New dma engine skeleton

4 files changed, 235 insertions, 1 deletions

diff --git a/sys/dev/pci/files.pci b/sys/dev/pci/files.pci
index 7b86c358413..43bb95d04b0 100644
--- a/sys/dev/pci/files.pci
+++ b/sys/dev/pci/files.pci
@@ -1,4 +1,4 @@
-#	$OpenBSD: files.pci,v 1.109 2001/06/24 23:31:27 mickey Exp $
+#	$OpenBSD: files.pci,v 1.110 2001/06/25 23:04:46 jason Exp $
 #	$NetBSD: files.pci,v 1.20 1996/09/24 17:47:15 christos Exp $
 #
 # Config file and device description for machine-independent PCI code.
@@ -277,6 +277,11 @@ file	dev/pci/if_ti.c			ti
 attach	ne at pci with ne_pci: rtl80x9
 file	dev/pci/if_ne_pci.c		ne_pci
 
+# Hi/fn 6500
+device	lofn: crypto
+attach	lofn at pci
+file	dev/pci/lofn.c			lofn
+
 # Hi/fn 7751 
 device	hifn: crypto
 attach	hifn at pci
diff --git a/sys/dev/pci/lofn.c b/sys/dev/pci/lofn.c
new file mode 100644
index 00000000000..62702e9c47c
--- /dev/null
+++ b/sys/dev/pci/lofn.c
@@ -0,0 +1,155 @@
+/*	$OpenBSD: lofn.c,v 1.1 2001/06/25 23:04:45 jason Exp $	*/
+
+/*
+ * Copyright (c) 2001 Jason L. Wright (jason@thought.net)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by Jason L. Wright
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * Driver for the Hi/Fn 6500 assymmetric encryption processor.
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/proc.h>
+#include <sys/errno.h>
+#include <sys/malloc.h>
+#include <sys/kernel.h>
+#include <sys/mbuf.h>
+#include <vm/vm.h>
+#include <vm/vm_extern.h>
+#include <vm/pmap.h>
+#include <machine/pmap.h>
+#include <sys/device.h>
+
+#include <crypto/cryptodev.h>
+#include <dev/rndvar.h>
+
+#include <dev/pci/pcireg.h>
+#include <dev/pci/pcivar.h>
+#include <dev/pci/pcidevs.h>
+
+#include <dev/pci/lofnreg.h>
+#include <dev/pci/lofnvar.h>
+
+/*
+ * Prototypes and count for the pci_device structure
+ */
+int lofn_probe		__P((struct device *, void *, void *));
+void lofn_attach	__P((struct device *, struct device *, void *));
+
+struct cfattach lofn_ca = {
+	sizeof(struct lofn_softc), lofn_probe, lofn_attach,
+};
+
+struct cfdriver lofn_cd = {
+	0, "lofn", DV_DULL
+};
+
+int lofn_intr	__P((void *));
+
+int
+lofn_probe(parent, match, aux)
+	struct device *parent;
+	void *match;
+	void *aux;
+{
+	struct pci_attach_args *pa = (struct pci_attach_args *) aux;
+
+	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_HIFN &&
+	    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_HIFN_6500)
+		return (1);
+	return (0);
+}
+
+void 
+lofn_attach(parent, self, aux)
+	struct device *parent, *self;
+	void *aux;
+{
+	struct lofn_softc *sc = (struct lofn_softc *)self;
+	struct pci_attach_args *pa = aux;
+	pci_chipset_tag_t pc = pa->pa_pc;
+	pci_intr_handle_t ih;
+	const char *intrstr = NULL;
+	bus_size_t iosize;
+	u_int32_t cmd;
+
+	cmd = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
+	cmd |= PCI_COMMAND_MEM_ENABLE | PCI_COMMAND_MASTER_ENABLE;
+	pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, cmd);
+	cmd = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
+
+	if (!(cmd & PCI_COMMAND_MEM_ENABLE)) {
+		printf(": failed to enable memory mapping\n");
+		return;
+	}
+
+	if (!(cmd & PCI_COMMAND_MASTER_ENABLE)) {
+		printf(": failed to enable bus mastering\n");
+		return;
+	}
+
+	if (pci_mapreg_map(pa, LOFN_BAR0, PCI_MAPREG_TYPE_MEM, 0,
+	    &sc->sc_st, &sc->sc_sh, NULL, &iosize, 0)) {
+		printf(": can't map mem space %d\n", 0);
+		return;
+	}
+
+	sc->sc_dmat = pa->pa_dmat;
+
+	if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin,
+	    pa->pa_intrline, &ih)) {
+		printf(": couldn't map interrupt\n");
+		goto fail_io;
+	}
+	intrstr = pci_intr_string(pc, ih);
+	sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, lofn_intr, sc,
+	    self->dv_xname);
+	if (sc->sc_ih == NULL) {
+		printf(": couldn't establish interrupt");
+		if (intrstr != NULL)
+			printf(" at %s", intrstr);
+		printf("\n");
+		goto fail_io;
+	}
+
+	return;
+
+	pci_intr_disestablish(pc, sc->sc_ih);
+fail_io:
+	bus_space_unmap(sc->sc_st, sc->sc_sh, iosize);
+}
+
+int 
+lofn_intr(arg)
+	void *arg;
+{
+	return (0);
+}
diff --git a/sys/dev/pci/lofnreg.h b/sys/dev/pci/lofnreg.h
new file mode 100644
index 00000000000..011f2a167fb
--- /dev/null
+++ b/sys/dev/pci/lofnreg.h
@@ -0,0 +1,34 @@
+/*	$OpenBSD: lofnreg.h,v 1.1 2001/06/25 23:04:46 jason Exp $	*/
+
+/*
+ * Copyright (c) 2001 Jason L. Wright (jason@thought.net)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by Jason L. Wright
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#define	LOFN_BAR0	0x10
diff --git a/sys/dev/pci/lofnvar.h b/sys/dev/pci/lofnvar.h
new file mode 100644
index 00000000000..02fd980c0f9
--- /dev/null
+++ b/sys/dev/pci/lofnvar.h
@@ -0,0 +1,40 @@
+/*	$OpenBSD: lofnvar.h,v 1.1 2001/06/25 23:04:46 jason Exp $	*/
+
+/*
+ * Copyright (c) 2001 Jason L. Wright (jason@thought.net)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by Jason L. Wright
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+struct lofn_softc {
+	struct device		sc_dv;
+	void *			sc_ih;
+	bus_space_handle_t	sc_sh;
+	bus_space_tag_t		sc_st;
+	bus_dma_tag_t		sc_dmat;
+};