On 24/12/2020 01:48, Yongqiang Niu wrote:
Add documentation for the mt8192 gce.
Add gce header file defined the gce hardware event, subsys number and constant for mt8192.
Signed-off-by: Yongqiang Niu yongqiang.niu@mediatek.com
.../devicetree/bindings/mailbox/mtk-gce.txt | 7 +- include/dt-bindings/gce/mt8192-gce.h | 419 +++++++++++++++++++++ 2 files changed, 423 insertions(+), 3 deletions(-) create mode 100644 include/dt-bindings/gce/mt8192-gce.h
diff --git a/Documentation/devicetree/bindings/mailbox/mtk-gce.txt b/Documentation/devicetree/bindings/mailbox/mtk-gce.txt index cf48cd8..f48ae45 100644 --- a/Documentation/devicetree/bindings/mailbox/mtk-gce.txt +++ b/Documentation/devicetree/bindings/mailbox/mtk-gce.txt @@ -9,8 +9,8 @@ CMDQ driver uses mailbox framework for communication. Please refer to mailbox.txt for generic information about mailbox device-tree bindings.
Required properties: -- compatible: can be "mediatek,mt8173-gce", "mediatek,mt8183-gce" or
- "mediatek,mt6779-gce".
+- compatible: can be "mediatek,mt8173-gce", "mediatek,mt8183-gce",
- "mediatek,mt8192-gce" or "mediatek,mt6779-gce".
- reg: Address range of the GCE unit
- interrupts: The interrupt signal from the GCE block
- clock: Clocks according to the common clock binding
@@ -36,7 +36,8 @@ Optional properties for a client device: size: the total size of register address that GCE can access.
Some vaules of properties are defined in 'dt-bindings/gce/mt8173-gce.h', -'dt-binding/gce/mt8183-gce.h' or 'dt-bindings/gce/mt6779-gce.h'. Such as +'dt-binding/gce/mt8183-gce.h', 'dt-binding/gce/mt8192-gce.h' or +'dt-bindings/gce/mt6779-gce.h'. Such as sub-system ids, thread priority, event ids.
Example: diff --git a/include/dt-bindings/gce/mt8192-gce.h b/include/dt-bindings/gce/mt8192-gce.h new file mode 100644 index 0000000..0627544 --- /dev/null +++ b/include/dt-bindings/gce/mt8192-gce.h @@ -0,0 +1,419 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/*
- Copyright (c) 2020 MediaTek Inc.
- Author: Yongqiang Niu yongqiang.niu@mediatek.com
- */
+#ifndef _DT_BINDINGS_GCE_MT8192_H +#define _DT_BINDINGS_GCE_MT8192_H
+/* assign timeout 0 also means default */ +#define CMDQ_NO_TIMEOUT 0xffffffff +#define CMDQ_TIMEOUT_DEFAULT 1000
+/* GCE thread priority */ +#define CMDQ_THR_PRIO_LOWEST 0 +#define CMDQ_THR_PRIO_1 1 +#define CMDQ_THR_PRIO_2 2 +#define CMDQ_THR_PRIO_3 3 +#define CMDQ_THR_PRIO_4 4 +#define CMDQ_THR_PRIO_5 5 +#define CMDQ_THR_PRIO_6 6 +#define CMDQ_THR_PRIO_HIGHEST 7
+/* CPR count in 32bit register */ +#define GCE_CPR_COUNT 1312
+/* GCE subsys table */ +#define SUBSYS_1300XXXX 0 +#define SUBSYS_1400XXXX 1 +#define SUBSYS_1401XXXX 2 +#define SUBSYS_1402XXXX 3 +#define SUBSYS_1502XXXX 4 +#define SUBSYS_1880XXXX 5 +#define SUBSYS_1881XXXX 6 +#define SUBSYS_1882XXXX 7 +#define SUBSYS_1883XXXX 8 +#define SUBSYS_1884XXXX 9 +#define SUBSYS_1000XXXX 10 +#define SUBSYS_1001XXXX 11 +#define SUBSYS_1002XXXX 12 +#define SUBSYS_1003XXXX 13 +#define SUBSYS_1004XXXX 14 +#define SUBSYS_1005XXXX 15 +#define SUBSYS_1020XXXX 16 +#define SUBSYS_1028XXXX 17 +#define SUBSYS_1700XXXX 18 +#define SUBSYS_1701XXXX 19 +#define SUBSYS_1702XXXX 20 +#define SUBSYS_1703XXXX 21 +#define SUBSYS_1800XXXX 22 +#define SUBSYS_1801XXXX 23 +#define SUBSYS_1802XXXX 24 +#define SUBSYS_1804XXXX 25 +#define SUBSYS_1805XXXX 26 +#define SUBSYS_1808XXXX 27 +#define SUBSYS_180aXXXX 28 +#define SUBSYS_180bXXXX 29 +#define SUBSYS_NO_SUPPORT 99
How will we you SUBSYS_NO_SUPPORT?
+/* GCE General Purpose Register (GPR) support
- Leave note for scenario usage here
- */
+/* GCE: write mask */ +#define GCE_GPR_R00 0x00
What are these defines for?
Regards, Matthias
+#define GCE_GPR_R01 0x01 +/* MDP: P1: JPEG dest */ +#define GCE_GPR_R02 0x02 +#define GCE_GPR_R03 0x03 +/* MDP: PQ color */ +#define GCE_GPR_R04 0x04 +/* MDP: 2D sharpness */ +#define GCE_GPR_R05 0x05 +/* DISP: poll esd */ +#define GCE_GPR_R06 0x06 +#define GCE_GPR_R07 0x07 +/* MDP: P4: 2D sharpness dst */ +#define GCE_GPR_R08 0x08 +#define GCE_GPR_R09 0x09 +/* VCU: poll with timeout for GPR timer */ +#define GCE_GPR_R10 0x0A +#define GCE_GPR_R11 0x0B +/* CMDQ: debug */ +#define GCE_GPR_R12 0x0C +#define GCE_GPR_R13 0x0D +/* CMDQ: P7: debug */ +#define GCE_GPR_R14 0x0E +#define GCE_GPR_R15 0x0F