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path: root/drivers/gpu/drm/amd/display/dc/gpio/hw_hpd.c
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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/gpio/hw_hpd.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/gpio/hw_hpd.c67
1 files changed, 27 insertions, 40 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/gpio/hw_hpd.c b/drivers/gpu/drm/amd/display/dc/gpio/hw_hpd.c
index 784feccc5853..01ec451004f7 100644
--- a/drivers/gpu/drm/amd/display/dc/gpio/hw_hpd.c
+++ b/drivers/gpu/drm/amd/display/dc/gpio/hw_hpd.c
@@ -25,6 +25,7 @@
#include "dm_services.h"
+#include "include/gpio_interface.h"
#include "include/gpio_types.h"
#include "hw_gpio.h"
#include "hw_hpd.h"
@@ -41,14 +42,7 @@
#define REG(reg)\
(hpd->regs->reg)
-static void dal_hw_hpd_construct(
- struct hw_hpd *pin,
- enum gpio_id id,
- uint32_t en,
- struct dc_context *ctx)
-{
- dal_hw_gpio_construct(&pin->base, id, en, ctx);
-}
+struct gpio;
static void dal_hw_hpd_destruct(
struct hw_hpd *pin)
@@ -56,26 +50,19 @@ static void dal_hw_hpd_destruct(
dal_hw_gpio_destruct(&pin->base);
}
-
-static void destruct(
- struct hw_hpd *hpd)
-{
- dal_hw_hpd_destruct(hpd);
-}
-
-static void destroy(
+static void dal_hw_hpd_destroy(
struct hw_gpio_pin **ptr)
{
struct hw_hpd *hpd = HW_HPD_FROM_BASE(*ptr);
- destruct(hpd);
+ dal_hw_hpd_destruct(hpd);
kfree(hpd);
*ptr = NULL;
}
-static enum gpio_result get_value(
+static enum gpio_result dal_hw_hpd_get_value(
const struct hw_gpio_pin *ptr,
uint32_t *value)
{
@@ -98,7 +85,7 @@ static enum gpio_result get_value(
return dal_hw_gpio_get_value(ptr, value);
}
-static enum gpio_result set_config(
+static enum gpio_result dal_hw_hpd_set_config(
struct hw_gpio_pin *ptr,
const struct gpio_config_data *config_data)
{
@@ -115,48 +102,48 @@ static enum gpio_result set_config(
}
static const struct hw_gpio_pin_funcs funcs = {
- .destroy = destroy,
+ .destroy = dal_hw_hpd_destroy,
.open = dal_hw_gpio_open,
- .get_value = get_value,
+ .get_value = dal_hw_hpd_get_value,
.set_value = dal_hw_gpio_set_value,
- .set_config = set_config,
+ .set_config = dal_hw_hpd_set_config,
.change_mode = dal_hw_gpio_change_mode,
.close = dal_hw_gpio_close,
};
-static void construct(
- struct hw_hpd *hpd,
+static void dal_hw_hpd_construct(
+ struct hw_hpd *pin,
enum gpio_id id,
uint32_t en,
struct dc_context *ctx)
{
- dal_hw_hpd_construct(hpd, id, en, ctx);
- hpd->base.base.funcs = &funcs;
+ dal_hw_gpio_construct(&pin->base, id, en, ctx);
+ pin->base.base.funcs = &funcs;
}
-struct hw_gpio_pin *dal_hw_hpd_create(
+void dal_hw_hpd_init(
+ struct hw_hpd **hw_hpd,
struct dc_context *ctx,
enum gpio_id id,
uint32_t en)
{
- struct hw_hpd *hpd;
-
- if (id != GPIO_ID_HPD) {
+ if (en > GPIO_DDC_LINE_MAX) {
ASSERT_CRITICAL(false);
- return NULL;
+ *hw_hpd = NULL;
}
- if ((en < GPIO_HPD_MIN) || (en > GPIO_HPD_MAX)) {
+ *hw_hpd = kzalloc(sizeof(struct hw_hpd), GFP_KERNEL);
+ if (!*hw_hpd) {
ASSERT_CRITICAL(false);
- return NULL;
+ return;
}
- hpd = kzalloc(sizeof(struct hw_hpd), GFP_KERNEL);
- if (!hpd) {
- ASSERT_CRITICAL(false);
- return NULL;
- }
+ dal_hw_hpd_construct(*hw_hpd, id, en, ctx);
+}
+
+struct hw_gpio_pin *dal_hw_hpd_get_pin(struct gpio *gpio)
+{
+ struct hw_hpd *hw_hpd = dal_gpio_get_hpd(gpio);
- construct(hpd, id, en, ctx);
- return &hpd->base.base;
+ return &hw_hpd->base.base;
}