1 /* $NetBSD: wdc_pcmcia.c,v 1.101 2005/12/11 12:23:23 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 1.101 2005/12/11 12:23:23 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 /* 124 * EXP IDE/ATAPI DVD Card use with some DVD players. 125 * Does not have a vendor ID or product ID. 126 */ 127 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, 128 PCMCIA_CIS_EXP_EXPMULTIMEDIA }, 129 130 /* Mobile Dock 2, neither vendor ID nor product ID */ 131 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, 132 {"SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", NULL, NULL} }, 133 134 /* Toshiba Portege 3110 CD, neither vendor ID nor product ID */ 135 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, 136 {"FREECOM", "PCCARD-IDE", NULL, NULL} }, 137 138 /* Random CD-ROM, (badged AMACOM), neither vendor ID nor product ID */ 139 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, 140 {"PCMCIA", "CD-ROM", NULL, NULL} }, 141 142 /* IO DATA CBIDE2, with neither vendor ID nor product ID */ 143 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, 144 PCMCIA_CIS_IODATA_CBIDE2 }, 145 146 /* TOSHIBA PA2673U(IODATA_CBIDE2 OEM), */ 147 /* with neither vendor ID nor product ID */ 148 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, 149 PCMCIA_CIS_TOSHIBA_CBIDE2 }, 150 151 /* 152 * Novac PCMCIA-IDE Card for HD530P IDE Box, 153 * with neither vendor ID nor product ID 154 */ 155 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, 156 {"PCMCIA", "PnPIDE", NULL, NULL} }, 157 }; 158 static const size_t wdc_pcmcia_nproducts = 159 sizeof(wdc_pcmcia_products) / sizeof(wdc_pcmcia_products[0]); 160 161 static int wdc_pcmcia_enable(struct device *, int); 162 static void wdc_pcmcia_datain_memory(struct ata_channel *, int, void *, 163 size_t); 164 static void wdc_pcmcia_dataout_memory(struct ata_channel *, int, void *, 165 size_t); 166 167 static int 168 wdc_pcmcia_match(struct device *parent, struct cfdata *match, void *aux) 169 { 170 struct pcmcia_attach_args *pa = aux; 171 172 if (pa->pf->function == PCMCIA_FUNCTION_DISK && 173 pa->pf->pf_funce_disk_interface == PCMCIA_TPLFE_DDI_PCCARD_ATA) 174 return (1); 175 if (pcmcia_product_lookup(pa, wdc_pcmcia_products, wdc_pcmcia_nproducts, 176 sizeof(wdc_pcmcia_products[0]), NULL)) 177 return (2); 178 return (0); 179 } 180 181 static int 182 wdc_pcmcia_validate_config_io(struct pcmcia_config_entry *cfe) 183 { 184 if (cfe->iftype != PCMCIA_IFTYPE_IO || 185 cfe->num_iospace < 1 || cfe->num_iospace > 2) 186 return (EINVAL); 187 cfe->num_memspace = 0; 188 return (0); 189 } 190 191 static int 192 wdc_pcmcia_validate_config_memory(struct pcmcia_config_entry *cfe) 193 { 194 if (cfe->iftype != PCMCIA_IFTYPE_MEMORY || 195 cfe->num_memspace > 1 || 196 cfe->memspace[0].length < 2048) 197 return (EINVAL); 198 cfe->num_iospace = 0; 199 return (0); 200 } 201 202 static void 203 wdc_pcmcia_attach(struct device *parent, struct device *self, void *aux) 204 { 205 struct wdc_pcmcia_softc *sc = (void *)self; 206 struct pcmcia_attach_args *pa = aux; 207 struct pcmcia_config_entry *cfe; 208 struct wdc_regs *wdr; 209 bus_size_t offset; 210 int i; 211 int error; 212 213 sc->sc_pf = pa->pf; 214 215 error = pcmcia_function_configure(pa->pf, 216 wdc_pcmcia_validate_config_io); 217 if (error) 218 /*XXXmem16|common*/ 219 error = pcmcia_function_configure(pa->pf, 220 wdc_pcmcia_validate_config_memory); 221 if (error) { 222 aprint_error("%s: configure failed, error=%d\n", self->dv_xname, 223 error); 224 return; 225 } 226 227 cfe = pa->pf->cfe; 228 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA16; 229 230 sc->sc_wdcdev.regs = wdr = &sc->wdc_regs; 231 232 if (cfe->iftype == PCMCIA_IFTYPE_MEMORY) { 233 wdr->cmd_iot = cfe->memspace[0].handle.memt; 234 wdr->cmd_baseioh = cfe->memspace[0].handle.memh; 235 offset = cfe->memspace[0].offset; 236 wdr->ctl_iot = cfe->memspace[0].handle.memt; 237 if (bus_space_subregion(cfe->memspace[0].handle.memt, 238 cfe->memspace[0].handle.memh, 239 offset + WDC_PCMCIA_AUXREG_OFFSET, WDC_PCMCIA_AUXREG_NPORTS, 240 &wdr->ctl_ioh)) 241 goto fail; 242 } else { 243 wdr->cmd_iot = cfe->iospace[0].handle.iot; 244 wdr->cmd_baseioh = cfe->iospace[0].handle.ioh; 245 offset = 0; 246 if (cfe->num_iospace == 1) { 247 wdr->ctl_iot = cfe->iospace[0].handle.iot; 248 if (bus_space_subregion(cfe->iospace[0].handle.iot, 249 cfe->iospace[0].handle.ioh, 250 WDC_PCMCIA_AUXREG_OFFSET, WDC_PCMCIA_AUXREG_NPORTS, 251 &wdr->ctl_ioh)) 252 goto fail; 253 } else { 254 wdr->ctl_iot = cfe->iospace[1].handle.iot; 255 wdr->ctl_ioh = cfe->iospace[1].handle.ioh; 256 } 257 } 258 259 for (i = 0; i < WDC_PCMCIA_REG_NPORTS; i++) { 260 if (bus_space_subregion(wdr->cmd_iot, 261 wdr->cmd_baseioh, 262 offset + i, i == 0 ? 4 : 1, 263 &wdr->cmd_iohs[i]) != 0) { 264 aprint_error("%s: can't subregion I/O space\n", 265 self->dv_xname); 266 goto fail; 267 } 268 } 269 270 if (cfe->iftype == PCMCIA_IFTYPE_MEMORY) { 271 aprint_normal("%s: memory mapped mode\n", self->dv_xname); 272 wdr->data32iot = cfe->memspace[0].handle.memt; 273 if (bus_space_subregion(cfe->memspace[0].handle.memt, 274 cfe->memspace[0].handle.memh, offset + 1024, 1024, 275 &wdr->data32ioh)) 276 goto fail; 277 sc->sc_wdcdev.datain_pio = wdc_pcmcia_datain_memory; 278 sc->sc_wdcdev.dataout_pio = wdc_pcmcia_dataout_memory; 279 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_NOIRQ; 280 } else { 281 aprint_normal("%s: i/o mapped mode\n", self->dv_xname); 282 wdr->data32iot = wdr->cmd_iot; 283 wdr->data32ioh = wdr->cmd_iohs[wd_data]; 284 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA32; 285 } 286 287 sc->sc_wdcdev.sc_atac.atac_pio_cap = 0; 288 sc->wdc_chanlist[0] = &sc->ata_channel; 289 sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanlist; 290 sc->sc_wdcdev.sc_atac.atac_nchannels = 1; 291 sc->ata_channel.ch_channel = 0; 292 sc->ata_channel.ch_atac = &sc->sc_wdcdev.sc_atac; 293 sc->ata_channel.ch_queue = &sc->wdc_chqueue; 294 wdc_init_shadow_regs(&sc->ata_channel); 295 296 error = wdc_pcmcia_enable(self, 1); 297 if (error) 298 goto fail; 299 300 /* We can enable and disable the controller. */ 301 sc->sc_wdcdev.sc_atac.atac_atapi_adapter._generic.adapt_enable = 302 wdc_pcmcia_enable; 303 sc->sc_wdcdev.sc_atac.atac_atapi_adapter._generic.adapt_refcnt = 1; 304 305 /* 306 * Some devices needs some more delay after power up to stabilize 307 * and probe properly, so give them half a second. 308 * See PR 25659 for details. 309 */ 310 tsleep(wdc_pcmcia_attach, PWAIT, "wdcattach", hz / 2); 311 312 wdcattach(&sc->ata_channel); 313 ata_delref(&sc->ata_channel); 314 sc->sc_state = WDC_PCMCIA_ATTACHED; 315 return; 316 317 fail: 318 pcmcia_function_unconfigure(pa->pf); 319 } 320 321 static int 322 wdc_pcmcia_detach(struct device *self, int flags) 323 { 324 struct wdc_pcmcia_softc *sc = (struct wdc_pcmcia_softc *)self; 325 int error; 326 327 if (sc->sc_state != WDC_PCMCIA_ATTACHED) 328 return (0); 329 330 if ((error = wdcdetach(self, flags)) != 0) 331 return (error); 332 333 pcmcia_function_unconfigure(sc->sc_pf); 334 335 return (0); 336 } 337 338 static int 339 wdc_pcmcia_enable(struct device *self, int onoff) 340 { 341 struct wdc_pcmcia_softc *sc = (void *)self; 342 int error; 343 344 if (onoff) { 345 /* Establish the interrupt handler. */ 346 sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO, 347 wdcintr, &sc->ata_channel); 348 if (!sc->sc_ih) 349 return (EIO); 350 351 error = pcmcia_function_enable(sc->sc_pf); 352 if (error) { 353 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 354 sc->sc_ih = 0; 355 return (error); 356 } 357 } else { 358 pcmcia_function_disable(sc->sc_pf); 359 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 360 sc->sc_ih = 0; 361 } 362 363 return (0); 364 } 365 366 static void 367 wdc_pcmcia_datain_memory(struct ata_channel *chp, int flags, void *buf, 368 size_t len) 369 { 370 struct wdc_regs *wdr = CHAN_TO_WDC_REGS(chp); 371 372 while (len > 0) { 373 size_t n; 374 375 n = min(len, 1024); 376 if ((flags & DRIVE_CAP32) && (n & 3) == 0) 377 bus_space_read_region_stream_4(wdr->data32iot, 378 wdr->data32ioh, 0, buf, n >> 2); 379 else 380 bus_space_read_region_stream_2(wdr->data32iot, 381 wdr->data32ioh, 0, buf, n >> 1); 382 buf = (char *)buf + n; 383 len -= n; 384 } 385 } 386 387 static void 388 wdc_pcmcia_dataout_memory(struct ata_channel *chp, int flags, void *buf, 389 size_t len) 390 { 391 struct wdc_regs *wdr = CHAN_TO_WDC_REGS(chp); 392 393 while (len > 0) { 394 size_t n; 395 396 n = min(len, 1024); 397 if ((flags & DRIVE_CAP32) && (n & 3) == 0) 398 bus_space_write_region_stream_4(wdr->data32iot, 399 wdr->data32ioh, 0, buf, n >> 2); 400 else 401 bus_space_write_region_stream_2(wdr->data32iot, 402 wdr->data32ioh, 0, buf, n >> 1); 403 buf = (char *)buf + n; 404 len -= n; 405 } 406 } 407