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Diffstat (limited to 'drivers/staging/media/atomisp/pci/atomisp2/atomisp_subdev.h')
-rw-r--r--drivers/staging/media/atomisp/pci/atomisp2/atomisp_subdev.h471
1 files changed, 471 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_subdev.h b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_subdev.h
new file mode 100644
index 0000000..ba5c2ab
--- /dev/null
+++ b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_subdev.h
@@ -0,0 +1,471 @@
+/*
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ */
+#ifndef __ATOMISP_SUBDEV_H__
+#define __ATOMISP_SUBDEV_H__
+
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-subdev.h>
+#include <media/videobuf-core.h>
+
+#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)
+enum atomisp_subdev_input_entity {
+ ATOMISP_SUBDEV_INPUT_NONE,
+ ATOMISP_SUBDEV_INPUT_MEMORY,
+ ATOMISP_SUBDEV_INPUT_CSI2,
+ /*
+ * The following enum for CSI2 port must go together in one row.
+ * Otherwise it breaks the code logic.
+ */
+ ATOMISP_SUBDEV_INPUT_CSI2_PORT1,
+ ATOMISP_SUBDEV_INPUT_CSI2_PORT2,
+ ATOMISP_SUBDEV_INPUT_CSI2_PORT3,
+};
+
+#define ATOMISP_SUBDEV_PAD_SINK 0
+/* capture output for still frames */
+#define ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE 1
+/* viewfinder output for downscaled capture output */
+#define ATOMISP_SUBDEV_PAD_SOURCE_VF 2
+/* preview output for display */
+#define ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW 3
+/* main output for video pipeline */
+#define ATOMISP_SUBDEV_PAD_SOURCE_VIDEO 4
+#define ATOMISP_SUBDEV_PADS_NUM 5
+
+struct atomisp_in_fmt_conv {
+ u32 code;
+ uint8_t bpp; /* bits per pixel */
+ uint8_t depth; /* uncompressed */
+ enum atomisp_css_stream_format atomisp_in_fmt;
+ enum atomisp_css_bayer_order bayer_order;
+ enum ia_css_stream_format css_stream_fmt;
+};
+
+struct atomisp_sub_device;
+
+struct atomisp_video_pipe {
+ struct video_device vdev;
+ enum v4l2_buf_type type;
+ struct media_pad pad;
+ struct videobuf_queue capq;
+ struct videobuf_queue outq;
+ struct list_head activeq;
+ struct list_head activeq_out;
+ /*
+ * 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;
+
+ unsigned int buffers_in_css;
+
+ /* irq_lock is used to protect video buffer state change operations and
+ * also to make activeq, activeq_out, capq and outq list
+ * operations atomic. */
+ spinlock_t irq_lock;
+ unsigned int users;
+
+ struct atomisp_device *isp;
+ struct v4l2_pix_format pix;
+ uint32_t 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];
+#ifdef ISP2401
+
+ /*
+ * move wdt from asd struct to create wdt for each pipe
+ */
+ struct timer_list wdt;
+ unsigned int wdt_duration; /* in jiffies */
+ unsigned long wdt_expires;
+ atomic_t wdt_count;
+#endif
+};
+
+struct atomisp_acc_pipe {
+ struct video_device vdev;
+ unsigned int users;
+ bool running;
+ struct atomisp_sub_device *asd;
+ struct atomisp_device *isp;
+};
+
+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;
+ uint32_t isp_config_id;
+
+ /* Indicates which parameters need to be updated. */
+ struct atomisp_parameters update_flag;
+};
+
+struct atomisp_subdev_params {
+ /* FIXME: Determines whether raw capture buffer are being passed to
+ * user space. Unimplemented for now. */
+ int online_process;
+ 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 atomisp_css_grid_info curr_grid_info;
+ enum atomisp_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 atomisp_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];
+ uint32_t metadata_width_size;
+
+ struct ia_css_dvs2_statistics *dvs_stat;
+ struct atomisp_css_dvs_6axis *dvs_6axis;
+ uint32_t 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;
+
+ /* continuous capture */
+ struct atomisp_cont_capture_conf offline_parm;
+ /* 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_acc_fw {
+ struct atomisp_css_fw_info *fw;
+ unsigned int handle;
+ unsigned int flags;
+ unsigned int type;
+ struct {
+ size_t length;
+ unsigned long css_ptr;
+ } args[ATOMISP_ACC_NR_MEMORY];
+ struct list_head list;
+};
+
+struct atomisp_map {
+ ia_css_ptr ptr;
+ size_t length;
+ struct list_head list;
+ /* FIXME: should keep book which maps are currently used
+ * by binaries and not allow releasing those
+ * which are in use. Implement by reference counting.
+ */
+};
+
+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];
+ uint16_t capture_pad; /* main capture pad; defines much of isp config */
+
+ enum atomisp_subdev_input_entity input;
+ unsigned int output;
+ struct atomisp_video_pipe video_in;
+ struct atomisp_video_pipe video_out_capture; /* capture output */
+ struct atomisp_video_pipe video_out_vf; /* viewfinder output */
+ struct atomisp_video_pipe video_out_preview; /* preview output */
+ struct atomisp_acc_pipe video_acc;
+ /* video pipe main output */
+ struct atomisp_video_pipe video_out_video_capture;
+ /* struct isp_subdev_params params; */
+ spinlock_t lock;
+ struct atomisp_device *isp;
+ struct v4l2_ctrl_handler ctrl_handler;
+ struct v4l2_ctrl *fmt_auto;
+ struct v4l2_ctrl *run_mode;
+ struct v4l2_ctrl *depth_mode;
+ struct v4l2_ctrl *vfpp;
+ struct v4l2_ctrl *continuous_mode;
+ struct v4l2_ctrl *continuous_raw_buffer_size;
+ struct v4l2_ctrl *continuous_viewfinder;
+ struct v4l2_ctrl *enable_raw_buffer_lock;
+#ifdef ISP2401
+ struct v4l2_ctrl *ion_dev_fd;
+#endif
+ struct v4l2_ctrl *disable_dz;
+#ifdef ISP2401
+ struct v4l2_ctrl *select_isp_version;
+#endif
+
+ struct {
+ struct list_head fw;
+ struct list_head memory_maps;
+ struct atomisp_css_pipeline *pipeline;
+ bool extension_mode;
+ struct ida ida;
+ struct completion acc_done;
+ void *acc_stages;
+ } acc;
+
+ 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[CSS_PIPE_ID_NUM];
+ unsigned int dis_bufs_in_css;
+
+ unsigned int metadata_bufs_in_css
+ [ATOMISP_INPUT_STREAM_NUM][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 atomisp_css_frame *vf_frame; /* TODO: needed? */
+ struct atomisp_css_frame *raw_output_frame;
+ enum atomisp_frame_status frame_status[VIDEO_MAX_FRAME];
+
+ /* This field specifies which camera (v4l2 input) is selected. */
+ int input_curr;
+ /* This field specifies which sensor is being selected when there
+ are multiple sensors connected to the same MIPI port. */
+ int sensor_curr;
+
+ atomic_t sof_count;
+ atomic_t sequence; /* Sequence value that is assigned to buffer. */
+ atomic_t sequence_temp;
+
+ unsigned int streaming; /* Hold both mutex and lock to change this */
+ bool stream_prepared; /* whether css stream is created */
+
+ /* subdev index: will be used to show which subdev is holding the
+ * resource, like which camera is used by which subdev
+ */
+ unsigned int index;
+
+ /* delayed memory allocation for css */
+ struct completion init_done;
+ struct workqueue_struct *delayed_init_workq;
+ unsigned int delayed_init;
+ struct work_struct delayed_init_work;
+
+ unsigned int latest_preview_exp_id; /* CSS ZSL/SDV raw buffer id */
+
+ unsigned int mipi_frame_size;
+
+ bool copy_mode; /* CSI2+ use copy mode */
+ bool yuvpp_mode; /* CSI2+ yuvpp pipe */
+
+ 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;
+
+#ifndef ISP2401
+ struct timer_list wdt;
+ unsigned int wdt_duration; /* in jiffies */
+ unsigned long wdt_expires;
+
+#endif
+ struct atomisp_resolution sensor_array_res;
+ bool high_speed_mode; /* Indicate whether now is a high speed mode */
+ int pending_capture_request; /* Indicates the number of pending capture requests. */
+#ifndef ISP2401
+
+#else
+ bool re_trigger_capture;
+#endif
+ 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);
+#ifndef ISP2401
+const struct atomisp_in_fmt_conv *atomisp_find_in_fmt_conv_by_atomisp_in_fmt(
+ enum atomisp_css_stream_format atomisp_in_fmt);
+#else
+const struct atomisp_in_fmt_conv
+ *atomisp_find_in_fmt_conv_by_atomisp_in_fmt(enum atomisp_css_stream_format
+ atomisp_in_fmt);
+#endif
+const struct atomisp_in_fmt_conv *atomisp_find_in_fmt_conv_compressed(u32 code);
+bool atomisp_subdev_format_conversion(struct atomisp_sub_device *asd,
+ unsigned int source_pad);
+uint16_t atomisp_subdev_source_pad(struct video_device *vdev);
+
+/* Get pointer to appropriate format */
+struct v4l2_mbus_framefmt
+*atomisp_subdev_get_ffmt(struct v4l2_subdev *sd,
+ struct v4l2_subdev_pad_config *cfg, uint32_t which,
+ uint32_t pad);
+struct v4l2_rect *atomisp_subdev_get_rect(struct v4l2_subdev *sd,
+ struct v4l2_subdev_pad_config *cfg,
+ uint32_t which, uint32_t pad,
+ uint32_t target);
+int atomisp_subdev_set_selection(struct v4l2_subdev *sd,
+ struct v4l2_subdev_pad_config *cfg,
+ uint32_t which, uint32_t pad, uint32_t target,
+ uint32_t flags, struct v4l2_rect *r);
+/* Actually set the format */
+void atomisp_subdev_set_ffmt(struct v4l2_subdev *sd,
+ struct v4l2_subdev_pad_config *cfg, uint32_t which,
+ uint32_t 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_entities(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__ */
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