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  * 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  */
  41 enum 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  */
  56 enum 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  */
  77 enum 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  */
  99 enum 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  */
 113 enum 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  */
 127 enum 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  */
 141 enum 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  */
 154 enum 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  */
 173 enum 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  */
 194 enum 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  */
 212 enum 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  */
 234 enum 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  */
 261 struct 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  */
 288 struct 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 */
 299 struct 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 */
 309 struct 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 */
 320 struct osd_cursor_state {
 321         int is_enabled;
 322         struct osd_cursor_config config;
 323 };
 324
 325 struct osd_state;
 326
 327 struct 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
 355 struct osd_state {
 356         enum vpbe_version vpbe_type;
 357         spinlock_t lock;
 358         struct device *dev;
 359         dma_addr_t osd_base_phys;
 360         void __iomem *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
 389 struct osd_platform_data {
 390         enum vpbe_version vpbe_type;
 391         int  field_inv_wa_enable;
 392 };
 393
 394 #endif