| pps.c (184130) | pps.c (185003) |
|---|---|
| 1/*- 2 * ---------------------------------------------------------------------------- 3 * "THE BEER-WARE LICENSE" (Revision 42): 4 * <phk@FreeBSD.org> wrote this file. As long as you retain this notice you 5 * can do whatever you want with this stuff. If we meet some day, and you think 6 * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp 7 * ---------------------------------------------------------------------------- 8 * 9 * 10 * This driver implements a draft-mogul-pps-api-02.txt PPS source. 11 * | 1/*- 2 * ---------------------------------------------------------------------------- 3 * "THE BEER-WARE LICENSE" (Revision 42): 4 * <phk@FreeBSD.org> wrote this file. As long as you retain this notice you 5 * can do whatever you want with this stuff. If we meet some day, and you think 6 * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp 7 * ---------------------------------------------------------------------------- 8 * 9 * 10 * This driver implements a draft-mogul-pps-api-02.txt PPS source. 11 * |
| 12 * The input pin is pin#10 | 12 * The input pin is pin#10 |
| 13 * The echo output pin is pin#14 14 * 15 */ 16 17#include <sys/cdefs.h> | 13 * The echo output pin is pin#14 14 * 15 */ 16 17#include <sys/cdefs.h> |
| 18__FBSDID("$FreeBSD: head/sys/dev/ppbus/pps.c 184130 2008-10-21 18:30:10Z jhb $"); | 18__FBSDID("$FreeBSD: head/sys/dev/ppbus/pps.c 185003 2008-11-16 17:42:02Z jhb $"); |
| 19 20#include <sys/param.h> 21#include <sys/kernel.h> 22#include <sys/systm.h> 23#include <sys/module.h> 24#include <sys/bus.h> 25#include <sys/conf.h> 26#include <sys/timepps.h> --- 224 unchanged lines hidden (view full) --- 251 struct pps_data *sc = arg; 252 int i, j, k, l; 253 254 if (!(sc->busy & ~1)) 255 return; 256 mtx_lock_spin(&sc->mtx); 257 sc->timeout = timeout(ppshcpoll, sc, 1); 258 i = ppb_rdtr(sc->ppbus); | 19 20#include <sys/param.h> 21#include <sys/kernel.h> 22#include <sys/systm.h> 23#include <sys/module.h> 24#include <sys/bus.h> 25#include <sys/conf.h> 26#include <sys/timepps.h> --- 224 unchanged lines hidden (view full) --- 251 struct pps_data *sc = arg; 252 int i, j, k, l; 253 254 if (!(sc->busy & ~1)) 255 return; 256 mtx_lock_spin(&sc->mtx); 257 sc->timeout = timeout(ppshcpoll, sc, 1); 258 i = ppb_rdtr(sc->ppbus); |
| 259 if (i == sc->lastdata) | 259 if (i == sc->lastdata) |
| 260 return; 261 l = sc->lastdata ^ i; 262 k = 1; 263 for (j = 1; j < 9; j ++) { 264 if (l & k) { 265 pps_capture(&sc->pps[j]); 266 pps_event(&sc->pps[j], 267 i & k ? PPS_CAPTUREASSERT : PPS_CAPTURECLEAR); --- 7 unchanged lines hidden (view full) --- 275static int 276ppsintr(void *arg) 277{ 278 struct pps_data *sc = (struct pps_data *)arg; 279 280 pps_capture(&sc->pps[0]); 281 if (!(ppb_rstr(sc->ppbus) & nACK)) 282 return (FILTER_STRAY); | 260 return; 261 l = sc->lastdata ^ i; 262 k = 1; 263 for (j = 1; j < 9; j ++) { 264 if (l & k) { 265 pps_capture(&sc->pps[j]); 266 pps_event(&sc->pps[j], 267 i & k ? PPS_CAPTUREASSERT : PPS_CAPTURECLEAR); --- 7 unchanged lines hidden (view full) --- 275static int 276ppsintr(void *arg) 277{ 278 struct pps_data *sc = (struct pps_data *)arg; 279 280 pps_capture(&sc->pps[0]); 281 if (!(ppb_rstr(sc->ppbus) & nACK)) 282 return (FILTER_STRAY); |
| 283 if (sc->pps[0].ppsparam.mode & PPS_ECHOASSERT) | 283 if (sc->pps[0].ppsparam.mode & PPS_ECHOASSERT) |
| 284 ppb_wctr(sc->ppbus, IRQENABLE | AUTOFEED); 285 mtx_lock_spin(&sc->mtx); 286 pps_event(&sc->pps[0], PPS_CAPTUREASSERT); 287 mtx_unlock_spin(&sc->mtx); | 284 ppb_wctr(sc->ppbus, IRQENABLE | AUTOFEED); 285 mtx_lock_spin(&sc->mtx); 286 pps_event(&sc->pps[0], PPS_CAPTUREASSERT); 287 mtx_unlock_spin(&sc->mtx); |
| 288 if (sc->pps[0].ppsparam.mode & PPS_ECHOASSERT) | 288 if (sc->pps[0].ppsparam.mode & PPS_ECHOASSERT) |
| 289 ppb_wctr(sc->ppbus, IRQENABLE); 290 return (FILTER_HANDLED); 291} 292 293static int 294ppsioctl(struct cdev *dev, u_long cmd, caddr_t data, int flags, struct thread *td) 295{ 296 struct pps_data *sc = dev->si_drv1; --- 25 unchanged lines hidden --- | 289 ppb_wctr(sc->ppbus, IRQENABLE); 290 return (FILTER_HANDLED); 291} 292 293static int 294ppsioctl(struct cdev *dev, u_long cmd, caddr_t data, int flags, struct thread *td) 295{ 296 struct pps_data *sc = dev->si_drv1; --- 25 unchanged lines hidden --- |