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Diffstat (limited to 'drivers/ata/pata_pcmcia.c')
-rw-r--r--drivers/ata/pata_pcmcia.c393
1 files changed, 393 insertions, 0 deletions
diff --git a/drivers/ata/pata_pcmcia.c b/drivers/ata/pata_pcmcia.c
new file mode 100644
index 000000000000..2abe0a3bbb92
--- /dev/null
+++ b/drivers/ata/pata_pcmcia.c
@@ -0,0 +1,393 @@
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>
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"
45#define DRV_VERSION "0.2.9"
46
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,
65 .max_sectors = ATA_MAX_SECTORS,
66 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
67 .emulated = ATA_SHT_EMULATED,
68 .use_clustering = ATA_SHT_USE_CLUSTERING,
69 .proc_name = DRV_NAME,
70 .dma_boundary = ATA_DMA_BOUNDARY,
71 .slave_configure = ata_scsi_slave_config,
72 .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,
87
88 .qc_prep = ata_qc_prep,
89 .qc_issue = ata_qc_issue_prot,
90 .eng_timeout = ata_eng_timeout,
91 .data_xfer = ata_pio_data_xfer_noirq,
92
93 .irq_handler = ata_interrupt,
94 .irq_clear = ata_bmdma_irq_clear,
95
96 .port_start = ata_port_start,
97 .port_stop = ata_port_stop,
98 .host_stop = ata_host_stop
99};
100
101#define CS_CHECK(fn, ret) \
102do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
103
104/**
105 * pcmcia_init_one - attach a PCMCIA interface
106 * @pdev: pcmcia device
107 *
108 * Register a PCMCIA IDE interface. Such interfaces are PIO 0 and
109 * shared IRQ.
110 */
111
112static int pcmcia_init_one(struct pcmcia_device *pdev)
113{
114 struct ata_probe_ent ae;
115 struct ata_pcmcia_info *info;
116 tuple_t tuple;
117 struct {
118 unsigned short buf[128];
119 cisparse_t parse;
120 config_info_t conf;
121 cistpl_cftable_entry_t dflt;
122 } *stk = NULL;
123 cistpl_cftable_entry_t *cfg;
124 int pass, last_ret = 0, last_fn = 0, is_kme = 0, ret = -ENOMEM;
125 unsigned long io_base, ctl_base;
126
127 info = kzalloc(sizeof(*info), GFP_KERNEL);
128 if (info == NULL)
129 return -ENOMEM;
130
131 /* Glue stuff together. FIXME: We may be able to get rid of info with care */
132 info->pdev = pdev;
133 pdev->priv = info;
134
135 /* Set up attributes in order to probe card and get resources */
136 pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
137 pdev->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
138 pdev->io.IOAddrLines = 3;
139 pdev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
140 pdev->irq.IRQInfo1 = IRQ_LEVEL_ID;
141 pdev->conf.Attributes = CONF_ENABLE_IRQ;
142 pdev->conf.IntType = INT_MEMORY_AND_IO;
143
144 /* Allocate resoure probing structures */
145
146 stk = kzalloc(sizeof(*stk), GFP_KERNEL);
147 if (!stk)
148 goto out1;
149
150 cfg = &stk->parse.cftable_entry;
151
152 /* Tuples we are walking */
153 tuple.TupleData = (cisdata_t *)&stk->buf;
154 tuple.TupleOffset = 0;
155 tuple.TupleDataMax = 255;
156 tuple.Attributes = 0;
157 tuple.DesiredTuple = CISTPL_CONFIG;
158
159 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(pdev, &tuple));
160 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(pdev, &tuple));
161 CS_CHECK(ParseTuple, pcmcia_parse_tuple(pdev, &tuple, &stk->parse));
162 pdev->conf.ConfigBase = stk->parse.config.base;
163 pdev->conf.Present = stk->parse.config.rmask[0];
164
165 /* See if we have a manufacturer identifier. Use it to set is_kme for
166 vendor quirks */
167 tuple.DesiredTuple = CISTPL_MANFID;
168 if (!pcmcia_get_first_tuple(pdev, &tuple) && !pcmcia_get_tuple_data(pdev, &tuple) && !pcmcia_parse_tuple(pdev, &tuple, &stk->parse))
169 is_kme = ((stk->parse.manfid.manf == MANFID_KME) && ((stk->parse.manfid.card == PRODID_KME_KXLC005_A) || (stk->parse.manfid.card == PRODID_KME_KXLC005_B)));
170
171 /* Not sure if this is right... look up the current Vcc */
172 CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(pdev, &stk->conf));
173/* link->conf.Vcc = stk->conf.Vcc; */
174
175 pass = io_base = ctl_base = 0;
176 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
177 tuple.Attributes = 0;
178 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(pdev, &tuple));
179
180 /* Now munch the resources looking for a suitable set */
181 while (1) {
182 if (pcmcia_get_tuple_data(pdev, &tuple) != 0)
183 goto next_entry;
184 if (pcmcia_parse_tuple(pdev, &tuple, &stk->parse) != 0)
185 goto next_entry;
186 /* Check for matching Vcc, unless we're desperate */
187 if (!pass) {
188 if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
189 if (stk->conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000)
190 goto next_entry;
191 } else if (stk->dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
192 if (stk->conf.Vcc != stk->dflt.vcc.param[CISTPL_POWER_VNOM] / 10000)
193 goto next_entry;
194 }
195 }
196
197 if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
198 pdev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
199 else if (stk->dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
200 pdev->conf.Vpp = stk->dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
201
202 if ((cfg->io.nwin > 0) || (stk->dflt.io.nwin > 0)) {
203 cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &stk->dflt.io;
204 pdev->conf.ConfigIndex = cfg->index;
205 pdev->io.BasePort1 = io->win[0].base;
206 pdev->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
207 if (!(io->flags & CISTPL_IO_16BIT))
208 pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
209 if (io->nwin == 2) {
210 pdev->io.NumPorts1 = 8;
211 pdev->io.BasePort2 = io->win[1].base;
212 pdev->io.NumPorts2 = (is_kme) ? 2 : 1;
213 if (pcmcia_request_io(pdev, &pdev->io) != 0)
214 goto next_entry;
215 io_base = pdev->io.BasePort1;
216 ctl_base = pdev->io.BasePort2;
217 } else if ((io->nwin == 1) && (io->win[0].len >= 16)) {
218 pdev->io.NumPorts1 = io->win[0].len;
219 pdev->io.NumPorts2 = 0;
220 if (pcmcia_request_io(pdev, &pdev->io) != 0)
221 goto next_entry;
222 io_base = pdev->io.BasePort1;
223 ctl_base = pdev->io.BasePort1 + 0x0e;
224 } else goto next_entry;
225 /* If we've got this far, we're done */
226 break;
227 }
228next_entry:
229 if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
230 memcpy(&stk->dflt, cfg, sizeof(stk->dflt));
231 if (pass) {
232 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(pdev, &tuple));
233 } else if (pcmcia_get_next_tuple(pdev, &tuple) != 0) {
234 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(pdev, &tuple));
235 memset(&stk->dflt, 0, sizeof(stk->dflt));
236 pass++;
237 }
238 }
239
240 CS_CHECK(RequestIRQ, pcmcia_request_irq(pdev, &pdev->irq));
241 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(pdev, &pdev->conf));
242
243 /* Success. Disable the IRQ nIEN line, do quirks */
244 outb(0x02, ctl_base);
245 if (is_kme)
246 outb(0x81, ctl_base + 0x01);
247
248 /* FIXME: Could be more ports at base + 0x10 but we only deal with
249 one right now */
250 if (pdev->io.NumPorts1 >= 0x20)
251 printk(KERN_WARNING DRV_NAME ": second channel not yet supported.\n");
252
253 /*
254 * Having done the PCMCIA plumbing the ATA side is relatively
255 * sane.
256 */
257
258 memset(&ae, 0, sizeof(struct ata_probe_ent));
259 INIT_LIST_HEAD(&ae.node);
260 ae.dev = &pdev->dev;
261 ae.port_ops = &pcmcia_port_ops;
262 ae.sht = &pcmcia_sht;
263 ae.n_ports = 1;
264 ae.pio_mask = 1; /* ISA so PIO 0 cycles */
265 ae.irq = pdev->irq.AssignedIRQ;
266 ae.irq_flags = SA_SHIRQ;
267 ae.port_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST;
268 ae.port[0].cmd_addr = io_base;
269 ae.port[0].altstatus_addr = ctl_base;
270 ae.port[0].ctl_addr = ctl_base;
271 ata_std_ports(&ae.port[0]);
272
273 if (ata_device_add(&ae) == 0)
274 goto failed;
275
276 info->ndev = 1;
277 kfree(stk);
278 return 0;
279
280cs_failed:
281 cs_error(pdev, last_fn, last_ret);
282failed:
283 kfree(stk);
284 info->ndev = 0;
285 pcmcia_disable_device(pdev);
286out1:
287 kfree(info);
288 return ret;
289}
290
291/**
292 * pcmcia_remove_one - unplug an pcmcia interface
293 * @pdev: pcmcia device
294 *
295 * A PCMCIA ATA device has been unplugged. Perform the needed
296 * cleanup. Also called on module unload for any active devices.
297 */
298
299static void pcmcia_remove_one(struct pcmcia_device *pdev)
300{
301 struct ata_pcmcia_info *info = pdev->priv;
302 struct device *dev = &pdev->dev;
303
304 if (info != NULL) {
305 /* If we have attached the device to the ATA layer, detach it */
306 if (info->ndev) {
307 struct ata_host *host = dev_get_drvdata(dev);
308 ata_host_remove(host);
309 dev_set_drvdata(dev, NULL);
310 }
311 info->ndev = 0;
312 pdev->priv = NULL;
313 }
314 pcmcia_disable_device(pdev);
315 kfree(info);
316}
317
318static struct pcmcia_device_id pcmcia_devices[] = {
319 PCMCIA_DEVICE_FUNC_ID(4),
320 PCMCIA_DEVICE_MANF_CARD(0x0007, 0x0000), /* Hitachi */
321 PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704),
322 PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401),
323 PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000), /* Toshiba */
324 PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d),
325 PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000), /* Samsung */
326 PCMCIA_DEVICE_MANF_CARD(0x0319, 0x0000), /* Hitachi */
327 PCMCIA_DEVICE_MANF_CARD(0x2080, 0x0001),
328 PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0200), /* Lexar */
329 PCMCIA_DEVICE_PROD_ID123("Caravelle", "PSC-IDE ", "PSC000", 0x8c36137c, 0xd0693ab8, 0x2768a9f0),
330 PCMCIA_DEVICE_PROD_ID123("CDROM", "IDE", "MCD-601p", 0x1b9179ca, 0xede88951, 0x0d902f74),
331 PCMCIA_DEVICE_PROD_ID123("PCMCIA", "IDE CARD", "F1", 0x281f1c5d, 0x1907960c, 0xf7fde8b9),
332 PCMCIA_DEVICE_PROD_ID12("ARGOSY", "CD-ROM", 0x78f308dc, 0x66536591),
333 PCMCIA_DEVICE_PROD_ID12("ARGOSY", "PnPIDE", 0x78f308dc, 0x0c694728),
334 PCMCIA_DEVICE_PROD_ID12("CNF CD-M", "CD-ROM", 0x7d93b852, 0x66536591),
335 PCMCIA_DEVICE_PROD_ID12("Creative Technology Ltd.", "PCMCIA CD-ROM Interface Card", 0xff8c8a45, 0xfe8020c4),
336 PCMCIA_DEVICE_PROD_ID12("Digital Equipment Corporation.", "Digital Mobile Media CD-ROM", 0x17692a66, 0xef1dcbde),
337 PCMCIA_DEVICE_PROD_ID12("EXP", "CD+GAME", 0x6f58c983, 0x63c13aaf),
338 PCMCIA_DEVICE_PROD_ID12("EXP ", "CD-ROM", 0x0a5c52fd, 0x66536591),
339 PCMCIA_DEVICE_PROD_ID12("EXP ", "PnPIDE", 0x0a5c52fd, 0x0c694728),
340 PCMCIA_DEVICE_PROD_ID12("FREECOM", "PCCARD-IDE", 0x5714cbf7, 0x48e0ab8e),
341 PCMCIA_DEVICE_PROD_ID12("HITACHI", "FLASH", 0xf4f43949, 0x9eb86aae),
342 PCMCIA_DEVICE_PROD_ID12("HITACHI", "microdrive", 0xf4f43949, 0xa6d76178),
343 PCMCIA_DEVICE_PROD_ID12("IBM", "microdrive", 0xb569a6e5, 0xa6d76178),
344 PCMCIA_DEVICE_PROD_ID12("IBM", "IBM17JSSFP20", 0xb569a6e5, 0xf2508753),
345 PCMCIA_DEVICE_PROD_ID12("IO DATA", "CBIDE2 ", 0x547e66dc, 0x8671043b),
346 PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149),
347 PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDEII", 0x547e66dc, 0xb3662674),
348 PCMCIA_DEVICE_PROD_ID12("LOOKMEET", "CBIDE2 ", 0xe37be2b5, 0x8671043b),
349 PCMCIA_DEVICE_PROD_ID12("M-Systems", "CF500", 0x7ed2ad87, 0x7a13045c),
350 PCMCIA_DEVICE_PROD_ID2("NinjaATA-", 0xebe0bd79),
351 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "CD-ROM", 0x281f1c5d, 0x66536591),
352 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "PnPIDE", 0x281f1c5d, 0x0c694728),
353 PCMCIA_DEVICE_PROD_ID12("SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", 0x4a3f0ba0, 0x322560e1),
354 PCMCIA_DEVICE_PROD_ID12("SEAGATE", "ST1", 0x87c1b330, 0xe1f30883),
355 PCMCIA_DEVICE_PROD_ID12("SAMSUNG", "04/05/06", 0x43d74cb4, 0x6a22777d),
356 PCMCIA_DEVICE_PROD_ID12("SMI VENDOR", "SMI PRODUCT", 0x30896c92, 0x703cc5f6),
357 PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003),
358 PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852),
359 PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209),
360 PCMCIA_DEVICE_PROD_ID12("STI", "Flash 5.0", 0xbf2df18d, 0x8cb57a0e),
361 PCMCIA_MFC_DEVICE_PROD_ID12(1, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6),
362 PCMCIA_DEVICE_NULL,
363};
364
365MODULE_DEVICE_TABLE(pcmcia, pcmcia_devices);
366
367static struct pcmcia_driver pcmcia_driver = {
368 .owner = THIS_MODULE,
369 .drv = {
370 .name = DRV_NAME,
371 },
372 .id_table = pcmcia_devices,
373 .probe = pcmcia_init_one,
374 .remove = pcmcia_remove_one,
375};
376
377static int __init pcmcia_init(void)
378{
379 return pcmcia_register_driver(&pcmcia_driver);
380}
381
382static void __exit pcmcia_exit(void)
383{
384 pcmcia_unregister_driver(&pcmcia_driver);
385}
386
387MODULE_AUTHOR("Alan Cox");
388MODULE_DESCRIPTION("low-level driver for PCMCIA ATA");
389MODULE_LICENSE("GPL");
390MODULE_VERSION(DRV_VERSION);
391
392module_init(pcmcia_init);
393module_exit(pcmcia_exit);
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