sravan/system76-embedded-controller
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Fix some power timing

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This commit is contained in:
Jeremy Soller 2019-11-22 14:42:49 -07:00
parent c94bd08986
commit 95f0d47e5a
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GPG Key ID: E988B49EE78A7FB1
1 changed files with 32 additions and 25 deletions
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57
src/board/system76/galp3-c/power.c
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@ -170,6 +170,32 @@ enum PowerState {
void power_event(void) { void power_event(void) {
static enum PowerState state = POWER_STATE_DEFAULT; static enum PowerState state = POWER_STATE_DEFAULT;
// Sync power button state
{
// Read power button state
static bool last = true;
bool new = gpio_get(&PWR_SW_N);
if (!new && last) {
// Ensure press is not spurious
delay_ms(10);
if (gpio_get(&PWR_SW_N) != new) {
DEBUG("Spurious press\n");
new = !new;
} else {
DEBUG("Power switch press\n");
}
}
#if LEVEL >= LEVEL_DEBUG
else if (new && !last) {
DEBUG("Power switch release\n");
}
#endif
// Send power signal to PCH
gpio_set(&PWR_BTN_N, new);
last = new;
}
// Always switch to ds5 if EC is running // Always switch to ds5 if EC is running
if (state == POWER_STATE_DEFAULT) { if (state == POWER_STATE_DEFAULT) {
power_on_ds5(); power_on_ds5();
@ -180,27 +206,6 @@ void power_event(void) {
state = POWER_STATE_S5; state = POWER_STATE_S5;
} }
// Read power button state
static bool last = true;
bool new = gpio_get(&PWR_SW_N);
if (!new && last) {
// Ensure press is not spurious
delay_ms(10);
if (gpio_get(&PWR_SW_N) != new) {
DEBUG("Spurious press\n");
return;
}
DEBUG("Power switch press\n");
}
#if LEVEL >= LEVEL_DEBUG
else if (new && !last) {
DEBUG("Power switch release\n");
}
#endif
// Send power signal to PCH
gpio_set(&PWR_BTN_N, new);
#if DEEP_SX #if DEEP_SX
//TODO //TODO
@ -208,7 +213,9 @@ void power_event(void) {
//TODO: set power state as necessary //TODO: set power state as necessary
// If system power is good // If system power is good
if (gpio_get(&ALL_SYS_PWRGD)) { static bool pg_last = false;
bool pg_new = gpio_get(&ALL_SYS_PWRGD);
if (pg_new && !pg_last) {
DEBUG("ALL_SYS_PWRGD asserted\n"); DEBUG("ALL_SYS_PWRGD asserted\n");
// Allow H_VR_READY to set PCH_PWROK // Allow H_VR_READY to set PCH_PWROK
@ -219,7 +226,7 @@ void power_event(void) {
// Assert SYS_PWROK, system can finally perform PLT_RST# and boot // Assert SYS_PWROK, system can finally perform PLT_RST# and boot
gpio_set(&PCH_PWROK_EC, true); gpio_set(&PCH_PWROK_EC, true);
} else { } else if(!pg_new && pg_last) {
DEBUG("ALL_SYS_PWRGD de-asserted\n"); DEBUG("ALL_SYS_PWRGD de-asserted\n");
// De-assert SYS_PWROK // De-assert SYS_PWROK
@ -229,9 +236,9 @@ void power_event(void) {
gpio_set(&PM_PWROK, false); gpio_set(&PM_PWROK, false);
} }
static bool rst_old = false; static bool rst_last = false;
bool rst_new = gpio_get(&BUF_PLT_RST_N); bool rst_new = gpio_get(&BUF_PLT_RST_N);
if (!rst_old && rst_new) { if (rst_new && !rst_last) {
// LPC was just reset, enable PNP devices // LPC was just reset, enable PNP devices
pnp_enable(); pnp_enable();
//TODO: reset KBC and touchpad states //TODO: reset KBC and touchpad states