void mot_system_power_off(void)
{
/* If there's external power, let's restart instead ...
except for the case when phone was powered on with factory cable
and thus has to stay powered off after Turn-Off TCMD INKVSSW-994 */
#ifdef CONFIG_REGULATOR_CPCAP
#ifdef CONFIG_BOOTINFO
if (cpcap_misc_is_ext_power() &&
!((bi_powerup_reason() & PWRUP_FACTORY_CABLE) &&
(bi_powerup_reason() != PWRUP_INVALID)) )
#else
if (cpcap_misc_is_ext_power())
#endif
{
printk("External power detected- rebooting\r\n");
cpcap_misc_clear_power_handoff_info();
tegra_machine_restart(0,"");
while(1);
}
#endif
printk(KERN_ERR "%s(): Powering down system\n", __func__);
/* Disable RTC alarms to prevent unwanted powerups */
class_for_each_device(rtc_class, NULL, NULL, disable_rtc_alarms);
#ifdef CONFIG_REGULATOR_CPCAP
/* Disable powercut detection before power off */
cpcap_disable_powercut();
#endif
/* We need to set the WDI bit low to power down normally */
if (HWREV_TYPE_IS_PORTABLE(system_rev) &&
HWREV_REV(system_rev) >= HWREV_REV_1 &&
HWREV_REV(system_rev) <= HWREV_REV_1C )
{
/* Olympus P1 */
gpio_request(TEGRA_GPIO_PT4, "P1 WDI");
gpio_direction_output(TEGRA_GPIO_PT4, 1);
gpio_set_value(TEGRA_GPIO_PT4, 0);
}
else
{
/* Olympus Mortable, P0, P2 and later */
gpio_request(TEGRA_GPIO_PV7, "P2 WDI");
gpio_direction_output(TEGRA_GPIO_PV7, 1);
gpio_set_value(TEGRA_GPIO_PV7, 0);
}
mdelay(500);
printk("Power-off failed (Factory cable inserted?), rebooting\r\n");
tegra_machine_restart(0,"");
}
void mot_system_power_off(void)
{
/* If there's external power, let's restart instead ...
except for the case when phone was powered on with factory cable
and thus has to stay powered off after Turn-Off TCMD INKVSSW-994 */
if (cpcap_misc_is_ext_power() &&
!((bi_powerup_reason() & PWRUP_FACTORY_CABLE) &&
(bi_powerup_reason() != PWRUP_INVALID)) )
{
printk("External power detected- rebooting\r\n");
cpcap_misc_clear_power_handoff_info();
tegra_machine_restart(0,"");
while(1);
}
printk(KERN_ERR "%s(): Powering down system\n", __func__);
/* Disable RTC alarms to prevent unwanted powerups */
class_for_each_device(rtc_class, NULL, NULL, disable_rtc_alarms);
/* Disable powercut detection before power off */
cpcap_disable_powercut();
/* We need to set the WDI bit low to power down normally */
if (machine_is_olympus())
{
if (HWREV_TYPE_IS_PORTABLE(system_rev) &&
HWREV_REV(system_rev) >= HWREV_REV_1 &&
HWREV_REV(system_rev) <= HWREV_REV_1C )
{
/* Olympus P1 */
gpio_request(TEGRA_GPIO_PT4, "P1 WDI");
gpio_direction_output(TEGRA_GPIO_PT4, 1);
gpio_set_value(TEGRA_GPIO_PT4, 0);
}
else
{
/* Olympus Mortable, P0, P2 and later */
gpio_request(TEGRA_GPIO_PV7, "P2 WDI");
gpio_direction_output(TEGRA_GPIO_PV7, 1);
gpio_set_value(TEGRA_GPIO_PV7, 0);
}
}
else if (machine_is_etna())
{
if ( HWREV_TYPE_IS_BRASSBOARD(system_rev) &&
HWREV_REV(system_rev) == HWREV_REV_1 )
{
// Etna S1
gpio_request(TEGRA_GPIO_PK4, "S1 WDI");
gpio_direction_output(TEGRA_GPIO_PK4, 1);
gpio_set_value(TEGRA_GPIO_PK4, 0);
}
else
{
// Etna S2, P1 and later
gpio_request(TEGRA_GPIO_PT4, "S2 WDI");
gpio_direction_output(TEGRA_GPIO_PT4, 1);
gpio_set_value(TEGRA_GPIO_PT4, 0);
/* Etna P1B-P3C has a gate on WDI */
if ( machine_is_etna() &&
( HWREV_TYPE_IS_PORTABLE(system_rev) &&
( HWREV_REV(system_rev) >= HWREV_REV_1B &&
HWREV_REV(system_rev) < HWREV_REV_4 )))
cpcap_set_wdigate(0);
}
}
else if (machine_is_tegra_daytona())
{
gpio_request(TEGRA_GPIO_PV7, "P2 WDI");
gpio_direction_output(TEGRA_GPIO_PV7, 1);
gpio_set_value(TEGRA_GPIO_PV7, 0);
}
else if (machine_is_sunfire())
{
gpio_request(TEGRA_GPIO_PT4, "S2 WDI");
gpio_direction_output(TEGRA_GPIO_PT4, 1);
gpio_set_value(TEGRA_GPIO_PT4, 0);
cpcap_set_wdigate(0);
}
else
{
printk(KERN_ERR "Could not poweroff. Unkown hardware revision: 0x%x\n", system_rev);
}
mdelay(500);
printk("Power-off failed (Factory cable inserted?), rebooting\r\n");
tegra_machine_restart(0,"");
}
