void
armadillo9iic_bb_set_bits(void *cookie, uint32_t bits)
{
struct armadillo9iic_softc *sc = cookie;
if (bits & (1 << sc->sc_sda))
epgpio_set(sc->sc_gpio, sc->sc_port, sc->sc_sda);
else
epgpio_clear(sc->sc_gpio, sc->sc_port, sc->sc_sda);
if (bits & (1 << sc->sc_scl))
epgpio_set(sc->sc_gpio, sc->sc_port, sc->sc_scl);
else
epgpio_clear(sc->sc_gpio, sc->sc_port, sc->sc_scl);
}
int
epled_red_on(void)
{
struct epled_softc *sc = the_epled_sc;
#ifdef DIAGNOSTIC
if (!sc) {
printf("epled not configured\n");
return (ENXIO);
}
#endif
epgpio_set(sc->sc_gpio, sc->sc_port, sc->sc_red);
return 0;
}
void
armadillo9iic_attach(struct device *parent, struct device *self, void *aux)
{
struct armadillo9iic_softc *sc = (struct armadillo9iic_softc*)self;
struct i2cbus_attach_args iba;
#if NSEEPROM > 0
struct epgpio_attach_args *ga = aux;
#endif
mutex_init(&sc->sc_buslock, MUTEX_DEFAULT, IPL_NONE);
sc->sc_port = ga->ga_port;
sc->sc_sda = ga->ga_bit1;
sc->sc_scl = ga->ga_bit2;
sc->sc_gpio = (struct epgpio_softc *)parent;
armadillo9iic_bbops.ibo_bits[I2C_BIT_SDA] = (1<<sc->sc_sda);
armadillo9iic_bbops.ibo_bits[I2C_BIT_SCL] = (1<<sc->sc_scl);
armadillo9iic_bbops.ibo_bits[I2C_BIT_OUTPUT] = sc->sc_sda;
armadillo9iic_bbops.ibo_bits[I2C_BIT_INPUT] = 0;
sc->sc_i2c.ic_cookie = sc;
sc->sc_i2c.ic_acquire_bus = armadillo9iic_acquire_bus;
sc->sc_i2c.ic_release_bus = armadillo9iic_release_bus;
sc->sc_i2c.ic_send_start = armadillo9iic_send_start;
sc->sc_i2c.ic_send_stop = armadillo9iic_send_stop;
sc->sc_i2c.ic_initiate_xfer = armadillo9iic_initiate_xfer;
sc->sc_i2c.ic_read_byte = armadillo9iic_read_byte;
sc->sc_i2c.ic_write_byte = armadillo9iic_write_byte;
iba.iba_tag = &sc->sc_i2c;
epgpio_in(sc->sc_gpio, sc->sc_port, sc->sc_sda);
epgpio_out(sc->sc_gpio, sc->sc_port, sc->sc_scl);
epgpio_set(sc->sc_gpio, sc->sc_port, sc->sc_scl);
printf("\n");
config_found_ia(&sc->sc_dev, "i2cbus", &iba, iicbus_print);
#if NSEEPROM > 0
/* read mac address */
/* XXX This should probably be done elsewhere, earlier in bootstrap. */
if (seeprom_bootstrap_read(&sc->sc_i2c, 0x50, 0x00, 128,
armadillo9_ethaddr, ETHER_ADDR_LEN) != 0) {
printf("%s: WARNING: unable to read MAC address from SEEPROM\n",
sc->sc_dev.dv_xname);
}
#endif
}
