diff options
Diffstat (limited to 'drivers/media/pci')
| -rw-r--r-- | drivers/media/pci/intel/ipu3/cio2-bridge.c | 55 | ||||
| -rw-r--r-- | drivers/media/pci/intel/ipu3/cio2-bridge.h | 16 |
2 files changed, 69 insertions, 2 deletions
diff --git a/drivers/media/pci/intel/ipu3/cio2-bridge.c b/drivers/media/pci/intel/ipu3/cio2-bridge.c index c805916d0909..7ccb7b6eaa82 100644 --- a/drivers/media/pci/intel/ipu3/cio2-bridge.c +++ b/drivers/media/pci/intel/ipu3/cio2-bridge.c @@ -3,6 +3,7 @@ #include <linux/acpi.h> #include <linux/device.h> +#include <linux/i2c.h> #include <linux/pci.h> #include <linux/property.h> #include <media/v4l2-fwnode.h> @@ -38,6 +39,18 @@ static const struct cio2_property_names prop_names = { .link_frequencies = "link-frequencies", }; +static const char * const cio2_vcm_types[] = { + "ad5823", + "dw9714", + "ad5816", + "dw9719", + "dw9718", + "dw9806b", + "wv517s", + "lc898122xa", + "lc898212axb", +}; + static int cio2_bridge_read_acpi_buffer(struct acpi_device *adev, char *id, void *data, u32 size) { @@ -134,6 +147,12 @@ static void cio2_bridge_create_fwnode_properties( sensor->dev_properties[2] = PROPERTY_ENTRY_U32( sensor->prop_names.orientation, orientation); + if (sensor->ssdb.vcmtype) { + sensor->vcm_ref[0] = + SOFTWARE_NODE_REFERENCE(&sensor->swnodes[SWNODE_VCM]); + sensor->dev_properties[3] = + PROPERTY_ENTRY_REF_ARRAY("lens-focus", sensor->vcm_ref); + } sensor->ep_properties[0] = PROPERTY_ENTRY_U32( sensor->prop_names.bus_type, @@ -195,6 +214,33 @@ static void cio2_bridge_create_connection_swnodes(struct cio2_bridge *bridge, sensor->node_names.endpoint, &nodes[SWNODE_CIO2_PORT], sensor->cio2_properties); + if (sensor->ssdb.vcmtype) + nodes[SWNODE_VCM] = + NODE_VCM(cio2_vcm_types[sensor->ssdb.vcmtype - 1]); +} + +static void cio2_bridge_instantiate_vcm_i2c_client(struct cio2_sensor *sensor) +{ + struct i2c_board_info board_info = { }; + char name[16]; + + if (!sensor->ssdb.vcmtype) + return; + + snprintf(name, sizeof(name), "%s-VCM", acpi_dev_name(sensor->adev)); + board_info.dev_name = name; + strscpy(board_info.type, cio2_vcm_types[sensor->ssdb.vcmtype - 1], + ARRAY_SIZE(board_info.type)); + board_info.swnode = &sensor->swnodes[SWNODE_VCM]; + + sensor->vcm_i2c_client = + i2c_acpi_new_device_by_fwnode(acpi_fwnode_handle(sensor->adev), + 1, &board_info); + if (IS_ERR(sensor->vcm_i2c_client)) { + dev_warn(&sensor->adev->dev, "Error instantiation VCM i2c-client: %ld\n", + PTR_ERR(sensor->vcm_i2c_client)); + sensor->vcm_i2c_client = NULL; + } } static void cio2_bridge_unregister_sensors(struct cio2_bridge *bridge) @@ -207,6 +253,7 @@ static void cio2_bridge_unregister_sensors(struct cio2_bridge *bridge) software_node_unregister_nodes(sensor->swnodes); ACPI_FREE(sensor->pld); acpi_dev_put(sensor->adev); + i2c_unregister_device(sensor->vcm_i2c_client); } } @@ -239,6 +286,12 @@ static int cio2_bridge_connect_sensor(const struct cio2_sensor_config *cfg, if (ret) goto err_put_adev; + if (sensor->ssdb.vcmtype > ARRAY_SIZE(cio2_vcm_types)) { + dev_warn(&adev->dev, "Unknown VCM type %d\n", + sensor->ssdb.vcmtype); + sensor->ssdb.vcmtype = 0; + } + status = acpi_get_physical_device_location(adev->handle, &sensor->pld); if (ACPI_FAILURE(status)) { ret = -ENODEV; @@ -269,6 +322,8 @@ static int cio2_bridge_connect_sensor(const struct cio2_sensor_config *cfg, sensor->adev = acpi_dev_get(adev); adev->fwnode.secondary = fwnode; + cio2_bridge_instantiate_vcm_i2c_client(sensor); + dev_info(&cio2->dev, "Found supported sensor %s\n", acpi_dev_name(adev)); diff --git a/drivers/media/pci/intel/ipu3/cio2-bridge.h b/drivers/media/pci/intel/ipu3/cio2-bridge.h index 202c7d494f7a..4418cbd08208 100644 --- a/drivers/media/pci/intel/ipu3/cio2-bridge.h +++ b/drivers/media/pci/intel/ipu3/cio2-bridge.h @@ -8,6 +8,8 @@ #include "ipu3-cio2.h" +struct i2c_client; + #define CIO2_HID "INT343E" #define CIO2_MAX_LANES 4 #define MAX_NUM_LINK_FREQS 3 @@ -42,12 +44,19 @@ .properties = _PROPS, \ } +#define NODE_VCM(_TYPE) \ + (const struct software_node) { \ + .name = _TYPE, \ + } + enum cio2_sensor_swnodes { SWNODE_SENSOR_HID, SWNODE_SENSOR_PORT, SWNODE_SENSOR_ENDPOINT, SWNODE_CIO2_PORT, SWNODE_CIO2_ENDPOINT, + /* Must be last because it is optional / maybe empty */ + SWNODE_VCM, SWNODE_COUNT }; @@ -106,8 +115,10 @@ struct cio2_sensor_config { struct cio2_sensor { char name[ACPI_ID_LEN]; struct acpi_device *adev; + struct i2c_client *vcm_i2c_client; - struct software_node swnodes[6]; + /* SWNODE_COUNT + 1 for terminating empty node */ + struct software_node swnodes[SWNODE_COUNT + 1]; struct cio2_node_names node_names; struct cio2_sensor_ssdb ssdb; @@ -115,10 +126,11 @@ struct cio2_sensor { struct cio2_property_names prop_names; struct property_entry ep_properties[5]; - struct property_entry dev_properties[4]; + struct property_entry dev_properties[5]; struct property_entry cio2_properties[3]; struct software_node_ref_args local_ref[1]; struct software_node_ref_args remote_ref[1]; + struct software_node_ref_args vcm_ref[1]; }; struct cio2_bridge { |