From 3fa3f1ab8c248a8a155bda82955601cfdb84d2ae Mon Sep 17 00:00:00 2001
From: Andrey Gusakov <dron0gus@gmail.com>
Date: Mon, 24 Jun 2024 00:36:13 +0300
Subject: [PATCH] gpio: core: implement debug() hook for gpio chips

---
 firmware/hw_layer/drivers/gpio/core.cpp   | 20 ++++++++++++++++++++
 firmware/hw_layer/drivers/gpio/gpio_ext.h |  3 +++
 firmware/hw_layer/pin_repository.cpp      |  2 ++
 3 files changed, 25 insertions(+)

diff --git a/firmware/hw_layer/drivers/gpio/core.cpp b/firmware/hw_layer/drivers/gpio/core.cpp
index efb5450250..915191f19b 100644
--- a/firmware/hw_layer/drivers/gpio/core.cpp
+++ b/firmware/hw_layer/drivers/gpio/core.cpp
@@ -402,6 +402,21 @@ int gpiochips_get_total_pins(void)
 	return cnt;
 }
 
+void gpiochips_debug(void)
+{
+	int i;
+
+	for (i = 0; i < BOARD_EXT_GPIOCHIPS; i++) {
+		gpiochip *chip = &chips[i];
+
+		if (chip->base == Gpio::Unassigned)
+			continue;
+
+		efiPrintf("%s (base %d, size %d):\n", chip->name, (int)chip->base, chip->size);
+		chip->chip->debug();
+	}
+}
+
 #if EFI_PROD_CODE
 
 /**
@@ -476,4 +491,9 @@ int gpiochips_get_total_pins(void)
 	return 0;
 }
 
+void gpiochips_debug(void)
+{
+	return 0;
+}
+
 #endif /* BOARD_EXT_GPIOCHIPS > 0 */
diff --git a/firmware/hw_layer/drivers/gpio/gpio_ext.h b/firmware/hw_layer/drivers/gpio/gpio_ext.h
index 67f5d2773f..221e1cb338 100644
--- a/firmware/hw_layer/drivers/gpio/gpio_ext.h
+++ b/firmware/hw_layer/drivers/gpio/gpio_ext.h
@@ -30,6 +30,7 @@ struct GpioChip {
 	virtual int setPadPWM(size_t /*pin*/, float /*frequency*/, float /*duty*/) { return -1; }
 	virtual brain_pin_diag_e getDiag(size_t /*pin*/) { return PIN_OK; }
 	virtual int deinit() { return 0; }
+	virtual void debug() { }
 
 	/* chip needs reinitialization due to some critical issue */
 	bool						need_init;
@@ -57,6 +58,8 @@ int gpiochips_writePad(brain_pin_e pin, int value);
 int gpiochips_readPad(brain_pin_e pin);
 brain_pin_diag_e gpiochips_getDiag(brain_pin_e pin);
 
+void gpiochips_debug();
+
 #if EFI_PROD_CODE
 hardware_pwm* gpiochip_tryInitPwm(const char* msg, brain_pin_e pin, float frequency, float duty);
 #endif
diff --git a/firmware/hw_layer/pin_repository.cpp b/firmware/hw_layer/pin_repository.cpp
index de36d1e516..9916b6fb3d 100644
--- a/firmware/hw_layer/pin_repository.cpp
+++ b/firmware/hw_layer/pin_repository.cpp
@@ -186,6 +186,8 @@ static void reportPins() {
 	#endif
 
 	efiPrintf("Total pins used: %d", totalPinsUsed);
+
+	gpiochips_debug();
 }
 
 __attribute__((weak)) const char * getBoardSpecificPinName(brain_pin_e /*brainPin*/) {