root/drivers/gpu/drm/amd/amdgpu/amdgpu_pll.h

INCLUDED FROM

   1 /*
   2  * Copyright 2014 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  */
  23 
  24 #ifndef __AMDGPU_PLL_H__
  25 #define __AMDGPU_PLL_H__
  26 
  27 void amdgpu_pll_compute(struct amdgpu_pll *pll,
  28                          u32 freq,
  29                          u32 *dot_clock_p,
  30                          u32 *fb_div_p,
  31                          u32 *frac_fb_div_p,
  32                          u32 *ref_div_p,
  33                          u32 *post_div_p);
  34 u32 amdgpu_pll_get_use_mask(struct drm_crtc *crtc);
  35 int amdgpu_pll_get_shared_dp_ppll(struct drm_crtc *crtc);
  36 int amdgpu_pll_get_shared_nondp_ppll(struct drm_crtc *crtc);
  37 
  38 #endif