diff options
Diffstat (limited to 'drivers/media/video/mxc/output/mx27_pp.h')
| -rw-r--r-- | drivers/media/video/mxc/output/mx27_pp.h | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/drivers/media/video/mxc/output/mx27_pp.h b/drivers/media/video/mxc/output/mx27_pp.h new file mode 100644 index 000000000000..7bc65ddda3a1 --- /dev/null +++ b/drivers/media/video/mxc/output/mx27_pp.h @@ -0,0 +1,180 @@ +/* + * Copyright 2005-2007 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_pp.h + * + * @brief Header file for MX27 V4L2 Video Output Driver + * + * @ingroup MXC_V4L2_OUTPUT + */ +#ifndef __MX27_PP_H__ +#define __MX27_PP_H__ + +#include "mxc_v4l2_output.h" + +/* PP register definitions */ +#define PP_REG(ofs) (IO_ADDRESS(EMMA_BASE_ADDR) - 0x400 + ofs) + +/* Register offsets */ +#define PP_CNTL PP_REG(0x00) +#define PP_INTRCNTL PP_REG(0x04) +#define PP_INTRSTATUS PP_REG(0x08) +#define PP_SOURCE_Y_PTR PP_REG(0x0C) +#define PP_SOURCE_CB_PTR PP_REG(0x10) +#define PP_SOURCE_CR_PTR PP_REG(0x14) +#define PP_DEST_RGB_PTR PP_REG(0x18) +#define PP_QUANTIZER_PTR PP_REG(0x1C) +#define PP_PROCESS_FRAME_PARA PP_REG(0x20) +#define PP_SOURCE_FRAME_WIDTH PP_REG(0x24) +#define PP_DEST_DISPLAY_WIDTH PP_REG(0x28) +#define PP_DEST_IMAGE_SIZE PP_REG(0x2C) +#define PP_DEST_FRAME_FMT_CNTL PP_REG(0x30) +#define PP_RESIZE_INDEX PP_REG(0x34) +#define PP_CSC_COEF_0123 PP_REG(0x38) +#define PP_CSC_COEF_4 PP_REG(0x3C) +#define PP_RESIZE_COEF_TBL PP_REG(0x100) + +/* resize table dimensions + dest pixel index left/32 right/32 #src pixels to read + 0 [BC_COEF] [BC_COEF] [BC_NXT] + : + pp_tbl_max-1 +*/ +#define BC_NXT 2 +#define BC_COEF 5 +#define SZ_COEF (1 << BC_COEF) +#define SZ_NXT (1 << BC_NXT) + +/* PP operations */ +#define EN_DEBLOCK 0x02 +#define EN_DERING 0x04 +#define EN_CSC 0x10 +#define EN_MACROBLOCK 0x20 +#define EN_DEF 0x16 +#define EN_MASK 0x36 +#define EN_BIGDATA 0x1000 +#define EN_BIGQP 0x2000 + +/* PP CSC tables */ +#define CSC_TBL_NONE 0x80 +#define CSC_TBL_REUSE 0x81 +#define CSC_TBL_A1 0x00 +#define CSC_TBL_A0 0x20 +#define CSC_TBL_B1 0x40 +#define CSC_TBL_B0 0x60 +/* converts from 4 decimal fixed point to hw setting & vice versa */ +#define PP_CSC_FP4_2_HW(coeff) ((((coeff) << 7) + 5000) / 10000) +#define PP_CSC_HW_2_FP4(coeff) ((((coeff) * 10000) + 64) >> 7) + +#define PP_PIX_YUYV 0 +#define PP_PIX_YVYU 8 +#define PP_PIX_UYVY 16 +#define PP_PIX_VYUY 24 + +/* PP size & width calculation macros */ +#define PP_CALC_QP_WIDTH(cfg) \ + (!((cfg)->operation & (EN_DEBLOCK | EN_DERING)) ? 0 : \ + (((((cfg)->dim.in.width + 15) >> 4) + 3) & ~3)) +#define PP_CALC_Y_SIZE(cfg) \ + ((cfg)->in_y_stride * (cfg)->dim.in.height) +#define PP_CALC_CH_SIZE(cfg) (PP_CALC_Y_SIZE(cfg) >> 2) +#define PP_CALC_BPP(cfg) \ + ((cfg)->rgb_resolution > 16 ? 4 : ((cfg)->rgb_resolution >> 3)) +#define PP_CALC_YUV_SIZE(cfg) \ + ((PP_CALC_Y_SIZE(cfg) * 3) >> 1) +#define PP_CALC_QP_SIZE(cfg) \ + (PP_CALC_QP_WIDTH(cfg) * (((cfg)->dim.in.height + 15) >> 4)) +#define PP_CALC_DEST_WIDTH(cfg) \ + (((cfg)->out_stride & ~1) * PP_CALC_BPP(cfg)) +#define PP_CALC_DEST_SIZE(cfg) \ + ((cfg)->dim.out.height * PP_CALC_DEST_WIDTH(cfg)) + +/* + * physical addresses for bus mastering + * v=0 -> yuv packed + * v=0 & qp=0 -> yuv packed with qp appended + */ +typedef struct _emma_pp_ptr { + unsigned int y; /* Y data (line align8) */ + unsigned int u; /* U data (line align4) */ + unsigned int v; /* V data (line align4) */ + unsigned int qp; /* Quantization (line align4) */ +} emma_pp_ptr; + +typedef struct _emma_pp_size { + int width; + int height; +} emma_pp_size; + +/* + * if num.width != 0 + * resize ratio = num.width : den.width + * else + * resize ratio = in.width : out.width + * same for height + */ +typedef struct _emma_pp_scale { + emma_pp_size num; + emma_pp_size den; + emma_pp_size in; /* clip */ + emma_pp_size out; /* 0 -> same as in */ +} emma_pp_scale; + +typedef struct _emma_pp_cfg { + unsigned char operation; /* OR of EN_xx defines */ + + /* + * input color coeff + * fixed pt 8 bits, steps of 1/128 + * csc[5] is 1 or 0 to indicate Y + 16 + * csc[0] is matrix id 0-3 while csc[1-5]=0 + */ + unsigned short csc_table[6]; + + /* + * Output color (shade width, shade offset, pixel resolution) + * Eg. 16bpp RGB565 resolution, the values could be: + * red_width = 5, green_width = 6, blue_width = 6 + * red_offset = 11, green_offset = 5, blue_offset = 0 (defaults) + * rgb_resolution = 16 (default) + * For YUV422: xxx_width=0, blue_offset=PP_PIX_xxx + */ + unsigned short red_width; + unsigned short green_width; + unsigned short blue_width; + /* if offsets are 0, the offsets are by width LSb to MSb B:G:R */ + unsigned short red_offset; + unsigned short blue_offset; + unsigned short green_offset; + /* if resolution is 0, the minimum for the sum of widths is chosen */ + short rgb_resolution; /* 8,16,24 bpp only */ + + emma_pp_ptr ptr; /* dma buffer pointers */ + unsigned int outptr; /* RGB/YUV output */ + emma_pp_scale dim; /* in/out dimensions */ + + /* pixels between two adjacent input Y rows */ + unsigned short in_y_stride; /* 0 = in_width */ + /* PIXELS between two adjacent output rows */ + unsigned short out_stride; /* 0 = out_width */ +} emma_pp_cfg; + +int pp_ptr(unsigned long ptr); +int pp_enable(int flag); +int pp_cfg(vout_data * vout); +int pp_init(vout_data * vout); +int pp_num_last(void); +void pp_exit(vout_data * vout); + +#endif /* __MX27_PP_H__ */ |