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/videobuf2-v4l2.h> 25 #include "atomisp_common.h" 26 #include "atomisp_compat.h" 27 #include "atomisp_v4l2.h" 28 29 #include "ia_css.h" 30 31 /* EXP_ID's ranger is 1 ~ 250 */ 32 #define ATOMISP_MAX_EXP_ID (250) 33 34 #define ATOMISP_SUBDEV_PAD_SINK 0 35 /* capture output for still frames */ 36 #define ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE 1 37 /* viewfinder output for downscaled capture output */ 38 #define ATOMISP_SUBDEV_PAD_SOURCE_VF 2 39 /* preview output for display */ 40 #define ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW 3 41 /* main output for video pipeline */ 42 #define ATOMISP_SUBDEV_PAD_SOURCE_VIDEO 4 43 #define ATOMISP_SUBDEV_PADS_NUM 5 44 45 struct atomisp_in_fmt_conv { 46 u32 code; 47 u8 bpp; /* bits per pixel */ 48 u8 depth; /* uncompressed */ 49 enum atomisp_input_format atomisp_in_fmt; 50 enum ia_css_bayer_order bayer_order; 51 }; 52 53 struct atomisp_sub_device; 54 55 struct atomisp_video_pipe { 56 struct video_device vdev; 57 enum v4l2_buf_type type; 58 struct media_pad pad; 59 struct vb2_queue vb_queue; 60 /* Lock for vb_queue, when also taking isp->mutex this must be taken first! */ 61 struct mutex vb_queue_mutex; 62 /* List of video-buffers handed over to the CSS */ 63 struct list_head buffers_in_css; 64 /* List of video-buffers handed over to the driver, but not yet to the CSS */ 65 struct list_head activeq; 66 /* 67 * the buffers waiting for per-frame parameters, this is only valid 68 * in per-frame setting mode. 69 */ 70 struct list_head buffers_waiting_for_param; 71 /* the link list to store per_frame parameters */ 72 struct list_head per_frame_params; 73 74 /* Filled through atomisp_get_css_frame_info() on queue setup */ 75 struct ia_css_frame_info frame_info; 76 77 /* Store here the initial run mode */ 78 unsigned int default_run_mode; 79 /* Set from streamoff to disallow queuing further buffers in CSS */ 80 bool stopping; 81 82 /* 83 * irq_lock is used to protect video buffer state change operations and 84 * also to make activeq and capq operations atomic. 85 */ 86 spinlock_t irq_lock; 87 unsigned int users; 88 89 struct atomisp_device *isp; 90 struct v4l2_pix_format pix; 91 u32 sh_fmt; 92 93 struct atomisp_sub_device *asd; 94 95 /* 96 * This frame_config_id is got from CSS when dequueues buffers from CSS, 97 * it is used to indicate which parameter it has applied. 98 */ 99 unsigned int frame_config_id[VIDEO_MAX_FRAME]; 100 /* 101 * This config id is set when camera HAL enqueues buffer, it has a 102 * non-zero value to indicate which parameter it needs to applu 103 */ 104 unsigned int frame_request_config_id[VIDEO_MAX_FRAME]; 105 struct atomisp_css_params_with_list *frame_params[VIDEO_MAX_FRAME]; 106 }; 107 108 #define vq_to_pipe(queue) \ 109 container_of(queue, struct atomisp_video_pipe, vb_queue) 110 111 #define vb_to_pipe(vb) vq_to_pipe((vb)->vb2_queue) 112 113 struct atomisp_pad_format { 114 struct v4l2_mbus_framefmt fmt; 115 struct v4l2_rect crop; 116 struct v4l2_rect compose; 117 }; 118 119 /* Internal states for flash process */ 120 enum atomisp_flash_state { 121 ATOMISP_FLASH_IDLE, 122 ATOMISP_FLASH_REQUESTED, 123 ATOMISP_FLASH_ONGOING, 124 ATOMISP_FLASH_DONE 125 }; 126 127 /* 128 * This structure is used to cache the CSS parameters, it aligns to 129 * struct ia_css_isp_config but without un-supported and deprecated parts. 130 */ 131 struct atomisp_css_params { 132 struct ia_css_wb_config wb_config; 133 struct ia_css_cc_config cc_config; 134 struct ia_css_tnr_config tnr_config; 135 struct ia_css_ecd_config ecd_config; 136 struct ia_css_ynr_config ynr_config; 137 struct ia_css_fc_config fc_config; 138 struct ia_css_formats_config formats_config; 139 struct ia_css_cnr_config cnr_config; 140 struct ia_css_macc_config macc_config; 141 struct ia_css_ctc_config ctc_config; 142 struct ia_css_aa_config aa_config; 143 struct ia_css_aa_config baa_config; 144 struct ia_css_ce_config ce_config; 145 struct ia_css_ob_config ob_config; 146 struct ia_css_dp_config dp_config; 147 struct ia_css_de_config de_config; 148 struct ia_css_gc_config gc_config; 149 struct ia_css_nr_config nr_config; 150 struct ia_css_ee_config ee_config; 151 struct ia_css_anr_config anr_config; 152 struct ia_css_3a_config s3a_config; 153 struct ia_css_xnr_config xnr_config; 154 struct ia_css_dz_config dz_config; 155 struct ia_css_cc_config yuv2rgb_cc_config; 156 struct ia_css_cc_config rgb2yuv_cc_config; 157 struct ia_css_macc_table macc_table; 158 struct ia_css_gamma_table gamma_table; 159 struct ia_css_ctc_table ctc_table; 160 161 struct ia_css_xnr_table xnr_table; 162 struct ia_css_rgb_gamma_table r_gamma_table; 163 struct ia_css_rgb_gamma_table g_gamma_table; 164 struct ia_css_rgb_gamma_table b_gamma_table; 165 166 struct ia_css_vector motion_vector; 167 struct ia_css_anr_thres anr_thres; 168 169 struct ia_css_dvs_6axis_config *dvs_6axis; 170 struct ia_css_dvs2_coefficients *dvs2_coeff; 171 struct ia_css_shading_table *shading_table; 172 struct ia_css_morph_table *morph_table; 173 174 /* 175 * Used to store the user pointer address of the frame. driver needs to 176 * translate to ia_css_frame * and then set to CSS. 177 */ 178 void *output_frame; 179 u32 isp_config_id; 180 181 /* Indicates which parameters need to be updated. */ 182 struct atomisp_parameters update_flag; 183 }; 184 185 struct atomisp_subdev_params { 186 /* FIXME: Determines whether raw capture buffer are being passed to 187 * user space. Unimplemented for now. */ 188 int online_process; 189 int yuv_ds_en; 190 unsigned int color_effect; 191 bool gdc_cac_en; 192 bool macc_en; 193 bool bad_pixel_en; 194 bool video_dis_en; 195 bool sc_en; 196 bool fpn_en; 197 bool xnr_en; 198 bool low_light; 199 int false_color; 200 unsigned int histogram_elenum; 201 202 /* Current grid info */ 203 struct ia_css_grid_info curr_grid_info; 204 enum ia_css_pipe_id s3a_enabled_pipe; 205 206 int s3a_output_bytes; 207 208 bool dis_proj_data_valid; 209 210 struct ia_css_dz_config dz_config; /** Digital Zoom */ 211 struct ia_css_capture_config capture_config; 212 213 struct ia_css_isp_config config; 214 215 /* current configurations */ 216 struct atomisp_css_params css_param; 217 218 /* 219 * Intermediate buffers used to communicate data between 220 * CSS and user space. 221 */ 222 struct ia_css_3a_statistics *s3a_user_stat; 223 224 void *metadata_user[ATOMISP_METADATA_TYPE_NUM]; 225 u32 metadata_width_size; 226 227 struct ia_css_dvs2_statistics *dvs_stat; 228 struct ia_css_dvs_6axis_config *dvs_6axis; 229 u32 exp_id; 230 int dvs_hor_coef_bytes; 231 int dvs_ver_coef_bytes; 232 int dvs_ver_proj_bytes; 233 int dvs_hor_proj_bytes; 234 235 /* Flash */ 236 int num_flash_frames; 237 enum atomisp_flash_state flash_state; 238 enum atomisp_frame_status last_frame_status; 239 240 /* continuous capture */ 241 struct atomisp_cont_capture_conf offline_parm; 242 /* Flag to check if driver needs to update params to css */ 243 bool css_update_params_needed; 244 }; 245 246 struct atomisp_css_params_with_list { 247 /* parameters for CSS */ 248 struct atomisp_css_params params; 249 struct list_head list; 250 }; 251 252 struct atomisp_sub_device { 253 struct v4l2_subdev subdev; 254 struct media_pad pads[ATOMISP_SUBDEV_PADS_NUM]; 255 struct atomisp_pad_format fmt[ATOMISP_SUBDEV_PADS_NUM]; 256 u16 capture_pad; /* main capture pad; defines much of isp config */ 257 258 unsigned int output; 259 struct atomisp_video_pipe video_out_capture; /* capture output */ 260 struct atomisp_video_pipe video_out_vf; /* viewfinder output */ 261 struct atomisp_video_pipe video_out_preview; /* preview output */ 262 /* video pipe main output */ 263 struct atomisp_video_pipe video_out_video_capture; 264 /* struct isp_subdev_params params; */ 265 struct atomisp_device *isp; 266 struct v4l2_ctrl_handler ctrl_handler; 267 struct v4l2_ctrl *fmt_auto; 268 struct v4l2_ctrl *run_mode; 269 struct v4l2_ctrl *depth_mode; 270 struct v4l2_ctrl *vfpp; 271 struct v4l2_ctrl *continuous_mode; 272 struct v4l2_ctrl *continuous_raw_buffer_size; 273 struct v4l2_ctrl *continuous_viewfinder; 274 struct v4l2_ctrl *enable_raw_buffer_lock; 275 276 /* ISP2401 */ 277 struct v4l2_ctrl *ion_dev_fd; 278 279 struct v4l2_ctrl *disable_dz; 280 281 struct atomisp_subdev_params params; 282 283 struct atomisp_stream_env stream_env[ATOMISP_INPUT_STREAM_NUM]; 284 285 struct v4l2_pix_format dvs_envelop; 286 unsigned int s3a_bufs_in_css[IA_CSS_PIPE_ID_NUM]; 287 unsigned int dis_bufs_in_css; 288 289 unsigned int metadata_bufs_in_css 290 [ATOMISP_INPUT_STREAM_NUM][IA_CSS_PIPE_ID_NUM]; 291 /* The list of free and available metadata buffers for CSS */ 292 struct list_head metadata[ATOMISP_METADATA_TYPE_NUM]; 293 /* The list of metadata buffers which have been en-queued to CSS */ 294 struct list_head metadata_in_css[ATOMISP_METADATA_TYPE_NUM]; 295 /* The list of metadata buffers which are ready for userspace to get */ 296 struct list_head metadata_ready[ATOMISP_METADATA_TYPE_NUM]; 297 298 /* The list of free and available s3a stat buffers for CSS */ 299 struct list_head s3a_stats; 300 /* The list of s3a stat buffers which have been en-queued to CSS */ 301 struct list_head s3a_stats_in_css; 302 /* The list of s3a stat buffers which are ready for userspace to get */ 303 struct list_head s3a_stats_ready; 304 305 struct list_head dis_stats; 306 struct list_head dis_stats_in_css; 307 spinlock_t dis_stats_lock; 308 309 struct ia_css_frame *vf_frame; /* TODO: needed? */ 310 struct ia_css_frame *raw_output_frame; 311 enum atomisp_frame_status frame_status[VIDEO_MAX_FRAME]; 312 313 /* This field specifies which camera (v4l2 input) is selected. */ 314 int input_curr; 315 316 atomic_t sof_count; 317 atomic_t sequence; /* Sequence value that is assigned to buffer. */ 318 atomic_t sequence_temp; 319 320 /* 321 * Writers of streaming must hold both isp->mutex and isp->lock. 322 * Readers of streaming need to hold only one of the two locks. 323 */ 324 unsigned int streaming; 325 bool stream_prepared; /* whether css stream is created */ 326 327 /* subdev index: will be used to show which subdev is holding the 328 * resource, like which camera is used by which subdev 329 */ 330 unsigned int index; 331 332 /* delayed memory allocation for css */ 333 struct completion init_done; 334 struct workqueue_struct *delayed_init_workq; 335 unsigned int delayed_init; 336 struct work_struct delayed_init_work; 337 338 unsigned int latest_preview_exp_id; /* CSS ZSL/SDV raw buffer id */ 339 340 unsigned int mipi_frame_size; 341 342 bool copy_mode; /* CSI2+ use copy mode */ 343 bool yuvpp_mode; /* CSI2+ yuvpp pipe */ 344 345 int raw_buffer_bitmap[ATOMISP_MAX_EXP_ID / 32 + 346 1]; /* Record each Raw Buffer lock status */ 347 int raw_buffer_locked_count; 348 spinlock_t raw_buffer_bitmap_lock; 349 350 /* ISP2401 */ 351 bool re_trigger_capture; 352 353 struct atomisp_resolution sensor_array_res; 354 bool high_speed_mode; /* Indicate whether now is a high speed mode */ 355 int pending_capture_request; /* Indicates the number of pending capture requests. */ 356 357 unsigned int preview_exp_id; 358 unsigned int postview_exp_id; 359 }; 360 361 extern const struct atomisp_in_fmt_conv atomisp_in_fmt_conv[]; 362 363 u32 atomisp_subdev_uncompressed_code(u32 code); 364 bool atomisp_subdev_is_compressed(u32 code); 365 const struct atomisp_in_fmt_conv *atomisp_find_in_fmt_conv(u32 code); 366 367 /* ISP2400 */ 368 const struct atomisp_in_fmt_conv *atomisp_find_in_fmt_conv_by_atomisp_in_fmt( 369 enum atomisp_input_format atomisp_in_fmt); 370 371 /* ISP2401 */ 372 const struct atomisp_in_fmt_conv 373 *atomisp_find_in_fmt_conv_by_atomisp_in_fmt(enum atomisp_input_format 374 atomisp_in_fmt); 375 376 const struct atomisp_in_fmt_conv *atomisp_find_in_fmt_conv_compressed(u32 code); 377 bool atomisp_subdev_format_conversion(struct atomisp_sub_device *asd, 378 unsigned int source_pad); 379 uint16_t atomisp_subdev_source_pad(struct video_device *vdev); 380 381 /* Get pointer to appropriate format */ 382 struct v4l2_mbus_framefmt 383 *atomisp_subdev_get_ffmt(struct v4l2_subdev *sd, 384 struct v4l2_subdev_state *sd_state, uint32_t which, 385 uint32_t pad); 386 struct v4l2_rect *atomisp_subdev_get_rect(struct v4l2_subdev *sd, 387 struct v4l2_subdev_state *sd_state, 388 u32 which, uint32_t pad, 389 uint32_t target); 390 int atomisp_subdev_set_selection(struct v4l2_subdev *sd, 391 struct v4l2_subdev_state *sd_state, 392 u32 which, uint32_t pad, uint32_t target, 393 u32 flags, struct v4l2_rect *r); 394 /* Actually set the format */ 395 void atomisp_subdev_set_ffmt(struct v4l2_subdev *sd, 396 struct v4l2_subdev_state *sd_state, 397 uint32_t which, 398 u32 pad, struct v4l2_mbus_framefmt *ffmt); 399 400 int atomisp_update_run_mode(struct atomisp_sub_device *asd); 401 402 void atomisp_subdev_cleanup_pending_events(struct atomisp_sub_device *asd); 403 404 void atomisp_subdev_unregister_entities(struct atomisp_sub_device *asd); 405 int atomisp_subdev_register_subdev(struct atomisp_sub_device *asd, 406 struct v4l2_device *vdev); 407 int atomisp_subdev_register_video_nodes(struct atomisp_sub_device *asd, 408 struct v4l2_device *vdev); 409 int atomisp_subdev_init(struct atomisp_device *isp); 410 void atomisp_subdev_cleanup(struct atomisp_device *isp); 411 int atomisp_create_pads_links(struct atomisp_device *isp); 412 413 #endif /* __ATOMISP_SUBDEV_H__ */ 414