From 5f15fbb68fd774780a7fa8fe25a88e4c9e518109 Mon Sep 17 00:00:00 2001 From: Muralidharan Karicheri Date: Fri, 19 Jun 2009 09:18:14 -0300 Subject: V4L/DVB (12251): v4l: dm644x ccdc module for vpfe capture driver This is the hw module for DM644x CCDC. This registers with the vpfe capture driver and provides a set of hw_ops to configure CCDC for a specific decoder device connected to the VPFE. Reviewed by: Hans Verkuil Reviewed by: Laurent Pinchart Signed-off-by: Muralidharan Karicheri Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- include/media/davinci/dm644x_ccdc.h | 184 ++++++++++++++++++++++++++++++++++++ 1 file changed, 184 insertions(+) create mode 100644 include/media/davinci/dm644x_ccdc.h (limited to 'include') diff --git a/include/media/davinci/dm644x_ccdc.h b/include/media/davinci/dm644x_ccdc.h new file mode 100644 index 0000000..3e178eb --- /dev/null +++ b/include/media/davinci/dm644x_ccdc.h @@ -0,0 +1,184 @@ +/* + * Copyright (C) 2006-2009 Texas Instruments Inc + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef _DM644X_CCDC_H +#define _DM644X_CCDC_H +#include +#include + +/* 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 gama width */ +enum ccdc_gama_width { + CCDC_GAMMA_BITS_15_6, + 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 +}; + +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 +}; + +/* structure for ALaw */ +struct ccdc_a_law { + /* Enable/disable A-Law */ + unsigned char enable; + /* Gama Width Input */ + enum ccdc_gama_width gama_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 fault pixel correction */ +struct ccdc_fault_pixel { + /* Enable or Disable fault pixel correction */ + unsigned char enable; + /* Number of fault pixel */ + unsigned short fp_num; + /* Address of fault pixel table */ + unsigned int fpc_table_addr; +}; + +/* 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; + /* Structure for Fault Pixel Module Configuration */ + struct ccdc_fault_pixel fault_pxl; +}; + + +#ifdef __KERNEL__ +#include +/* 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 paramaters */ + 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 */ -- cgit v1.1