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Subject: media: atomisp: Delay mapping sensors to inputs till atomisp_register_device_nodes() Author: Hans de Goede <[email protected]> Date: Sun May 14 21:08:29 2023 +0100 Delay mapping sensors to inputs till atomisp_register_device_nodes() time. There are 2 reasons for this: 1. This guarantees a stable input order independent of the sensor probe order. 2. This is a preparation patch for v4l2-async sensor probing support. Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Andy Shevchenko <[email protected]> Signed-off-by: Hans de Goede <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> .../staging/media/atomisp/pci/atomisp_internal.h | 1 + drivers/staging/media/atomisp/pci/atomisp_v4l2.c | 83 ++++++++++++---------- 2 files changed, 45 insertions(+), 39 deletions(-) --- diff --git a/drivers/staging/media/atomisp/pci/atomisp_internal.h b/drivers/staging/media/atomisp/pci/atomisp_internal.h index b8d643c9df8f..514c360d4d03 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_internal.h +++ b/drivers/staging/media/atomisp/pci/atomisp_internal.h @@ -194,6 +194,7 @@ struct atomisp_device { * Note this is indexed by mipi_port_id not atomisp_camera_port. */ int sensor_lanes[N_MIPI_PORT_ID]; + struct v4l2_subdev *sensor_subdevs[ATOMISP_CAMERA_NR_PORTS]; unsigned int input_cnt; struct atomisp_input_subdev inputs[ATOM_ISP_MAX_INPUTS]; struct v4l2_subdev *flash; diff --git a/drivers/staging/media/atomisp/pci/atomisp_v4l2.c b/drivers/staging/media/atomisp/pci/atomisp_v4l2.c index 4a30fff129cc..fce0d99d8532 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_v4l2.c +++ b/drivers/staging/media/atomisp/pci/atomisp_v4l2.c @@ -782,7 +782,7 @@ static int atomisp_subdev_probe(struct atomisp_device *isp) { const struct atomisp_platform_data *pdata; struct intel_v4l2_subdev_table *subdevs; - int ret, mipi_port, raw_index = -1, count; + int ret, mipi_port, count; pdata = atomisp_get_platform_data(); if (!pdata) { @@ -814,26 +814,20 @@ static int atomisp_subdev_probe(struct atomisp_device *isp) switch (subdevs->type) { case RAW_CAMERA: - dev_dbg(isp->dev, "raw_index: %d\n", raw_index); - raw_index = isp->input_cnt; - if (isp->input_cnt >= ATOM_ISP_MAX_INPUTS) { - dev_warn(isp->dev, - "too many atomisp inputs, ignored\n"); - break; - } - if (subdevs->port >= ATOMISP_CAMERA_NR_PORTS) { dev_err(isp->dev, "port %d not supported\n", subdevs->port); break; } - isp->inputs[isp->input_cnt].type = subdevs->type; - isp->inputs[isp->input_cnt].port = subdevs->port; - isp->inputs[isp->input_cnt].camera = subdevs->subdev; - isp->input_cnt++; + if (isp->sensor_subdevs[subdevs->port]) { + dev_err(isp->dev, "port %d already has a sensor attached\n", + subdevs->port); + break; + } mipi_port = atomisp_port_to_mipi_port(isp, subdevs->port); isp->sensor_lanes[mipi_port] = subdevs->lanes; + isp->sensor_subdevs[subdevs->port] = subdevs->subdev; break; case CAMERA_MOTOR: if (isp->motor) { @@ -855,21 +849,6 @@ static int atomisp_subdev_probe(struct atomisp_device *isp) } } - /* - * HACK: Currently VCM belongs to primary sensor only, but correct - * approach must be to acquire from platform code which sensor - * owns it. - */ - if (isp->motor && raw_index >= 0) - isp->inputs[raw_index].motor = isp->motor; - - /* Proceed even if no modules detected. For COS mode and no modules. */ - if (!isp->input_cnt) - dev_warn(isp->dev, "no camera attached or fail to detect\n"); - else - dev_info(isp->dev, "detected %d camera sensors\n", - isp->input_cnt); - return atomisp_csi_lane_config(isp); } @@ -943,16 +922,6 @@ static int atomisp_register_entities(struct atomisp_device *isp) goto subdev_register_failed; } - if (isp->input_cnt < ATOM_ISP_MAX_INPUTS) { - dev_dbg(isp->dev, - "TPG detected, camera_cnt: %d\n", isp->input_cnt); - isp->inputs[isp->input_cnt].type = TEST_PATTERN; - isp->inputs[isp->input_cnt].port = -1; - isp->inputs[isp->input_cnt++].camera = &isp->tpg.sd; - } else { - dev_warn(isp->dev, "too many atomisp inputs, TPG ignored.\n"); - } - return 0; subdev_register_failed: @@ -970,7 +939,43 @@ v4l2_device_failed: static int atomisp_register_device_nodes(struct atomisp_device *isp) { - int err; + struct atomisp_input_subdev *input; + int i, err; + + for (i = 0; i < ATOMISP_CAMERA_NR_PORTS; i++) { + if (!isp->sensor_subdevs[i]) + continue; + + input = &isp->inputs[isp->input_cnt]; + + input->type = RAW_CAMERA; + input->port = i; + input->camera = isp->sensor_subdevs[i]; + + /* + * HACK: Currently VCM belongs to primary sensor only, but correct + * approach must be to acquire from platform code which sensor + * owns it. + */ + if (i == ATOMISP_CAMERA_PORT_PRIMARY) + input->motor = isp->motor; + + isp->input_cnt++; + } + + if (!isp->input_cnt) + dev_warn(isp->dev, "no camera attached or fail to detect\n"); + else + dev_info(isp->dev, "detected %d camera sensors\n", isp->input_cnt); + + if (isp->input_cnt < ATOM_ISP_MAX_INPUTS) { + dev_dbg(isp->dev, "TPG detected, camera_cnt: %d\n", isp->input_cnt); + isp->inputs[isp->input_cnt].type = TEST_PATTERN; + isp->inputs[isp->input_cnt].port = -1; + isp->inputs[isp->input_cnt++].camera = &isp->tpg.sd; + } else { + dev_warn(isp->dev, "too many atomisp inputs, TPG ignored.\n"); + } isp->asd.video_out.vdev.v4l2_dev = &isp->v4l2_dev; isp->asd.video_out.vdev.device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
