2 * ----------------------------------------------------------------------------
3 * "THE BEER-WARE LICENSE" (Revision 42):
4 * <phk@FreeBSD.ORG> wrote this file. As long as you retain this notice you
5 * can do whatever you want with this stuff. If we meet some day, and you think
6 * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
7 * ----------------------------------------------------------------------------
9 * $FreeBSD: src/sys/contrib/dev/fla/fla.c,v 1.16 1999/12/08 04:45:16 ken Exp $
10 * $DragonFly: src/sys/contrib/dev/fla/Attic/fla.c,v 1.8 2005/06/04 14:24:33 corecode Exp $
16 #include <sys/param.h>
17 #include <sys/systm.h>
18 #include <sys/sysctl.h>
19 #include <sys/kernel.h>
22 #include <sys/malloc.h>
25 #include <sys/devicestat.h>
26 #include <sys/module.h>
27 #include <machine/clock.h>
28 #include <machine/resource.h>
32 #include <vm/vm_param.h>
36 #include <bus/isa/isavar.h>
39 #include <machine/smp.h>
40 #define LEAVE() rel_mplock();
41 #define ENTER() get_mplock();
47 #include <contrib/dev/fla/msysosak.h>
49 MALLOC_DEFINE(M_FLA, "fla driver", "fla driver storage");
51 static int fla_debug = 0;
52 SYSCTL_INT(_debug, OID_AUTO, fladebug, CTLFLAG_RW, &fla_debug, 0, "");
54 #define CDEV_MAJOR 102
57 static d_strategy_t flastrategy;
58 static d_open_t flaopen;
59 static d_close_t flaclose;
60 static d_ioctl_t flaioctl;
62 static struct cdevsw fla_cdevsw = {
65 /* flags */ D_DISK | D_CANFREE,
72 /* write */ physwrite,
76 /* strategy */ flastrategy,
82 doc2k_malloc(int bytes)
84 return malloc(bytes, M_FLA, M_WAITOK);
94 doc2k_delay(unsigned msec)
100 doc2k_memcpy(void *dst, const void *src, unsigned len)
102 bcopy(src, dst, len);
106 doc2k_memcmp(const void *dst, const void *src, unsigned len)
108 return (bcmp(src, dst, len));
112 doc2k_memset(void *dst, int c, unsigned len)
119 static struct fla_s {
123 struct doc2k_stat ds;
124 struct buf_queue_head buf_queue;
125 struct devstat stats;
131 flaopen(dev_t dev, int flag, int fmt, struct thread *td)
135 struct disklabel *dl;
138 printf("flaopen(%s %x %x %p)\n",
139 devtoname(dev), flag, fmt, td);
143 error = doc2k_open(sc->unit);
146 printf("doc2k_open(%d) -> err %d\n", sc->unit, error);
150 dl = &sc->disk.d_label;
151 bzero(dl, sizeof(*dl));
152 error = doc2k_size(sc->unit, &dl->d_secperunit,
153 &dl->d_ncylinders, &dl->d_ntracks, &dl->d_nsectors);
154 dl->d_secsize = DEV_BSIZE;
155 dl->d_secpercyl = dl->d_ntracks * dl->d_nsectors; /* XXX */
161 flaclose(dev_t dev, int flags, int fmt, struct thread *td)
167 printf("flaclose(%s %x %x %p)\n",
168 devtoname(dev), flags, fmt, td);
172 error = doc2k_close(sc->unit);
174 printf("doc2k_close(%d) -> err %d\n", sc->unit, error);
181 flaioctl(dev_t dev, u_long cmd, caddr_t addr, int flags, struct thread *td)
185 printf("flaioctl(%s %lx %p %x %p)\n",
186 devtoname(dev), cmd, addr, flags, td);
192 flastrategy(struct buf *bp)
196 enum doc2k_work what;
199 printf("flastrategy(%p) %s %lx, %d, %ld, %p)\n",
200 bp, devtoname(bp->b_dev), bp->b_flags, bp->b_blkno,
201 bp->b_bcount / DEV_BSIZE, bp->b_data);
203 sc = bp->b_dev->si_drv1;
207 bufqdisksort(&sc->buf_queue, bp);
217 bp = bufq_first(&sc->buf_queue);
219 bufq_remove(&sc->buf_queue, bp);
224 devstat_start_transaction(&sc->stats);
225 bp->b_resid = bp->b_bcount;
226 unit = dkunit(bp->b_dev);
228 if (bp->b_flags & B_FREEBUF)
230 else if (bp->b_flags & B_READ)
237 error = doc2k_rwe( unit, what, bp->b_pblkno,
238 bp->b_bcount / DEV_BSIZE, bp->b_data);
242 if (fla_debug > 1 || error) {
243 printf("fla%d: %d = rwe(%p, %d, %d, %d, %ld, %p)\n",
244 unit, error, bp, unit, what, bp->b_pblkno,
245 bp->b_bcount / DEV_BSIZE, bp->b_data);
249 bp->b_flags |= B_ERROR;
253 devstat_end_transaction_buf(&sc->stats, bp);
263 flaprobe (device_t dev)
269 unit = device_get_unit(dev);
272 /* This is slightly ugly */
273 i = doc2k_probe(unit, KERNBASE + 0xc0000, KERNBASE + 0xe0000);
277 i = doc2k_info(unit, &sc->ds);
281 bus_set_resource(dev, SYS_RES_MEMORY, 0,
282 sc->ds.window - KERNBASE, 8192);
288 flaattach (device_t dev)
291 int i, j, k, l, m, error;
294 unit = device_get_unit(dev);
297 error = doc2k_open(unit);
299 printf("doc2k_open(%d) -> err %d\n", unit, error);
303 error = doc2k_size(unit, &sc->nsect, &i, &j, &k );
305 printf("doc2k_size(%d) -> err %d\n", unit, error);
309 printf("fla%d: <%s %s>\n", unit, sc->ds.product, sc->ds.model);
311 error = doc2k_close(unit);
313 printf("doc2k_close(%d) -> err %d\n", unit, error);
317 m = 1024L * 1024L / DEV_BSIZE;
318 l = (sc->nsect * 10 + m/2) / m;
319 printf("fla%d: %d.%01dMB (%u sectors),"
320 " %d cyls, %d heads, %d S/T, 512 B/S\n",
321 unit, l / 10, l % 10, sc->nsect, i, j, k);
324 printf("fla%d: JEDEC=0x%x unitsize=%ld mediasize=%ld"
325 " chipsize=%ld interleave=%d window=%lx\n",
326 unit, sc->ds.type, sc->ds.unitSize, sc->ds.mediaSize,
327 sc->ds.chipSize, sc->ds.interleaving, sc->ds.window);
329 bufq_init(&sc->buf_queue);
331 devstat_add_entry(&softc[unit].stats, "fla", unit, DEV_BSIZE,
332 DEVSTAT_NO_ORDERED_TAGS,
333 DEVSTAT_TYPE_DIRECT | DEVSTAT_TYPE_IF_OTHER,
334 DEVSTAT_PRIORITY_DISK);
336 sc->dev = disk_create(unit, &sc->disk, 0, &fla_cdevsw);
337 sc->dev->si_drv1 = sc;
343 static device_method_t fla_methods[] = {
344 /* Device interface */
345 DEVMETHOD(device_probe, flaprobe),
346 DEVMETHOD(device_attach, flaattach),
350 static driver_t fladriver = {
353 sizeof(struct fla_s),
356 static devclass_t fla_devclass;
358 DRIVER_MODULE(fla, isa, fladriver, fla_devclass, 0, 0);