145 lines
3.0 KiB
C
145 lines
3.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Author: Dan Scally <djrscally@gmail.com> */
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#ifndef __CIO2_BRIDGE_H
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#define __CIO2_BRIDGE_H
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#include <linux/property.h>
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#include <linux/types.h>
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#include "ipu3-cio2.h"
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struct i2c_client;
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#define CIO2_HID "INT343E"
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#define CIO2_MAX_LANES 4
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#define MAX_NUM_LINK_FREQS 3
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/* Values are educated guesses as we don't have a spec */
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#define CIO2_SENSOR_ROTATION_NORMAL 0
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#define CIO2_SENSOR_ROTATION_INVERTED 1
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#define CIO2_SENSOR_CONFIG(_HID, _NR, ...) \
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(const struct cio2_sensor_config) { \
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.hid = _HID, \
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.nr_link_freqs = _NR, \
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.link_freqs = { __VA_ARGS__ } \
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}
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#define NODE_SENSOR(_HID, _PROPS) \
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(const struct software_node) { \
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.name = _HID, \
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.properties = _PROPS, \
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}
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#define NODE_PORT(_PORT, _SENSOR_NODE) \
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(const struct software_node) { \
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.name = _PORT, \
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.parent = _SENSOR_NODE, \
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}
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#define NODE_ENDPOINT(_EP, _PORT, _PROPS) \
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(const struct software_node) { \
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.name = _EP, \
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.parent = _PORT, \
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.properties = _PROPS, \
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}
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#define NODE_VCM(_TYPE) \
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(const struct software_node) { \
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.name = _TYPE, \
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}
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enum cio2_sensor_swnodes {
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SWNODE_SENSOR_HID,
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SWNODE_SENSOR_PORT,
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SWNODE_SENSOR_ENDPOINT,
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SWNODE_CIO2_PORT,
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SWNODE_CIO2_ENDPOINT,
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/* Must be last because it is optional / maybe empty */
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SWNODE_VCM,
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SWNODE_COUNT
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};
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/* Data representation as it is in ACPI SSDB buffer */
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struct cio2_sensor_ssdb {
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u8 version;
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u8 sku;
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u8 guid_csi2[16];
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u8 devfunction;
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u8 bus;
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u32 dphylinkenfuses;
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u32 clockdiv;
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u8 link;
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u8 lanes;
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u32 csiparams[10];
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u32 maxlanespeed;
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u8 sensorcalibfileidx;
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u8 sensorcalibfileidxInMBZ[3];
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u8 romtype;
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u8 vcmtype;
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u8 platforminfo;
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u8 platformsubinfo;
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u8 flash;
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u8 privacyled;
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u8 degree;
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u8 mipilinkdefined;
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u32 mclkspeed;
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u8 controllogicid;
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u8 reserved1[3];
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u8 mclkport;
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u8 reserved2[13];
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} __packed;
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struct cio2_property_names {
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char clock_frequency[16];
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char rotation[9];
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char orientation[12];
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char bus_type[9];
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char data_lanes[11];
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char remote_endpoint[16];
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char link_frequencies[17];
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};
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struct cio2_node_names {
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char port[7];
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char endpoint[11];
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char remote_port[7];
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};
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struct cio2_sensor_config {
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const char *hid;
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const u8 nr_link_freqs;
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const u64 link_freqs[MAX_NUM_LINK_FREQS];
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};
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struct cio2_sensor {
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char name[ACPI_ID_LEN];
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struct acpi_device *adev;
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struct i2c_client *vcm_i2c_client;
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/* SWNODE_COUNT + 1 for terminating empty node */
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struct software_node swnodes[SWNODE_COUNT + 1];
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struct cio2_node_names node_names;
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struct cio2_sensor_ssdb ssdb;
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struct acpi_pld_info *pld;
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struct cio2_property_names prop_names;
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struct property_entry ep_properties[5];
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struct property_entry dev_properties[5];
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struct property_entry cio2_properties[3];
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struct software_node_ref_args local_ref[1];
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struct software_node_ref_args remote_ref[1];
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struct software_node_ref_args vcm_ref[1];
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};
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struct cio2_bridge {
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char cio2_node_name[ACPI_ID_LEN];
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struct software_node cio2_hid_node;
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u32 data_lanes[4];
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unsigned int n_sensors;
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struct cio2_sensor sensors[CIO2_NUM_PORTS];
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};
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#endif
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