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rtc_qmsi: Update save/restore implemntation with new qmsi APIs

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This commit updates the rtc_qmsi driver by modifying the temporary
Zephyr save/restore context implementation and using the new QMSI APIs.

Jira: ZEP-1000
Change-Id: I6f77fe086ea6415a5bc2b2b21874c8a573fd7b44
Signed-off-by: JuanX Solano Menacho <juanx.solano.menacho@intel.com>
Signed-off-by: Iván Briano <ivan.briano@intel.com>
This commit is contained in:
JuanX Solano Menacho 2016-10-27 13:54:33 +02:00 • committed by Anas Nashif
commit dd14b95de0
1 changed files with 21 additions and 3 deletions
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24
drivers/rtc/rtc_qmsi.c
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@ -189,21 +189,37 @@ static int rtc_qmsi_init(struct device *dev)
}
#ifdef CONFIG_DEVICE_POWER_MANAGEMENT
static uint32_t int_rtc_mask_save;
#ifdef CONFIG_SYS_POWER_DEEP_SLEEP
static int rtc_suspend_device(struct device *dev)
{
int_rtc_mask_save = QM_INTERRUPT_ROUTER->rtc_0_int_mask;
rtc_qmsi_set_power_state(dev, DEVICE_PM_SUSPEND_STATE);
return 0;
}
static int rtc_resume_device(struct device *dev)
{
QM_INTERRUPT_ROUTER->rtc_0_int_mask = int_rtc_mask_save;
uint32_t int_rtc_mask;
/* The interrupt router registers are sticky and retain their
* values across warm resets, so we don't need to save them.
* But for wake capable peripherals, if their interrupts are
* configured to be edge sensitive, the wake event will be lost
* by the time the interrupt controller is reconfigured, while
* the interrupt is still pending. By masking and unmasking again
* the corresponding routing register, the interrupt is forwared
* to the core and the ISR will be serviced as expected.
*/
int_rtc_mask = QM_INTERRUPT_ROUTER->rtc_0_int_mask;
QM_INTERRUPT_ROUTER->rtc_0_int_mask = 0xFFFFFFFF;
QM_INTERRUPT_ROUTER->rtc_0_int_mask = int_rtc_mask;
rtc_qmsi_set_power_state(dev, DEVICE_PM_ACTIVE_STATE);
return 0;
}
#endif
/*
* Implements the driver control management functionality
@ -213,11 +229,13 @@ static int rtc_qmsi_device_ctrl(struct device *dev, uint32_t ctrl_command,
void *context)
{
if (ctrl_command == DEVICE_PM_SET_POWER_STATE) {
#ifdef CONFIG_SYS_POWER_DEEP_SLEEP
if (*((uint32_t *)context) == DEVICE_PM_SUSPEND_STATE) {
return rtc_suspend_device(dev);
} else if (*((uint32_t *)context) == DEVICE_PM_ACTIVE_STATE) {
return rtc_resume_device(dev);
}
#endif
} else if (ctrl_command == DEVICE_PM_GET_POWER_STATE) {
*((uint32_t *)context) = rtc_qmsi_get_power_state(dev);
return 0;