amd/amdgpu/amdgpu_pll.h

0001 /*
0002  * Copyright 2014 Advanced Micro Devices, Inc.
0003  *
0004  * Permission is hereby granted, free of charge, to any person obtaining a
0005  * copy of this software and associated documentation files (the "Software"),
0006  * to deal in the Software without restriction, including without limitation
0007  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
0008  * and/or sell copies of the Software, and to permit persons to whom the
0009  * Software is furnished to do so, subject to the following conditions:
0010  *
0011  * The above copyright notice and this permission notice shall be included in
0012  * all copies or substantial portions of the Software.
0013  *
0014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0015  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0016  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
0017  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
0018  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
0019  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0020  * OTHER DEALINGS IN THE SOFTWARE.
0021  *
0022  */
0023
0024 #ifndef __AMDGPU_PLL_H__
0025 #define __AMDGPU_PLL_H__
0026
0027 void amdgpu_pll_compute(struct amdgpu_device *adev,
0028              struct amdgpu_pll *pll,
0029              u32 freq,
0030              u32 *dot_clock_p,
0031              u32 *fb_div_p,
0032              u32 *frac_fb_div_p,
0033              u32 *ref_div_p,
0034              u32 *post_div_p);
0035 u32 amdgpu_pll_get_use_mask(struct drm_crtc *crtc);
0036 int amdgpu_pll_get_shared_dp_ppll(struct drm_crtc *crtc);
0037 int amdgpu_pll_get_shared_nondp_ppll(struct drm_crtc *crtc);
0038
0039 #endif