wdc_pcmcia.c revision 1.94 1 /* $NetBSD: wdc_pcmcia.c,v 1.94 2004/08/19 23:36:26 thorpej 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 1.94 2004/08/19 23:36:26 thorpej Exp $");
41
42 #include <sys/param.h>
43 #include <sys/device.h>
44 #include <sys/malloc.h>
45 #include <sys/systm.h>
46
47 #include <machine/bus.h>
48 #include <machine/intr.h>
49
50 #include <dev/pcmcia/pcmciareg.h>
51 #include <dev/pcmcia/pcmciavar.h>
52 #include <dev/pcmcia/pcmciadevs.h>
53
54 #include <dev/ic/wdcreg.h>
55 #include <dev/ata/atavar.h>
56 #include <dev/ic/wdcvar.h>
57
58 #define WDC_PCMCIA_REG_NPORTS 8
59 #define WDC_PCMCIA_AUXREG_OFFSET (WDC_PCMCIA_REG_NPORTS + 6)
60 #define WDC_PCMCIA_AUXREG_NPORTS 2
61
62 struct wdc_pcmcia_softc {
63 struct wdc_softc sc_wdcdev;
64 struct ata_channel *wdc_chanlist[1];
65 struct ata_channel ata_channel;
66 struct ata_queue wdc_chqueue;
67 struct wdc_regs wdc_regs;
68
69 struct pcmcia_function *sc_pf;
70 void *sc_ih;
71
72 int sc_state;
73 #define WDC_PCMCIA_ATTACHED 3
74 };
75
76 static int wdc_pcmcia_match(struct device *, struct cfdata *, void *);
77 static int wdc_pcmcia_validate_config_io(struct pcmcia_config_entry *);
78 static int wdc_pcmcia_validate_config_memory(struct pcmcia_config_entry *);
79 static void wdc_pcmcia_attach(struct device *, struct device *, void *);
80 static int wdc_pcmcia_detach(struct device *, int);
81
82 CFATTACH_DECL(wdc_pcmcia, sizeof(struct wdc_pcmcia_softc),
83 wdc_pcmcia_match, wdc_pcmcia_attach, wdc_pcmcia_detach, wdcactivate);
84
85 static const struct pcmcia_product wdc_pcmcia_products[] = {
86 { PCMCIA_VENDOR_DIGITAL,
87 PCMCIA_PRODUCT_DIGITAL_MOBILE_MEDIA_CDROM,
88 {NULL, "Digital Mobile Media CD-ROM", NULL, NULL} },
89
90 { PCMCIA_VENDOR_IBM,
91 PCMCIA_PRODUCT_IBM_PORTABLE_CDROM,
92 {NULL, "PCMCIA Portable CD-ROM Drive", NULL, NULL} },
93
94 /* The TEAC IDE/Card II is used on the Sony Vaio */
95 { PCMCIA_VENDOR_TEAC,
96 PCMCIA_PRODUCT_TEAC_IDECARDII,
97 PCMCIA_CIS_TEAC_IDECARDII },
98
99 /*
100 * A fujitsu rebranded panasonic drive that reports
101 * itself as function "scsi", disk interface 0
102 */
103 { PCMCIA_VENDOR_PANASONIC,
104 PCMCIA_PRODUCT_PANASONIC_KXLC005,
105 PCMCIA_CIS_PANASONIC_KXLC005 },
106
107 /*
108 * EXP IDE/ATAPI DVD Card use with some DVD players.
109 * Does not have a vendor ID or product ID.
110 */
111 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
112 PCMCIA_CIS_EXP_EXPMULTIMEDIA },
113
114 /* Mobile Dock 2, neither vendor ID nor product ID */
115 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
116 {"SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", NULL, NULL} },
117
118 /* Toshiba Portege 3110 CD, neither vendor ID nor product ID */
119 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
120 {"FREECOM", "PCCARD-IDE", NULL, NULL} },
121
122 /* Random CD-ROM, (badged AMACOM), neither vendor ID nor product ID */
123 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
124 {"PCMCIA", "CD-ROM", NULL, NULL} },
125
126 /* IO DATA CBIDE2, with neither vendor ID nor product ID */
127 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
128 PCMCIA_CIS_IODATA_CBIDE2 },
129
130 /* TOSHIBA PA2673U(IODATA_CBIDE2 OEM), */
131 /* with neither vendor ID nor product ID */
132 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
133 PCMCIA_CIS_TOSHIBA_CBIDE2 },
134
135 /*
136 * Novac PCMCIA-IDE Card for HD530P IDE Box,
137 * with neither vendor ID nor product ID
138 */
139 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
140 {"PCMCIA", "PnPIDE", NULL, NULL} },
141 };
142 static const size_t wdc_pcmcia_nproducts =
143 sizeof(wdc_pcmcia_products) / sizeof(wdc_pcmcia_products[0]);
144
145 static int wdc_pcmcia_enable(struct device *, int);
146 static void wdc_pcmcia_datain_memory(struct ata_channel *, int, void *,
147 size_t);
148 static void wdc_pcmcia_dataout_memory(struct ata_channel *, int, void *,
149 size_t);
150
151 static int
152 wdc_pcmcia_match(struct device *parent, struct cfdata *match, void *aux)
153 {
154 struct pcmcia_attach_args *pa = aux;
155
156 if (pa->pf->function == PCMCIA_FUNCTION_DISK &&
157 pa->pf->pf_funce_disk_interface == PCMCIA_TPLFE_DDI_PCCARD_ATA)
158 return (1);
159 if (pcmcia_product_lookup(pa, wdc_pcmcia_products, wdc_pcmcia_nproducts,
160 sizeof(wdc_pcmcia_products[0]), NULL))
161 return (2);
162 return (0);
163 }
164
165 static int
166 wdc_pcmcia_validate_config_io(struct pcmcia_config_entry *cfe)
167 {
168 if (cfe->iftype != PCMCIA_IFTYPE_IO ||
169 cfe->num_iospace < 1 || cfe->num_iospace > 2)
170 return (EINVAL);
171 cfe->num_memspace = 0;
172 return (0);
173 }
174
175 static int
176 wdc_pcmcia_validate_config_memory(struct pcmcia_config_entry *cfe)
177 {
178 if (cfe->iftype != PCMCIA_IFTYPE_MEMORY ||
179 cfe->num_memspace > 1 ||
180 cfe->memspace[0].length < 2048)
181 return (EINVAL);
182 cfe->num_iospace = 0;
183 return (0);
184 }
185
186 static void
187 wdc_pcmcia_attach(struct device *parent, struct device *self, void *aux)
188 {
189 struct wdc_pcmcia_softc *sc = (void *)self;
190 struct pcmcia_attach_args *pa = aux;
191 struct pcmcia_config_entry *cfe;
192 struct wdc_regs *wdr;
193 bus_size_t offset;
194 int i;
195 int error;
196
197 sc->sc_pf = pa->pf;
198
199 error = pcmcia_function_configure(pa->pf,
200 wdc_pcmcia_validate_config_io);
201 if (error)
202 /*XXXmem16|common*/
203 error = pcmcia_function_configure(pa->pf,
204 wdc_pcmcia_validate_config_memory);
205 if (error) {
206 aprint_error("%s: configure failed, error=%d\n", self->dv_xname,
207 error);
208 return;
209 }
210
211 cfe = pa->pf->cfe;
212 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16;
213
214 sc->sc_wdcdev.regs = wdr = &sc->wdc_regs;
215
216 if (cfe->iftype == PCMCIA_IFTYPE_MEMORY) {
217 wdr->cmd_iot = cfe->memspace[0].handle.memt;
218 wdr->cmd_baseioh = cfe->memspace[0].handle.memh;
219 offset = cfe->memspace[0].offset;
220 wdr->ctl_iot = cfe->memspace[0].handle.memt;
221 if (bus_space_subregion(cfe->memspace[0].handle.memt,
222 cfe->memspace[0].handle.memh,
223 offset + WDC_PCMCIA_AUXREG_OFFSET, WDC_PCMCIA_AUXREG_NPORTS,
224 &wdr->ctl_ioh))
225 goto fail;
226 } else {
227 wdr->cmd_iot = cfe->iospace[0].handle.iot;
228 wdr->cmd_baseioh = cfe->iospace[0].handle.ioh;
229 offset = 0;
230 if (cfe->num_iospace == 1) {
231 wdr->ctl_iot = cfe->iospace[0].handle.iot;
232 if (bus_space_subregion(cfe->iospace[0].handle.iot,
233 cfe->iospace[0].handle.ioh,
234 WDC_PCMCIA_AUXREG_OFFSET, WDC_PCMCIA_AUXREG_NPORTS,
235 &wdr->ctl_ioh))
236 goto fail;
237 } else {
238 wdr->ctl_iot = cfe->iospace[1].handle.iot;
239 wdr->ctl_ioh = cfe->iospace[1].handle.ioh;
240 }
241 }
242
243 for (i = 0; i < WDC_PCMCIA_REG_NPORTS; i++) {
244 if (bus_space_subregion(wdr->cmd_iot,
245 wdr->cmd_baseioh,
246 offset + i, i == 0 ? 4 : 1,
247 &wdr->cmd_iohs[i]) != 0) {
248 aprint_error("%s: can't subregion I/O space\n",
249 self->dv_xname);
250 goto fail2;
251 }
252 }
253
254 if (cfe->iftype == PCMCIA_IFTYPE_MEMORY) {
255 aprint_normal("%s: memory mapped mode\n", self->dv_xname);
256 wdr->data32iot = cfe->memspace[0].handle.memt;
257 if (bus_space_subregion(cfe->memspace[0].handle.memt,
258 cfe->memspace[0].handle.memh, offset + 1024, 1024,
259 &wdr->data32ioh))
260 goto fail;
261 sc->sc_wdcdev.datain_pio = wdc_pcmcia_datain_memory;
262 sc->sc_wdcdev.dataout_pio = wdc_pcmcia_dataout_memory;
263 sc->sc_wdcdev.cap |= WDC_CAPABILITY_NOIRQ;
264 } else {
265 aprint_normal("%s: i/o mapped mode\n", self->dv_xname);
266 wdr->data32iot = wdr->cmd_iot;
267 wdr->data32ioh = wdr->cmd_iohs[wd_data];
268 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA32;
269 }
270
271 sc->sc_wdcdev.PIO_cap = 0;
272 sc->wdc_chanlist[0] = &sc->ata_channel;
273 sc->sc_wdcdev.channels = sc->wdc_chanlist;
274 sc->sc_wdcdev.nchannels = 1;
275 sc->ata_channel.ch_channel = 0;
276 sc->ata_channel.ch_wdc = &sc->sc_wdcdev;
277 sc->ata_channel.ch_queue = &sc->wdc_chqueue;
278 wdc_init_shadow_regs(&sc->ata_channel);
279
280 error = wdc_pcmcia_enable(self, 1);
281 if (error)
282 goto fail;
283
284 /* We can enable and disable the controller. */
285 sc->sc_wdcdev.sc_atapi_adapter._generic.adapt_enable =
286 wdc_pcmcia_enable;
287 sc->sc_wdcdev.sc_atapi_adapter._generic.adapt_refcnt = 1;
288
289 wdcattach(&sc->ata_channel);
290 ata_delref(&sc->ata_channel);
291 sc->sc_state = WDC_PCMCIA_ATTACHED;
292 return;
293
294 fail2:
295 wdc_pcmcia_enable(self, 0);
296 fail:
297 pcmcia_function_unconfigure(pa->pf);
298 }
299
300 static int
301 wdc_pcmcia_detach(struct device *self, int flags)
302 {
303 struct wdc_pcmcia_softc *sc = (struct wdc_pcmcia_softc *)self;
304 int error;
305
306 if (sc->sc_state != WDC_PCMCIA_ATTACHED)
307 return (0);
308
309 if ((error = wdcdetach(self, flags)) != 0)
310 return (error);
311
312 pcmcia_function_unconfigure(sc->sc_pf);
313
314 return (0);
315 }
316
317 static int
318 wdc_pcmcia_enable(struct device *self, int onoff)
319 {
320 struct wdc_pcmcia_softc *sc = (void *)self;
321 int error;
322
323 if (onoff) {
324 /* Establish the interrupt handler. */
325 sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO,
326 wdcintr, &sc->ata_channel);
327 if (!sc->sc_ih)
328 return (EIO);
329
330 error = pcmcia_function_enable(sc->sc_pf);
331 if (error) {
332 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
333 sc->sc_ih = 0;
334 return (error);
335 }
336 } else {
337 pcmcia_function_disable(sc->sc_pf);
338 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
339 sc->sc_ih = 0;
340 }
341
342 return (0);
343 }
344
345 static void
346 wdc_pcmcia_datain_memory(struct ata_channel *chp, int flags, void *buf,
347 size_t len)
348 {
349 struct wdc_regs *wdr = CHAN_TO_WDC_REGS(chp);
350
351 while (len > 0) {
352 size_t n;
353
354 n = min(len, 1024);
355 if ((flags & DRIVE_CAP32) && (n & 3) == 0)
356 bus_space_read_region_stream_4(wdr->data32iot,
357 wdr->data32ioh, 0, buf, n >> 2);
358 else
359 bus_space_read_region_stream_2(wdr->data32iot,
360 wdr->data32ioh, 0, buf, n >> 1);
361 buf = (char *)buf + n;
362 len -= n;
363 }
364 }
365
366 static void
367 wdc_pcmcia_dataout_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_write_region_stream_4(wdr->data32iot,
378 wdr->data32ioh, 0, buf, n >> 2);
379 else
380 bus_space_write_region_stream_2(wdr->data32iot,
381 wdr->data32ioh, 0, buf, n >> 1);
382 buf = (char *)buf + n;
383 len -= n;
384 }
385 }
386