1/* 2 * Copyright (C) 2010 - 2012 Samsung Electronics Co., Ltd. 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License version 2 as 6 * published by the Free Software Foundation. 7 */ 8 9#ifndef FIMC_CORE_H_ 10#define FIMC_CORE_H_ 11 12/*#define DEBUG*/ 13 14#include <linux/platform_device.h> 15#include <linux/regmap.h> 16#include <linux/sched.h> 17#include <linux/spinlock.h> 18#include <linux/mfd/syscon.h> 19#include <linux/types.h> 20#include <linux/videodev2.h> 21#include <linux/io.h> 22#include <linux/sizes.h> 23 24#include <media/media-entity.h> 25#include <media/videobuf2-core.h> 26#include <media/v4l2-ctrls.h> 27#include <media/v4l2-device.h> 28#include <media/v4l2-mem2mem.h> 29#include <media/v4l2-mediabus.h> 30#include <media/exynos-fimc.h> 31 32#define dbg(fmt, args...) \ 33 pr_debug("%s:%d: " fmt "\n", __func__, __LINE__, ##args) 34 35/* Time to wait for next frame VSYNC interrupt while stopping operation. */ 36#define FIMC_SHUTDOWN_TIMEOUT ((100*HZ)/1000) 37#define MAX_FIMC_CLOCKS 2 38#define FIMC_DRIVER_NAME "exynos4-fimc" 39#define FIMC_MAX_DEVS 4 40#define FIMC_MAX_OUT_BUFS 4 41#define SCALER_MAX_HRATIO 64 42#define SCALER_MAX_VRATIO 64 43#define DMA_MIN_SIZE 8 44#define FIMC_CAMIF_MAX_HEIGHT 0x2000 45#define FIMC_MAX_JPEG_BUF_SIZE (10 * SZ_1M) 46#define FIMC_MAX_PLANES 3 47#define FIMC_PIX_LIMITS_MAX 4 48#define FIMC_DEF_MIN_SIZE 16 49#define FIMC_DEF_HEIGHT_ALIGN 2 50#define FIMC_DEF_HOR_OFFS_ALIGN 1 51#define FIMC_DEFAULT_WIDTH 640 52#define FIMC_DEFAULT_HEIGHT 480 53 54/* indices to the clocks array */ 55enum { 56 CLK_BUS, 57 CLK_GATE, 58}; 59 60enum fimc_dev_flags { 61 ST_LPM, 62 /* m2m node */ 63 ST_M2M_RUN, 64 ST_M2M_PEND, 65 ST_M2M_SUSPENDING, 66 ST_M2M_SUSPENDED, 67 /* capture node */ 68 ST_CAPT_PEND, 69 ST_CAPT_RUN, 70 ST_CAPT_STREAM, 71 ST_CAPT_ISP_STREAM, 72 ST_CAPT_SUSPENDED, 73 ST_CAPT_SHUT, 74 ST_CAPT_BUSY, 75 ST_CAPT_APPLY_CFG, 76 ST_CAPT_JPEG, 77}; 78 79#define fimc_m2m_active(dev) test_bit(ST_M2M_RUN, &(dev)->state) 80#define fimc_m2m_pending(dev) test_bit(ST_M2M_PEND, &(dev)->state) 81 82#define fimc_capture_running(dev) test_bit(ST_CAPT_RUN, &(dev)->state) 83#define fimc_capture_pending(dev) test_bit(ST_CAPT_PEND, &(dev)->state) 84#define fimc_capture_busy(dev) test_bit(ST_CAPT_BUSY, &(dev)->state) 85 86enum fimc_datapath { 87 FIMC_IO_NONE, 88 FIMC_IO_CAMERA, 89 FIMC_IO_DMA, 90 FIMC_IO_LCDFIFO, 91 FIMC_IO_WRITEBACK, 92 FIMC_IO_ISP, 93}; 94 95enum fimc_color_fmt { 96 FIMC_FMT_RGB444 = 0x10, 97 FIMC_FMT_RGB555, 98 FIMC_FMT_RGB565, 99 FIMC_FMT_RGB666, 100 FIMC_FMT_RGB888, 101 FIMC_FMT_RGB30_LOCAL, 102 FIMC_FMT_YCBCR420 = 0x20, 103 FIMC_FMT_YCBYCR422, 104 FIMC_FMT_YCRYCB422, 105 FIMC_FMT_CBYCRY422, 106 FIMC_FMT_CRYCBY422, 107 FIMC_FMT_YCBCR444_LOCAL, 108 FIMC_FMT_RAW8 = 0x40, 109 FIMC_FMT_RAW10, 110 FIMC_FMT_RAW12, 111 FIMC_FMT_JPEG = 0x80, 112 FIMC_FMT_YUYV_JPEG = 0x100, 113}; 114 115#define fimc_fmt_is_user_defined(x) (!!((x) & 0x180)) 116#define fimc_fmt_is_rgb(x) (!!((x) & 0x10)) 117 118#define IS_M2M(__strt) ((__strt) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE || \ 119 __strt == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 120 121/* The hardware context state. */ 122#define FIMC_PARAMS (1 << 0) 123#define FIMC_COMPOSE (1 << 1) 124#define FIMC_CTX_M2M (1 << 16) 125#define FIMC_CTX_CAP (1 << 17) 126#define FIMC_CTX_SHUT (1 << 18) 127 128/* Image conversion flags */ 129#define FIMC_IN_DMA_ACCESS_TILED (1 << 0) 130#define FIMC_IN_DMA_ACCESS_LINEAR (0 << 0) 131#define FIMC_OUT_DMA_ACCESS_TILED (1 << 1) 132#define FIMC_OUT_DMA_ACCESS_LINEAR (0 << 1) 133#define FIMC_SCAN_MODE_PROGRESSIVE (0 << 2) 134#define FIMC_SCAN_MODE_INTERLACED (1 << 2) 135/* 136 * YCbCr data dynamic range for RGB-YUV color conversion. 137 * Y/Cb/Cr: (0 ~ 255) */ 138#define FIMC_COLOR_RANGE_WIDE (0 << 3) 139/* Y (16 ~ 235), Cb/Cr (16 ~ 240) */ 140#define FIMC_COLOR_RANGE_NARROW (1 << 3) 141 142/** 143 * struct fimc_dma_offset - pixel offset information for DMA 144 * @y_h: y value horizontal offset 145 * @y_v: y value vertical offset 146 * @cb_h: cb value horizontal offset 147 * @cb_v: cb value vertical offset 148 * @cr_h: cr value horizontal offset 149 * @cr_v: cr value vertical offset 150 */ 151struct fimc_dma_offset { 152 int y_h; 153 int y_v; 154 int cb_h; 155 int cb_v; 156 int cr_h; 157 int cr_v; 158}; 159 160/** 161 * struct fimc_effect - color effect information 162 * @type: effect type 163 * @pat_cb: cr value when type is "arbitrary" 164 * @pat_cr: cr value when type is "arbitrary" 165 */ 166struct fimc_effect { 167 u32 type; 168 u8 pat_cb; 169 u8 pat_cr; 170}; 171 172/** 173 * struct fimc_scaler - the configuration data for FIMC inetrnal scaler 174 * @scaleup_h: flag indicating scaling up horizontally 175 * @scaleup_v: flag indicating scaling up vertically 176 * @copy_mode: flag indicating transparent DMA transfer (no scaling 177 * and color format conversion) 178 * @enabled: flag indicating if the scaler is used 179 * @hfactor: horizontal shift factor 180 * @vfactor: vertical shift factor 181 * @pre_hratio: horizontal ratio of the prescaler 182 * @pre_vratio: vertical ratio of the prescaler 183 * @pre_dst_width: the prescaler's destination width 184 * @pre_dst_height: the prescaler's destination height 185 * @main_hratio: the main scaler's horizontal ratio 186 * @main_vratio: the main scaler's vertical ratio 187 * @real_width: source pixel (width - offset) 188 * @real_height: source pixel (height - offset) 189 */ 190struct fimc_scaler { 191 unsigned int scaleup_h:1; 192 unsigned int scaleup_v:1; 193 unsigned int copy_mode:1; 194 unsigned int enabled:1; 195 u32 hfactor; 196 u32 vfactor; 197 u32 pre_hratio; 198 u32 pre_vratio; 199 u32 pre_dst_width; 200 u32 pre_dst_height; 201 u32 main_hratio; 202 u32 main_vratio; 203 u32 real_width; 204 u32 real_height; 205}; 206 207/** 208 * struct fimc_addr - the FIMC physical address set for DMA 209 * @y: luminance plane physical address 210 * @cb: Cb plane physical address 211 * @cr: Cr plane physical address 212 */ 213struct fimc_addr { 214 u32 y; 215 u32 cb; 216 u32 cr; 217}; 218 219/** 220 * struct fimc_vid_buffer - the driver's video buffer 221 * @vb: v4l videobuf buffer 222 * @list: linked list structure for buffer queue 223 * @paddr: precalculated physical address set 224 * @index: buffer index for the output DMA engine 225 */ 226struct fimc_vid_buffer { 227 struct vb2_buffer vb; 228 struct list_head list; 229 struct fimc_addr paddr; 230 int index; 231}; 232 233/** 234 * struct fimc_frame - source/target frame properties 235 * @f_width: image full width (virtual screen size) 236 * @f_height: image full height (virtual screen size) 237 * @o_width: original image width as set by S_FMT 238 * @o_height: original image height as set by S_FMT 239 * @offs_h: image horizontal pixel offset 240 * @offs_v: image vertical pixel offset 241 * @width: image pixel width 242 * @height: image pixel weight 243 * @payload: image size in bytes (w x h x bpp) 244 * @bytesperline: bytesperline value for each plane 245 * @paddr: image frame buffer physical addresses 246 * @dma_offset: DMA offset in bytes 247 * @fmt: fimc color format pointer 248 */ 249struct fimc_frame { 250 u32 f_width; 251 u32 f_height; 252 u32 o_width; 253 u32 o_height; 254 u32 offs_h; 255 u32 offs_v; 256 u32 width; 257 u32 height; 258 unsigned int payload[VIDEO_MAX_PLANES]; 259 unsigned int bytesperline[VIDEO_MAX_PLANES]; 260 struct fimc_addr paddr; 261 struct fimc_dma_offset dma_offset; 262 struct fimc_fmt *fmt; 263 u8 alpha; 264}; 265 266/** 267 * struct fimc_m2m_device - v4l2 memory-to-memory device data 268 * @vfd: the video device node for v4l2 m2m mode 269 * @m2m_dev: v4l2 memory-to-memory device data 270 * @ctx: hardware context data 271 * @refcnt: the reference counter 272 */ 273struct fimc_m2m_device { 274 struct video_device vfd; 275 struct v4l2_m2m_dev *m2m_dev; 276 struct fimc_ctx *ctx; 277 int refcnt; 278}; 279 280#define FIMC_SD_PAD_SINK_CAM 0 281#define FIMC_SD_PAD_SINK_FIFO 1 282#define FIMC_SD_PAD_SOURCE 2 283#define FIMC_SD_PADS_NUM 3 284 285/** 286 * struct fimc_vid_cap - camera capture device information 287 * @ctx: hardware context data 288 * @subdev: subdev exposing the FIMC processing block 289 * @ve: exynos video device entity structure 290 * @vd_pad: fimc video capture node pad 291 * @sd_pads: fimc video processing block pads 292 * @ci_fmt: image format at the FIMC camera input (and the scaler output) 293 * @wb_fmt: image format at the FIMC ISP Writeback input 294 * @source_config: external image source related configuration structure 295 * @pending_buf_q: the pending buffer queue head 296 * @active_buf_q: the queue head of buffers scheduled in hardware 297 * @vbq: the capture am video buffer queue 298 * @active_buf_cnt: number of video buffers scheduled in hardware 299 * @buf_index: index for managing the output DMA buffers 300 * @frame_count: the frame counter for statistics 301 * @reqbufs_count: the number of buffers requested in REQBUFS ioctl 302 * @input_index: input (camera sensor) index 303 * @input: capture input type, grp_id of the attached subdev 304 * @user_subdev_api: true if subdevs are not configured by the host driver 305 * @inh_sensor_ctrls: a flag indicating v4l2 controls are inherited from 306 * an image sensor subdev 307 */ 308struct fimc_vid_cap { 309 struct fimc_ctx *ctx; 310 struct vb2_alloc_ctx *alloc_ctx; 311 struct v4l2_subdev subdev; 312 struct exynos_video_entity ve; 313 struct media_pad vd_pad; 314 struct media_pad sd_pads[FIMC_SD_PADS_NUM]; 315 struct v4l2_mbus_framefmt ci_fmt; 316 struct v4l2_mbus_framefmt wb_fmt; 317 struct fimc_source_info source_config; 318 struct list_head pending_buf_q; 319 struct list_head active_buf_q; 320 struct vb2_queue vbq; 321 int active_buf_cnt; 322 int buf_index; 323 unsigned int frame_count; 324 unsigned int reqbufs_count; 325 bool streaming; 326 int input_index; 327 u32 input; 328 bool user_subdev_api; 329 bool inh_sensor_ctrls; 330}; 331 332/** 333 * struct fimc_pix_limit - image pixel size limits in various IP configurations 334 * 335 * @scaler_en_w: max input pixel width when the scaler is enabled 336 * @scaler_dis_w: max input pixel width when the scaler is disabled 337 * @in_rot_en_h: max input width with the input rotator is on 338 * @in_rot_dis_w: max input width with the input rotator is off 339 * @out_rot_en_w: max output width with the output rotator on 340 * @out_rot_dis_w: max output width with the output rotator off 341 */ 342struct fimc_pix_limit { 343 u16 scaler_en_w; 344 u16 scaler_dis_w; 345 u16 in_rot_en_h; 346 u16 in_rot_dis_w; 347 u16 out_rot_en_w; 348 u16 out_rot_dis_w; 349}; 350 351/** 352 * struct fimc_variant - FIMC device variant information 353 * @has_inp_rot: set if has input rotator 354 * @has_out_rot: set if has output rotator 355 * @has_mainscaler_ext: 1 if extended mainscaler ratios in CIEXTEN register 356 * are present in this IP revision 357 * @has_cam_if: set if this instance has a camera input interface 358 * @has_isp_wb: set if this instance has ISP writeback input 359 * @pix_limit: pixel size constraints for the scaler 360 * @min_inp_pixsize: minimum input pixel size 361 * @min_out_pixsize: minimum output pixel size 362 * @hor_offs_align: horizontal pixel offset aligment 363 * @min_vsize_align: minimum vertical pixel size alignment 364 */ 365struct fimc_variant { 366 unsigned int has_inp_rot:1; 367 unsigned int has_out_rot:1; 368 unsigned int has_mainscaler_ext:1; 369 unsigned int has_cam_if:1; 370 unsigned int has_isp_wb:1; 371 const struct fimc_pix_limit *pix_limit; 372 u16 min_inp_pixsize; 373 u16 min_out_pixsize; 374 u16 hor_offs_align; 375 u16 min_vsize_align; 376}; 377 378/** 379 * struct fimc_drvdata - per device type driver data 380 * @variant: variant information for this device 381 * @num_entities: number of fimc instances available in a SoC 382 * @lclk_frequency: local bus clock frequency 383 * @cistatus2: 1 if the FIMC IPs have CISTATUS2 register 384 * @dma_pix_hoff: the horizontal DMA offset unit: 1 - pixels, 0 - bytes 385 * @alpha_color: 1 if alpha color component is supported 386 * @out_buf_count: maximum number of output DMA buffers supported 387 */ 388struct fimc_drvdata { 389 const struct fimc_variant *variant[FIMC_MAX_DEVS]; 390 int num_entities; 391 unsigned long lclk_frequency; 392 /* Fields common to all FIMC IP instances */ 393 u8 cistatus2; 394 u8 dma_pix_hoff; 395 u8 alpha_color; 396 u8 out_buf_count; 397}; 398 399#define fimc_get_drvdata(_pdev) \ 400 ((struct fimc_drvdata *) platform_get_device_id(_pdev)->driver_data) 401 402struct fimc_ctx; 403 404/** 405 * struct fimc_dev - abstraction for FIMC entity 406 * @slock: the spinlock protecting this data structure 407 * @lock: the mutex protecting this data structure 408 * @pdev: pointer to the FIMC platform device 409 * @pdata: pointer to the device platform data 410 * @sysreg: pointer to the SYSREG regmap 411 * @variant: the IP variant information 412 * @id: FIMC device index (0..FIMC_MAX_DEVS) 413 * @clock: clocks required for FIMC operation 414 * @regs: the mapped hardware registers 415 * @irq_queue: interrupt handler waitqueue 416 * @v4l2_dev: root v4l2_device 417 * @m2m: memory-to-memory V4L2 device information 418 * @vid_cap: camera capture device information 419 * @state: flags used to synchronize m2m and capture mode operation 420 * @alloc_ctx: videobuf2 memory allocator context 421 * @pipeline: fimc video capture pipeline data structure 422 */ 423struct fimc_dev { 424 spinlock_t slock; 425 struct mutex lock; 426 struct platform_device *pdev; 427 struct s5p_platform_fimc *pdata; 428 struct regmap *sysreg; 429 const struct fimc_variant *variant; 430 const struct fimc_drvdata *drv_data; 431 int id; 432 struct clk *clock[MAX_FIMC_CLOCKS]; 433 void __iomem *regs; 434 wait_queue_head_t irq_queue; 435 struct v4l2_device *v4l2_dev; 436 struct fimc_m2m_device m2m; 437 struct fimc_vid_cap vid_cap; 438 unsigned long state; 439 struct vb2_alloc_ctx *alloc_ctx; 440}; 441 442/** 443 * struct fimc_ctrls - v4l2 controls structure 444 * @handler: the control handler 445 * @colorfx: image effect control 446 * @colorfx_cbcr: Cb/Cr coefficients control 447 * @rotate: image rotation control 448 * @hflip: horizontal flip control 449 * @vflip: vertical flip control 450 * @alpha: RGB alpha control 451 * @ready: true if @handler is initialized 452 */ 453struct fimc_ctrls { 454 struct v4l2_ctrl_handler handler; 455 struct { 456 struct v4l2_ctrl *colorfx; 457 struct v4l2_ctrl *colorfx_cbcr; 458 }; 459 struct v4l2_ctrl *rotate; 460 struct v4l2_ctrl *hflip; 461 struct v4l2_ctrl *vflip; 462 struct v4l2_ctrl *alpha; 463 bool ready; 464}; 465 466/** 467 * fimc_ctx - the device context data 468 * @s_frame: source frame properties 469 * @d_frame: destination frame properties 470 * @out_order_1p: output 1-plane YCBCR order 471 * @out_order_2p: output 2-plane YCBCR order 472 * @in_order_1p input 1-plane YCBCR order 473 * @in_order_2p: input 2-plane YCBCR order 474 * @in_path: input mode (DMA or camera) 475 * @out_path: output mode (DMA or FIFO) 476 * @scaler: image scaler properties 477 * @effect: image effect 478 * @rotation: image clockwise rotation in degrees 479 * @hflip: indicates image horizontal flip if set 480 * @vflip: indicates image vertical flip if set 481 * @flags: additional flags for image conversion 482 * @state: flags to keep track of user configuration 483 * @fimc_dev: the FIMC device this context applies to 484 * @fh: v4l2 file handle 485 * @ctrls: v4l2 controls structure 486 */ 487struct fimc_ctx { 488 struct fimc_frame s_frame; 489 struct fimc_frame d_frame; 490 u32 out_order_1p; 491 u32 out_order_2p; 492 u32 in_order_1p; 493 u32 in_order_2p; 494 enum fimc_datapath in_path; 495 enum fimc_datapath out_path; 496 struct fimc_scaler scaler; 497 struct fimc_effect effect; 498 int rotation; 499 unsigned int hflip:1; 500 unsigned int vflip:1; 501 u32 flags; 502 u32 state; 503 struct fimc_dev *fimc_dev; 504 struct v4l2_fh fh; 505 struct fimc_ctrls ctrls; 506}; 507 508#define fh_to_ctx(__fh) container_of(__fh, struct fimc_ctx, fh) 509 510static inline void set_frame_bounds(struct fimc_frame *f, u32 width, u32 height) 511{ 512 f->o_width = width; 513 f->o_height = height; 514 f->f_width = width; 515 f->f_height = height; 516} 517 518static inline void set_frame_crop(struct fimc_frame *f, 519 u32 left, u32 top, u32 width, u32 height) 520{ 521 f->offs_h = left; 522 f->offs_v = top; 523 f->width = width; 524 f->height = height; 525} 526 527static inline u32 fimc_get_format_depth(struct fimc_fmt *ff) 528{ 529 u32 i, depth = 0; 530 531 if (ff != NULL) 532 for (i = 0; i < ff->colplanes; i++) 533 depth += ff->depth[i]; 534 return depth; 535} 536 537static inline bool fimc_capture_active(struct fimc_dev *fimc) 538{ 539 unsigned long flags; 540 bool ret; 541 542 spin_lock_irqsave(&fimc->slock, flags); 543 ret = !!(fimc->state & (1 << ST_CAPT_RUN) || 544 fimc->state & (1 << ST_CAPT_PEND)); 545 spin_unlock_irqrestore(&fimc->slock, flags); 546 return ret; 547} 548 549static inline void fimc_ctx_state_set(u32 state, struct fimc_ctx *ctx) 550{ 551 unsigned long flags; 552 553 spin_lock_irqsave(&ctx->fimc_dev->slock, flags); 554 ctx->state |= state; 555 spin_unlock_irqrestore(&ctx->fimc_dev->slock, flags); 556} 557 558static inline bool fimc_ctx_state_is_set(u32 mask, struct fimc_ctx *ctx) 559{ 560 unsigned long flags; 561 bool ret; 562 563 spin_lock_irqsave(&ctx->fimc_dev->slock, flags); 564 ret = (ctx->state & mask) == mask; 565 spin_unlock_irqrestore(&ctx->fimc_dev->slock, flags); 566 return ret; 567} 568 569static inline int tiled_fmt(struct fimc_fmt *fmt) 570{ 571 return fmt->fourcc == V4L2_PIX_FMT_NV12MT; 572} 573 574static inline bool fimc_jpeg_fourcc(u32 pixelformat) 575{ 576 return (pixelformat == V4L2_PIX_FMT_JPEG || 577 pixelformat == V4L2_PIX_FMT_S5C_UYVY_JPG); 578} 579 580static inline bool fimc_user_defined_mbus_fmt(u32 code) 581{ 582 return (code == MEDIA_BUS_FMT_JPEG_1X8 || 583 code == MEDIA_BUS_FMT_S5C_UYVY_JPEG_1X8); 584} 585 586/* Return the alpha component bit mask */ 587static inline int fimc_get_alpha_mask(struct fimc_fmt *fmt) 588{ 589 switch (fmt->color) { 590 case FIMC_FMT_RGB444: return 0x0f; 591 case FIMC_FMT_RGB555: return 0x01; 592 case FIMC_FMT_RGB888: return 0xff; 593 default: return 0; 594 }; 595} 596 597static inline struct fimc_frame *ctx_get_frame(struct fimc_ctx *ctx, 598 enum v4l2_buf_type type) 599{ 600 struct fimc_frame *frame; 601 602 if (V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE == type) { 603 if (fimc_ctx_state_is_set(FIMC_CTX_M2M, ctx)) 604 frame = &ctx->s_frame; 605 else 606 return ERR_PTR(-EINVAL); 607 } else if (V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE == type) { 608 frame = &ctx->d_frame; 609 } else { 610 v4l2_err(ctx->fimc_dev->v4l2_dev, 611 "Wrong buffer/video queue type (%d)\n", type); 612 return ERR_PTR(-EINVAL); 613 } 614 615 return frame; 616} 617 618/* -----------------------------------------------------*/ 619/* fimc-core.c */ 620int fimc_vidioc_enum_fmt_mplane(struct file *file, void *priv, 621 struct v4l2_fmtdesc *f); 622int fimc_ctrls_create(struct fimc_ctx *ctx); 623void fimc_ctrls_delete(struct fimc_ctx *ctx); 624void fimc_ctrls_activate(struct fimc_ctx *ctx, bool active); 625void fimc_alpha_ctrl_update(struct fimc_ctx *ctx); 626void __fimc_get_format(struct fimc_frame *frame, struct v4l2_format *f); 627void fimc_adjust_mplane_format(struct fimc_fmt *fmt, u32 width, u32 height, 628 struct v4l2_pix_format_mplane *pix); 629struct fimc_fmt *fimc_find_format(const u32 *pixelformat, const u32 *mbus_code, 630 unsigned int mask, int index); 631struct fimc_fmt *fimc_get_format(unsigned int index); 632 633int fimc_check_scaler_ratio(struct fimc_ctx *ctx, int sw, int sh, 634 int dw, int dh, int rotation); 635int fimc_set_scaler_info(struct fimc_ctx *ctx); 636int fimc_prepare_config(struct fimc_ctx *ctx, u32 flags); 637int fimc_prepare_addr(struct fimc_ctx *ctx, struct vb2_buffer *vb, 638 struct fimc_frame *frame, struct fimc_addr *paddr); 639void fimc_prepare_dma_offset(struct fimc_ctx *ctx, struct fimc_frame *f); 640void fimc_set_yuv_order(struct fimc_ctx *ctx); 641void fimc_capture_irq_handler(struct fimc_dev *fimc, int deq_buf); 642 643int fimc_register_m2m_device(struct fimc_dev *fimc, 644 struct v4l2_device *v4l2_dev); 645void fimc_unregister_m2m_device(struct fimc_dev *fimc); 646int fimc_register_driver(void); 647void fimc_unregister_driver(void); 648 649#ifdef CONFIG_MFD_SYSCON 650static inline struct regmap * fimc_get_sysreg_regmap(struct device_node *node) 651{ 652 return syscon_regmap_lookup_by_phandle(node, "samsung,sysreg"); 653} 654#else 655#define fimc_get_sysreg_regmap(node) (NULL) 656#endif 657 658/* -----------------------------------------------------*/ 659/* fimc-m2m.c */ 660void fimc_m2m_job_finish(struct fimc_ctx *ctx, int vb_state); 661 662/* -----------------------------------------------------*/ 663/* fimc-capture.c */ 664int fimc_initialize_capture_subdev(struct fimc_dev *fimc); 665void fimc_unregister_capture_subdev(struct fimc_dev *fimc); 666int fimc_capture_ctrls_create(struct fimc_dev *fimc); 667void fimc_sensor_notify(struct v4l2_subdev *sd, unsigned int notification, 668 void *arg); 669int fimc_capture_suspend(struct fimc_dev *fimc); 670int fimc_capture_resume(struct fimc_dev *fimc); 671 672/* 673 * Buffer list manipulation functions. Must be called with fimc.slock held. 674 */ 675 676/** 677 * fimc_active_queue_add - add buffer to the capture active buffers queue 678 * @buf: buffer to add to the active buffers list 679 */ 680static inline void fimc_active_queue_add(struct fimc_vid_cap *vid_cap, 681 struct fimc_vid_buffer *buf) 682{ 683 list_add_tail(&buf->list, &vid_cap->active_buf_q); 684 vid_cap->active_buf_cnt++; 685} 686 687/** 688 * fimc_active_queue_pop - pop buffer from the capture active buffers queue 689 * 690 * The caller must assure the active_buf_q list is not empty. 691 */ 692static inline struct fimc_vid_buffer *fimc_active_queue_pop( 693 struct fimc_vid_cap *vid_cap) 694{ 695 struct fimc_vid_buffer *buf; 696 buf = list_entry(vid_cap->active_buf_q.next, 697 struct fimc_vid_buffer, list); 698 list_del(&buf->list); 699 vid_cap->active_buf_cnt--; 700 return buf; 701} 702 703/** 704 * fimc_pending_queue_add - add buffer to the capture pending buffers queue 705 * @buf: buffer to add to the pending buffers list 706 */ 707static inline void fimc_pending_queue_add(struct fimc_vid_cap *vid_cap, 708 struct fimc_vid_buffer *buf) 709{ 710 list_add_tail(&buf->list, &vid_cap->pending_buf_q); 711} 712 713/** 714 * fimc_pending_queue_pop - pop buffer from the capture pending buffers queue 715 * 716 * The caller must assure the pending_buf_q list is not empty. 717 */ 718static inline struct fimc_vid_buffer *fimc_pending_queue_pop( 719 struct fimc_vid_cap *vid_cap) 720{ 721 struct fimc_vid_buffer *buf; 722 buf = list_entry(vid_cap->pending_buf_q.next, 723 struct fimc_vid_buffer, list); 724 list_del(&buf->list); 725 return buf; 726} 727 728#endif /* FIMC_CORE_H_ */ 729