diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_pll.h')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_pll.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pll.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_pll.h new file mode 100644 index 000000000..db6136f68 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pll.h @@ -0,0 +1,38 @@ +/* + * Copyright 2014 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. + * + */ + +#ifndef __AMDGPU_PLL_H__ +#define __AMDGPU_PLL_H__ + +void amdgpu_pll_compute(struct amdgpu_pll *pll, + u32 freq, + u32 *dot_clock_p, + u32 *fb_div_p, + u32 *frac_fb_div_p, + u32 *ref_div_p, + u32 *post_div_p); +u32 amdgpu_pll_get_use_mask(struct drm_crtc *crtc); +int amdgpu_pll_get_shared_dp_ppll(struct drm_crtc *crtc); +int amdgpu_pll_get_shared_nondp_ppll(struct drm_crtc *crtc); + +#endif |