uint8 mdc_int_get(mdc_slot_t slot)
{
uint8 ret = 0;
switch(slot){
case SLOT_1:
ret = GPIO_PIN_GET(MDC_INTM0_PORT, MDC_INTM0_PIN);
break;
case SLOT_2:
ret = GPIO_PIN_GET(MDC_INTM1_PORT, MDC_INTM1_PIN);
break;
default:
break;
}
return ret;
}
static int
rb_nand_read_rnb(device_t dev)
{
struct rb_nand_softc *sc;
uint32_t rdy_bit;
sc = device_get_softc(dev);
GPIO_PIN_GET(sc->sc_gpio, sc->sc_rdy_pin, &rdy_bit);
return (rdy_bit); /* ready */
}
static int
gpiobus_pin_get(device_t dev, device_t child, uint32_t pin,
unsigned int *value)
{
struct gpiobus_softc *sc = GPIOBUS_SOFTC(dev);
struct gpiobus_ivar *devi = GPIOBUS_IVAR(child);
if (pin >= devi->npins)
return (EINVAL);
return GPIO_PIN_GET(sc->sc_dev, devi->pins[pin], value);
}
int
gpio_pin_is_active(gpio_pin_t pin, bool *active)
{
int rv;
uint32_t tmp;
KASSERT(pin != NULL, ("GPIO pin is NULL."));
KASSERT(pin->dev != NULL, ("GPIO pin device is NULL."));
rv = GPIO_PIN_GET(pin->dev, pin->pin, &tmp);
if (rv != 0) {
return (rv);
}
*active = tmp != 0;
if (pin->flags & GPIO_ACTIVE_LOW)
*active = !(*active);
return (0);
}
/**
* ti_mmchs_get_ro - returns the status of the read-only setting
* @brdev: mmc bridge device handle
* @reqdev: device doing the request
*
* This function is relies on hint'ed values to determine which GPIO is used
* to determine if the write protect is enabled. On the BeagleBoard the pin
* is GPIO_23.
*
* LOCKING:
* -
*
* RETURNS:
* 0 if not read-only
* 1 if read only
*/
static int
ti_mmchs_get_ro(device_t brdev, device_t reqdev)
{
struct ti_mmchs_softc *sc = device_get_softc(brdev);
unsigned int readonly = 0;
TI_MMCHS_LOCK(sc);
if ((sc->sc_wp_gpio_pin != -1) && (sc->sc_gpio_dev != NULL)) {
if (GPIO_PIN_GET(sc->sc_gpio_dev, sc->sc_wp_gpio_pin, &readonly) != 0)
readonly = 0;
else
readonly = (readonly == 0) ? 0 : 1;
}
TI_MMCHS_UNLOCK(sc);
return (readonly);
}
static int
gpioc_ioctl(struct cdev *cdev, u_long cmd, caddr_t arg, int fflag,
struct thread *td)
{
device_t bus;
int max_pin, res;
struct gpioc_softc *sc = cdev->si_drv1;
struct gpio_pin pin;
struct gpio_req req;
uint32_t caps;
bus = GPIO_GET_BUS(sc->sc_pdev);
if (bus == NULL)
return (EINVAL);
switch (cmd) {
case GPIOMAXPIN:
max_pin = -1;
res = GPIO_PIN_MAX(sc->sc_pdev, &max_pin);
bcopy(&max_pin, arg, sizeof(max_pin));
break;
case GPIOGETCONFIG:
bcopy(arg, &pin, sizeof(pin));
dprintf("get config pin %d\n", pin.gp_pin);
res = GPIO_PIN_GETFLAGS(sc->sc_pdev, pin.gp_pin,
&pin.gp_flags);
/* Fail early */
if (res)
break;
GPIO_PIN_GETCAPS(sc->sc_pdev, pin.gp_pin, &pin.gp_caps);
GPIOBUS_PIN_GETNAME(bus, pin.gp_pin, pin.gp_name);
bcopy(&pin, arg, sizeof(pin));
break;
case GPIOSETCONFIG:
bcopy(arg, &pin, sizeof(pin));
dprintf("set config pin %d\n", pin.gp_pin);
res = GPIO_PIN_GETCAPS(sc->sc_pdev, pin.gp_pin, &caps);
if (res == 0)
res = gpio_check_flags(caps, pin.gp_flags);
if (res == 0)
res = GPIO_PIN_SETFLAGS(sc->sc_pdev, pin.gp_pin,
pin.gp_flags);
break;
case GPIOGET:
bcopy(arg, &req, sizeof(req));
res = GPIO_PIN_GET(sc->sc_pdev, req.gp_pin,
&req.gp_value);
dprintf("read pin %d -> %d\n",
req.gp_pin, req.gp_value);
bcopy(&req, arg, sizeof(req));
break;
case GPIOSET:
bcopy(arg, &req, sizeof(req));
res = GPIO_PIN_SET(sc->sc_pdev, req.gp_pin,
req.gp_value);
dprintf("write pin %d -> %d\n",
req.gp_pin, req.gp_value);
break;
case GPIOTOGGLE:
bcopy(arg, &req, sizeof(req));
dprintf("toggle pin %d\n",
req.gp_pin);
res = GPIO_PIN_TOGGLE(sc->sc_pdev, req.gp_pin);
break;
case GPIOSETNAME:
bcopy(arg, &pin, sizeof(pin));
dprintf("set name on pin %d\n", pin.gp_pin);
res = GPIOBUS_PIN_SETNAME(bus, pin.gp_pin,
pin.gp_name);
break;
default:
return (ENOTTY);
break;
}
return (res);
}
/* read char from the keyboard */
static uint32_t
ckb_read_char_locked(keyboard_t *kbd, int wait)
{
struct ckb_softc *sc;
int i,j;
uint16_t key;
int oldbit;
int newbit;
int status;
sc = kbd->kb_data;
CKB_CTX_LOCK_ASSERT();
if (!KBD_IS_ACTIVE(kbd))
return (NOKEY);
if (sc->sc_repeating) {
sc->sc_repeating = 0;
callout_reset(&sc->sc_repeat_callout, hz / 10,
ckb_repeat, sc);
return (sc->sc_repeat_key);
};
if (sc->sc_flags & CKB_FLAG_POLLING) {
for (;;) {
GPIO_PIN_GET(sc->gpio_dev, sc->gpio, &status);
if (status == 0) {
if (ec_command(EC_CMD_MKBP_STATE, sc->scan,
sc->cols,
sc->scan, sc->cols)) {
return (NOKEY);
}
break;
}
if (!wait) {
return (NOKEY);
}
DELAY(1000);
}
};
for (i = 0; i < sc->cols; i++) {
for (j = 0; j < sc->rows; j++) {
oldbit = (sc->scan_local[i] & (1 << j));
newbit = (sc->scan[i] & (1 << j));
if (oldbit == newbit)
continue;
key = keymap_read(sc, i, j);
if (key == 0) {
continue;
};
if (newbit > 0) {
/* key pressed */
sc->scan_local[i] |= (1 << j);
/* setup repeating */
sc->sc_repeat_key = key;
callout_reset(&sc->sc_repeat_callout,
hz / 2, ckb_repeat, sc);
} else {
/* key released */
sc->scan_local[i] &= ~(1 << j);
/* release flag */
key |= 0x80;
/* unsetup repeating */
sc->sc_repeat_key = -1;
callout_stop(&sc->sc_repeat_callout);
}
return (key);
}
}
return (NOKEY);
}