diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/gpio')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/gpio/gpio_base.c | 12 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c | 28 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/gpio/gpio_service.h | 10 |
3 files changed, 50 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/gpio/gpio_base.c b/drivers/gpu/drm/amd/display/dc/gpio/gpio_base.c index 1d1efd72b291..cf76ea2d9f5a 100644 --- a/drivers/gpu/drm/amd/display/dc/gpio/gpio_base.c +++ b/drivers/gpu/drm/amd/display/dc/gpio/gpio_base.c @@ -101,6 +101,18 @@ enum gpio_mode dal_gpio_get_mode( return gpio->mode; } +enum gpio_result dal_gpio_lock_pin( + struct gpio *gpio) +{ + return dal_gpio_service_lock(gpio->service, gpio->id, gpio->en); +} + +enum gpio_result dal_gpio_unlock_pin( + struct gpio *gpio) +{ + return dal_gpio_service_unlock(gpio->service, gpio->id, gpio->en); +} + enum gpio_result dal_gpio_change_mode( struct gpio *gpio, enum gpio_mode mode) diff --git a/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c b/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c index dada04296025..3c63a3c04dbb 100644 --- a/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c +++ b/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c @@ -192,6 +192,34 @@ static void set_pin_free( service->busyness[id][en] = false; } +enum gpio_result dal_gpio_service_lock( + struct gpio_service *service, + enum gpio_id id, + uint32_t en) +{ + if (!service->busyness[id]) { + ASSERT_CRITICAL(false); + return GPIO_RESULT_OPEN_FAILED; + } + + set_pin_busy(service, id, en); + return GPIO_RESULT_OK; +} + +enum gpio_result dal_gpio_service_unlock( + struct gpio_service *service, + enum gpio_id id, + uint32_t en) +{ + if (!service->busyness[id]) { + ASSERT_CRITICAL(false); + return GPIO_RESULT_OPEN_FAILED; + } + + set_pin_free(service, id, en); + return GPIO_RESULT_OK; +} + enum gpio_result dal_gpio_service_open( struct gpio_service *service, enum gpio_id id, diff --git a/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.h b/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.h index 1d501a43d13b..0c678af75331 100644 --- a/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.h +++ b/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.h @@ -52,4 +52,14 @@ void dal_gpio_service_close( struct gpio_service *service, struct hw_gpio_pin **ptr); +enum gpio_result dal_gpio_service_lock( + struct gpio_service *service, + enum gpio_id id, + uint32_t en); + +enum gpio_result dal_gpio_service_unlock( + struct gpio_service *service, + enum gpio_id id, + uint32_t en); + #endif |