include/media/davinci/vpbe_osd.h

   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  */
  20 #ifndef _OSD_H
  21 #define _OSD_H
  22
  23 #include <media/davinci/vpbe_types.h>
  24
  25 #define DM644X_VPBE_OSD_SUBDEV_NAME     "dm644x,vpbe-osd"
  26 #define DM365_VPBE_OSD_SUBDEV_NAME      "dm365,vpbe-osd"
  27 #define DM355_VPBE_OSD_SUBDEV_NAME      "dm355,vpbe-osd"
  28
  29 /**
  30  * enum osd_layer
  31  * @WIN_OSD0: On-Screen Display Window 0
  32  * @WIN_VID0: Video Window 0
  33  * @WIN_OSD1: On-Screen Display Window 1
  34  * @WIN_VID1: Video Window 1
  35  *
  36  * Description:
  37  * An enumeration of the osd display layers.
  38  */
  39 enum osd_layer {
  40         WIN_OSD0,
  41         WIN_VID0,
  42         WIN_OSD1,
  43         WIN_VID1,
  44 };
  45
  46 /**
  47  * enum osd_win_layer
  48  * @OSDWIN_OSD0: On-Screen Display Window 0
  49  * @OSDWIN_OSD1: On-Screen Display Window 1
  50  *
  51  * Description:
  52  * An enumeration of the OSD Window layers.
  53  */
  54 enum osd_win_layer {
  55         OSDWIN_OSD0,
  56         OSDWIN_OSD1,
  57 };
  58
  59 /**
  60  * enum osd_pix_format
  61  * @PIXFMT_1BPP: 1-bit-per-pixel bitmap
  62  * @PIXFMT_2BPP: 2-bits-per-pixel bitmap
  63  * @PIXFMT_4BPP: 4-bits-per-pixel bitmap
  64  * @PIXFMT_8BPP: 8-bits-per-pixel bitmap
  65  * @PIXFMT_RGB565: 16-bits-per-pixel RGB565
  66  * @PIXFMT_YCbCrI: YUV 4:2:2
  67  * @PIXFMT_RGB888: 24-bits-per-pixel RGB888
  68  * @PIXFMT_YCrCbI: YUV 4:2:2 with chroma swap
  69  * @PIXFMT_NV12: YUV 4:2:0 planar
  70  * @PIXFMT_OSD_ATTR: OSD Attribute Window pixel format (4bpp)
  71  *
  72  * Description:
  73  * An enumeration of the DaVinci pixel formats.
  74  */
  75 enum osd_pix_format {
  76         PIXFMT_1BPP = 0,
  77         PIXFMT_2BPP,
  78         PIXFMT_4BPP,
  79         PIXFMT_8BPP,
  80         PIXFMT_RGB565,
  81         PIXFMT_YCBCRI,
  82         PIXFMT_RGB888,
  83         PIXFMT_YCRCBI,
  84         PIXFMT_NV12,
  85         PIXFMT_OSD_ATTR,
  86 };
  87
  88 /**
  89  * enum osd_h_exp_ratio
  90  * @H_EXP_OFF: no expansion (1/1)
  91  * @H_EXP_9_OVER_8: 9/8 expansion ratio
  92  * @H_EXP_3_OVER_2: 3/2 expansion ratio
  93  *
  94  * Description:
  95  * An enumeration of the available horizontal expansion ratios.
  96  */
  97 enum osd_h_exp_ratio {
  98         H_EXP_OFF,
  99         H_EXP_9_OVER_8,
 100         H_EXP_3_OVER_2,
 101 };
 102
 103 /**
 104  * enum osd_v_exp_ratio
 105  * @V_EXP_OFF: no expansion (1/1)
 106  * @V_EXP_6_OVER_5: 6/5 expansion ratio
 107  *
 108  * Description:
 109  * An enumeration of the available vertical expansion ratios.
 110  */
 111 enum osd_v_exp_ratio {
 112         V_EXP_OFF,
 113         V_EXP_6_OVER_5,
 114 };
 115
 116 /**
 117  * enum osd_zoom_factor
 118  * @ZOOM_X1: no zoom (x1)
 119  * @ZOOM_X2: x2 zoom
 120  * @ZOOM_X4: x4 zoom
 121  *
 122  * Description:
 123  * An enumeration of the available zoom factors.
 124  */
 125 enum osd_zoom_factor {
 126         ZOOM_X1,
 127         ZOOM_X2,
 128         ZOOM_X4,
 129 };
 130
 131 /**
 132  * enum osd_clut
 133  * @ROM_CLUT: ROM CLUT
 134  * @RAM_CLUT: RAM CLUT
 135  *
 136  * Description:
 137  * An enumeration of the available Color Lookup Tables (CLUTs).
 138  */
 139 enum osd_clut {
 140         ROM_CLUT,
 141         RAM_CLUT,
 142 };
 143
 144 /**
 145  * enum osd_rom_clut
 146  * @ROM_CLUT0: Macintosh CLUT
 147  * @ROM_CLUT1: CLUT from DM270 and prior devices
 148  *
 149  * Description:
 150  * An enumeration of the ROM Color Lookup Table (CLUT) options.
 151  */
 152 enum osd_rom_clut {
 153         ROM_CLUT0,
 154         ROM_CLUT1,
 155 };
 156
 157 /**
 158  * enum osd_blending_factor
 159  * @OSD_0_VID_8: OSD pixels are fully transparent
 160  * @OSD_1_VID_7: OSD pixels contribute 1/8, video pixels contribute 7/8
 161  * @OSD_2_VID_6: OSD pixels contribute 2/8, video pixels contribute 6/8
 162  * @OSD_3_VID_5: OSD pixels contribute 3/8, video pixels contribute 5/8
 163  * @OSD_4_VID_4: OSD pixels contribute 4/8, video pixels contribute 4/8
 164  * @OSD_5_VID_3: OSD pixels contribute 5/8, video pixels contribute 3/8
 165  * @OSD_6_VID_2: OSD pixels contribute 6/8, video pixels contribute 2/8
 166  * @OSD_8_VID_0: OSD pixels are fully opaque
 167  *
 168  * Description:
 169  * An enumeration of the DaVinci pixel blending factor options.
 170  */
 171 enum osd_blending_factor {
 172         OSD_0_VID_8,
 173         OSD_1_VID_7,
 174         OSD_2_VID_6,
 175         OSD_3_VID_5,
 176         OSD_4_VID_4,
 177         OSD_5_VID_3,
 178         OSD_6_VID_2,
 179         OSD_8_VID_0,
 180 };
 181
 182 /**
 183  * enum osd_blink_interval
 184  * @BLINK_X1: blink interval is 1 vertical refresh cycle
 185  * @BLINK_X2: blink interval is 2 vertical refresh cycles
 186  * @BLINK_X3: blink interval is 3 vertical refresh cycles
 187  * @BLINK_X4: blink interval is 4 vertical refresh cycles
 188  *
 189  * Description:
 190  * An enumeration of the DaVinci pixel blinking interval options.
 191  */
 192 enum osd_blink_interval {
 193         BLINK_X1,
 194         BLINK_X2,
 195         BLINK_X3,
 196         BLINK_X4,
 197 };
 198
 199 /**
 200  * enum osd_cursor_h_width
 201  * @H_WIDTH_1: horizontal line width is 1 pixel
 202  * @H_WIDTH_4: horizontal line width is 4 pixels
 203  * @H_WIDTH_8: horizontal line width is 8 pixels
 204  * @H_WIDTH_12: horizontal line width is 12 pixels
 205  * @H_WIDTH_16: horizontal line width is 16 pixels
 206  * @H_WIDTH_20: horizontal line width is 20 pixels
 207  * @H_WIDTH_24: horizontal line width is 24 pixels
 208  * @H_WIDTH_28: horizontal line width is 28 pixels
 209  */
 210 enum osd_cursor_h_width {
 211         H_WIDTH_1,
 212         H_WIDTH_4,
 213         H_WIDTH_8,
 214         H_WIDTH_12,
 215         H_WIDTH_16,
 216         H_WIDTH_20,
 217         H_WIDTH_24,
 218         H_WIDTH_28,
 219 };
 220
 221 /**
 222  * enum davinci_cursor_v_width
 223  * @V_WIDTH_1: vertical line width is 1 line
 224  * @V_WIDTH_2: vertical line width is 2 lines
 225  * @V_WIDTH_4: vertical line width is 4 lines
 226  * @V_WIDTH_6: vertical line width is 6 lines
 227  * @V_WIDTH_8: vertical line width is 8 lines
 228  * @V_WIDTH_10: vertical line width is 10 lines
 229  * @V_WIDTH_12: vertical line width is 12 lines
 230  * @V_WIDTH_14: vertical line width is 14 lines
 231  */
 232 enum osd_cursor_v_width {
 233         V_WIDTH_1,
 234         V_WIDTH_2,
 235         V_WIDTH_4,
 236         V_WIDTH_6,
 237         V_WIDTH_8,
 238         V_WIDTH_10,
 239         V_WIDTH_12,
 240         V_WIDTH_14,
 241 };
 242
 243 /**
 244  * struct osd_cursor_config
 245  * @xsize: horizontal size in pixels
 246  * @ysize: vertical size in lines
 247  * @xpos: horizontal offset in pixels from the left edge of the display
 248  * @ypos: vertical offset in lines from the top of the display
 249  * @interlaced: Non-zero if the display is interlaced, or zero otherwise
 250  * @h_width: horizontal line width
 251  * @v_width: vertical line width
 252  * @clut: the CLUT selector (ROM or RAM) for the cursor color
 253  * @clut_index: an index into the CLUT for the cursor color
 254  *
 255  * Description:
 256  * A structure describing the configuration parameters of the hardware
 257  * rectangular cursor.
 258  */
 259 struct osd_cursor_config {
 260         unsigned xsize;
 261         unsigned ysize;
 262         unsigned xpos;
 263         unsigned ypos;
 264         int interlaced;
 265         enum osd_cursor_h_width h_width;
 266         enum osd_cursor_v_width v_width;
 267         enum osd_clut clut;
 268         unsigned char clut_index;
 269 };
 270
 271 /**
 272  * struct osd_layer_config
 273  * @pixfmt: pixel format
 274  * @line_length: offset in bytes between start of each line in memory
 275  * @xsize: number of horizontal pixels displayed per line
 276  * @ysize: number of lines displayed
 277  * @xpos: horizontal offset in pixels from the left edge of the display
 278  * @ypos: vertical offset in lines from the top of the display
 279  * @interlaced: Non-zero if the display is interlaced, or zero otherwise
 280  *
 281  * Description:
 282  * A structure describing the configuration parameters of an On-Screen Display
 283  * (OSD) or video layer related to how the image is stored in memory.
 284  * @line_length must be a multiple of the cache line size (32 bytes).
 285  */
 286 struct osd_layer_config {
 287         enum osd_pix_format pixfmt;
 288         unsigned line_length;
 289         unsigned xsize;
 290         unsigned ysize;
 291         unsigned xpos;
 292         unsigned ypos;
 293         int interlaced;
 294 };
 295
 296 /* parameters that apply on a per-window (OSD or video) basis */
 297 struct osd_window_state {
 298         int is_allocated;
 299         int is_enabled;
 300         unsigned long fb_base_phys;
 301         enum osd_zoom_factor h_zoom;
 302         enum osd_zoom_factor v_zoom;
 303         struct osd_layer_config lconfig;
 304 };
 305
 306 /* parameters that apply on a per-OSD-window basis */
 307 struct osd_osdwin_state {
 308         enum osd_clut clut;
 309         enum osd_blending_factor blend;
 310         int colorkey_blending;
 311         unsigned colorkey;
 312         int rec601_attenuation;
 313         /* index is pixel value */
 314         unsigned char palette_map[16];
 315 };
 316
 317 /* hardware rectangular cursor parameters */
 318 struct osd_cursor_state {
 319         int is_enabled;
 320         struct osd_cursor_config config;
 321 };
 322
 323 struct osd_state;
 324
 325 struct vpbe_osd_ops {
 326         int (*initialize)(struct osd_state *sd);
 327         int (*request_layer)(struct osd_state *sd, enum osd_layer layer);
 328         void (*release_layer)(struct osd_state *sd, enum osd_layer layer);
 329         int (*enable_layer)(struct osd_state *sd, enum osd_layer layer,
 330                             int otherwin);
 331         void (*disable_layer)(struct osd_state *sd, enum osd_layer layer);
 332         int (*set_layer_config)(struct osd_state *sd, enum osd_layer layer,
 333                                 struct osd_layer_config *lconfig);
 334         void (*get_layer_config)(struct osd_state *sd, enum osd_layer layer,
 335                                  struct osd_layer_config *lconfig);
 336         void (*start_layer)(struct osd_state *sd, enum osd_layer layer,
 337                             unsigned long fb_base_phys,
 338                             unsigned long cbcr_ofst);
 339         void (*set_left_margin)(struct osd_state *sd, u32 val);
 340         void (*set_top_margin)(struct osd_state *sd, u32 val);
 341         void (*set_interpolation_filter)(struct osd_state *sd, int filter);
 342         int (*set_vid_expansion)(struct osd_state *sd,
 343                                         enum osd_h_exp_ratio h_exp,
 344                                         enum osd_v_exp_ratio v_exp);
 345         void (*get_vid_expansion)(struct osd_state *sd,
 346                                         enum osd_h_exp_ratio *h_exp,
 347                                         enum osd_v_exp_ratio *v_exp);
 348         void (*set_zoom)(struct osd_state *sd, enum osd_layer layer,
 349                                 enum osd_zoom_factor h_zoom,
 350                                 enum osd_zoom_factor v_zoom);
 351 };
 352
 353 struct osd_state {
 354         enum vpbe_version vpbe_type;
 355         spinlock_t lock;
 356         struct device *dev;
 357         dma_addr_t osd_base_phys;
 358         void __iomem *osd_base;
 359         unsigned long osd_size;
 360         /* 1-->the isr will toggle the VID0 ping-pong buffer */
 361         int pingpong;
 362         int interpolation_filter;
 363         int field_inversion;
 364         enum osd_h_exp_ratio osd_h_exp;
 365         enum osd_v_exp_ratio osd_v_exp;
 366         enum osd_h_exp_ratio vid_h_exp;
 367         enum osd_v_exp_ratio vid_v_exp;
 368         enum osd_clut backg_clut;
 369         unsigned backg_clut_index;
 370         enum osd_rom_clut rom_clut;
 371         int is_blinking;
 372         /* attribute window blinking enabled */
 373         enum osd_blink_interval blink;
 374         /* YCbCrI or YCrCbI */
 375         enum osd_pix_format yc_pixfmt;
 376         /* columns are Y, Cb, Cr */
 377         unsigned char clut_ram[256][3];
 378         struct osd_cursor_state cursor;
 379         /* OSD0, VID0, OSD1, VID1 */
 380         struct osd_window_state win[4];
 381         /* OSD0, OSD1 */
 382         struct osd_osdwin_state osdwin[2];
 383         /* OSD device Operations */
 384         struct vpbe_osd_ops ops;
 385 };
 386
 387 struct osd_platform_data {
 388         int  field_inv_wa_enable;
 389 };
 390
 391 #endif