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Add experimental display switching support.

This commit is contained in:
jmcneill 2007-12-22 13:06:30 +00:00
parent 43e74e4cc8
commit 6fffc8ef3c
1 changed files with 60 additions and 5 deletions
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65
sys/dev/acpi/thinkpad_acpi.c
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@ -1,4 +1,4 @@
/* $NetBSD: thinkpad_acpi.c,v 1.7 2007/12/22 03:19:29 jmcneill Exp $ */
/* $NetBSD: thinkpad_acpi.c,v 1.8 2007/12/22 13:06:30 jmcneill Exp $ */
/*-
* Copyright (c) 2007 Jared D. McNeill <jmcneill@invisible.ca>
@ -33,7 +33,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: thinkpad_acpi.c,v 1.7 2007/12/22 03:19:29 jmcneill Exp $");
__KERNEL_RCSID(0, "$NetBSD: thinkpad_acpi.c,v 1.8 2007/12/22 13:06:30 jmcneill Exp $");
#include <sys/types.h>
#include <sys/param.h>
@ -69,6 +69,8 @@ typedef struct thinkpad_softc {
struct sysmon_envsys *sc_sme;
envsys_data_t sc_sensor[THINKPAD_NSENSORS];
int sc_display_state;
} thinkpad_softc_t;
/* Hotkey events */
@ -95,6 +97,12 @@ typedef struct thinkpad_softc {
#define THINKPAD_HKEY_VERSION 0x0100
#define THINKPAD_DISPLAY_LCD 0x01
#define THINKPAD_DISPLAY_CRT 0x02
#define THINKPAD_DISPLAY_DVI 0x08
#define THINKPAD_DISPLAY_ALL \
(THINKPAD_DISPLAY_LCD | THINKPAD_DISPLAY_CRT | THINKPAD_DISPLAY_DVI)
static int thinkpad_match(device_t, struct cfdata *, void *);
static void thinkpad_attach(device_t, device_t, void *);
@ -107,6 +115,8 @@ static void thinkpad_temp_refresh(struct sysmon_envsys *, envsys_data_t *);
static void thinkpad_wireless_toggle(thinkpad_softc_t *);
static void thinkpad_display_cycle(thinkpad_softc_t *);
static void thinkpad_brightness_up(device_t);
static void thinkpad_brightness_down(device_t);
static uint8_t thinkpad_brightness_read(thinkpad_softc_t *sc);
@ -160,6 +170,7 @@ thinkpad_attach(device_t parent, device_t self, void *opaque)
sc->sc_node = aa->aa_node;
sc->sc_dev = self;
sc->sc_display_state = THINKPAD_DISPLAY_LCD;
aprint_naive("\n");
aprint_normal("\n");
@ -297,9 +308,7 @@ thinkpad_get_hotkeys(void *opaque)
thinkpad_brightness_down(self);
break;
case THINKPAD_NOTIFY_DisplayCycle:
#if notyet
pmf_event_inject(NULL, PMFE_DISPLAY_CYCLE);
#endif
thinkpad_display_cycle(sc);
break;
case THINKPAD_NOTIFY_WirelessSwitch:
thinkpad_wireless_toggle(sc);
@ -444,6 +453,52 @@ thinkpad_wireless_toggle(thinkpad_softc_t *sc)
(void)AcpiEvaluateObject(sc->sc_node->ad_handle, "BTGL", NULL, NULL);
}
static void
thinkpad_display_cycle(thinkpad_softc_t *sc)
{
ACPI_OBJECT param[2];
ACPI_OBJECT_LIST params;
ACPI_STATUS rv;
/* Select the next display state */
switch (sc->sc_display_state) {
case THINKPAD_DISPLAY_LCD:
sc->sc_display_state = THINKPAD_DISPLAY_CRT;
aprint_normal_dev(sc->sc_dev, "switching to CRT\n");
break;
case THINKPAD_DISPLAY_CRT:
sc->sc_display_state = THINKPAD_DISPLAY_DVI;
aprint_normal_dev(sc->sc_dev, "switching to DVI\n");
break;
case THINKPAD_DISPLAY_DVI:
sc->sc_display_state = THINKPAD_DISPLAY_ALL;
aprint_normal_dev(sc->sc_dev, "switching to LCD,CRT,DVI\n");
break;
case THINKPAD_DISPLAY_ALL:
sc->sc_display_state = THINKPAD_DISPLAY_LCD;
aprint_normal_dev(sc->sc_dev, "switching to LCD\n");
break;
}
param[0].Type = param[1].Type = ACPI_TYPE_INTEGER;
params.Pointer = param;
params.Count = 1;
param[0].Integer.Value = 0x80;
rv = AcpiEvaluateObject(NULL, "\\VUPS", &params, NULL);
if (ACPI_FAILURE(rv))
aprint_error_dev(sc->sc_dev, "couldn't evaluate \\VUPS: %s\n",
AcpiFormatException(rv));
params.Count = 2;
param[0].Integer.Value = sc->sc_display_state;
param[1].Integer.Value = 1;
rv = AcpiEvaluateObject(NULL, "\\VSDS", &params, NULL);
if (ACPI_FAILURE(rv))
aprint_error_dev(sc->sc_dev, "couldn't evaluate \\VSDS: %s\n",
AcpiFormatException(rv));
}
static uint8_t
thinkpad_brightness_read(thinkpad_softc_t *sc)
{