1 /* $FreeBSD: src/sys/dev/ct/ct_isa.c,v 1.3.2.3 2003/06/01 04:26:44 nyan Exp $ */
2 /* $DragonFly: src/sys/dev/disk/ct/Attic/ct_isa.c,v 1.6 2005/05/24 20:58:59 dillon Exp $ */
3 /* $NecBSD: ct_isa.c,v 1.6 1999/07/26 06:32:01 honda Exp $ */
7 * [NetBSD for NEC PC-98 series]
8 * Copyright (c) 1995, 1996, 1997, 1998
9 * NetBSD/pc98 porting staff. All rights reserved.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
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.
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.
35 #define SCSIBUS_RESCAN
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
43 #endif /* __ FreeBSD__ */
45 #include <sys/queue.h>
46 #include <sys/malloc.h>
47 #include <sys/device_port.h>
48 #include <sys/errno.h>
53 #include <machine/bus.h>
54 #include <machine/intr.h>
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>
61 #include <bus/isa/isareg.h>
62 #include <bus/isa/isavar.h>
63 #include <bus/isa/isadmavar.h>
65 #include <machine/dvcfg.h>
66 #include <machine/physio_proc.h>
67 #include <machine/syspmgr.h>
69 #include <i386/Cbus/dev/scsi_low.h>
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__ */
76 #if defined(__DragonFly__) || defined(__FreeBSD__)
77 #include <machine/bus.h>
78 #include <machine/resource.h>
81 #include <machine/md_var.h>
83 #include <pc98/pc98/pc98.h>
84 #include <bus/isa/isavar.h>
86 #include <machine/dvcfg.h>
87 #include <machine/physio_proc.h>
89 #include <bus/cam/scsi/scsi_low.h>
91 #include <dev/ic/wd33c93reg.h>
94 #endif /* __FreeBSD__ */
96 #define BSHW_IOSZ 0x08
97 #define BSHW_IOBASE 0xcc0
98 #define BSHW_MEMSZ (PAGE_SIZE * 2)
100 static int ct_isa_match(device_t);
101 static int ct_isa_attach(device_t);
102 static int ct_space_map(device_t, struct bshw *,
103 struct resource **, struct resource **);
104 static void ct_space_unmap(device_t, struct ct_softc *);
105 static struct bshw *ct_find_hw(device_t);
106 static void ct_dmamap(void *, bus_dma_segment_t *, int, int);
107 static void ct_isa_bus_access_weight (struct ct_bus_access_handle *);
108 static void ct_isa_dmasync_before (struct ct_softc *);
109 static void ct_isa_dmasync_after (struct ct_softc *);
111 struct ct_isa_softc {
112 struct ct_softc sc_ct;
113 struct bshw_softc sc_bshw;
116 static struct isa_pnp_id ct_pnp_ids[] = {
117 { 0x0100e7b1, "Logitec LHA-301" },
118 { 0x110154dc, "I-O DATA SC-98III" },
119 { 0x4120acb4, "MELCO IFC-NN" },
123 static device_method_t ct_isa_methods[] = {
124 /* Device interface */
125 DEVMETHOD(device_probe, ct_isa_match),
126 DEVMETHOD(device_attach, ct_isa_attach),
130 static driver_t ct_isa_driver = {
131 "ct", ct_isa_methods, sizeof(struct ct_isa_softc),
134 static devclass_t ct_devclass;
136 DRIVER_MODULE(ct, isa, ct_isa_driver, ct_devclass, 0, 0);
139 ct_isa_match(device_t dev)
142 struct resource *port_res, *mem_res;
143 struct ct_bus_access_handle ch;
146 if (ISA_PNP_PROBE(device_get_parent(dev), dev, ct_pnp_ids) == ENXIO)
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);
158 if (isa_get_port(dev) == -1)
159 bus_set_resource(dev, SYS_RES_IOPORT, 0,
160 BSHW_IOBASE, BSHW_IOSZ);
162 if ((hw = ct_find_hw(dev)) == NULL)
164 if (ct_space_map(dev, hw, &port_res, &mem_res) != 0)
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;
172 rv = ctprobesubr(&ch, 0, BSHW_DEFAULT_HOSTID,
173 BSHW_DEFAULT_CHIPCLK, NULL);
176 struct bshw_softc bshw_tab;
177 struct bshw_softc *bs = &bshw_tab;
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);
185 bus_release_resource(dev, SYS_RES_IOPORT, 0, port_res);
187 bus_release_resource(dev, SYS_RES_MEMORY, 0, mem_res);
195 ct_isa_attach(device_t dev)
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;
203 int irq_rid, drq_rid, chiprev;
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");
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);
218 chp->ch_memt = rman_get_bustag(ct->mem_res);
219 chp->ch_memh = rman_get_bushandle(ct->mem_res);
221 chp->ch_bus_weight = ct_isa_bus_access_weight;
224 ct->irq_res = bus_alloc_resource(dev, SYS_RES_IRQ, &irq_rid, 0, ~0,
227 ct->drq_res = bus_alloc_resource(dev, SYS_RES_DRQ, &drq_rid, 0, ~0,
229 if (ct->irq_res == NULL || ct->drq_res == NULL) {
230 ct_space_unmap(dev, ct);
234 if (ctprobesubr(chp, 0, BSHW_DEFAULT_HOSTID,
235 BSHW_DEFAULT_CHIPCLK, &chiprev) == 0)
237 device_printf(dev, "hardware missing\n");
238 ct_space_unmap(dev, ct);
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);
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);
260 bus_dmamap_load(ct->sc_dmat, ct->sc_dmamapt, vaddr, MAXBSIZE,
261 ct_dmamap, &addr, 0);
263 /* setup machdep softc */
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);
274 /* setup ct driver softc */
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;
283 ct->sc_xmode = CT_XMODE_DMA;
284 if (chp->ch_memh != NULL)
285 ct->sc_xmode |= CT_XMODE_PIO;
287 ct->sc_chiprev = chiprev;
295 if (DVCFG_MAJOR(device_get_flags(dev)) > 0)
297 /* s = "AM33C93_A"; */
299 ct->sc_chiprev = CT_AM33C93_A;
303 /* s = "WD33C93_A"; */
309 /* s = "AM33C93_A"; */
315 /* s = "WD33C93_B"; */
320 printf("%s: chiprev %s chipclk %d Mhz\n",
321 slp->sl_dev.dv_xname, s, ct->sc_chipclk);
325 slp->sl_hostid = bs->sc_hostid;
326 slp->sl_irq = isa_get_irq(dev);
327 slp->sl_cfgflags = device_get_flags(dev);
333 if (bus_setup_intr(dev, ct->irq_res, INTR_TYPE_CAM,
334 (driver_intr_t *)ctintr, ct,
336 ct_space_unmap(dev, ct);
344 ct_find_hw(device_t dev)
346 return DVCFG_HW(&bshw_hwsel, DVCFG_MAJOR(device_get_flags(dev)));
350 ct_space_map(device_t dev, struct bshw *hw,
351 struct resource **iohp, struct resource **memhp)
353 int port_rid, mem_rid;
358 *iohp = bus_alloc_resource(dev, SYS_RES_IOPORT, &port_rid, 0, ~0,
359 BSHW_IOSZ, RF_ACTIVE);
363 if ((hw->hw_flags & BSHW_SMFIFO) == 0 || isa_get_maddr(dev) == -1)
367 *memhp = bus_alloc_resource(dev, SYS_RES_MEMORY, &mem_rid, 0, ~0,
368 BSHW_MEMSZ, RF_ACTIVE);
369 if (*memhp == NULL) {
370 bus_release_resource(dev, SYS_RES_IOPORT, port_rid, *iohp);
378 ct_space_unmap(device_t dev, struct ct_softc *ct)
380 if (ct->port_res != NULL)
381 bus_release_resource(dev, SYS_RES_IOPORT, 0, ct->port_res);
382 if (ct->mem_res != NULL)
383 bus_release_resource(dev, SYS_RES_MEMORY, 0, ct->mem_res);
384 if (ct->irq_res != NULL)
385 bus_release_resource(dev, SYS_RES_IRQ, 0, ct->irq_res);
386 if (ct->drq_res != NULL)
387 bus_release_resource(dev, SYS_RES_DRQ, 0, ct->drq_res);
391 ct_dmamap(void *arg, bus_dma_segment_t *seg, int nseg, int error)
393 bus_addr_t *addr = (bus_addr_t *)arg;
395 *addr = seg->ds_addr;
399 ct_isa_bus_access_weight(chp)
400 struct ct_bus_access_handle *chp;
407 ct_isa_dmasync_before(ct)
411 if (need_pre_dma_flush)
416 ct_isa_dmasync_after(ct)
420 if (need_post_dma_flush)