remove __P() from this directory
[dragonfly.git] / sys / dev / disk / ct / ct_isa.c
CommitLineData
984263bc 1/* $FreeBSD: src/sys/dev/ct/ct_isa.c,v 1.3.2.3 2003/06/01 04:26:44 nyan Exp $ */
38e94a25 2/* $DragonFly: src/sys/dev/disk/ct/Attic/ct_isa.c,v 1.4 2003/08/27 10:35:16 rob Exp $ */
984263bc
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3/* $NecBSD: ct_isa.c,v 1.6 1999/07/26 06:32:01 honda Exp $ */
4/* $NetBSD$ */
5
6/*
7 * [NetBSD for NEC PC-98 series]
8 * Copyright (c) 1995, 1996, 1997, 1998
9 * NetBSD/pc98 porting staff. All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
25 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
26 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
27 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
30 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32 * POSSIBILITY OF SUCH DAMAGE.
33 */
34
35#define SCSIBUS_RESCAN
36
37#include <sys/param.h>
38#include <sys/systm.h>
39#include <sys/kernel.h>
40#include <sys/disklabel.h>
41#if defined(__FreeBSD__) && __FreeBSD_version > 500001
42#include <sys/bio.h>
43#endif /* __ FreeBSD__ */
44#include <sys/buf.h>
45#include <sys/queue.h>
46#include <sys/malloc.h>
47#include <sys/device_port.h>
48#include <sys/errno.h>
49
50#include <vm/vm.h>
51
52#ifdef __NetBSD__
53#include <machine/bus.h>
54#include <machine/intr.h>
55
56#include <dev/scsipi/scsi_all.h>
57#include <dev/scsipi/scsipi_all.h>
58#include <dev/scsipi/scsiconf.h>
59#include <dev/scsipi/scsi_disk.h>
60
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61#include <bus/isa/isareg.h>
62#include <bus/isa/isavar.h>
63#include <bus/isa/isadmavar.h>
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64
65#include <machine/dvcfg.h>
66#include <machine/physio_proc.h>
67#include <machine/syspmgr.h>
68
69#include <i386/Cbus/dev/scsi_low.h>
70
71#include <dev/ic/wd33c93reg.h>
72#include <i386/Cbus/dev/ct/ctvar.h>
73#include <i386/Cbus/dev/ct/bshwvar.h>
74#endif /* __NetBSD__ */
75
76#ifdef __FreeBSD__
77#include <machine/bus.h>
78#include <machine/resource.h>
79#include <sys/bus.h>
80#include <sys/rman.h>
81#include <machine/md_var.h>
82
83#include <pc98/pc98/pc98.h>
1f2de5d4 84#include <bus/isa/isavar.h>
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85
86#include <machine/dvcfg.h>
87#include <machine/physio_proc.h>
88
1f2de5d4 89#include <bus/cam/scsi/scsi_low.h>
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90
91#include <dev/ic/wd33c93reg.h>
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92#include "ctvar.h"
93#include "bshwvar.h"
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94#endif /* __FreeBSD__ */
95
96#define BSHW_IOSZ 0x08
97#define BSHW_IOBASE 0xcc0
98#define BSHW_MEMSZ (PAGE_SIZE * 2)
99
100static int ct_isa_match(device_t);
101static int ct_isa_attach(device_t);
102static int ct_space_map(device_t, struct bshw *,
103 struct resource **, struct resource **);
104static void ct_space_unmap(device_t, struct ct_softc *);
105static struct bshw *ct_find_hw(device_t);
106static void ct_dmamap(void *, bus_dma_segment_t *, int, int);
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107static void ct_isa_bus_access_weight (struct ct_bus_access_handle *);
108static void ct_isa_dmasync_before (struct ct_softc *);
109static void ct_isa_dmasync_after (struct ct_softc *);
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110
111struct ct_isa_softc {
112 struct ct_softc sc_ct;
113 struct bshw_softc sc_bshw;
114};
115
116static struct isa_pnp_id ct_pnp_ids[] = {
117 { 0x0100e7b1, "Logitec LHA-301" },
118 { 0x110154dc, "I-O DATA SC-98III" },
119 { 0x4120acb4, "MELCO IFC-NN" },
120 { 0, NULL }
121};
122
123static device_method_t ct_isa_methods[] = {
124 /* Device interface */
125 DEVMETHOD(device_probe, ct_isa_match),
126 DEVMETHOD(device_attach, ct_isa_attach),
127 { 0, 0 }
128};
129
130static driver_t ct_isa_driver = {
131 "ct", ct_isa_methods, sizeof(struct ct_isa_softc),
132};
133
134static devclass_t ct_devclass;
135
136DRIVER_MODULE(ct, isa, ct_isa_driver, ct_devclass, 0, 0);
137
138static int
139ct_isa_match(device_t dev)
140{
141 struct bshw *hw;
142 struct resource *port_res, *mem_res;
143 struct ct_bus_access_handle ch;
144 int rv;
145
146 if (ISA_PNP_PROBE(device_get_parent(dev), dev, ct_pnp_ids) == ENXIO)
147 return ENXIO;
148
149 switch (isa_get_logicalid(dev)) {
150 case 0x0100e7b1: /* LHA-301 */
151 case 0x110154dc: /* SC-98III */
152 case 0x4120acb4: /* IFC-NN */
153 /* XXX - force to SMIT mode */
154 device_set_flags(dev, device_get_flags(dev) | 0x40000);
155 break;
156 }
157
158 if (isa_get_port(dev) == -1)
159 bus_set_resource(dev, SYS_RES_IOPORT, 0,
160 BSHW_IOBASE, BSHW_IOSZ);
161
162 if ((hw = ct_find_hw(dev)) == NULL)
163 return ENXIO;
164 if (ct_space_map(dev, hw, &port_res, &mem_res) != 0)
165 return ENXIO;
166
167 bzero(&ch, sizeof(ch));
168 ch.ch_iot = rman_get_bustag(port_res);
169 ch.ch_ioh = rman_get_bushandle(port_res),
170 ch.ch_bus_weight = ct_isa_bus_access_weight;
171
172 rv = ctprobesubr(&ch, 0, BSHW_DEFAULT_HOSTID,
173 BSHW_DEFAULT_CHIPCLK, NULL);
174 if (rv != 0)
175 {
176 struct bshw_softc bshw_tab;
177 struct bshw_softc *bs = &bshw_tab;
178
179 memset(bs, 0, sizeof(*bs));
180 bshw_read_settings(&ch, bs);
181 bus_set_resource(dev, SYS_RES_IRQ, 0, bs->sc_irq, 1);
182 bus_set_resource(dev, SYS_RES_DRQ, 0, bs->sc_drq, 1);
183 }
184
185 bus_release_resource(dev, SYS_RES_IOPORT, 0, port_res);
186 if (mem_res != NULL)
187 bus_release_resource(dev, SYS_RES_MEMORY, 0, mem_res);
188
189 if (rv != 0)
190 return 0;
191 return ENXIO;
192}
193
194static int
195ct_isa_attach(device_t dev)
196{
197 struct ct_isa_softc *pct = device_get_softc(dev);
198 struct ct_softc *ct = &pct->sc_ct;
199 struct ct_bus_access_handle *chp = &ct->sc_ch;
200 struct scsi_low_softc *slp = &ct->sc_sclow;
201 struct bshw_softc *bs = &pct->sc_bshw;
202 struct bshw *hw;
203 int irq_rid, drq_rid, chiprev;
204 u_int8_t *vaddr;
205 bus_addr_t addr;
206 intrmask_t s;
207
208 hw = ct_find_hw(dev);
209 if (ct_space_map(dev, hw, &ct->port_res, &ct->mem_res) != 0) {
210 device_printf(dev, "bus io mem map failed\n");
211 return ENXIO;
212 }
213
214 bzero(chp, sizeof(*chp));
215 chp->ch_iot = rman_get_bustag(ct->port_res);
216 chp->ch_ioh = rman_get_bushandle(ct->port_res);
217 if (ct->mem_res) {
218 chp->ch_memt = rman_get_bustag(ct->mem_res);
219 chp->ch_memh = rman_get_bushandle(ct->mem_res);
220 }
221 chp->ch_bus_weight = ct_isa_bus_access_weight;
222
223 irq_rid = 0;
224 ct->irq_res = bus_alloc_resource(dev, SYS_RES_IRQ, &irq_rid, 0, ~0,
225 1, RF_ACTIVE);
226 drq_rid = 0;
227 ct->drq_res = bus_alloc_resource(dev, SYS_RES_DRQ, &drq_rid, 0, ~0,
228 1, RF_ACTIVE);
229 if (ct->irq_res == NULL || ct->drq_res == NULL) {
230 ct_space_unmap(dev, ct);
231 return ENXIO;
232 }
233
234 if (ctprobesubr(chp, 0, BSHW_DEFAULT_HOSTID,
235 BSHW_DEFAULT_CHIPCLK, &chiprev) == 0)
236 {
237 device_printf(dev, "hardware missing\n");
238 ct_space_unmap(dev, ct);
239 return ENXIO;
240 }
241
242 /* setup DMA map */
243 if (bus_dma_tag_create(NULL, 1, 0,
244 BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR,
245 NULL, NULL, MAXBSIZE, 1,
246 BUS_SPACE_MAXSIZE_32BIT,
247 BUS_DMA_ALLOCNOW, &ct->sc_dmat) != 0) {
248 device_printf(dev, "can't set up ISA DMA map\n");
249 ct_space_unmap(dev, ct);
250 return ENXIO;
251 }
252
253 if (bus_dmamem_alloc(ct->sc_dmat, (void **)&vaddr, BUS_DMA_NOWAIT,
254 &ct->sc_dmamapt) != 0) {
255 device_printf(dev, "can't set up ISA DMA map\n");
256 ct_space_unmap(dev, ct);
257 return ENXIO;
258 }
259
260 bus_dmamap_load(ct->sc_dmat, ct->sc_dmamapt, vaddr, MAXBSIZE,
261 ct_dmamap, &addr, 0);
262
263 /* setup machdep softc */
264 bs->sc_hw = hw;
265 bs->sc_io_control = 0;
266 bs->sc_bounce_phys = (u_int8_t *)addr;
267 bs->sc_bounce_addr = vaddr;
268 bs->sc_bounce_size = MAXBSIZE;
269 bs->sc_minphys = (1 << 24);
270 bs->sc_dmasync_before = ct_isa_dmasync_before;
271 bs->sc_dmasync_after = ct_isa_dmasync_after;
272 bshw_read_settings(chp, bs);
273
274 /* setup ct driver softc */
275 ct->ct_hw = bs;
276 ct->ct_dma_xfer_start = bshw_dma_xfer_start;
277 ct->ct_pio_xfer_start = bshw_smit_xfer_start;
278 ct->ct_dma_xfer_stop = bshw_dma_xfer_stop;
279 ct->ct_pio_xfer_stop = bshw_smit_xfer_stop;
280 ct->ct_bus_reset = bshw_bus_reset;
281 ct->ct_synch_setup = bshw_synch_setup;
282
283 ct->sc_xmode = CT_XMODE_DMA;
284 if (chp->ch_memh != NULL)
285 ct->sc_xmode |= CT_XMODE_PIO;
286
287 ct->sc_chiprev = chiprev;
288 switch (chiprev)
289 {
290 case CT_WD33C93:
291 /* s = "WD33C93"; */
292 ct->sc_chipclk = 8;
293 break;
294 case CT_WD33C93_A:
295 if (DVCFG_MAJOR(device_get_flags(dev)) > 0)
296 {
297 /* s = "AM33C93_A"; */
298 ct->sc_chipclk = 20;
299 ct->sc_chiprev = CT_AM33C93_A;
300 }
301 else
302 {
303 /* s = "WD33C93_A"; */
304 ct->sc_chipclk = 10;
305 }
306 break;
307
308 case CT_AM33C93_A:
309 /* s = "AM33C93_A"; */
310 ct->sc_chipclk = 20;
311 break;
312
313 default:
314 case CT_WD33C93_B:
315 /* s = "WD33C93_B"; */
316 ct->sc_chipclk = 20;
317 break;
318 }
319#if 0
320 printf("%s: chiprev %s chipclk %d Mhz\n",
321 slp->sl_dev.dv_xname, s, ct->sc_chipclk);
322#endif
323
324 slp->sl_dev = dev;
325 slp->sl_hostid = bs->sc_hostid;
326 slp->sl_irq = isa_get_irq(dev);
327 slp->sl_cfgflags = device_get_flags(dev);
328
329 s = splcam();
330 ctattachsubr(ct);
331 splx(s);
332
333 if (bus_setup_intr(dev, ct->irq_res, INTR_TYPE_CAM,
334 (driver_intr_t *)ctintr, ct, &ct->sc_ih)) {
335 ct_space_unmap(dev, ct);
336 return ENXIO;
337 }
338
339 return 0;
340}
341
342static struct bshw *
343ct_find_hw(device_t dev)
344{
345 return DVCFG_HW(&bshw_hwsel, DVCFG_MAJOR(device_get_flags(dev)));
346}
347
348static int
349ct_space_map(device_t dev, struct bshw *hw,
350 struct resource **iohp, struct resource **memhp)
351{
352 int port_rid, mem_rid;
353
354 *memhp = NULL;
355
356 port_rid = 0;
357 *iohp = bus_alloc_resource(dev, SYS_RES_IOPORT, &port_rid, 0, ~0,
358 BSHW_IOSZ, RF_ACTIVE);
359 if (*iohp == NULL)
360 return ENXIO;
361
362 if ((hw->hw_flags & BSHW_SMFIFO) == 0 || isa_get_maddr(dev) == -1)
363 return 0;
364
365 mem_rid = 0;
366 *memhp = bus_alloc_resource(dev, SYS_RES_MEMORY, &mem_rid, 0, ~0,
367 BSHW_MEMSZ, RF_ACTIVE);
368 if (*memhp == NULL) {
369 bus_release_resource(dev, SYS_RES_IOPORT, port_rid, *iohp);
370 return ENXIO;
371 }
372
373 return 0;
374}
375
376static void
377ct_space_unmap(device_t dev, struct ct_softc *ct)
378{
379 if (ct->port_res != NULL)
380 bus_release_resource(dev, SYS_RES_IOPORT, 0, ct->port_res);
381 if (ct->mem_res != NULL)
382 bus_release_resource(dev, SYS_RES_MEMORY, 0, ct->mem_res);
383 if (ct->irq_res != NULL)
384 bus_release_resource(dev, SYS_RES_IRQ, 0, ct->irq_res);
385 if (ct->drq_res != NULL)
386 bus_release_resource(dev, SYS_RES_DRQ, 0, ct->drq_res);
387}
388
389static void
390ct_dmamap(void *arg, bus_dma_segment_t *seg, int nseg, int error)
391{
392 bus_addr_t *addr = (bus_addr_t *)arg;
393
394 *addr = seg->ds_addr;
395}
396
397static void
398ct_isa_bus_access_weight(chp)
399 struct ct_bus_access_handle *chp;
400{
401
402 outb(0x5f, 0);
403}
404
405static void
406ct_isa_dmasync_before(ct)
407 struct ct_softc *ct;
408{
409
410 if (need_pre_dma_flush)
411 wbinvd();
412}
413
414static void
415ct_isa_dmasync_after(ct)
416 struct ct_softc *ct;
417{
418
419 if (need_post_dma_flush)
420 invd();
421}