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https://git.FreeBSD.org/src.git
synced 2024-12-16 10:20:30 +00:00
Some newbus-inspired tidy-ups. Use device_identify() rather than scanning
the resource table to locate children. The 'at ppbus?' can go again. Remove a few #if Nxxx > 0' type things, config arranges this for us. Move the newbus method glue next to the DRIVER_MODULE() stuff so we don't need extra prototypes. Don't set device descriptions until after the possibility of the probe returning an error. Remove all cdevsw_add() calls, all the drivers that did this also use make_dev() correctly, so it's not required. A couple of other minor nits.
This commit is contained in:
Peter Wemm
parent
37973e862d
commit
0f063508d7
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=56455
@ -77,9 +77,6 @@
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/*
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* Update for ppbus, PLIP support only - Nicolas Souchu
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*/
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#include "plip.h"
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#if NPLIP > 0
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#include "opt_plip.h"
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@ -170,9 +167,6 @@ static u_char *ctxmith;
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#define ctrecvl (ctxmith+(3*LPIPTBLSIZE))
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/* Functions for the lp# interface */
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static int lp_probe(device_t dev);
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static int lp_attach(device_t dev);
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static int lpinittables(void);
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static int lpioctl(struct ifnet *, u_long, caddr_t);
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static int lpoutput(struct ifnet *, struct mbuf *, struct sockaddr *,
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@ -188,20 +182,12 @@ static void lp_intr(void *);
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static devclass_t lp_devclass;
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static device_method_t lp_methods[] = {
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/* device interface */
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DEVMETHOD(device_probe, lp_probe),
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DEVMETHOD(device_attach, lp_attach),
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{ 0, 0 }
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};
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static driver_t lp_driver = {
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"plip",
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lp_methods,
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sizeof(struct lp_data),
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};
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static void
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lp_identify(driver_t *driver, device_t parent)
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{
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BUS_ADD_CHILD(parent, 0, "plip", 0);
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}
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/*
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* lpprobe()
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*/
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@ -785,6 +771,19 @@ lpoutput (struct ifnet *ifp, struct mbuf *m,
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return 0;
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}
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DRIVER_MODULE(plip, ppbus, lp_driver, lp_devclass, 0, 0);
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static device_method_t lp_methods[] = {
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/* device interface */
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DEVMETHOD(device_identify, lp_identify),
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DEVMETHOD(device_probe, lp_probe),
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DEVMETHOD(device_attach, lp_attach),
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#endif /* NPLIP > 0 */
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{ 0, 0 }
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};
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static driver_t lp_driver = {
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"plip",
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lp_methods,
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sizeof(struct lp_data),
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};
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DRIVER_MODULE(plip, ppbus, lp_driver, lp_devclass, 0, 0);
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@ -54,53 +54,25 @@
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#include "iicbb_if.h"
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struct lpbb_softc {
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int dummy;
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};
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static int lpbb_detect(device_t dev);
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static int lpbb_probe(device_t);
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static int lpbb_attach(device_t);
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static void
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lpbb_identify(driver_t *driver, device_t parent)
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{
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static int lpbb_callback(device_t, int, caddr_t *);
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static void lpbb_setlines(device_t, int, int);
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static int lpbb_getdataline(device_t);
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static int lpbb_reset(device_t, u_char, u_char, u_char *);
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static devclass_t lpbb_devclass;
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static device_method_t lpbb_methods[] = {
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/* device interface */
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DEVMETHOD(device_probe, lpbb_probe),
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DEVMETHOD(device_attach, lpbb_attach),
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/* bus interface */
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DEVMETHOD(bus_print_child, bus_generic_print_child),
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/* iicbb interface */
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DEVMETHOD(iicbb_callback, lpbb_callback),
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DEVMETHOD(iicbb_setlines, lpbb_setlines),
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DEVMETHOD(iicbb_getdataline, lpbb_getdataline),
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DEVMETHOD(iicbb_reset, lpbb_reset),
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{ 0, 0 }
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};
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static driver_t lpbb_driver = {
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"lpbb",
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lpbb_methods,
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sizeof(struct lpbb_softc),
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};
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BUS_ADD_CHILD(parent, 0, "lpbb", 0);
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}
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static int
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lpbb_probe(device_t dev)
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{
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device_set_desc(dev, "Parallel I2C bit-banging interface");
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/* Perhaps call this during identify instead? */
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if (!lpbb_detect(dev))
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return (ENXIO);
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device_set_desc(dev, "Parallel I2C bit-banging interface");
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return (0);
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}
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@ -234,4 +206,30 @@ lpbb_getdataline(device_t dev)
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return (getSDA(ppbus));
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}
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static devclass_t lpbb_devclass;
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static device_method_t lpbb_methods[] = {
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/* device interface */
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DEVMETHOD(device_identify, lpbb_identify),
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DEVMETHOD(device_probe, lpbb_probe),
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DEVMETHOD(device_attach, lpbb_attach),
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/* bus interface */
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DEVMETHOD(bus_print_child, bus_generic_print_child),
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/* iicbb interface */
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DEVMETHOD(iicbb_callback, lpbb_callback),
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DEVMETHOD(iicbb_setlines, lpbb_setlines),
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DEVMETHOD(iicbb_getdataline, lpbb_getdataline),
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DEVMETHOD(iicbb_reset, lpbb_reset),
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{ 0, 0 }
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};
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static driver_t lpbb_driver = {
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"lpbb",
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lpbb_methods,
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1,
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};
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DRIVER_MODULE(lpbb, ppbus, lpbb_driver, lpbb_devclass, 0, 0);
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@ -60,11 +60,6 @@
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* Updated for ppbus by Nicolas Souchu
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* [Mon Jul 28 1997]
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*/
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#include "lpt.h"
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#if NLPT > 0
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#ifdef _KERNEL
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#include "opt_lpt.h"
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@ -84,7 +79,6 @@
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#include <sys/rman.h>
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#include <machine/lpt.h>
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#endif
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#include <dev/ppbus/ppbconf.h>
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#include <dev/ppbus/ppb_1284.h>
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@ -156,27 +150,11 @@ static int lpt_detect(device_t dev);
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#define UNITODEVICE(unit) \
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(devclass_get_device(lpt_devclass, (unit)))
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static int lpt_probe(device_t dev);
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static int lpt_attach(device_t dev);
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static void lptintr(device_t dev);
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static void lpt_intr(void *arg); /* without spls */
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static devclass_t lpt_devclass;
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static device_method_t lpt_methods[] = {
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/* device interface */
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DEVMETHOD(device_probe, lpt_probe),
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DEVMETHOD(device_attach, lpt_attach),
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{ 0, 0 }
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};
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static driver_t lpt_driver = {
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"lpt",
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lpt_methods,
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sizeof(struct lpt_data),
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};
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/* bits for state */
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#define OPEN (1<<0) /* device is open */
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@ -365,6 +343,13 @@ lpt_detect(device_t dev)
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return (status);
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}
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static void
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lpt_identify(driver_t *driver, device_t parent)
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{
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BUS_ADD_CHILD(parent, 0, LPT_NAME, 0);
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}
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/*
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* lpt_probe()
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*/
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@ -372,11 +357,7 @@ static int
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lpt_probe(device_t dev)
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{
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struct lpt_data *sc;
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static int once;
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if (!once++)
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cdevsw_add(&lpt_cdevsw);
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sc = DEVTOSOFTC(dev);
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bzero(sc, sizeof(struct lpt_data));
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@ -972,7 +953,19 @@ lptioctl(dev_t dev, u_long cmd, caddr_t data, int flags, struct proc *p)
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return(error);
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}
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static device_method_t lpt_methods[] = {
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/* device interface */
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DEVMETHOD(device_identify, lpt_identify),
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DEVMETHOD(device_probe, lpt_probe),
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DEVMETHOD(device_attach, lpt_attach),
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{ 0, 0 }
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};
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static driver_t lpt_driver = {
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LPT_NAME,
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lpt_methods,
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sizeof(struct lpt_data),
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};
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DRIVER_MODULE(lpt, ppbus, lpt_driver, lpt_devclass, 0, 0);
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#endif
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@ -25,10 +25,6 @@
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*
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*/
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#include "pcfclock.h"
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#if NPCFCLOCK > 0
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#include "opt_pcfclock.h"
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#include <sys/param.h>
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@ -68,23 +64,6 @@ struct pcfclock_data {
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static devclass_t pcfclock_devclass;
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static int pcfclock_probe(device_t);
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static int pcfclock_attach(device_t);
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static device_method_t pcfclock_methods[] = {
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/* device interface */
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DEVMETHOD(device_probe, pcfclock_probe),
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DEVMETHOD(device_attach, pcfclock_attach),
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{ 0, 0 }
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};
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static driver_t pcfclock_driver = {
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PCFCLOCK_NAME,
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pcfclock_methods,
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sizeof(struct pcfclock_data),
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};
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static d_open_t pcfclock_open;
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static d_close_t pcfclock_close;
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static d_read_t pcfclock_read;
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@ -144,17 +123,20 @@ static struct cdevsw pcfclock_cdevsw = {
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#define PCFCLOCK_CMD_TIME 0 /* send current time */
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#define PCFCLOCK_CMD_COPY 7 /* copy received signal to PC */
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static void
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pcfclock_identify(driver_t *driver, device_t parent)
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{
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BUS_ADD_CHILD(parent, 0, PCFCLOCK_NAME, 0);
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}
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static int
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pcfclock_probe(device_t dev)
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{
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struct pcfclock_data *sc;
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static int once;
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device_set_desc(dev, "PCF-1.0");
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if (!once++)
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cdevsw_add(&pcfclock_cdevsw);
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sc = DEVTOSOFTC(dev);
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bzero(sc, sizeof(struct pcfclock_data));
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@ -343,6 +325,19 @@ pcfclock_read(dev_t dev, struct uio *uio, int ioflag)
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return (error);
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}
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DRIVER_MODULE(pcfclock, ppbus, pcfclock_driver, pcfclock_devclass, 0, 0);
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static device_method_t pcfclock_methods[] = {
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/* device interface */
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DEVMETHOD(device_identify, pcfclock_identify),
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DEVMETHOD(device_probe, pcfclock_probe),
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DEVMETHOD(device_attach, pcfclock_attach),
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#endif /* NPCFCLOCK */
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{ 0, 0 }
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};
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static driver_t pcfclock_driver = {
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PCFCLOCK_NAME,
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pcfclock_methods,
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sizeof(struct pcfclock_data),
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};
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DRIVER_MODULE(pcfclock, ppbus, pcfclock_driver, pcfclock_devclass, 0, 0);
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@ -44,42 +44,11 @@
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MALLOC_DEFINE(M_PPBUSDEV, "ppbusdev", "Parallel Port bus device");
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static devclass_t ppbus_devclass;
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/*
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* Device methods
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*/
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static int ppbus_probe(device_t);
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static int ppbus_attach(device_t);
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static void ppbus_print_child(device_t bus, device_t dev);
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static int ppbus_read_ivar(device_t, device_t, int, uintptr_t *);
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static int ppbus_write_ivar(device_t, device_t, int, u_long);
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static int ppbus_setup_intr(device_t, device_t, struct resource *, int,
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void (*)(void *), void *, void **);
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static int ppbus_teardown_intr(device_t, device_t, struct resource *, void *);
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static device_method_t ppbus_methods[] = {
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/* device interface */
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DEVMETHOD(device_probe, ppbus_probe),
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DEVMETHOD(device_attach, ppbus_attach),
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/* bus interface */
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DEVMETHOD(bus_print_child, ppbus_print_child),
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DEVMETHOD(bus_read_ivar, ppbus_read_ivar),
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DEVMETHOD(bus_write_ivar, ppbus_write_ivar),
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DEVMETHOD(bus_setup_intr, ppbus_setup_intr),
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DEVMETHOD(bus_teardown_intr, ppbus_teardown_intr),
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DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource),
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{ 0, 0 }
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};
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static driver_t ppbus_driver = {
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"ppbus",
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ppbus_methods,
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sizeof(struct ppb_data),
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};
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static void
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ppbus_print_child(device_t bus, device_t dev)
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{
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@ -106,12 +75,12 @@ ppbus_probe(device_t dev)
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}
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/*
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* ppb_add_device()
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* ppbus_add_child()
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*
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* Add a ppbus device, allocate/initialize the ivars
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*/
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static void
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ppbus_add_device(device_t dev, const char *name, int unit)
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static device_t
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ppbus_add_child(device_t dev, int order, const char *name, int unit)
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{
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struct ppb_device *ppbdev;
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device_t child;
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@ -119,7 +88,7 @@ ppbus_add_device(device_t dev, const char *name, int unit)
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/* allocate ivars for the new ppbus child */
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ppbdev = malloc(sizeof(struct ppb_device), M_PPBUSDEV, M_NOWAIT);
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if (!ppbdev)
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return;
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return NULL;
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bzero(ppbdev, sizeof *ppbdev);
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/* initialize the ivars */
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@ -127,15 +96,15 @@ ppbus_add_device(device_t dev, const char *name, int unit)
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/* add the device as a child to the ppbus bus with the allocated
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* ivars */
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child = device_add_child(dev, name, unit);
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child = device_add_child_ordered(dev, order, name, unit);
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device_set_ivars(child, ppbdev);
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return;
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return child;
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}
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static int
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ppbus_read_ivar(device_t bus, device_t dev, int index, uintptr_t* val)
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{
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{
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struct ppb_device *ppbdev = (struct ppb_device *)device_get_ivars(dev);
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switch (index) {
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@ -421,39 +390,9 @@ ppb_scan_bus(device_t bus)
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static int
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ppbus_attach(device_t dev)
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{
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int i;
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int unit, disabled;
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char *name;
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/*
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* Add all devices configured to be attached to ppbus0.
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*/
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for (i = resource_query_string(-1, "at", "ppbus0");
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i != -1;
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i = resource_query_string(i, "at", "ppbus0")) {
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unit = resource_query_unit(i);
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name = resource_query_name(i);
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if (resource_int_value(name, unit, "disabled", &disabled) == 0) {
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if (disabled)
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continue;
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}
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ppbus_add_device(dev, name, unit);
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}
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/*
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* and ppbus?
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*/
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for (i = resource_query_string(-1, "at", "ppbus");
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i != -1;
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i = resource_query_string(i, "at", "ppbus")) {
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unit = resource_query_unit(i);
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name = resource_query_name(i);
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if (resource_int_value(name, unit, "disabled", &disabled) == 0) {
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if (disabled)
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continue;
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}
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ppbus_add_device(dev, name, unit);
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}
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/* Locate our children */
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bus_generic_probe(dev);
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#ifndef DONTPROBE_1284
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/* detect IEEE1284 compliant devices */
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@ -601,4 +540,28 @@ ppb_release_bus(device_t bus, device_t dev)
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return (0);
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}
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static devclass_t ppbus_devclass;
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static device_method_t ppbus_methods[] = {
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/* device interface */
|
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DEVMETHOD(device_probe, ppbus_probe),
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DEVMETHOD(device_attach, ppbus_attach),
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/* bus interface */
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DEVMETHOD(bus_add_child, ppbus_add_child),
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DEVMETHOD(bus_print_child, ppbus_print_child),
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DEVMETHOD(bus_read_ivar, ppbus_read_ivar),
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DEVMETHOD(bus_write_ivar, ppbus_write_ivar),
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DEVMETHOD(bus_setup_intr, ppbus_setup_intr),
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DEVMETHOD(bus_teardown_intr, ppbus_teardown_intr),
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||||
DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource),
|
||||
|
||||
{ 0, 0 }
|
||||
};
|
||||
|
||||
static driver_t ppbus_driver = {
|
||||
"ppbus",
|
||||
ppbus_methods,
|
||||
sizeof(struct ppb_data),
|
||||
};
|
||||
DRIVER_MODULE(ppbus, ppc, ppbus_driver, ppbus_devclass, 0, 0);
|
||||
|
||||
@ -26,10 +26,6 @@
|
||||
* $FreeBSD$
|
||||
*
|
||||
*/
|
||||
#include "ppi.h"
|
||||
|
||||
#if NPPI > 0
|
||||
|
||||
#include "opt_ppb_1284.h"
|
||||
|
||||
#include <sys/param.h>
|
||||
@ -83,26 +79,8 @@ struct ppi_data {
|
||||
#define UNITODEVICE(unit) \
|
||||
(devclass_get_device(ppi_devclass, (unit)))
|
||||
|
||||
static int ppi_probe(device_t);
|
||||
static int ppi_attach(device_t);
|
||||
static void ppiintr(void *arg);
|
||||
|
||||
static devclass_t ppi_devclass;
|
||||
|
||||
static device_method_t ppi_methods[] = {
|
||||
/* device interface */
|
||||
DEVMETHOD(device_probe, ppi_probe),
|
||||
DEVMETHOD(device_attach, ppi_attach),
|
||||
|
||||
{ 0, 0 }
|
||||
};
|
||||
|
||||
static driver_t ppi_driver = {
|
||||
"ppi",
|
||||
ppi_methods,
|
||||
sizeof(struct ppi_data),
|
||||
};
|
||||
|
||||
static d_open_t ppiopen;
|
||||
static d_close_t ppiclose;
|
||||
static d_ioctl_t ppiioctl;
|
||||
@ -155,6 +133,13 @@ ppi_disable_intr(device_t ppidev)
|
||||
|
||||
#endif /* PERIPH_1284 */
|
||||
|
||||
static void
|
||||
ppi_identify(driver_t *driver, device_t parent)
|
||||
{
|
||||
|
||||
BUS_ADD_CHILD(parent, 0, "ppi", 0);
|
||||
}
|
||||
|
||||
/*
|
||||
* ppi_probe()
|
||||
*/
|
||||
@ -162,14 +147,10 @@ static int
|
||||
ppi_probe(device_t dev)
|
||||
{
|
||||
struct ppi_data *ppi;
|
||||
static int once;
|
||||
|
||||
/* probe is always ok */
|
||||
device_set_desc(dev, "Parallel I/O");
|
||||
|
||||
if (!once++)
|
||||
cdevsw_add(&ppi_cdevsw);
|
||||
|
||||
ppi = DEVTOSOFTC(dev);
|
||||
bzero(ppi, sizeof(struct ppi_data));
|
||||
|
||||
@ -574,6 +555,18 @@ ppiioctl(dev_t dev, u_long cmd, caddr_t data, int flags, struct proc *p)
|
||||
return (error);
|
||||
}
|
||||
|
||||
DRIVER_MODULE(ppi, ppbus, ppi_driver, ppi_devclass, 0, 0);
|
||||
static device_method_t ppi_methods[] = {
|
||||
/* device interface */
|
||||
DEVMETHOD(device_identify, ppi_identify),
|
||||
DEVMETHOD(device_probe, ppi_probe),
|
||||
DEVMETHOD(device_attach, ppi_attach),
|
||||
|
||||
#endif /* NPPI */
|
||||
{ 0, 0 }
|
||||
};
|
||||
|
||||
static driver_t ppi_driver = {
|
||||
"ppi",
|
||||
ppi_methods,
|
||||
sizeof(struct ppi_data),
|
||||
};
|
||||
DRIVER_MODULE(ppi, ppbus, ppi_driver, ppi_devclass, 0, 0);
|
||||
|
||||
@ -43,8 +43,6 @@ struct pps_data {
|
||||
void *intr_cookie; /* interrupt registration cookie */
|
||||
};
|
||||
|
||||
static int ppsprobe(device_t dev);
|
||||
static int ppsattach(device_t dev);
|
||||
static void ppsintr(void *arg);
|
||||
|
||||
#define DEVTOSOFTC(dev) \
|
||||
@ -56,20 +54,6 @@ static void ppsintr(void *arg);
|
||||
|
||||
static devclass_t pps_devclass;
|
||||
|
||||
static device_method_t pps_methods[] = {
|
||||
/* device interface */
|
||||
DEVMETHOD(device_probe, ppsprobe),
|
||||
DEVMETHOD(device_attach, ppsattach),
|
||||
|
||||
{ 0, 0 }
|
||||
};
|
||||
|
||||
static driver_t pps_driver = {
|
||||
PPS_NAME,
|
||||
pps_methods,
|
||||
sizeof(struct pps_data),
|
||||
};
|
||||
|
||||
static d_open_t ppsopen;
|
||||
static d_close_t ppsclose;
|
||||
static d_ioctl_t ppsioctl;
|
||||
@ -92,17 +76,20 @@ static struct cdevsw pps_cdevsw = {
|
||||
/* bmaj */ -1
|
||||
};
|
||||
|
||||
static void
|
||||
ppsidentify(driver_t *driver, device_t parent)
|
||||
{
|
||||
|
||||
BUS_ADD_CHILD(parent, 0, PPS_NAME, 0);
|
||||
}
|
||||
|
||||
static int
|
||||
ppsprobe(device_t ppsdev)
|
||||
{
|
||||
struct pps_data *sc;
|
||||
static int once;
|
||||
dev_t dev;
|
||||
int unit;
|
||||
|
||||
if (!once++)
|
||||
cdevsw_add(&pps_cdevsw);
|
||||
|
||||
sc = DEVTOSOFTC(ppsdev);
|
||||
bzero(sc, sizeof(struct pps_data));
|
||||
|
||||
@ -216,4 +203,18 @@ ppsioctl(dev_t dev, u_long cmd, caddr_t data, int flags, struct proc *p)
|
||||
return (pps_ioctl(cmd, data, &sc->pps));
|
||||
}
|
||||
|
||||
static device_method_t pps_methods[] = {
|
||||
/* device interface */
|
||||
DEVMETHOD(device_identify, ppsidentify),
|
||||
DEVMETHOD(device_probe, ppsprobe),
|
||||
DEVMETHOD(device_attach, ppsattach),
|
||||
|
||||
{ 0, 0 }
|
||||
};
|
||||
|
||||
static driver_t pps_driver = {
|
||||
PPS_NAME,
|
||||
pps_methods,
|
||||
sizeof(struct pps_data),
|
||||
};
|
||||
DRIVER_MODULE(pps, ppbus, pps_driver, pps_devclass, 0, 0);
|
||||
|
||||
@ -24,10 +24,8 @@
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* $FreeBSD$
|
||||
*
|
||||
*/
|
||||
|
||||
#ifdef _KERNEL
|
||||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/module.h>
|
||||
@ -35,8 +33,6 @@
|
||||
|
||||
#include <machine/clock.h>
|
||||
|
||||
#endif /* _KERNEL */
|
||||
|
||||
#include <cam/cam.h>
|
||||
#include <cam/cam_ccb.h>
|
||||
#include <cam/cam_sim.h>
|
||||
@ -47,9 +43,7 @@
|
||||
#include <cam/scsi/scsi_message.h>
|
||||
#include <cam/scsi/scsi_da.h>
|
||||
|
||||
#ifdef _KERNEL
|
||||
#include <sys/kernel.h>
|
||||
#endif
|
||||
|
||||
#include "opt_vpo.h"
|
||||
|
||||
@ -81,32 +75,20 @@ struct vpo_data {
|
||||
struct vpoio_data vpo_io; /* interface to low level functions */
|
||||
};
|
||||
|
||||
static int vpo_probe(device_t);
|
||||
static int vpo_attach(device_t);
|
||||
|
||||
#define DEVTOSOFTC(dev) \
|
||||
((struct vpo_data *)device_get_softc(dev))
|
||||
|
||||
static devclass_t vpo_devclass;
|
||||
|
||||
static device_method_t vpo_methods[] = {
|
||||
/* device interface */
|
||||
DEVMETHOD(device_probe, vpo_probe),
|
||||
DEVMETHOD(device_attach, vpo_attach),
|
||||
|
||||
{ 0, 0 }
|
||||
};
|
||||
|
||||
static driver_t vpo_driver = {
|
||||
"vpo",
|
||||
vpo_methods,
|
||||
sizeof(struct vpo_data),
|
||||
};
|
||||
|
||||
/* cam related functions */
|
||||
static void vpo_action(struct cam_sim *sim, union ccb *ccb);
|
||||
static void vpo_poll(struct cam_sim *sim);
|
||||
|
||||
static void
|
||||
vpo_identify(driver_t *driver, device_t parent)
|
||||
{
|
||||
|
||||
BUS_ADD_CHILD(parent, 0, "vpo", 0);
|
||||
}
|
||||
|
||||
/*
|
||||
* vpo_probe()
|
||||
*/
|
||||
@ -437,4 +419,20 @@ vpo_poll(struct cam_sim *sim)
|
||||
return;
|
||||
}
|
||||
|
||||
static devclass_t vpo_devclass;
|
||||
|
||||
static device_method_t vpo_methods[] = {
|
||||
/* device interface */
|
||||
DEVMETHOD(device_identify, vpo_identify),
|
||||
DEVMETHOD(device_probe, vpo_probe),
|
||||
DEVMETHOD(device_attach, vpo_attach),
|
||||
|
||||
{ 0, 0 }
|
||||
};
|
||||
|
||||
static driver_t vpo_driver = {
|
||||
"vpo",
|
||||
vpo_methods,
|
||||
sizeof(struct vpo_data),
|
||||
};
|
||||
DRIVER_MODULE(vpo, ppbus, vpo_driver, vpo_devclass, 0, 0);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user