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linux/drivers/media/video/s5p-fimc/fimc-core.h
Pawel Osciak 03e30ca5f0 V4L/DVB: v4l: s5p-fimc: Fix coding style issues 
Signed-off-by: Pawel Osciak <p.osciak@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:03 -03:00

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/*
* Copyright (c) 2010 Samsung Electronics
*
* Sylwester Nawrocki, <s.nawrocki@samsung.com>
*
* 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_
#include <linux/types.h>
#include <media/videobuf-core.h>
#include <media/v4l2-device.h>
#include <media/v4l2-mem2mem.h>
#include <linux/videodev2.h>
#include "regs-fimc.h"
#define err(fmt, args...) \
printk(KERN_ERR "%s:%d: " fmt "\n", __func__, __LINE__, ##args)
#ifdef DEBUG
#define dbg(fmt, args...) \
printk(KERN_DEBUG "%s:%d: " fmt "\n", __func__, __LINE__, ##args)
#else
#define dbg(fmt, args...)
#endif
#define NUM_FIMC_CLOCKS 2
#define MODULE_NAME "s5p-fimc"
#define FIMC_MAX_DEVS 3
#define FIMC_MAX_OUT_BUFS 4
#define SCALER_MAX_HRATIO 64
#define SCALER_MAX_VRATIO 64
enum {
ST_IDLE,
ST_OUTDMA_RUN,
ST_M2M_PEND,
};
#define fimc_m2m_active(dev) test_bit(ST_OUTDMA_RUN, &(dev)->state)
#define fimc_m2m_pending(dev) test_bit(ST_M2M_PEND, &(dev)->state)
enum fimc_datapath {
FIMC_ITU_CAM_A,
FIMC_ITU_CAM_B,
FIMC_MIPI_CAM,
FIMC_DMA,
FIMC_LCDFIFO,
FIMC_WRITEBACK
};
enum fimc_color_fmt {
S5P_FIMC_RGB565,
S5P_FIMC_RGB666,
S5P_FIMC_RGB888,
S5P_FIMC_YCBCR420,
S5P_FIMC_YCBCR422,
S5P_FIMC_YCBYCR422,
S5P_FIMC_YCRYCB422,
S5P_FIMC_CBYCRY422,
S5P_FIMC_CRYCBY422,
S5P_FIMC_RGB30_LOCAL,
S5P_FIMC_YCBCR444_LOCAL,
S5P_FIMC_MAX_COLOR = S5P_FIMC_YCBCR444_LOCAL,
S5P_FIMC_COLOR_MASK = 0x0F,
};
/* Y/Cb/Cr components order at DMA output for 1 plane YCbCr 4:2:2 formats. */
#define S5P_FIMC_OUT_CRYCBY S5P_CIOCTRL_ORDER422_CRYCBY
#define S5P_FIMC_OUT_CBYCRY S5P_CIOCTRL_ORDER422_YCRYCB
#define S5P_FIMC_OUT_YCRYCB S5P_CIOCTRL_ORDER422_CBYCRY
#define S5P_FIMC_OUT_YCBYCR S5P_CIOCTRL_ORDER422_YCBYCR
/* Input Y/Cb/Cr components order for 1 plane YCbCr 4:2:2 color formats. */
#define S5P_FIMC_IN_CRYCBY S5P_MSCTRL_ORDER422_CRYCBY
#define S5P_FIMC_IN_CBYCRY S5P_MSCTRL_ORDER422_YCRYCB
#define S5P_FIMC_IN_YCRYCB S5P_MSCTRL_ORDER422_CBYCRY
#define S5P_FIMC_IN_YCBYCR S5P_MSCTRL_ORDER422_YCBYCR
/* Cb/Cr chrominance components order for 2 plane Y/CbCr 4:2:2 formats. */
#define S5P_FIMC_LSB_CRCB S5P_CIOCTRL_ORDER422_2P_LSB_CRCB
/* The embedded image effect selection */
#define S5P_FIMC_EFFECT_ORIGINAL S5P_CIIMGEFF_FIN_BYPASS
#define S5P_FIMC_EFFECT_ARBITRARY S5P_CIIMGEFF_FIN_ARBITRARY
#define S5P_FIMC_EFFECT_NEGATIVE S5P_CIIMGEFF_FIN_NEGATIVE
#define S5P_FIMC_EFFECT_ARTFREEZE S5P_CIIMGEFF_FIN_ARTFREEZE
#define S5P_FIMC_EFFECT_EMBOSSING S5P_CIIMGEFF_FIN_EMBOSSING
#define S5P_FIMC_EFFECT_SIKHOUETTE S5P_CIIMGEFF_FIN_SILHOUETTE
/* The hardware context state. */
#define FIMC_PARAMS (1 << 0)
#define FIMC_SRC_ADDR (1 << 1)
#define FIMC_DST_ADDR (1 << 2)
#define FIMC_SRC_FMT (1 << 3)
#define FIMC_DST_FMT (1 << 4)
/* 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)
#define FLIP_NONE 0
#define FLIP_X_AXIS 1
#define FLIP_Y_AXIS 2
#define FLIP_XY_AXIS (FLIP_X_AXIS | FLIP_Y_AXIS)
/**
* struct fimc_fmt - the driver's internal color format data
* @name: format description
* @fourcc: the fourcc code for this format
* @color: the corresponding fimc_color_fmt
* @depth: number of bits per pixel
* @buff_cnt: number of physically non-contiguous data planes
* @planes_cnt: number of physically contiguous data planes
*/
struct fimc_fmt {
char *name;
u32 fourcc;
u32 color;
u32 depth;
u16 buff_cnt;
u16 planes_cnt;
};
/**
* 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 - the configuration data for the "Arbitrary" image effect
* @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
*
* @enabled: the flag set when 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
* @scaleup_h: flag indicating scaling up horizontally
* @scaleup_v: flag indicating scaling up vertically
* @main_hratio: the main scaler's horizontal ratio
* @main_vratio: the main scaler's vertical ratio
* @real_width: source width - offset
* @real_height: source height - offset
* @copy_mode: flag set if one-to-one mode is used, i.e. no scaling
* and color format conversion
*/
struct fimc_scaler {
u32 enabled;
u32 hfactor;
u32 vfactor;
u32 pre_hratio;
u32 pre_vratio;
u32 pre_dst_width;
u32 pre_dst_height;
u32 scaleup_h;
u32 scaleup_v;
u32 main_hratio;
u32 main_vratio;
u32 real_width;
u32 real_height;
u32 copy_mode;
};
/**
* 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
*/
struct fimc_vid_buffer {
struct videobuf_buffer vb;
};
/**
* struct fimc_frame - input/output frame format 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
* @paddr: image frame buffer physical addresses
* @buf_cnt: number of buffers depending on a color format
* @size: image size in bytes
* @color: color format
* @dma_offset: DMA offset in bytes
*/
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;
u32 size;
struct fimc_addr paddr;
struct fimc_dma_offset dma_offset;
struct fimc_fmt *fmt;
};
/**
* struct fimc_m2m_device - v4l2 memory-to-memory device data
* @vfd: the video device node for v4l2 m2m mode
* @v4l2_dev: v4l2 device for 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_device v4l2_dev;
struct v4l2_m2m_dev *m2m_dev;
struct fimc_ctx *ctx;
int refcnt;
};
/**
* struct samsung_fimc_variant - camera interface 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
* @min_inp_pixsize: minimum input pixel size
* @min_out_pixsize: minimum output pixel size
* @scaler_en_w: maximum input pixel width when the scaler is enabled
* @scaler_dis_w: maximum input pixel width when the scaler is disabled
* @in_rot_en_h: maximum input width when the input rotator is used
* @in_rot_dis_w: maximum input width when the input rotator is used
* @out_rot_en_w: maximum output width for the output rotator enabled
* @out_rot_dis_w: maximum output width for the output rotator enabled
*/
struct samsung_fimc_variant {
unsigned int pix_hoff:1;
unsigned int has_inp_rot:1;
unsigned int has_out_rot:1;
u16 min_inp_pixsize;
u16 min_out_pixsize;
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 samsung_fimc_driverdata - per-device type driver data for init time.
*
* @variant: the variant information for this driver.
* @dev_cnt: number of fimc sub-devices available in SoC
*/
struct samsung_fimc_driverdata {
struct samsung_fimc_variant *variant[FIMC_MAX_DEVS];
int devs_cnt;
};
struct fimc_ctx;
/**
* struct fimc_subdev - abstraction for a FIMC entity
*
* @slock: the spinlock protecting this data structure
* @lock: the mutex protecting this data structure
* @pdev: pointer to the FIMC platform device
* @id: FIMC device index (0..2)
* @clock[]: the clocks required for FIMC operation
* @regs: the mapped hardware registers
* @regs_res: the resource claimed for IO registers
* @irq: interrupt number of the FIMC subdevice
* @irqlock: spinlock protecting videbuffer queue
* @m2m: memory-to-memory V4L2 device information
* @state: the FIMC device state flags
*/
struct fimc_dev {
spinlock_t slock;
struct mutex lock;
struct platform_device *pdev;
struct samsung_fimc_variant *variant;
int id;
struct clk *clock[NUM_FIMC_CLOCKS];
void __iomem *regs;
struct resource *regs_res;
int irq;
spinlock_t irqlock;
struct workqueue_struct *work_queue;
struct fimc_m2m_device m2m;
unsigned long state;
};
/**
* fimc_ctx - the device context data
*
* @lock: mutex protecting this data structure
* @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
* @flip: image flip mode
* @flags: an 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
*/
struct fimc_ctx {
spinlock_t slock;
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;
u32 flip;
u32 flags;
u32 state;
struct fimc_dev *fimc_dev;
struct v4l2_m2m_ctx *m2m_ctx;
};
static inline int tiled_fmt(struct fimc_fmt *fmt)
{
return 0;
}
static inline void fimc_hw_clear_irq(struct fimc_dev *dev)
{
u32 cfg = readl(dev->regs + S5P_CIGCTRL);
cfg |= S5P_CIGCTRL_IRQ_CLR;
writel(cfg, dev->regs + S5P_CIGCTRL);
}
static inline void fimc_hw_start_scaler(struct fimc_dev *dev)
{
u32 cfg = readl(dev->regs + S5P_CISCCTRL);
cfg |= S5P_CISCCTRL_SCALERSTART;
writel(cfg, dev->regs + S5P_CISCCTRL);
}
static inline void fimc_hw_stop_scaler(struct fimc_dev *dev)
{
u32 cfg = readl(dev->regs + S5P_CISCCTRL);
cfg &= ~S5P_CISCCTRL_SCALERSTART;
writel(cfg, dev->regs + S5P_CISCCTRL);
}
static inline void fimc_hw_dis_capture(struct fimc_dev *dev)
{
u32 cfg = readl(dev->regs + S5P_CIIMGCPT);
cfg &= ~(S5P_CIIMGCPT_IMGCPTEN | S5P_CIIMGCPT_IMGCPTEN_SC);
writel(cfg, dev->regs + S5P_CIIMGCPT);
}
static inline void fimc_hw_start_in_dma(struct fimc_dev *dev)
{
u32 cfg = readl(dev->regs + S5P_MSCTRL);
cfg |= S5P_MSCTRL_ENVID;
writel(cfg, dev->regs + S5P_MSCTRL);
}
static inline void fimc_hw_stop_in_dma(struct fimc_dev *dev)
{
u32 cfg = readl(dev->regs + S5P_MSCTRL);
cfg &= ~S5P_MSCTRL_ENVID;
writel(cfg, dev->regs + S5P_MSCTRL);
}
static inline struct fimc_frame *ctx_m2m_get_frame(struct fimc_ctx *ctx,
enum v4l2_buf_type type)
{
struct fimc_frame *frame;
if (V4L2_BUF_TYPE_VIDEO_OUTPUT == type) {
frame = &ctx->s_frame;
} else if (V4L2_BUF_TYPE_VIDEO_CAPTURE == type) {
frame = &ctx->d_frame;
} else {
v4l2_err(&ctx->fimc_dev->m2m.v4l2_dev,
"Wrong buffer/video queue type (%d)\n", type);
return ERR_PTR(-EINVAL);
}
return frame;
}
/* -----------------------------------------------------*/
/* fimc-reg.c */
void fimc_hw_reset(struct fimc_dev *dev);
void fimc_hw_set_rotation(struct fimc_ctx *ctx);
void fimc_hw_set_target_format(struct fimc_ctx *ctx);
void fimc_hw_set_out_dma(struct fimc_ctx *ctx);
void fimc_hw_en_lastirq(struct fimc_dev *dev, int enable);
void fimc_hw_en_irq(struct fimc_dev *dev, int enable);
void fimc_hw_set_prescaler(struct fimc_ctx *ctx);
void fimc_hw_set_scaler(struct fimc_ctx *ctx);
void fimc_hw_en_capture(struct fimc_ctx *ctx);
void fimc_hw_set_effect(struct fimc_ctx *ctx);
void fimc_hw_set_in_dma(struct fimc_ctx *ctx);
void fimc_hw_set_input_path(struct fimc_ctx *ctx);
void fimc_hw_set_output_path(struct fimc_ctx *ctx);
void fimc_hw_set_input_addr(struct fimc_dev *dev, struct fimc_addr *paddr);
void fimc_hw_set_output_addr(struct fimc_dev *dev, struct fimc_addr *paddr);
#endif /* FIMC_CORE_H_ */
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