From 00468c9740eb2376328bbd95982f2d6dabc49dbc Mon Sep 17 00:00:00 2001
From: Uros Majstorovic <majstor@majstor.org>
Date: Thu, 20 May 2021 18:39:32 +0200
Subject: ov2460 camera sensor and arducam driver

---
 fw/fe310/eos/cam.h | 88 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 fw/fe310/eos/cam.h

(limited to 'fw/fe310/eos/cam.h')

diff --git a/fw/fe310/eos/cam.h b/fw/fe310/eos/cam.h
new file mode 100644
index 0000000..f61757b
--- /dev/null
+++ b/fw/fe310/eos/cam.h
@@ -0,0 +1,88 @@
+#include <stdint.h>
+
+typedef enum {
+    PIXFORMAT_INVALID = 0,
+    PIXFORMAT_BINARY,    // 1BPP/BINARY
+    PIXFORMAT_GRAYSCALE, // 1BPP/GRAYSCALE
+    PIXFORMAT_RGB565,    // 2BPP/RGB565
+    PIXFORMAT_YUV422,    // 2BPP/YUV422
+    PIXFORMAT_BAYER,     // 1BPP/RAW
+    PIXFORMAT_JPEG,      // JPEG/COMPRESSED
+} pixformat_t;
+
+typedef enum {
+    FRAMESIZE_INVALID = 0,
+    // C/SIF Resolutions
+    FRAMESIZE_QQCIF,    // 88x72
+    FRAMESIZE_QCIF,     // 176x144
+    FRAMESIZE_CIF,      // 352x288
+    FRAMESIZE_QQSIF,    // 88x60
+    FRAMESIZE_QSIF,     // 176x120
+    FRAMESIZE_SIF,      // 352x240
+    // VGA Resolutions
+    FRAMESIZE_QQQQVGA,  // 40x30
+    FRAMESIZE_QQQVGA,   // 80x60
+    FRAMESIZE_QQVGA,    // 160x120
+    FRAMESIZE_QVGA,     // 320x240
+    FRAMESIZE_VGA,      // 640x480
+    FRAMESIZE_HQQQVGA,  // 60x40
+    FRAMESIZE_HQQVGA,   // 120x80
+    FRAMESIZE_HQVGA,    // 240x160
+    // FFT Resolutions
+    FRAMESIZE_64X32,    // 64x32
+    FRAMESIZE_64X64,    // 64x64
+    FRAMESIZE_128X64,   // 128x64
+    FRAMESIZE_128X128,  // 128x128
+    FRAMESIZE_320X320,  // 320x320
+    // Other
+    FRAMESIZE_LCD,      // 128x160
+    FRAMESIZE_QQVGA2,   // 128x160
+    FRAMESIZE_WVGA,     // 720x480
+    FRAMESIZE_WVGA2,    // 752x480
+    FRAMESIZE_SVGA,     // 800x600
+    FRAMESIZE_XGA,      // 1024x768
+    FRAMESIZE_SXGA,     // 1280x1024
+    FRAMESIZE_UXGA,     // 1600x1200
+    FRAMESIZE_HD,       // 1280x720
+    FRAMESIZE_FHD,      // 1920x1080
+    FRAMESIZE_QHD,      // 2560x1440
+    FRAMESIZE_QXGA,     // 2048x1536
+    FRAMESIZE_WQXGA,    // 2560x1600
+    FRAMESIZE_WQXGA2,   // 2592x1944
+} framesize_t;
+
+typedef enum {
+    GAINCEILING_2X,
+    GAINCEILING_4X,
+    GAINCEILING_8X,
+    GAINCEILING_16X,
+    GAINCEILING_32X,
+    GAINCEILING_64X,
+    GAINCEILING_128X,
+} gainceiling_t;
+
+typedef enum {
+    SDE_NORMAL,
+    SDE_NEGATIVE,
+} sde_t;
+
+extern const int _eos_cam_resolution[][2];
+
+#define IM_LOG2_2(x)    (((x) &                0x2ULL) ? ( 2                        ) :             1) // NO ({ ... }) !
+#define IM_LOG2_4(x)    (((x) &                0xCULL) ? ( 2 +  IM_LOG2_2((x) >>  2)) :  IM_LOG2_2(x)) // NO ({ ... }) !
+#define IM_LOG2_8(x)    (((x) &               0xF0ULL) ? ( 4 +  IM_LOG2_4((x) >>  4)) :  IM_LOG2_4(x)) // NO ({ ... }) !
+#define IM_LOG2_16(x)   (((x) &             0xFF00ULL) ? ( 8 +  IM_LOG2_8((x) >>  8)) :  IM_LOG2_8(x)) // NO ({ ... }) !
+#define IM_LOG2_32(x)   (((x) &         0xFFFF0000ULL) ? (16 + IM_LOG2_16((x) >> 16)) : IM_LOG2_16(x)) // NO ({ ... }) !
+#define IM_LOG2(x)      (((x) & 0xFFFFFFFF00000000ULL) ? (32 + IM_LOG2_32((x) >> 32)) : IM_LOG2_32(x)) // NO ({ ... }) !
+
+#define IM_MAX(a,b)     ({ __typeof__ (a) _a = (a); __typeof__ (b) _b = (b); _a > _b ? _a : _b; })
+#define IM_MIN(a,b)     ({ __typeof__ (a) _a = (a); __typeof__ (b) _b = (b); _a < _b ? _a : _b; })
+#define IM_DIV(a,b)     ({ __typeof__ (a) _a = (a); __typeof__ (b) _b = (b); _b ? (_a / _b) : 0; })
+#define IM_MOD(a,b)     ({ __typeof__ (a) _a = (a); __typeof__ (b) _b = (b); _b ? (_a % _b) : 0; })
+
+void eos_cam_capture(void);
+int eos_cam_capture_done(void);
+void eos_cam_capture_wait(void);
+uint32_t eos_cam_fbuf_size(void);
+void eos_cam_fbuf_read(uint8_t *buffer, uint16_t sz, int first);
+void eos_cam_fbuf_done(void);
-- 
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