diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/gpio/hw_ddc.h')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/gpio/hw_ddc.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/gpio/hw_ddc.h b/drivers/gpu/drm/amd/display/dc/gpio/hw_ddc.h new file mode 100644 index 000000000000..9690e2a885d7 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/gpio/hw_ddc.h @@ -0,0 +1,46 @@ +/* + * Copyright 2012-15 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#ifndef __DAL_HW_DDC_H__ +#define __DAL_HW_DDC_H__ + +#include "ddc_regs.h" + +struct hw_ddc { + struct hw_gpio base; + const struct ddc_registers *regs; + const struct ddc_sh_mask *shifts; + const struct ddc_sh_mask *masks; +}; + +#define HW_DDC_FROM_BASE(hw_gpio) \ + container_of((HW_GPIO_FROM_BASE(hw_gpio)), struct hw_ddc, base) + +struct hw_gpio_pin *dal_hw_ddc_create( + struct dc_context *ctx, + enum gpio_id id, + uint32_t en); + +#endif |