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 "0.3.2"
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
);
89 static struct scsi_host_template pcmcia_sht
= {
90 .module
= THIS_MODULE
,
92 .ioctl
= ata_scsi_ioctl
,
93 .queuecommand
= ata_scsi_queuecmd
,
94 .can_queue
= ATA_DEF_QUEUE
,
95 .this_id
= ATA_SHT_THIS_ID
,
96 .sg_tablesize
= LIBATA_MAX_PRD
,
97 .cmd_per_lun
= ATA_SHT_CMD_PER_LUN
,
98 .emulated
= ATA_SHT_EMULATED
,
99 .use_clustering
= ATA_SHT_USE_CLUSTERING
,
100 .proc_name
= DRV_NAME
,
101 .dma_boundary
= ATA_DMA_BOUNDARY
,
102 .slave_configure
= ata_scsi_slave_config
,
103 .slave_destroy
= ata_scsi_slave_destroy
,
104 .bios_param
= ata_std_bios_param
,
107 static struct ata_port_operations pcmcia_port_ops
= {
108 .set_mode
= pcmcia_set_mode
,
109 .tf_load
= ata_tf_load
,
110 .tf_read
= ata_tf_read
,
111 .check_status
= ata_check_status
,
112 .exec_command
= ata_exec_command
,
113 .dev_select
= ata_std_dev_select
,
115 .freeze
= ata_bmdma_freeze
,
116 .thaw
= ata_bmdma_thaw
,
117 .error_handler
= ata_bmdma_error_handler
,
118 .post_internal_cmd
= ata_bmdma_post_internal_cmd
,
119 .cable_detect
= ata_cable_40wire
,
121 .qc_prep
= ata_qc_prep
,
122 .qc_issue
= ata_qc_issue_prot
,
124 .data_xfer
= ata_data_xfer_noirq
,
126 .irq_clear
= ata_bmdma_irq_clear
,
127 .irq_on
= ata_irq_on
,
129 .port_start
= ata_sff_port_start
,
132 #define CS_CHECK(fn, ret) \
133 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
136 * pcmcia_init_one - attach a PCMCIA interface
137 * @pdev: pcmcia device
139 * Register a PCMCIA IDE interface. Such interfaces are PIO 0 and
143 static int pcmcia_init_one(struct pcmcia_device
*pdev
)
145 struct ata_host
*host
;
147 struct ata_pcmcia_info
*info
;
150 unsigned short buf
[128];
153 cistpl_cftable_entry_t dflt
;
155 cistpl_cftable_entry_t
*cfg
;
156 int pass
, last_ret
= 0, last_fn
= 0, is_kme
= 0, ret
= -ENOMEM
;
157 unsigned long io_base
, ctl_base
;
158 void __iomem
*io_addr
, *ctl_addr
;
160 info
= kzalloc(sizeof(*info
), GFP_KERNEL
);
164 /* Glue stuff together. FIXME: We may be able to get rid of info with care */
168 /* Set up attributes in order to probe card and get resources */
169 pdev
->io
.Attributes1
= IO_DATA_PATH_WIDTH_AUTO
;
170 pdev
->io
.Attributes2
= IO_DATA_PATH_WIDTH_8
;
171 pdev
->io
.IOAddrLines
= 3;
172 pdev
->irq
.Attributes
= IRQ_TYPE_DYNAMIC_SHARING
;
173 pdev
->irq
.IRQInfo1
= IRQ_LEVEL_ID
;
174 pdev
->conf
.Attributes
= CONF_ENABLE_IRQ
;
175 pdev
->conf
.IntType
= INT_MEMORY_AND_IO
;
177 /* Allocate resoure probing structures */
179 stk
= kzalloc(sizeof(*stk
), GFP_KERNEL
);
183 cfg
= &stk
->parse
.cftable_entry
;
185 /* Tuples we are walking */
186 tuple
.TupleData
= (cisdata_t
*)&stk
->buf
;
187 tuple
.TupleOffset
= 0;
188 tuple
.TupleDataMax
= 255;
189 tuple
.Attributes
= 0;
191 /* See if we have a manufacturer identifier. Use it to set is_kme for
193 is_kme
= ((pdev
->manf_id
== MANFID_KME
) &&
194 ((pdev
->card_id
== PRODID_KME_KXLC005_A
) ||
195 (pdev
->card_id
== PRODID_KME_KXLC005_B
)));
197 /* Not sure if this is right... look up the current Vcc */
198 CS_CHECK(GetConfigurationInfo
, pcmcia_get_configuration_info(pdev
, &stk
->conf
));
199 /* link->conf.Vcc = stk->conf.Vcc; */
201 pass
= io_base
= ctl_base
= 0;
202 tuple
.DesiredTuple
= CISTPL_CFTABLE_ENTRY
;
203 tuple
.Attributes
= 0;
204 CS_CHECK(GetFirstTuple
, pcmcia_get_first_tuple(pdev
, &tuple
));
206 /* Now munch the resources looking for a suitable set */
208 if (pcmcia_get_tuple_data(pdev
, &tuple
) != 0)
210 if (pcmcia_parse_tuple(pdev
, &tuple
, &stk
->parse
) != 0)
212 /* Check for matching Vcc, unless we're desperate */
214 if (cfg
->vcc
.present
& (1 << CISTPL_POWER_VNOM
)) {
215 if (stk
->conf
.Vcc
!= cfg
->vcc
.param
[CISTPL_POWER_VNOM
] / 10000)
217 } else if (stk
->dflt
.vcc
.present
& (1 << CISTPL_POWER_VNOM
)) {
218 if (stk
->conf
.Vcc
!= stk
->dflt
.vcc
.param
[CISTPL_POWER_VNOM
] / 10000)
223 if (cfg
->vpp1
.present
& (1 << CISTPL_POWER_VNOM
))
224 pdev
->conf
.Vpp
= cfg
->vpp1
.param
[CISTPL_POWER_VNOM
] / 10000;
225 else if (stk
->dflt
.vpp1
.present
& (1 << CISTPL_POWER_VNOM
))
226 pdev
->conf
.Vpp
= stk
->dflt
.vpp1
.param
[CISTPL_POWER_VNOM
] / 10000;
228 if ((cfg
->io
.nwin
> 0) || (stk
->dflt
.io
.nwin
> 0)) {
229 cistpl_io_t
*io
= (cfg
->io
.nwin
) ? &cfg
->io
: &stk
->dflt
.io
;
230 pdev
->conf
.ConfigIndex
= cfg
->index
;
231 pdev
->io
.BasePort1
= io
->win
[0].base
;
232 pdev
->io
.IOAddrLines
= io
->flags
& CISTPL_IO_LINES_MASK
;
233 if (!(io
->flags
& CISTPL_IO_16BIT
))
234 pdev
->io
.Attributes1
= IO_DATA_PATH_WIDTH_8
;
236 pdev
->io
.NumPorts1
= 8;
237 pdev
->io
.BasePort2
= io
->win
[1].base
;
238 pdev
->io
.NumPorts2
= (is_kme
) ? 2 : 1;
239 if (pcmcia_request_io(pdev
, &pdev
->io
) != 0)
241 io_base
= pdev
->io
.BasePort1
;
242 ctl_base
= pdev
->io
.BasePort2
;
243 } else if ((io
->nwin
== 1) && (io
->win
[0].len
>= 16)) {
244 pdev
->io
.NumPorts1
= io
->win
[0].len
;
245 pdev
->io
.NumPorts2
= 0;
246 if (pcmcia_request_io(pdev
, &pdev
->io
) != 0)
248 io_base
= pdev
->io
.BasePort1
;
249 ctl_base
= pdev
->io
.BasePort1
+ 0x0e;
252 /* If we've got this far, we're done */
256 if (cfg
->flags
& CISTPL_CFTABLE_DEFAULT
)
257 memcpy(&stk
->dflt
, cfg
, sizeof(stk
->dflt
));
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
));
267 CS_CHECK(RequestIRQ
, pcmcia_request_irq(pdev
, &pdev
->irq
));
268 CS_CHECK(RequestConfiguration
, pcmcia_request_configuration(pdev
, &pdev
->conf
));
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
)
277 /* Success. Disable the IRQ nIEN line, do quirks */
278 iowrite8(0x02, ctl_addr
);
280 iowrite8(0x81, ctl_addr
+ 0x01);
282 /* FIXME: Could be more ports at base + 0x10 but we only deal with
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
292 host
= ata_host_alloc(&pdev
->dev
, 1);
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
);
308 ret
= ata_host_activate(host
, pdev
->irq
.AssignedIRQ
, ata_interrupt
,
309 IRQF_SHARED
, &pcmcia_sht
);
318 cs_error(pdev
, last_fn
, last_ret
);
322 pcmcia_disable_device(pdev
);
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
;
342 /* If we have attached the device to the ATA layer, detach it */
344 struct ata_host
*host
= dev_get_drvdata(dev
);
345 ata_host_detach(host
);
350 pcmcia_disable_device(pdev
);
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),
413 MODULE_DEVICE_TABLE(pcmcia
, pcmcia_devices
);
415 static struct pcmcia_driver pcmcia_driver
= {
416 .owner
= THIS_MODULE
,
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
);