/* SPDX-License-Identifier: GPL-2.0 */ /* * Support for Medifield PNW Camera Imaging ISP subsystem. * * Copyright (c) 2010 Intel Corporation. All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License version * 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * */ #ifndef __ATOMISP_SUBDEV_H__ #define __ATOMISP_SUBDEV_H__ #include #include #include #include #include "atomisp_common.h" #include "atomisp_compat.h" #include "atomisp_v4l2.h" #include "ia_css.h" /* EXP_ID's ranger is 1 ~ 250 */ #define ATOMISP_MAX_EXP_ID (250) #define ATOMISP_SUBDEV_PAD_SINK 0 #define ATOMISP_SUBDEV_PAD_SOURCE 1 #define ATOMISP_SUBDEV_PADS_NUM 2 struct atomisp_in_fmt_conv { u32 code; u8 bpp; /* bits per pixel */ u8 depth; /* uncompressed */ enum atomisp_input_format atomisp_in_fmt; enum ia_css_bayer_order bayer_order; }; struct atomisp_sub_device; struct atomisp_video_pipe { struct video_device vdev; enum v4l2_buf_type type; struct media_pad pad; struct vb2_queue vb_queue; /* Lock for vb_queue, when also taking isp->mutex this must be taken first! */ struct mutex vb_queue_mutex; /* List of video-buffers handed over to the CSS */ struct list_head buffers_in_css; /* List of video-buffers handed over to the driver, but not yet to the CSS */ struct list_head activeq; /* * the buffers waiting for per-frame parameters, this is only valid * in per-frame setting mode. */ struct list_head buffers_waiting_for_param; /* the link list to store per_frame parameters */ struct list_head per_frame_params; /* Filled through atomisp_get_css_frame_info() on queue setup */ struct ia_css_frame_info frame_info; /* Set from streamoff to disallow queuing further buffers in CSS */ bool stopping; /* * irq_lock is used to protect video buffer state change operations and * also to make activeq and capq operations atomic. */ spinlock_t irq_lock; unsigned int users; struct atomisp_device *isp; struct v4l2_pix_format pix; u32 sh_fmt; struct atomisp_sub_device *asd; /* * This frame_config_id is got from CSS when dequueues buffers from CSS, * it is used to indicate which parameter it has applied. */ unsigned int frame_config_id[VIDEO_MAX_FRAME]; /* * This config id is set when camera HAL enqueues buffer, it has a * non-zero value to indicate which parameter it needs to applu */ unsigned int frame_request_config_id[VIDEO_MAX_FRAME]; struct atomisp_css_params_with_list *frame_params[VIDEO_MAX_FRAME]; }; #define vq_to_pipe(queue) \ container_of(queue, struct atomisp_video_pipe, vb_queue) #define vb_to_pipe(vb) vq_to_pipe((vb)->vb2_queue) struct atomisp_pad_format { struct v4l2_mbus_framefmt fmt; struct v4l2_rect crop; struct v4l2_rect compose; }; /* Internal states for flash process */ enum atomisp_flash_state { ATOMISP_FLASH_IDLE, ATOMISP_FLASH_REQUESTED, ATOMISP_FLASH_ONGOING, ATOMISP_FLASH_DONE }; /* * This structure is used to cache the CSS parameters, it aligns to * struct ia_css_isp_config but without un-supported and deprecated parts. */ struct atomisp_css_params { struct ia_css_wb_config wb_config; struct ia_css_cc_config cc_config; struct ia_css_tnr_config tnr_config; struct ia_css_ecd_config ecd_config; struct ia_css_ynr_config ynr_config; struct ia_css_fc_config fc_config; struct ia_css_formats_config formats_config; struct ia_css_cnr_config cnr_config; struct ia_css_macc_config macc_config; struct ia_css_ctc_config ctc_config; struct ia_css_aa_config aa_config; struct ia_css_aa_config baa_config; struct ia_css_ce_config ce_config; struct ia_css_ob_config ob_config; struct ia_css_dp_config dp_config; struct ia_css_de_config de_config; struct ia_css_gc_config gc_config; struct ia_css_nr_config nr_config; struct ia_css_ee_config ee_config; struct ia_css_anr_config anr_config; struct ia_css_3a_config s3a_config; struct ia_css_xnr_config xnr_config; struct ia_css_dz_config dz_config; struct ia_css_cc_config yuv2rgb_cc_config; struct ia_css_cc_config rgb2yuv_cc_config; struct ia_css_macc_table macc_table; struct ia_css_gamma_table gamma_table; struct ia_css_ctc_table ctc_table; struct ia_css_xnr_table xnr_table; struct ia_css_rgb_gamma_table r_gamma_table; struct ia_css_rgb_gamma_table g_gamma_table; struct ia_css_rgb_gamma_table b_gamma_table; struct ia_css_vector motion_vector; struct ia_css_anr_thres anr_thres; struct ia_css_dvs_6axis_config *dvs_6axis; struct ia_css_dvs2_coefficients *dvs2_coeff; struct ia_css_shading_table *shading_table; struct ia_css_morph_table *morph_table; /* * Used to store the user pointer address of the frame. driver needs to * translate to ia_css_frame * and then set to CSS. */ void *output_frame; u32 isp_config_id; /* Indicates which parameters need to be updated. */ struct atomisp_parameters update_flag; }; struct atomisp_subdev_params { int yuv_ds_en; unsigned int color_effect; bool gdc_cac_en; bool macc_en; bool bad_pixel_en; bool video_dis_en; bool sc_en; bool fpn_en; bool xnr_en; bool low_light; int false_color; unsigned int histogram_elenum; /* Current grid info */ struct ia_css_grid_info curr_grid_info; enum ia_css_pipe_id s3a_enabled_pipe; int s3a_output_bytes; bool dis_proj_data_valid; struct ia_css_dz_config dz_config; /** Digital Zoom */ struct ia_css_capture_config capture_config; struct ia_css_isp_config config; /* current configurations */ struct atomisp_css_params css_param; /* * Intermediate buffers used to communicate data between * CSS and user space. */ struct ia_css_3a_statistics *s3a_user_stat; void *metadata_user[ATOMISP_METADATA_TYPE_NUM]; u32 metadata_width_size; struct ia_css_dvs2_statistics *dvs_stat; struct ia_css_dvs_6axis_config *dvs_6axis; u32 exp_id; int dvs_hor_coef_bytes; int dvs_ver_coef_bytes; int dvs_ver_proj_bytes; int dvs_hor_proj_bytes; /* Flash */ int num_flash_frames; enum atomisp_flash_state flash_state; enum atomisp_frame_status last_frame_status; /* Flag to check if driver needs to update params to css */ bool css_update_params_needed; }; struct atomisp_css_params_with_list { /* parameters for CSS */ struct atomisp_css_params params; struct list_head list; }; struct atomisp_sub_device { struct v4l2_subdev subdev; struct media_pad pads[ATOMISP_SUBDEV_PADS_NUM]; struct atomisp_pad_format fmt[ATOMISP_SUBDEV_PADS_NUM]; unsigned int output; struct atomisp_video_pipe video_out; struct atomisp_device *isp; struct v4l2_ctrl_handler ctrl_handler; struct v4l2_ctrl *run_mode; struct v4l2_ctrl *vfpp; struct v4l2_ctrl *continuous_raw_buffer_size; struct v4l2_ctrl *continuous_viewfinder; struct v4l2_ctrl *enable_raw_buffer_lock; /* ISP2401 */ struct v4l2_ctrl *ion_dev_fd; struct v4l2_ctrl *disable_dz; struct atomisp_subdev_params params; struct atomisp_stream_env stream_env[ATOMISP_INPUT_STREAM_NUM]; struct v4l2_pix_format dvs_envelop; unsigned int s3a_bufs_in_css[IA_CSS_PIPE_ID_NUM]; unsigned int dis_bufs_in_css; unsigned int metadata_bufs_in_css [ATOMISP_INPUT_STREAM_NUM][IA_CSS_PIPE_ID_NUM]; /* The list of free and available metadata buffers for CSS */ struct list_head metadata[ATOMISP_METADATA_TYPE_NUM]; /* The list of metadata buffers which have been en-queued to CSS */ struct list_head metadata_in_css[ATOMISP_METADATA_TYPE_NUM]; /* The list of metadata buffers which are ready for userspace to get */ struct list_head metadata_ready[ATOMISP_METADATA_TYPE_NUM]; /* The list of free and available s3a stat buffers for CSS */ struct list_head s3a_stats; /* The list of s3a stat buffers which have been en-queued to CSS */ struct list_head s3a_stats_in_css; /* The list of s3a stat buffers which are ready for userspace to get */ struct list_head s3a_stats_ready; struct list_head dis_stats; struct list_head dis_stats_in_css; spinlock_t dis_stats_lock; struct ia_css_frame *vf_frame; /* TODO: needed? */ enum atomisp_frame_status frame_status[VIDEO_MAX_FRAME]; /* This field specifies which camera (v4l2 input) is selected. */ int input_curr; atomic_t sof_count; atomic_t sequence; /* Sequence value that is assigned to buffer. */ atomic_t sequence_temp; /* * Writers of streaming must hold both isp->mutex and isp->lock. * Readers of streaming need to hold only one of the two locks. */ bool streaming; bool stream_prepared; /* whether css stream is created */ bool recreate_streams_on_resume; unsigned int latest_preview_exp_id; /* CSS ZSL/SDV raw buffer id */ bool copy_mode; /* CSI2+ use copy mode */ int raw_buffer_bitmap[ATOMISP_MAX_EXP_ID / 32 + 1]; /* Record each Raw Buffer lock status */ int raw_buffer_locked_count; spinlock_t raw_buffer_bitmap_lock; /* ISP2401 */ bool re_trigger_capture; struct atomisp_resolution sensor_array_res; bool high_speed_mode; /* Indicate whether now is a high speed mode */ unsigned int preview_exp_id; unsigned int postview_exp_id; }; extern const struct atomisp_in_fmt_conv atomisp_in_fmt_conv[]; u32 atomisp_subdev_uncompressed_code(u32 code); bool atomisp_subdev_is_compressed(u32 code); const struct atomisp_in_fmt_conv *atomisp_find_in_fmt_conv(u32 code); /* ISP2400 */ const struct atomisp_in_fmt_conv *atomisp_find_in_fmt_conv_by_atomisp_in_fmt( enum atomisp_input_format atomisp_in_fmt); /* ISP2401 */ const struct atomisp_in_fmt_conv *atomisp_find_in_fmt_conv_by_atomisp_in_fmt(enum atomisp_input_format atomisp_in_fmt); const struct atomisp_in_fmt_conv *atomisp_find_in_fmt_conv_compressed(u32 code); bool atomisp_subdev_format_conversion(struct atomisp_sub_device *asd); /* Get pointer to appropriate format */ struct v4l2_mbus_framefmt *atomisp_subdev_get_ffmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, uint32_t which, uint32_t pad); struct v4l2_rect *atomisp_subdev_get_rect(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, u32 which, uint32_t pad, uint32_t target); int atomisp_subdev_set_selection(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, u32 which, uint32_t pad, uint32_t target, u32 flags, struct v4l2_rect *r); /* Actually set the format */ void atomisp_subdev_set_ffmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, uint32_t which, u32 pad, struct v4l2_mbus_framefmt *ffmt); int atomisp_update_run_mode(struct atomisp_sub_device *asd); void atomisp_subdev_cleanup_pending_events(struct atomisp_sub_device *asd); void atomisp_subdev_unregister_entities(struct atomisp_sub_device *asd); int atomisp_subdev_register_subdev(struct atomisp_sub_device *asd, struct v4l2_device *vdev); int atomisp_subdev_init(struct atomisp_device *isp); void atomisp_subdev_cleanup(struct atomisp_device *isp); int atomisp_create_pads_links(struct atomisp_device *isp); #endif /* __ATOMISP_SUBDEV_H__ */