diff options
author | Mauro Carvalho Chehab <mchehab@kernel.org> | 2022-03-13 11:18:16 +0100 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2022-03-18 05:56:52 +0100 |
commit | c1024049033f923b80ec80f4c1857d6dbcdf5bc8 (patch) | |
tree | 85b0bc12be0f3a5b7b243284a355bdf351d09973 /drivers/media/platform/s3c-camif/camif-core.h | |
parent | 3bae07d4b44cf10bbffc6270e00816dda57e6e70 (diff) |
media: platform: rename s3c-camif/ to samsung/s3c-camif/
As the end goal is to have platform drivers split by vendor,
rename s3c-camif/ to samsung/s3c-camif/.
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/media/platform/s3c-camif/camif-core.h')
-rw-r--r-- | drivers/media/platform/s3c-camif/camif-core.h | 397 |
1 files changed, 0 insertions, 397 deletions
diff --git a/drivers/media/platform/s3c-camif/camif-core.h b/drivers/media/platform/s3c-camif/camif-core.h deleted file mode 100644 index f3442e251bc9..000000000000 --- a/drivers/media/platform/s3c-camif/camif-core.h +++ /dev/null @@ -1,397 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * s3c24xx/s3c64xx SoC series Camera Interface (CAMIF) driver - * - * Copyright (C) 2012 Sylwester Nawrocki <sylvester.nawrocki@gmail.com> - * Copyright (C) 2012 Tomasz Figa <tomasz.figa@gmail.com> -*/ - -#ifndef CAMIF_CORE_H_ -#define CAMIF_CORE_H_ - -#include <linux/io.h> -#include <linux/irq.h> -#include <linux/platform_device.h> -#include <linux/sched.h> -#include <linux/spinlock.h> -#include <linux/types.h> -#include <linux/videodev2.h> - -#include <media/media-entity.h> -#include <media/v4l2-ctrls.h> -#include <media/v4l2-dev.h> -#include <media/v4l2-device.h> -#include <media/v4l2-mediabus.h> -#include <media/videobuf2-v4l2.h> -#include <media/drv-intf/s3c_camif.h> - -#define S3C_CAMIF_DRIVER_NAME "s3c-camif" -#define CAMIF_REQ_BUFS_MIN 3 -#define CAMIF_MAX_OUT_BUFS 4 -#define CAMIF_MAX_PIX_WIDTH 4096 -#define CAMIF_MAX_PIX_HEIGHT 4096 -#define SCALER_MAX_RATIO 64 -#define CAMIF_DEF_WIDTH 640 -#define CAMIF_DEF_HEIGHT 480 -#define CAMIF_STOP_TIMEOUT 1500 /* ms */ - -#define S3C244X_CAMIF_IP_REV 0x20 /* 2.0 */ -#define S3C2450_CAMIF_IP_REV 0x30 /* 3.0 - not implemented, not tested */ -#define S3C6400_CAMIF_IP_REV 0x31 /* 3.1 - not implemented, not tested */ -#define S3C6410_CAMIF_IP_REV 0x32 /* 3.2 */ - -/* struct camif_vp::state */ - -#define ST_VP_PENDING (1 << 0) -#define ST_VP_RUNNING (1 << 1) -#define ST_VP_STREAMING (1 << 2) -#define ST_VP_SENSOR_STREAMING (1 << 3) - -#define ST_VP_ABORTING (1 << 4) -#define ST_VP_OFF (1 << 5) -#define ST_VP_LASTIRQ (1 << 6) - -#define ST_VP_CONFIG (1 << 8) - -#define CAMIF_SD_PAD_SINK 0 -#define CAMIF_SD_PAD_SOURCE_C 1 -#define CAMIF_SD_PAD_SOURCE_P 2 -#define CAMIF_SD_PADS_NUM 3 - -enum img_fmt { - IMG_FMT_RGB565 = 0x0010, - IMG_FMT_RGB666, - IMG_FMT_XRGB8888, - IMG_FMT_YCBCR420 = 0x0020, - IMG_FMT_YCRCB420, - IMG_FMT_YCBCR422P, - IMG_FMT_YCBYCR422 = 0x0040, - IMG_FMT_YCRYCB422, - IMG_FMT_CBYCRY422, - IMG_FMT_CRYCBY422, -}; - -#define img_fmt_is_rgb(x) ((x) & 0x10) -#define img_fmt_is_ycbcr(x) ((x) & 0x60) - -/* Possible values for struct camif_fmt::flags */ -#define FMT_FL_S3C24XX_CODEC (1 << 0) -#define FMT_FL_S3C24XX_PREVIEW (1 << 1) -#define FMT_FL_S3C64XX (1 << 2) - -/** - * struct camif_fmt - pixel format description - * @fourcc: fourcc code for this format, 0 if not applicable - * @color: a corresponding enum img_fmt - * @colplanes: number of physically contiguous data planes - * @flags: indicate for which SoCs revisions this format is valid - * @depth: bits per pixel (total) - * @ybpp: number of luminance bytes per pixel - */ -struct camif_fmt { - u32 fourcc; - u32 color; - u16 colplanes; - u16 flags; - u8 depth; - u8 ybpp; -}; - -/** - * struct camif_dma_offset - pixel offset information for DMA - * @initial: offset (in pixels) to first pixel - * @line: offset (in pixels) from end of line to start of next line - */ -struct camif_dma_offset { - int initial; - int line; -}; - -/** - * struct camif_frame - source/target frame properties - * @f_width: full pixel width - * @f_height: full pixel height - * @rect: crop/composition rectangle - * @dma_offset: DMA offset configuration - */ -struct camif_frame { - u16 f_width; - u16 f_height; - struct v4l2_rect rect; - struct camif_dma_offset dma_offset; -}; - -/* CAMIF clocks enumeration */ -enum { - CLK_GATE, - CLK_CAM, - CLK_MAX_NUM, -}; - -struct vp_pix_limits { - u16 max_out_width; - u16 max_sc_out_width; - u16 out_width_align; - u16 max_height; - u8 min_out_width; - u16 out_hor_offset_align; -}; - -struct camif_pix_limits { - u16 win_hor_offset_align; -}; - -/** - * struct s3c_camif_variant - CAMIF variant structure - * @vp_pix_limits: pixel limits for the codec and preview paths - * @pix_limits: pixel limits for the camera input interface - * @ip_revision: the CAMIF IP revision: 0x20 for s3c244x, 0x32 for s3c6410 - * @has_img_effect: supports image effects - * @vp_offset: register offset - */ -struct s3c_camif_variant { - struct vp_pix_limits vp_pix_limits[2]; - struct camif_pix_limits pix_limits; - u8 ip_revision; - u8 has_img_effect; - unsigned int vp_offset; -}; - -struct s3c_camif_drvdata { - const struct s3c_camif_variant *variant; - unsigned long bus_clk_freq; -}; - -struct camif_scaler { - u8 scaleup_h; - u8 scaleup_v; - u8 copy; - u8 enable; - u32 h_shift; - u32 v_shift; - u32 pre_h_ratio; - u32 pre_v_ratio; - u32 pre_dst_width; - u32 pre_dst_height; - u32 main_h_ratio; - u32 main_v_ratio; -}; - -struct camif_dev; - -/** - * struct camif_vp - CAMIF data processing path structure (codec/preview) - * @irq_queue: interrupt handling waitqueue - * @irq: interrupt number for this data path - * @camif: pointer to the camif structure - * @pad: media pad for the video node - * @vdev: video device - * @ctrl_handler: video node controls handler - * @owner: file handle that own the streaming - * @vb_queue: vb2 buffer queue - * @pending_buf_q: pending (empty) buffers queue head - * @active_buf_q: active (being written) buffers queue head - * @active_buffers: counter of buffer set up at the DMA engine - * @buf_index: identifier of a last empty buffer set up in H/W - * @frame_sequence: image frame sequence counter - * @reqbufs_count: the number of buffers requested - * @scaler: the scaler structure - * @out_fmt: pixel format at this video path output - * @payload: the output data frame payload size - * @out_frame: the output pixel resolution - * @state: the video path's state - * @fmt_flags: flags determining supported pixel formats - * @id: CAMIF id, 0 - codec, 1 - preview - * @rotation: current image rotation value - * @hflip: apply horizontal flip if set - * @vflip: apply vertical flip if set - * @offset: register offset - */ -struct camif_vp { - wait_queue_head_t irq_queue; - int irq; - struct camif_dev *camif; - struct media_pad pad; - struct video_device vdev; - struct v4l2_ctrl_handler ctrl_handler; - struct v4l2_fh *owner; - struct vb2_queue vb_queue; - struct list_head pending_buf_q; - struct list_head active_buf_q; - unsigned int active_buffers; - unsigned int buf_index; - unsigned int frame_sequence; - unsigned int reqbufs_count; - struct camif_scaler scaler; - const struct camif_fmt *out_fmt; - unsigned int payload; - struct camif_frame out_frame; - unsigned int state; - u16 fmt_flags; - u8 id; - u16 rotation; - u8 hflip; - u8 vflip; - unsigned int offset; -}; - -/* Video processing path enumeration */ -#define VP_CODEC 0 -#define VP_PREVIEW 1 -#define CAMIF_VP_NUM 2 - -/** - * struct camif_dev - the CAMIF driver private data structure - * @media_dev: top-level media device structure - * @v4l2_dev: root v4l2_device - * @subdev: camera interface ("catchcam") subdev - * @mbus_fmt: camera input media bus format - * @camif_crop: camera input interface crop rectangle - * @pads: the camif subdev's media pads - * @stream_count: the camera interface streaming reference counter - * @sensor: image sensor data structure - * @m_pipeline: video entity pipeline description - * @ctrl_handler: v4l2 control handler (owned by @subdev) - * @ctrl_test_pattern: V4L2_CID_TEST_PATTERN control - * @ctrl_colorfx: V4L2_CID_COLORFX control - * @ctrl_colorfx_cbcr: V4L2_CID_COLORFX_CBCR control - * @test_pattern: test pattern - * @colorfx: color effect - * @colorfx_cb: Cb value for V4L2_COLORFX_SET_CBCR - * @colorfx_cr: Cr value for V4L2_COLORFX_SET_CBCR - * @vp: video path (DMA) description (codec/preview) - * @variant: variant information for this device - * @dev: pointer to the CAMIF device struct - * @pdata: a copy of the driver's platform data - * @clock: clocks required for the CAMIF operation - * @lock: mutex protecting this data structure - * @slock: spinlock protecting CAMIF registers - * @io_base: start address of the mmapped CAMIF registers - */ -struct camif_dev { - struct media_device media_dev; - struct v4l2_device v4l2_dev; - struct v4l2_subdev subdev; - struct v4l2_mbus_framefmt mbus_fmt; - struct v4l2_rect camif_crop; - struct media_pad pads[CAMIF_SD_PADS_NUM]; - int stream_count; - - struct cam_sensor { - struct v4l2_subdev *sd; - short power_count; - short stream_count; - } sensor; - struct media_pipeline *m_pipeline; - - struct v4l2_ctrl_handler ctrl_handler; - struct v4l2_ctrl *ctrl_test_pattern; - struct { - struct v4l2_ctrl *ctrl_colorfx; - struct v4l2_ctrl *ctrl_colorfx_cbcr; - }; - u8 test_pattern; - u8 colorfx; - u8 colorfx_cb; - u8 colorfx_cr; - - struct camif_vp vp[CAMIF_VP_NUM]; - - const struct s3c_camif_variant *variant; - struct device *dev; - struct s3c_camif_plat_data pdata; - struct clk *clock[CLK_MAX_NUM]; - struct mutex lock; - spinlock_t slock; - void __iomem *io_base; -}; - -/** - * struct camif_addr - Y/Cb/Cr DMA start address structure - * @y: luminance plane dma address - * @cb: Cb plane dma address - * @cr: Cr plane dma address - */ -struct camif_addr { - dma_addr_t y; - dma_addr_t cb; - dma_addr_t cr; -}; - -/** - * struct camif_buffer - the camif video buffer structure - * @vb: vb2 buffer - * @list: list head for the buffers queue - * @paddr: DMA start addresses - * @index: an identifier of this buffer at the DMA engine - */ -struct camif_buffer { - struct vb2_v4l2_buffer vb; - struct list_head list; - struct camif_addr paddr; - unsigned int index; -}; - -const struct camif_fmt *s3c_camif_find_format(struct camif_vp *vp, - const u32 *pixelformat, int index); -int s3c_camif_register_video_node(struct camif_dev *camif, int idx); -void s3c_camif_unregister_video_node(struct camif_dev *camif, int idx); -irqreturn_t s3c_camif_irq_handler(int irq, void *priv); -int s3c_camif_create_subdev(struct camif_dev *camif); -void s3c_camif_unregister_subdev(struct camif_dev *camif); -int s3c_camif_set_defaults(struct camif_dev *camif); -int s3c_camif_get_scaler_config(struct camif_vp *vp, - struct camif_scaler *scaler); - -static inline void camif_active_queue_add(struct camif_vp *vp, - struct camif_buffer *buf) -{ - list_add_tail(&buf->list, &vp->active_buf_q); - vp->active_buffers++; -} - -static inline struct camif_buffer *camif_active_queue_pop( - struct camif_vp *vp) -{ - struct camif_buffer *buf = list_first_entry(&vp->active_buf_q, - struct camif_buffer, list); - list_del(&buf->list); - vp->active_buffers--; - return buf; -} - -static inline struct camif_buffer *camif_active_queue_peek( - struct camif_vp *vp, int index) -{ - struct camif_buffer *tmp, *buf; - - if (WARN_ON(list_empty(&vp->active_buf_q))) - return NULL; - - list_for_each_entry_safe(buf, tmp, &vp->active_buf_q, list) { - if (buf->index == index) { - list_del(&buf->list); - vp->active_buffers--; - return buf; - } - } - - return NULL; -} - -static inline void camif_pending_queue_add(struct camif_vp *vp, - struct camif_buffer *buf) -{ - list_add_tail(&buf->list, &vp->pending_buf_q); -} - -static inline struct camif_buffer *camif_pending_queue_pop( - struct camif_vp *vp) -{ - struct camif_buffer *buf = list_first_entry(&vp->pending_buf_q, - struct camif_buffer, list); - list_del(&buf->list); - return buf; -} - -#endif /* CAMIF_CORE_H_ */ |