pata_pcmcia.c revision efd50585e2ff9bd60e044fda7764d323010a7fe4
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 "0.2.11" 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 57static struct scsi_host_template pcmcia_sht = { 58 .module = THIS_MODULE, 59 .name = DRV_NAME, 60 .ioctl = ata_scsi_ioctl, 61 .queuecommand = ata_scsi_queuecmd, 62 .can_queue = ATA_DEF_QUEUE, 63 .this_id = ATA_SHT_THIS_ID, 64 .sg_tablesize = LIBATA_MAX_PRD, 65 .cmd_per_lun = ATA_SHT_CMD_PER_LUN, 66 .emulated = ATA_SHT_EMULATED, 67 .use_clustering = ATA_SHT_USE_CLUSTERING, 68 .proc_name = DRV_NAME, 69 .dma_boundary = ATA_DMA_BOUNDARY, 70 .slave_configure = ata_scsi_slave_config, 71 .slave_destroy = ata_scsi_slave_destroy, 72 .bios_param = ata_std_bios_param, 73}; 74 75static struct ata_port_operations pcmcia_port_ops = { 76 .port_disable = ata_port_disable, 77 .tf_load = ata_tf_load, 78 .tf_read = ata_tf_read, 79 .check_status = ata_check_status, 80 .exec_command = ata_exec_command, 81 .dev_select = ata_std_dev_select, 82 83 .freeze = ata_bmdma_freeze, 84 .thaw = ata_bmdma_thaw, 85 .error_handler = ata_bmdma_error_handler, 86 .post_internal_cmd = ata_bmdma_post_internal_cmd, 87 88 .qc_prep = ata_qc_prep, 89 .qc_issue = ata_qc_issue_prot, 90 91 .data_xfer = ata_pio_data_xfer_noirq, 92 93 .irq_handler = ata_interrupt, 94 .irq_clear = ata_bmdma_irq_clear, 95 96 .port_start = ata_port_start, 97 .port_stop = ata_port_stop, 98 .host_stop = ata_host_stop 99}; 100 101#define CS_CHECK(fn, ret) \ 102do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) 103 104/** 105 * pcmcia_init_one - attach a PCMCIA interface 106 * @pdev: pcmcia device 107 * 108 * Register a PCMCIA IDE interface. Such interfaces are PIO 0 and 109 * shared IRQ. 110 */ 111 112static int pcmcia_init_one(struct pcmcia_device *pdev) 113{ 114 struct ata_probe_ent ae; 115 struct ata_pcmcia_info *info; 116 tuple_t tuple; 117 struct { 118 unsigned short buf[128]; 119 cisparse_t parse; 120 config_info_t conf; 121 cistpl_cftable_entry_t dflt; 122 } *stk = NULL; 123 cistpl_cftable_entry_t *cfg; 124 int pass, last_ret = 0, last_fn = 0, is_kme = 0, ret = -ENOMEM; 125 unsigned long io_base, ctl_base; 126 127 info = kzalloc(sizeof(*info), GFP_KERNEL); 128 if (info == NULL) 129 return -ENOMEM; 130 131 /* Glue stuff together. FIXME: We may be able to get rid of info with care */ 132 info->pdev = pdev; 133 pdev->priv = info; 134 135 /* Set up attributes in order to probe card and get resources */ 136 pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; 137 pdev->io.Attributes2 = IO_DATA_PATH_WIDTH_8; 138 pdev->io.IOAddrLines = 3; 139 pdev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING; 140 pdev->irq.IRQInfo1 = IRQ_LEVEL_ID; 141 pdev->conf.Attributes = CONF_ENABLE_IRQ; 142 pdev->conf.IntType = INT_MEMORY_AND_IO; 143 144 /* Allocate resoure probing structures */ 145 146 stk = kzalloc(sizeof(*stk), GFP_KERNEL); 147 if (!stk) 148 goto out1; 149 150 cfg = &stk->parse.cftable_entry; 151 152 /* Tuples we are walking */ 153 tuple.TupleData = (cisdata_t *)&stk->buf; 154 tuple.TupleOffset = 0; 155 tuple.TupleDataMax = 255; 156 tuple.Attributes = 0; 157 tuple.DesiredTuple = CISTPL_CONFIG; 158 159 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(pdev, &tuple)); 160 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(pdev, &tuple)); 161 CS_CHECK(ParseTuple, pcmcia_parse_tuple(pdev, &tuple, &stk->parse)); 162 pdev->conf.ConfigBase = stk->parse.config.base; 163 pdev->conf.Present = stk->parse.config.rmask[0]; 164 165 /* See if we have a manufacturer identifier. Use it to set is_kme for 166 vendor quirks */ 167 is_kme = ((pdev->manf_id == MANFID_KME) && 168 ((pdev->card_id == PRODID_KME_KXLC005_A) || 169 (pdev->card_id == PRODID_KME_KXLC005_B))); 170 171 /* Not sure if this is right... look up the current Vcc */ 172 CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(pdev, &stk->conf)); 173/* link->conf.Vcc = stk->conf.Vcc; */ 174 175 pass = io_base = ctl_base = 0; 176 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; 177 tuple.Attributes = 0; 178 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(pdev, &tuple)); 179 180 /* Now munch the resources looking for a suitable set */ 181 while (1) { 182 if (pcmcia_get_tuple_data(pdev, &tuple) != 0) 183 goto next_entry; 184 if (pcmcia_parse_tuple(pdev, &tuple, &stk->parse) != 0) 185 goto next_entry; 186 /* Check for matching Vcc, unless we're desperate */ 187 if (!pass) { 188 if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) { 189 if (stk->conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000) 190 goto next_entry; 191 } else if (stk->dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) { 192 if (stk->conf.Vcc != stk->dflt.vcc.param[CISTPL_POWER_VNOM] / 10000) 193 goto next_entry; 194 } 195 } 196 197 if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM)) 198 pdev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000; 199 else if (stk->dflt.vpp1.present & (1 << CISTPL_POWER_VNOM)) 200 pdev->conf.Vpp = stk->dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000; 201 202 if ((cfg->io.nwin > 0) || (stk->dflt.io.nwin > 0)) { 203 cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &stk->dflt.io; 204 pdev->conf.ConfigIndex = cfg->index; 205 pdev->io.BasePort1 = io->win[0].base; 206 pdev->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK; 207 if (!(io->flags & CISTPL_IO_16BIT)) 208 pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_8; 209 if (io->nwin == 2) { 210 pdev->io.NumPorts1 = 8; 211 pdev->io.BasePort2 = io->win[1].base; 212 pdev->io.NumPorts2 = (is_kme) ? 2 : 1; 213 if (pcmcia_request_io(pdev, &pdev->io) != 0) 214 goto next_entry; 215 io_base = pdev->io.BasePort1; 216 ctl_base = pdev->io.BasePort2; 217 } else if ((io->nwin == 1) && (io->win[0].len >= 16)) { 218 pdev->io.NumPorts1 = io->win[0].len; 219 pdev->io.NumPorts2 = 0; 220 if (pcmcia_request_io(pdev, &pdev->io) != 0) 221 goto next_entry; 222 io_base = pdev->io.BasePort1; 223 ctl_base = pdev->io.BasePort1 + 0x0e; 224 } else goto next_entry; 225 /* If we've got this far, we're done */ 226 break; 227 } 228next_entry: 229 if (cfg->flags & CISTPL_CFTABLE_DEFAULT) 230 memcpy(&stk->dflt, cfg, sizeof(stk->dflt)); 231 if (pass) { 232 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(pdev, &tuple)); 233 } else if (pcmcia_get_next_tuple(pdev, &tuple) != 0) { 234 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(pdev, &tuple)); 235 memset(&stk->dflt, 0, sizeof(stk->dflt)); 236 pass++; 237 } 238 } 239 240 CS_CHECK(RequestIRQ, pcmcia_request_irq(pdev, &pdev->irq)); 241 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(pdev, &pdev->conf)); 242 243 /* Success. Disable the IRQ nIEN line, do quirks */ 244 outb(0x02, ctl_base); 245 if (is_kme) 246 outb(0x81, ctl_base + 0x01); 247 248 /* FIXME: Could be more ports at base + 0x10 but we only deal with 249 one right now */ 250 if (pdev->io.NumPorts1 >= 0x20) 251 printk(KERN_WARNING DRV_NAME ": second channel not yet supported.\n"); 252 253 /* 254 * Having done the PCMCIA plumbing the ATA side is relatively 255 * sane. 256 */ 257 258 memset(&ae, 0, sizeof(struct ata_probe_ent)); 259 INIT_LIST_HEAD(&ae.node); 260 ae.dev = &pdev->dev; 261 ae.port_ops = &pcmcia_port_ops; 262 ae.sht = &pcmcia_sht; 263 ae.n_ports = 1; 264 ae.pio_mask = 1; /* ISA so PIO 0 cycles */ 265 ae.irq = pdev->irq.AssignedIRQ; 266 ae.irq_flags = SA_SHIRQ; 267 ae.port_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST; 268 ae.port[0].cmd_addr = io_base; 269 ae.port[0].altstatus_addr = ctl_base; 270 ae.port[0].ctl_addr = ctl_base; 271 ata_std_ports(&ae.port[0]); 272 273 if (ata_device_add(&ae) == 0) 274 goto failed; 275 276 info->ndev = 1; 277 kfree(stk); 278 return 0; 279 280cs_failed: 281 cs_error(pdev, last_fn, last_ret); 282failed: 283 kfree(stk); 284 info->ndev = 0; 285 pcmcia_disable_device(pdev); 286out1: 287 kfree(info); 288 return ret; 289} 290 291/** 292 * pcmcia_remove_one - unplug an pcmcia interface 293 * @pdev: pcmcia device 294 * 295 * A PCMCIA ATA device has been unplugged. Perform the needed 296 * cleanup. Also called on module unload for any active devices. 297 */ 298 299static void pcmcia_remove_one(struct pcmcia_device *pdev) 300{ 301 struct ata_pcmcia_info *info = pdev->priv; 302 struct device *dev = &pdev->dev; 303 304 if (info != NULL) { 305 /* If we have attached the device to the ATA layer, detach it */ 306 if (info->ndev) { 307 struct ata_host *host = dev_get_drvdata(dev); 308 ata_host_remove(host); 309 dev_set_drvdata(dev, NULL); 310 } 311 info->ndev = 0; 312 pdev->priv = NULL; 313 } 314 pcmcia_disable_device(pdev); 315 kfree(info); 316} 317 318static struct pcmcia_device_id pcmcia_devices[] = { 319 PCMCIA_DEVICE_FUNC_ID(4), 320 PCMCIA_DEVICE_MANF_CARD(0x0007, 0x0000), /* Hitachi */ 321 PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704), 322 PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401), 323 PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000), /* Toshiba */ 324 PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d), 325 PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000), /* Samsung */ 326 PCMCIA_DEVICE_MANF_CARD(0x0319, 0x0000), /* Hitachi */ 327 PCMCIA_DEVICE_MANF_CARD(0x2080, 0x0001), 328 PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0200), /* Lexar */ 329 PCMCIA_DEVICE_PROD_ID123("Caravelle", "PSC-IDE ", "PSC000", 0x8c36137c, 0xd0693ab8, 0x2768a9f0), 330 PCMCIA_DEVICE_PROD_ID123("CDROM", "IDE", "MCD-601p", 0x1b9179ca, 0xede88951, 0x0d902f74), 331 PCMCIA_DEVICE_PROD_ID123("PCMCIA", "IDE CARD", "F1", 0x281f1c5d, 0x1907960c, 0xf7fde8b9), 332 PCMCIA_DEVICE_PROD_ID12("ARGOSY", "CD-ROM", 0x78f308dc, 0x66536591), 333 PCMCIA_DEVICE_PROD_ID12("ARGOSY", "PnPIDE", 0x78f308dc, 0x0c694728), 334 PCMCIA_DEVICE_PROD_ID12("CNF CD-M", "CD-ROM", 0x7d93b852, 0x66536591), 335 PCMCIA_DEVICE_PROD_ID12("Creative Technology Ltd.", "PCMCIA CD-ROM Interface Card", 0xff8c8a45, 0xfe8020c4), 336 PCMCIA_DEVICE_PROD_ID12("Digital Equipment Corporation.", "Digital Mobile Media CD-ROM", 0x17692a66, 0xef1dcbde), 337 PCMCIA_DEVICE_PROD_ID12("EXP", "CD+GAME", 0x6f58c983, 0x63c13aaf), 338 PCMCIA_DEVICE_PROD_ID12("EXP ", "CD-ROM", 0x0a5c52fd, 0x66536591), 339 PCMCIA_DEVICE_PROD_ID12("EXP ", "PnPIDE", 0x0a5c52fd, 0x0c694728), 340 PCMCIA_DEVICE_PROD_ID12("FREECOM", "PCCARD-IDE", 0x5714cbf7, 0x48e0ab8e), 341 PCMCIA_DEVICE_PROD_ID12("HITACHI", "FLASH", 0xf4f43949, 0x9eb86aae), 342 PCMCIA_DEVICE_PROD_ID12("HITACHI", "microdrive", 0xf4f43949, 0xa6d76178), 343 PCMCIA_DEVICE_PROD_ID12("IBM", "microdrive", 0xb569a6e5, 0xa6d76178), 344 PCMCIA_DEVICE_PROD_ID12("IBM", "IBM17JSSFP20", 0xb569a6e5, 0xf2508753), 345 PCMCIA_DEVICE_PROD_ID12("IO DATA", "CBIDE2 ", 0x547e66dc, 0x8671043b), 346 PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149), 347 PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDEII", 0x547e66dc, 0xb3662674), 348 PCMCIA_DEVICE_PROD_ID12("LOOKMEET", "CBIDE2 ", 0xe37be2b5, 0x8671043b), 349 PCMCIA_DEVICE_PROD_ID12("M-Systems", "CF500", 0x7ed2ad87, 0x7a13045c), 350 PCMCIA_DEVICE_PROD_ID2("NinjaATA-", 0xebe0bd79), 351 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "CD-ROM", 0x281f1c5d, 0x66536591), 352 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "PnPIDE", 0x281f1c5d, 0x0c694728), 353 PCMCIA_DEVICE_PROD_ID12("SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", 0x4a3f0ba0, 0x322560e1), 354 PCMCIA_DEVICE_PROD_ID12("SEAGATE", "ST1", 0x87c1b330, 0xe1f30883), 355 PCMCIA_DEVICE_PROD_ID12("SAMSUNG", "04/05/06", 0x43d74cb4, 0x6a22777d), 356 PCMCIA_DEVICE_PROD_ID12("SMI VENDOR", "SMI PRODUCT", 0x30896c92, 0x703cc5f6), 357 PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003), 358 PCMCIA_DEVICE_PROD_ID1("TRANSCEND 512M ", 0xd0909443), 359 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF80", 0x709b1bf1, 0x2a54d4b1), 360 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF120", 0x709b1bf1, 0xf54a91c8), 361 PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852), 362 PCMCIA_DEVICE_PROD_ID12("WEIDA", "TWTTI", 0xcc7cf69c, 0x212bb918), 363 PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209), 364 PCMCIA_DEVICE_PROD_ID12("STI", "Flash 5.0", 0xbf2df18d, 0x8cb57a0e), 365 PCMCIA_MFC_DEVICE_PROD_ID12(1, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6), 366 PCMCIA_DEVICE_NULL, 367}; 368 369MODULE_DEVICE_TABLE(pcmcia, pcmcia_devices); 370 371static struct pcmcia_driver pcmcia_driver = { 372 .owner = THIS_MODULE, 373 .drv = { 374 .name = DRV_NAME, 375 }, 376 .id_table = pcmcia_devices, 377 .probe = pcmcia_init_one, 378 .remove = pcmcia_remove_one, 379}; 380 381static int __init pcmcia_init(void) 382{ 383 return pcmcia_register_driver(&pcmcia_driver); 384} 385 386static void __exit pcmcia_exit(void) 387{ 388 pcmcia_unregister_driver(&pcmcia_driver); 389} 390 391MODULE_AUTHOR("Alan Cox"); 392MODULE_DESCRIPTION("low-level driver for PCMCIA ATA"); 393MODULE_LICENSE("GPL"); 394MODULE_VERSION(DRV_VERSION); 395 396module_init(pcmcia_init); 397module_exit(pcmcia_exit); 398