diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/gpio/hw_ddc.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/gpio/hw_ddc.c | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/gpio/hw_ddc.c b/drivers/gpu/drm/amd/display/dc/gpio/hw_ddc.c index 408857d19c84..1c12961f6472 100644 --- a/drivers/gpu/drm/amd/display/dc/gpio/hw_ddc.c +++ b/drivers/gpu/drm/amd/display/dc/gpio/hw_ddc.c @@ -28,6 +28,7 @@ #include "dm_services.h" +#include "include/gpio_interface.h" #include "include/gpio_types.h" #include "hw_gpio.h" #include "hw_ddc.h" @@ -45,6 +46,8 @@ #define REG(reg)\ (ddc->regs->reg) +struct gpio; + static void destruct( struct hw_ddc *pin) { @@ -227,24 +230,29 @@ static void construct( ddc->base.base.funcs = &funcs; } -struct hw_gpio_pin *dal_hw_ddc_create( +void dal_hw_ddc_init( + struct hw_ddc **hw_ddc, struct dc_context *ctx, enum gpio_id id, uint32_t en) { - struct hw_ddc *pin; - if ((en < GPIO_DDC_LINE_MIN) || (en > GPIO_DDC_LINE_MAX)) { ASSERT_CRITICAL(false); - return NULL; + *hw_ddc = NULL; } - pin = kzalloc(sizeof(struct hw_ddc), GFP_KERNEL); - if (!pin) { + *hw_ddc = kzalloc(sizeof(struct hw_ddc), GFP_KERNEL); + if (!*hw_ddc) { ASSERT_CRITICAL(false); - return NULL; + return; } - construct(pin, id, en, ctx); - return &pin->base.base; + construct(*hw_ddc, id, en, ctx); +} + +struct hw_gpio_pin *dal_hw_ddc_get_pin(struct gpio *gpio) +{ + struct hw_ddc *hw_ddc = dal_gpio_get_ddc(gpio); + + return &hw_ddc->base.base; } |