Merge git://git.infradead.org/mtd-2.6
[pv_ops_mirror.git] / drivers / ata / pata_pcmcia.c
blob5db2013230b31c048798f242a4c91a66f36d5f50
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>
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.
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 "0.3.2"
48 * Private data structure to glue stuff together
51 struct ata_pcmcia_info {
52 struct pcmcia_device *pdev;
53 int ndev;
54 dev_node_t node;
57 /**
58 * pcmcia_set_mode - PCMCIA specific mode setup
59 * @link: link
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)
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);
87 return ata_do_set_mode(link, r_failed_dev);
90 static 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,
108 static 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,
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,
122 .qc_prep = ata_qc_prep,
123 .qc_issue = ata_qc_issue_prot,
125 .data_xfer = ata_data_xfer_noirq,
127 .irq_clear = ata_bmdma_irq_clear,
128 .irq_on = ata_irq_on,
130 .port_start = ata_sff_port_start,
133 #define CS_CHECK(fn, ret) \
134 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
137 * pcmcia_init_one - attach a PCMCIA interface
138 * @pdev: pcmcia device
140 * Register a PCMCIA IDE interface. Such interfaces are PIO 0 and
141 * shared IRQ.
144 static int pcmcia_init_one(struct pcmcia_device *pdev)
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;
161 info = kzalloc(sizeof(*info), GFP_KERNEL);
162 if (info == NULL)
163 return -ENOMEM;
165 /* Glue stuff together. FIXME: We may be able to get rid of info with care */
166 info->pdev = pdev;
167 pdev->priv = info;
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;
178 /* Allocate resoure probing structures */
180 stk = kzalloc(sizeof(*stk), GFP_KERNEL);
181 if (!stk)
182 goto out1;
184 cfg = &stk->parse.cftable_entry;
186 /* Tuples we are walking */
187 tuple.TupleData = (cisdata_t *)&stk->buf;
188 tuple.TupleOffset = 0;
189 tuple.TupleDataMax = 255;
190 tuple.Attributes = 0;
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)));
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; */
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));
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;
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;
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;
255 next_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++;
267 CS_CHECK(RequestIRQ, pcmcia_request_irq(pdev, &pdev->irq));
268 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(pdev, &pdev->conf));
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;
277 /* Success. Disable the IRQ nIEN line, do quirks */
278 iowrite8(0x02, ctl_addr);
279 if (is_kme)
280 iowrite8(0x81, ctl_addr + 0x01);
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");
288 * Having done the PCMCIA plumbing the ATA side is relatively
289 * sane.
291 ret = -ENOMEM;
292 host = ata_host_alloc(&pdev->dev, 1);
293 if (!host)
294 goto failed;
295 ap = host->ports[0];
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);
305 ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", io_base, ctl_base);
307 /* activate */
308 ret = ata_host_activate(host, pdev->irq.AssignedIRQ, ata_interrupt,
309 IRQF_SHARED, &pcmcia_sht);
310 if (ret)
311 goto failed;
313 info->ndev = 1;
314 kfree(stk);
315 return 0;
317 cs_failed:
318 cs_error(pdev, last_fn, last_ret);
319 failed:
320 kfree(stk);
321 info->ndev = 0;
322 pcmcia_disable_device(pdev);
323 out1:
324 kfree(info);
325 return ret;
329 * pcmcia_remove_one - unplug an pcmcia interface
330 * @pdev: pcmcia device
332 * A PCMCIA ATA device has been unplugged. Perform the needed
333 * cleanup. Also called on module unload for any active devices.
336 static void pcmcia_remove_one(struct pcmcia_device *pdev)
338 struct ata_pcmcia_info *info = pdev->priv;
339 struct device *dev = &pdev->dev;
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);
347 info->ndev = 0;
348 pdev->priv = NULL;
350 pcmcia_disable_device(pdev);
351 kfree(info);
354 static struct pcmcia_device_id pcmcia_devices[] = {
355 PCMCIA_DEVICE_FUNC_ID(4),
356 PCMCIA_DEVICE_MANF_CARD(0x0000, 0x0000), /* Corsair */
357 PCMCIA_DEVICE_MANF_CARD(0x0007, 0x0000), /* Hitachi */
358 PCMCIA_DEVICE_MANF_CARD(0x000a, 0x0000), /* I-O Data CFA */
359 PCMCIA_DEVICE_MANF_CARD(0x001c, 0x0001), /* Mitsubishi CFA */
360 PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704),
361 PCMCIA_DEVICE_MANF_CARD(0x0032, 0x2904),
362 PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401), /* SanDisk CFA */
363 PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000), /* Toshiba */
364 PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d),
365 PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000), /* Samsung */
366 PCMCIA_DEVICE_MANF_CARD(0x0319, 0x0000), /* Hitachi */
367 PCMCIA_DEVICE_MANF_CARD(0x2080, 0x0001),
368 PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0100), /* Viking CFA */
369 PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0200), /* Lexar, Viking CFA */
370 PCMCIA_DEVICE_PROD_ID123("Caravelle", "PSC-IDE ", "PSC000", 0x8c36137c, 0xd0693ab8, 0x2768a9f0),
371 PCMCIA_DEVICE_PROD_ID123("CDROM", "IDE", "MCD-601p", 0x1b9179ca, 0xede88951, 0x0d902f74),
372 PCMCIA_DEVICE_PROD_ID123("PCMCIA", "IDE CARD", "F1", 0x281f1c5d, 0x1907960c, 0xf7fde8b9),
373 PCMCIA_DEVICE_PROD_ID12("ARGOSY", "CD-ROM", 0x78f308dc, 0x66536591),
374 PCMCIA_DEVICE_PROD_ID12("ARGOSY", "PnPIDE", 0x78f308dc, 0x0c694728),
375 PCMCIA_DEVICE_PROD_ID12("CNF CD-M", "CD-ROM", 0x7d93b852, 0x66536591),
376 PCMCIA_DEVICE_PROD_ID12("Creative Technology Ltd.", "PCMCIA CD-ROM Interface Card", 0xff8c8a45, 0xfe8020c4),
377 PCMCIA_DEVICE_PROD_ID12("Digital Equipment Corporation.", "Digital Mobile Media CD-ROM", 0x17692a66, 0xef1dcbde),
378 PCMCIA_DEVICE_PROD_ID12("EXP", "CD+GAME", 0x6f58c983, 0x63c13aaf),
379 PCMCIA_DEVICE_PROD_ID12("EXP ", "CD-ROM", 0x0a5c52fd, 0x66536591),
380 PCMCIA_DEVICE_PROD_ID12("EXP ", "PnPIDE", 0x0a5c52fd, 0x0c694728),
381 PCMCIA_DEVICE_PROD_ID12("FREECOM", "PCCARD-IDE", 0x5714cbf7, 0x48e0ab8e),
382 PCMCIA_DEVICE_PROD_ID12("Hyperstone", "Model1", 0x3d5b9ef5, 0xca6ab420),
383 PCMCIA_DEVICE_PROD_ID12("HITACHI", "FLASH", 0xf4f43949, 0x9eb86aae),
384 PCMCIA_DEVICE_PROD_ID12("HITACHI", "microdrive", 0xf4f43949, 0xa6d76178),
385 PCMCIA_DEVICE_PROD_ID12("IBM", "microdrive", 0xb569a6e5, 0xa6d76178),
386 PCMCIA_DEVICE_PROD_ID12("IBM", "IBM17JSSFP20", 0xb569a6e5, 0xf2508753),
387 PCMCIA_DEVICE_PROD_ID12("KINGSTON", "CF8GB", 0x2e6d1829, 0xacbe682e),
388 PCMCIA_DEVICE_PROD_ID12("IO DATA", "CBIDE2 ", 0x547e66dc, 0x8671043b),
389 PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149),
390 PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDEII", 0x547e66dc, 0xb3662674),
391 PCMCIA_DEVICE_PROD_ID12("LOOKMEET", "CBIDE2 ", 0xe37be2b5, 0x8671043b),
392 PCMCIA_DEVICE_PROD_ID12("M-Systems", "CF500", 0x7ed2ad87, 0x7a13045c),
393 PCMCIA_DEVICE_PROD_ID2("NinjaATA-", 0xebe0bd79),
394 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "CD-ROM", 0x281f1c5d, 0x66536591),
395 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "PnPIDE", 0x281f1c5d, 0x0c694728),
396 PCMCIA_DEVICE_PROD_ID12("SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", 0x4a3f0ba0, 0x322560e1),
397 PCMCIA_DEVICE_PROD_ID12("SEAGATE", "ST1", 0x87c1b330, 0xe1f30883),
398 PCMCIA_DEVICE_PROD_ID12("SAMSUNG", "04/05/06", 0x43d74cb4, 0x6a22777d),
399 PCMCIA_DEVICE_PROD_ID12("SMI VENDOR", "SMI PRODUCT", 0x30896c92, 0x703cc5f6),
400 PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003),
401 PCMCIA_DEVICE_PROD_ID1("TRANSCEND 512M ", 0xd0909443),
402 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF80", 0x709b1bf1, 0x2a54d4b1),
403 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS2GCF120", 0x709b1bf1, 0x969aa4f2),
404 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF120", 0x709b1bf1, 0xf54a91c8),
405 PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852),
406 PCMCIA_DEVICE_PROD_ID12("WEIDA", "TWTTI", 0xcc7cf69c, 0x212bb918),
407 PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209),
408 PCMCIA_DEVICE_PROD_ID12("STI", "Flash 5.0", 0xbf2df18d, 0x8cb57a0e),
409 PCMCIA_MFC_DEVICE_PROD_ID12(1, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6),
410 PCMCIA_DEVICE_NULL,
413 MODULE_DEVICE_TABLE(pcmcia, pcmcia_devices);
415 static struct pcmcia_driver pcmcia_driver = {
416 .owner = THIS_MODULE,
417 .drv = {
418 .name = DRV_NAME,
420 .id_table = pcmcia_devices,
421 .probe = pcmcia_init_one,
422 .remove = pcmcia_remove_one,
425 static int __init pcmcia_init(void)
427 return pcmcia_register_driver(&pcmcia_driver);
430 static void __exit pcmcia_exit(void)
432 pcmcia_unregister_driver(&pcmcia_driver);
435 MODULE_AUTHOR("Alan Cox");
436 MODULE_DESCRIPTION("low-level driver for PCMCIA ATA");
437 MODULE_LICENSE("GPL");
438 MODULE_VERSION(DRV_VERSION);
440 module_init(pcmcia_init);
441 module_exit(pcmcia_exit);