V4L/DVB (12250): v4l: dm355 ccdc module for vpfe capture driver
Adds ccdc hw module for DM355 CCDC. This registers with the bridge
driver a set of hw_ops for configuring the CCDC for a specific
decoder device connected to vpfe.
Reviewed by: Hans Verkuil <hverkuil@xs4all.nl>
Reviewed by: Laurent Pinchart <laurent.pinchart@skynet.be>
Reviewed by: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Muralidharan Karicheri <m-karicheri2@ti.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/include/media/davinci/dm355_ccdc.h b/include/media/davinci/dm355_ccdc.h
new file mode 100644
index 0000000..df8a7b1
--- /dev/null
+++ b/include/media/davinci/dm355_ccdc.h
@@ -0,0 +1,321 @@
+/*
+ * Copyright (C) 2005-2009 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 _DM355_CCDC_H
+#define _DM355_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 gama width */
+enum ccdc_gamma_width {
+ 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_colpats {
+ CCDC_RED,
+ CCDC_GREEN_RED,
+ CCDC_GREEN_BLUE,
+ CCDC_BLUE
+};
+
+struct ccdc_col_pat {
+ enum ccdc_colpats olop;
+ enum ccdc_colpats olep;
+ enum ccdc_colpats elop;
+ enum ccdc_colpats elep;
+};
+
+enum ccdc_datasft {
+ CCDC_DATA_NO_SHIFT,
+ CCDC_DATA_SHIFT_1BIT,
+ CCDC_DATA_SHIFT_2BIT,
+ CCDC_DATA_SHIFT_3BIT,
+ CCDC_DATA_SHIFT_4BIT,
+ CCDC_DATA_SHIFT_5BIT,
+ CCDC_DATA_SHIFT_6BIT
+};
+
+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
+};
+enum ccdc_mfilt1 {
+ CCDC_NO_MEDIAN_FILTER1,
+ CCDC_AVERAGE_FILTER1,
+ CCDC_MEDIAN_FILTER1
+};
+
+enum ccdc_mfilt2 {
+ CCDC_NO_MEDIAN_FILTER2,
+ CCDC_AVERAGE_FILTER2,
+ CCDC_MEDIAN_FILTER2
+};
+
+/* structure for ALaw */
+struct ccdc_a_law {
+ /* Enable/disable A-Law */
+ unsigned char enable;
+ /* Gama Width Input */
+ enum ccdc_gamma_width gama_wd;
+};
+
+/* structure for Black Clamping */
+struct ccdc_black_clamp {
+ /* only if bClampEnable is TRUE */
+ unsigned char b_clamp_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 FALSE */
+ unsigned short sgain;
+ unsigned short dc_sub;
+};
+
+/* structure for Black Level Compensation */
+struct ccdc_black_compensation {
+ /* Constant value to subtract from Red component */
+ unsigned char r;
+ /* Constant value to subtract from Gr component */
+ unsigned char gr;
+ /* Constant value to subtract from Blue component */
+ unsigned char b;
+ /* Constant value to subtract from Gb component */
+ unsigned char gb;
+};
+
+struct ccdc_float {
+ int integer;
+ unsigned int decimal;
+};
+
+#define CCDC_CSC_COEFF_TABLE_SIZE 16
+/* structure for color space converter */
+struct ccdc_csc {
+ unsigned char enable;
+ /*
+ * S8Q5. Use 2 decimal precision, user values range from -3.00 to 3.99.
+ * example - to use 1.03, set integer part as 1, and decimal part as 3
+ * to use -1.03, set integer part as -1 and decimal part as 3
+ */
+ struct ccdc_float coeff[CCDC_CSC_COEFF_TABLE_SIZE];
+};
+
+/* Structures for Vertical Defect Correction*/
+enum ccdc_vdf_csl {
+ CCDC_VDF_NORMAL,
+ CCDC_VDF_HORZ_INTERPOL_SAT,
+ CCDC_VDF_HORZ_INTERPOL
+};
+
+enum ccdc_vdf_cuda {
+ CCDC_VDF_WHOLE_LINE_CORRECT,
+ CCDC_VDF_UPPER_DISABLE
+};
+
+enum ccdc_dfc_mwr {
+ CCDC_DFC_MWR_WRITE_COMPLETE,
+ CCDC_DFC_WRITE_REG
+};
+
+enum ccdc_dfc_mrd {
+ CCDC_DFC_READ_COMPLETE,
+ CCDC_DFC_READ_REG
+};
+
+enum ccdc_dfc_ma_rst {
+ CCDC_DFC_INCR_ADDR,
+ CCDC_DFC_CLR_ADDR
+};
+
+enum ccdc_dfc_mclr {
+ CCDC_DFC_CLEAR_COMPLETE,
+ CCDC_DFC_CLEAR
+};
+
+struct ccdc_dft_corr_ctl {
+ enum ccdc_vdf_csl vdfcsl;
+ enum ccdc_vdf_cuda vdfcuda;
+ unsigned int vdflsft;
+};
+
+struct ccdc_dft_corr_mem_ctl {
+ enum ccdc_dfc_mwr dfcmwr;
+ enum ccdc_dfc_mrd dfcmrd;
+ enum ccdc_dfc_ma_rst dfcmarst;
+ enum ccdc_dfc_mclr dfcmclr;
+};
+
+#define CCDC_DFT_TABLE_SIZE 16
+/*
+ * Main Structure for vertical defect correction. Vertical defect
+ * correction can correct upto 16 defects if defects less than 16
+ * then pad the rest with 0
+ */
+struct ccdc_vertical_dft {
+ unsigned char ver_dft_en;
+ unsigned char gen_dft_en;
+ unsigned int saturation_ctl;
+ struct ccdc_dft_corr_ctl dft_corr_ctl;
+ struct ccdc_dft_corr_mem_ctl dft_corr_mem_ctl;
+ int table_size;
+ unsigned int dft_corr_horz[CCDC_DFT_TABLE_SIZE];
+ unsigned int dft_corr_vert[CCDC_DFT_TABLE_SIZE];
+ unsigned int dft_corr_sub1[CCDC_DFT_TABLE_SIZE];
+ unsigned int dft_corr_sub2[CCDC_DFT_TABLE_SIZE];
+ unsigned int dft_corr_sub3[CCDC_DFT_TABLE_SIZE];
+};
+
+struct ccdc_data_offset {
+ unsigned char horz_offset;
+ unsigned char vert_offset;
+};
+
+/*
+ * Structure for CCDC configuration parameters for raw capture mode passed
+ * by application
+ */
+struct ccdc_config_params_raw {
+ /* data shift to be applied before storing */
+ enum ccdc_datasft datasft;
+ /* data size value from 8 to 16 bits */
+ enum ccdc_data_size data_sz;
+ /* median filter for sdram */
+ enum ccdc_mfilt1 mfilt1;
+ enum ccdc_mfilt2 mfilt2;
+ /* low pass filter enable/disable */
+ unsigned char lpf_enable;
+ /* Threshold of median filter */
+ int med_filt_thres;
+ /*
+ * horz and vertical data offset. Appliable for defect correction
+ * and lsc
+ */
+ struct ccdc_data_offset data_offset;
+ /* 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;
+ /* struture for vertical Defect Correction Module Configuration */
+ struct ccdc_vertical_dft vertical_dft;
+ /* structure for color space converter Module Configuration */
+ struct ccdc_csc csc;
+ /* color patters for bayer capture */
+ struct ccdc_col_pat col_pat_field0;
+ struct ccdc_col_pat col_pat_field1;
+};
+
+#ifdef __KERNEL__
+#include <linux/io.h>
+
+#define CCDC_WIN_PAL {0, 0, 720, 576}
+#define CCDC_WIN_VGA {0, 0, 640, 480}
+
+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;
+};
+
+/* Gain applied to Raw Bayer data */
+struct ccdc_gain {
+ unsigned short r_ye;
+ unsigned short gr_cy;
+ unsigned short gb_g;
+ unsigned short b_mg;
+};
+
+/* 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;
+ /* Gain values */
+ struct ccdc_gain gain;
+ /* offset */
+ unsigned int ccdc_offset;
+ /* horizontal flip enable */
+ unsigned char horz_flip_enable;
+ /*
+ * enable to store the image in inverse order in memory
+ * (bottom to top)
+ */
+ unsigned char image_invert_enable;
+ /* Configurable part of raw data */
+ struct ccdc_config_params_raw config_params;
+};
+
+#endif
+#endif /* DM355_CCDC_H */