2 * pata_pcmcia.c - PCMCIA PATA controller driver.
3 * Copyright 2005-2006 Red Hat Inc, 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 <linux/slab.h>
33 #include <scsi/scsi_host.h>
34 #include <linux/ata.h>
35 #include <linux/libata.h>
37 #include <pcmcia/cs_types.h>
38 #include <pcmcia/cs.h>
39 #include <pcmcia/cistpl.h>
40 #include <pcmcia/ds.h>
41 #include <pcmcia/cisreg.h>
42 #include <pcmcia/ciscode.h>
45 #define DRV_NAME "pata_pcmcia"
46 #define DRV_VERSION "0.3.5"
49 * pcmcia_set_mode - PCMCIA specific mode setup
51 * @r_failed_dev: Return pointer for failed device
53 * Perform the tuning and setup of the devices and timings, which
54 * for PCMCIA is the same as any other controller. We wrap it however
55 * as we need to spot hardware with incorrect or missing master/slave
56 * decode, which alas is embarrassingly common in the PC world
59 static int pcmcia_set_mode(struct ata_link *link, struct ata_device **r_failed_dev)
61 struct ata_device *master = &link->device[0];
62 struct ata_device *slave = &link->device[1];
64 if (!ata_dev_enabled(master) || !ata_dev_enabled(slave))
65 return ata_do_set_mode(link, r_failed_dev);
67 if (memcmp(master->id + ATA_ID_FW_REV, slave->id + ATA_ID_FW_REV,
68 ATA_ID_FW_REV_LEN + ATA_ID_PROD_LEN) == 0) {
69 /* Suspicious match, but could be two cards from
70 the same vendor - check serial */
71 if (memcmp(master->id + ATA_ID_SERNO, slave->id + ATA_ID_SERNO,
72 ATA_ID_SERNO_LEN) == 0 && master->id[ATA_ID_SERNO] >> 8) {
73 ata_dev_printk(slave, KERN_WARNING, "is a ghost device, ignoring.\n");
74 ata_dev_disable(slave);
77 return ata_do_set_mode(link, r_failed_dev);
81 * pcmcia_set_mode_8bit - PCMCIA specific mode setup
83 * @r_failed_dev: Return pointer for failed device
85 * For the simple emulated 8bit stuff the less we do the better.
88 static int pcmcia_set_mode_8bit(struct ata_link *link,
89 struct ata_device **r_failed_dev)
95 * ata_data_xfer_8bit - Transfer data by 8bit PIO
96 * @dev: device to target
98 * @buflen: buffer length
101 * Transfer data from/to the device data register by 8 bit PIO.
104 * Inherited from caller.
107 static unsigned int ata_data_xfer_8bit(struct ata_device *dev,
108 unsigned char *buf, unsigned int buflen, int rw)
110 struct ata_port *ap = dev->link->ap;
113 ioread8_rep(ap->ioaddr.data_addr, buf, buflen);
115 iowrite8_rep(ap->ioaddr.data_addr, buf, buflen);
121 * pcmcia_8bit_drain_fifo - Stock FIFO drain logic for SFF controllers
124 * Drain the FIFO and device of any stuck data following a command
125 * failing to complete. In some cases this is necessary before a
126 * reset will recover the device.
130 static void pcmcia_8bit_drain_fifo(struct ata_queued_cmd *qc)
135 /* We only need to flush incoming data when a command was running */
136 if (qc == NULL || qc->dma_dir == DMA_TO_DEVICE)
141 /* Drain up to 64K of data before we give up this recovery method */
142 for (count = 0; (ap->ops->sff_check_status(ap) & ATA_DRQ)
144 ioread8(ap->ioaddr.data_addr);
147 ata_port_printk(ap, KERN_WARNING, "drained %d bytes to clear DRQ.\n",
152 static struct scsi_host_template pcmcia_sht = {
153 ATA_PIO_SHT(DRV_NAME),
156 static struct ata_port_operations pcmcia_port_ops = {
157 .inherits = &ata_sff_port_ops,
158 .sff_data_xfer = ata_sff_data_xfer_noirq,
159 .cable_detect = ata_cable_40wire,
160 .set_mode = pcmcia_set_mode,
163 static struct ata_port_operations pcmcia_8bit_port_ops = {
164 .inherits = &ata_sff_port_ops,
165 .sff_data_xfer = ata_data_xfer_8bit,
166 .cable_detect = ata_cable_40wire,
167 .set_mode = pcmcia_set_mode_8bit,
168 .sff_drain_fifo = pcmcia_8bit_drain_fifo,
172 struct pcmcia_config_check {
173 unsigned long ctl_base;
178 static int pcmcia_check_one_config(struct pcmcia_device *pdev,
179 cistpl_cftable_entry_t *cfg,
180 cistpl_cftable_entry_t *dflt,
184 struct pcmcia_config_check *stk = priv_data;
186 /* Check for matching Vcc, unless we're desperate */
187 if (!stk->skip_vcc) {
188 if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
189 if (vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000)
191 } else if (dflt->vcc.present & (1 << CISTPL_POWER_VNOM)) {
192 if (vcc != dflt->vcc.param[CISTPL_POWER_VNOM] / 10000)
197 if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
198 pdev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
199 else if (dflt->vpp1.present & (1 << CISTPL_POWER_VNOM))
200 pdev->conf.Vpp = dflt->vpp1.param[CISTPL_POWER_VNOM] / 10000;
202 if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) {
203 cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io;
204 pdev->io.BasePort1 = io->win[0].base;
205 pdev->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
206 if (!(io->flags & CISTPL_IO_16BIT))
207 pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
209 pdev->io.NumPorts1 = 8;
210 pdev->io.BasePort2 = io->win[1].base;
211 pdev->io.NumPorts2 = (stk->is_kme) ? 2 : 1;
212 if (pcmcia_request_io(pdev, &pdev->io) != 0)
214 stk->ctl_base = pdev->io.BasePort2;
215 } else if ((io->nwin == 1) && (io->win[0].len >= 16)) {
216 pdev->io.NumPorts1 = io->win[0].len;
217 pdev->io.NumPorts2 = 0;
218 if (pcmcia_request_io(pdev, &pdev->io) != 0)
220 stk->ctl_base = pdev->io.BasePort1 + 0x0e;
223 /* If we've got this far, we're done */
230 * pcmcia_init_one - attach a PCMCIA interface
231 * @pdev: pcmcia device
233 * Register a PCMCIA IDE interface. Such interfaces are PIO 0 and
237 static int pcmcia_init_one(struct pcmcia_device *pdev)
239 struct ata_host *host;
241 struct pcmcia_config_check *stk = NULL;
242 int is_kme = 0, ret = -ENOMEM, p;
243 unsigned long io_base, ctl_base;
244 void __iomem *io_addr, *ctl_addr;
246 struct ata_port_operations *ops = &pcmcia_port_ops;
248 /* Set up attributes in order to probe card and get resources */
249 pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
250 pdev->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
251 pdev->io.IOAddrLines = 3;
252 pdev->conf.Attributes = CONF_ENABLE_IRQ;
253 pdev->conf.IntType = INT_MEMORY_AND_IO;
255 /* See if we have a manufacturer identifier. Use it to set is_kme for
257 is_kme = ((pdev->manf_id == MANFID_KME) &&
258 ((pdev->card_id == PRODID_KME_KXLC005_A) ||
259 (pdev->card_id == PRODID_KME_KXLC005_B)));
261 /* Allocate resoure probing structures */
263 stk = kzalloc(sizeof(*stk), GFP_KERNEL);
266 stk->is_kme = is_kme;
267 stk->skip_vcc = io_base = ctl_base = 0;
269 if (pcmcia_loop_config(pdev, pcmcia_check_one_config, stk)) {
271 if (pcmcia_loop_config(pdev, pcmcia_check_one_config, stk))
272 goto failed; /* No suitable config found */
274 io_base = pdev->io.BasePort1;
275 ctl_base = stk->ctl_base;
279 ret = pcmcia_request_configuration(pdev, &pdev->conf);
285 io_addr = devm_ioport_map(&pdev->dev, io_base, 8);
286 ctl_addr = devm_ioport_map(&pdev->dev, ctl_base, 1);
287 if (!io_addr || !ctl_addr)
290 /* Success. Disable the IRQ nIEN line, do quirks */
291 iowrite8(0x02, ctl_addr);
293 iowrite8(0x81, ctl_addr + 0x01);
295 /* FIXME: Could be more ports at base + 0x10 but we only deal with
297 if (pdev->io.NumPorts1 >= 0x20)
300 if (pdev->manf_id == 0x0097 && pdev->card_id == 0x1620)
301 ops = &pcmcia_8bit_port_ops;
303 * Having done the PCMCIA plumbing the ATA side is relatively
307 host = ata_host_alloc(&pdev->dev, n_ports);
311 for (p = 0; p < n_ports; p++) {
315 ap->pio_mask = ATA_PIO0; /* ISA so PIO 0 cycles */
316 ap->flags |= ATA_FLAG_SLAVE_POSS;
317 ap->ioaddr.cmd_addr = io_addr + 0x10 * p;
318 ap->ioaddr.altstatus_addr = ctl_addr + 0x10 * p;
319 ap->ioaddr.ctl_addr = ctl_addr + 0x10 * p;
320 ata_sff_std_ports(&ap->ioaddr);
322 ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", io_base, ctl_base);
326 ret = ata_host_activate(host, pdev->irq, ata_sff_interrupt,
327 IRQF_SHARED, &pcmcia_sht);
337 pcmcia_disable_device(pdev);
343 * pcmcia_remove_one - unplug an pcmcia interface
344 * @pdev: pcmcia device
346 * A PCMCIA ATA device has been unplugged. Perform the needed
347 * cleanup. Also called on module unload for any active devices.
350 static void pcmcia_remove_one(struct pcmcia_device *pdev)
352 struct ata_host *host = pdev->priv;
355 ata_host_detach(host);
357 pcmcia_disable_device(pdev);
360 static struct pcmcia_device_id pcmcia_devices[] = {
361 PCMCIA_DEVICE_FUNC_ID(4),
362 PCMCIA_DEVICE_MANF_CARD(0x0000, 0x0000), /* Corsair */
363 PCMCIA_DEVICE_MANF_CARD(0x0007, 0x0000), /* Hitachi */
364 PCMCIA_DEVICE_MANF_CARD(0x000a, 0x0000), /* I-O Data CFA */
365 PCMCIA_DEVICE_MANF_CARD(0x001c, 0x0001), /* Mitsubishi CFA */
366 PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704),
367 PCMCIA_DEVICE_MANF_CARD(0x0032, 0x2904),
368 PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401), /* SanDisk CFA */
369 PCMCIA_DEVICE_MANF_CARD(0x004f, 0x0000), /* Kingston */
370 PCMCIA_DEVICE_MANF_CARD(0x0097, 0x1620), /* TI emulated */
371 PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000), /* Toshiba */
372 PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d),
373 PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000), /* Samsung */
374 PCMCIA_DEVICE_MANF_CARD(0x0319, 0x0000), /* Hitachi */
375 PCMCIA_DEVICE_MANF_CARD(0x2080, 0x0001),
376 PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0100), /* Viking CFA */
377 PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0200), /* Lexar, Viking CFA */
378 PCMCIA_DEVICE_PROD_ID123("Caravelle", "PSC-IDE ", "PSC000", 0x8c36137c, 0xd0693ab8, 0x2768a9f0),
379 PCMCIA_DEVICE_PROD_ID123("CDROM", "IDE", "MCD-601p", 0x1b9179ca, 0xede88951, 0x0d902f74),
380 PCMCIA_DEVICE_PROD_ID123("PCMCIA", "IDE CARD", "F1", 0x281f1c5d, 0x1907960c, 0xf7fde8b9),
381 PCMCIA_DEVICE_PROD_ID12("ARGOSY", "CD-ROM", 0x78f308dc, 0x66536591),
382 PCMCIA_DEVICE_PROD_ID12("ARGOSY", "PnPIDE", 0x78f308dc, 0x0c694728),
383 PCMCIA_DEVICE_PROD_ID12("CNF ", "CD-ROM", 0x46d7db81, 0x66536591),
384 PCMCIA_DEVICE_PROD_ID12("CNF CD-M", "CD-ROM", 0x7d93b852, 0x66536591),
385 PCMCIA_DEVICE_PROD_ID12("Creative Technology Ltd.", "PCMCIA CD-ROM Interface Card", 0xff8c8a45, 0xfe8020c4),
386 PCMCIA_DEVICE_PROD_ID12("Digital Equipment Corporation.", "Digital Mobile Media CD-ROM", 0x17692a66, 0xef1dcbde),
387 PCMCIA_DEVICE_PROD_ID12("EXP", "CD+GAME", 0x6f58c983, 0x63c13aaf),
388 PCMCIA_DEVICE_PROD_ID12("EXP ", "CD-ROM", 0x0a5c52fd, 0x66536591),
389 PCMCIA_DEVICE_PROD_ID12("EXP ", "PnPIDE", 0x0a5c52fd, 0x0c694728),
390 PCMCIA_DEVICE_PROD_ID12("FREECOM", "PCCARD-IDE", 0x5714cbf7, 0x48e0ab8e),
391 PCMCIA_DEVICE_PROD_ID12("HITACHI", "FLASH", 0xf4f43949, 0x9eb86aae),
392 PCMCIA_DEVICE_PROD_ID12("HITACHI", "microdrive", 0xf4f43949, 0xa6d76178),
393 PCMCIA_DEVICE_PROD_ID12("Hyperstone", "Model1", 0x3d5b9ef5, 0xca6ab420),
394 PCMCIA_DEVICE_PROD_ID12("IBM", "microdrive", 0xb569a6e5, 0xa6d76178),
395 PCMCIA_DEVICE_PROD_ID12("IBM", "IBM17JSSFP20", 0xb569a6e5, 0xf2508753),
396 PCMCIA_DEVICE_PROD_ID12("KINGSTON", "CF CARD 1GB", 0x2e6d1829, 0x55d5bffb),
397 PCMCIA_DEVICE_PROD_ID12("KINGSTON", "CF CARD 4GB", 0x2e6d1829, 0x531e7d10),
398 PCMCIA_DEVICE_PROD_ID12("KINGSTON", "CF8GB", 0x2e6d1829, 0xacbe682e),
399 PCMCIA_DEVICE_PROD_ID12("IO DATA", "CBIDE2 ", 0x547e66dc, 0x8671043b),
400 PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149),
401 PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDEII", 0x547e66dc, 0xb3662674),
402 PCMCIA_DEVICE_PROD_ID12("LOOKMEET", "CBIDE2 ", 0xe37be2b5, 0x8671043b),
403 PCMCIA_DEVICE_PROD_ID12("M-Systems", "CF300", 0x7ed2ad87, 0x7e9e78ee),
404 PCMCIA_DEVICE_PROD_ID12("M-Systems", "CF500", 0x7ed2ad87, 0x7a13045c),
405 PCMCIA_DEVICE_PROD_ID2("NinjaATA-", 0xebe0bd79),
406 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "CD-ROM", 0x281f1c5d, 0x66536591),
407 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "PnPIDE", 0x281f1c5d, 0x0c694728),
408 PCMCIA_DEVICE_PROD_ID12("SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", 0x4a3f0ba0, 0x322560e1),
409 PCMCIA_DEVICE_PROD_ID12("SEAGATE", "ST1", 0x87c1b330, 0xe1f30883),
410 PCMCIA_DEVICE_PROD_ID12("SAMSUNG", "04/05/06", 0x43d74cb4, 0x6a22777d),
411 PCMCIA_DEVICE_PROD_ID12("SMI VENDOR", "SMI PRODUCT", 0x30896c92, 0x703cc5f6),
412 PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003),
413 PCMCIA_DEVICE_PROD_ID1("TRANSCEND 512M ", 0xd0909443),
414 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF45", 0x709b1bf1, 0xf68b6f32),
415 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF80", 0x709b1bf1, 0x2a54d4b1),
416 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS2GCF120", 0x709b1bf1, 0x969aa4f2),
417 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF120", 0x709b1bf1, 0xf54a91c8),
418 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF133", 0x709b1bf1, 0x7558f133),
419 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS8GCF133", 0x709b1bf1, 0xb2f89b47),
420 PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852),
421 PCMCIA_DEVICE_PROD_ID12("WEIDA", "TWTTI", 0xcc7cf69c, 0x212bb918),
422 PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209),
423 PCMCIA_DEVICE_PROD_ID12("STI", "Flash 5.0", 0xbf2df18d, 0x8cb57a0e),
424 PCMCIA_MFC_DEVICE_PROD_ID12(1, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6),
425 PCMCIA_DEVICE_PROD_ID2("Flash Card", 0x5a362506),
429 MODULE_DEVICE_TABLE(pcmcia, pcmcia_devices);
431 static struct pcmcia_driver pcmcia_driver = {
432 .owner = THIS_MODULE,
436 .id_table = pcmcia_devices,
437 .probe = pcmcia_init_one,
438 .remove = pcmcia_remove_one,
441 static int __init pcmcia_init(void)
443 return pcmcia_register_driver(&pcmcia_driver);
446 static void __exit pcmcia_exit(void)
448 pcmcia_unregister_driver(&pcmcia_driver);
451 MODULE_AUTHOR("Alan Cox");
452 MODULE_DESCRIPTION("low-level driver for PCMCIA ATA");
453 MODULE_LICENSE("GPL");
454 MODULE_VERSION(DRV_VERSION);
456 module_init(pcmcia_init);
457 module_exit(pcmcia_exit);