disable pwm7

hc

2024-05-10 23fa18eaa71266feff7ba8d83022d9e1cc83c65a

 kernel/drivers/gpu/drm/amd/display/dc/gpio/gpio_base.c
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@@ -27,6 +27,8 @@
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  * Pre-requisites: headers required by header of this unit
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  */
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+#include <linux/slab.h>
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+
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 #include "dm_services.h"
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 #include "include/gpio_interface.h"
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@@ -61,14 +63,18 @@
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 	enum gpio_mode mode)
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 {
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 	if (gpio->pin) {
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-		ASSERT_CRITICAL(false);
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+		BREAK_TO_DEBUGGER();
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 		return GPIO_RESULT_ALREADY_OPENED;
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 	}
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+	// No action if allocation failed during gpio construct
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+	if (!gpio->hw_container.ddc) {
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+		BREAK_TO_DEBUGGER();
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+		return GPIO_RESULT_NON_SPECIFIC_ERROR;
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+	}
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 	gpio->mode = mode;
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-	return dal_gpio_service_open(
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-		gpio->service, gpio->id, gpio->en, mode, &gpio->pin);
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+	return dal_gpio_service_open(gpio);
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 }
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 enum gpio_result dal_gpio_get_value(
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@@ -99,6 +105,18 @@
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 	const struct gpio *gpio)
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 {
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 	return gpio->mode;
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+}
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+
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+enum gpio_result dal_gpio_lock_pin(
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+	struct gpio *gpio)
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+{
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+	return dal_gpio_service_lock(gpio->service, gpio->id, gpio->en);
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+}
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+
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+enum gpio_result dal_gpio_unlock_pin(
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+	struct gpio *gpio)
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+{
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+	return dal_gpio_service_unlock(gpio->service, gpio->id, gpio->en);
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 }
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 enum gpio_result dal_gpio_change_mode(
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@@ -217,6 +235,21 @@
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 	return gpio->output_state;
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 }
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+struct hw_ddc *dal_gpio_get_ddc(struct gpio *gpio)
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+{
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+	return gpio->hw_container.ddc;
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+}
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+
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+struct hw_hpd *dal_gpio_get_hpd(struct gpio *gpio)
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+{
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+	return gpio->hw_container.hpd;
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+}
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+
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+struct hw_generic *dal_gpio_get_generic(struct gpio *gpio)
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+{
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+	return gpio->hw_container.generic;
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+}
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+
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 void dal_gpio_close(
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 	struct gpio *gpio)
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 {
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@@ -253,6 +286,30 @@
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 	gpio->mode = GPIO_MODE_UNKNOWN;
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 	gpio->output_state = output_state;
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288
 
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+	//initialize hw_container union based on id
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+	switch (gpio->id) {
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+	case GPIO_ID_DDC_DATA:
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+		gpio->service->factory.funcs->init_ddc_data(&gpio->hw_container.ddc, service->ctx, id, en);
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+		break;
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+	case GPIO_ID_DDC_CLOCK:
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+		gpio->service->factory.funcs->init_ddc_data(&gpio->hw_container.ddc, service->ctx, id, en);
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+		break;
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+	case GPIO_ID_GENERIC:
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+		gpio->service->factory.funcs->init_generic(&gpio->hw_container.generic, service->ctx, id, en);
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+		break;
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+	case GPIO_ID_HPD:
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+		gpio->service->factory.funcs->init_hpd(&gpio->hw_container.hpd, service->ctx, id, en);
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+		break;
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+	// TODO: currently gpio for sync and gsl does not get created, might need it later
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+	case GPIO_ID_SYNC:
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+		break;
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+	case GPIO_ID_GSL:
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+		break;
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+	default:
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+		ASSERT_CRITICAL(false);
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+		gpio->pin = NULL;
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+	}
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+
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 	return gpio;
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 }
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@@ -264,7 +321,32 @@
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 		return;
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 	}
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-	dal_gpio_close(*gpio);
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+	switch ((*gpio)->id) {
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+	case GPIO_ID_DDC_DATA:
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+		kfree((*gpio)->hw_container.ddc);
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+		(*gpio)->hw_container.ddc = NULL;
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+		break;
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+	case GPIO_ID_DDC_CLOCK:
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+		//TODO: might want to change it to init_ddc_clock
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+		kfree((*gpio)->hw_container.ddc);
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+		(*gpio)->hw_container.ddc = NULL;
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+		break;
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+	case GPIO_ID_GENERIC:
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+		kfree((*gpio)->hw_container.generic);
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+		(*gpio)->hw_container.generic = NULL;
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+		break;
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+	case GPIO_ID_HPD:
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+		kfree((*gpio)->hw_container.hpd);
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+		(*gpio)->hw_container.hpd = NULL;
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+		break;
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+	// TODO: currently gpio for sync and gsl does not get created, might need it later
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+	case GPIO_ID_SYNC:
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+		break;
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+	case GPIO_ID_GSL:
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+		break;
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+	default:
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+		break;
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+	}
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 	kfree(*gpio);
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