diff options
Diffstat (limited to 'drivers/media/i2c/ccs/ccs-data.h')
| -rw-r--r-- | drivers/media/i2c/ccs/ccs-data.h | 228 |
1 files changed, 228 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 000000000000..50d6508b24f3 --- /dev/null +++ b/drivers/media/i2c/ccs/ccs-data.h @@ -0,0 +1,228 @@ +/* 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 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_block_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__ */ |