diff options
Diffstat (limited to 'drivers/media/video/s5p-fimc/fimc-core.h')
-rw-r--r-- | drivers/media/video/s5p-fimc/fimc-core.h | 713 |
1 files changed, 0 insertions, 713 deletions
diff --git a/drivers/media/video/s5p-fimc/fimc-core.h b/drivers/media/video/s5p-fimc/fimc-core.h deleted file mode 100644 index 808ccc6..0000000 --- a/drivers/media/video/s5p-fimc/fimc-core.h +++ /dev/null @@ -1,713 +0,0 @@ -/* - * Copyright (C) 2010 - 2012 Samsung Electronics Co., Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef FIMC_CORE_H_ -#define FIMC_CORE_H_ - -/*#define DEBUG*/ - -#include <linux/platform_device.h> -#include <linux/sched.h> -#include <linux/spinlock.h> -#include <linux/types.h> -#include <linux/videodev2.h> -#include <linux/io.h> -#include <asm/sizes.h> - -#include <media/media-entity.h> -#include <media/videobuf2-core.h> -#include <media/v4l2-ctrls.h> -#include <media/v4l2-device.h> -#include <media/v4l2-mem2mem.h> -#include <media/v4l2-mediabus.h> -#include <media/s5p_fimc.h> - -#define dbg(fmt, args...) \ - pr_debug("%s:%d: " fmt "\n", __func__, __LINE__, ##args) - -/* Time to wait for next frame VSYNC interrupt while stopping operation. */ -#define FIMC_SHUTDOWN_TIMEOUT ((100*HZ)/1000) -#define MAX_FIMC_CLOCKS 2 -#define FIMC_MODULE_NAME "s5p-fimc" -#define FIMC_MAX_DEVS 4 -#define FIMC_MAX_OUT_BUFS 4 -#define SCALER_MAX_HRATIO 64 -#define SCALER_MAX_VRATIO 64 -#define DMA_MIN_SIZE 8 -#define FIMC_CAMIF_MAX_HEIGHT 0x2000 - -/* indices to the clocks array */ -enum { - CLK_BUS, - CLK_GATE, -}; - -enum fimc_dev_flags { - ST_LPM, - /* m2m node */ - ST_M2M_RUN, - ST_M2M_PEND, - ST_M2M_SUSPENDING, - ST_M2M_SUSPENDED, - /* capture node */ - ST_CAPT_PEND, - ST_CAPT_RUN, - ST_CAPT_STREAM, - ST_CAPT_ISP_STREAM, - ST_CAPT_SUSPENDED, - ST_CAPT_SHUT, - ST_CAPT_BUSY, - ST_CAPT_APPLY_CFG, - ST_CAPT_JPEG, -}; - -#define fimc_m2m_active(dev) test_bit(ST_M2M_RUN, &(dev)->state) -#define fimc_m2m_pending(dev) test_bit(ST_M2M_PEND, &(dev)->state) - -#define fimc_capture_running(dev) test_bit(ST_CAPT_RUN, &(dev)->state) -#define fimc_capture_pending(dev) test_bit(ST_CAPT_PEND, &(dev)->state) -#define fimc_capture_busy(dev) test_bit(ST_CAPT_BUSY, &(dev)->state) - -enum fimc_datapath { - FIMC_IO_NONE, - FIMC_IO_CAMERA, - FIMC_IO_DMA, - FIMC_IO_LCDFIFO, - FIMC_IO_WRITEBACK, - FIMC_IO_ISP, -}; - -enum fimc_color_fmt { - FIMC_FMT_RGB444 = 0x10, - FIMC_FMT_RGB555, - FIMC_FMT_RGB565, - FIMC_FMT_RGB666, - FIMC_FMT_RGB888, - FIMC_FMT_RGB30_LOCAL, - FIMC_FMT_YCBCR420 = 0x20, - FIMC_FMT_YCBYCR422, - FIMC_FMT_YCRYCB422, - FIMC_FMT_CBYCRY422, - FIMC_FMT_CRYCBY422, - FIMC_FMT_YCBCR444_LOCAL, - FIMC_FMT_JPEG = 0x40, - FIMC_FMT_RAW8 = 0x80, - FIMC_FMT_RAW10, - FIMC_FMT_RAW12, -}; - -#define fimc_fmt_is_rgb(x) (!!((x) & 0x10)) -#define fimc_fmt_is_jpeg(x) (!!((x) & 0x40)) - -#define IS_M2M(__strt) ((__strt) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE || \ - __strt == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) - -/* The hardware context state. */ -#define FIMC_PARAMS (1 << 0) -#define FIMC_SRC_FMT (1 << 3) -#define FIMC_DST_FMT (1 << 4) -#define FIMC_COMPOSE (1 << 5) -#define FIMC_CTX_M2M (1 << 16) -#define FIMC_CTX_CAP (1 << 17) -#define FIMC_CTX_SHUT (1 << 18) - -/* Image conversion flags */ -#define FIMC_IN_DMA_ACCESS_TILED (1 << 0) -#define FIMC_IN_DMA_ACCESS_LINEAR (0 << 0) -#define FIMC_OUT_DMA_ACCESS_TILED (1 << 1) -#define FIMC_OUT_DMA_ACCESS_LINEAR (0 << 1) -#define FIMC_SCAN_MODE_PROGRESSIVE (0 << 2) -#define FIMC_SCAN_MODE_INTERLACED (1 << 2) -/* - * YCbCr data dynamic range for RGB-YUV color conversion. - * Y/Cb/Cr: (0 ~ 255) */ -#define FIMC_COLOR_RANGE_WIDE (0 << 3) -/* Y (16 ~ 235), Cb/Cr (16 ~ 240) */ -#define FIMC_COLOR_RANGE_NARROW (1 << 3) - -/** - * struct fimc_fmt - the driver's internal color format data - * @mbus_code: Media Bus pixel code, -1 if not applicable - * @name: format description - * @fourcc: the fourcc code for this format, 0 if not applicable - * @color: the corresponding fimc_color_fmt - * @memplanes: number of physically non-contiguous data planes - * @colplanes: number of physically contiguous data planes - * @depth: per plane driver's private 'number of bits per pixel' - * @flags: flags indicating which operation mode format applies to - */ -struct fimc_fmt { - enum v4l2_mbus_pixelcode mbus_code; - char *name; - u32 fourcc; - u32 color; - u16 memplanes; - u16 colplanes; - u8 depth[VIDEO_MAX_PLANES]; - u16 flags; -#define FMT_FLAGS_CAM (1 << 0) -#define FMT_FLAGS_M2M_IN (1 << 1) -#define FMT_FLAGS_M2M_OUT (1 << 2) -#define FMT_FLAGS_M2M (1 << 1 | 1 << 2) -#define FMT_HAS_ALPHA (1 << 3) -}; - -/** - * struct fimc_dma_offset - pixel offset information for DMA - * @y_h: y value horizontal offset - * @y_v: y value vertical offset - * @cb_h: cb value horizontal offset - * @cb_v: cb value vertical offset - * @cr_h: cr value horizontal offset - * @cr_v: cr value vertical offset - */ -struct fimc_dma_offset { - int y_h; - int y_v; - int cb_h; - int cb_v; - int cr_h; - int cr_v; -}; - -/** - * struct fimc_effect - color effect information - * @type: effect type - * @pat_cb: cr value when type is "arbitrary" - * @pat_cr: cr value when type is "arbitrary" - */ -struct fimc_effect { - u32 type; - u8 pat_cb; - u8 pat_cr; -}; - -/** - * struct fimc_scaler - the configuration data for FIMC inetrnal scaler - * @scaleup_h: flag indicating scaling up horizontally - * @scaleup_v: flag indicating scaling up vertically - * @copy_mode: flag indicating transparent DMA transfer (no scaling - * and color format conversion) - * @enabled: flag indicating if the scaler is used - * @hfactor: horizontal shift factor - * @vfactor: vertical shift factor - * @pre_hratio: horizontal ratio of the prescaler - * @pre_vratio: vertical ratio of the prescaler - * @pre_dst_width: the prescaler's destination width - * @pre_dst_height: the prescaler's destination height - * @main_hratio: the main scaler's horizontal ratio - * @main_vratio: the main scaler's vertical ratio - * @real_width: source pixel (width - offset) - * @real_height: source pixel (height - offset) - */ -struct fimc_scaler { - unsigned int scaleup_h:1; - unsigned int scaleup_v:1; - unsigned int copy_mode:1; - unsigned int enabled:1; - u32 hfactor; - u32 vfactor; - u32 pre_hratio; - u32 pre_vratio; - u32 pre_dst_width; - u32 pre_dst_height; - u32 main_hratio; - u32 main_vratio; - u32 real_width; - u32 real_height; -}; - -/** - * struct fimc_addr - the FIMC physical address set for DMA - * @y: luminance plane physical address - * @cb: Cb plane physical address - * @cr: Cr plane physical address - */ -struct fimc_addr { - u32 y; - u32 cb; - u32 cr; -}; - -/** - * struct fimc_vid_buffer - the driver's video buffer - * @vb: v4l videobuf buffer - * @list: linked list structure for buffer queue - * @paddr: precalculated physical address set - * @index: buffer index for the output DMA engine - */ -struct fimc_vid_buffer { - struct vb2_buffer vb; - struct list_head list; - struct fimc_addr paddr; - int index; -}; - -/** - * struct fimc_frame - source/target frame properties - * @f_width: image full width (virtual screen size) - * @f_height: image full height (virtual screen size) - * @o_width: original image width as set by S_FMT - * @o_height: original image height as set by S_FMT - * @offs_h: image horizontal pixel offset - * @offs_v: image vertical pixel offset - * @width: image pixel width - * @height: image pixel weight - * @payload: image size in bytes (w x h x bpp) - * @paddr: image frame buffer physical addresses - * @dma_offset: DMA offset in bytes - * @fmt: fimc color format pointer - */ -struct fimc_frame { - u32 f_width; - u32 f_height; - u32 o_width; - u32 o_height; - u32 offs_h; - u32 offs_v; - u32 width; - u32 height; - unsigned long payload[VIDEO_MAX_PLANES]; - struct fimc_addr paddr; - struct fimc_dma_offset dma_offset; - struct fimc_fmt *fmt; - u8 alpha; -}; - -/** - * struct fimc_m2m_device - v4l2 memory-to-memory device data - * @vfd: the video device node for v4l2 m2m mode - * @m2m_dev: v4l2 memory-to-memory device data - * @ctx: hardware context data - * @refcnt: the reference counter - */ -struct fimc_m2m_device { - struct video_device *vfd; - struct v4l2_m2m_dev *m2m_dev; - struct fimc_ctx *ctx; - int refcnt; -}; - -#define FIMC_SD_PAD_SINK 0 -#define FIMC_SD_PAD_SOURCE 1 -#define FIMC_SD_PADS_NUM 2 - -/** - * struct fimc_vid_cap - camera capture device information - * @ctx: hardware context data - * @vfd: video device node for camera capture mode - * @subdev: subdev exposing the FIMC processing block - * @vd_pad: fimc video capture node pad - * @sd_pads: fimc video processing block pads - * @mf: media bus format at the FIMC camera input (and the scaler output) pad - * @pending_buf_q: the pending buffer queue head - * @active_buf_q: the queue head of buffers scheduled in hardware - * @vbq: the capture am video buffer queue - * @active_buf_cnt: number of video buffers scheduled in hardware - * @buf_index: index for managing the output DMA buffers - * @frame_count: the frame counter for statistics - * @reqbufs_count: the number of buffers requested in REQBUFS ioctl - * @input_index: input (camera sensor) index - * @refcnt: driver's private reference counter - * @input: capture input type, grp_id of the attached subdev - * @user_subdev_api: true if subdevs are not configured by the host driver - */ -struct fimc_vid_cap { - struct fimc_ctx *ctx; - struct vb2_alloc_ctx *alloc_ctx; - struct video_device *vfd; - struct v4l2_subdev subdev; - struct media_pad vd_pad; - struct v4l2_mbus_framefmt mf; - struct media_pad sd_pads[FIMC_SD_PADS_NUM]; - struct list_head pending_buf_q; - struct list_head active_buf_q; - struct vb2_queue vbq; - int active_buf_cnt; - int buf_index; - unsigned int frame_count; - unsigned int reqbufs_count; - int input_index; - int refcnt; - u32 input; - bool user_subdev_api; -}; - -/** - * struct fimc_pix_limit - image pixel size limits in various IP configurations - * - * @scaler_en_w: max input pixel width when the scaler is enabled - * @scaler_dis_w: max input pixel width when the scaler is disabled - * @in_rot_en_h: max input width with the input rotator is on - * @in_rot_dis_w: max input width with the input rotator is off - * @out_rot_en_w: max output width with the output rotator on - * @out_rot_dis_w: max output width with the output rotator off - */ -struct fimc_pix_limit { - u16 scaler_en_w; - u16 scaler_dis_w; - u16 in_rot_en_h; - u16 in_rot_dis_w; - u16 out_rot_en_w; - u16 out_rot_dis_w; -}; - -/** - * struct fimc_variant - FIMC device variant information - * @pix_hoff: indicate whether horizontal offset is in pixels or in bytes - * @has_inp_rot: set if has input rotator - * @has_out_rot: set if has output rotator - * @has_cistatus2: 1 if CISTATUS2 register is present in this IP revision - * @has_mainscaler_ext: 1 if extended mainscaler ratios in CIEXTEN register - * are present in this IP revision - * @has_cam_if: set if this instance has a camera input interface - * @pix_limit: pixel size constraints for the scaler - * @min_inp_pixsize: minimum input pixel size - * @min_out_pixsize: minimum output pixel size - * @hor_offs_align: horizontal pixel offset aligment - * @min_vsize_align: minimum vertical pixel size alignment - * @out_buf_count: the number of buffers in output DMA sequence - */ -struct fimc_variant { - unsigned int pix_hoff:1; - unsigned int has_inp_rot:1; - unsigned int has_out_rot:1; - unsigned int has_cistatus2:1; - unsigned int has_mainscaler_ext:1; - unsigned int has_cam_if:1; - unsigned int has_alpha:1; - struct fimc_pix_limit *pix_limit; - u16 min_inp_pixsize; - u16 min_out_pixsize; - u16 hor_offs_align; - u16 min_vsize_align; - u16 out_buf_count; -}; - -/** - * struct fimc_drvdata - per device type driver data - * @variant: variant information for this device - * @num_entities: number of fimc instances available in a SoC - * @lclk_frequency: local bus clock frequency - */ -struct fimc_drvdata { - struct fimc_variant *variant[FIMC_MAX_DEVS]; - int num_entities; - unsigned long lclk_frequency; -}; - -#define fimc_get_drvdata(_pdev) \ - ((struct fimc_drvdata *) platform_get_device_id(_pdev)->driver_data) - -struct fimc_ctx; - -/** - * struct fimc_dev - abstraction for FIMC entity - * @slock: the spinlock protecting this data structure - * @lock: the mutex protecting this data structure - * @pdev: pointer to the FIMC platform device - * @pdata: pointer to the device platform data - * @variant: the IP variant information - * @id: FIMC device index (0..FIMC_MAX_DEVS) - * @clock: clocks required for FIMC operation - * @regs: the mapped hardware registers - * @irq_queue: interrupt handler waitqueue - * @v4l2_dev: root v4l2_device - * @m2m: memory-to-memory V4L2 device information - * @vid_cap: camera capture device information - * @state: flags used to synchronize m2m and capture mode operation - * @alloc_ctx: videobuf2 memory allocator context - * @pipeline: fimc video capture pipeline data structure - */ -struct fimc_dev { - spinlock_t slock; - struct mutex lock; - struct platform_device *pdev; - struct s5p_platform_fimc *pdata; - struct fimc_variant *variant; - u16 id; - struct clk *clock[MAX_FIMC_CLOCKS]; - void __iomem *regs; - wait_queue_head_t irq_queue; - struct v4l2_device *v4l2_dev; - struct fimc_m2m_device m2m; - struct fimc_vid_cap vid_cap; - unsigned long state; - struct vb2_alloc_ctx *alloc_ctx; - struct fimc_pipeline pipeline; -}; - -/** - * struct fimc_ctrls - v4l2 controls structure - * @handler: the control handler - * @colorfx: image effect control - * @colorfx_cbcr: Cb/Cr coefficients control - * @rotate: image rotation control - * @hflip: horizontal flip control - * @vflip: vertical flip control - * @alpha: RGB alpha control - * @ready: true if @handler is initialized - */ -struct fimc_ctrls { - struct v4l2_ctrl_handler handler; - struct { - struct v4l2_ctrl *colorfx; - struct v4l2_ctrl *colorfx_cbcr; - }; - struct v4l2_ctrl *rotate; - struct v4l2_ctrl *hflip; - struct v4l2_ctrl *vflip; - struct v4l2_ctrl *alpha; - bool ready; -}; - -/** - * fimc_ctx - the device context data - * @s_frame: source frame properties - * @d_frame: destination frame properties - * @out_order_1p: output 1-plane YCBCR order - * @out_order_2p: output 2-plane YCBCR order - * @in_order_1p input 1-plane YCBCR order - * @in_order_2p: input 2-plane YCBCR order - * @in_path: input mode (DMA or camera) - * @out_path: output mode (DMA or FIFO) - * @scaler: image scaler properties - * @effect: image effect - * @rotation: image clockwise rotation in degrees - * @hflip: indicates image horizontal flip if set - * @vflip: indicates image vertical flip if set - * @flags: additional flags for image conversion - * @state: flags to keep track of user configuration - * @fimc_dev: the FIMC device this context applies to - * @m2m_ctx: memory-to-memory device context - * @fh: v4l2 file handle - * @ctrls: v4l2 controls structure - */ -struct fimc_ctx { - struct fimc_frame s_frame; - struct fimc_frame d_frame; - u32 out_order_1p; - u32 out_order_2p; - u32 in_order_1p; - u32 in_order_2p; - enum fimc_datapath in_path; - enum fimc_datapath out_path; - struct fimc_scaler scaler; - struct fimc_effect effect; - int rotation; - unsigned int hflip:1; - unsigned int vflip:1; - u32 flags; - u32 state; - struct fimc_dev *fimc_dev; - struct v4l2_m2m_ctx *m2m_ctx; - struct v4l2_fh fh; - struct fimc_ctrls ctrls; -}; - -#define fh_to_ctx(__fh) container_of(__fh, struct fimc_ctx, fh) - -static inline void set_frame_bounds(struct fimc_frame *f, u32 width, u32 height) -{ - f->o_width = width; - f->o_height = height; - f->f_width = width; - f->f_height = height; -} - -static inline void set_frame_crop(struct fimc_frame *f, - u32 left, u32 top, u32 width, u32 height) -{ - f->offs_h = left; - f->offs_v = top; - f->width = width; - f->height = height; -} - -static inline u32 fimc_get_format_depth(struct fimc_fmt *ff) -{ - u32 i, depth = 0; - - if (ff != NULL) - for (i = 0; i < ff->colplanes; i++) - depth += ff->depth[i]; - return depth; -} - -static inline bool fimc_capture_active(struct fimc_dev *fimc) -{ - unsigned long flags; - bool ret; - - spin_lock_irqsave(&fimc->slock, flags); - ret = !!(fimc->state & (1 << ST_CAPT_RUN) || - fimc->state & (1 << ST_CAPT_PEND)); - spin_unlock_irqrestore(&fimc->slock, flags); - return ret; -} - -static inline void fimc_ctx_state_set(u32 state, struct fimc_ctx *ctx) -{ - unsigned long flags; - - spin_lock_irqsave(&ctx->fimc_dev->slock, flags); - ctx->state |= state; - spin_unlock_irqrestore(&ctx->fimc_dev->slock, flags); -} - -static inline bool fimc_ctx_state_is_set(u32 mask, struct fimc_ctx *ctx) -{ - unsigned long flags; - bool ret; - - spin_lock_irqsave(&ctx->fimc_dev->slock, flags); - ret = (ctx->state & mask) == mask; - spin_unlock_irqrestore(&ctx->fimc_dev->slock, flags); - return ret; -} - -static inline int tiled_fmt(struct fimc_fmt *fmt) -{ - return fmt->fourcc == V4L2_PIX_FMT_NV12MT; -} - -/* Return the alpha component bit mask */ -static inline int fimc_get_alpha_mask(struct fimc_fmt *fmt) -{ - switch (fmt->color) { - case FIMC_FMT_RGB444: return 0x0f; - case FIMC_FMT_RGB555: return 0x01; - case FIMC_FMT_RGB888: return 0xff; - default: return 0; - }; -} - -static inline struct fimc_frame *ctx_get_frame(struct fimc_ctx *ctx, - enum v4l2_buf_type type) -{ - struct fimc_frame *frame; - - if (V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE == type) { - if (fimc_ctx_state_is_set(FIMC_CTX_M2M, ctx)) - frame = &ctx->s_frame; - else - return ERR_PTR(-EINVAL); - } else if (V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE == type) { - frame = &ctx->d_frame; - } else { - v4l2_err(ctx->fimc_dev->v4l2_dev, - "Wrong buffer/video queue type (%d)\n", type); - return ERR_PTR(-EINVAL); - } - - return frame; -} - -/* -----------------------------------------------------*/ -/* fimc-core.c */ -int fimc_vidioc_enum_fmt_mplane(struct file *file, void *priv, - struct v4l2_fmtdesc *f); -int fimc_ctrls_create(struct fimc_ctx *ctx); -void fimc_ctrls_delete(struct fimc_ctx *ctx); -void fimc_ctrls_activate(struct fimc_ctx *ctx, bool active); -void fimc_alpha_ctrl_update(struct fimc_ctx *ctx); -int fimc_fill_format(struct fimc_frame *frame, struct v4l2_format *f); -void fimc_adjust_mplane_format(struct fimc_fmt *fmt, u32 width, u32 height, - struct v4l2_pix_format_mplane *pix); -struct fimc_fmt *fimc_find_format(const u32 *pixelformat, const u32 *mbus_code, - unsigned int mask, int index); -struct fimc_fmt *fimc_get_format(unsigned int index); - -int fimc_check_scaler_ratio(struct fimc_ctx *ctx, int sw, int sh, - int dw, int dh, int rotation); -int fimc_set_scaler_info(struct fimc_ctx *ctx); -int fimc_prepare_config(struct fimc_ctx *ctx, u32 flags); -int fimc_prepare_addr(struct fimc_ctx *ctx, struct vb2_buffer *vb, - struct fimc_frame *frame, struct fimc_addr *paddr); -void fimc_prepare_dma_offset(struct fimc_ctx *ctx, struct fimc_frame *f); -void fimc_set_yuv_order(struct fimc_ctx *ctx); -void fimc_fill_frame(struct fimc_frame *frame, struct v4l2_format *f); -void fimc_capture_irq_handler(struct fimc_dev *fimc, int deq_buf); - -int fimc_register_m2m_device(struct fimc_dev *fimc, - struct v4l2_device *v4l2_dev); -void fimc_unregister_m2m_device(struct fimc_dev *fimc); -int fimc_register_driver(void); -void fimc_unregister_driver(void); - -/* -----------------------------------------------------*/ -/* fimc-m2m.c */ -void fimc_m2m_job_finish(struct fimc_ctx *ctx, int vb_state); - -/* -----------------------------------------------------*/ -/* fimc-capture.c */ -int fimc_initialize_capture_subdev(struct fimc_dev *fimc); -void fimc_unregister_capture_subdev(struct fimc_dev *fimc); -int fimc_capture_ctrls_create(struct fimc_dev *fimc); -void fimc_sensor_notify(struct v4l2_subdev *sd, unsigned int notification, - void *arg); -int fimc_capture_suspend(struct fimc_dev *fimc); -int fimc_capture_resume(struct fimc_dev *fimc); - -/* - * Buffer list manipulation functions. Must be called with fimc.slock held. - */ - -/** - * fimc_active_queue_add - add buffer to the capture active buffers queue - * @buf: buffer to add to the active buffers list - */ -static inline void fimc_active_queue_add(struct fimc_vid_cap *vid_cap, - struct fimc_vid_buffer *buf) -{ - list_add_tail(&buf->list, &vid_cap->active_buf_q); - vid_cap->active_buf_cnt++; -} - -/** - * fimc_active_queue_pop - pop buffer from the capture active buffers queue - * - * The caller must assure the active_buf_q list is not empty. - */ -static inline struct fimc_vid_buffer *fimc_active_queue_pop( - struct fimc_vid_cap *vid_cap) -{ - struct fimc_vid_buffer *buf; - buf = list_entry(vid_cap->active_buf_q.next, - struct fimc_vid_buffer, list); - list_del(&buf->list); - vid_cap->active_buf_cnt--; - return buf; -} - -/** - * fimc_pending_queue_add - add buffer to the capture pending buffers queue - * @buf: buffer to add to the pending buffers list - */ -static inline void fimc_pending_queue_add(struct fimc_vid_cap *vid_cap, - struct fimc_vid_buffer *buf) -{ - list_add_tail(&buf->list, &vid_cap->pending_buf_q); -} - -/** - * fimc_pending_queue_pop - pop buffer from the capture pending buffers queue - * - * The caller must assure the pending_buf_q list is not empty. - */ -static inline struct fimc_vid_buffer *fimc_pending_queue_pop( - struct fimc_vid_cap *vid_cap) -{ - struct fimc_vid_buffer *buf; - buf = list_entry(vid_cap->pending_buf_q.next, - struct fimc_vid_buffer, list); - list_del(&buf->list); - return buf; -} - -#endif /* FIMC_CORE_H_ */ |