1 | /* $NetBSD: wdc_pcmcia.c,v 1.124 2013/10/12 16:49:01 christos Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 1998, 2003, 2004 The NetBSD Foundation, Inc. |
5 | * All rights reserved. |
6 | * |
7 | * This code is derived from software contributed to The NetBSD Foundation |
8 | * by Charles M. Hannum, by Onno van der Linden and by Manuel Bouyer. |
9 | * |
10 | * Redistribution and use in source and binary forms, with or without |
11 | * modification, are permitted provided that the following conditions |
12 | * are met: |
13 | * 1. Redistributions of source code must retain the above copyright |
14 | * notice, this list of conditions and the following disclaimer. |
15 | * 2. Redistributions in binary form must reproduce the above copyright |
16 | * notice, this list of conditions and the following disclaimer in the |
17 | * documentation and/or other materials provided with the distribution. |
18 | * |
19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
29 | * POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
31 | |
32 | #include <sys/cdefs.h> |
33 | __KERNEL_RCSID(0, "$NetBSD: wdc_pcmcia.c,v 1.124 2013/10/12 16:49:01 christos Exp $" ); |
34 | |
35 | #include <sys/param.h> |
36 | #include <sys/device.h> |
37 | #include <sys/kernel.h> |
38 | #include <sys/malloc.h> |
39 | #include <sys/systm.h> |
40 | #include <sys/proc.h> |
41 | |
42 | #include <sys/bus.h> |
43 | #include <sys/intr.h> |
44 | |
45 | #include <dev/pcmcia/pcmciareg.h> |
46 | #include <dev/pcmcia/pcmciavar.h> |
47 | #include <dev/pcmcia/pcmciadevs.h> |
48 | |
49 | #include <dev/ic/wdcreg.h> |
50 | #include <dev/ata/atavar.h> |
51 | #include <dev/ic/wdcvar.h> |
52 | |
53 | #ifndef __BUS_SPACE_HAS_STREAM_METHODS |
54 | #define bus_space_write_multi_stream_2 bus_space_write_multi_2 |
55 | #define bus_space_write_multi_stream_4 bus_space_write_multi_4 |
56 | #define bus_space_read_multi_stream_2 bus_space_read_multi_2 |
57 | #define bus_space_read_multi_stream_4 bus_space_read_multi_4 |
58 | #endif /* __BUS_SPACE_HAS_STREAM_METHODS */ |
59 | |
60 | #define WDC_PCMCIA_REG_NPORTS 8 |
61 | #define WDC_PCMCIA_AUXREG_OFFSET (WDC_PCMCIA_REG_NPORTS + 6) |
62 | #define WDC_PCMCIA_AUXREG_NPORTS 2 |
63 | |
64 | struct wdc_pcmcia_softc { |
65 | struct wdc_softc sc_wdcdev; |
66 | struct ata_channel *wdc_chanlist[1]; |
67 | struct ata_channel ata_channel; |
68 | struct ata_queue wdc_chqueue; |
69 | struct wdc_regs wdc_regs; |
70 | |
71 | struct pcmcia_function *sc_pf; |
72 | void *sc_ih; |
73 | |
74 | int sc_state; |
75 | #define WDC_PCMCIA_ATTACHED 3 |
76 | }; |
77 | |
78 | #ifndef __BUS_SPACE_HAS_STREAM_METHODS |
79 | #define bus_space_read_region_stream_2 bus_space_read_region_2 |
80 | #define bus_space_read_region_stream_4 bus_space_read_region_4 |
81 | #define bus_space_write_region_stream_2 bus_space_write_region_2 |
82 | #define bus_space_write_region_stream_4 bus_space_write_region_4 |
83 | #endif /* __BUS_SPACE_HAS_STREAM_METHODS */ |
84 | |
85 | static int wdc_pcmcia_match(device_t, cfdata_t, void *); |
86 | static int wdc_pcmcia_validate_config_io(struct pcmcia_config_entry *); |
87 | static int wdc_pcmcia_validate_config_memory(struct pcmcia_config_entry *); |
88 | static void wdc_pcmcia_attach(device_t, device_t, void *); |
89 | static int wdc_pcmcia_detach(device_t, int); |
90 | |
91 | CFATTACH_DECL_NEW(wdc_pcmcia, sizeof(struct wdc_pcmcia_softc), |
92 | wdc_pcmcia_match, wdc_pcmcia_attach, wdc_pcmcia_detach, NULL); |
93 | |
94 | static const struct wdc_pcmcia_product { |
95 | struct pcmcia_product wdc_product; |
96 | int wdc_ndrive; |
97 | } wdc_pcmcia_products[] = { |
98 | { { PCMCIA_VENDOR_DIGITAL, |
99 | PCMCIA_PRODUCT_DIGITAL_MOBILE_MEDIA_CDROM, |
100 | {NULL, "Digital Mobile Media CD-ROM" , NULL, NULL} }, 2 }, |
101 | |
102 | { { PCMCIA_VENDOR_IBM, |
103 | PCMCIA_PRODUCT_IBM_PORTABLE_CDROM, |
104 | {NULL, "PCMCIA Portable CD-ROM Drive" , NULL, NULL} }, 2 }, |
105 | |
106 | /* The TEAC IDE/Card II is used on the Sony Vaio */ |
107 | { { PCMCIA_VENDOR_TEAC, |
108 | PCMCIA_PRODUCT_TEAC_IDECARDII, |
109 | PCMCIA_CIS_TEAC_IDECARDII }, 2 }, |
110 | |
111 | /* |
112 | * A fujitsu rebranded panasonic drive that reports |
113 | * itself as function "scsi", disk interface 0 |
114 | */ |
115 | { { PCMCIA_VENDOR_PANASONIC, |
116 | PCMCIA_PRODUCT_PANASONIC_KXLC005, |
117 | PCMCIA_CIS_PANASONIC_KXLC005 }, 2 }, |
118 | |
119 | { { PCMCIA_VENDOR_SANDISK, |
120 | PCMCIA_PRODUCT_SANDISK_SDCFB, |
121 | PCMCIA_CIS_SANDISK_SDCFB }, 1 }, |
122 | |
123 | /* |
124 | * EXP IDE/ATAPI DVD Card use with some DVD players. |
125 | * Does not have a vendor ID or product ID. |
126 | */ |
127 | { { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, |
128 | PCMCIA_CIS_EXP_EXPMULTIMEDIA }, 2 }, |
129 | |
130 | /* Mobile Dock 2, neither vendor ID nor product ID */ |
131 | { { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, |
132 | {"SHUTTLE TECHNOLOGY LTD." , "PCCARD-IDE/ATAPI Adapter" , NULL, NULL} }, 2 }, |
133 | |
134 | /* Toshiba Portege 3110 CD, neither vendor ID nor product ID */ |
135 | { { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, |
136 | {"FREECOM" , "PCCARD-IDE" , NULL, NULL} }, 2 }, |
137 | |
138 | /* Random CD-ROM, (badged AMACOM), neither vendor ID nor product ID */ |
139 | { { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, |
140 | {"PCMCIA" , "CD-ROM" , NULL, NULL} }, 2 }, |
141 | |
142 | /* IO DATA CBIDE2, with neither vendor ID nor product ID */ |
143 | { { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, |
144 | PCMCIA_CIS_IODATA_CBIDE2 }, 2 }, |
145 | |
146 | /* TOSHIBA PA2673U(IODATA_CBIDE2 OEM), */ |
147 | /* with neither vendor ID nor product ID */ |
148 | { { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, |
149 | PCMCIA_CIS_TOSHIBA_CBIDE2 }, 2 }, |
150 | |
151 | /* |
152 | * Novac PCMCIA-IDE Card for HD530P IDE Box, |
153 | * with neither vendor ID nor product ID |
154 | */ |
155 | { { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, |
156 | {"PCMCIA" , "PnPIDE" , NULL, NULL} }, 2 }, |
157 | |
158 | { { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, |
159 | {"PCMCIA" , "IDE CARD" , NULL, NULL} }, 2 }, |
160 | |
161 | }; |
162 | static const size_t wdc_pcmcia_nproducts = |
163 | sizeof(wdc_pcmcia_products) / sizeof(wdc_pcmcia_products[0]); |
164 | |
165 | static int wdc_pcmcia_enable(device_t, int); |
166 | static void wdc_pcmcia_datain_memory(struct ata_channel *, int, void *, |
167 | size_t); |
168 | static void wdc_pcmcia_dataout_memory(struct ata_channel *, int, void *, |
169 | size_t); |
170 | |
171 | static int |
172 | wdc_pcmcia_match(device_t parent, cfdata_t match, void *aux) |
173 | { |
174 | struct pcmcia_attach_args *pa = aux; |
175 | |
176 | if (pa->pf->function == PCMCIA_FUNCTION_DISK && |
177 | pa->pf->pf_funce_disk_interface == PCMCIA_TPLFE_DDI_PCCARD_ATA) |
178 | return (1); |
179 | if (pcmcia_product_lookup(pa, wdc_pcmcia_products, wdc_pcmcia_nproducts, |
180 | sizeof(wdc_pcmcia_products[0]), NULL)) |
181 | return (2); |
182 | return (0); |
183 | } |
184 | |
185 | static int |
186 | wdc_pcmcia_validate_config_io(struct pcmcia_config_entry *cfe) |
187 | { |
188 | if (cfe->iftype != PCMCIA_IFTYPE_IO || |
189 | cfe->num_iospace < 1 || cfe->num_iospace > 2) |
190 | return (EINVAL); |
191 | cfe->num_memspace = 0; |
192 | return (0); |
193 | } |
194 | |
195 | static int |
196 | wdc_pcmcia_validate_config_memory(struct pcmcia_config_entry *cfe) |
197 | { |
198 | if (cfe->iftype != PCMCIA_IFTYPE_MEMORY || |
199 | cfe->num_memspace > 1 || |
200 | cfe->memspace[0].length < 2048) |
201 | return (EINVAL); |
202 | cfe->num_iospace = 0; |
203 | return (0); |
204 | } |
205 | |
206 | static void |
207 | wdc_pcmcia_attach(device_t parent, device_t self, void *aux) |
208 | { |
209 | struct wdc_pcmcia_softc *sc = device_private(self); |
210 | struct pcmcia_attach_args *pa = aux; |
211 | struct pcmcia_config_entry *cfe; |
212 | struct wdc_regs *wdr; |
213 | const struct wdc_pcmcia_product *wdcp; |
214 | bus_size_t offset; |
215 | int i; |
216 | int error; |
217 | |
218 | aprint_naive("\n" ); |
219 | |
220 | sc->sc_wdcdev.sc_atac.atac_dev = self; |
221 | sc->sc_pf = pa->pf; |
222 | |
223 | error = pcmcia_function_configure(pa->pf, |
224 | wdc_pcmcia_validate_config_io); |
225 | if (error) |
226 | /*XXXmem16|common*/ |
227 | error = pcmcia_function_configure(pa->pf, |
228 | wdc_pcmcia_validate_config_memory); |
229 | if (error) { |
230 | aprint_error_dev(self, "configure failed, error=%d\n" , error); |
231 | return; |
232 | } |
233 | |
234 | cfe = pa->pf->cfe; |
235 | sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA16; |
236 | |
237 | sc->sc_wdcdev.regs = wdr = &sc->wdc_regs; |
238 | |
239 | if (cfe->iftype == PCMCIA_IFTYPE_MEMORY) { |
240 | wdr->cmd_iot = cfe->memspace[0].handle.memt; |
241 | wdr->cmd_baseioh = cfe->memspace[0].handle.memh; |
242 | offset = cfe->memspace[0].offset; |
243 | wdr->ctl_iot = cfe->memspace[0].handle.memt; |
244 | if (bus_space_subregion(cfe->memspace[0].handle.memt, |
245 | cfe->memspace[0].handle.memh, |
246 | offset + WDC_PCMCIA_AUXREG_OFFSET, WDC_PCMCIA_AUXREG_NPORTS, |
247 | &wdr->ctl_ioh)) |
248 | goto fail; |
249 | } else { |
250 | wdr->cmd_iot = cfe->iospace[0].handle.iot; |
251 | wdr->cmd_baseioh = cfe->iospace[0].handle.ioh; |
252 | offset = 0; |
253 | if (cfe->num_iospace == 1) { |
254 | wdr->ctl_iot = cfe->iospace[0].handle.iot; |
255 | if (bus_space_subregion(cfe->iospace[0].handle.iot, |
256 | cfe->iospace[0].handle.ioh, |
257 | WDC_PCMCIA_AUXREG_OFFSET, WDC_PCMCIA_AUXREG_NPORTS, |
258 | &wdr->ctl_ioh)) |
259 | goto fail; |
260 | } else { |
261 | wdr->ctl_iot = cfe->iospace[1].handle.iot; |
262 | wdr->ctl_ioh = cfe->iospace[1].handle.ioh; |
263 | } |
264 | } |
265 | |
266 | for (i = 0; i < WDC_PCMCIA_REG_NPORTS; i++) { |
267 | if (bus_space_subregion(wdr->cmd_iot, |
268 | wdr->cmd_baseioh, |
269 | offset + i, i == 0 ? 4 : 1, |
270 | &wdr->cmd_iohs[i]) != 0) { |
271 | aprint_error_dev(self, "can't subregion I/O space\n" ); |
272 | goto fail; |
273 | } |
274 | } |
275 | |
276 | if (cfe->iftype == PCMCIA_IFTYPE_MEMORY) { |
277 | aprint_normal_dev(self, "memory mapped mode\n" ); |
278 | wdr->data32iot = cfe->memspace[0].handle.memt; |
279 | if (bus_space_subregion(cfe->memspace[0].handle.memt, |
280 | cfe->memspace[0].handle.memh, offset + 1024, 1024, |
281 | &wdr->data32ioh)) |
282 | goto fail; |
283 | sc->sc_wdcdev.datain_pio = wdc_pcmcia_datain_memory; |
284 | sc->sc_wdcdev.dataout_pio = wdc_pcmcia_dataout_memory; |
285 | sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_NOIRQ; |
286 | } else { |
287 | aprint_normal_dev(self, "i/o mapped mode\n" ); |
288 | wdr->data32iot = wdr->cmd_iot; |
289 | wdr->data32ioh = wdr->cmd_iohs[wd_data]; |
290 | sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA32; |
291 | } |
292 | |
293 | sc->sc_wdcdev.sc_atac.atac_pio_cap = 0; |
294 | sc->wdc_chanlist[0] = &sc->ata_channel; |
295 | sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanlist; |
296 | sc->sc_wdcdev.sc_atac.atac_nchannels = 1; |
297 | sc->ata_channel.ch_channel = 0; |
298 | sc->ata_channel.ch_atac = &sc->sc_wdcdev.sc_atac; |
299 | sc->ata_channel.ch_queue = &sc->wdc_chqueue; |
300 | wdcp = pcmcia_product_lookup(pa, wdc_pcmcia_products, |
301 | wdc_pcmcia_nproducts, sizeof(wdc_pcmcia_products[0]), NULL); |
302 | sc->sc_wdcdev.wdc_maxdrives = wdcp ? wdcp->wdc_ndrive : 2; |
303 | wdc_init_shadow_regs(&sc->ata_channel); |
304 | |
305 | error = wdc_pcmcia_enable(self, 1); |
306 | if (error) |
307 | goto fail; |
308 | |
309 | /* We can enable and disable the controller. */ |
310 | sc->sc_wdcdev.sc_atac.atac_atapi_adapter._generic.adapt_enable = |
311 | wdc_pcmcia_enable; |
312 | sc->sc_wdcdev.sc_atac.atac_atapi_adapter._generic.adapt_refcnt = 1; |
313 | |
314 | /* |
315 | * Some devices needs some more delay after power up to stabilize |
316 | * and probe properly, so give them half a second. |
317 | * See PR 25659 for details. |
318 | */ |
319 | config_pending_incr(self); |
320 | tsleep(wdc_pcmcia_attach, PWAIT, "wdcattach" , hz / 2); |
321 | |
322 | wdcattach(&sc->ata_channel); |
323 | |
324 | if (!pmf_device_register(self, NULL, NULL)) |
325 | aprint_error_dev(self, "unable to establish power handler\n" ); |
326 | |
327 | config_pending_decr(self); |
328 | ata_delref(&sc->ata_channel); |
329 | sc->sc_state = WDC_PCMCIA_ATTACHED; |
330 | return; |
331 | |
332 | fail: |
333 | pcmcia_function_unconfigure(pa->pf); |
334 | } |
335 | |
336 | static int |
337 | wdc_pcmcia_detach(device_t self, int flags) |
338 | { |
339 | struct wdc_pcmcia_softc *sc = device_private(self); |
340 | int error; |
341 | |
342 | if (sc->sc_state != WDC_PCMCIA_ATTACHED) |
343 | return (0); |
344 | |
345 | pmf_device_deregister(self); |
346 | |
347 | if ((error = wdcdetach(self, flags)) != 0) |
348 | return (error); |
349 | |
350 | pcmcia_function_unconfigure(sc->sc_pf); |
351 | |
352 | return (0); |
353 | } |
354 | |
355 | static int |
356 | wdc_pcmcia_enable(device_t self, int onoff) |
357 | { |
358 | struct wdc_pcmcia_softc *sc = device_private(self); |
359 | int error; |
360 | |
361 | #if 1 |
362 | /* |
363 | * XXX temporary kludge: we need to allow enabling while (cold) |
364 | * for some hpc* ports which attach pcmcia devices too early. |
365 | * This is problematic because pcmcia code uses tsleep() in |
366 | * the attach code path, but it seems to work somehow. |
367 | */ |
368 | if (doing_shutdown) |
369 | return (EIO); |
370 | #else |
371 | if (cold || doing_shutdown) |
372 | return (EIO); |
373 | #endif |
374 | |
375 | if (onoff) { |
376 | /* Establish the interrupt handler. */ |
377 | sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO, |
378 | wdcintr, &sc->ata_channel); |
379 | if (!sc->sc_ih) |
380 | return (EIO); |
381 | |
382 | error = pcmcia_function_enable(sc->sc_pf); |
383 | if (error) { |
384 | pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); |
385 | sc->sc_ih = 0; |
386 | return (error); |
387 | } |
388 | } else { |
389 | pcmcia_function_disable(sc->sc_pf); |
390 | pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); |
391 | sc->sc_ih = 0; |
392 | } |
393 | |
394 | return (0); |
395 | } |
396 | |
397 | static void |
398 | wdc_pcmcia_datain_memory(struct ata_channel *chp, int flags, void *buf, |
399 | size_t len) |
400 | { |
401 | struct wdc_regs *wdr = CHAN_TO_WDC_REGS(chp); |
402 | |
403 | while (len > 0) { |
404 | size_t n; |
405 | |
406 | n = min(len, 1024); |
407 | if ((flags & ATA_DRIVE_CAP32) && (n & 3) == 0) |
408 | bus_space_read_region_stream_4(wdr->data32iot, |
409 | wdr->data32ioh, 0, buf, n >> 2); |
410 | else |
411 | bus_space_read_region_stream_2(wdr->data32iot, |
412 | wdr->data32ioh, 0, buf, n >> 1); |
413 | buf = (char *)buf + n; |
414 | len -= n; |
415 | } |
416 | } |
417 | |
418 | static void |
419 | wdc_pcmcia_dataout_memory(struct ata_channel *chp, int flags, void *buf, |
420 | size_t len) |
421 | { |
422 | struct wdc_regs *wdr = CHAN_TO_WDC_REGS(chp); |
423 | |
424 | while (len > 0) { |
425 | size_t n; |
426 | |
427 | n = min(len, 1024); |
428 | if ((flags & ATA_DRIVE_CAP32) && (n & 3) == 0) |
429 | bus_space_write_region_stream_4(wdr->data32iot, |
430 | wdr->data32ioh, 0, buf, n >> 2); |
431 | else |
432 | bus_space_write_region_stream_2(wdr->data32iot, |
433 | wdr->data32ioh, 0, buf, n >> 1); |
434 | buf = (char *)buf + n; |
435 | len -= n; |
436 | } |
437 | } |
438 | |