pata_pcmcia.c revision cbcdd87593a1d85c5c4b259945a3a09eee12814d
1/* 2 * pata_pcmcia.c - PCMCIA PATA controller driver. 3 * Copyright 2005-2006 Red Hat Inc <alan@redhat.com>, all rights reserved. 4 * PCMCIA ident update Copyright 2006 Marcin Juszkiewicz 5 * <openembedded@hrw.one.pl> 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2, or (at your option) 10 * any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; see the file COPYING. If not, write to 19 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 20 * 21 * Heavily based upon ide-cs.c 22 * The initial developer of the original code is David A. Hinds 23 * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds 24 * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. 25 */ 26 27#include <linux/kernel.h> 28#include <linux/module.h> 29#include <linux/init.h> 30#include <linux/blkdev.h> 31#include <linux/delay.h> 32#include <scsi/scsi_host.h> 33#include <linux/ata.h> 34#include <linux/libata.h> 35 36#include <pcmcia/cs_types.h> 37#include <pcmcia/cs.h> 38#include <pcmcia/cistpl.h> 39#include <pcmcia/ds.h> 40#include <pcmcia/cisreg.h> 41#include <pcmcia/ciscode.h> 42 43 44#define DRV_NAME "pata_pcmcia" 45#define DRV_VERSION "0.3.2" 46 47/* 48 * Private data structure to glue stuff together 49 */ 50 51struct ata_pcmcia_info { 52 struct pcmcia_device *pdev; 53 int ndev; 54 dev_node_t node; 55}; 56 57/** 58 * pcmcia_set_mode - PCMCIA specific mode setup 59 * @link: link 60 * @r_failed_dev: Return pointer for failed device 61 * 62 * Perform the tuning and setup of the devices and timings, which 63 * for PCMCIA is the same as any other controller. We wrap it however 64 * as we need to spot hardware with incorrect or missing master/slave 65 * decode, which alas is embarrassingly common in the PC world 66 */ 67 68static int pcmcia_set_mode(struct ata_link *link, struct ata_device **r_failed_dev) 69{ 70 struct ata_device *master = &link->device[0]; 71 struct ata_device *slave = &link->device[1]; 72 73 if (!ata_dev_enabled(master) || !ata_dev_enabled(slave)) 74 return ata_do_set_mode(link, r_failed_dev); 75 76 if (memcmp(master->id + ATA_ID_FW_REV, slave->id + ATA_ID_FW_REV, 77 ATA_ID_FW_REV_LEN + ATA_ID_PROD_LEN) == 0) 78 { 79 /* Suspicious match, but could be two cards from 80 the same vendor - check serial */ 81 if (memcmp(master->id + ATA_ID_SERNO, slave->id + ATA_ID_SERNO, 82 ATA_ID_SERNO_LEN) == 0 && master->id[ATA_ID_SERNO] >> 8) { 83 ata_dev_printk(slave, KERN_WARNING, "is a ghost device, ignoring.\n"); 84 ata_dev_disable(slave); 85 } 86 } 87 return ata_do_set_mode(link, r_failed_dev); 88} 89 90static struct scsi_host_template pcmcia_sht = { 91 .module = THIS_MODULE, 92 .name = DRV_NAME, 93 .ioctl = ata_scsi_ioctl, 94 .queuecommand = ata_scsi_queuecmd, 95 .can_queue = ATA_DEF_QUEUE, 96 .this_id = ATA_SHT_THIS_ID, 97 .sg_tablesize = LIBATA_MAX_PRD, 98 .cmd_per_lun = ATA_SHT_CMD_PER_LUN, 99 .emulated = ATA_SHT_EMULATED, 100 .use_clustering = ATA_SHT_USE_CLUSTERING, 101 .proc_name = DRV_NAME, 102 .dma_boundary = ATA_DMA_BOUNDARY, 103 .slave_configure = ata_scsi_slave_config, 104 .slave_destroy = ata_scsi_slave_destroy, 105 .bios_param = ata_std_bios_param, 106}; 107 108static struct ata_port_operations pcmcia_port_ops = { 109 .set_mode = pcmcia_set_mode, 110 .tf_load = ata_tf_load, 111 .tf_read = ata_tf_read, 112 .check_status = ata_check_status, 113 .exec_command = ata_exec_command, 114 .dev_select = ata_std_dev_select, 115 116 .freeze = ata_bmdma_freeze, 117 .thaw = ata_bmdma_thaw, 118 .error_handler = ata_bmdma_error_handler, 119 .post_internal_cmd = ata_bmdma_post_internal_cmd, 120 .cable_detect = ata_cable_40wire, 121 122 .qc_prep = ata_qc_prep, 123 .qc_issue = ata_qc_issue_prot, 124 125 .data_xfer = ata_data_xfer_noirq, 126 127 .irq_clear = ata_bmdma_irq_clear, 128 .irq_on = ata_irq_on, 129 130 .port_start = ata_sff_port_start, 131}; 132 133#define CS_CHECK(fn, ret) \ 134do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) 135 136/** 137 * pcmcia_init_one - attach a PCMCIA interface 138 * @pdev: pcmcia device 139 * 140 * Register a PCMCIA IDE interface. Such interfaces are PIO 0 and 141 * shared IRQ. 142 */ 143 144static int pcmcia_init_one(struct pcmcia_device *pdev) 145{ 146 struct ata_host *host; 147 struct ata_port *ap; 148 struct ata_pcmcia_info *info; 149 tuple_t tuple; 150 struct { 151 unsigned short buf[128]; 152 cisparse_t parse; 153 config_info_t conf; 154 cistpl_cftable_entry_t dflt; 155 } *stk = NULL; 156 cistpl_cftable_entry_t *cfg; 157 int pass, last_ret = 0, last_fn = 0, is_kme = 0, ret = -ENOMEM; 158 unsigned long io_base, ctl_base; 159 void __iomem *io_addr, *ctl_addr; 160 161 info = kzalloc(sizeof(*info), GFP_KERNEL); 162 if (info == NULL) 163 return -ENOMEM; 164 165 /* Glue stuff together. FIXME: We may be able to get rid of info with care */ 166 info->pdev = pdev; 167 pdev->priv = info; 168 169 /* Set up attributes in order to probe card and get resources */ 170 pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; 171 pdev->io.Attributes2 = IO_DATA_PATH_WIDTH_8; 172 pdev->io.IOAddrLines = 3; 173 pdev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING; 174 pdev->irq.IRQInfo1 = IRQ_LEVEL_ID; 175 pdev->conf.Attributes = CONF_ENABLE_IRQ; 176 pdev->conf.IntType = INT_MEMORY_AND_IO; 177 178 /* Allocate resoure probing structures */ 179 180 stk = kzalloc(sizeof(*stk), GFP_KERNEL); 181 if (!stk) 182 goto out1; 183 184 cfg = &stk->parse.cftable_entry; 185 186 /* Tuples we are walking */ 187 tuple.TupleData = (cisdata_t *)&stk->buf; 188 tuple.TupleOffset = 0; 189 tuple.TupleDataMax = 255; 190 tuple.Attributes = 0; 191 192 /* See if we have a manufacturer identifier. Use it to set is_kme for 193 vendor quirks */ 194 is_kme = ((pdev->manf_id == MANFID_KME) && 195 ((pdev->card_id == PRODID_KME_KXLC005_A) || 196 (pdev->card_id == PRODID_KME_KXLC005_B))); 197 198 /* Not sure if this is right... look up the current Vcc */ 199 CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(pdev, &stk->conf)); 200/* link->conf.Vcc = stk->conf.Vcc; */ 201 202 pass = io_base = ctl_base = 0; 203 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; 204 tuple.Attributes = 0; 205 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(pdev, &tuple)); 206 207 /* Now munch the resources looking for a suitable set */ 208 while (1) { 209 if (pcmcia_get_tuple_data(pdev, &tuple) != 0) 210 goto next_entry; 211 if (pcmcia_parse_tuple(pdev, &tuple, &stk->parse) != 0) 212 goto next_entry; 213 /* Check for matching Vcc, unless we're desperate */ 214 if (!pass) { 215 if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) { 216 if (stk->conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000) 217 goto next_entry; 218 } else if (stk->dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) { 219 if (stk->conf.Vcc != stk->dflt.vcc.param[CISTPL_POWER_VNOM] / 10000) 220 goto next_entry; 221 } 222 } 223 224 if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM)) 225 pdev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000; 226 else if (stk->dflt.vpp1.present & (1 << CISTPL_POWER_VNOM)) 227 pdev->conf.Vpp = stk->dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000; 228 229 if ((cfg->io.nwin > 0) || (stk->dflt.io.nwin > 0)) { 230 cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &stk->dflt.io; 231 pdev->conf.ConfigIndex = cfg->index; 232 pdev->io.BasePort1 = io->win[0].base; 233 pdev->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK; 234 if (!(io->flags & CISTPL_IO_16BIT)) 235 pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_8; 236 if (io->nwin == 2) { 237 pdev->io.NumPorts1 = 8; 238 pdev->io.BasePort2 = io->win[1].base; 239 pdev->io.NumPorts2 = (is_kme) ? 2 : 1; 240 if (pcmcia_request_io(pdev, &pdev->io) != 0) 241 goto next_entry; 242 io_base = pdev->io.BasePort1; 243 ctl_base = pdev->io.BasePort2; 244 } else if ((io->nwin == 1) && (io->win[0].len >= 16)) { 245 pdev->io.NumPorts1 = io->win[0].len; 246 pdev->io.NumPorts2 = 0; 247 if (pcmcia_request_io(pdev, &pdev->io) != 0) 248 goto next_entry; 249 io_base = pdev->io.BasePort1; 250 ctl_base = pdev->io.BasePort1 + 0x0e; 251 } else goto next_entry; 252 /* If we've got this far, we're done */ 253 break; 254 } 255next_entry: 256 if (cfg->flags & CISTPL_CFTABLE_DEFAULT) 257 memcpy(&stk->dflt, cfg, sizeof(stk->dflt)); 258 if (pass) { 259 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(pdev, &tuple)); 260 } else if (pcmcia_get_next_tuple(pdev, &tuple) != 0) { 261 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(pdev, &tuple)); 262 memset(&stk->dflt, 0, sizeof(stk->dflt)); 263 pass++; 264 } 265 } 266 267 CS_CHECK(RequestIRQ, pcmcia_request_irq(pdev, &pdev->irq)); 268 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(pdev, &pdev->conf)); 269 270 /* iomap */ 271 ret = -ENOMEM; 272 io_addr = devm_ioport_map(&pdev->dev, io_base, 8); 273 ctl_addr = devm_ioport_map(&pdev->dev, ctl_base, 1); 274 if (!io_addr || !ctl_addr) 275 goto failed; 276 277 /* Success. Disable the IRQ nIEN line, do quirks */ 278 iowrite8(0x02, ctl_addr); 279 if (is_kme) 280 iowrite8(0x81, ctl_addr + 0x01); 281 282 /* FIXME: Could be more ports at base + 0x10 but we only deal with 283 one right now */ 284 if (pdev->io.NumPorts1 >= 0x20) 285 printk(KERN_WARNING DRV_NAME ": second channel not yet supported.\n"); 286 287 /* 288 * Having done the PCMCIA plumbing the ATA side is relatively 289 * sane. 290 */ 291 ret = -ENOMEM; 292 host = ata_host_alloc(&pdev->dev, 1); 293 if (!host) 294 goto failed; 295 ap = host->ports[0]; 296 297 ap->ops = &pcmcia_port_ops; 298 ap->pio_mask = 1; /* ISA so PIO 0 cycles */ 299 ap->flags |= ATA_FLAG_SLAVE_POSS; 300 ap->ioaddr.cmd_addr = io_addr; 301 ap->ioaddr.altstatus_addr = ctl_addr; 302 ap->ioaddr.ctl_addr = ctl_addr; 303 ata_std_ports(&ap->ioaddr); 304 305 ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", io_base, ctl_base); 306 307 /* activate */ 308 ret = ata_host_activate(host, pdev->irq.AssignedIRQ, ata_interrupt, 309 IRQF_SHARED, &pcmcia_sht); 310 if (ret) 311 goto failed; 312 313 info->ndev = 1; 314 kfree(stk); 315 return 0; 316 317cs_failed: 318 cs_error(pdev, last_fn, last_ret); 319failed: 320 kfree(stk); 321 info->ndev = 0; 322 pcmcia_disable_device(pdev); 323out1: 324 kfree(info); 325 return ret; 326} 327 328/** 329 * pcmcia_remove_one - unplug an pcmcia interface 330 * @pdev: pcmcia device 331 * 332 * A PCMCIA ATA device has been unplugged. Perform the needed 333 * cleanup. Also called on module unload for any active devices. 334 */ 335 336static void pcmcia_remove_one(struct pcmcia_device *pdev) 337{ 338 struct ata_pcmcia_info *info = pdev->priv; 339 struct device *dev = &pdev->dev; 340 341 if (info != NULL) { 342 /* If we have attached the device to the ATA layer, detach it */ 343 if (info->ndev) { 344 struct ata_host *host = dev_get_drvdata(dev); 345 ata_host_detach(host); 346 } 347 info->ndev = 0; 348 pdev->priv = NULL; 349 } 350 pcmcia_disable_device(pdev); 351 kfree(info); 352} 353 354static struct pcmcia_device_id pcmcia_devices[] = { 355 PCMCIA_DEVICE_FUNC_ID(4), 356 PCMCIA_DEVICE_MANF_CARD(0x0007, 0x0000), /* Hitachi */ 357 PCMCIA_DEVICE_MANF_CARD(0x000a, 0x0000), /* I-O Data CFA */ 358 PCMCIA_DEVICE_MANF_CARD(0x001c, 0x0001), /* Mitsubishi CFA */ 359 PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704), 360 PCMCIA_DEVICE_MANF_CARD(0x0032, 0x2904), 361 PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401), /* SanDisk CFA */ 362 PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000), /* Toshiba */ 363 PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d), 364 PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000), /* Samsung */ 365 PCMCIA_DEVICE_MANF_CARD(0x0319, 0x0000), /* Hitachi */ 366 PCMCIA_DEVICE_MANF_CARD(0x2080, 0x0001), 367 PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0100), /* Viking CFA */ 368 PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0200), /* Lexar, Viking CFA */ 369 PCMCIA_DEVICE_PROD_ID123("Caravelle", "PSC-IDE ", "PSC000", 0x8c36137c, 0xd0693ab8, 0x2768a9f0), 370 PCMCIA_DEVICE_PROD_ID123("CDROM", "IDE", "MCD-601p", 0x1b9179ca, 0xede88951, 0x0d902f74), 371 PCMCIA_DEVICE_PROD_ID123("PCMCIA", "IDE CARD", "F1", 0x281f1c5d, 0x1907960c, 0xf7fde8b9), 372 PCMCIA_DEVICE_PROD_ID12("ARGOSY", "CD-ROM", 0x78f308dc, 0x66536591), 373 PCMCIA_DEVICE_PROD_ID12("ARGOSY", "PnPIDE", 0x78f308dc, 0x0c694728), 374 PCMCIA_DEVICE_PROD_ID12("CNF CD-M", "CD-ROM", 0x7d93b852, 0x66536591), 375 PCMCIA_DEVICE_PROD_ID12("Creative Technology Ltd.", "PCMCIA CD-ROM Interface Card", 0xff8c8a45, 0xfe8020c4), 376 PCMCIA_DEVICE_PROD_ID12("Digital Equipment Corporation.", "Digital Mobile Media CD-ROM", 0x17692a66, 0xef1dcbde), 377 PCMCIA_DEVICE_PROD_ID12("EXP", "CD+GAME", 0x6f58c983, 0x63c13aaf), 378 PCMCIA_DEVICE_PROD_ID12("EXP ", "CD-ROM", 0x0a5c52fd, 0x66536591), 379 PCMCIA_DEVICE_PROD_ID12("EXP ", "PnPIDE", 0x0a5c52fd, 0x0c694728), 380 PCMCIA_DEVICE_PROD_ID12("FREECOM", "PCCARD-IDE", 0x5714cbf7, 0x48e0ab8e), 381 PCMCIA_DEVICE_PROD_ID12("HITACHI", "FLASH", 0xf4f43949, 0x9eb86aae), 382 PCMCIA_DEVICE_PROD_ID12("HITACHI", "microdrive", 0xf4f43949, 0xa6d76178), 383 PCMCIA_DEVICE_PROD_ID12("IBM", "microdrive", 0xb569a6e5, 0xa6d76178), 384 PCMCIA_DEVICE_PROD_ID12("IBM", "IBM17JSSFP20", 0xb569a6e5, 0xf2508753), 385 PCMCIA_DEVICE_PROD_ID12("KINGSTON", "CF8GB", 0x2e6d1829, 0xacbe682e), 386 PCMCIA_DEVICE_PROD_ID12("IO DATA", "CBIDE2 ", 0x547e66dc, 0x8671043b), 387 PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149), 388 PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDEII", 0x547e66dc, 0xb3662674), 389 PCMCIA_DEVICE_PROD_ID12("LOOKMEET", "CBIDE2 ", 0xe37be2b5, 0x8671043b), 390 PCMCIA_DEVICE_PROD_ID12("M-Systems", "CF500", 0x7ed2ad87, 0x7a13045c), 391 PCMCIA_DEVICE_PROD_ID2("NinjaATA-", 0xebe0bd79), 392 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "CD-ROM", 0x281f1c5d, 0x66536591), 393 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "PnPIDE", 0x281f1c5d, 0x0c694728), 394 PCMCIA_DEVICE_PROD_ID12("SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", 0x4a3f0ba0, 0x322560e1), 395 PCMCIA_DEVICE_PROD_ID12("SEAGATE", "ST1", 0x87c1b330, 0xe1f30883), 396 PCMCIA_DEVICE_PROD_ID12("SAMSUNG", "04/05/06", 0x43d74cb4, 0x6a22777d), 397 PCMCIA_DEVICE_PROD_ID12("SMI VENDOR", "SMI PRODUCT", 0x30896c92, 0x703cc5f6), 398 PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003), 399 PCMCIA_DEVICE_PROD_ID1("TRANSCEND 512M ", 0xd0909443), 400 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF80", 0x709b1bf1, 0x2a54d4b1), 401 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS2GCF120", 0x709b1bf1, 0x969aa4f2), 402 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF120", 0x709b1bf1, 0xf54a91c8), 403 PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852), 404 PCMCIA_DEVICE_PROD_ID12("WEIDA", "TWTTI", 0xcc7cf69c, 0x212bb918), 405 PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209), 406 PCMCIA_DEVICE_PROD_ID12("STI", "Flash 5.0", 0xbf2df18d, 0x8cb57a0e), 407 PCMCIA_MFC_DEVICE_PROD_ID12(1, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6), 408 PCMCIA_DEVICE_NULL, 409}; 410 411MODULE_DEVICE_TABLE(pcmcia, pcmcia_devices); 412 413static struct pcmcia_driver pcmcia_driver = { 414 .owner = THIS_MODULE, 415 .drv = { 416 .name = DRV_NAME, 417 }, 418 .id_table = pcmcia_devices, 419 .probe = pcmcia_init_one, 420 .remove = pcmcia_remove_one, 421}; 422 423static int __init pcmcia_init(void) 424{ 425 return pcmcia_register_driver(&pcmcia_driver); 426} 427 428static void __exit pcmcia_exit(void) 429{ 430 pcmcia_unregister_driver(&pcmcia_driver); 431} 432 433MODULE_AUTHOR("Alan Cox"); 434MODULE_DESCRIPTION("low-level driver for PCMCIA ATA"); 435MODULE_LICENSE("GPL"); 436MODULE_VERSION(DRV_VERSION); 437 438module_init(pcmcia_init); 439module_exit(pcmcia_exit); 440