Add uart pccard bus attachment,based on sio_pccard.c .

Wrote at: Hakone.
Powered by: Warner Losh's scotch whisky.
Tested by: nork

1 files changed, 109 insertions, 0 deletions

diff --git a/sys/dev/uart/uart_bus_pccard.c b/sys/dev/uart/uart_bus_pccard.c
new file mode 100644
index 0000000..5965e65
--- /dev/null
+++ b/sys/dev/uart/uart_bus_pccard.c
@@ -0,0 +1,109 @@
+/*
+ * Copyright (c) 2001 M. Warner Losh.  All rights reserved.
+ * Copyright (c) 2003 Norikatsu Shigemura, Takenori Watanabe 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 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.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/bus.h>
+#include <sys/conf.h>
+#include <sys/kernel.h>
+#include <sys/lock.h>
+#include <sys/malloc.h>
+#include <sys/mutex.h>
+#include <sys/module.h>
+#include <sys/tty.h>
+#include <machine/bus_pio.h>
+#include <machine/bus.h>
+#include <machine/resource.h>
+#include <sys/timepps.h>
+
+#include <dev/pccard/pccardreg.h>
+#include <dev/pccard/pccardvar.h>
+#include <dev/pccard/pccarddevs.h>
+
+#include <dev/uart/uart.h>
+#include <dev/uart/uart_bus.h>
+
+static	int	uart_pccard_match(device_t self);
+static	int	uart_pccard_probe(device_t dev);
+
+static device_method_t uart_pccard_methods[] = {
+	/* Device interface */
+	DEVMETHOD(device_probe,		pccard_compat_probe),
+	DEVMETHOD(device_attach,	pccard_compat_attach),
+	DEVMETHOD(device_detach,	uart_bus_detach),
+
+	/* Card interface */
+	DEVMETHOD(card_compat_match,	uart_pccard_match),
+	DEVMETHOD(card_compat_probe,	uart_pccard_probe),
+	DEVMETHOD(card_compat_attach,	uart_bus_attach),
+
+	{ 0, 0 }
+};
+
+static driver_t uart_pccard_driver = {
+	uart_driver_name,
+	uart_pccard_methods,
+	sizeof(struct uart_softc),
+};
+
+static int
+uart_pccard_match(device_t dev)
+{
+	int		error = 0;
+	u_int32_t	fcn = PCCARD_FUNCTION_UNSPEC;
+
+	error = pccard_get_function(dev, &fcn);
+	if (error != 0)
+		return (error);
+	/*
+	 * If a serial card, we are likely the right driver.  However,
+	 * some serial cards are better servered by other drivers, so
+	 * allow other drivers to claim it, if they want.
+	 */
+	if (fcn == PCCARD_FUNCTION_SERIAL)
+		return (-100);
+
+	return(ENXIO);
+}
+
+static int
+uart_pccard_probe(dev)
+	device_t	dev;
+{
+	struct uart_softc *sc;
+	sc = device_get_softc(dev);
+	sc->sc_class = &uart_ns8250_class;
+#ifdef PC98
+	SET_FLAG(dev, SET_IFTYPE(COM_IF_MODEM_CARD));
+#endif
+	/* Do not probe IRQ - pccard doesn't turn on the interrupt line */
+	/* until bus_setup_intr but how can I do so?*/
+	return (uart_bus_probe(dev, 0, 0, 0));
+}
+
+DRIVER_MODULE(uart, pccard, uart_pccard_driver, uart_devclass, 0, 0);