1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (C) 2010 - 2012 Samsung Electronics Co., Ltd. 4 */ 5 6 #ifndef FIMC_CORE_H_ 7 #define FIMC_CORE_H_ 8 9 /*#define DEBUG*/ 10 11 #include <linux/platform_device.h> 12 #include <linux/regmap.h> 13 #include <linux/sched.h> 14 #include <linux/spinlock.h> 15 #include <linux/mfd/syscon.h> 16 #include <linux/types.h> 17 #include <linux/videodev2.h> 18 #include <linux/io.h> 19 #include <linux/sizes.h> 20 21 #include <media/media-entity.h> 22 #include <media/videobuf2-v4l2.h> 23 #include <media/v4l2-ctrls.h> 24 #include <media/v4l2-device.h> 25 #include <media/v4l2-mem2mem.h> 26 #include <media/v4l2-mediabus.h> 27 #include <media/drv-intf/exynos-fimc.h> 28 29 #define dbg(fmt, args...) \ 30 pr_debug("%s:%d: " fmt "\n", __func__, __LINE__, ##args) 31 32 /* Time to wait for next frame VSYNC interrupt while stopping operation. */ 33 #define FIMC_SHUTDOWN_TIMEOUT ((100*HZ)/1000) 34 #define MAX_FIMC_CLOCKS 2 35 #define FIMC_DRIVER_NAME "exynos4-fimc" 36 #define FIMC_MAX_DEVS 4 37 #define FIMC_MAX_OUT_BUFS 4 38 #define SCALER_MAX_HRATIO 64 39 #define SCALER_MAX_VRATIO 64 40 #define DMA_MIN_SIZE 8 41 #define FIMC_CAMIF_MAX_HEIGHT 0x2000 42 #define FIMC_MAX_JPEG_BUF_SIZE (10 * SZ_1M) 43 #define FIMC_MAX_PLANES 3 44 #define FIMC_PIX_LIMITS_MAX 4 45 #define FIMC_DEF_MIN_SIZE 16 46 #define FIMC_DEF_HEIGHT_ALIGN 2 47 #define FIMC_DEF_HOR_OFFS_ALIGN 1 48 #define FIMC_DEFAULT_WIDTH 640 49 #define FIMC_DEFAULT_HEIGHT 480 50 51 /* indices to the clocks array */ 52 enum { 53 CLK_BUS, 54 CLK_GATE, 55 }; 56 57 enum fimc_dev_flags { 58 ST_LPM, 59 /* m2m node */ 60 ST_M2M_RUN, 61 ST_M2M_PEND, 62 ST_M2M_SUSPENDING, 63 ST_M2M_SUSPENDED, 64 /* capture node */ 65 ST_CAPT_PEND, 66 ST_CAPT_RUN, 67 ST_CAPT_STREAM, 68 ST_CAPT_ISP_STREAM, 69 ST_CAPT_SUSPENDED, 70 ST_CAPT_SHUT, 71 ST_CAPT_BUSY, 72 ST_CAPT_APPLY_CFG, 73 ST_CAPT_JPEG, 74 }; 75 76 #define fimc_m2m_active(dev) test_bit(ST_M2M_RUN, &(dev)->state) 77 #define fimc_m2m_pending(dev) test_bit(ST_M2M_PEND, &(dev)->state) 78 79 #define fimc_capture_running(dev) test_bit(ST_CAPT_RUN, &(dev)->state) 80 #define fimc_capture_pending(dev) test_bit(ST_CAPT_PEND, &(dev)->state) 81 #define fimc_capture_busy(dev) test_bit(ST_CAPT_BUSY, &(dev)->state) 82 83 enum fimc_datapath { 84 FIMC_IO_NONE, 85 FIMC_IO_CAMERA, 86 FIMC_IO_DMA, 87 FIMC_IO_LCDFIFO, 88 FIMC_IO_WRITEBACK, 89 FIMC_IO_ISP, 90 }; 91 92 enum fimc_color_fmt { 93 FIMC_FMT_RGB444 = 0x10, 94 FIMC_FMT_RGB555, 95 FIMC_FMT_RGB565, 96 FIMC_FMT_RGB666, 97 FIMC_FMT_RGB888, 98 FIMC_FMT_RGB30_LOCAL, 99 FIMC_FMT_YCBCR420 = 0x20, 100 FIMC_FMT_YCBYCR422, 101 FIMC_FMT_YCRYCB422, 102 FIMC_FMT_CBYCRY422, 103 FIMC_FMT_CRYCBY422, 104 FIMC_FMT_YCBCR444_LOCAL, 105 FIMC_FMT_RAW8 = 0x40, 106 FIMC_FMT_RAW10, 107 FIMC_FMT_RAW12, 108 FIMC_FMT_JPEG = 0x80, 109 FIMC_FMT_YUYV_JPEG = 0x100, 110 }; 111 112 #define fimc_fmt_is_user_defined(x) (!!((x) & 0x180)) 113 #define fimc_fmt_is_rgb(x) (!!((x) & 0x10)) 114 115 #define IS_M2M(__strt) ((__strt) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE || \ 116 __strt == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 117 118 /* The hardware context state. */ 119 #define FIMC_PARAMS (1 << 0) 120 #define FIMC_COMPOSE (1 << 1) 121 #define FIMC_CTX_M2M (1 << 16) 122 #define FIMC_CTX_CAP (1 << 17) 123 #define FIMC_CTX_SHUT (1 << 18) 124 125 /* Image conversion flags */ 126 #define FIMC_IN_DMA_ACCESS_TILED (1 << 0) 127 #define FIMC_IN_DMA_ACCESS_LINEAR (0 << 0) 128 #define FIMC_OUT_DMA_ACCESS_TILED (1 << 1) 129 #define FIMC_OUT_DMA_ACCESS_LINEAR (0 << 1) 130 #define FIMC_SCAN_MODE_PROGRESSIVE (0 << 2) 131 #define FIMC_SCAN_MODE_INTERLACED (1 << 2) 132 /* 133 * YCbCr data dynamic range for RGB-YUV color conversion. 134 * Y/Cb/Cr: (0 ~ 255) */ 135 #define FIMC_COLOR_RANGE_WIDE (0 << 3) 136 /* Y (16 ~ 235), Cb/Cr (16 ~ 240) */ 137 #define FIMC_COLOR_RANGE_NARROW (1 << 3) 138 139 /** 140 * struct fimc_dma_offset - pixel offset information for DMA 141 * @y_h: y value horizontal offset 142 * @y_v: y value vertical offset 143 * @cb_h: cb value horizontal offset 144 * @cb_v: cb value vertical offset 145 * @cr_h: cr value horizontal offset 146 * @cr_v: cr value vertical offset 147 */ 148 struct fimc_dma_offset { 149 int y_h; 150 int y_v; 151 int cb_h; 152 int cb_v; 153 int cr_h; 154 int cr_v; 155 }; 156 157 /** 158 * struct fimc_effect - color effect information 159 * @type: effect type 160 * @pat_cb: cr value when type is "arbitrary" 161 * @pat_cr: cr value when type is "arbitrary" 162 */ 163 struct fimc_effect { 164 u32 type; 165 u8 pat_cb; 166 u8 pat_cr; 167 }; 168 169 /** 170 * struct fimc_scaler - the configuration data for FIMC inetrnal scaler 171 * @scaleup_h: flag indicating scaling up horizontally 172 * @scaleup_v: flag indicating scaling up vertically 173 * @copy_mode: flag indicating transparent DMA transfer (no scaling 174 * and color format conversion) 175 * @enabled: flag indicating if the scaler is used 176 * @hfactor: horizontal shift factor 177 * @vfactor: vertical shift factor 178 * @pre_hratio: horizontal ratio of the prescaler 179 * @pre_vratio: vertical ratio of the prescaler 180 * @pre_dst_width: the prescaler's destination width 181 * @pre_dst_height: the prescaler's destination height 182 * @main_hratio: the main scaler's horizontal ratio 183 * @main_vratio: the main scaler's vertical ratio 184 * @real_width: source pixel (width - offset) 185 * @real_height: source pixel (height - offset) 186 */ 187 struct fimc_scaler { 188 unsigned int scaleup_h:1; 189 unsigned int scaleup_v:1; 190 unsigned int copy_mode:1; 191 unsigned int enabled:1; 192 u32 hfactor; 193 u32 vfactor; 194 u32 pre_hratio; 195 u32 pre_vratio; 196 u32 pre_dst_width; 197 u32 pre_dst_height; 198 u32 main_hratio; 199 u32 main_vratio; 200 u32 real_width; 201 u32 real_height; 202 }; 203 204 /** 205 * struct fimc_addr - the FIMC address set for DMA 206 * @y: luminance plane address 207 * @cb: Cb plane address 208 * @cr: Cr plane address 209 */ 210 struct fimc_addr { 211 u32 y; 212 u32 cb; 213 u32 cr; 214 }; 215 216 /** 217 * struct fimc_vid_buffer - the driver's video buffer 218 * @vb: v4l vb2 buffer 219 * @list: linked list structure for buffer queue 220 * @addr: precalculated DMA address set 221 * @index: buffer index for the output DMA engine 222 */ 223 struct fimc_vid_buffer { 224 struct vb2_v4l2_buffer vb; 225 struct list_head list; 226 struct fimc_addr addr; 227 int index; 228 }; 229 230 /** 231 * struct fimc_frame - source/target frame properties 232 * @f_width: image full width (virtual screen size) 233 * @f_height: image full height (virtual screen size) 234 * @o_width: original image width as set by S_FMT 235 * @o_height: original image height as set by S_FMT 236 * @offs_h: image horizontal pixel offset 237 * @offs_v: image vertical pixel offset 238 * @width: image pixel width 239 * @height: image pixel weight 240 * @payload: image size in bytes (w x h x bpp) 241 * @bytesperline: bytesperline value for each plane 242 * @addr: image frame buffer DMA addresses 243 * @dma_offset: DMA offset in bytes 244 * @fmt: fimc color format pointer 245 * @alpha: alpha value 246 */ 247 struct fimc_frame { 248 u32 f_width; 249 u32 f_height; 250 u32 o_width; 251 u32 o_height; 252 u32 offs_h; 253 u32 offs_v; 254 u32 width; 255 u32 height; 256 unsigned int payload[VIDEO_MAX_PLANES]; 257 unsigned int bytesperline[VIDEO_MAX_PLANES]; 258 struct fimc_addr addr; 259 struct fimc_dma_offset dma_offset; 260 const struct fimc_fmt *fmt; 261 u8 alpha; 262 }; 263 264 /** 265 * struct fimc_m2m_device - v4l2 memory-to-memory device data 266 * @vfd: the video device node for v4l2 m2m mode 267 * @m2m_dev: v4l2 memory-to-memory device data 268 * @ctx: hardware context data 269 * @refcnt: the reference counter 270 */ 271 struct fimc_m2m_device { 272 struct video_device vfd; 273 struct v4l2_m2m_dev *m2m_dev; 274 struct fimc_ctx *ctx; 275 int refcnt; 276 }; 277 278 #define FIMC_SD_PAD_SINK_CAM 0 279 #define FIMC_SD_PAD_SINK_FIFO 1 280 #define FIMC_SD_PAD_SOURCE 2 281 #define FIMC_SD_PADS_NUM 3 282 283 /** 284 * struct fimc_vid_cap - camera capture device information 285 * @ctx: hardware context data 286 * @subdev: subdev exposing the FIMC processing block 287 * @ve: exynos video device entity structure 288 * @vd_pad: fimc video capture node pad 289 * @sd_pads: fimc video processing block pads 290 * @ci_fmt: image format at the FIMC camera input (and the scaler output) 291 * @wb_fmt: image format at the FIMC ISP Writeback input 292 * @source_config: external image source related configuration structure 293 * @pending_buf_q: the pending buffer queue head 294 * @active_buf_q: the queue head of buffers scheduled in hardware 295 * @vbq: the capture am video buffer queue 296 * @active_buf_cnt: number of video buffers scheduled in hardware 297 * @buf_index: index for managing the output DMA buffers 298 * @frame_count: the frame counter for statistics 299 * @reqbufs_count: the number of buffers requested in REQBUFS ioctl 300 * @streaming: is streaming in progress? 301 * @input: capture input type, grp_id of the attached subdev 302 * @user_subdev_api: true if subdevs are not configured by the host driver 303 */ 304 struct fimc_vid_cap { 305 struct fimc_ctx *ctx; 306 struct v4l2_subdev subdev; 307 struct exynos_video_entity ve; 308 struct media_pad vd_pad; 309 struct media_pad sd_pads[FIMC_SD_PADS_NUM]; 310 struct v4l2_mbus_framefmt ci_fmt; 311 struct v4l2_mbus_framefmt wb_fmt; 312 struct fimc_source_info source_config; 313 struct list_head pending_buf_q; 314 struct list_head active_buf_q; 315 struct vb2_queue vbq; 316 int active_buf_cnt; 317 int buf_index; 318 unsigned int frame_count; 319 unsigned int reqbufs_count; 320 bool streaming; 321 u32 input; 322 bool user_subdev_api; 323 }; 324 325 /** 326 * struct fimc_pix_limit - image pixel size limits in various IP configurations 327 * 328 * @scaler_en_w: max input pixel width when the scaler is enabled 329 * @scaler_dis_w: max input pixel width when the scaler is disabled 330 * @in_rot_en_h: max input width with the input rotator is on 331 * @in_rot_dis_w: max input width with the input rotator is off 332 * @out_rot_en_w: max output width with the output rotator on 333 * @out_rot_dis_w: max output width with the output rotator off 334 */ 335 struct fimc_pix_limit { 336 u16 scaler_en_w; 337 u16 scaler_dis_w; 338 u16 in_rot_en_h; 339 u16 in_rot_dis_w; 340 u16 out_rot_en_w; 341 u16 out_rot_dis_w; 342 }; 343 344 /** 345 * struct fimc_variant - FIMC device variant information 346 * @has_inp_rot: set if has input rotator 347 * @has_out_rot: set if has output rotator 348 * @has_mainscaler_ext: 1 if extended mainscaler ratios in CIEXTEN register 349 * are present in this IP revision 350 * @has_cam_if: set if this instance has a camera input interface 351 * @has_isp_wb: set if this instance has ISP writeback input 352 * @pix_limit: pixel size constraints for the scaler 353 * @min_inp_pixsize: minimum input pixel size 354 * @min_out_pixsize: minimum output pixel size 355 * @hor_offs_align: horizontal pixel offset alignment 356 * @min_vsize_align: minimum vertical pixel size alignment 357 */ 358 struct fimc_variant { 359 unsigned int has_inp_rot:1; 360 unsigned int has_out_rot:1; 361 unsigned int has_mainscaler_ext:1; 362 unsigned int has_cam_if:1; 363 unsigned int has_isp_wb:1; 364 const struct fimc_pix_limit *pix_limit; 365 u16 min_inp_pixsize; 366 u16 min_out_pixsize; 367 u16 hor_offs_align; 368 u16 min_vsize_align; 369 }; 370 371 /** 372 * struct fimc_drvdata - per device type driver data 373 * @variant: variant information for this device 374 * @num_entities: number of fimc instances available in a SoC 375 * @lclk_frequency: local bus clock frequency 376 * @cistatus2: 1 if the FIMC IPs have CISTATUS2 register 377 * @dma_pix_hoff: the horizontal DMA offset unit: 1 - pixels, 0 - bytes 378 * @alpha_color: 1 if alpha color component is supported 379 * @out_buf_count: maximum number of output DMA buffers supported 380 */ 381 struct fimc_drvdata { 382 const struct fimc_variant *variant[FIMC_MAX_DEVS]; 383 int num_entities; 384 unsigned long lclk_frequency; 385 /* Fields common to all FIMC IP instances */ 386 u8 cistatus2; 387 u8 dma_pix_hoff; 388 u8 alpha_color; 389 u8 out_buf_count; 390 }; 391 392 #define fimc_get_drvdata(_pdev) \ 393 ((struct fimc_drvdata *) platform_get_device_id(_pdev)->driver_data) 394 395 struct fimc_ctx; 396 397 /** 398 * struct fimc_dev - abstraction for FIMC entity 399 * @slock: the spinlock protecting this data structure 400 * @lock: the mutex protecting this data structure 401 * @pdev: pointer to the FIMC platform device 402 * @pdata: pointer to the device platform data 403 * @sysreg: pointer to the SYSREG regmap 404 * @variant: the IP variant information 405 * @drv_data: driver data 406 * @id: FIMC device index (0..FIMC_MAX_DEVS) 407 * @clock: clocks required for FIMC operation 408 * @regs: the mapped hardware registers 409 * @irq_queue: interrupt handler waitqueue 410 * @v4l2_dev: root v4l2_device 411 * @m2m: memory-to-memory V4L2 device information 412 * @vid_cap: camera capture device information 413 * @state: flags used to synchronize m2m and capture mode operation 414 */ 415 struct fimc_dev { 416 spinlock_t slock; 417 struct mutex lock; 418 struct platform_device *pdev; 419 struct s5p_platform_fimc *pdata; 420 struct regmap *sysreg; 421 const struct fimc_variant *variant; 422 const struct fimc_drvdata *drv_data; 423 int id; 424 struct clk *clock[MAX_FIMC_CLOCKS]; 425 void __iomem *regs; 426 wait_queue_head_t irq_queue; 427 struct v4l2_device *v4l2_dev; 428 struct fimc_m2m_device m2m; 429 struct fimc_vid_cap vid_cap; 430 unsigned long state; 431 }; 432 433 /** 434 * struct fimc_ctrls - v4l2 controls structure 435 * @handler: the control handler 436 * @colorfx: image effect control 437 * @colorfx_cbcr: Cb/Cr coefficients control 438 * @rotate: image rotation control 439 * @hflip: horizontal flip control 440 * @vflip: vertical flip control 441 * @alpha: RGB alpha control 442 * @ready: true if @handler is initialized 443 */ 444 struct fimc_ctrls { 445 struct v4l2_ctrl_handler handler; 446 struct { 447 struct v4l2_ctrl *colorfx; 448 struct v4l2_ctrl *colorfx_cbcr; 449 }; 450 struct v4l2_ctrl *rotate; 451 struct v4l2_ctrl *hflip; 452 struct v4l2_ctrl *vflip; 453 struct v4l2_ctrl *alpha; 454 bool ready; 455 }; 456 457 /** 458 * struct fimc_ctx - the device context data 459 * @s_frame: source frame properties 460 * @d_frame: destination frame properties 461 * @out_order_1p: output 1-plane YCBCR order 462 * @out_order_2p: output 2-plane YCBCR order 463 * @in_order_1p: input 1-plane YCBCR order 464 * @in_order_2p: input 2-plane YCBCR order 465 * @in_path: input mode (DMA or camera) 466 * @out_path: output mode (DMA or FIFO) 467 * @scaler: image scaler properties 468 * @effect: image effect 469 * @rotation: image clockwise rotation in degrees 470 * @hflip: indicates image horizontal flip if set 471 * @vflip: indicates image vertical flip if set 472 * @flags: additional flags for image conversion 473 * @state: flags to keep track of user configuration 474 * @fimc_dev: the FIMC device this context applies to 475 * @fh: v4l2 file handle 476 * @ctrls: v4l2 controls structure 477 */ 478 struct fimc_ctx { 479 struct fimc_frame s_frame; 480 struct fimc_frame d_frame; 481 u32 out_order_1p; 482 u32 out_order_2p; 483 u32 in_order_1p; 484 u32 in_order_2p; 485 enum fimc_datapath in_path; 486 enum fimc_datapath out_path; 487 struct fimc_scaler scaler; 488 struct fimc_effect effect; 489 int rotation; 490 unsigned int hflip:1; 491 unsigned int vflip:1; 492 u32 flags; 493 u32 state; 494 struct fimc_dev *fimc_dev; 495 struct v4l2_fh fh; 496 struct fimc_ctrls ctrls; 497 }; 498 499 #define fh_to_ctx(__fh) container_of(__fh, struct fimc_ctx, fh) 500 501 static inline void set_frame_bounds(struct fimc_frame *f, u32 width, u32 height) 502 { 503 f->o_width = width; 504 f->o_height = height; 505 f->f_width = width; 506 f->f_height = height; 507 } 508 509 static inline void set_frame_crop(struct fimc_frame *f, 510 u32 left, u32 top, u32 width, u32 height) 511 { 512 f->offs_h = left; 513 f->offs_v = top; 514 f->width = width; 515 f->height = height; 516 } 517 518 static inline u32 fimc_get_format_depth(const struct fimc_fmt *ff) 519 { 520 u32 i, depth = 0; 521 522 if (ff != NULL) 523 for (i = 0; i < ff->colplanes; i++) 524 depth += ff->depth[i]; 525 return depth; 526 } 527 528 static inline bool fimc_capture_active(struct fimc_dev *fimc) 529 { 530 unsigned long flags; 531 bool ret; 532 533 spin_lock_irqsave(&fimc->slock, flags); 534 ret = !!(fimc->state & (1 << ST_CAPT_RUN) || 535 fimc->state & (1 << ST_CAPT_PEND)); 536 spin_unlock_irqrestore(&fimc->slock, flags); 537 return ret; 538 } 539 540 static inline void fimc_ctx_state_set(u32 state, struct fimc_ctx *ctx) 541 { 542 unsigned long flags; 543 544 spin_lock_irqsave(&ctx->fimc_dev->slock, flags); 545 ctx->state |= state; 546 spin_unlock_irqrestore(&ctx->fimc_dev->slock, flags); 547 } 548 549 static inline bool fimc_ctx_state_is_set(u32 mask, struct fimc_ctx *ctx) 550 { 551 unsigned long flags; 552 bool ret; 553 554 spin_lock_irqsave(&ctx->fimc_dev->slock, flags); 555 ret = (ctx->state & mask) == mask; 556 spin_unlock_irqrestore(&ctx->fimc_dev->slock, flags); 557 return ret; 558 } 559 560 static inline int tiled_fmt(const struct fimc_fmt *fmt) 561 { 562 return fmt->fourcc == V4L2_PIX_FMT_NV12MT; 563 } 564 565 static inline bool fimc_jpeg_fourcc(u32 pixelformat) 566 { 567 return (pixelformat == V4L2_PIX_FMT_JPEG || 568 pixelformat == V4L2_PIX_FMT_S5C_UYVY_JPG); 569 } 570 571 static inline bool fimc_user_defined_mbus_fmt(u32 code) 572 { 573 return (code == MEDIA_BUS_FMT_JPEG_1X8 || 574 code == MEDIA_BUS_FMT_S5C_UYVY_JPEG_1X8); 575 } 576 577 /* Return the alpha component bit mask */ 578 static inline int fimc_get_alpha_mask(const struct fimc_fmt *fmt) 579 { 580 switch (fmt->color) { 581 case FIMC_FMT_RGB444: return 0x0f; 582 case FIMC_FMT_RGB555: return 0x01; 583 case FIMC_FMT_RGB888: return 0xff; 584 default: return 0; 585 }; 586 } 587 588 static inline struct fimc_frame *ctx_get_frame(struct fimc_ctx *ctx, 589 enum v4l2_buf_type type) 590 { 591 struct fimc_frame *frame; 592 593 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE || 594 type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { 595 if (fimc_ctx_state_is_set(FIMC_CTX_M2M, ctx)) 596 frame = &ctx->s_frame; 597 else 598 return ERR_PTR(-EINVAL); 599 } else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE || 600 type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { 601 frame = &ctx->d_frame; 602 } else { 603 v4l2_err(ctx->fimc_dev->v4l2_dev, 604 "Wrong buffer/video queue type (%d)\n", type); 605 return ERR_PTR(-EINVAL); 606 } 607 608 return frame; 609 } 610 611 /* -----------------------------------------------------*/ 612 /* fimc-core.c */ 613 int fimc_ctrls_create(struct fimc_ctx *ctx); 614 void fimc_ctrls_delete(struct fimc_ctx *ctx); 615 void fimc_ctrls_activate(struct fimc_ctx *ctx, bool active); 616 void fimc_alpha_ctrl_update(struct fimc_ctx *ctx); 617 void __fimc_get_format(const struct fimc_frame *frame, struct v4l2_format *f); 618 void fimc_adjust_mplane_format(const struct fimc_fmt *fmt, u32 width, u32 height, 619 struct v4l2_pix_format_mplane *pix); 620 const struct fimc_fmt *fimc_find_format(const u32 *pixelformat, 621 const u32 *mbus_code, 622 unsigned int mask, int index); 623 const struct fimc_fmt *fimc_get_format(unsigned int index); 624 625 int fimc_check_scaler_ratio(struct fimc_ctx *ctx, int sw, int sh, 626 int dw, int dh, int rotation); 627 int fimc_set_scaler_info(struct fimc_ctx *ctx); 628 int fimc_prepare_config(struct fimc_ctx *ctx, u32 flags); 629 int fimc_prepare_addr(struct fimc_ctx *ctx, struct vb2_buffer *vb, 630 const struct fimc_frame *frame, struct fimc_addr *addr); 631 void fimc_prepare_dma_offset(struct fimc_ctx *ctx, struct fimc_frame *f); 632 void fimc_set_yuv_order(struct fimc_ctx *ctx); 633 void fimc_capture_irq_handler(struct fimc_dev *fimc, int deq_buf); 634 635 int fimc_register_m2m_device(struct fimc_dev *fimc, 636 struct v4l2_device *v4l2_dev); 637 void fimc_unregister_m2m_device(struct fimc_dev *fimc); 638 int fimc_register_driver(void); 639 void fimc_unregister_driver(void); 640 641 #ifdef CONFIG_MFD_SYSCON 642 static inline struct regmap * fimc_get_sysreg_regmap(struct device_node *node) 643 { 644 return syscon_regmap_lookup_by_phandle(node, "samsung,sysreg"); 645 } 646 #else 647 #define fimc_get_sysreg_regmap(node) (NULL) 648 #endif 649 650 /* -----------------------------------------------------*/ 651 /* fimc-m2m.c */ 652 void fimc_m2m_job_finish(struct fimc_ctx *ctx, int vb_state); 653 654 /* -----------------------------------------------------*/ 655 /* fimc-capture.c */ 656 int fimc_initialize_capture_subdev(struct fimc_dev *fimc); 657 void fimc_unregister_capture_subdev(struct fimc_dev *fimc); 658 int fimc_capture_ctrls_create(struct fimc_dev *fimc); 659 void fimc_sensor_notify(struct v4l2_subdev *sd, unsigned int notification, 660 void *arg); 661 int fimc_capture_suspend(struct fimc_dev *fimc); 662 int fimc_capture_resume(struct fimc_dev *fimc); 663 664 /* 665 * Buffer list manipulation functions. Must be called with fimc.slock held. 666 */ 667 668 /** 669 * fimc_active_queue_add - add buffer to the capture active buffers queue 670 * @vid_cap: camera capture device information 671 * @buf: buffer to add to the active buffers list 672 */ 673 static inline void fimc_active_queue_add(struct fimc_vid_cap *vid_cap, 674 struct fimc_vid_buffer *buf) 675 { 676 list_add_tail(&buf->list, &vid_cap->active_buf_q); 677 vid_cap->active_buf_cnt++; 678 } 679 680 /** 681 * fimc_active_queue_pop - pop buffer from the capture active buffers queue 682 * @vid_cap: camera capture device information 683 * 684 * The caller must assure the active_buf_q list is not empty. 685 */ 686 static inline struct fimc_vid_buffer *fimc_active_queue_pop( 687 struct fimc_vid_cap *vid_cap) 688 { 689 struct fimc_vid_buffer *buf; 690 buf = list_entry(vid_cap->active_buf_q.next, 691 struct fimc_vid_buffer, list); 692 list_del(&buf->list); 693 vid_cap->active_buf_cnt--; 694 return buf; 695 } 696 697 /** 698 * fimc_pending_queue_add - add buffer to the capture pending buffers queue 699 * @vid_cap: camera capture device information 700 * @buf: buffer to add to the pending buffers list 701 */ 702 static inline void fimc_pending_queue_add(struct fimc_vid_cap *vid_cap, 703 struct fimc_vid_buffer *buf) 704 { 705 list_add_tail(&buf->list, &vid_cap->pending_buf_q); 706 } 707 708 /** 709 * fimc_pending_queue_pop - pop buffer from the capture pending buffers queue 710 * @vid_cap: camera capture device information 711 * 712 * The caller must assure the pending_buf_q list is not empty. 713 */ 714 static inline struct fimc_vid_buffer *fimc_pending_queue_pop( 715 struct fimc_vid_cap *vid_cap) 716 { 717 struct fimc_vid_buffer *buf; 718 buf = list_entry(vid_cap->pending_buf_q.next, 719 struct fimc_vid_buffer, list); 720 list_del(&buf->list); 721 return buf; 722 } 723 724 #endif /* FIMC_CORE_H_ */ 725