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update vrc4172 pwm unit codes.(but not yet completly)

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sato 2000-11-11 10:08:12 +00:00
parent 071bf9bca9
commit 47ee1d1c1f
2 changed files with 80 additions and 7 deletions
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82
sys/arch/hpcmips/vr/vrc4172pwm.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: vrc4172pwm.c,v 1.1 2000/11/11 04:42:09 sato Exp $ */
/* $NetBSD: vrc4172pwm.c,v 1.2 2000/11/11 10:08:12 sato Exp $ */
/*
* Copyright (c) 2000 SATO Kazumi. All rights reserved.
@ -62,7 +62,10 @@ static int vrc4172pwm_event __P((void *, int, long, void *));
static int vrc4172pwm_pmevent __P((void *, int, long, void *));
static void vrc4172pwm_dumpreg __P((struct vrc4172pwm_softc *));
static void vrc4172pwm_init_brightness __P((void));
static void vrc4172pwm_init_brightness __P((struct vr4172pwm_softc *));
void vrc4172pwm_light __P((struct vr4172pwm_softc *, int));
int vrc4172pwm_get_brightness __P((struct vr4172pwm_softc *));
void vrc4172pwm_set_brightness __P((struct vr4172pwm_softc *), int);
struct cfattach vrc4172pwm_ca = {
@ -138,10 +141,23 @@ vrc4172pwmattach(parent, self, aux)
CONFIG_HOOK_SHARE,
vrc4172pwm_event, sc);
vr4172pwm_init_brightness();
vr4172pwm_init_brightness(sc);
this_pwm = sc;
}
/*
*
* Initialize PWM brightness parameters
*
*/
void
vrc4172pwm_init_brightness(sc)
{
sc->sc_raw_freq = vrc4172pwm_read(sc, VRC2_PWM_LCDFREQ);
sc->sc_raw_duty = vrc4172pwm_read(sc, VRC2_PWM_LCDDUTY);
sc->sc_param = vrc4172pwm_getparam();
sc->sc_brightness = vrc4172pwm_raw_duty2brightness(sc);
}
/*
* PWM config hook events
@ -159,12 +175,12 @@ vrc4172pwm_event(ctx, type, id, msg)
if (type == CONFIG_HOOK_POWERCONTROL
&& id == CONFIG_HOOK_POWERCONTROL_LCDLIGHT) {
vrc4172pwm_light(why);
vrc4172pwm_light(sc, why);
} else if (type == CONFIG_HOOK_GET
&& id == CONFIG_HOOL_GET_BRIGHTNESS) {
&& id == CONFIG_HOOK_GET_BRIGHTNESS) {
*(int *)msg = vr4172pwm_get_brightness(sc);
} else if (type == CONFIG_HOOK_SET
&& id == CONFIG_HOOL_GET_BRIGHTNESS) {
&& id == CONFIG_HOOK_GET_BRIGHTNESS) {
vr4172pwm_set_brightness(sc, *(int *)msg);
} else
return 1;
@ -191,10 +207,63 @@ vrc4172pwm_pmevent(ctx, type, id, msg)
return 1;
switch (why) {
case PWR_STANBY:
case PWR_SUSPEND:
vrc4172pwm_light(sc, 0);
break;
case PWR_RESUME:
vrc4172pwm_light(sc, 1);
break;
default:
return 1;
}
return (0);
}
/*
*
*/
void
vrc4172pwm_light(sc, on)
struct vrc4172pwm_softc *sc;
int on;
{
if (on)
vrc4172pwm_write(sc, VRC2_PWM_LCDDUTYEN, VRC2_PWM_LCDEN);
else
vrc4172pwm_write(sc, VRC2_PWM_LCDDUTYEN, VRC2_PWM_LCDDIS);
}
/*
* set brightness
*/
void
vrc4172pwm_set_brightness(sc, val)
struct vrc4172pwm_softc *sc;
int val;
{
int raw;
if (val > VRC2_PWM_MAX_BRIGHTNESS)
val = VRC2_PWM_MAX_BRIGHTNESS;
if (val > sc->sc_param->max_brightness)
val = sc->sc_param->max_brightness;
raw = vrc4172pwm_brightness2rawduty(sc, val);
vrc4172pwm_write(sc, VRC2_PWM_LCDDUTY, raw);
sc->sc_brightness = val;
}
/*
* get brightness
*/
int
vrc4172pwm_set_brightness(sc)
struct vrc4172pwm_softc *sc;
{
return sc->sc_brightness;
}
/*
* dump pwm registers
*/
@ -211,4 +280,5 @@ vrc4172pwm_dumpreg(sc)
printf("vrc4172pwm: lightenable = %d, freq = 0x%x, duty = 0x%x\n",
en, freq, duty);
}
/* end */

5
sys/arch/hpcmips/vr/vrc4172pwmvar.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: vrc4172pwmvar.h,v 1.1 2000/11/11 04:42:09 sato Exp $ */
/* $NetBSD: vrc4172pwmvar.h,v 1.2 2000/11/11 10:08:13 sato Exp $ */
/*
* Copyright (c) 2000 SATO Kazumi. All rights reserved.
@ -29,6 +29,7 @@
struct vrc4172pwm_param {
platid_mask_t *mask;
int max_brightness;
int values[VRC2_PWM_MAX_BRIGHTNESS];
};
@ -41,6 +42,8 @@ struct vrc4172pwm_softc {
config_hook_tag sc_sethook;
config_hook_tag sc_pmhook;
int sc_brightness;
int sc_raw_duty;
int sc_raw_freq;
struct vr4172pwm_param *sc_pwm_param;
};