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/*
* Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
/*!
* @file mx27_prp.h
*
* @brief Header file for MX27 V4L2 capture driver
*
* @ingroup MXC_V4L2_CAPTURE
*/
#ifndef __MX27_PRP_H__
#define __MX27_PRP_H__
#define PRP_REG(ofs) (IO_ADDRESS(EMMA_BASE_ADDR) + ofs)
/* Register definitions of PrP */
#define PRP_CNTL PRP_REG(0x00)
#define PRP_INTRCNTL PRP_REG(0x04)
#define PRP_INTRSTATUS PRP_REG(0x08)
#define PRP_SOURCE_Y_PTR PRP_REG(0x0C)
#define PRP_SOURCE_CB_PTR PRP_REG(0x10)
#define PRP_SOURCE_CR_PTR PRP_REG(0x14)
#define PRP_DEST_RGB1_PTR PRP_REG(0x18)
#define PRP_DEST_RGB2_PTR PRP_REG(0x1C)
#define PRP_DEST_Y_PTR PRP_REG(0x20)
#define PRP_DEST_CB_PTR PRP_REG(0x24)
#define PRP_DEST_CR_PTR PRP_REG(0x28)
#define PRP_SOURCE_FRAME_SIZE PRP_REG(0x2C)
#define PRP_CH1_LINE_STRIDE PRP_REG(0x30)
#define PRP_SRC_PIXEL_FORMAT_CNTL PRP_REG(0x34)
#define PRP_CH1_PIXEL_FORMAT_CNTL PRP_REG(0x38)
#define PRP_CH1_OUT_IMAGE_SIZE PRP_REG(0x3C)
#define PRP_CH2_OUT_IMAGE_SIZE PRP_REG(0x40)
#define PRP_SOURCE_LINE_STRIDE PRP_REG(0x44)
#define PRP_CSC_COEF_012 PRP_REG(0x48)
#define PRP_CSC_COEF_345 PRP_REG(0x4C)
#define PRP_CSC_COEF_678 PRP_REG(0x50)
#define PRP_CH1_RZ_HORI_COEF1 PRP_REG(0x54)
#define PRP_CH1_RZ_HORI_COEF2 PRP_REG(0x58)
#define PRP_CH1_RZ_HORI_VALID PRP_REG(0x5C)
#define PRP_CH1_RZ_VERT_COEF1 PRP_REG(0x60)
#define PRP_CH1_RZ_VERT_COEF2 PRP_REG(0x64)
#define PRP_CH1_RZ_VERT_VALID PRP_REG(0x68)
#define PRP_CH2_RZ_HORI_COEF1 PRP_REG(0x6C)
#define PRP_CH2_RZ_HORI_COEF2 PRP_REG(0x70)
#define PRP_CH2_RZ_HORI_VALID PRP_REG(0x74)
#define PRP_CH2_RZ_VERT_COEF1 PRP_REG(0x78)
#define PRP_CH2_RZ_VERT_COEF2 PRP_REG(0x7C)
#define PRP_CH2_RZ_VERT_VALID PRP_REG(0x80)
#define B_SET(b) (1 << (b))
/* Bit definitions for PrP control register */
#define PRP_CNTL_RSTVAL 0x28
#define PRP_CNTL_CH1EN B_SET(0)
#define PRP_CNTL_CH2EN B_SET(1)
#define PRP_CNTL_CSI B_SET(2)
#define PRP_CNTL_IN_32 B_SET(3)
#define PRP_CNTL_IN_RGB B_SET(4)
#define PRP_CNTL_IN_YUV420 0
#define PRP_CNTL_IN_YUV422 PRP_CNTL_IN_32
#define PRP_CNTL_IN_RGB16 PRP_CNTL_IN_RGB
#define PRP_CNTL_IN_RGB32 (PRP_CNTL_IN_RGB | PRP_CNTL_IN_32)
#define PRP_CNTL_CH1_RGB8 0
#define PRP_CNTL_CH1_RGB16 B_SET(5)
#define PRP_CNTL_CH1_RGB32 B_SET(6)
#define PRP_CNTL_CH1_YUV422 (B_SET(5) | B_SET(6))
#define PRP_CNTL_CH2_YUV420 0
#define PRP_CNTL_CH2_YUV422 B_SET(7)
#define PRP_CNTL_CH2_YUV444 B_SET(8)
#define PRP_CNTL_CH1_LOOP B_SET(9)
#define PRP_CNTL_CH2_LOOP B_SET(10)
#define PRP_CNTL_AUTODROP B_SET(11)
#define PRP_CNTL_RST B_SET(12)
#define PRP_CNTL_CNTREN B_SET(13)
#define PRP_CNTL_WINEN B_SET(14)
#define PRP_CNTL_UNCHAIN B_SET(15)
#define PRP_CNTL_IN_SKIP_NONE 0
#define PRP_CNTL_IN_SKIP_1_2 B_SET(16)
#define PRP_CNTL_IN_SKIP_1_3 B_SET(17)
#define PRP_CNTL_IN_SKIP_2_3 (B_SET(16) | B_SET(17))
#define PRP_CNTL_IN_SKIP_1_4 B_SET(18)
#define PRP_CNTL_IN_SKIP_3_4 (B_SET(16) | B_SET(18))
#define PRP_CNTL_IN_SKIP_2_5 (B_SET(17) | B_SET(18))
#define PRP_CNTL_IN_SKIP_3_5 (B_SET(16) | B_SET(17) | B_SET(18))
#define PRP_CNTL_CH1_SKIP_NONE 0
#define PRP_CNTL_CH1_SKIP_1_2 B_SET(19)
#define PRP_CNTL_CH1_SKIP_1_3 B_SET(20)
#define PRP_CNTL_CH1_SKIP_2_3 (B_SET(19) | B_SET(20))
#define PRP_CNTL_CH1_SKIP_1_4 B_SET(21)
#define PRP_CNTL_CH1_SKIP_3_4 (B_SET(19) | B_SET(21))
#define PRP_CNTL_CH1_SKIP_2_5 (B_SET(20) | B_SET(21))
#define PRP_CNTL_CH1_SKIP_3_5 (B_SET(19) | B_SET(20) | B_SET(21))
#define PRP_CNTL_CH2_SKIP_NONE 0
#define PRP_CNTL_CH2_SKIP_1_2 B_SET(22)
#define PRP_CNTL_CH2_SKIP_1_3 B_SET(23)
#define PRP_CNTL_CH2_SKIP_2_3 (B_SET(22) | B_SET(23))
#define PRP_CNTL_CH2_SKIP_1_4 B_SET(24)
#define PRP_CNTL_CH2_SKIP_3_4 (B_SET(22) | B_SET(24))
#define PRP_CNTL_CH2_SKIP_2_5 (B_SET(23) | B_SET(24))
#define PRP_CNTL_CH2_SKIP_3_5 (B_SET(22) | B_SET(23) | B_SET(24))
#define PRP_CNTL_FIFO_I128 0
#define PRP_CNTL_FIFO_I96 B_SET(25)
#define PRP_CNTL_FIFO_I64 B_SET(26)
#define PRP_CNTL_FIFO_I32 (B_SET(25) | B_SET(26))
#define PRP_CNTL_FIFO_O64 0
#define PRP_CNTL_FIFO_O48 B_SET(27)
#define PRP_CNTL_FIFO_O32 B_SET(28)
#define PRP_CNTL_FIFO_O16 (B_SET(27) | B_SET(28))
#define PRP_CNTL_CH2B1 B_SET(29)
#define PRP_CNTL_CH2B2 B_SET(30)
#define PRP_CNTL_CH2_FLOWEN B_SET(31)
/* Bit definitions for PrP interrupt control register */
#define PRP_INTRCNTL_RDERR B_SET(0)
#define PRP_INTRCNTL_CH1WERR B_SET(1)
#define PRP_INTRCNTL_CH2WERR B_SET(2)
#define PRP_INTRCNTL_CH1FC B_SET(3)
#define PRP_INTRCNTL_CH2FC B_SET(5)
#define PRP_INTRCNTL_LBOVF B_SET(7)
#define PRP_INTRCNTL_CH2OVF B_SET(8)
/* Bit definitions for PrP interrupt status register */
#define PRP_INTRSTAT_RDERR B_SET(0)
#define PRP_INTRSTAT_CH1WERR B_SET(1)
#define PRP_INTRSTAT_CH2WERR B_SET(2)
#define PRP_INTRSTAT_CH2BUF2 B_SET(3)
#define PRP_INTRSTAT_CH2BUF1 B_SET(4)
#define PRP_INTRSTAT_CH1BUF2 B_SET(5)
#define PRP_INTRSTAT_CH1BUF1 B_SET(6)
#define PRP_INTRSTAT_LBOVF B_SET(7)
#define PRP_INTRSTAT_CH2OVF B_SET(8)
#define PRP_CHANNEL_1 0x1
#define PRP_CHANNEL_2 0x2
/* PRP-CSI config */
#define PRP_CSI_EN 0x80
#define PRP_CSI_LOOP (0x40 | PRP_CSI_EN)
#define PRP_CSI_IRQ_FRM (0x08 | PRP_CSI_LOOP)
#define PRP_CSI_IRQ_CH1ERR (0x10 | PRP_CSI_LOOP)
#define PRP_CSI_IRQ_CH2ERR (0x20 | PRP_CSI_LOOP)
#define PRP_CSI_IRQ_ALL (0x38 | PRP_CSI_LOOP)
#define PRP_CSI_SKIP_NONE 0
#define PRP_CSI_SKIP_1OF2 1
#define PRP_CSI_SKIP_1OF3 2
#define PRP_CSI_SKIP_2OF3 3
#define PRP_CSI_SKIP_1OF4 4
#define PRP_CSI_SKIP_3OF4 5
#define PRP_CSI_SKIP_2OF5 6
#define PRP_CSI_SKIP_4OF5 7
#define PRP_PIXIN_RGB565 0x2CA00565
#define PRP_PIXIN_RGB888 0x41000888
#define PRP_PIXIN_YUV420 0
#define PRP_PIXIN_YUYV 0x22000888
#define PRP_PIXIN_YVYU 0x20100888
#define PRP_PIXIN_UYVY 0x03080888
#define PRP_PIXIN_VYUY 0x01180888
#define PRP_PIXIN_YUV422 0x62080888
#define PRP_PIX1_RGB332 0x14400322
#define PRP_PIX1_RGB565 0x2CA00565
#define PRP_PIX1_RGB888 0x41000888
#define PRP_PIX1_YUYV 0x62000888
#define PRP_PIX1_YVYU 0x60100888
#define PRP_PIX1_UYVY 0x43080888
#define PRP_PIX1_VYUY 0x41180888
#define PRP_PIX1_UNUSED 0
#define PRP_PIX2_YUV420 0
#define PRP_PIX2_YUV422 1
#define PRP_PIX2_YUV444 4
#define PRP_PIX2_UNUSED 8
#define PRP_ALGO_WIDTH_ANY 0
#define PRP_ALGO_HEIGHT_ANY 0
#define PRP_ALGO_WIDTH_BIL 1
#define PRP_ALGO_WIDTH_AVG 2
#define PRP_ALGO_HEIGHT_BIL 4
#define PRP_ALGO_HEIGHT_AVG 8
#define PRP_ALGO_BYPASS 0x10
typedef struct _emma_prp_ratio {
unsigned short num;
unsigned short den;
} emma_prp_ratio;
/*
* The following definitions are for resizing. Definition values must not
* be changed otherwise decision logic will be wrong.
*/
#define SCALE_RETRY 16 /* retry times if ratio is not supported */
#define BC_COEF 3
#define MAX_TBL 20
#define SZ_COEF (1 << BC_COEF)
#define ALGO_AUTO 0
#define ALGO_BIL 1
#define ALGO_AVG 2
typedef struct {
char tbl[20]; /* table entries */
char len; /* table length used */
char algo; /* ALGO_xxx */
char ratio[20]; /* ratios used */
} scale_t;
/*
* structure for prp scaling.
* algorithm - bilinear or averaging for each axis
* PRP_ALGO_WIDTH_x | PRP_ALGO_HEIGHT_x | PRP_ALGO_BYPASS
* PRP_ALGO_BYPASS - Ch1 will not use Ch2 scaling with this flag
*/
typedef struct _emma_prp_scale {
unsigned char algo;
emma_prp_ratio width;
emma_prp_ratio height;
} emma_prp_scale;
typedef struct emma_prp_cfg {
unsigned int in_pix; /* PRP_PIXIN_xxx */
unsigned short in_width; /* image width, 32 - 2044 */
unsigned short in_height; /* image height, 32 - 2044 */
unsigned char in_csi; /* PRP_CSI_SKIP_x | PRP_CSI_LOOP */
unsigned short in_line_stride; /* in_line_stride and in_line_skip */
unsigned short in_line_skip; /* allow cropping from CSI */
unsigned int in_ptr; /* bus address */
/*
* in_csc[9] = 1 -> Y-16
* if in_csc[1..9] == 0
* in_csc[0] represents YUV range 0-3 = A0,A1,B0,B1;
* else
* in_csc[0..9] represents either format
*/
unsigned short in_csc[10];
unsigned char ch2_pix; /* PRP_PIX2_xxx */
emma_prp_scale ch2_scale; /* resizing paramters */
unsigned short ch2_width; /* 4-2044, 0 = scaled */
unsigned short ch2_height; /* 4-2044, 0 = scaled */
unsigned int ch2_ptr; /* bus addr */
unsigned int ch2_ptr2; /* bus addr for 2nd buf (loop mode) */
unsigned char ch2_csi; /* PRP_CSI_SKIP_x | PRP_CSI_LOOP */
unsigned int ch1_pix; /* PRP_PIX1_xxx */
emma_prp_scale ch1_scale; /* resizing parameters */
unsigned short ch1_width; /* 4-2044, 0 = scaled */
unsigned short ch1_height; /* 4-2044, 0 = scaled */
unsigned short ch1_stride; /* 4-4088, 0 = ch1_width */
unsigned int ch1_ptr; /* bus addr */
unsigned int ch1_ptr2; /* bus addr for 2nd buf (loop mode) */
unsigned char ch1_csi; /* PRP_CSI_SKIP_x | PRP_CSI_LOOP */
/*
* channel resizing coefficients
* scale[0] for channel 1 width
* scale[1] for channel 1 height
* scale[2] for channel 2 width
* scale[3] for channel 2 height
*/
scale_t scale[4];
} emma_prp_cfg;
int prphw_reset(void);
int prphw_enable(int channel);
int prphw_disable(int channel);
int prphw_inptr(emma_prp_cfg *);
int prphw_ch1ptr(emma_prp_cfg *);
int prphw_ch1ptr2(emma_prp_cfg *);
int prphw_ch2ptr(emma_prp_cfg *);
int prphw_ch2ptr2(emma_prp_cfg *);
int prphw_cfg(emma_prp_cfg *);
int prphw_isr(void);
void prphw_init(void);
void prphw_exit(void);
/*
* scale out coefficient table
* din in scale numerator
* dout in scale denominator
* inv in pre-scale dimension
* vout in/out post-scale output dimension
* pout out post-scale internal dimension [opt]
* retry in retry times (round the output length) when need
*/
int prp_scale(scale_t * pscale, int din, int dout, int inv,
unsigned short *vout, unsigned short *pout, int retry);
int prp_init(void *dev_id);
void prp_exit(void *dev_id);
int prp_enc_select(void *data);
int prp_enc_deselect(void *data);
int prp_vf_select(void *data);
int prp_vf_deselect(void *data);
int prp_still_select(void *data);
int prp_still_deselect(void *data);
#endif /* __MX27_PRP_H__ */
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