wdc_pcmcia.c revision 1.102 1 /* $NetBSD: wdc_pcmcia.c,v 1.102 2006/01/11 13:34:33 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 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 #include <sys/cdefs.h>
40 __KERNEL_RCSID(0, "$NetBSD: wdc_pcmcia.c,v 1.102 2006/01/11 13:34:33 christos Exp $");
41
42 #include <sys/param.h>
43 #include <sys/device.h>
44 #include <sys/kernel.h>
45 #include <sys/malloc.h>
46 #include <sys/systm.h>
47 #include <sys/proc.h>
48
49 #include <machine/bus.h>
50 #include <machine/intr.h>
51
52 #include <dev/pcmcia/pcmciareg.h>
53 #include <dev/pcmcia/pcmciavar.h>
54 #include <dev/pcmcia/pcmciadevs.h>
55
56 #include <dev/ic/wdcreg.h>
57 #include <dev/ata/atavar.h>
58 #include <dev/ic/wdcvar.h>
59
60 #ifndef __BUS_SPACE_HAS_STREAM_METHODS
61 #define bus_space_write_multi_stream_2 bus_space_write_multi_2
62 #define bus_space_write_multi_stream_4 bus_space_write_multi_4
63 #define bus_space_read_multi_stream_2 bus_space_read_multi_2
64 #define bus_space_read_multi_stream_4 bus_space_read_multi_4
65 #endif /* __BUS_SPACE_HAS_STREAM_METHODS */
66
67 #define WDC_PCMCIA_REG_NPORTS 8
68 #define WDC_PCMCIA_AUXREG_OFFSET (WDC_PCMCIA_REG_NPORTS + 6)
69 #define WDC_PCMCIA_AUXREG_NPORTS 2
70
71 struct wdc_pcmcia_softc {
72 struct wdc_softc sc_wdcdev;
73 struct ata_channel *wdc_chanlist[1];
74 struct ata_channel ata_channel;
75 struct ata_queue wdc_chqueue;
76 struct wdc_regs wdc_regs;
77
78 struct pcmcia_function *sc_pf;
79 void *sc_ih;
80
81 int sc_state;
82 #define WDC_PCMCIA_ATTACHED 3
83 };
84
85 #ifndef __BUS_SPACE_HAS_STREAM_METHODS
86 #define bus_space_read_region_stream_2 bus_space_read_region_2
87 #define bus_space_read_region_stream_4 bus_space_read_region_4
88 #define bus_space_write_region_stream_2 bus_space_write_region_2
89 #define bus_space_write_region_stream_4 bus_space_write_region_4
90 #endif /* __BUS_SPACE_HAS_STREAM_METHODS */
91
92 static int wdc_pcmcia_match(struct device *, struct cfdata *, void *);
93 static int wdc_pcmcia_validate_config_io(struct pcmcia_config_entry *);
94 static int wdc_pcmcia_validate_config_memory(struct pcmcia_config_entry *);
95 static void wdc_pcmcia_attach(struct device *, struct device *, void *);
96 static int wdc_pcmcia_detach(struct device *, int);
97
98 CFATTACH_DECL(wdc_pcmcia, sizeof(struct wdc_pcmcia_softc),
99 wdc_pcmcia_match, wdc_pcmcia_attach, wdc_pcmcia_detach, wdcactivate);
100
101 static const struct pcmcia_product wdc_pcmcia_products[] = {
102 { PCMCIA_VENDOR_DIGITAL,
103 PCMCIA_PRODUCT_DIGITAL_MOBILE_MEDIA_CDROM,
104 {NULL, "Digital Mobile Media CD-ROM", NULL, NULL} },
105
106 { PCMCIA_VENDOR_IBM,
107 PCMCIA_PRODUCT_IBM_PORTABLE_CDROM,
108 {NULL, "PCMCIA Portable CD-ROM Drive", NULL, NULL} },
109
110 /* The TEAC IDE/Card II is used on the Sony Vaio */
111 { PCMCIA_VENDOR_TEAC,
112 PCMCIA_PRODUCT_TEAC_IDECARDII,
113 PCMCIA_CIS_TEAC_IDECARDII },
114
115 /*
116 * A fujitsu rebranded panasonic drive that reports
117 * itself as function "scsi", disk interface 0
118 */
119 { PCMCIA_VENDOR_PANASONIC,
120 PCMCIA_PRODUCT_PANASONIC_KXLC005,
121 PCMCIA_CIS_PANASONIC_KXLC005 },
122
123 { PCMCIA_VENDOR_SANDISK,
124 PCMCIA_PRODUCT_SANDISK_SDCFB,
125 PCMCIA_CIS_SANDISK_SDCFB },
126
127 /*
128 * EXP IDE/ATAPI DVD Card use with some DVD players.
129 * Does not have a vendor ID or product ID.
130 */
131 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
132 PCMCIA_CIS_EXP_EXPMULTIMEDIA },
133
134 /* Mobile Dock 2, neither vendor ID nor product ID */
135 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
136 {"SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", NULL, NULL} },
137
138 /* Toshiba Portege 3110 CD, neither vendor ID nor product ID */
139 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
140 {"FREECOM", "PCCARD-IDE", NULL, NULL} },
141
142 /* Random CD-ROM, (badged AMACOM), neither vendor ID nor product ID */
143 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
144 {"PCMCIA", "CD-ROM", NULL, NULL} },
145
146 /* IO DATA CBIDE2, with neither vendor ID nor product ID */
147 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
148 PCMCIA_CIS_IODATA_CBIDE2 },
149
150 /* TOSHIBA PA2673U(IODATA_CBIDE2 OEM), */
151 /* with neither vendor ID nor product ID */
152 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
153 PCMCIA_CIS_TOSHIBA_CBIDE2 },
154
155 /*
156 * Novac PCMCIA-IDE Card for HD530P IDE Box,
157 * with neither vendor ID nor product ID
158 */
159 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
160 {"PCMCIA", "PnPIDE", NULL, NULL} },
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(struct device *, 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(struct device *parent, struct cfdata *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(struct device *parent, struct device *self, void *aux)
208 {
209 struct wdc_pcmcia_softc *sc = (void *)self;
210 struct pcmcia_attach_args *pa = aux;
211 struct pcmcia_config_entry *cfe;
212 struct wdc_regs *wdr;
213 bus_size_t offset;
214 int i;
215 int error;
216
217 sc->sc_pf = pa->pf;
218
219 error = pcmcia_function_configure(pa->pf,
220 wdc_pcmcia_validate_config_io);
221 if (error)
222 /*XXXmem16|common*/
223 error = pcmcia_function_configure(pa->pf,
224 wdc_pcmcia_validate_config_memory);
225 if (error) {
226 aprint_error("%s: configure failed, error=%d\n", self->dv_xname,
227 error);
228 return;
229 }
230
231 cfe = pa->pf->cfe;
232 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA16;
233
234 sc->sc_wdcdev.regs = wdr = &sc->wdc_regs;
235
236 if (cfe->iftype == PCMCIA_IFTYPE_MEMORY) {
237 wdr->cmd_iot = cfe->memspace[0].handle.memt;
238 wdr->cmd_baseioh = cfe->memspace[0].handle.memh;
239 offset = cfe->memspace[0].offset;
240 wdr->ctl_iot = cfe->memspace[0].handle.memt;
241 if (bus_space_subregion(cfe->memspace[0].handle.memt,
242 cfe->memspace[0].handle.memh,
243 offset + WDC_PCMCIA_AUXREG_OFFSET, WDC_PCMCIA_AUXREG_NPORTS,
244 &wdr->ctl_ioh))
245 goto fail;
246 } else {
247 wdr->cmd_iot = cfe->iospace[0].handle.iot;
248 wdr->cmd_baseioh = cfe->iospace[0].handle.ioh;
249 offset = 0;
250 if (cfe->num_iospace == 1) {
251 wdr->ctl_iot = cfe->iospace[0].handle.iot;
252 if (bus_space_subregion(cfe->iospace[0].handle.iot,
253 cfe->iospace[0].handle.ioh,
254 WDC_PCMCIA_AUXREG_OFFSET, WDC_PCMCIA_AUXREG_NPORTS,
255 &wdr->ctl_ioh))
256 goto fail;
257 } else {
258 wdr->ctl_iot = cfe->iospace[1].handle.iot;
259 wdr->ctl_ioh = cfe->iospace[1].handle.ioh;
260 }
261 }
262
263 for (i = 0; i < WDC_PCMCIA_REG_NPORTS; i++) {
264 if (bus_space_subregion(wdr->cmd_iot,
265 wdr->cmd_baseioh,
266 offset + i, i == 0 ? 4 : 1,
267 &wdr->cmd_iohs[i]) != 0) {
268 aprint_error("%s: can't subregion I/O space\n",
269 self->dv_xname);
270 goto fail;
271 }
272 }
273
274 if (cfe->iftype == PCMCIA_IFTYPE_MEMORY) {
275 aprint_normal("%s: memory mapped mode\n", self->dv_xname);
276 wdr->data32iot = cfe->memspace[0].handle.memt;
277 if (bus_space_subregion(cfe->memspace[0].handle.memt,
278 cfe->memspace[0].handle.memh, offset + 1024, 1024,
279 &wdr->data32ioh))
280 goto fail;
281 sc->sc_wdcdev.datain_pio = wdc_pcmcia_datain_memory;
282 sc->sc_wdcdev.dataout_pio = wdc_pcmcia_dataout_memory;
283 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_NOIRQ;
284 } else {
285 aprint_normal("%s: i/o mapped mode\n", self->dv_xname);
286 wdr->data32iot = wdr->cmd_iot;
287 wdr->data32ioh = wdr->cmd_iohs[wd_data];
288 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA32;
289 }
290
291 sc->sc_wdcdev.sc_atac.atac_pio_cap = 0;
292 sc->wdc_chanlist[0] = &sc->ata_channel;
293 sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanlist;
294 sc->sc_wdcdev.sc_atac.atac_nchannels = 1;
295 sc->ata_channel.ch_channel = 0;
296 sc->ata_channel.ch_atac = &sc->sc_wdcdev.sc_atac;
297 sc->ata_channel.ch_queue = &sc->wdc_chqueue;
298 wdc_init_shadow_regs(&sc->ata_channel);
299
300 error = wdc_pcmcia_enable(self, 1);
301 if (error)
302 goto fail;
303
304 /* We can enable and disable the controller. */
305 sc->sc_wdcdev.sc_atac.atac_atapi_adapter._generic.adapt_enable =
306 wdc_pcmcia_enable;
307 sc->sc_wdcdev.sc_atac.atac_atapi_adapter._generic.adapt_refcnt = 1;
308
309 /*
310 * Some devices needs some more delay after power up to stabilize
311 * and probe properly, so give them half a second.
312 * See PR 25659 for details.
313 */
314 tsleep(wdc_pcmcia_attach, PWAIT, "wdcattach", hz / 2);
315
316 wdcattach(&sc->ata_channel);
317 ata_delref(&sc->ata_channel);
318 sc->sc_state = WDC_PCMCIA_ATTACHED;
319 return;
320
321 fail:
322 pcmcia_function_unconfigure(pa->pf);
323 }
324
325 static int
326 wdc_pcmcia_detach(struct device *self, int flags)
327 {
328 struct wdc_pcmcia_softc *sc = (struct wdc_pcmcia_softc *)self;
329 int error;
330
331 if (sc->sc_state != WDC_PCMCIA_ATTACHED)
332 return (0);
333
334 if ((error = wdcdetach(self, flags)) != 0)
335 return (error);
336
337 pcmcia_function_unconfigure(sc->sc_pf);
338
339 return (0);
340 }
341
342 static int
343 wdc_pcmcia_enable(struct device *self, int onoff)
344 {
345 struct wdc_pcmcia_softc *sc = (void *)self;
346 int error;
347
348 if (onoff) {
349 /* Establish the interrupt handler. */
350 sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO,
351 wdcintr, &sc->ata_channel);
352 if (!sc->sc_ih)
353 return (EIO);
354
355 error = pcmcia_function_enable(sc->sc_pf);
356 if (error) {
357 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
358 sc->sc_ih = 0;
359 return (error);
360 }
361 } else {
362 pcmcia_function_disable(sc->sc_pf);
363 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
364 sc->sc_ih = 0;
365 }
366
367 return (0);
368 }
369
370 static void
371 wdc_pcmcia_datain_memory(struct ata_channel *chp, int flags, void *buf,
372 size_t len)
373 {
374 struct wdc_regs *wdr = CHAN_TO_WDC_REGS(chp);
375
376 while (len > 0) {
377 size_t n;
378
379 n = min(len, 1024);
380 if ((flags & DRIVE_CAP32) && (n & 3) == 0)
381 bus_space_read_region_stream_4(wdr->data32iot,
382 wdr->data32ioh, 0, buf, n >> 2);
383 else
384 bus_space_read_region_stream_2(wdr->data32iot,
385 wdr->data32ioh, 0, buf, n >> 1);
386 buf = (char *)buf + n;
387 len -= n;
388 }
389 }
390
391 static void
392 wdc_pcmcia_dataout_memory(struct ata_channel *chp, int flags, void *buf,
393 size_t len)
394 {
395 struct wdc_regs *wdr = CHAN_TO_WDC_REGS(chp);
396
397 while (len > 0) {
398 size_t n;
399
400 n = min(len, 1024);
401 if ((flags & DRIVE_CAP32) && (n & 3) == 0)
402 bus_space_write_region_stream_4(wdr->data32iot,
403 wdr->data32ioh, 0, buf, n >> 2);
404 else
405 bus_space_write_region_stream_2(wdr->data32iot,
406 wdr->data32ioh, 0, buf, n >> 1);
407 buf = (char *)buf + n;
408 len -= n;
409 }
410 }
411