xref: /OK3568_Linux_fs/kernel/drivers/media/i2c/aptina-pll.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Aptina Sensor PLL Configuration
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright (C) 2012 Laurent Pinchart <laurent.pinchart@ideasonboard.com>
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #ifndef __APTINA_PLL_H
9*4882a593Smuzhiyun #define __APTINA_PLL_H
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun struct aptina_pll {
12*4882a593Smuzhiyun 	unsigned int ext_clock;
13*4882a593Smuzhiyun 	unsigned int pix_clock;
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun 	unsigned int n;
16*4882a593Smuzhiyun 	unsigned int m;
17*4882a593Smuzhiyun 	unsigned int p1;
18*4882a593Smuzhiyun };
19*4882a593Smuzhiyun 
20*4882a593Smuzhiyun struct aptina_pll_limits {
21*4882a593Smuzhiyun 	unsigned int ext_clock_min;
22*4882a593Smuzhiyun 	unsigned int ext_clock_max;
23*4882a593Smuzhiyun 	unsigned int int_clock_min;
24*4882a593Smuzhiyun 	unsigned int int_clock_max;
25*4882a593Smuzhiyun 	unsigned int out_clock_min;
26*4882a593Smuzhiyun 	unsigned int out_clock_max;
27*4882a593Smuzhiyun 	unsigned int pix_clock_max;
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun 	unsigned int n_min;
30*4882a593Smuzhiyun 	unsigned int n_max;
31*4882a593Smuzhiyun 	unsigned int m_min;
32*4882a593Smuzhiyun 	unsigned int m_max;
33*4882a593Smuzhiyun 	unsigned int p1_min;
34*4882a593Smuzhiyun 	unsigned int p1_max;
35*4882a593Smuzhiyun };
36*4882a593Smuzhiyun 
37*4882a593Smuzhiyun struct device;
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun int aptina_pll_calculate(struct device *dev,
40*4882a593Smuzhiyun 			 const struct aptina_pll_limits *limits,
41*4882a593Smuzhiyun 			 struct aptina_pll *pll);
42*4882a593Smuzhiyun 
43*4882a593Smuzhiyun #endif /* __APTINA_PLL_H */
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