diff options
Diffstat (limited to 'sys/dev/sio/sio_puc.c')
-rw-r--r-- | sys/dev/sio/sio_puc.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/sys/dev/sio/sio_puc.c b/sys/dev/sio/sio_puc.c new file mode 100644 index 0000000..33735bd --- /dev/null +++ b/sys/dev/sio/sio_puc.c @@ -0,0 +1,89 @@ +/*- + * Copyright (c) 2002 JF Hay. All rights reserved. + * Copyright (c) 2001 M. Warner Losh. 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 <sys/timepps.h> + +#include <dev/pci/pcivar.h> +#include <dev/puc/pucvar.h> +#include <dev/sio/siovar.h> +#include <dev/sio/sioreg.h> + +static int sio_puc_attach __P((device_t dev)); +static int sio_puc_probe __P((device_t dev)); + +static device_method_t sio_puc_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, sio_puc_probe), + DEVMETHOD(device_attach, sio_puc_attach), + + { 0, 0 } +}; + +static driver_t sio_puc_driver = { + sio_driver_name, + sio_puc_methods, + 0, +}; + +static int +sio_puc_attach(dev) + device_t dev; +{ + u_int rclk; + + if (BUS_READ_IVAR(device_get_parent(dev), dev, PUC_IVAR_FREQ, + &rclk) != 0) + rclk = DEFAULT_RCLK; + return (sioattach(dev, 0, rclk)); +} + +static int +sio_puc_probe(dev) + device_t dev; +{ + u_int rclk; + + if (BUS_READ_IVAR(device_get_parent(dev), dev, PUC_IVAR_FREQ, + &rclk) != 0) + rclk = DEFAULT_RCLK; + return (sioprobe(dev, 0, (u_long)rclk, 0)); +} + +DRIVER_MODULE(sio, puc, sio_puc_driver, sio_devclass, 0, 0); |