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669a5db4 JG |
1 | /* |
2 | * pata_pcmcia.c - PCMCIA PATA controller driver. | |
3 | * Copyright 2005-2006 Red Hat Inc <alan@redhat.com>, all rights reserved. | |
85cd7251 | 4 | * PCMCIA ident update Copyright 2006 Marcin Juszkiewicz |
669a5db4 JG |
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" | |
a0a00cbf | 45 | #define DRV_VERSION "0.2.11" |
669a5db4 JG |
46 | |
47 | /* | |
48 | * Private data structure to glue stuff together | |
49 | */ | |
50 | ||
51 | struct ata_pcmcia_info { | |
52 | struct pcmcia_device *pdev; | |
53 | int ndev; | |
54 | dev_node_t node; | |
55 | }; | |
56 | ||
57 | static 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, | |
669a5db4 JG |
65 | .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, | |
afdfe899 | 71 | .slave_destroy = ata_scsi_slave_destroy, |
669a5db4 JG |
72 | .bios_param = ata_std_bios_param, |
73 | }; | |
74 | ||
75 | static 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, | |
bda30288 | 90 | |
0d5ff566 | 91 | .data_xfer = ata_data_xfer_noirq, |
669a5db4 JG |
92 | |
93 | .irq_handler = ata_interrupt, | |
94 | .irq_clear = ata_bmdma_irq_clear, | |
95 | ||
96 | .port_start = ata_port_start, | |
669a5db4 JG |
97 | }; |
98 | ||
99 | #define CS_CHECK(fn, ret) \ | |
100 | do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) | |
101 | ||
102 | /** | |
103 | * pcmcia_init_one - attach a PCMCIA interface | |
104 | * @pdev: pcmcia device | |
105 | * | |
106 | * Register a PCMCIA IDE interface. Such interfaces are PIO 0 and | |
107 | * shared IRQ. | |
108 | */ | |
109 | ||
110 | static int pcmcia_init_one(struct pcmcia_device *pdev) | |
111 | { | |
112 | struct ata_probe_ent ae; | |
113 | struct ata_pcmcia_info *info; | |
114 | tuple_t tuple; | |
115 | struct { | |
116 | unsigned short buf[128]; | |
117 | cisparse_t parse; | |
118 | config_info_t conf; | |
119 | cistpl_cftable_entry_t dflt; | |
120 | } *stk = NULL; | |
121 | cistpl_cftable_entry_t *cfg; | |
122 | int pass, last_ret = 0, last_fn = 0, is_kme = 0, ret = -ENOMEM; | |
123 | unsigned long io_base, ctl_base; | |
0d5ff566 | 124 | void __iomem *io_addr, *ctl_addr; |
669a5db4 JG |
125 | |
126 | info = kzalloc(sizeof(*info), GFP_KERNEL); | |
127 | if (info == NULL) | |
128 | return -ENOMEM; | |
129 | ||
130 | /* Glue stuff together. FIXME: We may be able to get rid of info with care */ | |
131 | info->pdev = pdev; | |
132 | pdev->priv = info; | |
133 | ||
134 | /* Set up attributes in order to probe card and get resources */ | |
135 | pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; | |
136 | pdev->io.Attributes2 = IO_DATA_PATH_WIDTH_8; | |
137 | pdev->io.IOAddrLines = 3; | |
138 | pdev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING; | |
139 | pdev->irq.IRQInfo1 = IRQ_LEVEL_ID; | |
140 | pdev->conf.Attributes = CONF_ENABLE_IRQ; | |
141 | pdev->conf.IntType = INT_MEMORY_AND_IO; | |
142 | ||
143 | /* Allocate resoure probing structures */ | |
144 | ||
145 | stk = kzalloc(sizeof(*stk), GFP_KERNEL); | |
146 | if (!stk) | |
147 | goto out1; | |
148 | ||
149 | cfg = &stk->parse.cftable_entry; | |
150 | ||
151 | /* Tuples we are walking */ | |
152 | tuple.TupleData = (cisdata_t *)&stk->buf; | |
153 | tuple.TupleOffset = 0; | |
154 | tuple.TupleDataMax = 255; | |
155 | tuple.Attributes = 0; | |
669a5db4 JG |
156 | |
157 | /* See if we have a manufacturer identifier. Use it to set is_kme for | |
158 | vendor quirks */ | |
efd50585 DB |
159 | is_kme = ((pdev->manf_id == MANFID_KME) && |
160 | ((pdev->card_id == PRODID_KME_KXLC005_A) || | |
161 | (pdev->card_id == PRODID_KME_KXLC005_B))); | |
669a5db4 JG |
162 | |
163 | /* Not sure if this is right... look up the current Vcc */ | |
164 | CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(pdev, &stk->conf)); | |
165 | /* link->conf.Vcc = stk->conf.Vcc; */ | |
166 | ||
167 | pass = io_base = ctl_base = 0; | |
168 | tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; | |
169 | tuple.Attributes = 0; | |
170 | CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(pdev, &tuple)); | |
171 | ||
172 | /* Now munch the resources looking for a suitable set */ | |
173 | while (1) { | |
174 | if (pcmcia_get_tuple_data(pdev, &tuple) != 0) | |
175 | goto next_entry; | |
176 | if (pcmcia_parse_tuple(pdev, &tuple, &stk->parse) != 0) | |
177 | goto next_entry; | |
178 | /* Check for matching Vcc, unless we're desperate */ | |
179 | if (!pass) { | |
180 | if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) { | |
181 | if (stk->conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000) | |
182 | goto next_entry; | |
183 | } else if (stk->dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) { | |
184 | if (stk->conf.Vcc != stk->dflt.vcc.param[CISTPL_POWER_VNOM] / 10000) | |
185 | goto next_entry; | |
186 | } | |
187 | } | |
188 | ||
189 | if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM)) | |
190 | pdev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000; | |
191 | else if (stk->dflt.vpp1.present & (1 << CISTPL_POWER_VNOM)) | |
192 | pdev->conf.Vpp = stk->dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000; | |
193 | ||
194 | if ((cfg->io.nwin > 0) || (stk->dflt.io.nwin > 0)) { | |
195 | cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &stk->dflt.io; | |
196 | pdev->conf.ConfigIndex = cfg->index; | |
197 | pdev->io.BasePort1 = io->win[0].base; | |
198 | pdev->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK; | |
199 | if (!(io->flags & CISTPL_IO_16BIT)) | |
200 | pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_8; | |
201 | if (io->nwin == 2) { | |
202 | pdev->io.NumPorts1 = 8; | |
203 | pdev->io.BasePort2 = io->win[1].base; | |
204 | pdev->io.NumPorts2 = (is_kme) ? 2 : 1; | |
205 | if (pcmcia_request_io(pdev, &pdev->io) != 0) | |
206 | goto next_entry; | |
207 | io_base = pdev->io.BasePort1; | |
208 | ctl_base = pdev->io.BasePort2; | |
209 | } else if ((io->nwin == 1) && (io->win[0].len >= 16)) { | |
210 | pdev->io.NumPorts1 = io->win[0].len; | |
211 | pdev->io.NumPorts2 = 0; | |
212 | if (pcmcia_request_io(pdev, &pdev->io) != 0) | |
213 | goto next_entry; | |
214 | io_base = pdev->io.BasePort1; | |
215 | ctl_base = pdev->io.BasePort1 + 0x0e; | |
216 | } else goto next_entry; | |
217 | /* If we've got this far, we're done */ | |
218 | break; | |
219 | } | |
220 | next_entry: | |
221 | if (cfg->flags & CISTPL_CFTABLE_DEFAULT) | |
222 | memcpy(&stk->dflt, cfg, sizeof(stk->dflt)); | |
223 | if (pass) { | |
224 | CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(pdev, &tuple)); | |
225 | } else if (pcmcia_get_next_tuple(pdev, &tuple) != 0) { | |
226 | CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(pdev, &tuple)); | |
227 | memset(&stk->dflt, 0, sizeof(stk->dflt)); | |
228 | pass++; | |
229 | } | |
230 | } | |
231 | ||
232 | CS_CHECK(RequestIRQ, pcmcia_request_irq(pdev, &pdev->irq)); | |
233 | CS_CHECK(RequestConfiguration, pcmcia_request_configuration(pdev, &pdev->conf)); | |
234 | ||
0d5ff566 TH |
235 | /* iomap */ |
236 | ret = -ENOMEM; | |
237 | io_addr = devm_ioport_map(&pdev->dev, io_base, 8); | |
238 | ctl_addr = devm_ioport_map(&pdev->dev, ctl_base, 1); | |
239 | if (!io_addr || !ctl_addr) | |
240 | goto failed; | |
241 | ||
669a5db4 | 242 | /* Success. Disable the IRQ nIEN line, do quirks */ |
0d5ff566 | 243 | iowrite8(0x02, ctl_addr); |
669a5db4 | 244 | if (is_kme) |
0d5ff566 | 245 | iowrite8(0x81, ctl_addr + 0x01); |
669a5db4 JG |
246 | |
247 | /* FIXME: Could be more ports at base + 0x10 but we only deal with | |
248 | one right now */ | |
249 | if (pdev->io.NumPorts1 >= 0x20) | |
250 | printk(KERN_WARNING DRV_NAME ": second channel not yet supported.\n"); | |
251 | ||
252 | /* | |
253 | * Having done the PCMCIA plumbing the ATA side is relatively | |
254 | * sane. | |
255 | */ | |
256 | ||
257 | memset(&ae, 0, sizeof(struct ata_probe_ent)); | |
258 | INIT_LIST_HEAD(&ae.node); | |
259 | ae.dev = &pdev->dev; | |
260 | ae.port_ops = &pcmcia_port_ops; | |
261 | ae.sht = &pcmcia_sht; | |
262 | ae.n_ports = 1; | |
263 | ae.pio_mask = 1; /* ISA so PIO 0 cycles */ | |
264 | ae.irq = pdev->irq.AssignedIRQ; | |
265 | ae.irq_flags = SA_SHIRQ; | |
266 | ae.port_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST; | |
0d5ff566 TH |
267 | ae.port[0].cmd_addr = io_addr; |
268 | ae.port[0].altstatus_addr = ctl_addr; | |
269 | ae.port[0].ctl_addr = ctl_addr; | |
669a5db4 JG |
270 | ata_std_ports(&ae.port[0]); |
271 | ||
0d5ff566 | 272 | ret = -ENODEV; |
669a5db4 JG |
273 | if (ata_device_add(&ae) == 0) |
274 | goto failed; | |
275 | ||
276 | info->ndev = 1; | |
277 | kfree(stk); | |
278 | return 0; | |
279 | ||
280 | cs_failed: | |
281 | cs_error(pdev, last_fn, last_ret); | |
282 | failed: | |
283 | kfree(stk); | |
284 | info->ndev = 0; | |
285 | pcmcia_disable_device(pdev); | |
286 | out1: | |
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 | ||
299 | static 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); | |
24dc5f33 | 308 | ata_host_detach(host); |
669a5db4 JG |
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 | ||
318 | static 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), | |
a0a00cbf | 358 | PCMCIA_DEVICE_PROD_ID1("TRANSCEND 512M ", 0xd0909443), |
bf4e1829 | 359 | PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF80", 0x709b1bf1, 0x2a54d4b1), |
a0a00cbf | 360 | PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF120", 0x709b1bf1, 0xf54a91c8), |
669a5db4 | 361 | PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852), |
0517793f | 362 | PCMCIA_DEVICE_PROD_ID12("WEIDA", "TWTTI", 0xcc7cf69c, 0x212bb918), |
669a5db4 JG |
363 | PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209), |
364 | PCMCIA_DEVICE_PROD_ID12("STI", "Flash 5.0", 0xbf2df18d, 0x8cb57a0e), | |
365 | PCMCIA_MFC_DEVICE_PROD_ID12(1, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6), | |
366 | PCMCIA_DEVICE_NULL, | |
367 | }; | |
368 | ||
369 | MODULE_DEVICE_TABLE(pcmcia, pcmcia_devices); | |
370 | ||
371 | static struct pcmcia_driver pcmcia_driver = { | |
372 | .owner = THIS_MODULE, | |
373 | .drv = { | |
374 | .name = DRV_NAME, | |
375 | }, | |
376 | .id_table = pcmcia_devices, | |
377 | .probe = pcmcia_init_one, | |
378 | .remove = pcmcia_remove_one, | |
379 | }; | |
380 | ||
381 | static int __init pcmcia_init(void) | |
382 | { | |
383 | return pcmcia_register_driver(&pcmcia_driver); | |
384 | } | |
385 | ||
386 | static void __exit pcmcia_exit(void) | |
387 | { | |
388 | pcmcia_unregister_driver(&pcmcia_driver); | |
389 | } | |
390 | ||
391 | MODULE_AUTHOR("Alan Cox"); | |
392 | MODULE_DESCRIPTION("low-level driver for PCMCIA ATA"); | |
393 | MODULE_LICENSE("GPL"); | |
394 | MODULE_VERSION(DRV_VERSION); | |
395 | ||
396 | module_init(pcmcia_init); | |
397 | module_exit(pcmcia_exit); |