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>
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)
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.
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.
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.
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>
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>
44 #define DRV_NAME "pata_pcmcia"
45 #define DRV_VERSION "0.3.3"
48 * Private data structure to glue stuff together
51 struct ata_pcmcia_info {
52 struct pcmcia_device *pdev;
58 * pcmcia_set_mode - PCMCIA specific mode setup
60 * @r_failed_dev: Return pointer for failed device
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
68 static int pcmcia_set_mode(struct ata_link *link, struct ata_device **r_failed_dev)
70 struct ata_device *master = &link->device[0];
71 struct ata_device *slave = &link->device[1];
73 if (!ata_dev_enabled(master) || !ata_dev_enabled(slave))
74 return ata_do_set_mode(link, r_failed_dev);
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 /* Suspicious match, but could be two cards from
79 the same vendor - check serial */
80 if (memcmp(master->id + ATA_ID_SERNO, slave->id + ATA_ID_SERNO,
81 ATA_ID_SERNO_LEN) == 0 && master->id[ATA_ID_SERNO] >> 8) {
82 ata_dev_printk(slave, KERN_WARNING, "is a ghost device, ignoring.\n");
83 ata_dev_disable(slave);
86 return ata_do_set_mode(link, r_failed_dev);
90 * pcmcia_set_mode_8bit - PCMCIA specific mode setup
92 * @r_failed_dev: Return pointer for failed device
94 * For the simple emulated 8bit stuff the less we do the better.
97 static int pcmcia_set_mode_8bit(struct ata_link *link,
98 struct ata_device **r_failed_dev)
104 * ata_data_xfer_8bit - Transfer data by 8bit PIO
105 * @dev: device to target
107 * @buflen: buffer length
110 * Transfer data from/to the device data register by 8 bit PIO.
113 * Inherited from caller.
116 static unsigned int ata_data_xfer_8bit(struct ata_device *dev,
117 unsigned char *buf, unsigned int buflen, int rw)
119 struct ata_port *ap = dev->link->ap;
122 ioread8_rep(ap->ioaddr.data_addr, buf, buflen);
124 iowrite8_rep(ap->ioaddr.data_addr, buf, buflen);
130 static struct scsi_host_template pcmcia_sht = {
131 ATA_PIO_SHT(DRV_NAME),
134 static struct ata_port_operations pcmcia_port_ops = {
135 .set_mode = pcmcia_set_mode,
136 .tf_load = ata_tf_load,
137 .tf_read = ata_tf_read,
138 .check_status = ata_check_status,
139 .exec_command = ata_exec_command,
140 .dev_select = ata_std_dev_select,
142 .freeze = ata_bmdma_freeze,
143 .thaw = ata_bmdma_thaw,
144 .error_handler = ata_bmdma_error_handler,
145 .post_internal_cmd = ata_bmdma_post_internal_cmd,
146 .cable_detect = ata_cable_40wire,
148 .qc_prep = ata_qc_prep,
149 .qc_issue = ata_qc_issue_prot,
151 .data_xfer = ata_data_xfer_noirq,
153 .irq_clear = ata_noop_irq_clear,
154 .irq_on = ata_irq_on,
156 .port_start = ata_sff_port_start,
159 static struct ata_port_operations pcmcia_8bit_port_ops = {
160 .set_mode = pcmcia_set_mode_8bit,
161 .tf_load = ata_tf_load,
162 .tf_read = ata_tf_read,
163 .check_status = ata_check_status,
164 .exec_command = ata_exec_command,
165 .dev_select = ata_std_dev_select,
167 .freeze = ata_bmdma_freeze,
168 .thaw = ata_bmdma_thaw,
169 .error_handler = ata_bmdma_error_handler,
170 .post_internal_cmd = ata_bmdma_post_internal_cmd,
171 .cable_detect = ata_cable_40wire,
173 .qc_prep = ata_qc_prep,
174 .qc_issue = ata_qc_issue_prot,
176 .data_xfer = ata_data_xfer_8bit,
178 .irq_clear = ata_noop_irq_clear,
179 .irq_on = ata_irq_on,
181 .port_start = ata_sff_port_start,
184 #define CS_CHECK(fn, ret) \
185 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
188 * pcmcia_init_one - attach a PCMCIA interface
189 * @pdev: pcmcia device
191 * Register a PCMCIA IDE interface. Such interfaces are PIO 0 and
195 static int pcmcia_init_one(struct pcmcia_device *pdev)
197 struct ata_host *host;
199 struct ata_pcmcia_info *info;
202 unsigned short buf[128];
205 cistpl_cftable_entry_t dflt;
207 cistpl_cftable_entry_t *cfg;
208 int pass, last_ret = 0, last_fn = 0, is_kme = 0, ret = -ENOMEM, p;
209 unsigned long io_base, ctl_base;
210 void __iomem *io_addr, *ctl_addr;
213 struct ata_port_operations *ops = &pcmcia_port_ops;
215 info = kzalloc(sizeof(*info), GFP_KERNEL);
219 /* Glue stuff together. FIXME: We may be able to get rid of info with care */
223 /* Set up attributes in order to probe card and get resources */
224 pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
225 pdev->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
226 pdev->io.IOAddrLines = 3;
227 pdev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
228 pdev->irq.IRQInfo1 = IRQ_LEVEL_ID;
229 pdev->conf.Attributes = CONF_ENABLE_IRQ;
230 pdev->conf.IntType = INT_MEMORY_AND_IO;
232 /* Allocate resoure probing structures */
234 stk = kzalloc(sizeof(*stk), GFP_KERNEL);
238 cfg = &stk->parse.cftable_entry;
240 /* Tuples we are walking */
241 tuple.TupleData = (cisdata_t *)&stk->buf;
242 tuple.TupleOffset = 0;
243 tuple.TupleDataMax = 255;
244 tuple.Attributes = 0;
246 /* See if we have a manufacturer identifier. Use it to set is_kme for
248 is_kme = ((pdev->manf_id == MANFID_KME) &&
249 ((pdev->card_id == PRODID_KME_KXLC005_A) ||
250 (pdev->card_id == PRODID_KME_KXLC005_B)));
252 /* Not sure if this is right... look up the current Vcc */
253 CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(pdev, &stk->conf));
254 /* link->conf.Vcc = stk->conf.Vcc; */
256 pass = io_base = ctl_base = 0;
257 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
258 tuple.Attributes = 0;
259 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(pdev, &tuple));
261 /* Now munch the resources looking for a suitable set */
263 if (pcmcia_get_tuple_data(pdev, &tuple) != 0)
265 if (pcmcia_parse_tuple(pdev, &tuple, &stk->parse) != 0)
267 /* Check for matching Vcc, unless we're desperate */
269 if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
270 if (stk->conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000)
272 } else if (stk->dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
273 if (stk->conf.Vcc != stk->dflt.vcc.param[CISTPL_POWER_VNOM] / 10000)
278 if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
279 pdev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
280 else if (stk->dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
281 pdev->conf.Vpp = stk->dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
283 if ((cfg->io.nwin > 0) || (stk->dflt.io.nwin > 0)) {
284 cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &stk->dflt.io;
285 pdev->conf.ConfigIndex = cfg->index;
286 pdev->io.BasePort1 = io->win[0].base;
287 pdev->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
288 if (!(io->flags & CISTPL_IO_16BIT))
289 pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
291 pdev->io.NumPorts1 = 8;
292 pdev->io.BasePort2 = io->win[1].base;
293 pdev->io.NumPorts2 = (is_kme) ? 2 : 1;
294 if (pcmcia_request_io(pdev, &pdev->io) != 0)
296 io_base = pdev->io.BasePort1;
297 ctl_base = pdev->io.BasePort2;
298 } else if ((io->nwin == 1) && (io->win[0].len >= 16)) {
299 pdev->io.NumPorts1 = io->win[0].len;
300 pdev->io.NumPorts2 = 0;
301 if (pcmcia_request_io(pdev, &pdev->io) != 0)
303 io_base = pdev->io.BasePort1;
304 ctl_base = pdev->io.BasePort1 + 0x0e;
307 /* If we've got this far, we're done */
311 if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
312 memcpy(&stk->dflt, cfg, sizeof(stk->dflt));
314 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(pdev, &tuple));
315 } else if (pcmcia_get_next_tuple(pdev, &tuple) != 0) {
316 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(pdev, &tuple));
317 memset(&stk->dflt, 0, sizeof(stk->dflt));
322 CS_CHECK(RequestIRQ, pcmcia_request_irq(pdev, &pdev->irq));
323 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(pdev, &pdev->conf));
327 io_addr = devm_ioport_map(&pdev->dev, io_base, 8);
328 ctl_addr = devm_ioport_map(&pdev->dev, ctl_base, 1);
329 if (!io_addr || !ctl_addr)
332 /* Success. Disable the IRQ nIEN line, do quirks */
333 iowrite8(0x02, ctl_addr);
335 iowrite8(0x81, ctl_addr + 0x01);
337 /* FIXME: Could be more ports at base + 0x10 but we only deal with
339 if (pdev->io.NumPorts1 >= 0x20)
342 if (pdev->manf_id == 0x0097 && pdev->card_id == 0x1620)
343 ops = &pcmcia_8bit_port_ops;
345 * Having done the PCMCIA plumbing the ATA side is relatively
349 host = ata_host_alloc(&pdev->dev, n_ports);
353 for (p = 0; p < n_ports; p++) {
357 ap->pio_mask = 1; /* ISA so PIO 0 cycles */
358 ap->flags |= ATA_FLAG_SLAVE_POSS;
359 ap->ioaddr.cmd_addr = io_addr + 0x10 * p;
360 ap->ioaddr.altstatus_addr = ctl_addr + 0x10 * p;
361 ap->ioaddr.ctl_addr = ctl_addr + 0x10 * p;
362 ata_std_ports(&ap->ioaddr);
364 ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", io_base, ctl_base);
368 ret = ata_host_activate(host, pdev->irq.AssignedIRQ, ata_interrupt,
369 IRQF_SHARED, &pcmcia_sht);
378 cs_error(pdev, last_fn, last_ret);
382 pcmcia_disable_device(pdev);
389 * pcmcia_remove_one - unplug an pcmcia interface
390 * @pdev: pcmcia device
392 * A PCMCIA ATA device has been unplugged. Perform the needed
393 * cleanup. Also called on module unload for any active devices.
396 static void pcmcia_remove_one(struct pcmcia_device *pdev)
398 struct ata_pcmcia_info *info = pdev->priv;
399 struct device *dev = &pdev->dev;
402 /* If we have attached the device to the ATA layer, detach it */
404 struct ata_host *host = dev_get_drvdata(dev);
405 ata_host_detach(host);
410 pcmcia_disable_device(pdev);
414 static struct pcmcia_device_id pcmcia_devices[] = {
415 PCMCIA_DEVICE_FUNC_ID(4),
416 PCMCIA_DEVICE_MANF_CARD(0x0000, 0x0000), /* Corsair */
417 PCMCIA_DEVICE_MANF_CARD(0x0007, 0x0000), /* Hitachi */
418 PCMCIA_DEVICE_MANF_CARD(0x000a, 0x0000), /* I-O Data CFA */
419 PCMCIA_DEVICE_MANF_CARD(0x001c, 0x0001), /* Mitsubishi CFA */
420 PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704),
421 PCMCIA_DEVICE_MANF_CARD(0x0032, 0x2904),
422 PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401), /* SanDisk CFA */
423 PCMCIA_DEVICE_MANF_CARD(0x0097, 0x1620), /* TI emulated */
424 PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000), /* Toshiba */
425 PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d),
426 PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000), /* Samsung */
427 PCMCIA_DEVICE_MANF_CARD(0x0319, 0x0000), /* Hitachi */
428 PCMCIA_DEVICE_MANF_CARD(0x2080, 0x0001),
429 PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0100), /* Viking CFA */
430 PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0200), /* Lexar, Viking CFA */
431 PCMCIA_DEVICE_PROD_ID123("Caravelle", "PSC-IDE ", "PSC000", 0x8c36137c, 0xd0693ab8, 0x2768a9f0),
432 PCMCIA_DEVICE_PROD_ID123("CDROM", "IDE", "MCD-601p", 0x1b9179ca, 0xede88951, 0x0d902f74),
433 PCMCIA_DEVICE_PROD_ID123("PCMCIA", "IDE CARD", "F1", 0x281f1c5d, 0x1907960c, 0xf7fde8b9),
434 PCMCIA_DEVICE_PROD_ID12("ARGOSY", "CD-ROM", 0x78f308dc, 0x66536591),
435 PCMCIA_DEVICE_PROD_ID12("ARGOSY", "PnPIDE", 0x78f308dc, 0x0c694728),
436 PCMCIA_DEVICE_PROD_ID12("CNF CD-M", "CD-ROM", 0x7d93b852, 0x66536591),
437 PCMCIA_DEVICE_PROD_ID12("Creative Technology Ltd.", "PCMCIA CD-ROM Interface Card", 0xff8c8a45, 0xfe8020c4),
438 PCMCIA_DEVICE_PROD_ID12("Digital Equipment Corporation.", "Digital Mobile Media CD-ROM", 0x17692a66, 0xef1dcbde),
439 PCMCIA_DEVICE_PROD_ID12("EXP", "CD+GAME", 0x6f58c983, 0x63c13aaf),
440 PCMCIA_DEVICE_PROD_ID12("EXP ", "CD-ROM", 0x0a5c52fd, 0x66536591),
441 PCMCIA_DEVICE_PROD_ID12("EXP ", "PnPIDE", 0x0a5c52fd, 0x0c694728),
442 PCMCIA_DEVICE_PROD_ID12("FREECOM", "PCCARD-IDE", 0x5714cbf7, 0x48e0ab8e),
443 PCMCIA_DEVICE_PROD_ID12("Hyperstone", "Model1", 0x3d5b9ef5, 0xca6ab420),
444 PCMCIA_DEVICE_PROD_ID12("HITACHI", "FLASH", 0xf4f43949, 0x9eb86aae),
445 PCMCIA_DEVICE_PROD_ID12("HITACHI", "microdrive", 0xf4f43949, 0xa6d76178),
446 PCMCIA_DEVICE_PROD_ID12("IBM", "microdrive", 0xb569a6e5, 0xa6d76178),
447 PCMCIA_DEVICE_PROD_ID12("IBM", "IBM17JSSFP20", 0xb569a6e5, 0xf2508753),
448 PCMCIA_DEVICE_PROD_ID12("KINGSTON", "CF8GB", 0x2e6d1829, 0xacbe682e),
449 PCMCIA_DEVICE_PROD_ID12("IO DATA", "CBIDE2 ", 0x547e66dc, 0x8671043b),
450 PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149),
451 PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDEII", 0x547e66dc, 0xb3662674),
452 PCMCIA_DEVICE_PROD_ID12("LOOKMEET", "CBIDE2 ", 0xe37be2b5, 0x8671043b),
453 PCMCIA_DEVICE_PROD_ID12("M-Systems", "CF500", 0x7ed2ad87, 0x7a13045c),
454 PCMCIA_DEVICE_PROD_ID2("NinjaATA-", 0xebe0bd79),
455 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "CD-ROM", 0x281f1c5d, 0x66536591),
456 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "PnPIDE", 0x281f1c5d, 0x0c694728),
457 PCMCIA_DEVICE_PROD_ID12("SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", 0x4a3f0ba0, 0x322560e1),
458 PCMCIA_DEVICE_PROD_ID12("SEAGATE", "ST1", 0x87c1b330, 0xe1f30883),
459 PCMCIA_DEVICE_PROD_ID12("SAMSUNG", "04/05/06", 0x43d74cb4, 0x6a22777d),
460 PCMCIA_DEVICE_PROD_ID12("SMI VENDOR", "SMI PRODUCT", 0x30896c92, 0x703cc5f6),
461 PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003),
462 PCMCIA_DEVICE_PROD_ID1("TRANSCEND 512M ", 0xd0909443),
463 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF80", 0x709b1bf1, 0x2a54d4b1),
464 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS2GCF120", 0x709b1bf1, 0x969aa4f2),
465 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF120", 0x709b1bf1, 0xf54a91c8),
466 PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852),
467 PCMCIA_DEVICE_PROD_ID12("WEIDA", "TWTTI", 0xcc7cf69c, 0x212bb918),
468 PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209),
469 PCMCIA_DEVICE_PROD_ID12("STI", "Flash 5.0", 0xbf2df18d, 0x8cb57a0e),
470 PCMCIA_MFC_DEVICE_PROD_ID12(1, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6),
474 MODULE_DEVICE_TABLE(pcmcia, pcmcia_devices);
476 static struct pcmcia_driver pcmcia_driver = {
477 .owner = THIS_MODULE,
481 .id_table = pcmcia_devices,
482 .probe = pcmcia_init_one,
483 .remove = pcmcia_remove_one,
486 static int __init pcmcia_init(void)
488 return pcmcia_register_driver(&pcmcia_driver);
491 static void __exit pcmcia_exit(void)
493 pcmcia_unregister_driver(&pcmcia_driver);
496 MODULE_AUTHOR("Alan Cox");
497 MODULE_DESCRIPTION("low-level driver for PCMCIA ATA");
498 MODULE_LICENSE("GPL");
499 MODULE_VERSION(DRV_VERSION);
501 module_init(pcmcia_init);
502 module_exit(pcmcia_exit);