mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-15 10:17:20 +00:00
Check handle types.
Implement more device functions. Make DMA optional.
This commit is contained in:
Poul-Henning Kamp
parent
a090347fe4
commit
6833149f4b
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=141777
@ -466,14 +466,14 @@ ibrsv (int handle, int v)
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}
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int
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ibsad (int handle, int v)
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ibsad (int handle, int sad)
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{
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struct ibarg io;
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io.__ident = __ID_IBSAD;
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io.handle = handle;
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io.v = v;
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io.__field = __F_HANDLE | __F_V;
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io.sad = v;
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io.__field = __F_HANDLE | __F_SAD;
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return (__ibsubmit(&io));
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}
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@ -61,9 +61,17 @@ static MALLOC_DEFINE(M_IBFOO, "IBFOO", "IBFOO");
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#include <dev/ieee488/ibfoo_int.h>
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/* XXX: This is really a bitmap */
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enum h_kind {
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H_DEV = 1,
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H_BOARD = 2,
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H_EITHER = 3
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};
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struct handle {
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LIST_ENTRY(handle) list;
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int handle;
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enum h_kind kind;
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int pad;
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int sad;
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struct timeval timeout;
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@ -224,6 +232,7 @@ gpib_ib_timeout(void *arg)
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ib = u->ibfoo;
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mtx_lock(&u->mutex);
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if (ib->mode == DMA_IDATA && isa_dmatc(u->dmachan)) {
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KASSERT(u->dmachan >= 0, ("Bogus dmachan = %d", u->dmachan));
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upd7210_wr(u, IMR1, 0);
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upd7210_wr(u, IMR2, 0);
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ib->mode = IDLE;
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@ -387,6 +396,7 @@ dma_idata(struct upd7210 *u, u_char *data, int len)
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int j;
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struct ibfoo *ib;
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KASSERT(u->dmachan >= 0, ("Bogus dmachan %d", u->dmachan));
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ib = u->ibfoo;
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ib->mode = DMA_IDATA;
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mtx_lock(&Giant);
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@ -404,21 +414,56 @@ dma_idata(struct upd7210 *u, u_char *data, int len)
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return (len - j);
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}
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#define ibask NULL
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static int
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ib_send_msg(struct ibfoo *ib, int msg)
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{
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u_char buf[10];
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int i, j;
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i = 0;
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buf[i++] = UNT;
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buf[i++] = UNL;
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buf[i++] = LAD | ib->h->pad;
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if (ib->h->sad)
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buf[i++] = LAD | TAD | ib->h->sad;
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buf[i++] = TAD | 0;
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buf[i++] = msg;
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j = pio_cmd(ib->u, buf, i);
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if (i != j)
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ib_set_error(ib->ap, EABO); /* XXX ? */
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return (0);
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}
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static int
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ibask(struct ibfoo *ib)
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{ /* XXX */
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ibdebug = ib->ap->option;
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return (0);
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}
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#define ibbna NULL
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#define ibcac NULL
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#define ibclr NULL
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static int
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ibclr(struct ibfoo *ib)
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{
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return (ib_send_msg(ib, SDC));
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}
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#define ibcmd NULL
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#define ibcmda NULL
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#define ibconfig NULL
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static int
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ibdev(struct ibfoo *ib)
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{
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{ /* TBD */
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struct handle *h;
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h = malloc(sizeof *h, M_IBFOO, M_ZERO | M_WAITOK);
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h->handle = alloc_unr(ib->unrhdr);
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h->kind = H_DEV;
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h->pad = ib->ap->pad;
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h->sad = ib->ap->sad;
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h->timeout = timeouts[ib->ap->tmo];
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@ -437,6 +482,8 @@ static int
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ibdma(struct ibfoo *ib)
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{
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if (ib->u->dmachan < 0 && ib->ap->v)
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return (ib_set_error(ib->ap, EARG));
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ib->h->dma = ib->ap->v;
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return (0);
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}
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@ -445,6 +492,7 @@ static int
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ibeos(struct ibfoo *ib)
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{
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ib->ap->__iberr = ib->h->eos;
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ib->h->eos = ib->ap->eos;
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if (ib->rdh == ib->h)
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config_eos(ib->u, ib->h);
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@ -466,20 +514,51 @@ ibeot(struct ibfoo *ib)
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#define iblines NULL
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#define ibllo NULL
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#define ibln NULL
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#define ibloc NULL
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#define ibonl NULL
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#define ibpad NULL
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static int
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ibloc(struct ibfoo *ib)
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{ /* XXX */
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if (ib->h->kind == H_BOARD)
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return (EOPNOTSUPP); /* XXX */
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return (ib_send_msg(ib, GTL));
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}
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static int
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ibonl(struct ibfoo *ib)
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{ /* XXX */
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if (ib->ap->v)
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return (EOPNOTSUPP); /* XXX */
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mtx_lock(&ib->u->mutex);
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LIST_REMOVE(ib->h, list);
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mtx_unlock(&ib->u->mutex);
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free(ib->h, M_IBFOO);
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ib->h = NULL;
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return (0);
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}
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static int
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ibpad(struct ibfoo *ib)
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{
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ib->h->pad = ib->ap->pad;
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return (0);
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}
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#define ibpct NULL
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#define ibpoke NULL
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#define ibppc NULL
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static int
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ibrd(struct ibfoo *ib)
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{
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{ /* TBD */
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u_char buf[10], *bp;
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int i, j, error, bl, bc;
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u_char *dp;
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if (ib->h->kind == H_BOARD)
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return (EOPNOTSUPP); /* XXX */
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bl = ib->ap->cnt;
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if (bl > PAGE_SIZE)
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bl = PAGE_SIZE;
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@ -508,8 +587,6 @@ ibrd(struct ibfoo *ib)
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i = dma_idata(ib->u, bp, j);
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else
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i = pio_idata(ib->u, bp, j);
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if (i <= 0)
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break;
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error = copyout(bp, dp , i);
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if (error)
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break;
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@ -530,9 +607,27 @@ ibrd(struct ibfoo *ib)
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#define ibrsc NULL
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#define ibrsp NULL
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#define ibrsv NULL
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#define ibsad NULL
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static int
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ibsad(struct ibfoo *ib)
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{
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ib->h->sad = ib->ap->sad;
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return (0);
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}
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#define ibsgnl NULL
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#define ibsic NULL
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static int
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ibsic(struct ibfoo *ib)
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{ /* TBD */
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upd7210_wr(ib->u, AUXMR, AUXMR_SIFC);
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DELAY(100);
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upd7210_wr(ib->u, AUXMR, AUXMR_CIFC);
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return (0);
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}
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#define ibsre NULL
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#define ibsrq NULL
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#define ibstop NULL
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@ -546,15 +641,24 @@ ibtmo(struct ibfoo *ib)
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}
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#define ibtrap NULL
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#define ibtrg NULL
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static int
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ibtrg(struct ibfoo *ib)
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{
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return (ib_send_msg(ib, GET));
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}
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#define ibwait NULL
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static int
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ibwrt(struct ibfoo *ib)
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{
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{ /* XXX */
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u_char buf[10], *bp;
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int i;
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if (ib->h->kind == H_BOARD)
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return (EOPNOTSUPP);
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bp = malloc(ib->ap->cnt, M_IBFOO, M_WAITOK);
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/* XXX: bigger than PAGE_SIZE handling */
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i = copyin(ib->ap->buffer, bp, ib->ap->cnt);
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@ -590,57 +694,58 @@ ibwrt(struct ibfoo *ib)
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static struct ibhandler {
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const char *name;
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enum h_kind kind;
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ibhandler_t *func;
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u_int args;
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} ibhandlers[] = {
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[__ID_IBASK] = { "ibask", ibask, __F_HANDLE | __F_OPTION | __F_RETVAL },
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[__ID_IBBNA] = { "ibbna", ibbna, __F_HANDLE | __F_BDNAME },
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[__ID_IBCAC] = { "ibcac", ibcac, __F_HANDLE | __F_V },
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[__ID_IBCLR] = { "ibclr", ibclr, __F_HANDLE },
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[__ID_IBCMDA] = { "ibcmda", ibcmda, __F_HANDLE | __F_BUFFER | __F_CNT },
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[__ID_IBCMD] = { "ibcmd", ibcmd, __F_HANDLE | __F_BUFFER | __F_CNT },
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[__ID_IBCONFIG] = { "ibconfig", ibconfig, __F_HANDLE | __F_OPTION | __F_VALUE },
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[__ID_IBDEV] = { "ibdev", ibdev, __F_BOARDID | __F_PAD | __F_SAD | __F_TMO | __F_EOT | __F_EOS },
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[__ID_IBDIAG] = { "ibdiag", ibdiag, __F_HANDLE | __F_BUFFER | __F_CNT },
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[__ID_IBDMA] = { "ibdma", ibdma, __F_HANDLE | __F_V },
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[__ID_IBEOS] = { "ibeos", ibeos, __F_HANDLE | __F_EOS },
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[__ID_IBEOT] = { "ibeot", ibeot, __F_HANDLE | __F_EOT },
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[__ID_IBEVENT] = { "ibevent", ibevent, __F_HANDLE | __F_EVENT },
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[__ID_IBFIND] = { "ibfind", ibfind, __F_BDNAME },
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[__ID_IBGTS] = { "ibgts", ibgts, __F_HANDLE | __F_V },
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[__ID_IBIST] = { "ibist", ibist, __F_HANDLE | __F_V },
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[__ID_IBLINES] = { "iblines", iblines, __F_HANDLE | __F_LINES },
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[__ID_IBLLO] = { "ibllo", ibllo, __F_HANDLE },
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[__ID_IBLN] = { "ibln", ibln, __F_HANDLE | __F_PADVAL | __F_SADVAL | __F_LISTENFLAG },
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[__ID_IBLOC] = { "ibloc", ibloc, __F_HANDLE },
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[__ID_IBONL] = { "ibonl", ibonl, __F_HANDLE | __F_V },
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[__ID_IBPAD] = { "ibpad", ibpad, __F_HANDLE | __F_V },
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[__ID_IBPCT] = { "ibpct", ibpct, __F_HANDLE },
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[__ID_IBPOKE] = { "ibpoke", ibpoke, __F_HANDLE | __F_OPTION | __F_VALUE },
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[__ID_IBPPC] = { "ibppc", ibppc, __F_HANDLE | __F_V },
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[__ID_IBRDA] = { "ibrda", ibrda, __F_HANDLE | __F_BUFFER | __F_CNT },
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[__ID_IBRDF] = { "ibrdf", ibrdf, __F_HANDLE | __F_FLNAME },
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[__ID_IBRDKEY] = { "ibrdkey", ibrdkey, __F_HANDLE | __F_BUFFER | __F_CNT },
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[__ID_IBRD] = { "ibrd", ibrd, __F_HANDLE | __F_BUFFER | __F_CNT },
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[__ID_IBRPP] = { "ibrpp", ibrpp, __F_HANDLE | __F_PPR },
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[__ID_IBRSC] = { "ibrsc", ibrsc, __F_HANDLE | __F_V },
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[__ID_IBRSP] = { "ibrsp", ibrsp, __F_HANDLE | __F_SPR },
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[__ID_IBRSV] = { "ibrsv", ibrsv, __F_HANDLE | __F_V },
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[__ID_IBSAD] = { "ibsad", ibsad, __F_HANDLE | __F_V },
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[__ID_IBSGNL] = { "ibsgnl", ibsgnl, __F_HANDLE | __F_V },
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[__ID_IBSIC] = { "ibsic", ibsic, __F_HANDLE },
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[__ID_IBSRE] = { "ibsre", ibsre, __F_HANDLE | __F_V },
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[__ID_IBSRQ] = { "ibsrq", ibsrq, __F_FUNC },
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[__ID_IBSTOP] = { "ibstop", ibstop, __F_HANDLE },
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[__ID_IBTMO] = { "ibtmo", ibtmo, __F_HANDLE | __F_TMO },
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[__ID_IBTRAP] = { "ibtrap", ibtrap, __F_MASK | __F_MODE },
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[__ID_IBTRG] = { "ibtrg", ibtrg, __F_HANDLE },
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[__ID_IBWAIT] = { "ibwait", ibwait, __F_HANDLE | __F_MASK },
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[__ID_IBWRTA] = { "ibwrta", ibwrta, __F_HANDLE | __F_BUFFER | __F_CNT },
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[__ID_IBWRTF] = { "ibwrtf", ibwrtf, __F_HANDLE | __F_FLNAME },
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[__ID_IBWRTKEY] = { "ibwrtkey", ibwrtkey, __F_HANDLE | __F_BUFFER | __F_CNT },
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[__ID_IBWRT] = { "ibwrt", ibwrt, __F_HANDLE | __F_BUFFER | __F_CNT },
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[__ID_IBXTRC] = { "ibxtrc", ibxtrc, __F_HANDLE | __F_BUFFER | __F_CNT },
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[__ID_IBASK] = { "ibask", H_EITHER, ibask, __F_HANDLE | __F_OPTION | __F_RETVAL },
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[__ID_IBBNA] = { "ibbna", H_DEV, ibbna, __F_HANDLE | __F_BDNAME },
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[__ID_IBCAC] = { "ibcac", H_BOARD, ibcac, __F_HANDLE | __F_V },
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[__ID_IBCLR] = { "ibclr", H_DEV, ibclr, __F_HANDLE },
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[__ID_IBCMD] = { "ibcmd", H_BOARD, ibcmd, __F_HANDLE | __F_BUFFER | __F_CNT },
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[__ID_IBCMDA] = { "ibcmda", H_BOARD, ibcmda, __F_HANDLE | __F_BUFFER | __F_CNT },
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[__ID_IBCONFIG] = { "ibconfig", H_EITHER, ibconfig, __F_HANDLE | __F_OPTION | __F_VALUE },
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[__ID_IBDEV] = { "ibdev", 0, ibdev, __F_BOARDID | __F_PAD | __F_SAD | __F_TMO | __F_EOT | __F_EOS },
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[__ID_IBDIAG] = { "ibdiag", H_EITHER, ibdiag, __F_HANDLE | __F_BUFFER | __F_CNT },
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[__ID_IBDMA] = { "ibdma", H_EITHER, ibdma, __F_HANDLE | __F_V },
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[__ID_IBEOS] = { "ibeos", H_EITHER, ibeos, __F_HANDLE | __F_EOS },
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[__ID_IBEOT] = { "ibeot", H_EITHER, ibeot, __F_HANDLE | __F_EOT },
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[__ID_IBEVENT] = { "ibevent", H_BOARD, ibevent, __F_HANDLE | __F_EVENT },
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[__ID_IBFIND] = { "ibfind", 0, ibfind, __F_BDNAME },
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[__ID_IBGTS] = { "ibgts", H_BOARD, ibgts, __F_HANDLE | __F_V },
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[__ID_IBIST] = { "ibist", H_BOARD, ibist, __F_HANDLE | __F_V },
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[__ID_IBLINES] = { "iblines", H_BOARD, iblines, __F_HANDLE | __F_LINES },
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[__ID_IBLLO] = { "ibllo", H_EITHER, ibllo, __F_HANDLE },
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[__ID_IBLN] = { "ibln", H_BOARD, ibln, __F_HANDLE | __F_PADVAL | __F_SADVAL | __F_LISTENFLAG },
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[__ID_IBLOC] = { "ibloc", H_EITHER, ibloc, __F_HANDLE },
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[__ID_IBONL] = { "ibonl", H_EITHER, ibonl, __F_HANDLE | __F_V },
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[__ID_IBPAD] = { "ibpad", H_EITHER, ibpad, __F_HANDLE | __F_PAD },
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[__ID_IBPCT] = { "ibpct", H_DEV, ibpct, __F_HANDLE },
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[__ID_IBPOKE] = { "ibpoke", H_EITHER, ibpoke, __F_HANDLE | __F_OPTION | __F_VALUE },
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[__ID_IBPPC] = { "ibppc", H_EITHER, ibppc, __F_HANDLE | __F_V },
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[__ID_IBRD] = { "ibrd", H_EITHER, ibrd, __F_HANDLE | __F_BUFFER | __F_CNT },
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[__ID_IBRDA] = { "ibrda", H_EITHER, ibrda, __F_HANDLE | __F_BUFFER | __F_CNT },
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[__ID_IBRDF] = { "ibrdf", H_EITHER, ibrdf, __F_HANDLE | __F_FLNAME },
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[__ID_IBRDKEY] = { "ibrdkey", H_EITHER, ibrdkey, __F_HANDLE | __F_BUFFER | __F_CNT },
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[__ID_IBRPP] = { "ibrpp", H_EITHER, ibrpp, __F_HANDLE | __F_PPR },
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[__ID_IBRSC] = { "ibrsc", H_BOARD, ibrsc, __F_HANDLE | __F_V },
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[__ID_IBRSP] = { "ibrsp", H_DEV, ibrsp, __F_HANDLE | __F_SPR },
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[__ID_IBRSV] = { "ibrsv", H_EITHER, ibrsv, __F_HANDLE | __F_V },
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[__ID_IBSAD] = { "ibsad", H_EITHER, ibsad, __F_HANDLE | __F_SAD },
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[__ID_IBSGNL] = { "ibsgnl", H_EITHER, ibsgnl, __F_HANDLE | __F_V },
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[__ID_IBSIC] = { "ibsic", H_BOARD, ibsic, __F_HANDLE },
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[__ID_IBSRE] = { "ibsre", H_BOARD, ibsre, __F_HANDLE | __F_V },
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[__ID_IBSRQ] = { "ibsrq", H_EITHER, ibsrq, __F_FUNC },
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[__ID_IBSTOP] = { "ibstop", H_EITHER, ibstop, __F_HANDLE },
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[__ID_IBTMO] = { "ibtmo", H_EITHER, ibtmo, __F_HANDLE | __F_TMO },
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[__ID_IBTRAP] = { "ibtrap", H_EITHER, ibtrap, __F_MASK | __F_MODE },
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[__ID_IBTRG] = { "ibtrg", H_DEV, ibtrg, __F_HANDLE },
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[__ID_IBWAIT] = { "ibwait", H_EITHER, ibwait, __F_HANDLE | __F_MASK },
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[__ID_IBWRT] = { "ibwrt", H_EITHER, ibwrt, __F_HANDLE | __F_BUFFER | __F_CNT },
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[__ID_IBWRTA] = { "ibwrta", H_EITHER, ibwrta, __F_HANDLE | __F_BUFFER | __F_CNT },
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[__ID_IBWRTF] = { "ibwrtf", H_EITHER, ibwrtf, __F_HANDLE | __F_FLNAME },
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[__ID_IBWRTKEY] = { "ibwrtkey", H_EITHER, ibwrtkey, __F_HANDLE | __F_BUFFER | __F_CNT },
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[__ID_IBXTRC] = { "ibxtrc", H_EITHER, ibxtrc, __F_HANDLE | __F_BUFFER | __F_CNT },
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};
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static const u_int max_ibhandler = sizeof ibhandlers / sizeof ibhandlers[0];
|
||||
@ -655,13 +760,14 @@ ib_dump_args(struct ibhandler *ih, struct ibarg *ap)
|
||||
printf("ibinvalid(");
|
||||
printf("[0x%x]", ap->__field);
|
||||
if (ap->__field & __F_HANDLE) printf(" handle=%d", ap->handle);
|
||||
if (ap->__field & __F_EOS) printf(" eos=%d", ap->eos);
|
||||
if (ap->__field & __F_EOS) printf(" eos=0x%x", ap->eos);
|
||||
if (ap->__field & __F_EOT) printf(" eot=%d", ap->eot);
|
||||
if (ap->__field & __F_TMO) printf(" tmo=%d", ap->tmo);
|
||||
if (ap->__field & __F_PAD) printf(" pad=%d", ap->pad);
|
||||
if (ap->__field & __F_SAD) printf(" sad=%d", ap->sad);
|
||||
if (ap->__field & __F_PAD) printf(" pad=0x%x", ap->pad);
|
||||
if (ap->__field & __F_SAD) printf(" sad=0x%x", ap->sad);
|
||||
if (ap->__field & __F_BUFFER) printf(" buffer=%p", ap->buffer);
|
||||
if (ap->__field & __F_CNT) printf(" cnt=%ld", ap->cnt);
|
||||
if (ap->__field & __F_V) printf(" v=%d/0x%x", ap->v, ap->v);
|
||||
/* XXX more ... */
|
||||
printf(")\n");
|
||||
}
|
||||
@ -671,7 +777,7 @@ gpib_ib_open(struct cdev *dev, int oflags, int devtype, struct thread *td)
|
||||
{
|
||||
struct upd7210 *u;
|
||||
struct ibfoo *ib;
|
||||
int error;
|
||||
int error = 0;
|
||||
|
||||
u = dev->si_drv1;
|
||||
|
||||
@ -683,14 +789,17 @@ gpib_ib_open(struct cdev *dev, int oflags, int devtype, struct thread *td)
|
||||
u->busy = 1;
|
||||
mtx_unlock(&u->mutex);
|
||||
|
||||
mtx_lock(&Giant);
|
||||
error = isa_dma_acquire(u->dmachan);
|
||||
if (!error) {
|
||||
error = isa_dma_init(u->dmachan, PAGE_SIZE, M_WAITOK);
|
||||
if (error)
|
||||
isa_dma_release(u->dmachan);
|
||||
if (u->dmachan >= 0) {
|
||||
mtx_lock(&Giant);
|
||||
error = isa_dma_acquire(u->dmachan);
|
||||
if (!error) {
|
||||
error = isa_dma_init(u->dmachan, PAGE_SIZE, M_WAITOK);
|
||||
if (error)
|
||||
isa_dma_release(u->dmachan);
|
||||
}
|
||||
mtx_unlock(&Giant);
|
||||
}
|
||||
mtx_unlock(&Giant);
|
||||
|
||||
if (error) {
|
||||
mtx_lock(&u->mutex);
|
||||
u->busy = 0;
|
||||
@ -745,11 +854,14 @@ gpib_ib_close(struct cdev *dev, int oflags, int devtype, struct thread *td)
|
||||
dev->si_drv2 = NULL;
|
||||
free(ib, M_IBFOO);
|
||||
|
||||
mtx_lock(&Giant);
|
||||
isa_dma_release(u->dmachan);
|
||||
mtx_unlock(&Giant);
|
||||
if (u->dmachan >= 0) {
|
||||
mtx_lock(&Giant);
|
||||
isa_dma_release(u->dmachan);
|
||||
mtx_unlock(&Giant);
|
||||
}
|
||||
mtx_lock(&u->mutex);
|
||||
u->busy = 0;
|
||||
ibdebug = 0;
|
||||
upd7210_wr(u, IMR1, 0x00);
|
||||
upd7210_wr(u, IMR2, 0x00);
|
||||
upd7210_wr(u, AUXMR, AUXMR_CRST);
|
||||
@ -825,6 +937,12 @@ gpib_ib_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, struct thre
|
||||
return (0);
|
||||
}
|
||||
|
||||
/* Check that the handle is the right kind */
|
||||
if (h != NULL && !(h->kind & ih->kind)) {
|
||||
mtx_unlock(&u->mutex);
|
||||
return (ib_set_error(ap, EARG));
|
||||
}
|
||||
|
||||
/* Set up handle and deadline */
|
||||
if (h != NULL && timevalisset(&h->timeout)) {
|
||||
getmicrouptime(&deadline);
|
||||
|
||||
@ -91,6 +91,9 @@
|
||||
#define BIN (1 << 12)
|
||||
|
||||
/* Bus commands */
|
||||
#define GTL 0x01 /* Go To Local */
|
||||
#define SDC 0x04 /* Selected Device Clear */
|
||||
#define GET 0x08 /* Group Execute Trigger */
|
||||
#define LAD 0x20 /* Listen address */
|
||||
#define UNL 0x3F /* Unlisten */
|
||||
#define TAD 0x40 /* Talk address */
|
||||
@ -121,7 +124,7 @@ int ibllo(int handle);
|
||||
int ibln(int handle, int padval, int sadval, short *listenflag);
|
||||
int ibloc(int handle);
|
||||
int ibonl(int handle, int v);
|
||||
int ibpad(int handle, int v);
|
||||
int ibpad(int handle, int pad);
|
||||
int ibpct(int handle);
|
||||
int ibpoke(int handle, int option, int value);
|
||||
int ibppc(int handle, int v);
|
||||
@ -133,7 +136,7 @@ int ibrpp(int handle, char *ppr);
|
||||
int ibrsc(int handle, int v);
|
||||
int ibrsp(int handle, char *spr);
|
||||
int ibrsv(int handle, int v);
|
||||
int ibsad(int handle, int v);
|
||||
int ibsad(int handle, int sad);
|
||||
int ibsgnl(int handle, int v);
|
||||
int ibsic(int handle);
|
||||
int ibsre(int handle, int v);
|
||||
|
||||
@ -50,7 +50,7 @@ struct upd7210 {
|
||||
bus_space_handle_t reg_handle[8];
|
||||
bus_space_tag_t reg_tag[8];
|
||||
u_int reg_offset[8];
|
||||
u_int dmachan;
|
||||
int dmachan;
|
||||
|
||||
/* private stuff */
|
||||
struct mtx mutex;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user