1 files changed, 93 insertions, 1 deletions

diff --git a/drivers/staging/media/atomisp/pci/atomisp_csi2.h b/drivers/staging/media/atomisp/pci/atomisp_csi2.h
index b245b2f5ce99..16ddb3ab2963 100644
--- a/drivers/staging/media/atomisp/pci/atomisp_csi2.h
+++ b/drivers/staging/media/atomisp/pci/atomisp_csi2.h
@@ -18,17 +18,107 @@
 #ifndef __ATOMISP_CSI2_H__
 #define __ATOMISP_CSI2_H__
 
+#include <linux/gpio/consumer.h>
+#include <linux/property.h>
+
 #include <media/v4l2-subdev.h>
 #include <media/v4l2-ctrls.h>
 
+#include "../../include/linux/atomisp.h"
+
 #define CSI2_PAD_SINK		0
 #define CSI2_PAD_SOURCE		1
 #define CSI2_PADS_NUM		2
 
-struct atomisp_device;
+#define CSI2_MAX_LANES		4
+#define CSI2_MAX_LINK_FREQS	3
+
+#define CSI2_MAX_ACPI_GPIOS	2u
+
+struct acpi_device;
 struct v4l2_device;
+
+struct atomisp_device;
 struct atomisp_sub_device;
 
+struct atomisp_csi2_acpi_gpio_map {
+	struct acpi_gpio_params params[CSI2_MAX_ACPI_GPIOS];
+	struct acpi_gpio_mapping mapping[CSI2_MAX_ACPI_GPIOS + 1];
+};
+
+struct atomisp_csi2_acpi_gpio_parsing_data {
+	struct acpi_device *adev;
+	struct atomisp_csi2_acpi_gpio_map *map;
+	u32 settings[CSI2_MAX_ACPI_GPIOS];
+	unsigned int settings_count;
+	unsigned int res_count;
+	unsigned int map_count;
+};
+
+enum atomisp_csi2_sensor_swnodes {
+	SWNODE_SENSOR,
+	SWNODE_SENSOR_PORT,
+	SWNODE_SENSOR_ENDPOINT,
+	SWNODE_CSI2_PORT,
+	SWNODE_CSI2_ENDPOINT,
+	SWNODE_COUNT
+};
+
+struct atomisp_csi2_property_names {
+	char clock_frequency[16];
+	char rotation[9];
+	char bus_type[9];
+	char data_lanes[11];
+	char remote_endpoint[16];
+	char link_frequencies[17];
+};
+
+struct atomisp_csi2_node_names {
+	char port[7];
+	char endpoint[11];
+	char remote_port[7];
+};
+
+struct atomisp_csi2_sensor_config {
+	const char *hid;
+	int lanes;
+	int nr_link_freqs;
+	u64 link_freqs[CSI2_MAX_LINK_FREQS];
+};
+
+struct atomisp_csi2_sensor {
+	/* Append port in "-%u" format as suffix of HID */
+	char name[ACPI_ID_LEN + 4];
+	struct acpi_device *adev;
+	int port;
+	int lanes;
+
+	/* SWNODE_COUNT + 1 for terminating NULL */
+	const struct software_node *group[SWNODE_COUNT + 1];
+	struct software_node swnodes[SWNODE_COUNT];
+	struct atomisp_csi2_node_names node_names;
+	struct atomisp_csi2_property_names prop_names;
+	/* "clock-frequency", "rotation" + terminating entry */
+	struct property_entry dev_properties[3];
+	/* "bus-type", "data-lanes", "remote-endpoint" + "link-freq" + terminating entry */
+	struct property_entry ep_properties[5];
+	/* "data-lanes", "remote-endpoint" + terminating entry */
+	struct property_entry csi2_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];
+	/* GPIO mappings storage */
+	struct atomisp_csi2_acpi_gpio_map gpio_map;
+};
+
+struct atomisp_csi2_bridge {
+	struct software_node csi2_node;
+	char csi2_node_name[14];
+	u32 data_lanes[CSI2_MAX_LANES];
+	unsigned int n_sensors;
+	struct atomisp_csi2_sensor sensors[ATOMISP_CAMERA_NR_PORTS];
+};
+
 struct atomisp_mipi_csi2_device {
 	struct v4l2_subdev subdev;
 	struct media_pad pads[CSI2_PADS_NUM];
@@ -48,6 +138,8 @@ void atomisp_mipi_csi2_unregister_entities(
     struct atomisp_mipi_csi2_device *csi2);
 int atomisp_mipi_csi2_register_entities(struct atomisp_mipi_csi2_device *csi2,
 					struct v4l2_device *vdev);
+int atomisp_csi2_bridge_init(struct atomisp_device *isp);
+int atomisp_csi2_bridge_parse_firmware(struct atomisp_device *isp);
 
 void atomisp_csi2_configure(struct atomisp_sub_device *asd);