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 <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 "0.3.5"
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 * pcmcia_8bit_drain_fifo - Stock FIFO drain logic for SFF controllers
133 * Drain the FIFO and device of any stuck data following a command
134 * failing to complete. In some cases this is neccessary before a
135 * reset will recover the device.
139 void pcmcia_8bit_drain_fifo(struct ata_queued_cmd
*qc
)
144 /* We only need to flush incoming data when a command was running */
145 if (qc
== NULL
|| qc
->dma_dir
== DMA_TO_DEVICE
)
150 /* Drain up to 64K of data before we give up this recovery method */
151 for (count
= 0; (ap
->ops
->sff_check_status(ap
) & ATA_DRQ
)
153 ioread8(ap
->ioaddr
.data_addr
);
156 ata_port_printk(ap
, KERN_WARNING
, "drained %d bytes to clear DRQ.\n",
161 static struct scsi_host_template pcmcia_sht
= {
162 ATA_PIO_SHT(DRV_NAME
),
165 static struct ata_port_operations pcmcia_port_ops
= {
166 .inherits
= &ata_sff_port_ops
,
167 .sff_data_xfer
= ata_sff_data_xfer_noirq
,
168 .cable_detect
= ata_cable_40wire
,
169 .set_mode
= pcmcia_set_mode
,
172 static struct ata_port_operations pcmcia_8bit_port_ops
= {
173 .inherits
= &ata_sff_port_ops
,
174 .sff_data_xfer
= ata_data_xfer_8bit
,
175 .cable_detect
= ata_cable_40wire
,
176 .set_mode
= pcmcia_set_mode_8bit
,
177 .drain_fifo
= pcmcia_8bit_drain_fifo
,
180 #define CS_CHECK(fn, ret) \
181 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
184 struct pcmcia_config_check
{
185 unsigned long ctl_base
;
190 static int pcmcia_check_one_config(struct pcmcia_device
*pdev
,
191 cistpl_cftable_entry_t
*cfg
,
192 cistpl_cftable_entry_t
*dflt
,
196 struct pcmcia_config_check
*stk
= priv_data
;
198 /* Check for matching Vcc, unless we're desperate */
199 if (!stk
->skip_vcc
) {
200 if (cfg
->vcc
.present
& (1 << CISTPL_POWER_VNOM
)) {
201 if (vcc
!= cfg
->vcc
.param
[CISTPL_POWER_VNOM
] / 10000)
203 } else if (dflt
->vcc
.present
& (1 << CISTPL_POWER_VNOM
)) {
204 if (vcc
!= dflt
->vcc
.param
[CISTPL_POWER_VNOM
] / 10000)
209 if (cfg
->vpp1
.present
& (1 << CISTPL_POWER_VNOM
))
210 pdev
->conf
.Vpp
= cfg
->vpp1
.param
[CISTPL_POWER_VNOM
] / 10000;
211 else if (dflt
->vpp1
.present
& (1 << CISTPL_POWER_VNOM
))
212 pdev
->conf
.Vpp
= dflt
->vpp1
.param
[CISTPL_POWER_VNOM
] / 10000;
214 if ((cfg
->io
.nwin
> 0) || (dflt
->io
.nwin
> 0)) {
215 cistpl_io_t
*io
= (cfg
->io
.nwin
) ? &cfg
->io
: &dflt
->io
;
216 pdev
->io
.BasePort1
= io
->win
[0].base
;
217 pdev
->io
.IOAddrLines
= io
->flags
& CISTPL_IO_LINES_MASK
;
218 if (!(io
->flags
& CISTPL_IO_16BIT
))
219 pdev
->io
.Attributes1
= IO_DATA_PATH_WIDTH_8
;
221 pdev
->io
.NumPorts1
= 8;
222 pdev
->io
.BasePort2
= io
->win
[1].base
;
223 pdev
->io
.NumPorts2
= (stk
->is_kme
) ? 2 : 1;
224 if (pcmcia_request_io(pdev
, &pdev
->io
) != 0)
226 stk
->ctl_base
= pdev
->io
.BasePort2
;
227 } else if ((io
->nwin
== 1) && (io
->win
[0].len
>= 16)) {
228 pdev
->io
.NumPorts1
= io
->win
[0].len
;
229 pdev
->io
.NumPorts2
= 0;
230 if (pcmcia_request_io(pdev
, &pdev
->io
) != 0)
232 stk
->ctl_base
= pdev
->io
.BasePort1
+ 0x0e;
235 /* If we've got this far, we're done */
242 * pcmcia_init_one - attach a PCMCIA interface
243 * @pdev: pcmcia device
245 * Register a PCMCIA IDE interface. Such interfaces are PIO 0 and
249 static int pcmcia_init_one(struct pcmcia_device
*pdev
)
251 struct ata_host
*host
;
253 struct ata_pcmcia_info
*info
;
254 struct pcmcia_config_check
*stk
= NULL
;
255 int last_ret
= 0, last_fn
= 0, is_kme
= 0, ret
= -ENOMEM
, p
;
256 unsigned long io_base
, ctl_base
;
257 void __iomem
*io_addr
, *ctl_addr
;
259 struct ata_port_operations
*ops
= &pcmcia_port_ops
;
261 info
= kzalloc(sizeof(*info
), GFP_KERNEL
);
265 /* Glue stuff together. FIXME: We may be able to get rid of info with care */
269 /* Set up attributes in order to probe card and get resources */
270 pdev
->io
.Attributes1
= IO_DATA_PATH_WIDTH_AUTO
;
271 pdev
->io
.Attributes2
= IO_DATA_PATH_WIDTH_8
;
272 pdev
->io
.IOAddrLines
= 3;
273 pdev
->irq
.Attributes
= IRQ_TYPE_DYNAMIC_SHARING
;
274 pdev
->irq
.IRQInfo1
= IRQ_LEVEL_ID
;
275 pdev
->conf
.Attributes
= CONF_ENABLE_IRQ
;
276 pdev
->conf
.IntType
= INT_MEMORY_AND_IO
;
278 /* See if we have a manufacturer identifier. Use it to set is_kme for
280 is_kme
= ((pdev
->manf_id
== MANFID_KME
) &&
281 ((pdev
->card_id
== PRODID_KME_KXLC005_A
) ||
282 (pdev
->card_id
== PRODID_KME_KXLC005_B
)));
284 /* Allocate resoure probing structures */
286 stk
= kzalloc(sizeof(*stk
), GFP_KERNEL
);
289 stk
->is_kme
= is_kme
;
290 stk
->skip_vcc
= io_base
= ctl_base
= 0;
292 if (pcmcia_loop_config(pdev
, pcmcia_check_one_config
, stk
)) {
294 if (pcmcia_loop_config(pdev
, pcmcia_check_one_config
, stk
))
295 goto failed
; /* No suitable config found */
297 io_base
= pdev
->io
.BasePort1
;
298 ctl_base
= stk
->ctl_base
;
299 CS_CHECK(RequestIRQ
, pcmcia_request_irq(pdev
, &pdev
->irq
));
300 CS_CHECK(RequestConfiguration
, pcmcia_request_configuration(pdev
, &pdev
->conf
));
304 io_addr
= devm_ioport_map(&pdev
->dev
, io_base
, 8);
305 ctl_addr
= devm_ioport_map(&pdev
->dev
, ctl_base
, 1);
306 if (!io_addr
|| !ctl_addr
)
309 /* Success. Disable the IRQ nIEN line, do quirks */
310 iowrite8(0x02, ctl_addr
);
312 iowrite8(0x81, ctl_addr
+ 0x01);
314 /* FIXME: Could be more ports at base + 0x10 but we only deal with
316 if (pdev
->io
.NumPorts1
>= 0x20)
319 if (pdev
->manf_id
== 0x0097 && pdev
->card_id
== 0x1620)
320 ops
= &pcmcia_8bit_port_ops
;
322 * Having done the PCMCIA plumbing the ATA side is relatively
326 host
= ata_host_alloc(&pdev
->dev
, n_ports
);
330 for (p
= 0; p
< n_ports
; p
++) {
334 ap
->pio_mask
= ATA_PIO0
; /* ISA so PIO 0 cycles */
335 ap
->flags
|= ATA_FLAG_SLAVE_POSS
;
336 ap
->ioaddr
.cmd_addr
= io_addr
+ 0x10 * p
;
337 ap
->ioaddr
.altstatus_addr
= ctl_addr
+ 0x10 * p
;
338 ap
->ioaddr
.ctl_addr
= ctl_addr
+ 0x10 * p
;
339 ata_sff_std_ports(&ap
->ioaddr
);
341 ata_port_desc(ap
, "cmd 0x%lx ctl 0x%lx", io_base
, ctl_base
);
345 ret
= ata_host_activate(host
, pdev
->irq
.AssignedIRQ
, ata_sff_interrupt
,
346 IRQF_SHARED
, &pcmcia_sht
);
355 cs_error(pdev
, last_fn
, last_ret
);
359 pcmcia_disable_device(pdev
);
366 * pcmcia_remove_one - unplug an pcmcia interface
367 * @pdev: pcmcia device
369 * A PCMCIA ATA device has been unplugged. Perform the needed
370 * cleanup. Also called on module unload for any active devices.
373 static void pcmcia_remove_one(struct pcmcia_device
*pdev
)
375 struct ata_pcmcia_info
*info
= pdev
->priv
;
376 struct device
*dev
= &pdev
->dev
;
379 /* If we have attached the device to the ATA layer, detach it */
381 struct ata_host
*host
= dev_get_drvdata(dev
);
382 ata_host_detach(host
);
387 pcmcia_disable_device(pdev
);
391 static struct pcmcia_device_id pcmcia_devices
[] = {
392 PCMCIA_DEVICE_FUNC_ID(4),
393 PCMCIA_DEVICE_MANF_CARD(0x0000, 0x0000), /* Corsair */
394 PCMCIA_DEVICE_MANF_CARD(0x0007, 0x0000), /* Hitachi */
395 PCMCIA_DEVICE_MANF_CARD(0x000a, 0x0000), /* I-O Data CFA */
396 PCMCIA_DEVICE_MANF_CARD(0x001c, 0x0001), /* Mitsubishi CFA */
397 PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704),
398 PCMCIA_DEVICE_MANF_CARD(0x0032, 0x2904),
399 PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401), /* SanDisk CFA */
400 PCMCIA_DEVICE_MANF_CARD(0x004f, 0x0000), /* Kingston */
401 PCMCIA_DEVICE_MANF_CARD(0x0097, 0x1620), /* TI emulated */
402 PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000), /* Toshiba */
403 PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d),
404 PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000), /* Samsung */
405 PCMCIA_DEVICE_MANF_CARD(0x0319, 0x0000), /* Hitachi */
406 PCMCIA_DEVICE_MANF_CARD(0x2080, 0x0001),
407 PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0100), /* Viking CFA */
408 PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0200), /* Lexar, Viking CFA */
409 PCMCIA_DEVICE_PROD_ID123("Caravelle", "PSC-IDE ", "PSC000", 0x8c36137c, 0xd0693ab8, 0x2768a9f0),
410 PCMCIA_DEVICE_PROD_ID123("CDROM", "IDE", "MCD-601p", 0x1b9179ca, 0xede88951, 0x0d902f74),
411 PCMCIA_DEVICE_PROD_ID123("PCMCIA", "IDE CARD", "F1", 0x281f1c5d, 0x1907960c, 0xf7fde8b9),
412 PCMCIA_DEVICE_PROD_ID12("ARGOSY", "CD-ROM", 0x78f308dc, 0x66536591),
413 PCMCIA_DEVICE_PROD_ID12("ARGOSY", "PnPIDE", 0x78f308dc, 0x0c694728),
414 PCMCIA_DEVICE_PROD_ID12("CNF CD-M", "CD-ROM", 0x7d93b852, 0x66536591),
415 PCMCIA_DEVICE_PROD_ID12("Creative Technology Ltd.", "PCMCIA CD-ROM Interface Card", 0xff8c8a45, 0xfe8020c4),
416 PCMCIA_DEVICE_PROD_ID12("Digital Equipment Corporation.", "Digital Mobile Media CD-ROM", 0x17692a66, 0xef1dcbde),
417 PCMCIA_DEVICE_PROD_ID12("EXP", "CD+GAME", 0x6f58c983, 0x63c13aaf),
418 PCMCIA_DEVICE_PROD_ID12("EXP ", "CD-ROM", 0x0a5c52fd, 0x66536591),
419 PCMCIA_DEVICE_PROD_ID12("EXP ", "PnPIDE", 0x0a5c52fd, 0x0c694728),
420 PCMCIA_DEVICE_PROD_ID12("FREECOM", "PCCARD-IDE", 0x5714cbf7, 0x48e0ab8e),
421 PCMCIA_DEVICE_PROD_ID12("HITACHI", "FLASH", 0xf4f43949, 0x9eb86aae),
422 PCMCIA_DEVICE_PROD_ID12("HITACHI", "microdrive", 0xf4f43949, 0xa6d76178),
423 PCMCIA_DEVICE_PROD_ID12("Hyperstone", "Model1", 0x3d5b9ef5, 0xca6ab420),
424 PCMCIA_DEVICE_PROD_ID12("IBM", "microdrive", 0xb569a6e5, 0xa6d76178),
425 PCMCIA_DEVICE_PROD_ID12("IBM", "IBM17JSSFP20", 0xb569a6e5, 0xf2508753),
426 PCMCIA_DEVICE_PROD_ID12("KINGSTON", "CF8GB", 0x2e6d1829, 0xacbe682e),
427 PCMCIA_DEVICE_PROD_ID12("IO DATA", "CBIDE2 ", 0x547e66dc, 0x8671043b),
428 PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149),
429 PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDEII", 0x547e66dc, 0xb3662674),
430 PCMCIA_DEVICE_PROD_ID12("LOOKMEET", "CBIDE2 ", 0xe37be2b5, 0x8671043b),
431 PCMCIA_DEVICE_PROD_ID12("M-Systems", "CF300", 0x7ed2ad87, 0x7e9e78ee),
432 PCMCIA_DEVICE_PROD_ID12("M-Systems", "CF500", 0x7ed2ad87, 0x7a13045c),
433 PCMCIA_DEVICE_PROD_ID2("NinjaATA-", 0xebe0bd79),
434 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "CD-ROM", 0x281f1c5d, 0x66536591),
435 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "PnPIDE", 0x281f1c5d, 0x0c694728),
436 PCMCIA_DEVICE_PROD_ID12("SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", 0x4a3f0ba0, 0x322560e1),
437 PCMCIA_DEVICE_PROD_ID12("SEAGATE", "ST1", 0x87c1b330, 0xe1f30883),
438 PCMCIA_DEVICE_PROD_ID12("SAMSUNG", "04/05/06", 0x43d74cb4, 0x6a22777d),
439 PCMCIA_DEVICE_PROD_ID12("SMI VENDOR", "SMI PRODUCT", 0x30896c92, 0x703cc5f6),
440 PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003),
441 PCMCIA_DEVICE_PROD_ID1("TRANSCEND 512M ", 0xd0909443),
442 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF45", 0x709b1bf1, 0xf68b6f32),
443 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF80", 0x709b1bf1, 0x2a54d4b1),
444 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS2GCF120", 0x709b1bf1, 0x969aa4f2),
445 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF120", 0x709b1bf1, 0xf54a91c8),
446 PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852),
447 PCMCIA_DEVICE_PROD_ID12("WEIDA", "TWTTI", 0xcc7cf69c, 0x212bb918),
448 PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209),
449 PCMCIA_DEVICE_PROD_ID12("STI", "Flash 5.0", 0xbf2df18d, 0x8cb57a0e),
450 PCMCIA_MFC_DEVICE_PROD_ID12(1, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6),
451 PCMCIA_DEVICE_PROD_ID2("Flash Card", 0x5a362506),
455 MODULE_DEVICE_TABLE(pcmcia
, pcmcia_devices
);
457 static struct pcmcia_driver pcmcia_driver
= {
458 .owner
= THIS_MODULE
,
462 .id_table
= pcmcia_devices
,
463 .probe
= pcmcia_init_one
,
464 .remove
= pcmcia_remove_one
,
467 static int __init
pcmcia_init(void)
469 return pcmcia_register_driver(&pcmcia_driver
);
472 static void __exit
pcmcia_exit(void)
474 pcmcia_unregister_driver(&pcmcia_driver
);
477 MODULE_AUTHOR("Alan Cox");
478 MODULE_DESCRIPTION("low-level driver for PCMCIA ATA");
479 MODULE_LICENSE("GPL");
480 MODULE_VERSION(DRV_VERSION
);
482 module_init(pcmcia_init
);
483 module_exit(pcmcia_exit
);