drivers/staging/media/davinci_vpfe/dm365_isif.h

   1 /*
   2  * Copyright (C) 2012 Texas Instruments Inc
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation version 2.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, write to the Free Software
  15  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16  *
  17  * Contributors:
  18  *      Manjunath Hadli <manjunath.hadli@ti.com>
  19  *      Prabhakar Lad <prabhakar.lad@ti.com>
  20  */
  21
  22 #ifndef _DAVINCI_VPFE_DM365_ISIF_H
  23 #define _DAVINCI_VPFE_DM365_ISIF_H
  24
  25 #include <linux/platform_device.h>
  26
  27 #include <mach/mux.h>
  28
  29 #include <media/davinci/vpfe_types.h>
  30 #include <media/v4l2-ctrls.h>
  31 #include <media/v4l2-device.h>
  32
  33 #include "davinci_vpfe_user.h"
  34 #include "dm365_isif_regs.h"
  35 #include "vpfe_video.h"
  36
  37 #define ISIF_CULLING_HCAPT_ODD          0xff
  38 #define ISIF_CULLING_HCAPT_EVEN         0xff
  39 #define ISIF_CULLING_VCAPT              0xff
  40
  41 #define ISIF_CADU_BITS                  0x07ff
  42 #define ISIF_CADL_BITS                  0x0ffff
  43
  44 enum isif_pixfmt {
  45         ISIF_PIXFMT_RAW = 0,
  46         ISIF_PIXFMT_YCBCR_16BIT = 1,
  47         ISIF_PIXFMT_YCBCR_8BIT = 2,
  48 };
  49
  50 enum isif_frmfmt {
  51         ISIF_FRMFMT_PROGRESSIVE = 0,
  52         ISIF_FRMFMT_INTERLACED = 1,
  53 };
  54
  55 /* PIXEL ORDER IN MEMORY from LSB to MSB */
  56 /* only applicable for 8-bit input mode  */
  57 enum isif_pixorder {
  58         ISIF_PIXORDER_YCBYCR = 0,
  59         ISIF_PIXORDER_CBYCRY = 1,
  60 };
  61
  62 enum isif_buftype {
  63         ISIF_BUFTYPE_FLD_INTERLEAVED = 0,
  64         ISIF_BUFTYPE_FLD_SEPARATED = 1,
  65 };
  66
  67 struct isif_ycbcr_config {
  68         /* v4l2 pixel format */
  69         unsigned long v4l2_pix_fmt;
  70         /* isif pixel format */
  71         enum isif_pixfmt pix_fmt;
  72         /* isif frame format */
  73         enum isif_frmfmt frm_fmt;
  74         /* isif crop window */
  75         struct v4l2_rect win;
  76         /* field polarity */
  77         enum vpfe_pin_pol fid_pol;
  78         /* interface VD polarity */
  79         enum vpfe_pin_pol vd_pol;
  80         /* interface HD polarity */
  81         enum vpfe_pin_pol hd_pol;
  82         /* isif pix order. Only used for ycbcr capture */
  83         enum isif_pixorder pix_order;
  84         /* isif buffer type. Only used for ycbcr capture */
  85         enum isif_buftype buf_type;
  86 };
  87
  88 enum isif_cfa_pattern {
  89         ISIF_CFA_PAT_MOSAIC = 0,
  90         ISIF_CFA_PAT_STRIPE = 1,
  91 };
  92
  93 enum isif_data_msb {
  94         /* MSB b15 */
  95         ISIF_BIT_MSB_15 = 0,
  96         /* MSB b14 */
  97         ISIF_BIT_MSB_14 = 1,
  98         /* MSB b13 */
  99         ISIF_BIT_MSB_13 = 2,
 100         /* MSB b12 */
 101         ISIF_BIT_MSB_12 = 3,
 102         /* MSB b11 */
 103         ISIF_BIT_MSB_11 = 4,
 104         /* MSB b10 */
 105         ISIF_BIT_MSB_10 = 5,
 106         /* MSB b9 */
 107         ISIF_BIT_MSB_9 = 6,
 108         /* MSB b8 */
 109         ISIF_BIT_MSB_8 = 7,
 110         /* MSB b7 */
 111         ISIF_BIT_MSB_7 = 8,
 112 };
 113
 114 struct isif_params_raw {
 115         /* v4l2 pixel format */
 116         unsigned long v4l2_pix_fmt;
 117         /* isif pixel format */
 118         enum isif_pixfmt pix_fmt;
 119         /* isif frame format */
 120         enum isif_frmfmt frm_fmt;
 121         /* video window */
 122         struct v4l2_rect win;
 123         /* field polarity */
 124         enum vpfe_pin_pol fid_pol;
 125         /* interface VD polarity */
 126         enum vpfe_pin_pol vd_pol;
 127         /* interface HD polarity */
 128         enum vpfe_pin_pol hd_pol;
 129         /* buffer type. Applicable for interlaced mode */
 130         enum isif_buftype buf_type;
 131         /* cfa pattern */
 132         enum isif_cfa_pattern cfa_pat;
 133         /* Data MSB position */
 134         enum isif_data_msb data_msb;
 135         /* Enable horizontal flip */
 136         unsigned char horz_flip_en;
 137         /* Enable image invert vertically */
 138         unsigned char image_invert_en;
 139         unsigned char dpcm_predictor;
 140         struct vpfe_isif_raw_config config_params;
 141 };
 142
 143 enum isif_data_pack {
 144         ISIF_PACK_16BIT = 0,
 145         ISIF_PACK_12BIT = 1,
 146         ISIF_PACK_8BIT = 2,
 147 };
 148
 149 struct isif_gain_values {
 150         unsigned int cr_gain;
 151         unsigned int cgr_gain;
 152         unsigned int cgb_gain;
 153         unsigned int cb_gain;
 154         unsigned int offset;
 155 };
 156
 157 struct isif_oper_config {
 158         struct isif_ycbcr_config ycbcr;
 159         struct isif_params_raw bayer;
 160         enum isif_data_pack data_pack;
 161         struct isif_gain_values isif_gain_params;
 162         void __iomem *base_addr;
 163         void __iomem *linear_tbl0_addr;
 164         void __iomem *linear_tbl1_addr;
 165 };
 166
 167 #define ISIF_PAD_SINK      0
 168 #define ISIF_PAD_SOURCE    1
 169
 170 #define ISIF_PADS_NUM      2
 171
 172 enum isif_input_entity {
 173         ISIF_INPUT_NONE = 0,
 174         ISIF_INPUT_PARALLEL = 1,
 175 };
 176
 177 #define ISIF_OUTPUT_NONE        (0)
 178 #define ISIF_OUTPUT_MEMORY      (1 << 0)
 179 #define ISIF_OUTPUT_IPIPEIF     (1 << 1)
 180
 181 struct vpfe_isif_device {
 182         struct v4l2_subdev              subdev;
 183         struct media_pad                pads[ISIF_PADS_NUM];
 184         struct v4l2_mbus_framefmt       formats[ISIF_PADS_NUM];
 185         enum isif_input_entity          input;
 186         unsigned int                    output;
 187         struct v4l2_ctrl_handler        ctrls;
 188         struct v4l2_rect                crop;
 189         struct isif_oper_config         isif_cfg;
 190         struct vpfe_video_device        video_out;
 191 };
 192
 193 enum v4l2_field vpfe_isif_get_fid(struct vpfe_device *vpfe_dev);
 194 void vpfe_isif_unregister_entities(struct vpfe_isif_device *isif);
 195 int vpfe_isif_register_entities(struct vpfe_isif_device *isif,
 196                                 struct v4l2_device *dev);
 197 int vpfe_isif_init(struct vpfe_isif_device *isif, struct platform_device *pdev);
 198 void vpfe_isif_cleanup(struct vpfe_isif_device *vpfe_isif,
 199                        struct platform_device *pdev);
 200 void vpfe_isif_vidint1_isr(struct vpfe_isif_device *isif);
 201 void vpfe_isif_buffer_isr(struct vpfe_isif_device *isif);
 202
 203 #endif          /* _DAVINCI_VPFE_DM365_ISIF_H */