diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/pckbc/pms.c | 144 |
1 files changed, 117 insertions, 27 deletions
diff --git a/sys/dev/pckbc/pms.c b/sys/dev/pckbc/pms.c index 32b2a04e0e9..0133451f9b8 100644 --- a/sys/dev/pckbc/pms.c +++ b/sys/dev/pckbc/pms.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pms.c,v 1.12 2010/11/05 16:10:49 krw Exp $ */ +/* $OpenBSD: pms.c,v 1.13 2010/11/15 13:51:20 krw Exp $ */ /* $NetBSD: psm.c,v 1.11 2000/06/05 22:20:57 sommerfeld Exp $ */ /*- @@ -38,6 +38,8 @@ #include <dev/wscons/wsconsio.h> #include <dev/wscons/wsmousevar.h> +#define DEVNAME(sc) ((sc)->sc_dev.dv_xname) + struct pms_softc { /* driver status information */ struct device sc_dev; @@ -74,6 +76,14 @@ int pms_enable(void *); void pms_disable(void *); int pms_cmd(struct pms_softc *, u_char *, int, u_char *, int); +int pms_get_devid(struct pms_softc *, u_char *); +int pms_get_status(struct pms_softc *, u_char *); +int pms_set_rate(struct pms_softc *, int); +int pms_set_resolution(struct pms_softc *, int); +int pms_set_scaling(struct pms_softc *, int); +int pms_reset(struct pms_softc *); +int pms_dev_enable(struct pms_softc *); +int pms_dev_disable(struct pms_softc *); int pms_setintellimode(struct pms_softc *sc); @@ -96,23 +106,113 @@ pms_cmd(struct pms_softc *sc, u_char *cmd, int len, u_char *resp, int resplen) } int -pms_setintellimode(struct pms_softc *sc) +pms_get_devid(struct pms_softc *sc, u_char *resp) +{ + u_char cmd[1]; + + cmd[0] = PMS_SEND_DEV_ID; + return (pms_cmd(sc, cmd, 1, resp, 1)); +} + +int +pms_get_status(struct pms_softc *sc, u_char *resp) { - u_char cmd[2], resp[1]; - int i, res; - static const u_char rates[] = {200, 100, 80}; + u_char cmd[1]; + + cmd[0] = PMS_SEND_DEV_STATUS; + return (pms_cmd(sc, cmd, 1, resp, 3)); +} + +int +pms_set_rate(struct pms_softc *sc, int value) +{ + u_char cmd[2]; cmd[0] = PMS_SET_SAMPLE; - for (i = 0; i < 3; i++) { - cmd[1] = rates[i]; - res = pms_cmd(sc, cmd, 2, NULL, 0); - if (res) - return (0); + cmd[1] = value; + return (pms_cmd(sc, cmd, 2, NULL, 0)); +} + +int +pms_set_resolution(struct pms_softc *sc, int value) +{ + u_char cmd[2]; + + cmd[0] = PMS_SET_RES; + cmd[1] = value; + return (pms_cmd(sc, cmd, 2, NULL, 0)); +} + +int +pms_set_scaling(struct pms_softc *sc, int scale) +{ + u_char cmd[1]; + + switch (scale) { + case 1: + default: + cmd[0] = PMS_SET_SCALE11; + break; + case 2: + cmd[0] = PMS_SET_SCALE21; + break; } + return (pms_cmd(sc, cmd, 1, NULL, 0)); +} - cmd[0] = PMS_SEND_DEV_ID; - res = pms_cmd(sc, cmd, 1, resp, 1); - if (res || resp[0] != 3) +int +pms_reset(struct pms_softc *sc) +{ + u_char cmd[1], resp[2]; + int res; + + cmd[0] = PMS_RESET; + res = pms_cmd(sc, cmd, 1, resp, 2); +#ifdef DEBUG + if (res || resp[0] != PMS_RSTDONE || resp[1] != 0) + printf("%s: reset error %d (response 0x%02x, type 0x%02x)\n", + DEVNAME(sc), res, resp[0], resp[1]); +#endif + return (res); +} + +int +pms_dev_enable(struct pms_softc *sc) +{ + u_char cmd[1]; + int res; + + cmd[0] = PMS_DEV_ENABLE; + res = pms_cmd(sc, cmd, 1, NULL, 0); + if (res) + printf("%s: enable error\n", DEVNAME(sc)); + return (res); +} + +int +pms_dev_disable(struct pms_softc *sc) +{ + u_char cmd[1]; + int res; + + cmd[0] = PMS_DEV_DISABLE; + res = pms_cmd(sc, cmd, 1, NULL, 0); + if (res) + printf("%s: disable error\n", DEVNAME(sc)); + return (res); +} + +int +pms_setintellimode(struct pms_softc *sc) +{ + static const int rates[] = {200, 100, 80}; + u_char resp; + + if (pms_set_rate(sc, rates[0]) || + pms_set_rate(sc, rates[1]) || + pms_set_rate(sc, rates[2]) || + pms_get_devid(sc, &resp) || + resp != 0x03) return (0); return (1); @@ -158,7 +258,7 @@ pmsattach(struct device *parent, struct device *self, void *aux) printf("\n"); pckbc_set_inputhandler(sc->sc_kbctag, sc->sc_kbcslot, - pmsinput, sc, sc->sc_dev.dv_xname); + pmsinput, sc, DEVNAME(sc)); a.accessops = &pms_accessops; a.accesscookie = sc; @@ -197,9 +297,6 @@ pmsactivate(struct device *self, int act) int pms_change_state(struct pms_softc *sc, int newstate) { - u_char cmd[1], resp[2]; - int res; - switch (newstate) { case PMS_STATE_ENABLED: if (sc->sc_state == PMS_STATE_ENABLED) @@ -213,22 +310,15 @@ pms_change_state(struct pms_softc *sc, int newstate) if (sc->poll) pckbc_flush(sc->sc_kbctag, sc->sc_kbcslot); - cmd[0] = PMS_RESET; - res = pms_cmd(sc, cmd, 1, resp, 2); + pms_reset(sc); sc->intelli = pms_setintellimode(sc); - cmd[0] = PMS_DEV_ENABLE; - res = pms_cmd(sc, cmd, 1, NULL, 0); - if (res) - printf("pms_enable: command error\n"); + pms_dev_enable(sc); break; case PMS_STATE_DISABLED: case PMS_STATE_SUSPENDED: - cmd[0] = PMS_DEV_DISABLE; - res = pms_cmd(sc, cmd, 1, NULL, 0); - if (res) - printf("pms_disable: command error\n"); + pms_dev_disable(sc); pckbc_slot_enable(sc->sc_kbctag, sc->sc_kbcslot, 0); break; } |