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