static void
panel_attach(device_t parent, device_t self, void *aux)
{
struct panel_softc *sc = device_private(self);
struct mainbus_attach_args *maa = aux;
struct hd44780_io io;
static struct lcdkp_xlate keys[] = {
{ 0xfa, 'h' },
{ 0xf6, 'k' },
{ 0xde, 'l' },
{ 0xee, 'j' },
{ 0x7e, 's' },
{ 0xbe, 'e' }
};
sc->sc_lcd.sc_dev = self;
sc->sc_lcd.sc_iot = maa->ma_iot;
if (bus_space_map(sc->sc_lcd.sc_iot, maa->ma_addr, PANEL_REGION,
0, &sc->sc_lcd.sc_ioir)) {
aprint_error(": unable to map registers\n");
return;
}
bus_space_subregion(sc->sc_lcd.sc_iot, sc->sc_lcd.sc_ioir, DATA_OFFSET,
1, &sc->sc_lcd.sc_iodr);
printf("\n");
sc->sc_lcd.sc_dev_ok = 1;
sc->sc_lcd.sc_cols = PANEL_COLS;
sc->sc_lcd.sc_vcols = PANEL_VCOLS;
sc->sc_lcd.sc_flags = HD_8BIT | HD_MULTILINE | HD_KEYPAD;
sc->sc_lcd.sc_writereg = panel_cbt_hdwritereg;
sc->sc_lcd.sc_readreg = panel_cbt_hdreadreg;
hd44780_attach_subr(&sc->sc_lcd);
/* Hello World */
io.dat = 0;
io.len = PANEL_VCOLS * PANEL_ROWS;
memcpy(io.buf, &startup_message, io.len);
hd44780_ddram_io(&sc->sc_lcd, sc->sc_lcd.sc_curchip, &io,
HD_DDRAM_WRITE);
pmf_device_register1(self, NULL, NULL, panel_shutdown);
sc->sc_kp.sc_iot = maa->ma_iot;
sc->sc_kp.sc_ioh = MIPS_PHYS_TO_KSEG1(PANEL_BASE); /* XXX */
sc->sc_kp.sc_knum = sizeof(keys) / sizeof(struct lcdkp_xlate);
sc->sc_kp.sc_kpad = keys;
sc->sc_kp.sc_rread = panel_cbt_kprread;
lcdkp_attach_subr(&sc->sc_kp);
callout_init(&sc->sc_callout, 0);
selinit(&sc->sc_selq);
}
static void
panel_shutdown(void *arg)
{
struct panel_softc *sc = arg;
struct hd44780_io io;
/* Goodbye World */
io.dat = 0;
io.len = PANEL_VCOLS * PANEL_ROWS;
memcpy(io.buf, &shutdown_message, io.len);
hd44780_ddram_io(&sc->sc_lcd, sc->sc_lcd.sc_curchip, &io,
HD_DDRAM_WRITE);
}
static bool
panel_shutdown(device_t self, int howto)
{
struct panel_softc *sc = device_private(self);
struct hd44780_io io;
/* Goodbye World */
io.dat = 0;
io.len = PANEL_VCOLS * PANEL_ROWS;
if (howto & RB_HALT)
memcpy(io.buf, &halt_message, io.len);
else
memcpy(io.buf, &reboot_message, io.len);
hd44780_ddram_io(&sc->sc_lcd, sc->sc_lcd.sc_curchip, &io,
HD_DDRAM_WRITE);
return true;
}
