linux/include/media/davinci/vpbe_osd.h
<<
>>
Prefs
   1/*
   2 * Copyright (C) 2007-2009 Texas Instruments Inc
   3 * Copyright (C) 2007 MontaVista Software, Inc.
   4 *
   5 * Andy Lowe (alowe@mvista.com), MontaVista Software
   6 * - Initial version
   7 * Murali Karicheri (mkaricheri@gmail.com), Texas Instruments Ltd.
   8 * - ported to sub device interface
   9 *
  10 * This program is free software; you can redistribute it and/or modify
  11 * it under the terms of the GNU General Public License as published by
  12 * the Free Software Foundation version 2..
  13 *
  14 * This program is distributed in the hope that it will be useful,
  15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 * GNU General Public License for more details.
  18 *
  19 * You should have received a copy of the GNU General Public License
  20 * along with this program; if not, write to the Free Software
  21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22 *
  23 */
  24#ifndef _OSD_H
  25#define _OSD_H
  26
  27#include <media/davinci/vpbe_types.h>
  28
  29#define VPBE_OSD_SUBDEV_NAME "vpbe-osd"
  30
  31/**
  32 * enum osd_layer
  33 * @WIN_OSD0: On-Screen Display Window 0
  34 * @WIN_VID0: Video Window 0
  35 * @WIN_OSD1: On-Screen Display Window 1
  36 * @WIN_VID1: Video Window 1
  37 *
  38 * Description:
  39 * An enumeration of the osd display layers.
  40 */
  41enum osd_layer {
  42        WIN_OSD0,
  43        WIN_VID0,
  44        WIN_OSD1,
  45        WIN_VID1,
  46};
  47
  48/**
  49 * enum osd_win_layer
  50 * @OSDWIN_OSD0: On-Screen Display Window 0
  51 * @OSDWIN_OSD1: On-Screen Display Window 1
  52 *
  53 * Description:
  54 * An enumeration of the OSD Window layers.
  55 */
  56enum osd_win_layer {
  57        OSDWIN_OSD0,
  58        OSDWIN_OSD1,
  59};
  60
  61/**
  62 * enum osd_pix_format
  63 * @PIXFMT_1BPP: 1-bit-per-pixel bitmap
  64 * @PIXFMT_2BPP: 2-bits-per-pixel bitmap
  65 * @PIXFMT_4BPP: 4-bits-per-pixel bitmap
  66 * @PIXFMT_8BPP: 8-bits-per-pixel bitmap
  67 * @PIXFMT_RGB565: 16-bits-per-pixel RGB565
  68 * @PIXFMT_YCbCrI: YUV 4:2:2
  69 * @PIXFMT_RGB888: 24-bits-per-pixel RGB888
  70 * @PIXFMT_YCrCbI: YUV 4:2:2 with chroma swap
  71 * @PIXFMT_NV12: YUV 4:2:0 planar
  72 * @PIXFMT_OSD_ATTR: OSD Attribute Window pixel format (4bpp)
  73 *
  74 * Description:
  75 * An enumeration of the DaVinci pixel formats.
  76 */
  77enum osd_pix_format {
  78        PIXFMT_1BPP = 0,
  79        PIXFMT_2BPP,
  80        PIXFMT_4BPP,
  81        PIXFMT_8BPP,
  82        PIXFMT_RGB565,
  83        PIXFMT_YCbCrI,
  84        PIXFMT_RGB888,
  85        PIXFMT_YCrCbI,
  86        PIXFMT_NV12,
  87        PIXFMT_OSD_ATTR,
  88};
  89
  90/**
  91 * enum osd_h_exp_ratio
  92 * @H_EXP_OFF: no expansion (1/1)
  93 * @H_EXP_9_OVER_8: 9/8 expansion ratio
  94 * @H_EXP_3_OVER_2: 3/2 expansion ratio
  95 *
  96 * Description:
  97 * An enumeration of the available horizontal expansion ratios.
  98 */
  99enum osd_h_exp_ratio {
 100        H_EXP_OFF,
 101        H_EXP_9_OVER_8,
 102        H_EXP_3_OVER_2,
 103};
 104
 105/**
 106 * enum osd_v_exp_ratio
 107 * @V_EXP_OFF: no expansion (1/1)
 108 * @V_EXP_6_OVER_5: 6/5 expansion ratio
 109 *
 110 * Description:
 111 * An enumeration of the available vertical expansion ratios.
 112 */
 113enum osd_v_exp_ratio {
 114        V_EXP_OFF,
 115        V_EXP_6_OVER_5,
 116};
 117
 118/**
 119 * enum osd_zoom_factor
 120 * @ZOOM_X1: no zoom (x1)
 121 * @ZOOM_X2: x2 zoom
 122 * @ZOOM_X4: x4 zoom
 123 *
 124 * Description:
 125 * An enumeration of the available zoom factors.
 126 */
 127enum osd_zoom_factor {
 128        ZOOM_X1,
 129        ZOOM_X2,
 130        ZOOM_X4,
 131};
 132
 133/**
 134 * enum osd_clut
 135 * @ROM_CLUT: ROM CLUT
 136 * @RAM_CLUT: RAM CLUT
 137 *
 138 * Description:
 139 * An enumeration of the available Color Lookup Tables (CLUTs).
 140 */
 141enum osd_clut {
 142        ROM_CLUT,
 143        RAM_CLUT,
 144};
 145
 146/**
 147 * enum osd_rom_clut
 148 * @ROM_CLUT0: Macintosh CLUT
 149 * @ROM_CLUT1: CLUT from DM270 and prior devices
 150 *
 151 * Description:
 152 * An enumeration of the ROM Color Lookup Table (CLUT) options.
 153 */
 154enum osd_rom_clut {
 155        ROM_CLUT0,
 156        ROM_CLUT1,
 157};
 158
 159/**
 160 * enum osd_blending_factor
 161 * @OSD_0_VID_8: OSD pixels are fully transparent
 162 * @OSD_1_VID_7: OSD pixels contribute 1/8, video pixels contribute 7/8
 163 * @OSD_2_VID_6: OSD pixels contribute 2/8, video pixels contribute 6/8
 164 * @OSD_3_VID_5: OSD pixels contribute 3/8, video pixels contribute 5/8
 165 * @OSD_4_VID_4: OSD pixels contribute 4/8, video pixels contribute 4/8
 166 * @OSD_5_VID_3: OSD pixels contribute 5/8, video pixels contribute 3/8
 167 * @OSD_6_VID_2: OSD pixels contribute 6/8, video pixels contribute 2/8
 168 * @OSD_8_VID_0: OSD pixels are fully opaque
 169 *
 170 * Description:
 171 * An enumeration of the DaVinci pixel blending factor options.
 172 */
 173enum osd_blending_factor {
 174        OSD_0_VID_8,
 175        OSD_1_VID_7,
 176        OSD_2_VID_6,
 177        OSD_3_VID_5,
 178        OSD_4_VID_4,
 179        OSD_5_VID_3,
 180        OSD_6_VID_2,
 181        OSD_8_VID_0,
 182};
 183
 184/**
 185 * enum osd_blink_interval
 186 * @BLINK_X1: blink interval is 1 vertical refresh cycle
 187 * @BLINK_X2: blink interval is 2 vertical refresh cycles
 188 * @BLINK_X3: blink interval is 3 vertical refresh cycles
 189 * @BLINK_X4: blink interval is 4 vertical refresh cycles
 190 *
 191 * Description:
 192 * An enumeration of the DaVinci pixel blinking interval options.
 193 */
 194enum osd_blink_interval {
 195        BLINK_X1,
 196        BLINK_X2,
 197        BLINK_X3,
 198        BLINK_X4,
 199};
 200
 201/**
 202 * enum osd_cursor_h_width
 203 * @H_WIDTH_1: horizontal line width is 1 pixel
 204 * @H_WIDTH_4: horizontal line width is 4 pixels
 205 * @H_WIDTH_8: horizontal line width is 8 pixels
 206 * @H_WIDTH_12: horizontal line width is 12 pixels
 207 * @H_WIDTH_16: horizontal line width is 16 pixels
 208 * @H_WIDTH_20: horizontal line width is 20 pixels
 209 * @H_WIDTH_24: horizontal line width is 24 pixels
 210 * @H_WIDTH_28: horizontal line width is 28 pixels
 211 */
 212enum osd_cursor_h_width {
 213        H_WIDTH_1,
 214        H_WIDTH_4,
 215        H_WIDTH_8,
 216        H_WIDTH_12,
 217        H_WIDTH_16,
 218        H_WIDTH_20,
 219        H_WIDTH_24,
 220        H_WIDTH_28,
 221};
 222
 223/**
 224 * enum davinci_cursor_v_width
 225 * @V_WIDTH_1: vertical line width is 1 line
 226 * @V_WIDTH_2: vertical line width is 2 lines
 227 * @V_WIDTH_4: vertical line width is 4 lines
 228 * @V_WIDTH_6: vertical line width is 6 lines
 229 * @V_WIDTH_8: vertical line width is 8 lines
 230 * @V_WIDTH_10: vertical line width is 10 lines
 231 * @V_WIDTH_12: vertical line width is 12 lines
 232 * @V_WIDTH_14: vertical line width is 14 lines
 233 */
 234enum osd_cursor_v_width {
 235        V_WIDTH_1,
 236        V_WIDTH_2,
 237        V_WIDTH_4,
 238        V_WIDTH_6,
 239        V_WIDTH_8,
 240        V_WIDTH_10,
 241        V_WIDTH_12,
 242        V_WIDTH_14,
 243};
 244
 245/**
 246 * struct osd_cursor_config
 247 * @xsize: horizontal size in pixels
 248 * @ysize: vertical size in lines
 249 * @xpos: horizontal offset in pixels from the left edge of the display
 250 * @ypos: vertical offset in lines from the top of the display
 251 * @interlaced: Non-zero if the display is interlaced, or zero otherwise
 252 * @h_width: horizontal line width
 253 * @v_width: vertical line width
 254 * @clut: the CLUT selector (ROM or RAM) for the cursor color
 255 * @clut_index: an index into the CLUT for the cursor color
 256 *
 257 * Description:
 258 * A structure describing the configuration parameters of the hardware
 259 * rectangular cursor.
 260 */
 261struct osd_cursor_config {
 262        unsigned xsize;
 263        unsigned ysize;
 264        unsigned xpos;
 265        unsigned ypos;
 266        int interlaced;
 267        enum osd_cursor_h_width h_width;
 268        enum osd_cursor_v_width v_width;
 269        enum osd_clut clut;
 270        unsigned char clut_index;
 271};
 272
 273/**
 274 * struct osd_layer_config
 275 * @pixfmt: pixel format
 276 * @line_length: offset in bytes between start of each line in memory
 277 * @xsize: number of horizontal pixels displayed per line
 278 * @ysize: number of lines displayed
 279 * @xpos: horizontal offset in pixels from the left edge of the display
 280 * @ypos: vertical offset in lines from the top of the display
 281 * @interlaced: Non-zero if the display is interlaced, or zero otherwise
 282 *
 283 * Description:
 284 * A structure describing the configuration parameters of an On-Screen Display
 285 * (OSD) or video layer related to how the image is stored in memory.
 286 * @line_length must be a multiple of the cache line size (32 bytes).
 287 */
 288struct osd_layer_config {
 289        enum osd_pix_format pixfmt;
 290        unsigned line_length;
 291        unsigned xsize;
 292        unsigned ysize;
 293        unsigned xpos;
 294        unsigned ypos;
 295        int interlaced;
 296};
 297
 298/* parameters that apply on a per-window (OSD or video) basis */
 299struct osd_window_state {
 300        int is_allocated;
 301        int is_enabled;
 302        unsigned long fb_base_phys;
 303        enum osd_zoom_factor h_zoom;
 304        enum osd_zoom_factor v_zoom;
 305        struct osd_layer_config lconfig;
 306};
 307
 308/* parameters that apply on a per-OSD-window basis */
 309struct osd_osdwin_state {
 310        enum osd_clut clut;
 311        enum osd_blending_factor blend;
 312        int colorkey_blending;
 313        unsigned colorkey;
 314        int rec601_attenuation;
 315        /* index is pixel value */
 316        unsigned char palette_map[16];
 317};
 318
 319/* hardware rectangular cursor parameters */
 320struct osd_cursor_state {
 321        int is_enabled;
 322        struct osd_cursor_config config;
 323};
 324
 325struct osd_state;
 326
 327struct vpbe_osd_ops {
 328        int (*initialize)(struct osd_state *sd);
 329        int (*request_layer)(struct osd_state *sd, enum osd_layer layer);
 330        void (*release_layer)(struct osd_state *sd, enum osd_layer layer);
 331        int (*enable_layer)(struct osd_state *sd, enum osd_layer layer,
 332                            int otherwin);
 333        void (*disable_layer)(struct osd_state *sd, enum osd_layer layer);
 334        int (*set_layer_config)(struct osd_state *sd, enum osd_layer layer,
 335                                struct osd_layer_config *lconfig);
 336        void (*get_layer_config)(struct osd_state *sd, enum osd_layer layer,
 337                                 struct osd_layer_config *lconfig);
 338        void (*start_layer)(struct osd_state *sd, enum osd_layer layer,
 339                            unsigned long fb_base_phys,
 340                            unsigned long cbcr_ofst);
 341        void (*set_left_margin)(struct osd_state *sd, u32 val);
 342        void (*set_top_margin)(struct osd_state *sd, u32 val);
 343        void (*set_interpolation_filter)(struct osd_state *sd, int filter);
 344        int (*set_vid_expansion)(struct osd_state *sd,
 345                                        enum osd_h_exp_ratio h_exp,
 346                                        enum osd_v_exp_ratio v_exp);
 347        void (*get_vid_expansion)(struct osd_state *sd,
 348                                        enum osd_h_exp_ratio *h_exp,
 349                                        enum osd_v_exp_ratio *v_exp);
 350        void (*set_zoom)(struct osd_state *sd, enum osd_layer layer,
 351                                enum osd_zoom_factor h_zoom,
 352                                enum osd_zoom_factor v_zoom);
 353};
 354
 355struct osd_state {
 356        enum vpbe_version vpbe_type;
 357        spinlock_t lock;
 358        struct device *dev;
 359        dma_addr_t osd_base_phys;
 360        unsigned long osd_base;
 361        unsigned long osd_size;
 362        /* 1-->the isr will toggle the VID0 ping-pong buffer */
 363        int pingpong;
 364        int interpolation_filter;
 365        int field_inversion;
 366        enum osd_h_exp_ratio osd_h_exp;
 367        enum osd_v_exp_ratio osd_v_exp;
 368        enum osd_h_exp_ratio vid_h_exp;
 369        enum osd_v_exp_ratio vid_v_exp;
 370        enum osd_clut backg_clut;
 371        unsigned backg_clut_index;
 372        enum osd_rom_clut rom_clut;
 373        int is_blinking;
 374        /* attribute window blinking enabled */
 375        enum osd_blink_interval blink;
 376        /* YCbCrI or YCrCbI */
 377        enum osd_pix_format yc_pixfmt;
 378        /* columns are Y, Cb, Cr */
 379        unsigned char clut_ram[256][3];
 380        struct osd_cursor_state cursor;
 381        /* OSD0, VID0, OSD1, VID1 */
 382        struct osd_window_state win[4];
 383        /* OSD0, OSD1 */
 384        struct osd_osdwin_state osdwin[2];
 385        /* OSD device Operations */
 386        struct vpbe_osd_ops ops;
 387};
 388
 389struct osd_platform_data {
 390        enum vpbe_version vpbe_type;
 391        int  field_inv_wa_enable;
 392};
 393
 394#endif
 395