| /* |
| * Copyright (C) 2010 - 2011 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 err(fmt, args...) \ |
| printk(KERN_ERR "%s:%d: " fmt "\n", __func__, __LINE__, ##args) |
| |
| #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_DST_CROP (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; |
| }; |
| |
| /** |
| * 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 |
| * @ctrl_handler: v4l2 controls handler |
| * @ctrl_rotate image rotation control |
| * @ctrl_hflip horizontal flip control |
| * @ctrl_vflip vertical flip control |
| * @ctrl_alpha RGB alpha control |
| * @ctrls_rdy: true if the control handler is initialized |
| */ |
| 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 v4l2_ctrl_handler ctrl_handler; |
| struct v4l2_ctrl *ctrl_rotate; |
| struct v4l2_ctrl *ctrl_hflip; |
| struct v4l2_ctrl *ctrl_vflip; |
| struct v4l2_ctrl *ctrl_alpha; |
| bool ctrls_rdy; |
| }; |
| |
| #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_ */ |