2 * Support for Medifield PNW Camera Imaging ISP subsystem.
4 * Copyright (c) 2010 Intel Corporation. All Rights Reserved.
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License version
8 * 2 as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
17 #ifndef __ATOMISP_SUBDEV_H__
18 #define __ATOMISP_SUBDEV_H__
20 #include <media/v4l2-ctrls.h>
21 #include <media/v4l2-device.h>
22 #include <media/v4l2-subdev.h>
23 #include <media/videobuf-core.h>
25 #include "atomisp_common.h"
26 #include "atomisp_compat.h"
27 #include "atomisp_v4l2.h"
31 /* EXP_ID's ranger is 1 ~ 250 */
32 #define ATOMISP_MAX_EXP_ID (250)
33 enum atomisp_subdev_input_entity
{
34 ATOMISP_SUBDEV_INPUT_NONE
,
35 ATOMISP_SUBDEV_INPUT_MEMORY
,
36 ATOMISP_SUBDEV_INPUT_CSI2
,
38 * The following enum for CSI2 port must go together in one row.
39 * Otherwise it breaks the code logic.
41 ATOMISP_SUBDEV_INPUT_CSI2_PORT1
,
42 ATOMISP_SUBDEV_INPUT_CSI2_PORT2
,
43 ATOMISP_SUBDEV_INPUT_CSI2_PORT3
,
46 #define ATOMISP_SUBDEV_PAD_SINK 0
47 /* capture output for still frames */
48 #define ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE 1
49 /* viewfinder output for downscaled capture output */
50 #define ATOMISP_SUBDEV_PAD_SOURCE_VF 2
51 /* preview output for display */
52 #define ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW 3
53 /* main output for video pipeline */
54 #define ATOMISP_SUBDEV_PAD_SOURCE_VIDEO 4
55 #define ATOMISP_SUBDEV_PADS_NUM 5
57 struct atomisp_in_fmt_conv
{
59 uint8_t bpp
; /* bits per pixel */
60 uint8_t depth
; /* uncompressed */
61 enum atomisp_css_stream_format atomisp_in_fmt
;
62 enum atomisp_css_bayer_order bayer_order
;
63 enum ia_css_stream_format css_stream_fmt
;
66 struct atomisp_sub_device
;
68 struct atomisp_video_pipe
{
69 struct video_device vdev
;
70 enum v4l2_buf_type type
;
72 struct videobuf_queue capq
;
73 struct videobuf_queue outq
;
74 struct list_head activeq
;
75 struct list_head activeq_out
;
77 * the buffers waiting for per-frame parameters, this is only valid
78 * in per-frame setting mode.
80 struct list_head buffers_waiting_for_param
;
81 /* the link list to store per_frame parameters */
82 struct list_head per_frame_params
;
84 unsigned int buffers_in_css
;
86 /* irq_lock is used to protect video buffer state change operations and
87 * also to make activeq, activeq_out, capq and outq list
88 * operations atomic. */
92 struct atomisp_device
*isp
;
93 struct v4l2_pix_format pix
;
96 struct atomisp_sub_device
*asd
;
99 * This frame_config_id is got from CSS when dequueues buffers from CSS,
100 * it is used to indicate which parameter it has applied.
102 unsigned int frame_config_id
[VIDEO_MAX_FRAME
];
104 * This config id is set when camera HAL enqueues buffer, it has a
105 * non-zero value to indicate which parameter it needs to applu
107 unsigned int frame_request_config_id
[VIDEO_MAX_FRAME
];
108 struct atomisp_css_params_with_list
*frame_params
[VIDEO_MAX_FRAME
];
112 * move wdt from asd struct to create wdt for each pipe
114 struct timer_list wdt
;
115 unsigned int wdt_duration
; /* in jiffies */
116 unsigned long wdt_expires
;
121 struct atomisp_acc_pipe
{
122 struct video_device vdev
;
125 struct atomisp_sub_device
*asd
;
126 struct atomisp_device
*isp
;
129 struct atomisp_pad_format
{
130 struct v4l2_mbus_framefmt fmt
;
131 struct v4l2_rect crop
;
132 struct v4l2_rect compose
;
135 /* Internal states for flash process */
136 enum atomisp_flash_state
{
138 ATOMISP_FLASH_REQUESTED
,
139 ATOMISP_FLASH_ONGOING
,
144 * This structure is used to cache the CSS parameters, it aligns to
145 * struct ia_css_isp_config but without un-supported and deprecated parts.
147 struct atomisp_css_params
{
148 struct ia_css_wb_config wb_config
;
149 struct ia_css_cc_config cc_config
;
150 struct ia_css_tnr_config tnr_config
;
151 struct ia_css_ecd_config ecd_config
;
152 struct ia_css_ynr_config ynr_config
;
153 struct ia_css_fc_config fc_config
;
154 struct ia_css_formats_config formats_config
;
155 struct ia_css_cnr_config cnr_config
;
156 struct ia_css_macc_config macc_config
;
157 struct ia_css_ctc_config ctc_config
;
158 struct ia_css_aa_config aa_config
;
159 struct ia_css_aa_config baa_config
;
160 struct ia_css_ce_config ce_config
;
161 struct ia_css_ob_config ob_config
;
162 struct ia_css_dp_config dp_config
;
163 struct ia_css_de_config de_config
;
164 struct ia_css_gc_config gc_config
;
165 struct ia_css_nr_config nr_config
;
166 struct ia_css_ee_config ee_config
;
167 struct ia_css_anr_config anr_config
;
168 struct ia_css_3a_config s3a_config
;
169 struct ia_css_xnr_config xnr_config
;
170 struct ia_css_dz_config dz_config
;
171 struct ia_css_cc_config yuv2rgb_cc_config
;
172 struct ia_css_cc_config rgb2yuv_cc_config
;
173 struct ia_css_macc_table macc_table
;
174 struct ia_css_gamma_table gamma_table
;
175 struct ia_css_ctc_table ctc_table
;
177 struct ia_css_xnr_table xnr_table
;
178 struct ia_css_rgb_gamma_table r_gamma_table
;
179 struct ia_css_rgb_gamma_table g_gamma_table
;
180 struct ia_css_rgb_gamma_table b_gamma_table
;
182 struct ia_css_vector motion_vector
;
183 struct ia_css_anr_thres anr_thres
;
185 struct ia_css_dvs_6axis_config
*dvs_6axis
;
186 struct ia_css_dvs2_coefficients
*dvs2_coeff
;
187 struct ia_css_shading_table
*shading_table
;
188 struct ia_css_morph_table
*morph_table
;
191 * Used to store the user pointer address of the frame. driver needs to
192 * translate to ia_css_frame * and then set to CSS.
195 uint32_t isp_config_id
;
197 /* Indicates which parameters need to be updated. */
198 struct atomisp_parameters update_flag
;
201 struct atomisp_subdev_params
{
202 /* FIXME: Determines whether raw capture buffer are being passed to
203 * user space. Unimplemented for now. */
206 unsigned int color_effect
;
216 unsigned int histogram_elenum
;
218 /* Current grid info */
219 struct atomisp_css_grid_info curr_grid_info
;
220 enum atomisp_css_pipe_id s3a_enabled_pipe
;
222 int s3a_output_bytes
;
224 bool dis_proj_data_valid
;
226 struct ia_css_dz_config dz_config
; /**< Digital Zoom */
227 struct ia_css_capture_config capture_config
;
229 struct atomisp_css_isp_config config
;
231 /* current configurations */
232 struct atomisp_css_params css_param
;
235 * Intermediate buffers used to communicate data between
236 * CSS and user space.
238 struct ia_css_3a_statistics
*s3a_user_stat
;
240 void *metadata_user
[ATOMISP_METADATA_TYPE_NUM
];
241 uint32_t metadata_width_size
;
243 struct ia_css_dvs2_statistics
*dvs_stat
;
244 struct atomisp_css_dvs_6axis
*dvs_6axis
;
246 int dvs_hor_coef_bytes
;
247 int dvs_ver_coef_bytes
;
248 int dvs_ver_proj_bytes
;
249 int dvs_hor_proj_bytes
;
252 int num_flash_frames
;
253 enum atomisp_flash_state flash_state
;
254 enum atomisp_frame_status last_frame_status
;
256 /* continuous capture */
257 struct atomisp_cont_capture_conf offline_parm
;
258 /* Flag to check if driver needs to update params to css */
259 bool css_update_params_needed
;
262 struct atomisp_css_params_with_list
{
263 /* parameters for CSS */
264 struct atomisp_css_params params
;
265 struct list_head list
;
268 struct atomisp_acc_fw
{
269 struct atomisp_css_fw_info
*fw
;
275 unsigned long css_ptr
;
276 } args
[ATOMISP_ACC_NR_MEMORY
];
277 struct list_head list
;
283 struct list_head list
;
284 /* FIXME: should keep book which maps are currently used
285 * by binaries and not allow releasing those
286 * which are in use. Implement by reference counting.
290 struct atomisp_sub_device
{
291 struct v4l2_subdev subdev
;
292 struct media_pad pads
[ATOMISP_SUBDEV_PADS_NUM
];
293 struct atomisp_pad_format fmt
[ATOMISP_SUBDEV_PADS_NUM
];
294 uint16_t capture_pad
; /* main capture pad; defines much of isp config */
296 enum atomisp_subdev_input_entity input
;
298 struct atomisp_video_pipe video_in
;
299 struct atomisp_video_pipe video_out_capture
; /* capture output */
300 struct atomisp_video_pipe video_out_vf
; /* viewfinder output */
301 struct atomisp_video_pipe video_out_preview
; /* preview output */
302 struct atomisp_acc_pipe video_acc
;
303 /* video pipe main output */
304 struct atomisp_video_pipe video_out_video_capture
;
305 /* struct isp_subdev_params params; */
307 struct atomisp_device
*isp
;
308 struct v4l2_ctrl_handler ctrl_handler
;
309 struct v4l2_ctrl
*fmt_auto
;
310 struct v4l2_ctrl
*run_mode
;
311 struct v4l2_ctrl
*depth_mode
;
312 struct v4l2_ctrl
*vfpp
;
313 struct v4l2_ctrl
*continuous_mode
;
314 struct v4l2_ctrl
*continuous_raw_buffer_size
;
315 struct v4l2_ctrl
*continuous_viewfinder
;
316 struct v4l2_ctrl
*enable_raw_buffer_lock
;
318 struct v4l2_ctrl
*ion_dev_fd
;
320 struct v4l2_ctrl
*disable_dz
;
322 struct v4l2_ctrl
*select_isp_version
;
327 struct list_head memory_maps
;
328 struct atomisp_css_pipeline
*pipeline
;
331 struct completion acc_done
;
335 struct atomisp_subdev_params params
;
337 struct atomisp_stream_env stream_env
[ATOMISP_INPUT_STREAM_NUM
];
339 struct v4l2_pix_format dvs_envelop
;
340 unsigned int s3a_bufs_in_css
[CSS_PIPE_ID_NUM
];
341 unsigned int dis_bufs_in_css
;
343 unsigned int metadata_bufs_in_css
344 [ATOMISP_INPUT_STREAM_NUM
][CSS_PIPE_ID_NUM
];
345 /* The list of free and available metadata buffers for CSS */
346 struct list_head metadata
[ATOMISP_METADATA_TYPE_NUM
];
347 /* The list of metadata buffers which have been en-queued to CSS */
348 struct list_head metadata_in_css
[ATOMISP_METADATA_TYPE_NUM
];
349 /* The list of metadata buffers which are ready for userspace to get */
350 struct list_head metadata_ready
[ATOMISP_METADATA_TYPE_NUM
];
352 /* The list of free and available s3a stat buffers for CSS */
353 struct list_head s3a_stats
;
354 /* The list of s3a stat buffers which have been en-queued to CSS */
355 struct list_head s3a_stats_in_css
;
356 /* The list of s3a stat buffers which are ready for userspace to get */
357 struct list_head s3a_stats_ready
;
359 struct list_head dis_stats
;
360 struct list_head dis_stats_in_css
;
361 spinlock_t dis_stats_lock
;
363 struct atomisp_css_frame
*vf_frame
; /* TODO: needed? */
364 struct atomisp_css_frame
*raw_output_frame
;
365 enum atomisp_frame_status frame_status
[VIDEO_MAX_FRAME
];
367 /* This field specifies which camera (v4l2 input) is selected. */
369 /* This field specifies which sensor is being selected when there
370 are multiple sensors connected to the same MIPI port. */
374 atomic_t sequence
; /* Sequence value that is assigned to buffer. */
375 atomic_t sequence_temp
;
377 unsigned int streaming
; /* Hold both mutex and lock to change this */
378 bool stream_prepared
; /* whether css stream is created */
380 /* subdev index: will be used to show which subdev is holding the
381 * resource, like which camera is used by which subdev
385 /* delayed memory allocation for css */
386 struct completion init_done
;
387 struct workqueue_struct
*delayed_init_workq
;
388 unsigned int delayed_init
;
389 struct work_struct delayed_init_work
;
391 unsigned int latest_preview_exp_id
; /* CSS ZSL/SDV raw buffer id */
393 unsigned int mipi_frame_size
;
395 bool copy_mode
; /* CSI2+ use copy mode */
396 bool yuvpp_mode
; /* CSI2+ yuvpp pipe */
398 int raw_buffer_bitmap
[ATOMISP_MAX_EXP_ID
/32 + 1]; /* Record each Raw Buffer lock status */
399 int raw_buffer_locked_count
;
400 spinlock_t raw_buffer_bitmap_lock
;
403 struct timer_list wdt
;
404 unsigned int wdt_duration
; /* in jiffies */
405 unsigned long wdt_expires
;
408 struct atomisp_resolution sensor_array_res
;
409 bool high_speed_mode
; /* Indicate whether now is a high speed mode */
410 int pending_capture_request
; /* Indicates the number of pending capture requests. */
414 bool re_trigger_capture
;
416 unsigned int preview_exp_id
;
417 unsigned int postview_exp_id
;
420 extern const struct atomisp_in_fmt_conv atomisp_in_fmt_conv
[];
422 u32
atomisp_subdev_uncompressed_code(u32 code
);
423 bool atomisp_subdev_is_compressed(u32 code
);
424 const struct atomisp_in_fmt_conv
*atomisp_find_in_fmt_conv(u32 code
);
426 const struct atomisp_in_fmt_conv
*atomisp_find_in_fmt_conv_by_atomisp_in_fmt(
427 enum atomisp_css_stream_format atomisp_in_fmt
);
429 const struct atomisp_in_fmt_conv
430 *atomisp_find_in_fmt_conv_by_atomisp_in_fmt(enum atomisp_css_stream_format
433 const struct atomisp_in_fmt_conv
*atomisp_find_in_fmt_conv_compressed(u32 code
);
434 bool atomisp_subdev_format_conversion(struct atomisp_sub_device
*asd
,
435 unsigned int source_pad
);
436 uint16_t atomisp_subdev_source_pad(struct video_device
*vdev
);
438 /* Get pointer to appropriate format */
439 struct v4l2_mbus_framefmt
440 *atomisp_subdev_get_ffmt(struct v4l2_subdev
*sd
,
441 struct v4l2_subdev_pad_config
*cfg
, uint32_t which
,
443 struct v4l2_rect
*atomisp_subdev_get_rect(struct v4l2_subdev
*sd
,
444 struct v4l2_subdev_pad_config
*cfg
,
445 uint32_t which
, uint32_t pad
,
447 int atomisp_subdev_set_selection(struct v4l2_subdev
*sd
,
448 struct v4l2_subdev_pad_config
*cfg
,
449 uint32_t which
, uint32_t pad
, uint32_t target
,
450 uint32_t flags
, struct v4l2_rect
*r
);
451 /* Actually set the format */
452 void atomisp_subdev_set_ffmt(struct v4l2_subdev
*sd
,
453 struct v4l2_subdev_pad_config
*cfg
, uint32_t which
,
454 uint32_t pad
, struct v4l2_mbus_framefmt
*ffmt
);
456 int atomisp_update_run_mode(struct atomisp_sub_device
*asd
);
458 void atomisp_subdev_cleanup_pending_events(struct atomisp_sub_device
*asd
);
460 void atomisp_subdev_unregister_entities(struct atomisp_sub_device
*asd
);
461 int atomisp_subdev_register_entities(struct atomisp_sub_device
*asd
,
462 struct v4l2_device
*vdev
);
463 int atomisp_subdev_init(struct atomisp_device
*isp
);
464 void atomisp_subdev_cleanup(struct atomisp_device
*isp
);
465 int atomisp_create_pads_links(struct atomisp_device
*isp
);
467 #endif /* __ATOMISP_SUBDEV_H__ */