1 /* $NetBSD: amdgpu_pll.h,v 1.3 2021/12/18 23:44:58 riastradh Exp $ */ 2 3 /* 4 * Copyright 2014 Advanced Micro Devices, Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 */ 25 26 #ifndef __AMDGPU_PLL_H__ 27 #define __AMDGPU_PLL_H__ 28 29 void amdgpu_pll_compute(struct amdgpu_pll *pll, 30 u32 freq, 31 u32 *dot_clock_p, 32 u32 *fb_div_p, 33 u32 *frac_fb_div_p, 34 u32 *ref_div_p, 35 u32 *post_div_p); 36 u32 amdgpu_pll_get_use_mask(struct drm_crtc *crtc); 37 int amdgpu_pll_get_shared_dp_ppll(struct drm_crtc *crtc); 38 int amdgpu_pll_get_shared_nondp_ppll(struct drm_crtc *crtc); 39 40 #endif 41