cy2239x.h

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00001 #ifndef _DEV_CY2239X_H_
00002 #define _DEV_CY2239X_H_
00003 
00004 /*
00005  * Copyright (C) 2005 by egnite Software GmbH. All rights reserved.
00006  *
00007  * Redistribution and use in source and binary forms, with or without
00008  * modification, are permitted provided that the following conditions
00009  * are met:
00010  *
00011  * 1. Redistributions of source code must retain the above copyright
00012  *    notice, this list of conditions and the following disclaimer.
00013  * 2. Redistributions in binary form must reproduce the above copyright
00014  *    notice, this list of conditions and the following disclaimer in the
00015  *    documentation and/or other materials provided with the distribution.
00016  * 3. Neither the name of the copyright holders nor the names of
00017  *    contributors may be used to endorse or promote products derived
00018  *    from this software without specific prior written permission.
00019  *
00020  * THIS SOFTWARE IS PROVIDED BY EGNITE SOFTWARE GMBH AND CONTRIBUTORS
00021  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
00022  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
00023  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL EGNITE
00024  * SOFTWARE GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
00025  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
00026  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
00027  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
00028  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00029  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
00030  * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00031  * SUCH DAMAGE.
00032  *
00033  * For additional information see http://www.ethernut.de/
00034  */
00035 
00036 /*
00037  * $Log: cy2239x.h,v $
00038  * Revision 1.2  2006/01/05 16:53:26  haraldkipp
00039  * Several new functions added to query and modify the clock settings.
00040  *
00041  * Revision 1.1  2005/10/24 11:41:39  haraldkipp
00042  * Initial check-in.
00043  *
00044  */
00045 
00050 
00051 #include <sys/types.h>
00052 
00058 #define CY2239X_CLKA    0
00059 
00065 #define CY2239X_CLKB    1
00066 
00072 #define CY2239X_CLKC    2
00073 
00079 #define CY2239X_CLKD    3
00080 
00087 #define CY2239X_CLKE    4
00088 
00089 
00091 #define CY2239X_REF     0
00092 
00098 #define CY2239X_PLL1    1
00099 
00105 #define CY2239X_PLL2    2
00106 
00112 #define CY2239X_PLL3    3
00113 
00116 __BEGIN_DECLS
00117 /* Prototypes */
00118 
00119 extern u_long Cy2239xGetFreq(int clk, int fctrl);
00120 
00121 extern int Cy2239xGetPll(int clk);
00122 extern int Cy2239xSetPll(int clk, int pll);
00123 
00124 extern int Cy2239xGetDivider(int clk, int fctrl);
00125 extern int Cy2239xSetDivider(int clk, int sel, int val);
00126 
00127 extern int Cy2239xPllEnable(int pll, int fctrl, int ena);
00128 
00129 extern u_long Cy2239xPllGetFreq(int pll, int fctrl);
00130 extern int Cy2239xPllSetFreq(int pll, int fctrl, u_int pval, u_int poff, u_int qval, u_int fval);
00131 
00132 __END_DECLS
00133 /* End of prototypes */
00134 #endif

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