diff options
Diffstat (limited to 'sys/dev/asmc/asmc.c')
| -rw-r--r-- | sys/dev/asmc/asmc.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/sys/dev/asmc/asmc.c b/sys/dev/asmc/asmc.c index f39eef63aef4..4a6734e22786 100644 --- a/sys/dev/asmc/asmc.c +++ b/sys/dev/asmc/asmc.c @@ -58,6 +58,9 @@ #include <dev/acpica/acpivar.h> #include <dev/asmc/asmcvar.h> +#include <dev/backlight/backlight.h> +#include "backlight_if.h" + /* * Device interface. */ @@ -67,6 +70,15 @@ static int asmc_detach(device_t dev); static int asmc_resume(device_t dev); /* + * Backlight interface. + */ +static int asmc_backlight_update_status(device_t dev, + struct backlight_props *props); +static int asmc_backlight_get_status(device_t dev, + struct backlight_props *props); +static int asmc_backlight_get_info(device_t dev, struct backlight_info *info); + +/* * SMC functions. */ static int asmc_init(device_t dev); @@ -581,6 +593,12 @@ static device_method_t asmc_methods[] = { DEVMETHOD(device_attach, asmc_attach), DEVMETHOD(device_detach, asmc_detach), DEVMETHOD(device_resume, asmc_resume), + + /* Backlight interface */ + DEVMETHOD(backlight_update_status, asmc_backlight_update_status), + DEVMETHOD(backlight_get_status, asmc_backlight_get_status), + DEVMETHOD(backlight_get_info, asmc_backlight_get_info), + DEVMETHOD_END }; @@ -609,6 +627,7 @@ static unsigned int light_control = 0; ACPI_PNP_INFO(asmc_ids); DRIVER_MODULE(asmc, acpi, asmc_driver, NULL, NULL); MODULE_DEPEND(asmc, acpi, 1, 1, 1); +MODULE_DEPEND(asmc, backlight, 1, 1, 1); static const struct asmc_model * asmc_match(device_t dev) @@ -800,6 +819,13 @@ asmc_attach(device_t dev) CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_MPSAFE, dev, 0, model->smc_light_control, "I", "Keyboard backlight brightness control"); + + sc->sc_kbd_bkl = backlight_register("asmc", dev); + if (sc->sc_kbd_bkl == NULL) { + device_printf(dev, "Can not register backlight\n"); + ret = ENXIO; + goto err; + } } if (model->smc_sms_x == NULL) @@ -882,6 +908,9 @@ asmc_detach(device_t dev) { struct asmc_softc *sc = device_get_softc(dev); + if (sc->sc_kbd_bkl != NULL) + backlight_destroy(sc->sc_kbd_bkl); + if (sc->sc_sms_tq) { taskqueue_drain(sc->sc_sms_tq, &sc->sc_sms_task); taskqueue_free(sc->sc_sms_tq); @@ -1739,6 +1768,7 @@ static int asmc_mbp_sysctl_light_control(SYSCTL_HANDLER_ARGS) { device_t dev = (device_t)arg1; + struct asmc_softc *sc = device_get_softc(dev); uint8_t buf[2]; int error; int v; @@ -1750,6 +1780,7 @@ asmc_mbp_sysctl_light_control(SYSCTL_HANDLER_ARGS) if (v < 0 || v > 255) return (EINVAL); light_control = v; + sc->sc_kbd_bkl_level = v * 100 / 255; buf[0] = light_control; buf[1] = 0x00; asmc_key_write(dev, ASMC_KEY_LIGHTVALUE, buf, sizeof(buf)); @@ -1817,3 +1848,38 @@ asmc_wol_sysctl(SYSCTL_HANDLER_ARGS) return (0); } + +static int +asmc_backlight_update_status(device_t dev, struct backlight_props *props) +{ + struct asmc_softc *sc = device_get_softc(dev); + uint8_t buf[2]; + + sc->sc_kbd_bkl_level = props->brightness; + light_control = props->brightness * 255 / 100; + buf[0] = light_control; + buf[1] = 0x00; + asmc_key_write(dev, ASMC_KEY_LIGHTVALUE, buf, sizeof(buf)); + + return (0); +} + +static int +asmc_backlight_get_status(device_t dev, struct backlight_props *props) +{ + struct asmc_softc *sc = device_get_softc(dev); + + props->brightness = sc->sc_kbd_bkl_level; + props->nlevels = 0; + + return (0); +} + +static int +asmc_backlight_get_info(device_t dev, struct backlight_info *info) +{ + info->type = BACKLIGHT_TYPE_KEYBOARD; + strlcpy(info->name, "Apple MacBook Keyboard", BACKLIGHTMAXNAMELENGTH); + + return (0); +} |