1 /* $NetBSD: wdc_pcmcia.c,v 1.102 2006/01/11 13:34:33 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 1.102 2006/01/11 13:34:33 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 pcmcia_product wdc_pcmcia_products[] = { 102 { PCMCIA_VENDOR_DIGITAL, 103 PCMCIA_PRODUCT_DIGITAL_MOBILE_MEDIA_CDROM, 104 {NULL, "Digital Mobile Media CD-ROM", NULL, NULL} }, 105 106 { PCMCIA_VENDOR_IBM, 107 PCMCIA_PRODUCT_IBM_PORTABLE_CDROM, 108 {NULL, "PCMCIA Portable CD-ROM Drive", NULL, NULL} }, 109 110 /* The TEAC IDE/Card II is used on the Sony Vaio */ 111 { PCMCIA_VENDOR_TEAC, 112 PCMCIA_PRODUCT_TEAC_IDECARDII, 113 PCMCIA_CIS_TEAC_IDECARDII }, 114 115 /* 116 * A fujitsu rebranded panasonic drive that reports 117 * itself as function "scsi", disk interface 0 118 */ 119 { PCMCIA_VENDOR_PANASONIC, 120 PCMCIA_PRODUCT_PANASONIC_KXLC005, 121 PCMCIA_CIS_PANASONIC_KXLC005 }, 122 123 { PCMCIA_VENDOR_SANDISK, 124 PCMCIA_PRODUCT_SANDISK_SDCFB, 125 PCMCIA_CIS_SANDISK_SDCFB }, 126 127 /* 128 * EXP IDE/ATAPI DVD Card use with some DVD players. 129 * Does not have a vendor ID or product ID. 130 */ 131 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, 132 PCMCIA_CIS_EXP_EXPMULTIMEDIA }, 133 134 /* Mobile Dock 2, neither vendor ID nor product ID */ 135 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, 136 {"SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", NULL, NULL} }, 137 138 /* Toshiba Portege 3110 CD, neither vendor ID nor product ID */ 139 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, 140 {"FREECOM", "PCCARD-IDE", NULL, NULL} }, 141 142 /* Random CD-ROM, (badged AMACOM), neither vendor ID nor product ID */ 143 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, 144 {"PCMCIA", "CD-ROM", NULL, NULL} }, 145 146 /* IO DATA CBIDE2, with neither vendor ID nor product ID */ 147 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, 148 PCMCIA_CIS_IODATA_CBIDE2 }, 149 150 /* TOSHIBA PA2673U(IODATA_CBIDE2 OEM), */ 151 /* with neither vendor ID nor product ID */ 152 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, 153 PCMCIA_CIS_TOSHIBA_CBIDE2 }, 154 155 /* 156 * Novac PCMCIA-IDE Card for HD530P IDE Box, 157 * with neither vendor ID nor product ID 158 */ 159 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, 160 {"PCMCIA", "PnPIDE", NULL, NULL} }, 161 }; 162 static const size_t wdc_pcmcia_nproducts = 163 sizeof(wdc_pcmcia_products) / sizeof(wdc_pcmcia_products[0]); 164 165 static int wdc_pcmcia_enable(struct device *, int); 166 static void wdc_pcmcia_datain_memory(struct ata_channel *, int, void *, 167 size_t); 168 static void wdc_pcmcia_dataout_memory(struct ata_channel *, int, void *, 169 size_t); 170 171 static int 172 wdc_pcmcia_match(struct device *parent, struct cfdata *match, void *aux) 173 { 174 struct pcmcia_attach_args *pa = aux; 175 176 if (pa->pf->function == PCMCIA_FUNCTION_DISK && 177 pa->pf->pf_funce_disk_interface == PCMCIA_TPLFE_DDI_PCCARD_ATA) 178 return (1); 179 if (pcmcia_product_lookup(pa, wdc_pcmcia_products, wdc_pcmcia_nproducts, 180 sizeof(wdc_pcmcia_products[0]), NULL)) 181 return (2); 182 return (0); 183 } 184 185 static int 186 wdc_pcmcia_validate_config_io(struct pcmcia_config_entry *cfe) 187 { 188 if (cfe->iftype != PCMCIA_IFTYPE_IO || 189 cfe->num_iospace < 1 || cfe->num_iospace > 2) 190 return (EINVAL); 191 cfe->num_memspace = 0; 192 return (0); 193 } 194 195 static int 196 wdc_pcmcia_validate_config_memory(struct pcmcia_config_entry *cfe) 197 { 198 if (cfe->iftype != PCMCIA_IFTYPE_MEMORY || 199 cfe->num_memspace > 1 || 200 cfe->memspace[0].length < 2048) 201 return (EINVAL); 202 cfe->num_iospace = 0; 203 return (0); 204 } 205 206 static void 207 wdc_pcmcia_attach(struct device *parent, struct device *self, void *aux) 208 { 209 struct wdc_pcmcia_softc *sc = (void *)self; 210 struct pcmcia_attach_args *pa = aux; 211 struct pcmcia_config_entry *cfe; 212 struct wdc_regs *wdr; 213 bus_size_t offset; 214 int i; 215 int error; 216 217 sc->sc_pf = pa->pf; 218 219 error = pcmcia_function_configure(pa->pf, 220 wdc_pcmcia_validate_config_io); 221 if (error) 222 /*XXXmem16|common*/ 223 error = pcmcia_function_configure(pa->pf, 224 wdc_pcmcia_validate_config_memory); 225 if (error) { 226 aprint_error("%s: configure failed, error=%d\n", self->dv_xname, 227 error); 228 return; 229 } 230 231 cfe = pa->pf->cfe; 232 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA16; 233 234 sc->sc_wdcdev.regs = wdr = &sc->wdc_regs; 235 236 if (cfe->iftype == PCMCIA_IFTYPE_MEMORY) { 237 wdr->cmd_iot = cfe->memspace[0].handle.memt; 238 wdr->cmd_baseioh = cfe->memspace[0].handle.memh; 239 offset = cfe->memspace[0].offset; 240 wdr->ctl_iot = cfe->memspace[0].handle.memt; 241 if (bus_space_subregion(cfe->memspace[0].handle.memt, 242 cfe->memspace[0].handle.memh, 243 offset + WDC_PCMCIA_AUXREG_OFFSET, WDC_PCMCIA_AUXREG_NPORTS, 244 &wdr->ctl_ioh)) 245 goto fail; 246 } else { 247 wdr->cmd_iot = cfe->iospace[0].handle.iot; 248 wdr->cmd_baseioh = cfe->iospace[0].handle.ioh; 249 offset = 0; 250 if (cfe->num_iospace == 1) { 251 wdr->ctl_iot = cfe->iospace[0].handle.iot; 252 if (bus_space_subregion(cfe->iospace[0].handle.iot, 253 cfe->iospace[0].handle.ioh, 254 WDC_PCMCIA_AUXREG_OFFSET, WDC_PCMCIA_AUXREG_NPORTS, 255 &wdr->ctl_ioh)) 256 goto fail; 257 } else { 258 wdr->ctl_iot = cfe->iospace[1].handle.iot; 259 wdr->ctl_ioh = cfe->iospace[1].handle.ioh; 260 } 261 } 262 263 for (i = 0; i < WDC_PCMCIA_REG_NPORTS; i++) { 264 if (bus_space_subregion(wdr->cmd_iot, 265 wdr->cmd_baseioh, 266 offset + i, i == 0 ? 4 : 1, 267 &wdr->cmd_iohs[i]) != 0) { 268 aprint_error("%s: can't subregion I/O space\n", 269 self->dv_xname); 270 goto fail; 271 } 272 } 273 274 if (cfe->iftype == PCMCIA_IFTYPE_MEMORY) { 275 aprint_normal("%s: memory mapped mode\n", self->dv_xname); 276 wdr->data32iot = cfe->memspace[0].handle.memt; 277 if (bus_space_subregion(cfe->memspace[0].handle.memt, 278 cfe->memspace[0].handle.memh, offset + 1024, 1024, 279 &wdr->data32ioh)) 280 goto fail; 281 sc->sc_wdcdev.datain_pio = wdc_pcmcia_datain_memory; 282 sc->sc_wdcdev.dataout_pio = wdc_pcmcia_dataout_memory; 283 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_NOIRQ; 284 } else { 285 aprint_normal("%s: i/o mapped mode\n", self->dv_xname); 286 wdr->data32iot = wdr->cmd_iot; 287 wdr->data32ioh = wdr->cmd_iohs[wd_data]; 288 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA32; 289 } 290 291 sc->sc_wdcdev.sc_atac.atac_pio_cap = 0; 292 sc->wdc_chanlist[0] = &sc->ata_channel; 293 sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanlist; 294 sc->sc_wdcdev.sc_atac.atac_nchannels = 1; 295 sc->ata_channel.ch_channel = 0; 296 sc->ata_channel.ch_atac = &sc->sc_wdcdev.sc_atac; 297 sc->ata_channel.ch_queue = &sc->wdc_chqueue; 298 wdc_init_shadow_regs(&sc->ata_channel); 299 300 error = wdc_pcmcia_enable(self, 1); 301 if (error) 302 goto fail; 303 304 /* We can enable and disable the controller. */ 305 sc->sc_wdcdev.sc_atac.atac_atapi_adapter._generic.adapt_enable = 306 wdc_pcmcia_enable; 307 sc->sc_wdcdev.sc_atac.atac_atapi_adapter._generic.adapt_refcnt = 1; 308 309 /* 310 * Some devices needs some more delay after power up to stabilize 311 * and probe properly, so give them half a second. 312 * See PR 25659 for details. 313 */ 314 tsleep(wdc_pcmcia_attach, PWAIT, "wdcattach", hz / 2); 315 316 wdcattach(&sc->ata_channel); 317 ata_delref(&sc->ata_channel); 318 sc->sc_state = WDC_PCMCIA_ATTACHED; 319 return; 320 321 fail: 322 pcmcia_function_unconfigure(pa->pf); 323 } 324 325 static int 326 wdc_pcmcia_detach(struct device *self, int flags) 327 { 328 struct wdc_pcmcia_softc *sc = (struct wdc_pcmcia_softc *)self; 329 int error; 330 331 if (sc->sc_state != WDC_PCMCIA_ATTACHED) 332 return (0); 333 334 if ((error = wdcdetach(self, flags)) != 0) 335 return (error); 336 337 pcmcia_function_unconfigure(sc->sc_pf); 338 339 return (0); 340 } 341 342 static int 343 wdc_pcmcia_enable(struct device *self, int onoff) 344 { 345 struct wdc_pcmcia_softc *sc = (void *)self; 346 int error; 347 348 if (onoff) { 349 /* Establish the interrupt handler. */ 350 sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO, 351 wdcintr, &sc->ata_channel); 352 if (!sc->sc_ih) 353 return (EIO); 354 355 error = pcmcia_function_enable(sc->sc_pf); 356 if (error) { 357 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 358 sc->sc_ih = 0; 359 return (error); 360 } 361 } else { 362 pcmcia_function_disable(sc->sc_pf); 363 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 364 sc->sc_ih = 0; 365 } 366 367 return (0); 368 } 369 370 static void 371 wdc_pcmcia_datain_memory(struct ata_channel *chp, int flags, void *buf, 372 size_t len) 373 { 374 struct wdc_regs *wdr = CHAN_TO_WDC_REGS(chp); 375 376 while (len > 0) { 377 size_t n; 378 379 n = min(len, 1024); 380 if ((flags & DRIVE_CAP32) && (n & 3) == 0) 381 bus_space_read_region_stream_4(wdr->data32iot, 382 wdr->data32ioh, 0, buf, n >> 2); 383 else 384 bus_space_read_region_stream_2(wdr->data32iot, 385 wdr->data32ioh, 0, buf, n >> 1); 386 buf = (char *)buf + n; 387 len -= n; 388 } 389 } 390 391 static void 392 wdc_pcmcia_dataout_memory(struct ata_channel *chp, int flags, void *buf, 393 size_t len) 394 { 395 struct wdc_regs *wdr = CHAN_TO_WDC_REGS(chp); 396 397 while (len > 0) { 398 size_t n; 399 400 n = min(len, 1024); 401 if ((flags & DRIVE_CAP32) && (n & 3) == 0) 402 bus_space_write_region_stream_4(wdr->data32iot, 403 wdr->data32ioh, 0, buf, n >> 2); 404 else 405 bus_space_write_region_stream_2(wdr->data32iot, 406 wdr->data32ioh, 0, buf, n >> 1); 407 buf = (char *)buf + n; 408 len -= n; 409 } 410 } 411