/*
* Probe for the card. If present the GPIO data would be set.
*/
unsigned int sdhc_get_card_det_status(struct device *dev)
{
if (to_platform_device(dev)->id == 0) {
return mxc_get_gpio_datain(MX31_PIN_STX0);
} else
return mxc_get_gpio_datain(MX31_PIN_DSR_DCE1);
}
/*!
* Get WP pin value to detect write protection
*/
int sdhc_write_protect(struct device *dev)
{
unsigned short rc = 0;
if (to_platform_device(dev)->id == 0)
rc = mxc_get_gpio_datain(MX51_PIN_GPIO1_1);
else
rc = 0;
return rc;
}
/*
* Probe for the card. If present the GPIO data would be set.
*/
unsigned int sdhc_get_card_det_status(struct device *dev)
{
int ret;
if (to_platform_device(dev)->id == 0) {
ret = mxc_get_gpio_datain(MX51_PIN_GPIO1_0);
return ret;
} else { /* config the det pin for SDHC2 */
return 0;
}
}
/*!
* Get CSPI1_SS0 pin value to detect write protection
*/
int sdhc_write_protect(struct device *dev)
{
#if 0
unsigned short rc = 0;
rc = mxc_get_gpio_datain(MX37_PIN_CSPI1_SS0);
if (rc > 0)
return 1;
else
#endif
return 0;
}
int gpio_gps_access(int para)
{
iomux_pin_name_t pin;
pin = (para & 0x1) ? MX51_PIN_EIM_CS2 : MX51_PIN_EIM_CRE;
if (para & 0x4) /* Read GPIO */
return mxc_get_gpio_datain(pin);
else if (para & 0x2) /* Write GPIO */
mxc_set_gpio_dataout(pin, 1);
else
mxc_set_gpio_dataout(pin, 0);
return 0;
}
/*
* Probe for the card. If present the GPIO data would be set.
*/
int sdhc_get_card_det_status(struct device *dev)
{
#if defined(GPIO_SDHC_ENABLE)
int ret;
if (to_platform_device(dev)->id == 0) {
ret = mxc_get_gpio_datain(MX37_PIN_UART1_CTS);
return ret;
} else { /* config the det pin for SDHC2 */
return 0;
}
#endif
}
/*!
* Get irq for gpio pins
* @param pin GPIO pin name
* @param trigger_flag [out] The initial trigger flag.
* @return The irq associated with gpio pin.
*/
u32 get_gpio_irq(iomux_pin_name_t pin, unsigned long* trigger_flag)
{
int val;
mxc_request_iomux(pin, OUTPUTCONFIG_GPIO, INPUTCONFIG_GPIO);
if ((pin != MX31_PIN_DTR_DCE1) && (pin != MX31_PIN_KEY_ROW4))
mxc_iomux_set_pad(pin, PAD_CTL_PKE_NONE);
mxc_set_gpio_direction(pin, 1);
val = mxc_get_gpio_datain(pin);
if (val == 0)
{
// Now the gpio pin is in low electrical level, should be trigger by high
*trigger_flag = IRQF_TRIGGER_RISING;
}
else
{
// Now the gpio pin is in high electrical level, should be trigger by low
*trigger_flag = IRQF_TRIGGER_FALLING;
}
return IOMUX_TO_IRQ(pin);
}
int headphone_det_status(void)
{
return mxc_get_gpio_datain(MX51_PIN_EIM_A26);
}
/*!
* Get SD1_WP ADIN7 of ATLAS pin value to detect write protection
*/
int sdhc_write_protect(struct device *dev)
{
return mxc_get_gpio_datain(MX31_PIN_SIMPD0);
}
static bool bs_hardware_ready(void *unused)
{
return ( !broadsheet_force_hw_not_ready() && mxc_get_gpio_datain(BROADSHEET_HRDY_LINE) );
}
