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From 4f8c6f74c5b107277a269ab559dabcb3ab574da8 Mon Sep 17 00:00:00 2001
From: Andrey Dolnikov <andrey.dolnikov@cogentembedded.com>
Date: Thu, 10 Jan 2019 18:15:44 +0300
Subject: [PATCH 090/122] media: soc_camera: imx390: Add new V4L controls
Add vertical and horizontal flips and digital and analog gains support.
---
drivers/media/i2c/soc_camera/imx390.c | 62 +++++++++++++++++++++++++++++++----
1 file changed, 56 insertions(+), 6 deletions(-)
diff --git a/drivers/media/i2c/soc_camera/imx390.c b/drivers/media/i2c/soc_camera/imx390.c
index fc73b4b..1834195 100644
--- a/drivers/media/i2c/soc_camera/imx390.c
+++ b/drivers/media/i2c/soc_camera/imx390.c
@@ -249,6 +249,7 @@ static int imx390_s_ctrl(struct v4l2_ctrl *ctrl)
struct imx390_priv *priv = to_imx390(client);
int ret = -EINVAL;
int val;
+ uint8_t val8;
if (!priv->init_complete)
return 0;
@@ -264,11 +265,29 @@ static int imx390_s_ctrl(struct v4l2_ctrl *ctrl)
break;
case V4L2_CID_GAIN:
/* Digital gain */
- ret = 0;
+ /* Set PGA_GAIN_SP1H as Normal SP1 HCG mode is configured in wizard */
+ val8 = ctrl->val & 0xff;
+ ret = reg16_write(client, 0x24, val8);
+#if 0 // stubs for other normal modes and HDR
+ /* Set PGA_GAIN_SP1L as Normal SP1 LCG mode is configured in wizard */
+ val8 = ctrl->val & 0xff;
+ ret = reg16_write(client, 0x26, val8);
+
+ /* Set PGA_GAIN_SP2 as Normal SP2 mode is configured in wizard */
+ val8 = ctrl->val & 0xff;
+ ret = reg16_write(client, 0x28, val8);
+#endif
break;
case V4L2_CID_ANALOGUE_GAIN:
/* Analog gain */
- ret = 0;
+ /* Set AGAIN_SP1H as Normal SP1 HCG mode is configured in wizard */
+ val8 = ctrl->val & 0xff;
+ ret = reg16_write(client, 0x18, val8);
+#if 0 // stubs for other normal modes and HDR
+ /* Set AGAIN_SP1L as Normal SP1 LCG mode is configured in wizard */
+ val8 = ctrl->val & 0xff;
+ ret = reg16_write(client, 0x1A, val8);
+#endif
break;
case V4L2_CID_EXPOSURE:
val = 0xfff - ctrl->val;
@@ -277,7 +296,38 @@ static int imx390_s_ctrl(struct v4l2_ctrl *ctrl)
// ret |= reg16_write(client, 0x0e, ctrl->val >> 16); /* MSB */
break;
case V4L2_CID_HFLIP:
+ /* hflip */
+ ret = reg16_read(client, 0x74, &val8);
+ if (ctrl->val)
+ val8 |= (1 << 1);
+ else
+ val8 &= ~(1 << 1);
+ ret |= reg16_write(client, 0x74, val8);
+
+ /* hflip app lock */
+ ret = reg16_read(client, 0x3c0, &val8);
+ if (ctrl->val)
+ val8 |= (1 << 3);
+ else
+ val8 &= ~(1 << 3);
+ ret |= reg16_write(client, 0x3c0, val8);
+ break;
case V4L2_CID_VFLIP:
+ /* vflip */
+ ret = reg16_read(client, 0x74, &val8);
+ if (ctrl->val)
+ val8 |= (1 << 0);
+ else
+ val8 &= ~(1 << 0);
+ ret |= reg16_write(client, 0x74, val8);
+
+ /* vflip app lock */
+ ret = reg16_read(client, 0x3c0, &val8);
+ if (ctrl->val)
+ val8 |= (1 << 2);
+ else
+ val8 &= ~(1 << 2);
+ ret |= reg16_write(client, 0x3c0, val8);
break;
}
@@ -452,7 +502,7 @@ static int imx390_probe(struct i2c_client *client,
priv->sd.flags = V4L2_SUBDEV_FL_HAS_DEVNODE;
priv->exposure = 0x100;
- priv->gain = 0x100;
+ priv->gain = 0;
priv->autogain = 1;
v4l2_ctrl_handler_init(&priv->hdl, 4);
v4l2_ctrl_new_std(&priv->hdl, &imx390_ctrl_ops,
@@ -470,13 +520,13 @@ static int imx390_probe(struct i2c_client *client,
v4l2_ctrl_new_std(&priv->hdl, &imx390_ctrl_ops,
V4L2_CID_AUTOGAIN, 0, 1, 1, priv->autogain);
v4l2_ctrl_new_std(&priv->hdl, &imx390_ctrl_ops,
- V4L2_CID_GAIN, 0, 0xffff, 1, priv->gain);
+ V4L2_CID_GAIN, 0, 140, 1, priv->gain);
v4l2_ctrl_new_std(&priv->hdl, &imx390_ctrl_ops,
- V4L2_CID_ANALOGUE_GAIN, 1, 0xe, 1, 0x7);
+ V4L2_CID_ANALOGUE_GAIN, 0, 100, 1, 0x15);
v4l2_ctrl_new_std(&priv->hdl, &imx390_ctrl_ops,
V4L2_CID_EXPOSURE, 0, 0xff0, 1, 0xfff - 0x2f2);
v4l2_ctrl_new_std(&priv->hdl, &imx390_ctrl_ops,
- V4L2_CID_HFLIP, 0, 1, 1, 1);
+ V4L2_CID_HFLIP, 0, 1, 1, 0);
v4l2_ctrl_new_std(&priv->hdl, &imx390_ctrl_ops,
V4L2_CID_VFLIP, 0, 1, 1, 0);
priv->sd.ctrl_handler = &priv->hdl;
--
2.7.4
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