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authorMauro Carvalho Chehab <mchehab@kernel.org>2022-03-13 11:18:16 +0100
committerMauro Carvalho Chehab <mchehab@kernel.org>2022-03-18 05:56:52 +0100
commitc1024049033f923b80ec80f4c1857d6dbcdf5bc8 (patch)
tree85b0bc12be0f3a5b7b243284a355bdf351d09973 /drivers/media/platform/s3c-camif/camif-core.h
parent3bae07d4b44cf10bbffc6270e00816dda57e6e70 (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.h397
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_ */