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 #ifndef __ATOMISP_SUBDEV_H__ 8 #define __ATOMISP_SUBDEV_H__ 9 10 #include <media/v4l2-ctrls.h> 11 #include <media/v4l2-device.h> 12 #include <media/v4l2-subdev.h> 13 #include <media/videobuf2-v4l2.h> 14 #include "atomisp_common.h" 15 #include "atomisp_compat.h" 16 #include "atomisp_v4l2.h" 17 18 #include "ia_css.h" 19 20 /* EXP_ID's ranger is 1 ~ 250 */ 21 #define ATOMISP_MAX_EXP_ID (250) 22 23 #define ATOMISP_SUBDEV_PAD_SINK 0 24 #define ATOMISP_SUBDEV_PAD_SOURCE 1 25 #define ATOMISP_SUBDEV_PADS_NUM 2 26 27 struct atomisp_in_fmt_conv { 28 u32 code; 29 u8 bpp; /* bits per pixel */ 30 u8 depth; /* uncompressed */ 31 enum atomisp_input_format atomisp_in_fmt; 32 enum ia_css_bayer_order bayer_order; 33 }; 34 35 struct atomisp_sub_device; 36 37 struct atomisp_video_pipe { 38 struct video_device vdev; 39 enum v4l2_buf_type type; 40 struct media_pad pad; 41 struct media_pipeline pipe; 42 struct vb2_queue vb_queue; 43 /* Lock for vb_queue, when also taking isp->mutex this must be taken first! */ 44 struct mutex vb_queue_mutex; 45 /* List of video-buffers handed over to the CSS */ 46 struct list_head buffers_in_css; 47 /* List of video-buffers handed over to the driver, but not yet to the CSS */ 48 struct list_head activeq; 49 /* 50 * the buffers waiting for per-frame parameters, this is only valid 51 * in per-frame setting mode. 52 */ 53 struct list_head buffers_waiting_for_param; 54 /* the link list to store per_frame parameters */ 55 struct list_head per_frame_params; 56 57 /* Filled through atomisp_get_css_frame_info() on queue setup */ 58 struct ia_css_frame_info frame_info; 59 60 /* 61 * irq_lock is used to protect video buffer state change operations and 62 * also to make activeq and capq operations atomic. 63 */ 64 spinlock_t irq_lock; 65 unsigned int users; 66 67 struct atomisp_device *isp; 68 struct v4l2_pix_format pix; 69 u32 sh_fmt; 70 71 struct atomisp_sub_device *asd; 72 73 /* 74 * This frame_config_id is got from CSS when dequueues buffers from CSS, 75 * it is used to indicate which parameter it has applied. 76 */ 77 unsigned int frame_config_id[VIDEO_MAX_FRAME]; 78 /* 79 * This config id is set when camera HAL enqueues buffer, it has a 80 * non-zero value to indicate which parameter it needs to applu 81 */ 82 unsigned int frame_request_config_id[VIDEO_MAX_FRAME]; 83 struct atomisp_css_params_with_list *frame_params[VIDEO_MAX_FRAME]; 84 }; 85 86 #define vq_to_pipe(queue) \ 87 container_of(queue, struct atomisp_video_pipe, vb_queue) 88 89 #define vb_to_pipe(vb) vq_to_pipe((vb)->vb2_queue) 90 91 struct atomisp_pad_format { 92 struct v4l2_mbus_framefmt fmt; 93 struct v4l2_rect crop; 94 struct v4l2_rect compose; 95 }; 96 97 /* 98 * This structure is used to cache the CSS parameters, it aligns to 99 * struct ia_css_isp_config but without un-supported and deprecated parts. 100 */ 101 struct atomisp_css_params { 102 struct ia_css_wb_config wb_config; 103 struct ia_css_cc_config cc_config; 104 struct ia_css_tnr_config tnr_config; 105 struct ia_css_ecd_config ecd_config; 106 struct ia_css_ynr_config ynr_config; 107 struct ia_css_fc_config fc_config; 108 struct ia_css_formats_config formats_config; 109 struct ia_css_cnr_config cnr_config; 110 struct ia_css_macc_config macc_config; 111 struct ia_css_ctc_config ctc_config; 112 struct ia_css_aa_config aa_config; 113 struct ia_css_aa_config baa_config; 114 struct ia_css_ce_config ce_config; 115 struct ia_css_ob_config ob_config; 116 struct ia_css_dp_config dp_config; 117 struct ia_css_de_config de_config; 118 struct ia_css_gc_config gc_config; 119 struct ia_css_nr_config nr_config; 120 struct ia_css_ee_config ee_config; 121 struct ia_css_anr_config anr_config; 122 struct ia_css_3a_config s3a_config; 123 struct ia_css_xnr_config xnr_config; 124 struct ia_css_dz_config dz_config; 125 struct ia_css_cc_config yuv2rgb_cc_config; 126 struct ia_css_cc_config rgb2yuv_cc_config; 127 struct ia_css_macc_table macc_table; 128 struct ia_css_gamma_table gamma_table; 129 struct ia_css_ctc_table ctc_table; 130 131 struct ia_css_xnr_table xnr_table; 132 struct ia_css_rgb_gamma_table r_gamma_table; 133 struct ia_css_rgb_gamma_table g_gamma_table; 134 struct ia_css_rgb_gamma_table b_gamma_table; 135 136 struct ia_css_vector motion_vector; 137 struct ia_css_anr_thres anr_thres; 138 139 struct ia_css_dvs_6axis_config *dvs_6axis; 140 struct ia_css_dvs2_coefficients *dvs2_coeff; 141 struct ia_css_shading_table *shading_table; 142 struct ia_css_morph_table *morph_table; 143 144 /* 145 * Used to store the user pointer address of the frame. driver needs to 146 * translate to ia_css_frame * and then set to CSS. 147 */ 148 void *output_frame; 149 u32 isp_config_id; 150 151 /* Indicates which parameters need to be updated. */ 152 struct atomisp_parameters update_flag; 153 }; 154 155 struct atomisp_subdev_params { 156 int yuv_ds_en; 157 unsigned int color_effect; 158 bool gdc_cac_en; 159 bool macc_en; 160 bool bad_pixel_en; 161 bool video_dis_en; 162 bool sc_en; 163 bool fpn_en; 164 bool xnr_en; 165 bool low_light; 166 int false_color; 167 unsigned int histogram_elenum; 168 169 /* Current grid info */ 170 struct ia_css_grid_info curr_grid_info; 171 enum ia_css_pipe_id s3a_enabled_pipe; 172 173 int s3a_output_bytes; 174 175 bool dis_proj_data_valid; 176 177 struct ia_css_dz_config dz_config; /** Digital Zoom */ 178 struct ia_css_capture_config capture_config; 179 180 struct ia_css_isp_config config; 181 182 /* current configurations */ 183 struct atomisp_css_params css_param; 184 185 /* 186 * Intermediate buffers used to communicate data between 187 * CSS and user space. 188 */ 189 struct ia_css_3a_statistics *s3a_user_stat; 190 191 void *metadata_user[ATOMISP_METADATA_TYPE_NUM]; 192 u32 metadata_width_size; 193 194 struct ia_css_dvs2_statistics *dvs_stat; 195 struct ia_css_dvs_6axis_config *dvs_6axis; 196 u32 exp_id; 197 int dvs_hor_coef_bytes; 198 int dvs_ver_coef_bytes; 199 int dvs_ver_proj_bytes; 200 int dvs_hor_proj_bytes; 201 202 /* Flag to check if driver needs to update params to css */ 203 bool css_update_params_needed; 204 }; 205 206 struct atomisp_css_params_with_list { 207 /* parameters for CSS */ 208 struct atomisp_css_params params; 209 struct list_head list; 210 }; 211 212 struct atomisp_sub_device { 213 struct v4l2_subdev subdev; 214 struct media_pad pads[ATOMISP_SUBDEV_PADS_NUM]; 215 struct atomisp_pad_format fmt[ATOMISP_SUBDEV_PADS_NUM]; 216 /* Padding for currently set sink-pad fmt */ 217 u32 sink_pad_padding_w; 218 u32 sink_pad_padding_h; 219 220 unsigned int output; 221 struct atomisp_video_pipe video_out; 222 struct atomisp_device *isp; 223 struct v4l2_ctrl_handler ctrl_handler; 224 struct v4l2_ctrl *run_mode; 225 struct v4l2_ctrl *vfpp; 226 struct v4l2_ctrl *continuous_raw_buffer_size; 227 struct v4l2_ctrl *continuous_viewfinder; 228 struct v4l2_ctrl *enable_raw_buffer_lock; 229 230 /* ISP2401 */ 231 struct v4l2_ctrl *ion_dev_fd; 232 233 struct v4l2_ctrl *disable_dz; 234 235 struct atomisp_subdev_params params; 236 237 struct atomisp_stream_env stream_env[ATOMISP_INPUT_STREAM_NUM]; 238 239 struct v4l2_pix_format dvs_envelop; 240 unsigned int s3a_bufs_in_css[IA_CSS_PIPE_ID_NUM]; 241 unsigned int dis_bufs_in_css; 242 243 unsigned int metadata_bufs_in_css 244 [ATOMISP_INPUT_STREAM_NUM][IA_CSS_PIPE_ID_NUM]; 245 /* The list of free and available metadata buffers for CSS */ 246 struct list_head metadata[ATOMISP_METADATA_TYPE_NUM]; 247 /* The list of metadata buffers which have been en-queued to CSS */ 248 struct list_head metadata_in_css[ATOMISP_METADATA_TYPE_NUM]; 249 /* The list of metadata buffers which are ready for userspace to get */ 250 struct list_head metadata_ready[ATOMISP_METADATA_TYPE_NUM]; 251 252 /* The list of free and available s3a stat buffers for CSS */ 253 struct list_head s3a_stats; 254 /* The list of s3a stat buffers which have been en-queued to CSS */ 255 struct list_head s3a_stats_in_css; 256 /* The list of s3a stat buffers which are ready for userspace to get */ 257 struct list_head s3a_stats_ready; 258 259 struct list_head dis_stats; 260 struct list_head dis_stats_in_css; 261 spinlock_t dis_stats_lock; 262 263 /* This field specifies which camera (v4l2 input) is selected. */ 264 int input_curr; 265 266 atomic_t sof_count; 267 atomic_t sequence; /* Sequence value that is assigned to buffer. */ 268 atomic_t sequence_temp; 269 270 /* 271 * Writers of streaming must hold both isp->mutex and isp->lock. 272 * Readers of streaming need to hold only one of the two locks. 273 */ 274 bool streaming; 275 bool stream_prepared; /* whether css stream is created */ 276 bool recreate_streams_on_resume; 277 278 unsigned int latest_preview_exp_id; /* CSS ZSL/SDV raw buffer id */ 279 280 bool copy_mode; /* CSI2+ use copy mode */ 281 282 int raw_buffer_bitmap[ATOMISP_MAX_EXP_ID / 32 + 283 1]; /* Record each Raw Buffer lock status */ 284 int raw_buffer_locked_count; 285 spinlock_t raw_buffer_bitmap_lock; 286 287 /* ISP2401 */ 288 bool re_trigger_capture; 289 290 struct atomisp_resolution sensor_array_res; 291 bool high_speed_mode; /* Indicate whether now is a high speed mode */ 292 293 unsigned int preview_exp_id; 294 unsigned int postview_exp_id; 295 }; 296 297 extern const struct atomisp_in_fmt_conv atomisp_in_fmt_conv[]; 298 299 u32 atomisp_subdev_uncompressed_code(u32 code); 300 bool atomisp_subdev_is_compressed(u32 code); 301 const struct atomisp_in_fmt_conv *atomisp_find_in_fmt_conv(u32 code); 302 303 /* ISP2400 */ 304 const struct atomisp_in_fmt_conv *atomisp_find_in_fmt_conv_by_atomisp_in_fmt( 305 enum atomisp_input_format atomisp_in_fmt); 306 307 /* ISP2401 */ 308 const struct atomisp_in_fmt_conv 309 *atomisp_find_in_fmt_conv_by_atomisp_in_fmt(enum atomisp_input_format 310 atomisp_in_fmt); 311 312 const struct atomisp_in_fmt_conv *atomisp_find_in_fmt_conv_compressed(u32 code); 313 bool atomisp_subdev_format_conversion(struct atomisp_sub_device *asd); 314 315 /* Get pointer to appropriate format */ 316 struct v4l2_mbus_framefmt 317 *atomisp_subdev_get_ffmt(struct v4l2_subdev *sd, 318 struct v4l2_subdev_state *sd_state, uint32_t which, 319 uint32_t pad); 320 struct v4l2_rect *atomisp_subdev_get_rect(struct v4l2_subdev *sd, 321 struct v4l2_subdev_state *sd_state, 322 u32 which, uint32_t pad, 323 uint32_t target); 324 int atomisp_subdev_set_selection(struct v4l2_subdev *sd, 325 struct v4l2_subdev_state *sd_state, 326 u32 which, uint32_t pad, uint32_t target, 327 u32 flags, struct v4l2_rect *r); 328 /* Actually set the format */ 329 void atomisp_subdev_set_ffmt(struct v4l2_subdev *sd, 330 struct v4l2_subdev_state *sd_state, 331 uint32_t which, 332 u32 pad, struct v4l2_mbus_framefmt *ffmt); 333 334 void atomisp_subdev_cleanup_pending_events(struct atomisp_sub_device *asd); 335 336 void atomisp_subdev_unregister_entities(struct atomisp_sub_device *asd); 337 int atomisp_subdev_register_subdev(struct atomisp_sub_device *asd, 338 struct v4l2_device *vdev); 339 int atomisp_subdev_init(struct atomisp_device *isp); 340 void atomisp_subdev_cleanup(struct atomisp_device *isp); 341 342 #endif /* __ATOMISP_SUBDEV_H__ */ 343