mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-21 14:37:57 +00:00
20ea6adbf1
Build system: x86_64 Build-tested: bcm2708, bcm2709, bcm2710, bcm2711 Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B Signed-off-by: Marty Jones <mj8263788@gmail.com> Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
65 lines
2.2 KiB
Diff
65 lines
2.2 KiB
Diff
From 9ed9132402b92d1957927c8719f37d8b95bb00ff Mon Sep 17 00:00:00 2001
|
|
From: neocortex-vision <oss@neocortexvision.com>
|
|
Date: Thu, 28 Oct 2021 17:37:36 +0100
|
|
Subject: [PATCH] media: i2c: imx477: Add vsync trigger_mode parameter
|
|
|
|
trigger_mode == 0 (default) => no effect / no registers written
|
|
trigger_mode == 1 => source
|
|
trigger_mode == 2 => sink
|
|
|
|
This can be set e.g. in /boot/cmdline.txt as imx477.trigger_mode=N
|
|
|
|
Signed-off-by: Jonas Jacob <jonas.jacob@neocortexvision.com>
|
|
---
|
|
drivers/media/i2c/imx477.c | 25 +++++++++++++++++++++++++
|
|
1 file changed, 25 insertions(+)
|
|
|
|
--- a/drivers/media/i2c/imx477.c
|
|
+++ b/drivers/media/i2c/imx477.c
|
|
@@ -25,6 +25,10 @@ static int dpc_enable = 1;
|
|
module_param(dpc_enable, int, 0644);
|
|
MODULE_PARM_DESC(dpc_enable, "Enable on-sensor DPC");
|
|
|
|
+static int trigger_mode;
|
|
+module_param(trigger_mode, int, 0644);
|
|
+MODULE_PARM_DESC(trigger_mode, "Set vsync trigger mode: 1=source, 2=sink");
|
|
+
|
|
#define IMX477_REG_VALUE_08BIT 1
|
|
#define IMX477_REG_VALUE_16BIT 2
|
|
|
|
@@ -98,6 +102,12 @@ MODULE_PARM_DESC(dpc_enable, "Enable on-
|
|
#define IMX477_TEST_PATTERN_B_DEFAULT 0
|
|
#define IMX477_TEST_PATTERN_GB_DEFAULT 0
|
|
|
|
+/* Trigger mode */
|
|
+#define IMX477_REG_MC_MODE 0x3f0b
|
|
+#define IMX477_REG_MS_SEL 0x3041
|
|
+#define IMX477_REG_XVS_IO_CTRL 0x3040
|
|
+#define IMX477_REG_EXTOUT_EN 0x4b81
|
|
+
|
|
/* Embedded metadata stream structure */
|
|
#define IMX477_EMBEDDED_LINE_WIDTH 16384
|
|
#define IMX477_NUM_EMBEDDED_LINES 1
|
|
@@ -1721,6 +1731,21 @@ static int imx477_start_streaming(struct
|
|
imx477_write_reg(imx477, 0x0b05, IMX477_REG_VALUE_08BIT, !!dpc_enable);
|
|
imx477_write_reg(imx477, 0x0b06, IMX477_REG_VALUE_08BIT, !!dpc_enable);
|
|
|
|
+ /* Set vsync trigger mode */
|
|
+ if (trigger_mode != 0) {
|
|
+ /* trigger_mode == 1 for source, 2 for sink */
|
|
+ const u32 val = (trigger_mode == 1) ? 1 : 0;
|
|
+
|
|
+ imx477_write_reg(imx477, IMX477_REG_MC_MODE,
|
|
+ IMX477_REG_VALUE_08BIT, 1);
|
|
+ imx477_write_reg(imx477, IMX477_REG_MS_SEL,
|
|
+ IMX477_REG_VALUE_08BIT, val);
|
|
+ imx477_write_reg(imx477, IMX477_REG_XVS_IO_CTRL,
|
|
+ IMX477_REG_VALUE_08BIT, val);
|
|
+ imx477_write_reg(imx477, IMX477_REG_EXTOUT_EN,
|
|
+ IMX477_REG_VALUE_08BIT, val);
|
|
+ }
|
|
+
|
|
/* Apply customized values from user */
|
|
ret = __v4l2_ctrl_handler_setup(imx477->sd.ctrl_handler);
|
|
if (ret)
|