media: ti-vpe: cal: Store sensor-related data in cal_camerarx

The sensor is connected to the CAMERARX. Store its pointer, as well as
the sensor pixel rate and the endpoint, in the cal_camerarx. This
prepares for decoupling the cal_camerarx and cal_ctx.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/platform/ti-vpe/cal.c

@@ -339,6 +339,10 @@ struct cal_camerarx {
 
 	struct cal_dev		*cal;
 	unsigned int		instance;
+
+	struct v4l2_fwnode_endpoint	endpoint;
+	struct v4l2_subdev	*sensor;
+	unsigned int		external_rate;
 };
 
 struct cal_dev {
@@ -369,8 +373,6 @@ struct cal_ctx {
 	struct v4l2_ctrl_handler ctrl_handler;
 	struct video_device	vdev;
 	struct v4l2_async_notifier notifier;
-	struct v4l2_subdev	*sensor;
-	struct v4l2_fwnode_endpoint	endpoint;
 
 	struct cal_dev		*cal;
 	struct cal_camerarx	*phy;
@@ -394,7 +396,6 @@ struct cal_ctx {
 	unsigned int		num_active_fmt;
 
 	unsigned int		sequence;
-	unsigned int		external_rate;
 	struct vb2_queue	vb_vidq;
 	unsigned int		csi2_port;
 	unsigned int		cport;
@@ -587,6 +588,7 @@ static struct cal_camerarx *cc_create(struct cal_dev *cal,
 
 	phy->cal = cal;
 	phy->instance = instance;
+	phy->external_rate = 192000000;
 
 	phy->res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
 						(instance == 0) ?
@@ -778,12 +780,12 @@ static void csi2_phy_config(struct cal_ctx *ctx)
 	unsigned int ths_term, ths_settle;
 	unsigned int csi2_ddrclk_khz;
 	struct v4l2_fwnode_bus_mipi_csi2 *mipi_csi2 =
-			&ctx->endpoint.bus.mipi_csi2;
+			&ctx->phy->endpoint.bus.mipi_csi2;
 	u32 num_lanes = mipi_csi2->num_data_lanes;
 
 	/* DPHY timing configuration */
 	/* CSI-2 is DDR and we only count used lanes. */
-	csi2_ddrclk_khz = ctx->external_rate / 1000
+	csi2_ddrclk_khz = ctx->phy->external_rate / 1000
 		/ (2 * num_lanes) * ctx->fmt->bpp;
 	ctx_dbg(1, ctx, "csi2_ddrclk_khz: %d\n", csi2_ddrclk_khz);
 
@@ -978,7 +980,7 @@ static void csi2_lane_config(struct cal_ctx *ctx)
 	u32 lane_mask = CAL_CSI2_COMPLEXIO_CFG_CLOCK_POSITION_MASK;
 	u32 polarity_mask = CAL_CSI2_COMPLEXIO_CFG_CLOCK_POL_MASK;
 	struct v4l2_fwnode_bus_mipi_csi2 *mipi_csi2 =
-		&ctx->endpoint.bus.mipi_csi2;
+		&ctx->phy->endpoint.bus.mipi_csi2;
 	int lane;
 
 	set_field(&val, mipi_csi2->clock_lane + 1, lane_mask);
@@ -1149,22 +1151,22 @@ static void cal_wr_dma_addr(struct cal_ctx *ctx, unsigned int dmaaddr)
 	reg_write(ctx->cal, CAL_WR_DMA_ADDR(ctx->csi2_port), dmaaddr);
 }
 
-static int cal_get_external_info(struct cal_ctx *ctx)
+static int cal_get_external_info(struct cal_camerarx *phy)
 {
 	struct v4l2_ctrl *ctrl;
 
-	if (!ctx->sensor)
+	if (!phy->sensor)
 		return -ENODEV;
 
-	ctrl = v4l2_ctrl_find(ctx->sensor->ctrl_handler, V4L2_CID_PIXEL_RATE);
+	ctrl = v4l2_ctrl_find(phy->sensor->ctrl_handler, V4L2_CID_PIXEL_RATE);
 	if (!ctrl) {
-		ctx_err(ctx, "no pixel rate control in subdev: %s\n",
-			ctx->sensor->name);
+		phy_err(phy, "no pixel rate control in subdev: %s\n",
+			phy->sensor->name);
 		return -EPIPE;
 	}
 
-	ctx->external_rate = v4l2_ctrl_g_ctrl_int64(ctrl);
-	ctx_dbg(3, ctx, "sensor Pixel Rate: %d\n", ctx->external_rate);
+	phy->external_rate = v4l2_ctrl_g_ctrl_int64(ctrl);
+	phy_dbg(3, phy, "sensor Pixel Rate: %u\n", phy->external_rate);
 
 	return 0;
 }
@@ -1319,7 +1321,7 @@ static int __subdev_get_format(struct cal_ctx *ctx,
 	sd_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE;
 	sd_fmt.pad = 0;
 
-	ret = v4l2_subdev_call(ctx->sensor, pad, get_fmt, NULL, &sd_fmt);
+	ret = v4l2_subdev_call(ctx->phy->sensor, pad, get_fmt, NULL, &sd_fmt);
 	if (ret)
 		return ret;
 
@@ -1342,7 +1344,7 @@ static int __subdev_set_format(struct cal_ctx *ctx,
 	sd_fmt.pad = 0;
 	*mbus_fmt = *fmt;
 
-	ret = v4l2_subdev_call(ctx->sensor, pad, set_fmt, NULL, &sd_fmt);
+	ret = v4l2_subdev_call(ctx->phy->sensor, pad, set_fmt, NULL, &sd_fmt);
 	if (ret)
 		return ret;
 
@@ -1423,7 +1425,7 @@ static int cal_try_fmt_vid_cap(struct file *file, void *priv,
 	fse.code = fmt->code;
 	fse.which = V4L2_SUBDEV_FORMAT_ACTIVE;
 	for (fse.index = 0; ; fse.index++) {
-		ret = v4l2_subdev_call(ctx->sensor, pad, enum_frame_size,
+		ret = v4l2_subdev_call(ctx->phy->sensor, pad, enum_frame_size,
 				       NULL, &fse);
 		if (ret)
 			break;
@@ -1521,7 +1523,8 @@ static int cal_enum_framesizes(struct file *file, void *fh,
 	fse.code = fmt->code;
 	fse.which = V4L2_SUBDEV_FORMAT_ACTIVE;
 
-	ret = v4l2_subdev_call(ctx->sensor, pad, enum_frame_size, NULL, &fse);
+	ret = v4l2_subdev_call(ctx->phy->sensor, pad, enum_frame_size, NULL,
+			       &fse);
 	if (ret)
 		return ret;
 
@@ -1577,7 +1580,7 @@ static int cal_enum_frameintervals(struct file *file, void *priv,
 		return -EINVAL;
 
 	fie.code = fmt->code;
-	ret = v4l2_subdev_call(ctx->sensor, pad, enum_frame_interval,
+	ret = v4l2_subdev_call(ctx->phy->sensor, pad, enum_frame_interval,
 			       NULL, &fie);
 	if (ret)
 		return ret;
@@ -1675,11 +1678,11 @@ static int cal_start_streaming(struct vb2_queue *vq, unsigned int count)
 	addr = vb2_dma_contig_plane_dma_addr(&ctx->cur_frm->vb.vb2_buf, 0);
 	ctx->sequence = 0;
 
-	ret = cal_get_external_info(ctx);
+	ret = cal_get_external_info(ctx->phy);
 	if (ret < 0)
 		goto err;
 
-	ret = v4l2_subdev_call(ctx->sensor, core, s_power, 1);
+	ret = v4l2_subdev_call(ctx->phy->sensor, core, s_power, 1);
 	if (ret < 0 && ret != -ENOIOCTLCMD && ret != -ENODEV) {
 		ctx_err(ctx, "power on failed in subdev\n");
 		goto err;
@@ -1696,9 +1699,9 @@ static int cal_start_streaming(struct vb2_queue *vq, unsigned int count)
 	enable_irqs(ctx);
 	csi2_phy_init(ctx);
 
-	ret = v4l2_subdev_call(ctx->sensor, video, s_stream, 1);
+	ret = v4l2_subdev_call(ctx->phy->sensor, video, s_stream, 1);
 	if (ret) {
-		v4l2_subdev_call(ctx->sensor, core, s_power, 0);
+		v4l2_subdev_call(ctx->phy->sensor, core, s_power, 0);
 		ctx_err(ctx, "stream on failed in subdev\n");
 		pm_runtime_put_sync(&ctx->cal->pdev->dev);
 		goto err;
@@ -1755,10 +1758,10 @@ static void cal_stop_streaming(struct vb2_queue *vq)
 	disable_irqs(ctx);
 	csi2_phy_deinit(ctx);
 
-	if (v4l2_subdev_call(ctx->sensor, video, s_stream, 0))
+	if (v4l2_subdev_call(ctx->phy->sensor, video, s_stream, 0))
 		ctx_err(ctx, "stream off failed in subdev\n");
 
-	ret = v4l2_subdev_call(ctx->sensor, core, s_power, 0);
+	ret = v4l2_subdev_call(ctx->phy->sensor, core, s_power, 0);
 	if (ret < 0 && ret != -ENOIOCTLCMD && ret != -ENODEV)
 		ctx_err(ctx, "power off failed in subdev\n");
 
@@ -1849,8 +1852,6 @@ static int cal_complete_ctx(struct cal_ctx *ctx)
 	struct vb2_queue *q;
 	int ret;
 
-	ctx->external_rate = 192000000;
-
 	/* initialize locks */
 	spin_lock_init(&ctx->slock);
 	mutex_init(&ctx->mutex);
@@ -1906,13 +1907,13 @@ static int cal_async_bound(struct v4l2_async_notifier *notifier,
 	unsigned int i, j, k;
 	int ret = 0;
 
-	if (ctx->sensor) {
+	if (ctx->phy->sensor) {
 		ctx_info(ctx, "Rejecting subdev %s (Already set!!)",
 			 subdev->name);
 		return 0;
 	}
 
-	ctx->sensor = subdev;
+	ctx->phy->sensor = subdev;
 	ctx_dbg(1, ctx, "Using sensor %s for capture\n", subdev->name);
 
 	/* Enumerate sub device formats and enable all matching local formats */
@@ -2065,7 +2066,7 @@ static int of_cal_create_instance(struct cal_ctx *ctx, int inst)
 
 	parent = pdev->dev.of_node;
 
-	endpoint = &ctx->endpoint;
+	endpoint = &ctx->phy->endpoint;
 
 	ep_node = NULL;
 	port = NULL;