diff options
Diffstat (limited to 'drivers/media/video/mxc/capture/mx27_prp.h')
| -rw-r--r-- | drivers/media/video/mxc/capture/mx27_prp.h | 310 |
1 files changed, 310 insertions, 0 deletions
diff --git a/drivers/media/video/mxc/capture/mx27_prp.h b/drivers/media/video/mxc/capture/mx27_prp.h new file mode 100644 index 000000000000..e32e9029daff --- /dev/null +++ b/drivers/media/video/mxc/capture/mx27_prp.h @@ -0,0 +1,310 @@ +/* + * 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__ */ |