1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
From ef305037fd7423386d3a59b640114bdff67d824f Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Wed, 6 May 2020 18:11:14 +0100
Subject: [PATCH] staging: vc04_services: isp: Add monochrome image
formats
Adds support for monochrome image formats in the various
MIPI packings.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
.../bcm2835-isp/bcm2835_isp_fmts.h | 52 ++++++++++++++++++-
.../vc04_services/vchiq-mmal/mmal-encodings.h | 7 +++
2 files changed, 58 insertions(+), 1 deletion(-)
--- a/drivers/staging/vc04_services/bcm2835-isp/bcm2835_isp_fmts.h
+++ b/drivers/staging/vc04_services/bcm2835-isp/bcm2835_isp_fmts.h
@@ -328,7 +328,57 @@ static const struct bcm2835_isp_fmt supp
.colorspace = V4L2_COLORSPACE_RAW,
.step_size = 2,
}, {
- /* ISP statistics format */
+ /* Monochrome MIPI formats */
+ /* 8 bit */
+ .fourcc = V4L2_PIX_FMT_GREY,
+ .depth = 8,
+ .bytesperline_align = 32,
+ .flags = 0,
+ .mmal_fmt = MMAL_ENCODING_GREY,
+ .size_multiplier_x2 = 2,
+ .colorspace = V4L2_COLORSPACE_RAW,
+ .step_size = 2,
+ }, {
+ /* 10 bit */
+ .fourcc = V4L2_PIX_FMT_Y10P,
+ .depth = 10,
+ .bytesperline_align = 32,
+ .flags = 0,
+ .mmal_fmt = MMAL_ENCODING_Y10P,
+ .size_multiplier_x2 = 2,
+ .colorspace = V4L2_COLORSPACE_RAW,
+ .step_size = 2,
+ }, {
+ /* 12 bit */
+ .fourcc = V4L2_PIX_FMT_Y12P,
+ .depth = 12,
+ .bytesperline_align = 32,
+ .flags = 0,
+ .mmal_fmt = MMAL_ENCODING_Y12P,
+ .size_multiplier_x2 = 2,
+ .colorspace = V4L2_COLORSPACE_RAW,
+ .step_size = 2,
+ }, {
+ /* 14 bit */
+ .fourcc = V4L2_PIX_FMT_Y14P,
+ .depth = 14,
+ .bytesperline_align = 32,
+ .flags = 0,
+ .mmal_fmt = MMAL_ENCODING_Y14P,
+ .size_multiplier_x2 = 2,
+ .colorspace = V4L2_COLORSPACE_RAW,
+ .step_size = 2,
+ }, {
+ /* 16 bit */
+ .fourcc = V4L2_PIX_FMT_Y16,
+ .depth = 16,
+ .bytesperline_align = 32,
+ .flags = 0,
+ .mmal_fmt = MMAL_ENCODING_Y16,
+ .size_multiplier_x2 = 2,
+ .colorspace = V4L2_COLORSPACE_RAW,
+ .step_size = 2,
+ }, {
.fourcc = V4L2_META_FMT_BCM2835_ISP_STATS,
.mmal_fmt = MMAL_ENCODING_BRCM_STATS,
/* The rest are not valid fields for stats. */
--- a/drivers/staging/vc04_services/vchiq-mmal/mmal-encodings.h
+++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-encodings.h
@@ -102,6 +102,13 @@
#define MMAL_ENCODING_BAYER_SGRBG16 MMAL_FOURCC('G', 'R', '1', '6')
#define MMAL_ENCODING_BAYER_SRGGB16 MMAL_FOURCC('R', 'G', '1', '6')
+/* MIPI packed monochrome images */
+#define MMAL_ENCODING_GREY MMAL_FOURCC('G', 'R', 'E', 'Y')
+#define MMAL_ENCODING_Y10P MMAL_FOURCC('Y', '1', '0', 'P')
+#define MMAL_ENCODING_Y12P MMAL_FOURCC('Y', '1', '2', 'P')
+#define MMAL_ENCODING_Y14P MMAL_FOURCC('Y', '1', '4', 'P')
+#define MMAL_ENCODING_Y16 MMAL_FOURCC('Y', '1', '6', ' ')
+
/** An EGL image handle
*/
#define MMAL_ENCODING_EGL_IMAGE MMAL_FOURCC('E', 'G', 'L', 'I')
|
