void
s3c24x0_lcd_free_screen(void *v, void *cookie)
{
struct s3c24x0_lcd_softc *sc = v;
struct s3c24x0_lcd_screen *scr = cookie;
LIST_REMOVE(scr, link);
sc->n_screens--;
if (scr == sc->active) {
sc->active = NULL;
/* XXX: We need a good procedure to shutdown the LCD. */
s3c24x0_lcd_stop_dma(sc);
s3c24x0_lcd_power(sc, 0);
}
if (scr->buf_va)
bus_dmamem_unmap(sc->dma_tag, scr->buf_va, scr->map_size);
if (scr->nsegs > 0)
bus_dmamem_free(sc->dma_tag, scr->segs, scr->nsegs);
free(scr, M_DEVBUF);
}
int
s3c24x0_lcd_ioctl(void *v, void *vs, u_long cmd, void *data, int flag,
struct lwp *l)
{
struct s3c24x0_lcd_softc *sc = v;
struct wsdisplay_fbinfo *wsdisp_info;
struct s3c24x0_lcd_screen *scr;
switch (cmd) {
case WSDISPLAYIO_GTYPE:
*(u_int *)data = WSDISPLAY_TYPE_UNKNOWN; /* XXX */
return 0;
case WSDISPLAYIO_GINFO:
wsdisp_info = (struct wsdisplay_fbinfo *)data;
wsdisp_info->height = sc->panel_info->panel_height;
wsdisp_info->width = sc->panel_info->panel_width;
wsdisp_info->depth = 16; /* XXX */
wsdisp_info->cmsize = 0;
return 0;
case WSDISPLAYIO_GETCMAP:
case WSDISPLAYIO_PUTCMAP:
return EPASSTHROUGH; /* XXX Colormap */
case WSDISPLAYIO_SVIDEO:
if (*(int *)data == WSDISPLAYIO_VIDEO_ON) {
scr = sc->active;
if (scr == NULL)
scr = LIST_FIRST(&sc->screens);
if (scr == NULL)
return ENXIO;
s3c24x0_lcd_show_screen(sc, scr, 1, NULL, NULL);
}
else {
s3c24x0_lcd_stop_dma(sc);
s3c24x0_lcd_power(sc, 0);
}
return 0;
case WSDISPLAYIO_GVIDEO:
*(u_int *)data = sc->lcd_on;
return 0;
case WSDISPLAYIO_GCURPOS:
case WSDISPLAYIO_SCURPOS:
case WSDISPLAYIO_GCURMAX:
case WSDISPLAYIO_GCURSOR:
case WSDISPLAYIO_SCURSOR:
return EPASSTHROUGH; /* XXX */
}
return EPASSTHROUGH;
}
void
lcd_attach(device_t parent, device_t self, void *aux)
{
struct s3c24x0_lcd_softc *sc = device_private(self);
bus_space_tag_t iot = s3c2xx0_softc->sc_iot;
bus_space_handle_t gpio_ioh = s3c2xx0_softc->sc_gpio_ioh;
#if NWSDISPLAY > 0
struct wsemuldisplaydev_attach_args aa;
#else
struct s3c24x0_lcd_screen *screen;
#endif
sc->sc_dev = self;
aprint_normal( "\n" );
/* setup GPIO ports for LCD */
/* XXX: some LCD panels may not need all VD signals */
gpio_ioh = s3c2xx0_softc->sc_gpio_ioh;
bus_space_write_4(iot, gpio_ioh, GPIO_PCUP, ~0);
bus_space_write_4(iot, gpio_ioh, GPIO_PCCON, 0xaaaaaaaa);
bus_space_write_4(iot, gpio_ioh, GPIO_PDUP, ~0);
bus_space_write_4(iot, gpio_ioh, GPIO_PDCON, 0xaaaaaaaa);
s3c24x0_lcd_attach_sub(sc, aux, &samsung_LTS350Q1);
#if NWSDISPLAY > 0
aa.console = 0;
aa.scrdata = &lcd_screen_list;
aa.accessops = &lcd_accessops;
aa.accesscookie = sc;
(void) config_found(self, &aa, wsemuldisplaydevprint);
#else
screen = s3c24x0_lcd_new_screen(sc, 240, 320, 16);
if( screen ){
sc->active = screen;
s3c24x0_lcd_start_dma(sc, screen);
s3c24x0_lcd_power(sc, 1);
}
#endif /* NWSDISPLAY */
}
int
s3c24x0_lcd_show_screen(void *v, void *cookie, int waitok,
void (*cb)(void *, int, int), void *cbarg)
{
struct s3c24x0_lcd_softc *sc = v;
struct s3c24x0_lcd_screen *scr = cookie, *old;
/* XXX: make sure the clock is provided for LCD controller */
old = sc->active;
if (old == scr && sc->lcd_on)
return 0;
if (old)
s3c24x0_lcd_stop_dma(sc);
s3c24x0_lcd_start_dma(sc, scr);
sc->active = scr;
s3c24x0_lcd_power(sc, 1);
/* XXX: callback */
return 0;
}
