amdgpu_pll.h revision 1.1.1.1 1 /* $NetBSD: amdgpu_pll.h,v 1.1.1.1 2018/08/27 01:34:44 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