wdc_pcmcia.c revision 1.100 1 /* $NetBSD: wdc_pcmcia.c,v 1.100 2005/06/19 18:19:19 bouyer 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 1.100 2005/06/19 18:19:19 bouyer 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 /*
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 },
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} },
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} },
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} },
141
142 /* IO DATA CBIDE2, with neither vendor ID nor product ID */
143 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
144 PCMCIA_CIS_IODATA_CBIDE2 },
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 },
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} },
157 };
158 static const size_t wdc_pcmcia_nproducts =
159 sizeof(wdc_pcmcia_products) / sizeof(wdc_pcmcia_products[0]);
160
161 static int wdc_pcmcia_enable(struct device *, int);
162 static void wdc_pcmcia_datain_memory(struct ata_channel *, int, void *,
163 size_t);
164 static void wdc_pcmcia_dataout_memory(struct ata_channel *, int, void *,
165 size_t);
166
167 static int
168 wdc_pcmcia_match(struct device *parent, struct cfdata *match, void *aux)
169 {
170 struct pcmcia_attach_args *pa = aux;
171
172 if (pa->pf->function == PCMCIA_FUNCTION_DISK &&
173 pa->pf->pf_funce_disk_interface == PCMCIA_TPLFE_DDI_PCCARD_ATA)
174 return (1);
175 if (pcmcia_product_lookup(pa, wdc_pcmcia_products, wdc_pcmcia_nproducts,
176 sizeof(wdc_pcmcia_products[0]), NULL))
177 return (2);
178 return (0);
179 }
180
181 static int
182 wdc_pcmcia_validate_config_io(struct pcmcia_config_entry *cfe)
183 {
184 if (cfe->iftype != PCMCIA_IFTYPE_IO ||
185 cfe->num_iospace < 1 || cfe->num_iospace > 2)
186 return (EINVAL);
187 cfe->num_memspace = 0;
188 return (0);
189 }
190
191 static int
192 wdc_pcmcia_validate_config_memory(struct pcmcia_config_entry *cfe)
193 {
194 if (cfe->iftype != PCMCIA_IFTYPE_MEMORY ||
195 cfe->num_memspace > 1 ||
196 cfe->memspace[0].length < 2048)
197 return (EINVAL);
198 cfe->num_iospace = 0;
199 return (0);
200 }
201
202 static void
203 wdc_pcmcia_attach(struct device *parent, struct device *self, void *aux)
204 {
205 struct wdc_pcmcia_softc *sc = (void *)self;
206 struct pcmcia_attach_args *pa = aux;
207 struct pcmcia_config_entry *cfe;
208 struct wdc_regs *wdr;
209 bus_size_t offset;
210 int i;
211 int error;
212
213 sc->sc_pf = pa->pf;
214
215 error = pcmcia_function_configure(pa->pf,
216 wdc_pcmcia_validate_config_io);
217 if (error)
218 /*XXXmem16|common*/
219 error = pcmcia_function_configure(pa->pf,
220 wdc_pcmcia_validate_config_memory);
221 if (error) {
222 aprint_error("%s: configure failed, error=%d\n", self->dv_xname,
223 error);
224 return;
225 }
226
227 cfe = pa->pf->cfe;
228 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA16;
229
230 sc->sc_wdcdev.regs = wdr = &sc->wdc_regs;
231
232 if (cfe->iftype == PCMCIA_IFTYPE_MEMORY) {
233 wdr->cmd_iot = cfe->memspace[0].handle.memt;
234 wdr->cmd_baseioh = cfe->memspace[0].handle.memh;
235 offset = cfe->memspace[0].offset;
236 wdr->ctl_iot = cfe->memspace[0].handle.memt;
237 if (bus_space_subregion(cfe->memspace[0].handle.memt,
238 cfe->memspace[0].handle.memh,
239 offset + WDC_PCMCIA_AUXREG_OFFSET, WDC_PCMCIA_AUXREG_NPORTS,
240 &wdr->ctl_ioh))
241 goto fail;
242 } else {
243 wdr->cmd_iot = cfe->iospace[0].handle.iot;
244 wdr->cmd_baseioh = cfe->iospace[0].handle.ioh;
245 offset = 0;
246 if (cfe->num_iospace == 1) {
247 wdr->ctl_iot = cfe->iospace[0].handle.iot;
248 if (bus_space_subregion(cfe->iospace[0].handle.iot,
249 cfe->iospace[0].handle.ioh,
250 WDC_PCMCIA_AUXREG_OFFSET, WDC_PCMCIA_AUXREG_NPORTS,
251 &wdr->ctl_ioh))
252 goto fail;
253 } else {
254 wdr->ctl_iot = cfe->iospace[1].handle.iot;
255 wdr->ctl_ioh = cfe->iospace[1].handle.ioh;
256 }
257 }
258
259 for (i = 0; i < WDC_PCMCIA_REG_NPORTS; i++) {
260 if (bus_space_subregion(wdr->cmd_iot,
261 wdr->cmd_baseioh,
262 offset + i, i == 0 ? 4 : 1,
263 &wdr->cmd_iohs[i]) != 0) {
264 aprint_error("%s: can't subregion I/O space\n",
265 self->dv_xname);
266 goto fail;
267 }
268 }
269
270 if (cfe->iftype == PCMCIA_IFTYPE_MEMORY) {
271 aprint_normal("%s: memory mapped mode\n", self->dv_xname);
272 wdr->data32iot = cfe->memspace[0].handle.memt;
273 if (bus_space_subregion(cfe->memspace[0].handle.memt,
274 cfe->memspace[0].handle.memh, offset + 1024, 1024,
275 &wdr->data32ioh))
276 goto fail;
277 sc->sc_wdcdev.datain_pio = wdc_pcmcia_datain_memory;
278 sc->sc_wdcdev.dataout_pio = wdc_pcmcia_dataout_memory;
279 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_NOIRQ;
280 } else {
281 aprint_normal("%s: i/o mapped mode\n", self->dv_xname);
282 wdr->data32iot = wdr->cmd_iot;
283 wdr->data32ioh = wdr->cmd_iohs[wd_data];
284 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA32;
285 }
286
287 sc->sc_wdcdev.sc_atac.atac_pio_cap = 0;
288 sc->wdc_chanlist[0] = &sc->ata_channel;
289 sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanlist;
290 sc->sc_wdcdev.sc_atac.atac_nchannels = 1;
291 sc->ata_channel.ch_channel = 0;
292 sc->ata_channel.ch_atac = &sc->sc_wdcdev.sc_atac;
293 sc->ata_channel.ch_queue = &sc->wdc_chqueue;
294 wdc_init_shadow_regs(&sc->ata_channel);
295
296 error = wdc_pcmcia_enable(self, 1);
297 if (error)
298 goto fail;
299
300 /* We can enable and disable the controller. */
301 sc->sc_wdcdev.sc_atac.atac_atapi_adapter._generic.adapt_enable =
302 wdc_pcmcia_enable;
303 sc->sc_wdcdev.sc_atac.atac_atapi_adapter._generic.adapt_refcnt = 1;
304
305 /*
306 * Some devices needs some more delay after power up to stabilize
307 * and probe properly, so give them half a second.
308 * See PR 25659 for details.
309 */
310 tsleep(wdc_pcmcia_attach, PWAIT, "wdcattach", hz / 2);
311
312 wdcattach(&sc->ata_channel);
313 ata_delref(&sc->ata_channel);
314 sc->sc_state = WDC_PCMCIA_ATTACHED;
315 return;
316
317 fail:
318 pcmcia_function_unconfigure(pa->pf);
319 }
320
321 static int
322 wdc_pcmcia_detach(struct device *self, int flags)
323 {
324 struct wdc_pcmcia_softc *sc = (struct wdc_pcmcia_softc *)self;
325 int error;
326
327 if (sc->sc_state != WDC_PCMCIA_ATTACHED)
328 return (0);
329
330 if ((error = wdcdetach(self, flags)) != 0)
331 return (error);
332
333 pcmcia_function_unconfigure(sc->sc_pf);
334
335 return (0);
336 }
337
338 static int
339 wdc_pcmcia_enable(struct device *self, int onoff)
340 {
341 struct wdc_pcmcia_softc *sc = (void *)self;
342 int error;
343
344 if (onoff) {
345 /* Establish the interrupt handler. */
346 sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO,
347 wdcintr, &sc->ata_channel);
348 if (!sc->sc_ih)
349 return (EIO);
350
351 error = pcmcia_function_enable(sc->sc_pf);
352 if (error) {
353 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
354 sc->sc_ih = 0;
355 return (error);
356 }
357 } else {
358 pcmcia_function_disable(sc->sc_pf);
359 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
360 sc->sc_ih = 0;
361 }
362
363 return (0);
364 }
365
366 static void
367 wdc_pcmcia_datain_memory(struct ata_channel *chp, int flags, void *buf,
368 size_t len)
369 {
370 struct wdc_regs *wdr = CHAN_TO_WDC_REGS(chp);
371
372 while (len > 0) {
373 size_t n;
374
375 n = min(len, 1024);
376 if ((flags & DRIVE_CAP32) && (n & 3) == 0)
377 bus_space_read_region_stream_4(wdr->data32iot,
378 wdr->data32ioh, 0, buf, n >> 2);
379 else
380 bus_space_read_region_stream_2(wdr->data32iot,
381 wdr->data32ioh, 0, buf, n >> 1);
382 buf = (char *)buf + n;
383 len -= n;
384 }
385 }
386
387 static void
388 wdc_pcmcia_dataout_memory(struct ata_channel *chp, int flags, void *buf,
389 size_t len)
390 {
391 struct wdc_regs *wdr = CHAN_TO_WDC_REGS(chp);
392
393 while (len > 0) {
394 size_t n;
395
396 n = min(len, 1024);
397 if ((flags & DRIVE_CAP32) && (n & 3) == 0)
398 bus_space_write_region_stream_4(wdr->data32iot,
399 wdr->data32ioh, 0, buf, n >> 2);
400 else
401 bus_space_write_region_stream_2(wdr->data32iot,
402 wdr->data32ioh, 0, buf, n >> 1);
403 buf = (char *)buf + n;
404 len -= n;
405 }
406 }
407