1 /*
2  *  Copyright (C) 2016 Texas Instruments Incorporated - http://www.ti.com/
3  *
4  *  Redistribution and use in source and binary forms, with or without
5  *  modification, are permitted provided that the following conditions
6  *  are met:
7  *
8  *    Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  *
11  *    Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the
14  *    distribution.
15  *
16  *    Neither the name of Texas Instruments Incorporated nor the names of
17  *    its contributors may be used to endorse or promote products derived
18  *    from this software without specific prior written permission.
19  *
20  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23  *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24  *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25  *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26  *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30  *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  *
32  */
33 //*****************************************************************************
34 //
35 //  camera.h
36 //
37 //  Prototypes and macros for the camera controller module.
38 //
39 //*****************************************************************************
40 
41 #ifndef __CAMERA_H__
42 #define __CAMERA_H__
43 
44 //*****************************************************************************
45 //
46 // If building with a C++ compiler, make all of the definitions in this header
47 // have a C binding.
48 //
49 //*****************************************************************************
50 #ifdef __cplusplus
51 extern "C"
52 {
53 #endif
54 
55 //*****************************************************************************
56 // Macro defining Camera buffer address
57 //*****************************************************************************
58 #define CAM_BUFFER_ADDR 0x44018100
59 
60 
61 //*****************************************************************************
62 // Value that can be passed to CameraXClkSet().
63 //*****************************************************************************
64 #define CAM_XCLK_STABLE_LO          0x00
65 #define CAM_XCLK_STABLE_HI          0x01
66 #define CAM_XCLK_DIV_BYPASS         0x02
67 
68 
69 //*****************************************************************************
70 // Value that can be passed to CameraIntEnable(), CameraIntDisable,
71 // CameraIntClear() or returned from CameraIntStatus().
72 //*****************************************************************************
73 #define CAM_INT_DMA           0x80000000
74 #define CAM_INT_FE            0x00010000
75 #define CAM_INT_FIFO_NOEMPTY  0x00000010
76 #define CAM_INT_FIFO_FULL     0x00000008
77 #define CAM_INT_FIFO_THR      0x00000004
78 #define CAM_INT_FIFO_OF       0x00000002
79 #define CAN_INT_FIFO_UR       0x00000001
80 
81 
82 //*****************************************************************************
83 // Value that can be passed to CameraXClkConfig().
84 //*****************************************************************************
85 #define CAM_HS_POL_HI       0x00000000
86 #define CAM_HS_POL_LO       0x00000200
87 #define CAM_VS_POL_HI       0x00000000
88 #define CAM_VS_POL_LO       0x00000100
89 
90 #define CAM_PCLK_RISE_EDGE  0x00000000
91 #define CAM_PCLK_FALL_EDGE  0x00000400
92 
93 #define CAM_ORDERCAM_SWAP   0x00000800
94 #define CAM_NOBT_SYNCHRO    0x00002000
95 #define CAM_IF_SYNCHRO      0x00080000
96 
97 
98 //*****************************************************************************
99 //
100 // API Function prototypes
101 //
102 //*****************************************************************************
103 extern void CameraReset(unsigned long ulBase);
104 extern void CameraParamsConfig(unsigned long ulBase, unsigned long ulHSPol,
105                                unsigned long ulVSPol, unsigned long ulFlags);
106 extern void CameraXClkConfig(unsigned long ulBase, unsigned long ulCamClkIn,
107                              unsigned long ulXClk);
108 extern void CameraXClkSet(unsigned long ulBase, unsigned char bXClkFlags);
109 extern void CameraDMAEnable(unsigned long ulBase);
110 extern void CameraDMADisable(unsigned long ulBase);
111 extern void CameraThresholdSet(unsigned long ulBase, unsigned long ulThreshold);
112 extern void CameraIntRegister(unsigned long ulBase, void (*pfnHandler)(void));
113 extern void CameraIntUnregister(unsigned long ulBase);
114 extern void CameraIntEnable(unsigned long ulBase, unsigned long ulIntFlags);
115 extern void CameraIntDisable(unsigned long ulBase, unsigned long ulIntFlags);
116 extern unsigned long CameraIntStatus(unsigned long ulBase);
117 extern void CameraIntClear(unsigned long ulBase, unsigned long ulIntFlags);
118 extern void CameraCaptureStop(unsigned long ulBase, tBoolean bImmediate);
119 extern void CameraCaptureStart(unsigned long ulBase);
120 extern void CameraBufferRead(unsigned long ulBase,unsigned long *pBuffer,
121                           unsigned char ucSize);
122 
123 //*****************************************************************************
124 //
125 // Mark the end of the C bindings section for C++ compilers.
126 //
127 //*****************************************************************************
128 #ifdef __cplusplus
129 }
130 #endif
131 
132 #endif //__CAMERA_H__
133