_SDCFB }, 1 }, 129 130 /* 131 * EXP IDE/ATAPI DVD Card use with some DVD players. 132 * Does not have a vendor ID or product ID. 133 */ 134 { { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, 135 PCMCIA_CIS_EXP_EXPMULTIMEDIA }, 2 }, 136 137 /* Mobile Dock 2, neither vendor ID nor product ID */ 138 { { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, 139 {"SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", NULL, NULL} }, 2 }, 140 141 /* Toshiba Portege 3110 CD, neither vendor ID nor product ID */ 142 { { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, 143 {"FREECOM", "PCCARD-IDE", NULL, NULL} }, 2 }, 144 145 /* Random CD-ROM, (badged AMACOM), neither vendor ID nor product ID */ 146 { { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, 147 {"PCMCIA", "CD-ROM", NULL, NULL} }, 2 }, 148 149 /* IO DATA CBIDE2, with neither vendor ID nor product ID */ 150 { { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, 151 PCMCIA_CIS_IODATA_CBIDE2 }, 2 }, 152 153 /* TOSHIBA PA2673U(IODATA_CBIDE2 OEM), */ 154 /* with neither vendor ID nor product ID */ 155 { { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, 156 PCMCIA_CIS_TOSHIBA_CBIDE2 }, 2 }, 157 158 /* 159 * Novac PCMCIA-IDE Card for HD530P IDE Box, 160 * with neither vendor ID nor product ID 161 */ 162 { { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, 163 {"PCMCIA", "PnPIDE", NULL, NULL} }, 2 }, 164 165 { { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, 166 {"PCMCIA", "IDE CARD", NULL, NULL} }, 2 }, 167 168 }; 169 static const size_t wdc_pcmcia_nproducts = 170 sizeof(wdc_pcmcia_products) / sizeof(wdc_pcmcia_products[0]); 171 172 static int wdc_pcmcia_enable(struct device *, int); 173 static void wdc_pcmcia_datain_memory(struct ata_channel *, int, void *, 174 size_t); 175 static void wdc_pcmcia_dataout_memory(struct ata_channel *, int, void *, 176 size_t); 177 178 static int 179 wdc_pcmcia_match(struct device *parent, struct cfdata *match, 180 void *aux) 181 { 182 struct pcmcia_attach_args *pa = aux; 183 184 if (pa->pf->function == PCMCIA_FUNCTION_DISK && 185 pa->pf->pf_funce_disk_interface == PCMCIA_TPLFE_DDI_PCCARD_ATA) 186 return (1); 187 if (pcmcia_product_lookup(pa, wdc_pcmcia_products, wdc_pcmcia_nproducts, 188 sizeof(wdc_pcmcia_products[0]), NULL)) 189 return (2); 190 return (0); 191 } 192 193 static int 194 wdc_pcmcia_validate_config_io(struct pcmcia_config_entry *cfe) 195 { 196 if (cfe->iftype != PCMCIA_IFTYPE_IO || 197 cfe->num_iospace < 1 || cfe->num_iospace > 2) 198 return (EINVAL); 199 cfe->num_memspace = 0; 200 return (0); 201 } 202 203 static int 204 wdc_pcmcia_validate_config_memory(struct pcmcia_config_entry *cfe) 205 { 206 if (cfe->iftype != PCMCIA_IFTYPE_MEMORY || 207 cfe->num_memspace > 1 || 208 cfe->memspace[0].length < 2048) 209 return (EINVAL); 210 cfe->num_iospace = 0; 211 return (0); 212 } 213 214 static void 215 wdc_pcmcia_attach(struct device *parent, struct device *self, 216 void *aux) 217 { 218 struct wdc_pcmcia_softc *sc = (void *)self; 219 struct pcmcia_attach_args *pa = aux; 220 struct pcmcia_config_entry *cfe; 221 struct wdc_regs *wdr; 222 const struct wdc_pcmcia_product *wdcp; 223 bus_size_t offset; 224 int i; 225 int error; 226 227 sc->sc_pf = pa->pf; 228 229 error = pcmcia_function_configure(pa->pf, 230 wdc_pcmcia_validate_config_io); 231 if (error) 232 /*XXXmem16|common*/ 233 error = pcmcia_function_configure(pa->pf, 234 wdc_pcmcia_validate_config_memory); 235 if (error) { 236 aprint_error("%s: configure failed, error=%d\n", self->dv_xname, 237 error); 238 return; 239 } 240 241 cfe = pa->pf->cfe; 242 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA16; 243 244 sc->sc_wdcdev.regs = wdr = &sc->wdc_regs; 245 246 if (cfe->iftype == PCMCIA_IFTYPE_MEMORY) { 247 wdr->cmd_iot = cfe->memspace[0].handle.memt; 248 wdr->cmd_baseioh = cfe->memspace[0].handle.memh; 249 offset = cfe->memspace[0].offset; 250 wdr->ctl_iot = cfe->memspace[0].handle.memt; 251 if (bus_space_subregion(cfe->memspace[0].handle.memt, 252 cfe->memspace[0].handle.memh, 253 offset + WDC_PCMCIA_AUXREG_OFFSET, WDC_PCMCIA_AUXREG_NPORTS, 254 &wdr->ctl_ioh)) 255 goto fail; 256 } else { 257 wdr->cmd_iot = cfe->iospace[0].handle.iot; 258 wdr->cmd_baseioh = cfe->iospace[0].handle.ioh; 259 offset = 0; 260 if (cfe->num_iospace == 1) { 261 wdr->ctl_iot = cfe->iospace[0].handle.iot; 262 if (bus_space_subregion(cfe->iospace[0].handle.iot, 263 cfe->iospace[0].handle.ioh, 264 WDC_PCMCIA_AUXREG_OFFSET, WDC_PCMCIA_AUXREG_NPORTS, 265 &wdr->ctl_ioh)) 266 goto fail; 267 } else { 268 wdr->ctl_iot = cfe->iospace[1].handle.iot; 269 wdr->ctl_ioh = cfe->iospace[1].handle.ioh; 270 } 271 } 272 273 for (i = 0; i < WDC_PCMCIA_REG_NPORTS; i++) { 274 if (bus_space_subregion(wdr->cmd_iot, 275 wdr->cmd_baseioh, 276 offset + i, i == 0 ? 4 : 1, 277 &wdr->cmd_iohs[i]) != 0) { 278 aprint_error("%s: can't subregion I/O space\n", 279 self->dv_xname); 280 goto fail; 281 } 282 } 283 284 if (cfe->iftype == PCMCIA_IFTYPE_MEMORY) { 285 aprint_normal("%s: memory mapped mode\n", self->dv_xname); 286 wdr->data32iot = cfe->memspace[0].handle.memt; 287 if (bus_space_subregion(cfe->memspace[0].handle.memt, 288 cfe->memspace[0].handle.memh, offset + 1024, 1024, 289 &wdr->data32ioh)) 290 goto fail; 291 sc->sc_wdcdev.datain_pio = wdc_pcmcia_datain_memory; 292 sc->sc_wdcdev.dataout_pio = wdc_pcmcia_dataout_memory; 293 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_NOIRQ; 294 } else { 295 aprint_normal("%s: i/o mapped mode\n", self->dv_xname); 296 wdr->data32iot = wdr->cmd_iot; 297 wdr->data32ioh = wdr->cmd_iohs[wd_data]; 298 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA32; 299 } 300 301 sc->sc_wdcdev.sc_atac.atac_pio_cap = 0; 302 sc->wdc_chanlist[0] = &sc->ata_channel; 303 sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanlist; 304 sc->sc_wdcdev.sc_atac.atac_nchannels = 1; 305 sc->ata_channel.ch_channel = 0; 306 sc->ata_channel.ch_atac = &sc->sc_wdcdev.sc_atac; 307 sc->ata_channel.ch_queue = &sc->wdc_chqueue; 308 wdcp = pcmcia_product_lookup(pa, wdc_pcmcia_products, 309 wdc_pcmcia_nproducts, sizeof(wdc_pcmcia_products[0]), NULL); 310 sc->ata_channel.ch_ndrive = wdcp ? wdcp->wdc_ndrive : 2; 311 wdc_init_shadow_regs(&sc->ata_channel); 312 313 error = wdc_pcmcia_enable(self, 1); 314 if (error) 315 goto fail; 316 317 /* We can enable and disable the controller. */ 318 sc->sc_wdcdev.sc_atac.atac_atapi_adapter._generic.adapt_enable = 319 wdc_pcmcia_enable; 320 sc->sc_wdcdev.sc_atac.atac_atapi_adapter._generic.adapt_refcnt = 1; 321 322 /* 323 * Some devices needs some more delay after power up to stabilize 324 * and probe properly, so give them half a second. 325 * See PR 25659 for details. 326 */ 327 config_pending_incr(); 328 tsleep(wdc_pcmcia_attach, PWAIT, "wdcattach", hz / 2); 329 330 wdcattach(&sc->ata_channel); 331 config_pending_decr(); 332 ata_delref(&sc->ata_channel); 333 sc->sc_state = WDC_PCMCIA_ATTACHED; 334 return; 335 336 fail: 337 pcmcia_function_unconfigure(pa->pf); 338 } 339 340 static int 341 wdc_pcmcia_detach(struct device *self, int flags) 342 { 343 struct wdc_pcmcia_softc *sc = (struct wdc_pcmcia_softc *)self; 344 int error; 345 346 if (sc->sc_state != WDC_PCMCIA_ATTACHED) 347 return (0); 348 349 if ((error = wdcdetach(self, flags)) != 0) 350 return (error); 351 352 pcmcia_function_unconfigure(sc->sc_pf); 353 354 return (0); 355 } 356 357 static int 358 wdc_pcmcia_enable(struct device *self, int onoff) 359 { 360 struct wdc_pcmcia_softc *sc = (void *)self; 361 int error; 362 363 if (onoff) { 364 /* Establish the interrupt handler. */ 365 sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO, 366 wdcintr, &sc->ata_channel); 367 if (!sc->sc_ih) 368 return (EIO); 369 370 error = pcmcia_function_enable(sc->sc_pf); 371 if (error) { 372 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 373 sc->sc_ih = 0; 374 return (error); 375 } 376 } else { 377 pcmcia_function_disable(sc->sc_pf); 378 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 379 sc->sc_ih = 0; 380 } 381 382 return (0); 383 } 384 385 static void 386 wdc_pcmcia_datain_memory(struct ata_channel *chp, int flags, void *buf, 387 size_t len) 388 { 389 struct wdc_regs *wdr = CHAN_TO_WDC_REGS(chp); 390 391 while (len > 0) { 392 size_t n; 393 394 n = min(len, 1024); 395 if ((flags & DRIVE_CAP32) && (n & 3) == 0) 396 bus_space_read_region_stream_4(wdr->data32iot, 397 wdr->data32ioh, 0, buf, n >> 2); 398 else 399 bus_space_read_region_stream_2(wdr->data32iot, 400 wdr->data32ioh, 0, buf, n >> 1); 401 buf = (char *)buf + n; 402 len -= n; 403 } 404 } 405 406 static void 407 wdc_pcmcia_dataout_memory(struct ata_channel *chp, int flags, void *buf, 408 size_t len) 409 { 410 struct wdc_regs *wdr = CHAN_TO_WDC_REGS(chp); 411 412 while (len > 0) { 413 size_t n; 414 415 n = min(len, 1024); 416 if ((flags & DRIVE_CAP32) && (n & 3) == 0) 417 bus_space_write_region_stream_4(wdr->data32iot, 418 wdr->data32ioh, 0, buf, n >> 2); 419 else 420 bus_space_write_region_stream_2(wdr->data32iot, 421 wdr->data32ioh, 0, buf, n >> 1); 422 buf = (char *)buf + n; 423 len -= n; 424 } 425 } 426