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add screen blanking support

This commit is contained in:
macallan 2007-09-01 03:45:14 +00:00
parent aade2db1a7
commit f9794c16db
1 changed files with 37 additions and 10 deletions
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47
sys/dev/sbus/agten.c
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@ -1,4 +1,4 @@
/* $NetBSD: agten.c,v 1.5 2007/08/30 04:18:18 macallan Exp $ */
/* $NetBSD: agten.c,v 1.6 2007/09/01 03:45:14 macallan Exp $ */
/*-
* Copyright (c) 2007 Michael Lorenz
@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: agten.c,v 1.5 2007/08/30 04:18:18 macallan Exp $");
__KERNEL_RCSID(0, "$NetBSD: agten.c,v 1.6 2007/09/01 03:45:14 macallan Exp $");
/*
* a driver for the Fujitsu AG-10e SBus framebuffer
@ -113,6 +113,7 @@ struct agten_softc {
int sc_cursor_x;
int sc_cursor_y;
int sc_video; /* video output enabled */
/* some /dev/fb* stuff */
int sc_fb_is_open;
@ -120,7 +121,6 @@ struct agten_softc {
union bt_cmap sc_cmap; /* Brooktree color map */
int sc_mode;
int sc_video, sc_powerstate;
uint32_t sc_bg;
struct vcons_data vd;
};
@ -149,8 +149,8 @@ static int agten_do_cursor(struct agten_softc *sc,
static int agten_do_sun_cursor(struct agten_softc *sc,
struct fbcursor *);
uint16_t util_interleave(uint8_t, uint8_t);
uint16_t util_interleave_lin(uint8_t, uint8_t);
static uint16_t util_interleave(uint8_t, uint8_t);
static uint16_t util_interleave_lin(uint8_t, uint8_t);
extern const u_char rasops_cmap[768];
@ -237,6 +237,7 @@ agten_attach(struct device *parent, struct device *dev, void *aux)
sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens};
sc->sc_mode = WSDISPLAYIO_MODE_EMUL;
sc->sc_fb_is_open = 0;
sc->sc_video = -1;
sc->sc_bustag = sa->sa_bustag;
#if 0
sc->sc_shadowfb = malloc(sc->sc_fbsize, M_DEVBUF, M_WAITOK);
@ -348,7 +349,7 @@ agten_attach(struct device *parent, struct device *dev, void *aux)
fb->fb_type.fb_depth = 32;
fb->fb_linebytes = sc->sc_stride;
fb_attach(fb, console);
agten_set_video(sc, 1); /* make sure video's on */
}
static int
@ -376,6 +377,14 @@ agten_ioctl(void *v, void *vs, u_long cmd, void *data, int flag,
wdf->cmsize = 256;
return 0;
case WSDISPLAYIO_GVIDEO:
*(int *)data = sc->sc_video;
return 0;
case WSDISPLAYIO_SVIDEO:
agten_set_video(sc, *(int *)data);
return 0;
case WSDISPLAYIO_GETCMAP:
return agten_getcmap(sc,
(struct wsdisplay_cmap *)data);
@ -607,6 +616,11 @@ agten_init(struct agten_softc *sc)
agten_write_idx(sc, IBM561_CONFIG_REG1);
agten_write_dac(sc, IBM561_CMD, 0x2c);
/* use internal PLL, enable video output */
agten_write_idx(sc, IBM561_CONFIG_REG2);
agten_write_dac(sc, IBM561_CMD, CR2_ENABLE_CLC | CR2_PLL_REF_SELECT |
CR2_PIXEL_CLOCK_SELECT | CR2_ENABLE_RGB_OUTPUT);
/* now set up some window attributes */
/*
@ -661,14 +675,24 @@ agten_gfx(struct agten_softc *sc)
static void
agten_set_video(struct agten_softc *sc, int flag)
{
/* not there yet */
uint8_t reg =
CR2_ENABLE_CLC | CR2_PLL_REF_SELECT | CR2_PIXEL_CLOCK_SELECT;
if (flag == sc->sc_video)
return;
agten_write_idx(sc, IBM561_CONFIG_REG2);
agten_write_dac(sc, IBM561_CMD, flag ? reg | CR2_ENABLE_RGB_OUTPUT :
reg);
sc->sc_video = flag;
}
static int
agten_get_video(struct agten_softc *sc)
{
/* since we don't turn video off yet */
return 1;
return sc->sc_video;
}
static void
@ -886,7 +910,10 @@ util_interleave_lin(uint8_t b1, uint8_t b2)
static void
agten_fb_unblank(struct device *dev)
{
/* nothing yet */
struct agten_softc *sc = (void *)dev;
agten_init(sc);
agten_set_video(sc, 1);
}
static int