1 .. SPDX-License-Identifier: GPL-2.0 1 .. SPDX-License-Identifier: GPL-2.0
2 2
3 The Rockchip Image Signal Processor Driver (rk 3 The Rockchip Image Signal Processor Driver (rkisp1)
4 ============================================== 4 ===================================================
5 5
6 Versions and their differences 6 Versions and their differences
7 ------------------------------ 7 ------------------------------
8 8
9 The rkisp1 block underwent some changes betwee 9 The rkisp1 block underwent some changes between SoC implementations.
10 The vendor designates them as: 10 The vendor designates them as:
11 11
12 - V10: used at least in rk3288 and rk3399 12 - V10: used at least in rk3288 and rk3399
13 - V11: declared in the original vendor code, b 13 - V11: declared in the original vendor code, but not used
14 - V12: used at least in rk3326 and px30 14 - V12: used at least in rk3326 and px30
15 - V13: used at least in rk1808 15 - V13: used at least in rk1808
16 - V20: used in rk3568 and beyond 16 - V20: used in rk3568 and beyond
17 17
18 Right now the kernel supports rkisp1 implement 18 Right now the kernel supports rkisp1 implementations based
19 on V10 and V12 variants. V11 does not seem to 19 on V10 and V12 variants. V11 does not seem to be actually used
20 and V13 will need some more additions but isn' 20 and V13 will need some more additions but isn't researched yet,
21 especially as it seems to be limited to the rk 21 especially as it seems to be limited to the rk1808 which hasn't
22 reached much market spread. 22 reached much market spread.
23 23
24 V20 on the other hand will probably be used in 24 V20 on the other hand will probably be used in future SoCs and
25 has seen really big changes in the vendor kern 25 has seen really big changes in the vendor kernel, so will need
26 quite a bit of research. 26 quite a bit of research.
27 27
28 Changes from V10 to V12 28 Changes from V10 to V12
29 ----------------------- 29 -----------------------
30 30
31 - V12 supports a new CSI-host implementation b 31 - V12 supports a new CSI-host implementation but can still
32 also use the same implementation from V10 32 also use the same implementation from V10
33 - The module for lens shading correction got c 33 - The module for lens shading correction got changed
34 from 12bit to 13bit width 34 from 12bit to 13bit width
35 - The AWB and AEC modules got replaced to supp 35 - The AWB and AEC modules got replaced to support finer
36 grained data collection 36 grained data collection
37 37
38 Changes from V12 to V13 38 Changes from V12 to V13
39 ----------------------- 39 -----------------------
40 40
41 The list for V13 is incomplete and needs furth 41 The list for V13 is incomplete and needs further investigation.
42 42
43 - V13 does not support the old CSI-host implem 43 - V13 does not support the old CSI-host implementation anymore
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.