1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Support for Medifield PNW Camera Imaging ISP subsystem. 4 * 5 * Copyright (c) 2010 Intel Corporation. All Rights Reserved. 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License version 9 * 2 as published by the Free Software Foundation. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * 17 */ 18 #ifndef __ATOMISP_SUBDEV_H__ 19 #define __ATOMISP_SUBDEV_H__ 20 21 #include <media/v4l2-ctrls.h> 22 #include <media/v4l2-device.h> 23 #include <media/v4l2-subdev.h> 24 #include <media/videobuf-core.h> 25 26 #include "atomisp_common.h" 27 #include "atomisp_compat.h" 28 #include "atomisp_v4l2.h" 29 30 #include "ia_css.h" 31 32 /* EXP_ID's ranger is 1 ~ 250 */ 33 #define ATOMISP_MAX_EXP_ID (250) 34 enum atomisp_subdev_input_entity { 35 ATOMISP_SUBDEV_INPUT_NONE, 36 ATOMISP_SUBDEV_INPUT_MEMORY, 37 ATOMISP_SUBDEV_INPUT_CSI2, 38 /* 39 * The following enum for CSI2 port must go together in one row. 40 * Otherwise it breaks the code logic. 41 */ 42 ATOMISP_SUBDEV_INPUT_CSI2_PORT1, 43 ATOMISP_SUBDEV_INPUT_CSI2_PORT2, 44 ATOMISP_SUBDEV_INPUT_CSI2_PORT3, 45 }; 46 47 #define ATOMISP_SUBDEV_PAD_SINK 0 48 /* capture output for still frames */ 49 #define ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE 1 50 /* viewfinder output for downscaled capture output */ 51 #define ATOMISP_SUBDEV_PAD_SOURCE_VF 2 52 /* preview output for display */ 53 #define ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW 3 54 /* main output for video pipeline */ 55 #define ATOMISP_SUBDEV_PAD_SOURCE_VIDEO 4 56 #define ATOMISP_SUBDEV_PADS_NUM 5 57 58 struct atomisp_in_fmt_conv { 59 u32 code; 60 u8 bpp; /* bits per pixel */ 61 u8 depth; /* uncompressed */ 62 enum atomisp_input_format atomisp_in_fmt; 63 enum ia_css_bayer_order bayer_order; 64 }; 65 66 struct atomisp_sub_device; 67 68 struct atomisp_video_pipe { 69 struct video_device vdev; 70 enum v4l2_buf_type type; 71 struct media_pad pad; 72 struct videobuf_queue capq; 73 struct videobuf_queue outq; 74 struct list_head activeq; 75 struct list_head activeq_out; 76 /* 77 * the buffers waiting for per-frame parameters, this is only valid 78 * in per-frame setting mode. 79 */ 80 struct list_head buffers_waiting_for_param; 81 /* the link list to store per_frame parameters */ 82 struct list_head per_frame_params; 83 84 unsigned int buffers_in_css; 85 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. */ 89 spinlock_t irq_lock; 90 unsigned int users; 91 92 struct atomisp_device *isp; 93 struct v4l2_pix_format pix; 94 u32 sh_fmt; 95 96 struct atomisp_sub_device *asd; 97 98 /* 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. 101 */ 102 unsigned int frame_config_id[VIDEO_MAX_FRAME]; 103 /* 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 106 */ 107 unsigned int frame_request_config_id[VIDEO_MAX_FRAME]; 108 struct atomisp_css_params_with_list *frame_params[VIDEO_MAX_FRAME]; 109 110 /* 111 * move wdt from asd struct to create wdt for each pipe 112 */ 113 /* ISP2401 */ 114 struct timer_list wdt; 115 unsigned int wdt_duration; /* in jiffies */ 116 unsigned long wdt_expires; 117 atomic_t wdt_count; 118 }; 119 120 struct atomisp_acc_pipe { 121 struct video_device vdev; 122 unsigned int users; 123 bool running; 124 struct atomisp_sub_device *asd; 125 struct atomisp_device *isp; 126 }; 127 128 struct atomisp_pad_format { 129 struct v4l2_mbus_framefmt fmt; 130 struct v4l2_rect crop; 131 struct v4l2_rect compose; 132 }; 133 134 /* Internal states for flash process */ 135 enum atomisp_flash_state { 136 ATOMISP_FLASH_IDLE, 137 ATOMISP_FLASH_REQUESTED, 138 ATOMISP_FLASH_ONGOING, 139 ATOMISP_FLASH_DONE 140 }; 141 142 /* 143 * This structure is used to cache the CSS parameters, it aligns to 144 * struct ia_css_isp_config but without un-supported and deprecated parts. 145 */ 146 struct atomisp_css_params { 147 struct ia_css_wb_config wb_config; 148 struct ia_css_cc_config cc_config; 149 struct ia_css_tnr_config tnr_config; 150 struct ia_css_ecd_config ecd_config; 151 struct ia_css_ynr_config ynr_config; 152 struct ia_css_fc_config fc_config; 153 struct ia_css_formats_config formats_config; 154 struct ia_css_cnr_config cnr_config; 155 struct ia_css_macc_config macc_config; 156 struct ia_css_ctc_config ctc_config; 157 struct ia_css_aa_config aa_config; 158 struct ia_css_aa_config baa_config; 159 struct ia_css_ce_config ce_config; 160 struct ia_css_ob_config ob_config; 161 struct ia_css_dp_config dp_config; 162 struct ia_css_de_config de_config; 163 struct ia_css_gc_config gc_config; 164 struct ia_css_nr_config nr_config; 165 struct ia_css_ee_config ee_config; 166 struct ia_css_anr_config anr_config; 167 struct ia_css_3a_config s3a_config; 168 struct ia_css_xnr_config xnr_config; 169 struct ia_css_dz_config dz_config; 170 struct ia_css_cc_config yuv2rgb_cc_config; 171 struct ia_css_cc_config rgb2yuv_cc_config; 172 struct ia_css_macc_table macc_table; 173 struct ia_css_gamma_table gamma_table; 174 struct ia_css_ctc_table ctc_table; 175 176 struct ia_css_xnr_table xnr_table; 177 struct ia_css_rgb_gamma_table r_gamma_table; 178 struct ia_css_rgb_gamma_table g_gamma_table; 179 struct ia_css_rgb_gamma_table b_gamma_table; 180 181 struct ia_css_vector motion_vector; 182 struct ia_css_anr_thres anr_thres; 183 184 struct ia_css_dvs_6axis_config *dvs_6axis; 185 struct ia_css_dvs2_coefficients *dvs2_coeff; 186 struct ia_css_shading_table *shading_table; 187 struct ia_css_morph_table *morph_table; 188 189 /* 190 * Used to store the user pointer address of the frame. driver needs to 191 * translate to ia_css_frame * and then set to CSS. 192 */ 193 void *output_frame; 194 u32 isp_config_id; 195 196 /* Indicates which parameters need to be updated. */ 197 struct atomisp_parameters update_flag; 198 }; 199 200 struct atomisp_subdev_params { 201 /* FIXME: Determines whether raw capture buffer are being passed to 202 * user space. Unimplemented for now. */ 203 int online_process; 204 int yuv_ds_en; 205 unsigned int color_effect; 206 bool gdc_cac_en; 207 bool macc_en; 208 bool bad_pixel_en; 209 bool video_dis_en; 210 bool sc_en; 211 bool fpn_en; 212 bool xnr_en; 213 bool low_light; 214 int false_color; 215 unsigned int histogram_elenum; 216 217 /* Current grid info */ 218 struct ia_css_grid_info curr_grid_info; 219 enum ia_css_pipe_id s3a_enabled_pipe; 220 221 int s3a_output_bytes; 222 223 bool dis_proj_data_valid; 224 225 struct ia_css_dz_config dz_config; /** Digital Zoom */ 226 struct ia_css_capture_config capture_config; 227 228 struct ia_css_isp_config config; 229 230 /* current configurations */ 231 struct atomisp_css_params css_param; 232 233 /* 234 * Intermediate buffers used to communicate data between 235 * CSS and user space. 236 */ 237 struct ia_css_3a_statistics *s3a_user_stat; 238 239 void *metadata_user[ATOMISP_METADATA_TYPE_NUM]; 240 u32 metadata_width_size; 241 242 struct ia_css_dvs2_statistics *dvs_stat; 243 struct ia_css_dvs_6axis_config *dvs_6axis; 244 u32 exp_id; 245 int dvs_hor_coef_bytes; 246 int dvs_ver_coef_bytes; 247 int dvs_ver_proj_bytes; 248 int dvs_hor_proj_bytes; 249 250 /* Flash */ 251 int num_flash_frames; 252 enum atomisp_flash_state flash_state; 253 enum atomisp_frame_status last_frame_status; 254 255 /* continuous capture */ 256 struct atomisp_cont_capture_conf offline_parm; 257 /* Flag to check if driver needs to update params to css */ 258 bool css_update_params_needed; 259 }; 260 261 struct atomisp_css_params_with_list { 262 /* parameters for CSS */ 263 struct atomisp_css_params params; 264 struct list_head list; 265 }; 266 267 struct atomisp_acc_fw { 268 struct ia_css_fw_info *fw; 269 unsigned int handle; 270 unsigned int flags; 271 unsigned int type; 272 struct { 273 size_t length; 274 unsigned long css_ptr; 275 } args[ATOMISP_ACC_NR_MEMORY]; 276 struct list_head list; 277 }; 278 279 struct atomisp_map { 280 ia_css_ptr ptr; 281 size_t length; 282 struct list_head list; 283 /* FIXME: should keep book which maps are currently used 284 * by binaries and not allow releasing those 285 * which are in use. Implement by reference counting. 286 */ 287 }; 288 289 struct atomisp_sub_device { 290 struct v4l2_subdev subdev; 291 struct media_pad pads[ATOMISP_SUBDEV_PADS_NUM]; 292 struct atomisp_pad_format fmt[ATOMISP_SUBDEV_PADS_NUM]; 293 u16 capture_pad; /* main capture pad; defines much of isp config */ 294 295 enum atomisp_subdev_input_entity input; 296 unsigned int output; 297 struct atomisp_video_pipe video_in; 298 struct atomisp_video_pipe video_out_capture; /* capture output */ 299 struct atomisp_video_pipe video_out_vf; /* viewfinder output */ 300 struct atomisp_video_pipe video_out_preview; /* preview output */ 301 struct atomisp_acc_pipe video_acc; 302 /* video pipe main output */ 303 struct atomisp_video_pipe video_out_video_capture; 304 /* struct isp_subdev_params params; */ 305 spinlock_t lock; 306 struct atomisp_device *isp; 307 struct v4l2_ctrl_handler ctrl_handler; 308 struct v4l2_ctrl *fmt_auto; 309 struct v4l2_ctrl *run_mode; 310 struct v4l2_ctrl *depth_mode; 311 struct v4l2_ctrl *vfpp; 312 struct v4l2_ctrl *continuous_mode; 313 struct v4l2_ctrl *continuous_raw_buffer_size; 314 struct v4l2_ctrl *continuous_viewfinder; 315 struct v4l2_ctrl *enable_raw_buffer_lock; 316 317 /* ISP2401 */ 318 struct v4l2_ctrl *ion_dev_fd; 319 struct v4l2_ctrl *select_isp_version; 320 321 struct v4l2_ctrl *disable_dz; 322 323 struct { 324 struct list_head fw; 325 struct list_head memory_maps; 326 struct ia_css_pipe *pipeline; 327 bool extension_mode; 328 struct ida ida; 329 struct completion acc_done; 330 void *acc_stages; 331 } acc; 332 333 struct atomisp_subdev_params params; 334 335 struct atomisp_stream_env stream_env[ATOMISP_INPUT_STREAM_NUM]; 336 337 struct v4l2_pix_format dvs_envelop; 338 unsigned int s3a_bufs_in_css[IA_CSS_PIPE_ID_NUM]; 339 unsigned int dis_bufs_in_css; 340 341 unsigned int metadata_bufs_in_css 342 [ATOMISP_INPUT_STREAM_NUM][IA_CSS_PIPE_ID_NUM]; 343 /* The list of free and available metadata buffers for CSS */ 344 struct list_head metadata[ATOMISP_METADATA_TYPE_NUM]; 345 /* The list of metadata buffers which have been en-queued to CSS */ 346 struct list_head metadata_in_css[ATOMISP_METADATA_TYPE_NUM]; 347 /* The list of metadata buffers which are ready for userspace to get */ 348 struct list_head metadata_ready[ATOMISP_METADATA_TYPE_NUM]; 349 350 /* The list of free and available s3a stat buffers for CSS */ 351 struct list_head s3a_stats; 352 /* The list of s3a stat buffers which have been en-queued to CSS */ 353 struct list_head s3a_stats_in_css; 354 /* The list of s3a stat buffers which are ready for userspace to get */ 355 struct list_head s3a_stats_ready; 356 357 struct list_head dis_stats; 358 struct list_head dis_stats_in_css; 359 spinlock_t dis_stats_lock; 360 361 struct ia_css_frame *vf_frame; /* TODO: needed? */ 362 struct ia_css_frame *raw_output_frame; 363 enum atomisp_frame_status frame_status[VIDEO_MAX_FRAME]; 364 365 /* This field specifies which camera (v4l2 input) is selected. */ 366 int input_curr; 367 /* This field specifies which sensor is being selected when there 368 are multiple sensors connected to the same MIPI port. */ 369 int sensor_curr; 370 371 atomic_t sof_count; 372 atomic_t sequence; /* Sequence value that is assigned to buffer. */ 373 atomic_t sequence_temp; 374 375 unsigned int streaming; /* Hold both mutex and lock to change this */ 376 bool stream_prepared; /* whether css stream is created */ 377 378 /* subdev index: will be used to show which subdev is holding the 379 * resource, like which camera is used by which subdev 380 */ 381 unsigned int index; 382 383 /* delayed memory allocation for css */ 384 struct completion init_done; 385 struct workqueue_struct *delayed_init_workq; 386 unsigned int delayed_init; 387 struct work_struct delayed_init_work; 388 389 unsigned int latest_preview_exp_id; /* CSS ZSL/SDV raw buffer id */ 390 391 unsigned int mipi_frame_size; 392 393 bool copy_mode; /* CSI2+ use copy mode */ 394 bool yuvpp_mode; /* CSI2+ yuvpp pipe */ 395 396 int raw_buffer_bitmap[ATOMISP_MAX_EXP_ID / 32 + 397 1]; /* Record each Raw Buffer lock status */ 398 int raw_buffer_locked_count; 399 spinlock_t raw_buffer_bitmap_lock; 400 401 /* ISP 2400 */ 402 struct timer_list wdt; 403 unsigned int wdt_duration; /* in jiffies */ 404 unsigned long wdt_expires; 405 406 /* ISP2401 */ 407 bool re_trigger_capture; 408 409 struct atomisp_resolution sensor_array_res; 410 bool high_speed_mode; /* Indicate whether now is a high speed mode */ 411 int pending_capture_request; /* Indicates the number of pending capture requests. */ 412 413 unsigned int preview_exp_id; 414 unsigned int postview_exp_id; 415 }; 416 417 extern const struct atomisp_in_fmt_conv atomisp_in_fmt_conv[]; 418 419 u32 atomisp_subdev_uncompressed_code(u32 code); 420 bool atomisp_subdev_is_compressed(u32 code); 421 const struct atomisp_in_fmt_conv *atomisp_find_in_fmt_conv(u32 code); 422 423 /* ISP2400 */ 424 const struct atomisp_in_fmt_conv *atomisp_find_in_fmt_conv_by_atomisp_in_fmt( 425 enum atomisp_input_format atomisp_in_fmt); 426 427 /* ISP2401 */ 428 const struct atomisp_in_fmt_conv 429 *atomisp_find_in_fmt_conv_by_atomisp_in_fmt(enum atomisp_input_format 430 atomisp_in_fmt); 431 432 const struct atomisp_in_fmt_conv *atomisp_find_in_fmt_conv_compressed(u32 code); 433 bool atomisp_subdev_format_conversion(struct atomisp_sub_device *asd, 434 unsigned int source_pad); 435 uint16_t atomisp_subdev_source_pad(struct video_device *vdev); 436 437 /* Get pointer to appropriate format */ 438 struct v4l2_mbus_framefmt 439 *atomisp_subdev_get_ffmt(struct v4l2_subdev *sd, 440 struct v4l2_subdev_pad_config *cfg, uint32_t which, 441 uint32_t pad); 442 struct v4l2_rect *atomisp_subdev_get_rect(struct v4l2_subdev *sd, 443 struct v4l2_subdev_pad_config *cfg, 444 u32 which, uint32_t pad, 445 uint32_t target); 446 int atomisp_subdev_set_selection(struct v4l2_subdev *sd, 447 struct v4l2_subdev_pad_config *cfg, 448 u32 which, uint32_t pad, uint32_t target, 449 u32 flags, struct v4l2_rect *r); 450 /* Actually set the format */ 451 void atomisp_subdev_set_ffmt(struct v4l2_subdev *sd, 452 struct v4l2_subdev_pad_config *cfg, uint32_t which, 453 u32 pad, struct v4l2_mbus_framefmt *ffmt); 454 455 int atomisp_update_run_mode(struct atomisp_sub_device *asd); 456 457 void atomisp_subdev_cleanup_pending_events(struct atomisp_sub_device *asd); 458 459 void atomisp_subdev_unregister_entities(struct atomisp_sub_device *asd); 460 int atomisp_subdev_register_entities(struct atomisp_sub_device *asd, 461 struct v4l2_device *vdev); 462 int atomisp_subdev_init(struct atomisp_device *isp); 463 void atomisp_subdev_cleanup(struct atomisp_device *isp); 464 int atomisp_create_pads_links(struct atomisp_device *isp); 465 466 #endif /* __ATOMISP_SUBDEV_H__ */ 467