summaryrefslogtreecommitdiff
path: root/sys
diff options
context:
space:
mode:
authorGrigoriy Orlov <gluk@cvs.openbsd.org>2001-10-04 20:25:29 +0000
committerGrigoriy Orlov <gluk@cvs.openbsd.org>2001-10-04 20:25:29 +0000
commitae0af87072a52028a89ef7da9919222b248d75b7 (patch)
tree438019a2b7ebb0ac581e0724074694580ae7901e /sys
parent54ab5f7fffe1e2ac013c08d6732d2fa8b3c3a575 (diff)
Driver skeleton for Guillemot Maxi Radio FM2000 PCI Radio Card.
If I understand right developers have no such card. Work by Maxim Tsyplakov <tm@oganer.net>, Vladimir Popov <jumbo@narod.ru>
Diffstat (limited to 'sys')
-rw-r--r--sys/dev/pci/maxiradio.c144
1 files changed, 144 insertions, 0 deletions
diff --git a/sys/dev/pci/maxiradio.c b/sys/dev/pci/maxiradio.c
new file mode 100644
index 00000000000..f6713da03be
--- /dev/null
+++ b/sys/dev/pci/maxiradio.c
@@ -0,0 +1,144 @@
+/* $OpenBSD: maxiradio.c,v 1.1 2001/10/04 20:25:28 gluk Exp $ */
+/* $RuOBSD: maxiradio.c,v 1.3 2001/10/02 10:45:53 pva Exp $ */
+
+/*
+ * Copyright (c) 2001 Maxim Tsyplakov <tm@oganer.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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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.
+ */
+
+/* Guillemot Maxi Radio FM2000 PCI Radio Card Device Driver */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/device.h>
+#include <sys/errno.h>
+#include <sys/ioctl.h>
+#include <sys/proc.h>
+
+#include <machine/bus.h>
+
+#include <dev/pci/pcireg.h>
+#include <dev/pci/pcivar.h>
+#include <dev/pci/pcidevs.h>
+
+#include <dev/radio_if.h>
+
+int mr_match(struct device *, void *, void *);
+void mr_attach(struct device *, struct device *, void *);
+int mr_open(dev_t, int, int, struct proc *);
+int mr_close(dev_t, int, int, struct proc *);
+int mr_ioctl(dev_t, u_long, caddr_t, int, struct proc *);
+
+/* config base I/O address ? */
+#define PCI_CBIO 0x6400
+
+/* define our interface to the high-level radio driver */
+
+struct radio_hw_if mr_hw_if = {
+ mr_open,
+ mr_close,
+ mr_ioctl
+};
+
+struct mr_softc {
+ struct device sc_dev;
+ bus_space_tag_t sc_iot;
+ bus_space_handle_t sc_ioh;
+};
+
+struct cfattach mr_ca = {
+ sizeof(struct mr_softc), mr_match, mr_attach
+};
+
+struct cfdriver mr_cd = {
+ NULL, "mr", DV_DULL
+};
+
+int
+mr_match(struct device *parent, void *match, void *aux)
+{
+ struct pci_attach_args *pa = aux;
+ if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_GUILLEMOT &&
+ PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_GUILLEMOT_MAXIRADIO)
+ return (1);
+ return (0);
+}
+
+void
+mr_attach(struct device *parent, struct device *self, void *aux)
+{
+ struct mr_softc *sc = (struct mr_softc *) self;
+ struct pci_attach_args *pa = aux;
+ pci_chipset_tag_t pc = pa->pa_pc;
+ bus_addr_t iobase;
+ bus_size_t iosize;
+ pcireg_t csr;
+
+ if (pci_io_find(pc, pa->pa_tag, PCI_CBIO, &iobase, &iosize)) {
+ printf (": can't find i/o base\n");
+ return;
+ }
+
+ if (bus_space_map(sc->sc_iot = pa->pa_iot, iobase, iosize,
+ 0, &sc->sc_ioh)) {
+ printf(": can't map i/o space\n");
+ return;
+ }
+
+ /* Enable the card */
+ csr = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
+ pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
+ csr | PCI_COMMAND_MASTER_ENABLE);
+
+ radio_attach_mi(&mr_hw_if, sc, &sc->sc_dev);
+}
+
+int
+mr_open(dev_t dev, int flags, int fmt, struct proc *p)
+{
+ struct mr_softc *sc;
+ return !(sc = mr_cd.cd_devs[0]) ? ENXIO : 0;
+}
+
+int
+mr_close(dev_t dev, int flags, int fmt, struct proc *p)
+{
+ return 0;
+}
+
+/*
+ * Handle the ioctl for the device
+ */
+
+int
+mr_ioctl(dev_t dev, u_long cmd, caddr_t data, int flags, struct proc *p)
+{
+ int error;
+
+ error = 0;
+ switch (cmd) {
+ default:
+ error = EINVAL; /* invalid agument */
+ }
+ return error;
+}