diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/gpu/divider_range.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/gpu/divider_range.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/gpu/divider_range.h b/drivers/gpu/drm/amd/display/dc/gpu/divider_range.h new file mode 100644 index 000000000000..e53522f652cc --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/gpu/divider_range.h @@ -0,0 +1,62 @@ +/* + * 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_DIVIDER_RANGE_H__ +#define __DAL_DIVIDER_RANGE_H__ + +enum divider_error_types { + INVALID_DID = 0, + INVALID_DIVIDER = 1 +}; + +struct divider_range { + uint32_t div_range_start; + /* The end of this range of dividers.*/ + uint32_t div_range_end; + /* The distance between each divider in this range.*/ + uint32_t div_range_step; + /* The divider id for the lowest divider.*/ + uint32_t did_min; + /* The divider id for the highest divider.*/ + uint32_t did_max; +}; + +bool dal_divider_range_construct( + struct divider_range *div_range, + uint32_t range_start, + uint32_t range_step, + uint32_t did_min, + uint32_t did_max); + +uint32_t dal_divider_range_get_divider( + struct divider_range *div_range, + uint32_t ranges_num, + uint32_t did); +uint32_t dal_divider_range_get_did( + struct divider_range *div_range, + uint32_t ranges_num, + uint32_t divider); + +#endif /* __DAL_DIVIDER_RANGE_H__ */ |
