summaryrefslogtreecommitdiffstats
path: root/drivers/media/i2c/ccs/ccs-data.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/i2c/ccs/ccs-data.h')
-rw-r--r--drivers/media/i2c/ccs/ccs-data.h230
1 files changed, 230 insertions, 0 deletions
diff --git a/drivers/media/i2c/ccs/ccs-data.h b/drivers/media/i2c/ccs/ccs-data.h
new file mode 100644
index 0000000000..638df69804
--- /dev/null
+++ b/drivers/media/i2c/ccs/ccs-data.h
@@ -0,0 +1,230 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
+/*
+ * CCS static data in-memory data structure definitions
+ *
+ * Copyright 2019--2020 Intel Corporation
+ */
+
+#ifndef __CCS_DATA_H__
+#define __CCS_DATA_H__
+
+#include <linux/types.h>
+
+struct device;
+
+/**
+ * struct ccs_data_block_version - CCS static data version
+ * @version_major: Major version number
+ * @version_minor: Minor version number
+ * @date_year: Year
+ * @date_month: Month
+ * @date_day: Day
+ */
+struct ccs_data_block_version {
+ u16 version_major;
+ u16 version_minor;
+ u16 date_year;
+ u8 date_month;
+ u8 date_day;
+};
+
+/**
+ * struct ccs_reg - CCS register value
+ * @addr: The 16-bit address of the register
+ * @len: Length of the data
+ * @value: Data
+ */
+struct ccs_reg {
+ u16 addr;
+ u16 len;
+ u8 *value;
+};
+
+/**
+ * struct ccs_if_rule - CCS static data if rule
+ * @addr: Register address
+ * @value: Register value
+ * @mask: Value applied to both actual register value and @value
+ */
+struct ccs_if_rule {
+ u16 addr;
+ u8 value;
+ u8 mask;
+};
+
+/**
+ * struct ccs_frame_format_desc - CCS frame format descriptor
+ * @pixelcode: The pixelcode; CCS_DATA_BLOCK_FFD_PIXELCODE_*
+ * @value: Value related to the pixelcode
+ */
+struct ccs_frame_format_desc {
+ u8 pixelcode;
+ u16 value;
+};
+
+/**
+ * struct ccs_frame_format_descs - A series of CCS frame format descriptors
+ * @num_column_descs: Number of column descriptors
+ * @num_row_descs: Number of row descriptors
+ * @column_descs: Column descriptors
+ * @row_descs: Row descriptors
+ */
+struct ccs_frame_format_descs {
+ u8 num_column_descs;
+ u8 num_row_descs;
+ struct ccs_frame_format_desc *column_descs;
+ struct ccs_frame_format_desc *row_descs;
+};
+
+/**
+ * struct ccs_pdaf_readout - CCS PDAF data readout descriptor
+ * @pdaf_readout_info_order: PDAF readout order
+ * @ffd: Frame format of PDAF data
+ */
+struct ccs_pdaf_readout {
+ u8 pdaf_readout_info_order;
+ struct ccs_frame_format_descs *ffd;
+};
+
+/**
+ * struct ccs_rule - A CCS static data rule
+ * @num_if_rules: Number of if rules
+ * @if_rules: If rules
+ * @num_read_only_regs: Number of read-only registers
+ * @read_only_regs: Read-only registers
+ * @num_manufacturer_regs: Number of manufacturer-specific registers
+ * @manufacturer_regs: Manufacturer-specific registers
+ * @frame_format: Frame format
+ * @pdaf_readout: PDAF readout
+ */
+struct ccs_rule {
+ size_t num_if_rules;
+ struct ccs_if_rule *if_rules;
+ size_t num_read_only_regs;
+ struct ccs_reg *read_only_regs;
+ size_t num_manufacturer_regs;
+ struct ccs_reg *manufacturer_regs;
+ struct ccs_frame_format_descs *frame_format;
+ struct ccs_pdaf_readout *pdaf_readout;
+};
+
+/**
+ * struct ccs_pdaf_pix_loc_block_desc - PDAF pixel location block descriptor
+ * @block_type_id: Block type identifier, from 0 to n
+ * @repeat_x: Number of times this block is repeated to right
+ */
+struct ccs_pdaf_pix_loc_block_desc {
+ u8 block_type_id;
+ u16 repeat_x;
+};
+
+/**
+ * struct ccs_pdaf_pix_loc_block_desc_group - PDAF pixel location block
+ * descriptor group
+ * @repeat_y: Number of times the group is repeated down
+ * @num_block_descs: Number of block descriptors in @block_descs
+ * @block_descs: Block descriptors
+ */
+struct ccs_pdaf_pix_loc_block_desc_group {
+ u8 repeat_y;
+ u16 num_block_descs;
+ struct ccs_pdaf_pix_loc_block_desc *block_descs;
+};
+
+/**
+ * struct ccs_pdaf_pix_loc_pixel_desc - PDAF pixel location block descriptor
+ * @pixel_type: Type of the pixel; CCS_DATA_PDAF_PIXEL_TYPE_*
+ * @small_offset_x: offset X coordinate
+ * @small_offset_y: offset Y coordinate
+ */
+struct ccs_pdaf_pix_loc_pixel_desc {
+ u8 pixel_type;
+ u8 small_offset_x;
+ u8 small_offset_y;
+};
+
+/**
+ * struct ccs_pdaf_pix_loc_pixel_desc_group - PDAF pixel location pixel
+ * descriptor group
+ * @num_descs: Number of descriptors in @descs
+ * @descs: PDAF pixel location pixel descriptors
+ */
+struct ccs_pdaf_pix_loc_pixel_desc_group {
+ u8 num_descs;
+ struct ccs_pdaf_pix_loc_pixel_desc *descs;
+};
+
+/**
+ * struct ccs_pdaf_pix_loc - PDAF pixel locations
+ * @main_offset_x: Start X coordinate of PDAF pixel blocks
+ * @main_offset_y: Start Y coordinate of PDAF pixel blocks
+ * @global_pdaf_type: PDAF pattern type
+ * @block_width: Width of a block in pixels
+ * @block_height: Heigth of a block in pixels
+ * @num_block_desc_groups: Number of block descriptor groups
+ * @block_desc_groups: Block descriptor groups
+ * @num_pixel_desc_grups: Number of pixel descriptor groups
+ * @pixel_desc_groups: Pixel descriptor groups
+ */
+struct ccs_pdaf_pix_loc {
+ u16 main_offset_x;
+ u16 main_offset_y;
+ u8 global_pdaf_type;
+ u8 block_width;
+ u8 block_height;
+ u16 num_block_desc_groups;
+ struct ccs_pdaf_pix_loc_block_desc_group *block_desc_groups;
+ u8 num_pixel_desc_grups;
+ struct ccs_pdaf_pix_loc_pixel_desc_group *pixel_desc_groups;
+};
+
+/**
+ * struct ccs_data_container - In-memory CCS static data
+ * @version: CCS static data version
+ * @num_sensor_read_only_regs: Number of the read-only registers for the sensor
+ * @sensor_read_only_regs: Read-only registers for the sensor
+ * @num_sensor_manufacturer_regs: Number of the manufacturer-specific registers
+ * for the sensor
+ * @sensor_manufacturer_regs: Manufacturer-specific registers for the sensor
+ * @num_sensor_rules: Number of rules for the sensor
+ * @sensor_rules: Rules for the sensor
+ * @num_module_read_only_regs: Number of the read-only registers for the module
+ * @module_read_only_regs: Read-only registers for the module
+ * @num_module_manufacturer_regs: Number of the manufacturer-specific registers
+ * for the module
+ * @module_manufacturer_regs: Manufacturer-specific registers for the module
+ * @num_module_rules: Number of rules for the module
+ * @module_rules: Rules for the module
+ * @sensor_pdaf: PDAF data for the sensor
+ * @module_pdaf: PDAF data for the module
+ * @license_length: Lenght of the license data
+ * @license: License data
+ * @end: Whether or not there's an end block
+ * @backing: Raw data, pointed to from elsewhere so keep it around
+ */
+struct ccs_data_container {
+ struct ccs_data_block_version *version;
+ size_t num_sensor_read_only_regs;
+ struct ccs_reg *sensor_read_only_regs;
+ size_t num_sensor_manufacturer_regs;
+ struct ccs_reg *sensor_manufacturer_regs;
+ size_t num_sensor_rules;
+ struct ccs_rule *sensor_rules;
+ size_t num_module_read_only_regs;
+ struct ccs_reg *module_read_only_regs;
+ size_t num_module_manufacturer_regs;
+ struct ccs_reg *module_manufacturer_regs;
+ size_t num_module_rules;
+ struct ccs_rule *module_rules;
+ struct ccs_pdaf_pix_loc *sensor_pdaf;
+ struct ccs_pdaf_pix_loc *module_pdaf;
+ size_t license_length;
+ char *license;
+ bool end;
+ void *backing;
+};
+
+int ccs_data_parse(struct ccs_data_container *ccsdata, const void *data,
+ size_t len, struct device *dev, bool verbose);
+
+#endif /* __CCS_DATA_H__ */