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