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Diffstat (limited to 'include/media/davinci/dm644x_ccdc.h')
| -rw-r--r-- | include/media/davinci/dm644x_ccdc.h | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/include/media/davinci/dm644x_ccdc.h b/include/media/davinci/dm644x_ccdc.h new file mode 100644 index 000000000..c20dba3d7 --- /dev/null +++ b/include/media/davinci/dm644x_ccdc.h @@ -0,0 +1,171 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2006-2009 Texas Instruments Inc + */ +#ifndef _DM644X_CCDC_H +#define _DM644X_CCDC_H +#include <media/davinci/ccdc_types.h> +#include <media/davinci/vpfe_types.h> + +/* enum for No of pixel per line to be avg. in Black Clamping*/ +enum ccdc_sample_length { + CCDC_SAMPLE_1PIXELS, + CCDC_SAMPLE_2PIXELS, + CCDC_SAMPLE_4PIXELS, + CCDC_SAMPLE_8PIXELS, + CCDC_SAMPLE_16PIXELS +}; + +/* enum for No of lines in Black Clamping */ +enum ccdc_sample_line { + CCDC_SAMPLE_1LINES, + CCDC_SAMPLE_2LINES, + CCDC_SAMPLE_4LINES, + CCDC_SAMPLE_8LINES, + CCDC_SAMPLE_16LINES +}; + +/* enum for Alaw gamma width */ +enum ccdc_gamma_width { + CCDC_GAMMA_BITS_15_6, /* use bits 15-6 for gamma */ + CCDC_GAMMA_BITS_14_5, + CCDC_GAMMA_BITS_13_4, + CCDC_GAMMA_BITS_12_3, + CCDC_GAMMA_BITS_11_2, + CCDC_GAMMA_BITS_10_1, + CCDC_GAMMA_BITS_09_0 /* use bits 9-0 for gamma */ +}; + +/* returns the highest bit used for the gamma */ +static inline u8 ccdc_gamma_width_max_bit(enum ccdc_gamma_width width) +{ + return 15 - width; +} + +enum ccdc_data_size { + CCDC_DATA_16BITS, + CCDC_DATA_15BITS, + CCDC_DATA_14BITS, + CCDC_DATA_13BITS, + CCDC_DATA_12BITS, + CCDC_DATA_11BITS, + CCDC_DATA_10BITS, + CCDC_DATA_8BITS +}; + +/* returns the highest bit used for this data size */ +static inline u8 ccdc_data_size_max_bit(enum ccdc_data_size sz) +{ + return sz == CCDC_DATA_8BITS ? 7 : 15 - sz; +} + +/* structure for ALaw */ +struct ccdc_a_law { + /* Enable/disable A-Law */ + unsigned char enable; + /* Gamma Width Input */ + enum ccdc_gamma_width gamma_wd; +}; + +/* structure for Black Clamping */ +struct ccdc_black_clamp { + unsigned char enable; + /* only if bClampEnable is TRUE */ + enum ccdc_sample_length sample_pixel; + /* only if bClampEnable is TRUE */ + enum ccdc_sample_line sample_ln; + /* only if bClampEnable is TRUE */ + unsigned short start_pixel; + /* only if bClampEnable is TRUE */ + unsigned short sgain; + /* only if bClampEnable is FALSE */ + unsigned short dc_sub; +}; + +/* structure for Black Level Compensation */ +struct ccdc_black_compensation { + /* Constant value to subtract from Red component */ + char r; + /* Constant value to subtract from Gr component */ + char gr; + /* Constant value to subtract from Blue component */ + char b; + /* Constant value to subtract from Gb component */ + char gb; +}; + +/* Structure for CCDC configuration parameters for raw capture mode passed + * by application + */ +struct ccdc_config_params_raw { + /* data size value from 8 to 16 bits */ + enum ccdc_data_size data_sz; + /* Structure for Optional A-Law */ + struct ccdc_a_law alaw; + /* Structure for Optical Black Clamp */ + struct ccdc_black_clamp blk_clamp; + /* Structure for Black Compensation */ + struct ccdc_black_compensation blk_comp; +}; + + +#ifdef __KERNEL__ +#include <linux/io.h> +/* Define to enable/disable video port */ +#define FP_NUM_BYTES 4 +/* Define for extra pixel/line and extra lines/frame */ +#define NUM_EXTRAPIXELS 8 +#define NUM_EXTRALINES 8 + +/* settings for commonly used video formats */ +#define CCDC_WIN_PAL {0, 0, 720, 576} +/* ntsc square pixel */ +#define CCDC_WIN_VGA {0, 0, (640 + NUM_EXTRAPIXELS), (480 + NUM_EXTRALINES)} + +/* Structure for CCDC configuration parameters for raw capture mode */ +struct ccdc_params_raw { + /* pixel format */ + enum ccdc_pixfmt pix_fmt; + /* progressive or interlaced frame */ + enum ccdc_frmfmt frm_fmt; + /* video window */ + struct v4l2_rect win; + /* field id polarity */ + enum vpfe_pin_pol fid_pol; + /* vertical sync polarity */ + enum vpfe_pin_pol vd_pol; + /* horizontal sync polarity */ + enum vpfe_pin_pol hd_pol; + /* interleaved or separated fields */ + enum ccdc_buftype buf_type; + /* + * enable to store the image in inverse + * order in memory(bottom to top) + */ + unsigned char image_invert_enable; + /* configurable parameters */ + struct ccdc_config_params_raw config_params; +}; + +struct ccdc_params_ycbcr { + /* pixel format */ + enum ccdc_pixfmt pix_fmt; + /* progressive or interlaced frame */ + enum ccdc_frmfmt frm_fmt; + /* video window */ + struct v4l2_rect win; + /* field id polarity */ + enum vpfe_pin_pol fid_pol; + /* vertical sync polarity */ + enum vpfe_pin_pol vd_pol; + /* horizontal sync polarity */ + enum vpfe_pin_pol hd_pol; + /* enable BT.656 embedded sync mode */ + int bt656_enable; + /* cb:y:cr:y or y:cb:y:cr in memory */ + enum ccdc_pixorder pix_order; + /* interleaved or separated fields */ + enum ccdc_buftype buf_type; +}; +#endif +#endif /* _DM644X_CCDC_H */ |