[media] vpif_capture: move routing info from subdev to input

Routing information is a property of the input, not of the subdev.
One subdev may provide multiple inputs, each with its own routing
information.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Lad, Prabhakar <prabhakar.lad@ti.com>
Tested-by: Lad, Prabhakar <prabhakar.lad@ti.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

arch/arm/mach-davinci/board-da850-evm.c

@@ -1182,8 +1182,11 @@ static const struct vpif_input da850_ch0_inputs[] = {
 			.index = 0,
 			.name  = "Composite",
 			.type  = V4L2_INPUT_TYPE_CAMERA,
+			.capabilities = V4L2_IN_CAP_STD,
 			.std   = TVP514X_STD_ALL,
 		},
+		.input_route = INPUT_CVBS_VI2B,
+		.output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
 		.subdev_name = TVP5147_CH0,
 	},
 };
@@ -1194,8 +1197,11 @@ static const struct vpif_input da850_ch1_inputs[] = {
 			.index = 0,
 			.name  = "S-Video",
 			.type  = V4L2_INPUT_TYPE_CAMERA,
+			.capabilities = V4L2_IN_CAP_STD,
 			.std   = TVP514X_STD_ALL,
 		},
+		.input_route = INPUT_SVIDEO_VI2C_VI1C,
+		.output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
 		.subdev_name = TVP5147_CH1,
 	},
 };
@@ -1207,8 +1213,6 @@ static struct vpif_subdev_info da850_vpif_capture_sdev_info[] = {
 			I2C_BOARD_INFO("tvp5146", 0x5d),
 			.platform_data = &tvp5146_pdata,
 		},
-		.input = INPUT_CVBS_VI2B,
-		.output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
 		.vpif_if = {
 			.if_type = VPIF_IF_BT656,
 			.hd_pol  = 1,
@@ -1222,8 +1226,6 @@ static struct vpif_subdev_info da850_vpif_capture_sdev_info[] = {
 			I2C_BOARD_INFO("tvp5146", 0x5c),
 			.platform_data = &tvp5146_pdata,
 		},
-		.input = INPUT_SVIDEO_VI2C_VI1C,
-		.output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
 		.vpif_if = {
 			.if_type = VPIF_IF_BT656,
 			.hd_pol  = 1,

arch/arm/mach-davinci/board-dm646x-evm.c

@@ -601,8 +601,6 @@ static struct vpif_subdev_info vpif_capture_sdev_info[] = {
 			I2C_BOARD_INFO("tvp5146", 0x5d),
 			.platform_data = &tvp5146_pdata,
 		},
-		.input = INPUT_CVBS_VI2B,
-		.output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
 		.vpif_if = {
 			.if_type = VPIF_IF_BT656,
 			.hd_pol = 1,
@@ -616,8 +614,6 @@ static struct vpif_subdev_info vpif_capture_sdev_info[] = {
 			I2C_BOARD_INFO("tvp5146", 0x5c),
 			.platform_data = &tvp5146_pdata,
 		},
-		.input = INPUT_SVIDEO_VI2C_VI1C,
-		.output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
 		.vpif_if = {
 			.if_type = VPIF_IF_BT656,
 			.hd_pol = 1,
@@ -633,9 +629,12 @@ static const struct vpif_input dm6467_ch0_inputs[] = {
 			.index = 0,
 			.name = "Composite",
 			.type = V4L2_INPUT_TYPE_CAMERA,
+			.capabilities = V4L2_IN_CAP_STD,
 			.std = TVP514X_STD_ALL,
 		},
 		.subdev_name = TVP5147_CH0,
+		.input_route = INPUT_CVBS_VI2B,
+		.output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
 	},
 };
 
@@ -645,9 +644,12 @@ static const struct vpif_input dm6467_ch1_inputs[] = {
 			.index = 0,
 			.name = "S-Video",
 			.type = V4L2_INPUT_TYPE_CAMERA,
+			.capabilities = V4L2_IN_CAP_STD,
 			.std = TVP514X_STD_ALL,
 		},
 		.subdev_name = TVP5147_CH1,
+		.input_route = INPUT_SVIDEO_VI2C_VI1C,
+		.output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
 	},
 };
 

drivers/media/platform/davinci/vpif_capture.c

@@ -1464,6 +1464,9 @@ static int vpif_s_input(struct file *file, void *priv, unsigned int index)
 
 	chan_cfg = &config->chan_config[ch->channel_id];
 
+	if (index >= chan_cfg->input_count)
+		return -EINVAL;
+
 	if (common->started) {
 		vpif_err("Streaming in progress\n");
 		return -EBUSY;
@@ -1502,8 +1505,8 @@ static int vpif_s_input(struct file *file, void *priv, unsigned int index)
 		}
 	}
 
-	input = subdev_info->input;
-	output = subdev_info->output;
+	input = chan_cfg->inputs[index].input_route;
+	output = chan_cfg->inputs[index].output_route;
 	ret = v4l2_subdev_call(vpif_obj.sd[sd_index], video, s_routing,
 			input, output, 0);
 	if (ret < 0 && ret != -ENOIOCTLCMD) {

include/media/davinci/vpif_types.h

@@ -37,8 +37,6 @@ struct vpif_interface {
 struct vpif_subdev_info {
 	const char *name;
 	struct i2c_board_info board_info;
-	u32 input;
-	u32 output;
 	struct vpif_interface vpif_if;
 };
 
@@ -56,6 +54,8 @@ struct vpif_display_config {
 struct vpif_input {
 	struct v4l2_input input;
 	const char *subdev_name;
+	u32 input_route;
+	u32 output_route;
 };
 
 struct vpif_capture_chan_config {