gsc-core.c File Reference

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/bug.h>
#include <linux/interrupt.h>
#include <linux/workqueue.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/list.h>
#include <linux/io.h>
#include <linux/slab.h>
#include <linux/clk.h>
#include <linux/of.h>
#include <media/v4l2-ioctl.h>
#include "gsc-core.h"

Go to the source code of this file.

Macros
#define	GSC_CLOCK_GATE_NAME   "gscl"

Functions
struct gsc_fmt *	get_format (int index)
struct gsc_fmt *	find_fmt (u32 *pixelformat, u32 *mbus_code, u32 index)
void	gsc_set_frame_size (struct gsc_frame *frame, int width, int height)
int	gsc_cal_prescaler_ratio (struct gsc_variant *var, u32 src, u32 dst, u32 *ratio)
void	gsc_get_prescaler_shfactor (u32 hratio, u32 vratio, u32 *sh)
void	gsc_check_src_scale_info (struct gsc_variant *var, struct gsc_frame *s_frame, u32 *wratio, u32 tx, u32 ty, u32 *hratio)
int	gsc_enum_fmt_mplane (struct v4l2_fmtdesc *f)
void	gsc_set_prefbuf (struct gsc_dev *gsc, struct gsc_frame *frm)
int	gsc_try_fmt_mplane (struct gsc_ctx *ctx, struct v4l2_format *f)
int	gsc_g_fmt_mplane (struct gsc_ctx *ctx, struct v4l2_format *f)
void	gsc_check_crop_change (u32 tmp_w, u32 tmp_h, u32 *w, u32 *h)
int	gsc_g_crop (struct gsc_ctx *ctx, struct v4l2_crop *cr)
int	gsc_try_crop (struct gsc_ctx *ctx, struct v4l2_crop *cr)
int	gsc_check_scaler_ratio (struct gsc_variant *var, int sw, int sh, int dw, int dh, int rot, int out_path)
int	gsc_set_scaler_info (struct gsc_ctx *ctx)
int	gsc_ctrls_create (struct gsc_ctx *ctx)
void	gsc_ctrls_delete (struct gsc_ctx *ctx)
int	gsc_prepare_addr (struct gsc_ctx *ctx, struct vb2_buffer *vb, struct gsc_frame *frame, struct gsc_addr *addr)
	MODULE_DEVICE_TABLE (platform, gsc_driver_ids)
	MODULE_DEVICE_TABLE (of, exynos_gsc_match)
	module_platform_driver (gsc_driver)
	MODULE_AUTHOR ("Hyunwong Kim <[email protected]>")
	MODULE_DESCRIPTION ("Samsung EXYNOS5 Soc series G-Scaler driver")
	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define GSC_CLOCK_GATE_NAME   "gscl"

Definition at line 31 of file gsc-core.c.

Function Documentation

struct gsc_fmt* find_fmt ( u32 *  pixelformat, u32 *  mbus_code, u32  index  )

read

Definition at line 199 of file gsc-core.c.

struct gsc_fmt* get_format ( int  index )

read

Definition at line 191 of file gsc-core.c.

int gsc_cal_prescaler_ratio	(	struct gsc_variant *	var,
		u32	src,
		u32	dst,
		u32 *	ratio
	)

Definition at line 230 of file gsc-core.c.

void gsc_check_crop_change	(	u32	tmp_w,
		u32	tmp_h,
		u32 *	w,
		u32 *	h
	)

Definition at line 484 of file gsc-core.c.

int gsc_check_scaler_ratio	(	struct gsc_variant *	var,
		int	sw,
		int	sh,
		int	dw,
		int	dh,
		int	rot,
		int	out_path
	)

Definition at line 596 of file gsc-core.c.

void gsc_check_src_scale_info	(	struct gsc_variant *	var,
		struct gsc_frame *	s_frame,
		u32 *	wratio,
		u32	tx,
		u32	ty,
		u32 *	hratio
	)

Definition at line 265 of file gsc-core.c.

int gsc_ctrls_create

(

struct gsc_ctx *

ctx

)

Definition at line 750 of file gsc-core.c.

void gsc_ctrls_delete

(

struct gsc_ctx *

ctx

)

Definition at line 780 of file gsc-core.c.

int gsc_enum_fmt_mplane

(

struct v4l2_fmtdesc *

f

)

Definition at line 299 of file gsc-core.c.

int gsc_g_crop	(	struct gsc_ctx *	ctx,
		struct v4l2_crop *	cr
	)

Definition at line 494 of file gsc-core.c.

int gsc_g_fmt_mplane	(	struct gsc_ctx *	ctx,
		struct v4l2_format *	f
	)

Definition at line 455 of file gsc-core.c.

void gsc_get_prescaler_shfactor	(	u32	hratio,
		u32	vratio,
		u32 *	sh
	)

Definition at line 248 of file gsc-core.c.

int gsc_prepare_addr	(	struct gsc_ctx *	ctx,
		struct vb2_buffer *	vb,
		struct gsc_frame *	frame,
		struct gsc_addr *	addr
	)

Definition at line 789 of file gsc-core.c.

void gsc_set_frame_size	(	struct gsc_frame *	frame,
		int	width,
		int	height
	)

Definition at line 220 of file gsc-core.c.

void gsc_set_prefbuf	(	struct gsc_dev *	gsc,
		struct gsc_frame *	frm
	)

Definition at line 330 of file gsc-core.c.

int gsc_set_scaler_info

(

struct gsc_ctx *

ctx

)

Definition at line 623 of file gsc-core.c.

int gsc_try_crop	(	struct gsc_ctx *	ctx,
		struct v4l2_crop *	cr
	)

Definition at line 507 of file gsc-core.c.

int gsc_try_fmt_mplane	(	struct gsc_ctx *	ctx,
		struct v4l2_format *	f
	)

Definition at line 378 of file gsc-core.c.

MODULE_AUTHOR

(

"Hyunwong Kim <[email protected]>"

)

MODULE_DESCRIPTION

(

"Samsung EXYNOS5 Soc series G-Scaler driver"

)

MODULE_DEVICE_TABLE	(	platform	,
		gsc_driver_ids
	)

MODULE_DEVICE_TABLE	(	of	,
		exynos_gsc_match
	)

MODULE_LICENSE

(

"GPL"

)

module_platform_driver

(

gsc_driver

)