blob: 820332a7ec7b872ff2d84b92515f1c6fe147f1fc [file] [log] [blame]
Jeff Garzik669a5db2006-08-29 18:12:40 -04001/*
2 * pata_pcmcia.c - PCMCIA PATA controller driver.
3 * Copyright 2005-2006 Red Hat Inc <alan@redhat.com>, all rights reserved.
Jeff Garzik85cd7252006-08-31 00:03:49 -04004 * PCMCIA ident update Copyright 2006 Marcin Juszkiewicz
Jeff Garzik669a5db2006-08-29 18:12:40 -04005 * <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"
Jeff Garzika0fcdc02007-03-09 07:24:15 -050045#define DRV_VERSION "0.3.1"
Jeff Garzik669a5db2006-08-29 18:12:40 -040046
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,
Jeff Garzik669a5db2006-08-29 18:12:40 -040065 .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,
Tejun Heoafdfe892006-11-29 11:26:47 +090071 .slave_destroy = ata_scsi_slave_destroy,
Jeff Garzik669a5db2006-08-29 18:12:40 -040072 .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,
Jeff Garzika0fcdc02007-03-09 07:24:15 -050087 .cable_detect = ata_cable_40wire,
Jeff Garzik669a5db2006-08-29 18:12:40 -040088
89 .qc_prep = ata_qc_prep,
90 .qc_issue = ata_qc_issue_prot,
Jeff Garzikbda30282006-09-27 05:41:13 -040091
Tejun Heo0d5ff562007-02-01 15:06:36 +090092 .data_xfer = ata_data_xfer_noirq,
Jeff Garzik669a5db2006-08-29 18:12:40 -040093
94 .irq_handler = ata_interrupt,
95 .irq_clear = ata_bmdma_irq_clear,
Akira Iguchi246ce3b2007-01-26 16:27:58 +090096 .irq_on = ata_irq_on,
97 .irq_ack = ata_irq_ack,
Jeff Garzik669a5db2006-08-29 18:12:40 -040098
99 .port_start = ata_port_start,
Jeff Garzik669a5db2006-08-29 18:12:40 -0400100};
101
102#define CS_CHECK(fn, ret) \
103do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
104
105/**
106 * pcmcia_init_one - attach a PCMCIA interface
107 * @pdev: pcmcia device
108 *
109 * Register a PCMCIA IDE interface. Such interfaces are PIO 0 and
110 * shared IRQ.
111 */
112
113static int pcmcia_init_one(struct pcmcia_device *pdev)
114{
115 struct ata_probe_ent ae;
116 struct ata_pcmcia_info *info;
117 tuple_t tuple;
118 struct {
119 unsigned short buf[128];
120 cisparse_t parse;
121 config_info_t conf;
122 cistpl_cftable_entry_t dflt;
123 } *stk = NULL;
124 cistpl_cftable_entry_t *cfg;
125 int pass, last_ret = 0, last_fn = 0, is_kme = 0, ret = -ENOMEM;
126 unsigned long io_base, ctl_base;
Tejun Heo0d5ff562007-02-01 15:06:36 +0900127 void __iomem *io_addr, *ctl_addr;
Jeff Garzik669a5db2006-08-29 18:12:40 -0400128
129 info = kzalloc(sizeof(*info), GFP_KERNEL);
130 if (info == NULL)
131 return -ENOMEM;
132
133 /* Glue stuff together. FIXME: We may be able to get rid of info with care */
134 info->pdev = pdev;
135 pdev->priv = info;
136
137 /* Set up attributes in order to probe card and get resources */
138 pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
139 pdev->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
140 pdev->io.IOAddrLines = 3;
141 pdev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
142 pdev->irq.IRQInfo1 = IRQ_LEVEL_ID;
143 pdev->conf.Attributes = CONF_ENABLE_IRQ;
144 pdev->conf.IntType = INT_MEMORY_AND_IO;
145
146 /* Allocate resoure probing structures */
147
148 stk = kzalloc(sizeof(*stk), GFP_KERNEL);
149 if (!stk)
150 goto out1;
151
152 cfg = &stk->parse.cftable_entry;
153
154 /* Tuples we are walking */
155 tuple.TupleData = (cisdata_t *)&stk->buf;
156 tuple.TupleOffset = 0;
157 tuple.TupleDataMax = 255;
158 tuple.Attributes = 0;
Jeff Garzik669a5db2006-08-29 18:12:40 -0400159
160 /* See if we have a manufacturer identifier. Use it to set is_kme for
161 vendor quirks */
Dominik Brodowskiefd50582006-10-25 21:28:53 -0400162 is_kme = ((pdev->manf_id == MANFID_KME) &&
163 ((pdev->card_id == PRODID_KME_KXLC005_A) ||
164 (pdev->card_id == PRODID_KME_KXLC005_B)));
Jeff Garzik669a5db2006-08-29 18:12:40 -0400165
166 /* Not sure if this is right... look up the current Vcc */
167 CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(pdev, &stk->conf));
168/* link->conf.Vcc = stk->conf.Vcc; */
169
170 pass = io_base = ctl_base = 0;
171 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
172 tuple.Attributes = 0;
173 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(pdev, &tuple));
174
175 /* Now munch the resources looking for a suitable set */
176 while (1) {
177 if (pcmcia_get_tuple_data(pdev, &tuple) != 0)
178 goto next_entry;
179 if (pcmcia_parse_tuple(pdev, &tuple, &stk->parse) != 0)
180 goto next_entry;
181 /* Check for matching Vcc, unless we're desperate */
182 if (!pass) {
183 if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
184 if (stk->conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000)
185 goto next_entry;
186 } else if (stk->dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
187 if (stk->conf.Vcc != stk->dflt.vcc.param[CISTPL_POWER_VNOM] / 10000)
188 goto next_entry;
189 }
190 }
191
192 if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
193 pdev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
194 else if (stk->dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
195 pdev->conf.Vpp = stk->dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
196
197 if ((cfg->io.nwin > 0) || (stk->dflt.io.nwin > 0)) {
198 cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &stk->dflt.io;
199 pdev->conf.ConfigIndex = cfg->index;
200 pdev->io.BasePort1 = io->win[0].base;
201 pdev->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
202 if (!(io->flags & CISTPL_IO_16BIT))
203 pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
204 if (io->nwin == 2) {
205 pdev->io.NumPorts1 = 8;
206 pdev->io.BasePort2 = io->win[1].base;
207 pdev->io.NumPorts2 = (is_kme) ? 2 : 1;
208 if (pcmcia_request_io(pdev, &pdev->io) != 0)
209 goto next_entry;
210 io_base = pdev->io.BasePort1;
211 ctl_base = pdev->io.BasePort2;
212 } else if ((io->nwin == 1) && (io->win[0].len >= 16)) {
213 pdev->io.NumPorts1 = io->win[0].len;
214 pdev->io.NumPorts2 = 0;
215 if (pcmcia_request_io(pdev, &pdev->io) != 0)
216 goto next_entry;
217 io_base = pdev->io.BasePort1;
218 ctl_base = pdev->io.BasePort1 + 0x0e;
219 } else goto next_entry;
220 /* If we've got this far, we're done */
221 break;
222 }
223next_entry:
224 if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
225 memcpy(&stk->dflt, cfg, sizeof(stk->dflt));
226 if (pass) {
227 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(pdev, &tuple));
228 } else if (pcmcia_get_next_tuple(pdev, &tuple) != 0) {
229 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(pdev, &tuple));
230 memset(&stk->dflt, 0, sizeof(stk->dflt));
231 pass++;
232 }
233 }
234
235 CS_CHECK(RequestIRQ, pcmcia_request_irq(pdev, &pdev->irq));
236 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(pdev, &pdev->conf));
237
Tejun Heo0d5ff562007-02-01 15:06:36 +0900238 /* iomap */
239 ret = -ENOMEM;
240 io_addr = devm_ioport_map(&pdev->dev, io_base, 8);
241 ctl_addr = devm_ioport_map(&pdev->dev, ctl_base, 1);
242 if (!io_addr || !ctl_addr)
243 goto failed;
244
Jeff Garzik669a5db2006-08-29 18:12:40 -0400245 /* Success. Disable the IRQ nIEN line, do quirks */
Tejun Heo0d5ff562007-02-01 15:06:36 +0900246 iowrite8(0x02, ctl_addr);
Jeff Garzik669a5db2006-08-29 18:12:40 -0400247 if (is_kme)
Tejun Heo0d5ff562007-02-01 15:06:36 +0900248 iowrite8(0x81, ctl_addr + 0x01);
Jeff Garzik669a5db2006-08-29 18:12:40 -0400249
250 /* FIXME: Could be more ports at base + 0x10 but we only deal with
251 one right now */
252 if (pdev->io.NumPorts1 >= 0x20)
253 printk(KERN_WARNING DRV_NAME ": second channel not yet supported.\n");
254
255 /*
256 * Having done the PCMCIA plumbing the ATA side is relatively
257 * sane.
258 */
259
260 memset(&ae, 0, sizeof(struct ata_probe_ent));
261 INIT_LIST_HEAD(&ae.node);
262 ae.dev = &pdev->dev;
263 ae.port_ops = &pcmcia_port_ops;
264 ae.sht = &pcmcia_sht;
265 ae.n_ports = 1;
266 ae.pio_mask = 1; /* ISA so PIO 0 cycles */
267 ae.irq = pdev->irq.AssignedIRQ;
Thomas Gleixner38515e92007-02-14 00:33:16 -0800268 ae.irq_flags = IRQF_SHARED;
Jeff Garzik669a5db2006-08-29 18:12:40 -0400269 ae.port_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST;
Tejun Heo0d5ff562007-02-01 15:06:36 +0900270 ae.port[0].cmd_addr = io_addr;
271 ae.port[0].altstatus_addr = ctl_addr;
272 ae.port[0].ctl_addr = ctl_addr;
Jeff Garzik669a5db2006-08-29 18:12:40 -0400273 ata_std_ports(&ae.port[0]);
274
Tejun Heo0d5ff562007-02-01 15:06:36 +0900275 ret = -ENODEV;
Jeff Garzik669a5db2006-08-29 18:12:40 -0400276 if (ata_device_add(&ae) == 0)
277 goto failed;
278
279 info->ndev = 1;
280 kfree(stk);
281 return 0;
282
283cs_failed:
284 cs_error(pdev, last_fn, last_ret);
285failed:
286 kfree(stk);
287 info->ndev = 0;
288 pcmcia_disable_device(pdev);
289out1:
290 kfree(info);
291 return ret;
292}
293
294/**
295 * pcmcia_remove_one - unplug an pcmcia interface
296 * @pdev: pcmcia device
297 *
298 * A PCMCIA ATA device has been unplugged. Perform the needed
299 * cleanup. Also called on module unload for any active devices.
300 */
301
302static void pcmcia_remove_one(struct pcmcia_device *pdev)
303{
304 struct ata_pcmcia_info *info = pdev->priv;
305 struct device *dev = &pdev->dev;
306
307 if (info != NULL) {
308 /* If we have attached the device to the ATA layer, detach it */
309 if (info->ndev) {
310 struct ata_host *host = dev_get_drvdata(dev);
Tejun Heo24dc5f32007-01-20 16:00:28 +0900311 ata_host_detach(host);
Jeff Garzik669a5db2006-08-29 18:12:40 -0400312 }
313 info->ndev = 0;
314 pdev->priv = NULL;
315 }
316 pcmcia_disable_device(pdev);
317 kfree(info);
318}
319
320static struct pcmcia_device_id pcmcia_devices[] = {
321 PCMCIA_DEVICE_FUNC_ID(4),
322 PCMCIA_DEVICE_MANF_CARD(0x0007, 0x0000), /* Hitachi */
Magnus Dammed2a6e42007-02-18 17:52:25 +0900323 PCMCIA_DEVICE_MANF_CARD(0x000a, 0x0000), /* I-O Data CFA */
324 PCMCIA_DEVICE_MANF_CARD(0x001c, 0x0001), /* Mitsubishi CFA */
Jeff Garzik669a5db2006-08-29 18:12:40 -0400325 PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704),
Magnus Dammed2a6e42007-02-18 17:52:25 +0900326 PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401), /* SanDisk CFA */
Jeff Garzik669a5db2006-08-29 18:12:40 -0400327 PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000), /* Toshiba */
328 PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d),
329 PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000), /* Samsung */
330 PCMCIA_DEVICE_MANF_CARD(0x0319, 0x0000), /* Hitachi */
331 PCMCIA_DEVICE_MANF_CARD(0x2080, 0x0001),
Magnus Dammed2a6e42007-02-18 17:52:25 +0900332 PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0100), /* Viking CFA */
333 PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0200), /* Lexar, Viking CFA */
Jeff Garzik669a5db2006-08-29 18:12:40 -0400334 PCMCIA_DEVICE_PROD_ID123("Caravelle", "PSC-IDE ", "PSC000", 0x8c36137c, 0xd0693ab8, 0x2768a9f0),
335 PCMCIA_DEVICE_PROD_ID123("CDROM", "IDE", "MCD-601p", 0x1b9179ca, 0xede88951, 0x0d902f74),
336 PCMCIA_DEVICE_PROD_ID123("PCMCIA", "IDE CARD", "F1", 0x281f1c5d, 0x1907960c, 0xf7fde8b9),
337 PCMCIA_DEVICE_PROD_ID12("ARGOSY", "CD-ROM", 0x78f308dc, 0x66536591),
338 PCMCIA_DEVICE_PROD_ID12("ARGOSY", "PnPIDE", 0x78f308dc, 0x0c694728),
339 PCMCIA_DEVICE_PROD_ID12("CNF CD-M", "CD-ROM", 0x7d93b852, 0x66536591),
340 PCMCIA_DEVICE_PROD_ID12("Creative Technology Ltd.", "PCMCIA CD-ROM Interface Card", 0xff8c8a45, 0xfe8020c4),
341 PCMCIA_DEVICE_PROD_ID12("Digital Equipment Corporation.", "Digital Mobile Media CD-ROM", 0x17692a66, 0xef1dcbde),
342 PCMCIA_DEVICE_PROD_ID12("EXP", "CD+GAME", 0x6f58c983, 0x63c13aaf),
343 PCMCIA_DEVICE_PROD_ID12("EXP ", "CD-ROM", 0x0a5c52fd, 0x66536591),
344 PCMCIA_DEVICE_PROD_ID12("EXP ", "PnPIDE", 0x0a5c52fd, 0x0c694728),
345 PCMCIA_DEVICE_PROD_ID12("FREECOM", "PCCARD-IDE", 0x5714cbf7, 0x48e0ab8e),
346 PCMCIA_DEVICE_PROD_ID12("HITACHI", "FLASH", 0xf4f43949, 0x9eb86aae),
347 PCMCIA_DEVICE_PROD_ID12("HITACHI", "microdrive", 0xf4f43949, 0xa6d76178),
348 PCMCIA_DEVICE_PROD_ID12("IBM", "microdrive", 0xb569a6e5, 0xa6d76178),
349 PCMCIA_DEVICE_PROD_ID12("IBM", "IBM17JSSFP20", 0xb569a6e5, 0xf2508753),
350 PCMCIA_DEVICE_PROD_ID12("IO DATA", "CBIDE2 ", 0x547e66dc, 0x8671043b),
351 PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149),
352 PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDEII", 0x547e66dc, 0xb3662674),
353 PCMCIA_DEVICE_PROD_ID12("LOOKMEET", "CBIDE2 ", 0xe37be2b5, 0x8671043b),
354 PCMCIA_DEVICE_PROD_ID12("M-Systems", "CF500", 0x7ed2ad87, 0x7a13045c),
355 PCMCIA_DEVICE_PROD_ID2("NinjaATA-", 0xebe0bd79),
356 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "CD-ROM", 0x281f1c5d, 0x66536591),
357 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "PnPIDE", 0x281f1c5d, 0x0c694728),
358 PCMCIA_DEVICE_PROD_ID12("SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", 0x4a3f0ba0, 0x322560e1),
359 PCMCIA_DEVICE_PROD_ID12("SEAGATE", "ST1", 0x87c1b330, 0xe1f30883),
360 PCMCIA_DEVICE_PROD_ID12("SAMSUNG", "04/05/06", 0x43d74cb4, 0x6a22777d),
361 PCMCIA_DEVICE_PROD_ID12("SMI VENDOR", "SMI PRODUCT", 0x30896c92, 0x703cc5f6),
362 PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003),
Alan Coxa0a00cb2006-10-04 12:47:14 +0100363 PCMCIA_DEVICE_PROD_ID1("TRANSCEND 512M ", 0xd0909443),
Matt Reimerbf4e1822006-10-26 15:56:00 -0700364 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF80", 0x709b1bf1, 0x2a54d4b1),
Alan Coxa0a00cb2006-10-04 12:47:14 +0100365 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF120", 0x709b1bf1, 0xf54a91c8),
Jeff Garzik669a5db2006-08-29 18:12:40 -0400366 PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852),
Marcin Juszkiewicz05177932006-10-30 22:28:09 +0100367 PCMCIA_DEVICE_PROD_ID12("WEIDA", "TWTTI", 0xcc7cf69c, 0x212bb918),
Jeff Garzik669a5db2006-08-29 18:12:40 -0400368 PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209),
369 PCMCIA_DEVICE_PROD_ID12("STI", "Flash 5.0", 0xbf2df18d, 0x8cb57a0e),
370 PCMCIA_MFC_DEVICE_PROD_ID12(1, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6),
371 PCMCIA_DEVICE_NULL,
372};
373
374MODULE_DEVICE_TABLE(pcmcia, pcmcia_devices);
375
376static struct pcmcia_driver pcmcia_driver = {
377 .owner = THIS_MODULE,
378 .drv = {
379 .name = DRV_NAME,
380 },
381 .id_table = pcmcia_devices,
382 .probe = pcmcia_init_one,
383 .remove = pcmcia_remove_one,
384};
385
386static int __init pcmcia_init(void)
387{
388 return pcmcia_register_driver(&pcmcia_driver);
389}
390
391static void __exit pcmcia_exit(void)
392{
393 pcmcia_unregister_driver(&pcmcia_driver);
394}
395
396MODULE_AUTHOR("Alan Cox");
397MODULE_DESCRIPTION("low-level driver for PCMCIA ATA");
398MODULE_LICENSE("GPL");
399MODULE_VERSION(DRV_VERSION);
400
401module_init(pcmcia_init);
402module_exit(pcmcia_exit);