From d6c2a1cabbcdee8afac5c623f8befdb2186c4e78 Mon Sep 17 00:00:00 2001
From: Zefa Chen <zefa.chen@rock-chips.com>
Date: Mon, 6 Sep 2021 22:12:14 +0800
Subject: [PATCH] media: uapi: rk-camera-module: add cmd to get channel info

Signed-off-by: Zefa Chen <zefa.chen@rock-chips.com>
Change-Id: I1a82d1ecce860abd0098404bdee015ced527f5cc
---
 drivers/media/i2c/gc02m2.c            |  5 ----
 drivers/media/i2c/gc2053.c            | 16 ++++++-------
 drivers/media/i2c/gc2093.c            |  8 -------
 drivers/media/i2c/gc4663.c            |  8 -------
 drivers/media/i2c/gc4c33.c            |  8 -------
 drivers/media/i2c/imx334.c            |  8 -------
 drivers/media/i2c/imx335.c            |  8 -------
 drivers/media/i2c/imx347.c            |  8 -------
 drivers/media/i2c/imx378.c            |  8 -------
 drivers/media/i2c/imx415.c            |  8 -------
 drivers/media/i2c/jx_f37.c            |  8 -------
 drivers/media/i2c/nvp6188.c           |  8 -------
 drivers/media/i2c/os02g10.c           |  8 -------
 drivers/media/i2c/os04a10.c           |  8 -------
 drivers/media/i2c/os05a20.c           |  8 -------
 drivers/media/i2c/ov02b10.c           |  8 -------
 drivers/media/i2c/ov02k10.c           |  8 -------
 drivers/media/i2c/ov12d2q.c           |  8 -------
 drivers/media/i2c/ov2718.c            |  8 -------
 drivers/media/i2c/ov2775.c            |  8 -------
 drivers/media/i2c/ov4686.c            |  8 -------
 drivers/media/i2c/ov4688.c            |  8 -------
 drivers/media/i2c/ov4689.c            |  8 -------
 drivers/media/i2c/sc200ai.c           |  8 -------
 drivers/media/i2c/sc210iot.c          |  8 -------
 drivers/media/i2c/sc2232.c            |  8 -------
 drivers/media/i2c/sc2310.c            |  8 -------
 drivers/media/i2c/sc4238.c            |  8 -------
 drivers/media/i2c/sc430cs.c           |  8 -------
 drivers/media/i2c/sc500ai.c           |  8 -------
 drivers/media/i2c/tp2855.c            |  8 -------
 include/uapi/linux/rk-camera-module.h | 33 +++++++++++++++++++++++++++
 32 files changed, 40 insertions(+), 246 deletions(-)

diff --git a/drivers/media/i2c/gc02m2.c b/drivers/media/i2c/gc02m2.c
index 4f8962eedc0a..7181832def38 100644
--- a/drivers/media/i2c/gc02m2.c
+++ b/drivers/media/i2c/gc02m2.c
@@ -93,11 +93,6 @@ static const char * const gc02m2_supply_names[] = {
 
 #define to_gc02m2(sd) container_of(sd, struct gc02m2, subdev)
 
-enum gc02m2_max_pad {
-	PAD0,
-	PAD_MAX,
-};
-
 struct regval {
 	u8 addr;
 	u8 val;
diff --git a/drivers/media/i2c/gc2053.c b/drivers/media/i2c/gc2053.c
index 04562af60ea0..d7fe4e871f98 100644
--- a/drivers/media/i2c/gc2053.c
+++ b/drivers/media/i2c/gc2053.c
@@ -95,11 +95,6 @@ static const char * const gc2053_supply_names[] = {
 
 #define to_gc2053(sd) container_of(sd, struct gc2053, subdev)
 
-enum gc2053_max_pad {
-	PAD0,
-	PAD_MAX,
-};
-
 struct regval {
 	u8 addr;
 	u8 val;
@@ -429,7 +424,7 @@ gc2053_find_best_fit(struct gc2053 *gc2053, struct v4l2_subdev_format *fmt)
 	return &supported_modes[cur_best_fit];
 }
 
-static uint8_t gain_reg_table[29][4] = {
+static const uint8_t gain_reg_table[29][4] = {
 	{0x00, 0x00, 0x01, 0x00},
 	{0x00, 0x10, 0x01, 0x0c},
 	{0x00, 0x20, 0x01, 0x1b},
@@ -461,7 +456,7 @@ static uint8_t gain_reg_table[29][4] = {
 	{0x00, 0xce, 0x3f, 0x3f},
 };
 
-static  uint32_t gain_level_table[30] = {
+static const uint32_t gain_level_table[30] = {
 	64,
 	76,
 	91,
@@ -499,14 +494,17 @@ static int gc2053_set_gain(struct gc2053 *gc2053, u32 gain)
 	int ret;
 	uint8_t i = 0;
 	uint8_t total = 0;
-	uint8_t temp = 0;
+	uint32_t temp = 0;
 
 	total = sizeof(gain_level_table) / sizeof(u32) - 1;
-	for (i = 0; i < total; i++) {
+	for (i = 0; i <= total; i++) {
 		if ((gain_level_table[i] <= gain) && (gain < gain_level_table[i+1]))
 			break;
 	}
 
+	if (i > total)
+		i = total;
+
 	ret = gc2053_write_reg(gc2053->client, 0xb4, gain_reg_table[i][0]);
 	ret |= gc2053_write_reg(gc2053->client, 0xb3, gain_reg_table[i][1]);
 	ret |= gc2053_write_reg(gc2053->client, 0xb8, gain_reg_table[i][2]);
diff --git a/drivers/media/i2c/gc2093.c b/drivers/media/i2c/gc2093.c
index c8d15ca23520..58301aa4c950 100644
--- a/drivers/media/i2c/gc2093.c
+++ b/drivers/media/i2c/gc2093.c
@@ -89,14 +89,6 @@ static const char * const gc2093_supply_names[] = {
 
 #define to_gc2093(sd) container_of(sd, struct gc2093, subdev)
 
-enum {
-	PAD0,
-	PAD1,
-	PAD2,
-	PAD3,
-	PAD_MAX,
-};
-
 enum {
 	LINK_FREQ_150M_INDEX,
 	LINK_FREQ_300M_INDEX,
diff --git a/drivers/media/i2c/gc4663.c b/drivers/media/i2c/gc4663.c
index 89ecdc8cb3c1..e5ad07847d52 100644
--- a/drivers/media/i2c/gc4663.c
+++ b/drivers/media/i2c/gc4663.c
@@ -99,14 +99,6 @@ static const char * const gc4663_supply_names[] = {
 
 #define GC4663_NUM_SUPPLIES ARRAY_SIZE(gc4663_supply_names)
 
-enum gc4663_max_pad {
-	PAD0, /* link to isp */
-	PAD1, /* link to csi wr0 | hdr x2:L x3:M */
-	PAD2, /* link to csi wr1 | hdr      x3:L */
-	PAD3, /* link to csi wr2 | hdr x2:M x3:S */
-	PAD_MAX,
-};
-
 struct regval {
 	u16 addr;
 	u8 val;
diff --git a/drivers/media/i2c/gc4c33.c b/drivers/media/i2c/gc4c33.c
index b53250542b60..f45b5510f96b 100644
--- a/drivers/media/i2c/gc4c33.c
+++ b/drivers/media/i2c/gc4c33.c
@@ -107,14 +107,6 @@ static const char * const gc4c33_supply_names[] = {
 
 #define GC4C33_NUM_SUPPLIES ARRAY_SIZE(gc4c33_supply_names)
 
-enum gc4c33_max_pad {
-	PAD0, /* link to isp */
-	PAD1, /* link to csi wr0 | hdr x2:L x3:M */
-	PAD2, /* link to csi wr1 | hdr      x3:L */
-	PAD3, /* link to csi wr2 | hdr x2:M x3:S */
-	PAD_MAX,
-};
-
 struct regval {
 	u16 addr;
 	u8 val;
diff --git a/drivers/media/i2c/imx334.c b/drivers/media/i2c/imx334.c
index e2b157ff1089..1e2792aef397 100644
--- a/drivers/media/i2c/imx334.c
+++ b/drivers/media/i2c/imx334.c
@@ -137,14 +137,6 @@ static const char * const imx334_supply_names[] = {
 
 #define IMX334_NUM_SUPPLIES ARRAY_SIZE(imx334_supply_names)
 
-enum imx334_max_pad {
-	PAD0, /* link to isp */
-	PAD1, /* link to csi wr0 | hdr x2:L x3:M */
-	PAD2, /* link to csi wr1 | hdr      x3:L */
-	PAD3, /* link to csi wr2 | hdr x2:M x3:S */
-	PAD_MAX,
-};
-
 struct regval {
 	u16 addr;
 	u8 val;
diff --git a/drivers/media/i2c/imx335.c b/drivers/media/i2c/imx335.c
index 30922f3c8c96..d33d16c0c799 100644
--- a/drivers/media/i2c/imx335.c
+++ b/drivers/media/i2c/imx335.c
@@ -158,14 +158,6 @@ static const char * const imx335_supply_names[] = {
 
 #define IMX335_NUM_SUPPLIES ARRAY_SIZE(imx335_supply_names)
 
-enum imx335_max_pad {
-	PAD0, /* link to isp */
-	PAD1, /* link to csi wr0 | hdr x2:L x3:M */
-	PAD2, /* link to csi wr1 | hdr      x3:L */
-	PAD3, /* link to csi wr2 | hdr x2:M x3:S */
-	PAD_MAX,
-};
-
 struct regval {
 	u16 addr;
 	u8 val;
diff --git a/drivers/media/i2c/imx347.c b/drivers/media/i2c/imx347.c
index 76fb99bdbc8a..d2afb7051bbd 100644
--- a/drivers/media/i2c/imx347.c
+++ b/drivers/media/i2c/imx347.c
@@ -149,14 +149,6 @@ static const char * const imx347_supply_names[] = {
 
 #define IMX347_NUM_SUPPLIES ARRAY_SIZE(imx347_supply_names)
 
-enum imx347_max_pad {
-	PAD0, /* link to isp */
-	PAD1, /* link to csi wr0 | hdr x2:L x3:M */
-	PAD2, /* link to csi wr1 | hdr      x3:L */
-	PAD3, /* link to csi wr2 | hdr x2:M x3:S */
-	PAD_MAX,
-};
-
 struct regval {
 	u16 addr;
 	u8 val;
diff --git a/drivers/media/i2c/imx378.c b/drivers/media/i2c/imx378.c
index 48674ef6aa82..967d503dbcb1 100644
--- a/drivers/media/i2c/imx378.c
+++ b/drivers/media/i2c/imx378.c
@@ -127,14 +127,6 @@ static const char * const imx378_supply_names[] = {
 
 #define IMX378_NUM_SUPPLIES ARRAY_SIZE(imx378_supply_names)
 
-enum imx378_max_pad {
-	PAD0, /* link to isp */
-	PAD1, /* link to csi wr0 | hdr x2:L x3:M */
-	PAD2, /* link to csi wr1 | hdr      x3:L */
-	PAD3, /* link to csi wr2 | hdr x2:M x3:S */
-	PAD_MAX,
-};
-
 struct regval {
 	u16 addr;
 	u8 val;
diff --git a/drivers/media/i2c/imx415.c b/drivers/media/i2c/imx415.c
index 46f8639d9300..0b9460e8e5fa 100644
--- a/drivers/media/i2c/imx415.c
+++ b/drivers/media/i2c/imx415.c
@@ -169,14 +169,6 @@ static const char * const imx415_supply_names[] = {
 
 #define IMX415_NUM_SUPPLIES ARRAY_SIZE(imx415_supply_names)
 
-enum imx415_max_pad {
-	PAD0, /* link to isp */
-	PAD1, /* link to csi wr0 | hdr x2:L x3:M */
-	PAD2, /* link to csi wr1 | hdr      x3:L */
-	PAD3, /* link to csi wr2 | hdr x2:M x3:S */
-	PAD_MAX,
-};
-
 struct regval {
 	u16 addr;
 	u8 val;
diff --git a/drivers/media/i2c/jx_f37.c b/drivers/media/i2c/jx_f37.c
index e8361b110d04..35b207a139e6 100644
--- a/drivers/media/i2c/jx_f37.c
+++ b/drivers/media/i2c/jx_f37.c
@@ -93,14 +93,6 @@ struct regval {
 	u8 val;
 };
 
-enum jx_f37_max_pad {
-	PAD0, /* link to isp */
-	PAD1, /* link to csi wr0 | hdr x2:L x3:M */
-	PAD2, /* link to csi wr1 | hdr      x3:L */
-	PAD3, /* link to csi wr2 | hdr x2:M x3:S */
-	PAD_MAX,
-};
-
 struct jx_f37_mode {
 	u32 width;
 	u32 height;
diff --git a/drivers/media/i2c/nvp6188.c b/drivers/media/i2c/nvp6188.c
index 18622538ee2a..02090a61638a 100644
--- a/drivers/media/i2c/nvp6188.c
+++ b/drivers/media/i2c/nvp6188.c
@@ -84,14 +84,6 @@
 #define NVP_RESO_960P_NSTC_VALUE	0xa0
 #define NVP_RESO_960P_PAL_VALUE	0xa1
 
-enum nvp6188_max_pad {
-	PAD0,
-	PAD1,
-	PAD2,
-	PAD3,
-	PAD_MAX,
-};
-
 enum nvp6188_support_reso {
 	NVP_RESO_UNKOWN = 0,
 	NVP_RESO_960H_PAL,
diff --git a/drivers/media/i2c/os02g10.c b/drivers/media/i2c/os02g10.c
index 5c9f8af494bf..21af8928f665 100644
--- a/drivers/media/i2c/os02g10.c
+++ b/drivers/media/i2c/os02g10.c
@@ -101,14 +101,6 @@ static const char * const OS02G10_supply_names[] = {
 
 #define OS02G10_NUM_SUPPLIES ARRAY_SIZE(OS02G10_supply_names)
 
-enum os02g10_max_pad {
-	PAD0,
-	PAD1,
-	PAD2,
-	PAD3,
-	PAD_MAX,
-};
-
 struct regval {
 	u8 addr;
 	u8 val;
diff --git a/drivers/media/i2c/os04a10.c b/drivers/media/i2c/os04a10.c
index 3abef3690521..7a61074de65c 100644
--- a/drivers/media/i2c/os04a10.c
+++ b/drivers/media/i2c/os04a10.c
@@ -123,14 +123,6 @@ static const char * const os04a10_supply_names[] = {
 #define MIRROR_BIT_MASK			BIT(1)
 #define FLIP_BIT_MASK			BIT(2)
 
-enum os04a10_max_pad {
-	PAD0,
-	PAD1,
-	PAD2,
-	PAD3,
-	PAD_MAX,
-};
-
 struct regval {
 	u16 addr;
 	u8 val;
diff --git a/drivers/media/i2c/os05a20.c b/drivers/media/i2c/os05a20.c
index a8d63b6d53a7..3ca1b2df6086 100644
--- a/drivers/media/i2c/os05a20.c
+++ b/drivers/media/i2c/os05a20.c
@@ -106,14 +106,6 @@ static const char * const os05a20_supply_names[] = {
 #define MIRROR_BIT_MASK			BIT(2)
 #define FLIP_BIT_MASK			BIT(2)
 
-enum os05a20_max_pad {
-	PAD0,
-	PAD1,
-	PAD2,
-	PAD3,
-	PAD_MAX,
-};
-
 struct regval {
 	u16 addr;
 	u8 val;
diff --git a/drivers/media/i2c/ov02b10.c b/drivers/media/i2c/ov02b10.c
index c683e6fa3077..265c72d1ea49 100644
--- a/drivers/media/i2c/ov02b10.c
+++ b/drivers/media/i2c/ov02b10.c
@@ -98,14 +98,6 @@ static const char * const OV02B10_supply_names[] = {
 
 #define OV02B10_NUM_SUPPLIES ARRAY_SIZE(OV02B10_supply_names)
 
-enum ov02b10_max_pad {
-	PAD0,
-	PAD1,
-	PAD2,
-	PAD3,
-	PAD_MAX,
-};
-
 struct regval {
 	u8 addr;
 	u8 val;
diff --git a/drivers/media/i2c/ov02k10.c b/drivers/media/i2c/ov02k10.c
index 3db05bef8cc3..a57cc643d806 100644
--- a/drivers/media/i2c/ov02k10.c
+++ b/drivers/media/i2c/ov02k10.c
@@ -116,14 +116,6 @@ static const char * const ov02k10_supply_names[] = {
 
 #define OV02K10_NUM_SUPPLIES ARRAY_SIZE(ov02k10_supply_names)
 
-enum ov02k10_max_pad {
-	PAD0,
-	PAD1,
-	PAD2,
-	PAD3,
-	PAD_MAX,
-};
-
 struct regval {
 	u16 addr;
 	u8 val;
diff --git a/drivers/media/i2c/ov12d2q.c b/drivers/media/i2c/ov12d2q.c
index 319e7c1980a1..66d5830e901c 100644
--- a/drivers/media/i2c/ov12d2q.c
+++ b/drivers/media/i2c/ov12d2q.c
@@ -117,14 +117,6 @@ static const char * const ov12d2q_supply_names[] = {
 #define MIRROR_BIT_MASK			BIT(2)
 #define FLIP_BIT_MASK			BIT(2)
 
-enum ov12d2q_max_pad {
-	PAD0,
-	PAD1,
-	PAD2,
-	PAD3,
-	PAD_MAX,
-};
-
 struct regval {
 	u16 addr;
 	u8 val;
diff --git a/drivers/media/i2c/ov2718.c b/drivers/media/i2c/ov2718.c
index 45b96d6d0a54..0eb234c0f9cc 100644
--- a/drivers/media/i2c/ov2718.c
+++ b/drivers/media/i2c/ov2718.c
@@ -110,14 +110,6 @@
 
 #define OV2718_NAME			"ov2718"
 
-enum ov2718_max_pad {
-	PAD0, /* link to isp */
-	PAD1, /* link to csi wr0 | hdr x2:L x3:M */
-	PAD2, /* link to csi wr1 | hdr      x3:L */
-	PAD3, /* link to csi wr2 | hdr x2:M x3:S */
-	PAD_MAX,
-};
-
 struct ov2718_gpio {
 	int pltfrm_gpio;
 	const char *label;
diff --git a/drivers/media/i2c/ov2775.c b/drivers/media/i2c/ov2775.c
index 909547715e63..589b7bf6dc42 100644
--- a/drivers/media/i2c/ov2775.c
+++ b/drivers/media/i2c/ov2775.c
@@ -94,14 +94,6 @@
 
 #define OV2775_NAME			"ov2775"
 
-enum ov2775_max_pad {
-	PAD0, /* link to isp */
-	PAD1, /* link to csi wr0 | hdr x2:L x3:M */
-	PAD2, /* link to csi wr1 | hdr      x3:L */
-	PAD3, /* link to csi wr2 | hdr x2:M x3:S */
-	PAD_MAX,
-};
-
 struct ov2775_gpio {
 	int pltfrm_gpio;
 	const char *label;
diff --git a/drivers/media/i2c/ov4686.c b/drivers/media/i2c/ov4686.c
index 3658e37722e5..e587b68de24b 100644
--- a/drivers/media/i2c/ov4686.c
+++ b/drivers/media/i2c/ov4686.c
@@ -104,14 +104,6 @@ static const char * const OV4686_supply_names[] = {
 
 #define OV4686_NUM_SUPPLIES ARRAY_SIZE(OV4686_supply_names)
 
-enum OV4686_max_pad {
-	PAD0, /* link to isp */
-	PAD1, /* link to csi wr0 | hdr x2:L x3:M */
-	PAD2, /* link to csi wr1 | hdr      x3:L */
-	PAD3, /* link to csi wr2 | hdr x2:M x3:S */
-	PAD_MAX,
-};
-
 struct regval {
 	u16 addr;
 	u8 val;
diff --git a/drivers/media/i2c/ov4688.c b/drivers/media/i2c/ov4688.c
index 41504936fc4d..5923ca002bbd 100644
--- a/drivers/media/i2c/ov4688.c
+++ b/drivers/media/i2c/ov4688.c
@@ -103,14 +103,6 @@ static const char * const ov4688_supply_names[] = {
 
 #define OV4688_NUM_SUPPLIES ARRAY_SIZE(ov4688_supply_names)
 
-enum ov4688_max_pad {
-	PAD0, /* link to isp */
-	PAD1, /* link to csi wr0 | hdr x2:L x3:M */
-	PAD2, /* link to csi wr1 | hdr      x3:L */
-	PAD3, /* link to csi wr2 | hdr x2:M x3:S */
-	PAD_MAX,
-};
-
 struct regval {
 	u16 addr;
 	u8 val;
diff --git a/drivers/media/i2c/ov4689.c b/drivers/media/i2c/ov4689.c
index 2e31d6c0fd73..9f5623d052f5 100644
--- a/drivers/media/i2c/ov4689.c
+++ b/drivers/media/i2c/ov4689.c
@@ -106,14 +106,6 @@ static const char * const ov4689_supply_names[] = {
 
 #define OV4689_NUM_SUPPLIES ARRAY_SIZE(ov4689_supply_names)
 
-enum ov4689_max_pad {
-	PAD0, /* link to isp */
-	PAD1, /* link to csi wr0 | hdr x2:L x3:M */
-	PAD2, /* link to csi wr1 | hdr      x3:L */
-	PAD3, /* link to csi wr2 | hdr x2:M x3:S */
-	PAD_MAX,
-};
-
 struct regval {
 	u16 addr;
 	u8 val;
diff --git a/drivers/media/i2c/sc200ai.c b/drivers/media/i2c/sc200ai.c
index 8b9dd82ada0b..f8a9aef84ed3 100644
--- a/drivers/media/i2c/sc200ai.c
+++ b/drivers/media/i2c/sc200ai.c
@@ -125,14 +125,6 @@ static const char * const sc200ai_supply_names[] = {
 
 #define SC200AI_NUM_SUPPLIES ARRAY_SIZE(sc200ai_supply_names)
 
-enum sc200ai_max_pad {
-	PAD0, /* link to isp */
-	PAD1, /* link to csi wr0 | hdr x2:L x3:M */
-	PAD2, /* link to csi wr1 | hdr      x3:L */
-	PAD3, /* link to csi wr2 | hdr x2:M x3:S */
-	PAD_MAX,
-};
-
 struct regval {
 	u16 addr;
 	u8 val;
diff --git a/drivers/media/i2c/sc210iot.c b/drivers/media/i2c/sc210iot.c
index 46418a3694cc..fdb8fc9c1ead 100644
--- a/drivers/media/i2c/sc210iot.c
+++ b/drivers/media/i2c/sc210iot.c
@@ -88,14 +88,6 @@ static const char * const sc210iot_supply_names[] = {
 
 #define to_sc210iot(sd) container_of(sd, struct sc210iot, subdev)
 
-enum {
-	PAD0,
-	PAD1,
-	PAD2,
-	PAD3,
-	PAD_MAX,
-};
-
 enum {
 	LINK_FREQ_INDEX,
 };
diff --git a/drivers/media/i2c/sc2232.c b/drivers/media/i2c/sc2232.c
index 3e51882c927f..15d90295d98d 100644
--- a/drivers/media/i2c/sc2232.c
+++ b/drivers/media/i2c/sc2232.c
@@ -93,14 +93,6 @@ static const char * const sc2232_supply_names[] = {
 
 #define SC2232_NUM_SUPPLIES ARRAY_SIZE(sc2232_supply_names)
 
-enum sc2232_max_pad {
-	PAD0,
-	PAD1,
-	PAD2,
-	PAD3,
-	PAD_MAX,
-};
-
 struct regval {
 	u16 addr;
 	u8 val;
diff --git a/drivers/media/i2c/sc2310.c b/drivers/media/i2c/sc2310.c
index 536d96cd790b..54302e058bd0 100644
--- a/drivers/media/i2c/sc2310.c
+++ b/drivers/media/i2c/sc2310.c
@@ -121,14 +121,6 @@ static const char * const sc2310_supply_names[] = {
 
 #define SC2310_NUM_SUPPLIES ARRAY_SIZE(sc2310_supply_names)
 
-enum sc2310_max_pad {
-	PAD0,
-	PAD1,
-	PAD2,
-	PAD3,
-	PAD_MAX,
-};
-
 struct regval {
 	u16 addr;
 	u8 val;
diff --git a/drivers/media/i2c/sc4238.c b/drivers/media/i2c/sc4238.c
index ebb973c40026..dd1e76b5cd63 100644
--- a/drivers/media/i2c/sc4238.c
+++ b/drivers/media/i2c/sc4238.c
@@ -114,14 +114,6 @@ static const char * const sc4238_supply_names[] = {
 #define MIRROR_BIT_MASK			(BIT(1) | BIT(2))
 #define FLIP_BIT_MASK			(BIT(6) | BIT(5))
 
-enum sc4238_max_pad {
-	PAD0,
-	PAD1,
-	PAD2,
-	PAD3,
-	PAD_MAX,
-};
-
 struct regval {
 	u16 addr;
 	u8 val;
diff --git a/drivers/media/i2c/sc430cs.c b/drivers/media/i2c/sc430cs.c
index 5ff68505e2ae..59014319f186 100644
--- a/drivers/media/i2c/sc430cs.c
+++ b/drivers/media/i2c/sc430cs.c
@@ -113,14 +113,6 @@ static const char * const sc430cs_supply_names[] = {
 
 #define SC430CS_NUM_SUPPLIES ARRAY_SIZE(sc430cs_supply_names)
 
-enum sc430cs_max_pad {
-	PAD0, /* link to isp */
-	PAD1, /* link to csi wr0 | hdr x2:L x3:M */
-	PAD2, /* link to csi wr1 | hdr      x3:L */
-	PAD3, /* link to csi wr2 | hdr x2:M x3:S */
-	PAD_MAX,
-};
-
 struct regval {
 	u16 addr;
 	u8 val;
diff --git a/drivers/media/i2c/sc500ai.c b/drivers/media/i2c/sc500ai.c
index 51538f006d7c..57dc8328530d 100644
--- a/drivers/media/i2c/sc500ai.c
+++ b/drivers/media/i2c/sc500ai.c
@@ -123,14 +123,6 @@ static const char * const sc500ai_supply_names[] = {
 
 #define sc500ai_NUM_SUPPLIES ARRAY_SIZE(sc500ai_supply_names)
 
-enum sc500ai_max_pad {
-	PAD0, /* link to isp */
-	PAD1, /* link to csi wr0 | hdr x2:L x3:M */
-	PAD2, /* link to csi wr1 | hdr      x3:L */
-	PAD3, /* link to csi wr2 | hdr x2:M x3:S */
-	PAD_MAX,
-};
-
 struct regval {
 	u16 addr;
 	u8 val;
diff --git a/drivers/media/i2c/tp2855.c b/drivers/media/i2c/tp2855.c
index 1efca73a5235..05004fba0215 100644
--- a/drivers/media/i2c/tp2855.c
+++ b/drivers/media/i2c/tp2855.c
@@ -49,14 +49,6 @@
 #define OF_CAMERA_PINCTRL_STATE_DEFAULT		"rockchip,camera_default"
 #define OF_CAMERA_PINCTRL_STATE_SLEEP		"rockchip,camera_sleep"
 
-enum tp2855_max_pad {
-	PAD0,
-	PAD1,
-	PAD2,
-	PAD3,
-	PAD_MAX,
-};
-
 enum{
 	CH_1=0,
 	CH_2=1,
diff --git a/include/uapi/linux/rk-camera-module.h b/include/uapi/linux/rk-camera-module.h
index 65196037ecda..c7ee21f49bfc 100644
--- a/include/uapi/linux/rk-camera-module.h
+++ b/include/uapi/linux/rk-camera-module.h
@@ -104,6 +104,9 @@
 #define RKMODULE_GET_SONY_BRL	\
 	_IOR('V', BASE_VIDIOC_PRIVATE + 19, __u32)
 
+#define RKMODULE_GET_CHANNEL_INFO	\
+	_IOR('V', BASE_VIDIOC_PRIVATE + 20, struct rkmodule_channel_info)
+
 /**
  * struct rkmodule_base_inf - module base information
  *
@@ -434,4 +437,34 @@ struct rkmodule_dcg_ratio {
 	__u32 div_coeff;
 };
 
+struct rkmodule_channel_info {
+	__u32 index;
+	__u32 vc;
+	__u32 width;
+	__u32 height;
+	__u32 bus_fmt;
+} __attribute__ ((packed));
+
+/*
+ * link to vicap
+ * linear mode: pad0~pad3 for id0~id3;
+ *
+ * HDR_X2: id0 fiexd to vc0 for long frame
+ *         id1 fixed to vc1 for short frame;
+ *         id2~id3 reserved, can config by PAD2~PAD3
+ *
+ * HDR_X3: id0 fiexd to vc0 for long frame
+ *         id1 fixed to vc1 for middle frame
+ *         id2 fixed to vc2 for short frame;
+ *         id3 reserved, can config by PAD3
+ *
+ * link to isp, the connection relationship is as follows
+ */
+enum rkmodule_max_pad {
+	PAD0, /* link to isp */
+	PAD1, /* link to csi wr0 | hdr x2:L x3:M */
+	PAD2, /* link to csi wr1 | hdr      x3:L */
+	PAD3, /* link to csi wr2 | hdr x2:M x3:S */
+	PAD_MAX,
+};
 #endif /* _UAPI_RKMODULE_CAMERA_H */