1 /* $NetBSD: wdc_pcmcia.c,v 1.104 2006/01/22 00:08:38 christos 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 1.104 2006/01/22 00:08:38 christos 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 <machine/bus.h> 50 #include <machine/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 static const size_t wdc_pcmcia_nproducts = 166 sizeof(wdc_pcmcia_products) / sizeof(wdc_pcmcia_products[0]); 167 168 static int wdc_pcmcia_enable(struct device *, int); 169 static void wdc_pcmcia_datain_memory(struct ata_channel *, int, void *, 170 size_t); 171 static void wdc_pcmcia_dataout_memory(struct ata_channel *, int, void *, 172 size_t); 173 174 static int 175 wdc_pcmcia_match(struct device *parent, struct cfdata *match, void *aux) 176 { 177 struct pcmcia_attach_args *pa = aux; 178 179 if (pa->pf->function == PCMCIA_FUNCTION_DISK && 180 pa->pf->pf_funce_disk_interface == PCMCIA_TPLFE_DDI_PCCARD_ATA) 181 return (1); 182 if (pcmcia_product_lookup(pa, wdc_pcmcia_products, wdc_pcmcia_nproducts, 183 sizeof(wdc_pcmcia_products[0]), NULL)) 184 return (2); 185 return (0); 186 } 187 188 static int 189 wdc_pcmcia_validate_config_io(struct pcmcia_config_entry *cfe) 190 { 191 if (cfe->iftype != PCMCIA_IFTYPE_IO || 192 cfe->num_iospace < 1 || cfe->num_iospace > 2) 193 return (EINVAL); 194 cfe->num_memspace = 0; 195 return (0); 196 } 197 198 static int 199 wdc_pcmcia_validate_config_memory(struct pcmcia_config_entry *cfe) 200 { 201 if (cfe->iftype != PCMCIA_IFTYPE_MEMORY || 202 cfe->num_memspace > 1 || 203 cfe->memspace[0].length < 2048) 204 return (EINVAL); 205 cfe->num_iospace = 0; 206 return (0); 207 } 208 209 static void 210 wdc_pcmcia_attach(struct device *parent, struct device *self, void *aux) 211 { 212 struct wdc_pcmcia_softc *sc = (void *)self; 213 struct pcmcia_attach_args *pa = aux; 214 struct pcmcia_config_entry *cfe; 215 struct wdc_regs *wdr; 216 const struct wdc_pcmcia_product *wdcp; 217 bus_size_t offset; 218 int i; 219 int error; 220 221 sc->sc_pf = pa->pf; 222 223 error = pcmcia_function_configure(pa->pf, 224 wdc_pcmcia_validate_config_io); 225 if (error) 226 /*XXXmem16|common*/ 227 error = pcmcia_function_configure(pa->pf, 228 wdc_pcmcia_validate_config_memory); 229 if (error) { 230 aprint_error("%s: configure failed, error=%d\n", self->dv_xname, 231 error); 232 return; 233 } 234 235 cfe = pa->pf->cfe; 236 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA16; 237 238 sc->sc_wdcdev.regs = wdr = &sc->wdc_regs; 239 240 if (cfe->iftype == PCMCIA_IFTYPE_MEMORY) { 241 wdr->cmd_iot = cfe->memspace[0].handle.memt; 242 wdr->cmd_baseioh = cfe->memspace[0].handle.memh; 243 offset = cfe->memspace[0].offset; 244 wdr->ctl_iot = cfe->memspace[0].handle.memt; 245 if (bus_space_subregion(cfe->memspace[0].handle.memt, 246 cfe->memspace[0].handle.memh, 247 offset + WDC_PCMCIA_AUXREG_OFFSET, WDC_PCMCIA_AUXREG_NPORTS, 248 &wdr->ctl_ioh)) 249 goto fail; 250 } else { 251 wdr->cmd_iot = cfe->iospace[0].handle.iot; 252 wdr->cmd_baseioh = cfe->iospace[0].handle.ioh; 253 offset = 0; 254 if (cfe->num_iospace == 1) { 255 wdr->ctl_iot = cfe->iospace[0].handle.iot; 256 if (bus_space_subregion(cfe->iospace[0].handle.iot, 257 cfe->iospace[0].handle.ioh, 258 WDC_PCMCIA_AUXREG_OFFSET, WDC_PCMCIA_AUXREG_NPORTS, 259 &wdr->ctl_ioh)) 260 goto fail; 261 } else { 262 wdr->ctl_iot = cfe->iospace[1].handle.iot; 263 wdr->ctl_ioh = cfe->iospace[1].handle.ioh; 264 } 265 } 266 267 for (i = 0; i < WDC_PCMCIA_REG_NPORTS; i++) { 268 if (bus_space_subregion(wdr->cmd_iot, 269 wdr->cmd_baseioh, 270 offset + i, i == 0 ? 4 : 1, 271 &wdr->cmd_iohs[i]) != 0) { 272 aprint_error("%s: can't subregion I/O space\n", 273 self->dv_xname); 274 goto fail; 275 } 276 } 277 278 if (cfe->iftype == PCMCIA_IFTYPE_MEMORY) { 279 aprint_normal("%s: memory mapped mode\n", self->dv_xname); 280 wdr->data32iot = cfe->memspace[0].handle.memt; 281 if (bus_space_subregion(cfe->memspace[0].handle.memt, 282 cfe->memspace[0].handle.memh, offset + 1024, 1024, 283 &wdr->data32ioh)) 284 goto fail; 285 sc->sc_wdcdev.datain_pio = wdc_pcmcia_datain_memory; 286 sc->sc_wdcdev.dataout_pio = wdc_pcmcia_dataout_memory; 287 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_NOIRQ; 288 } else { 289 aprint_normal("%s: i/o mapped mode\n", self->dv_xname); 290 wdr->data32iot = wdr->cmd_iot; 291 wdr->data32ioh = wdr->cmd_iohs[wd_data]; 292 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA32; 293 } 294 295 sc->sc_wdcdev.sc_atac.atac_pio_cap = 0; 296 sc->wdc_chanlist[0] = &sc->ata_channel; 297 sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanlist; 298 sc->sc_wdcdev.sc_atac.atac_nchannels = 1; 299 sc->ata_channel.ch_channel = 0; 300 sc->ata_channel.ch_atac = &sc->sc_wdcdev.sc_atac; 301 sc->ata_channel.ch_queue = &sc->wdc_chqueue; 302 wdcp = pcmcia_product_lookup(pa, wdc_pcmcia_products, 303 wdc_pcmcia_nproducts, sizeof(wdc_pcmcia_products[0]), NULL); 304 sc->ata_channel.ch_ndrive = wdcp ? wdcp->wdc_ndrive : 2; 305 wdc_init_shadow_regs(&sc->ata_channel); 306 307 error = wdc_pcmcia_enable(self, 1); 308 if (error) 309 goto fail; 310 311 /* We can enable and disable the controller. */ 312 sc->sc_wdcdev.sc_atac.atac_atapi_adapter._generic.adapt_enable = 313 wdc_pcmcia_enable; 314 sc->sc_wdcdev.sc_atac.atac_atapi_adapter._generic.adapt_refcnt = 1; 315 316 /* 317 * Some devices needs some more delay after power up to stabilize 318 * and probe properly, so give them half a second. 319 * See PR 25659 for details. 320 */ 321 tsleep(wdc_pcmcia_attach, PWAIT, "wdcattach", hz / 2); 322 323 wdcattach(&sc->ata_channel); 324 ata_delref(&sc->ata_channel); 325 sc->sc_state = WDC_PCMCIA_ATTACHED; 326 return; 327 328 fail: 329 pcmcia_function_unconfigure(pa->pf); 330 } 331 332 static int 333 wdc_pcmcia_detach(struct device *self, int flags) 334 { 335 struct wdc_pcmcia_softc *sc = (struct wdc_pcmcia_softc *)self; 336 int error; 337 338 if (sc->sc_state != WDC_PCMCIA_ATTACHED) 339 return (0); 340 341 if ((error = wdcdetach(self, flags)) != 0) 342 return (error); 343 344 pcmcia_function_unconfigure(sc->sc_pf); 345 346 return (0); 347 } 348 349 static int 350 wdc_pcmcia_enable(struct device *self, int onoff) 351 { 352 struct wdc_pcmcia_softc *sc = (void *)self; 353 int error; 354 355 if (onoff) { 356 /* Establish the interrupt handler. */ 357 sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO, 358 wdcintr, &sc->ata_channel); 359 if (!sc->sc_ih) 360 return (EIO); 361 362 error = pcmcia_function_enable(sc->sc_pf); 363 if (error) { 364 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 365 sc->sc_ih = 0; 366 return (error); 367 } 368 } else { 369 pcmcia_function_disable(sc->sc_pf); 370 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 371 sc->sc_ih = 0; 372 } 373 374 return (0); 375 } 376 377 static void 378 wdc_pcmcia_datain_memory(struct ata_channel *chp, int flags, void *buf, 379 size_t len) 380 { 381 struct wdc_regs *wdr = CHAN_TO_WDC_REGS(chp); 382 383 while (len > 0) { 384 size_t n; 385 386 n = min(len, 1024); 387 if ((flags & DRIVE_CAP32) && (n & 3) == 0) 388 bus_space_read_region_stream_4(wdr->data32iot, 389 wdr->data32ioh, 0, buf, n >> 2); 390 else 391 bus_space_read_region_stream_2(wdr->data32iot, 392 wdr->data32ioh, 0, buf, n >> 1); 393 buf = (char *)buf + n; 394 len -= n; 395 } 396 } 397 398 static void 399 wdc_pcmcia_dataout_memory(struct ata_channel *chp, int flags, void *buf, 400 size_t len) 401 { 402 struct wdc_regs *wdr = CHAN_TO_WDC_REGS(chp); 403 404 while (len > 0) { 405 size_t n; 406 407 n = min(len, 1024); 408 if ((flags & DRIVE_CAP32) && (n & 3) == 0) 409 bus_space_write_region_stream_4(wdr->data32iot, 410 wdr->data32ioh, 0, buf, n >> 2); 411 else 412 bus_space_write_region_stream_2(wdr->data32iot, 413 wdr->data32ioh, 0, buf, n >> 1); 414 buf = (char *)buf + n; 415 len -= n; 416 } 417 } 418