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i.MX31 - Dethreading operations continue

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Dispense with "pmic" thread and process PMIC events directly within ISR. Add
sense bit reading as part of the handling.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31528 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2012-01-02 18:32:35 +00:00
parent 1f0e653038
commit 5a8da163c8
9 changed files with 213 additions and 202 deletions
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33
firmware/target/arm/imx31/gigabeat-s/power-gigabeat-s.c
View file

@ -33,7 +33,7 @@
#include "fmradio_i2c.h"
#endif
static unsigned int power_status = POWER_INPUT_NONE;
static unsigned long power_status = POWER_INPUT_NONE;
/* Detect which power sources are present. */
unsigned int power_input_status(void)
@ -58,24 +58,28 @@ void usb_charging_maxcurrent_change(int maxcurrent)
/* Nothing to do */
}
/* Detect changes in presence of the AC adaptor. */
void charger_main_detect_event(void)
/* Helper to update the charger status */
static void update_main_charger(bool present)
{
if (mc13783_read(MC13783_INTERRUPT_SENSE0) & MC13783_SE1S)
power_status |= POWER_INPUT_MAIN_CHARGER;
else
power_status &= ~POWER_INPUT_MAIN_CHARGER;
bitmod32(&power_status, present ? POWER_INPUT_MAIN_CHARGER : 0,
POWER_INPUT_MAIN_CHARGER);
}
/* Detect changes in USB bus power. Called from usb connect event handler. */
/* Detect changes in presence of the AC adaptor. Called from PMIC ISR. */
void charger_main_detect_event(void)
{
update_main_charger(mc13783_event_sense(MC13783_INT_ID_SE1)
& MC13783_SE1S);
}
/* Detect changes in USB bus power. Called from usb connect event ISR. */
void charger_usb_detect_event(int status)
{
/* USB plugged does not imply charging is possible or even
* powering the device to maintain the battery. */
if (status == USB_INSERTED)
power_status |= POWER_INPUT_USB_CHARGER;
else
power_status &= ~POWER_INPUT_USB_CHARGER;
bitmod32(&power_status,
status == USB_INSERTED ? POWER_INPUT_USB_CHARGER : 0,
POWER_INPUT_USB_CHARGER);
}
/* charging_state is implemented in powermgmt-imx31.c */
@ -152,8 +156,9 @@ void power_init(void)
#endif
/* Poll initial state */
charger_main_detect_event();
update_main_charger(mc13783_read(MC13783_INTERRUPT_SENSE0)
& MC13783_SE1S);
/* Enable detect event */
mc13783_enable_event(MC13783_SE1_EVENT);
mc13783_enable_event(MC13783_SE1_EVENT, true);
}