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|
#ifndef CYGONCE_IO_FRAMEBUF_H
#define CYGONCE_IO_FRAMEBUF_H
//=============================================================================
//
// framebuf.h
//
// Generic API for accessing framebuffers
//
//=============================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 2008 Free Software Foundation, Inc.
//
// eCos 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 or (at your option) any later
// version.
//
// eCos 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 eCos; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// As a special exception, if other files instantiate templates or use
// macros or inline functions from this file, or you compile this file
// and link it with other works to produce a work based on this file,
// this file does not by itself cause the resulting work to be covered by
// the GNU General Public License. However the source code for this file
// must still be made available in accordance with section (3) of the GNU
// General Public License v2.
//
// This exception does not invalidate any other reasons why a work based
// on this file might be covered by the GNU General Public License.
// -------------------------------------------
// ####ECOSGPLCOPYRIGHTEND####
//=============================================================================
//####DESCRIPTIONBEGIN####
//
// Author(s): bartv
// Date: 2005-03-29
//####DESCRIPTIONEND####
//=============================================================================
#include <pkgconf/infra.h>
#include <pkgconf/io_framebuf.h>
#include <cyg/infra/cyg_type.h>
#ifdef __cplusplus
extern "C" {
#endif
// ----------------------------------------------------------------------------
// The colour data type. For now this is a cyg_ucount32. On 16-bit targets
// where the display depth is less than 32bpp a cyg_ucount16 would suffice
// and be more efficient. A separate cyg_fb_colour type is used to allow this
// change to be made in future.
typedef cyg_ucount32 cyg_fb_colour;
typedef cyg_fb_colour cyg_fb_color;
// ----------------------------------------------------------------------------
// Each framebuffer device exports one of these structures
typedef struct cyg_fb {
#ifdef CYGPKG_INFRA_DEBUG
cyg_ucount32 fb_magic;
#endif
cyg_ucount16 fb_depth; // 1, 2, 4, 8, 16, or 32 bits per pixel
cyg_ucount16 fb_format; // detailed format, e.g. 8-bit paletted, or 32-bit 0888
cyg_ucount16 fb_width; // of the framebuffer, not the viewport
cyg_ucount16 fb_height;
#ifdef CYGHWR_IO_FRAMEBUF_FUNCTIONALITY_VIEWPORT
cyg_ucount16 fb_viewport_width;
cyg_ucount16 fb_viewport_height;
#endif
void* fb_base; // Base address of the framebuffer, or 0 if not directly accessible
cyg_ucount16 fb_stride; // number of bytes per line
cyg_uint32 fb_flags0;
cyg_uint32 fb_flags1;
cyg_uint32 fb_flags2;
cyg_uint32 fb_flags3;
CYG_ADDRWORD fb_driver0; // Driver private fields
CYG_ADDRWORD fb_driver1;
CYG_ADDRWORD fb_driver2;
CYG_ADDRWORD fb_driver3;
int (*fb_on_fn)(struct cyg_fb*);
int (*fb_off_fn)(struct cyg_fb*);
int (*fb_ioctl_fn)( struct cyg_fb*, cyg_ucount16, void*, size_t*);
#ifdef CYGHWR_IO_FRAMEBUF_FUNCTIONALITY_DOUBLE_BUFFER
void (*fb_synch_fn)( struct cyg_fb*, cyg_ucount16);
#endif
#ifdef CYGHWR_IO_FRAMEBUF_FUNCTIONALITY_PALETTE
void (*fb_read_palette_fn)(struct cyg_fb*, cyg_ucount32, cyg_ucount32, void*);
#endif
#ifdef CYGHWR_IO_FRAMEBUF_FUNCTIONALITY_WRITEABLE_PALETTE
void (*fb_write_palette_fn)(struct cyg_fb*, cyg_ucount32, cyg_ucount32, const void*, cyg_ucount16);
#endif
#ifdef CYGHWR_IO_FRAMEBUF_FUNCTIONALITY_TRUE_COLOUR
cyg_fb_colour (*fb_make_colour_fn)(struct cyg_fb*, cyg_ucount8, cyg_ucount8, cyg_ucount8);
void (*fb_break_colour_fn)(struct cyg_fb*, cyg_fb_colour, cyg_ucount8*, cyg_ucount8*, cyg_ucount8*);
#endif
void (*fb_write_pixel_fn)(struct cyg_fb*, cyg_ucount16, cyg_ucount16, cyg_fb_colour);
cyg_fb_colour (*fb_read_pixel_fn)( struct cyg_fb*, cyg_ucount16, cyg_ucount16);
void (*fb_write_hline_fn)(struct cyg_fb*, cyg_ucount16, cyg_ucount16, cyg_ucount16, cyg_fb_colour);
void (*fb_write_vline_fn)(struct cyg_fb*, cyg_ucount16, cyg_ucount16, cyg_ucount16, cyg_fb_colour);
void (*fb_fill_block_fn)( struct cyg_fb*, cyg_ucount16, cyg_ucount16, cyg_ucount16, cyg_ucount16, cyg_fb_colour);
void (*fb_write_block_fn)(struct cyg_fb*, cyg_ucount16, cyg_ucount16, cyg_ucount16, cyg_ucount16, const void*, cyg_ucount16, cyg_ucount16);
void (*fb_read_block_fn)( struct cyg_fb*, cyg_ucount16, cyg_ucount16, cyg_ucount16, cyg_ucount16, void*, cyg_ucount16, cyg_ucount16);
void (*fb_move_block_fn)( struct cyg_fb*, cyg_ucount16, cyg_ucount16, cyg_ucount16, cyg_ucount16, cyg_ucount16, cyg_ucount16);
} cyg_fb;
// A magic number used to validate an fb pointer
#define CYG_FB_MAGIC 0xC201e147
// The various supported colour formats. A 16-bit value.
#define CYG_FB_FORMAT_1BPP_MONO_0_BLACK 0x0000
#define CYG_FB_FORMAT_1BPP_MONO_0_WHITE 0x0001
#define CYG_FB_FORMAT_1BPP_PAL888 0x0002
#define CYG_FB_FORMAT_2BPP_GREYSCALE_0_BLACK 0x0100
#define CYG_FB_FORMAT_2BPP_GRAYSCALE_0_BLACK 0x0100
#define CYG_FB_FORMAT_2BPP_GREYSCALE_0_WHITE 0x0101
#define CYG_FB_FORMAT_2BPP_GRAYSCALE_0_WHITE 0x0101
#define CYG_FB_FORMAT_2BPP_PAL888 0x0102
#define CYG_FB_FORMAT_4BPP_GREYSCALE_0_BLACK 0x0200
#define CYG_FB_FORMAT_4BPP_GRAYSCALE_0_BLACK 0x0200
#define CYG_FB_FORMAT_4BPP_GREYSCALE_0_WHITE 0x0201
#define CYG_FB_FORMAT_4BPP_GRAYSCALE_0_WHITE 0x0202
#define CYG_FB_FORMAT_4BPP_PAL888 0x0203
#define CYG_FB_FORMAT_8BPP_PAL888 0x0300
#define CYG_FB_FORMAT_8BPP_TRUE_332 0x0301
#define CYG_FB_FORMAT_16BPP_TRUE_565 0x0400
#define CYG_FB_FORMAT_16BPP_TRUE_555 0x0401
#define CYG_FB_FORMAT_32BPP_TRUE_0888 0x0500
// Flags indicating exactly what the device driver can support.
// Each fb structure has four flags fields for a maximum of
// 128 flags, allowing for future expansion at a relatively
// low cost.
// The framebuffer memory is directly accessible and organized in a
// conventional fashion, i.e. increasing x means the addresses
// increase by 1 bit/nibble/byte/short/int as appropriate, and
// increasing y means adding n bytes/shorts/ints
#define CYG_FB_FLAGS0_LINEAR_FRAMEBUFFER (0x01 << 0)
// Only relevant for 1bpp, 2bpp and 4bpp displays. Little-endian
// means that pixel (0,0) occupies bit 0 of framebuffer byte 0.
// 0. Big-endian means that pixel(0,0) occupies bit 7.
#define CYG_FB_FLAGS0_LE (0x01 << 1)
#define CYG_FB_FLAGS0_TRUE_COLOUR (0x01 << 8)
#define CYG_FB_FLAGS0_TRUE_COLOR (0x01 << 8)
#define CYG_FB_FLAGS0_PALETTE (0x01 << 9)
#define CYG_FB_FLAGS0_WRITEABLE_PALETTE (0x01 << 10)
#define CYG_FB_FLAGS0_DELAYED_PALETTE_UPDATE (0x01 << 16)
#define CYG_FB_FLAGS0_VIEWPORT (0x01 << 17)
#define CYG_FB_FLAGS0_DOUBLE_BUFFER (0x01 << 18)
#define CYG_FB_FLAGS0_PAGE_FLIPPING (0x01 << 19)
#define CYG_FB_FLAGS0_BLANK (0x01 << 20)
#define CYG_FB_FLAGS0_BACKLIGHT (0x01 << 21)
#define CYG_FB_FLAGS0_MUST_BE_ON (0x01 << 22)
// Some operations including updating the palette, double-buffer
// synch, page flipping and moving the viewport take an argument
// to specify when the operation should happen. Driver support
// for this is optional.
#define CYG_FB_UPDATE_NOW 0x0000
#define CYG_FB_UPDATE_VERTICAL_RETRACE 0x0001
// ----------------------------------------------------------------------------
// Macro to define a framebuffer. A couple of auxiliary macros are used
// for the conditional fields.
#ifdef CYGPKG_INFRA_DEBUG
# define CYG_FB_FRAMEBUFFER_DEBUG \
.fb_magic = CYG_FB_MAGIC,
#else
# define CYG_FB_FRAMEBUFFER_DEBUG
#endif
#ifdef CYGHWR_IO_FRAMEBUF_FUNCTIONALITY_VIEWPORT
# define CYG_FB_FRAMEBUFFER_VIEWPORT(_width_, _height_) \
.fb_viewport_width = _width_, \
.fb_viewport_height = _height_,
#else
# define CYG_FB_FRAMEBUFFER_VIEWPORT(_width_, _height_)
#endif
#ifdef CYGHWR_IO_FRAMEBUF_FUNCTIONALITY_DOUBLE_BUFFER
# define CYG_FB_FRAMEBUFFER_SYNCH_FN(_fn_) \
.fb_synch_fn = _fn_,
#else
# define CYG_FB_FRAMEBUFFER_SYNCH_FN(_fn_)
#endif
#ifdef CYGHWR_IO_FRAMEBUF_FUNCTIONALITY_PALETTE
# define CYG_FB_FRAMEBUFFER_READ_PALETTE_FN(_fn_) \
.fb_read_palette_fn = _fn_,
#else
# define CYG_FB_FRAMEBUFFER_READ_PALETTE_FN(_fn_)
#endif
#ifdef CYGHWR_IO_FRAMEBUF_FUNCTIONALITY_WRITEABLE_PALETTE
# define CYG_FB_FRAMEBUFFER_WRITE_PALETTE_FN(_fn_) \
.fb_write_palette_fn = _fn_,
#else
# define CYG_FB_FRAMEBUFFER_WRITE_PALETTE_FN(_fn_)
#endif
#ifdef CYGHWR_IO_FRAMEBUF_FUNCTIONALITY_TRUE_COLOUR
# define CYG_FB_FRAMEBUFFER_MAKE_COLOUR_FN(_fn_) \
.fb_make_colour_fn = _fn_,
# define CYG_FB_FRAMEBUFFER_BREAK_COLOUR_FN(_fn_) \
.fb_break_colour_fn = _fn_,
#else
# define CYG_FB_FRAMEBUFFER_MAKE_COLOUR_FN(_fn_)
# define CYG_FB_FRAMEBUFFER_BREAK_COLOUR_FN(_fn_)
#endif
#define CYG_FB_FRAMEBUFFER(_name_, _depth_, _format_, \
_width_, _height_, _viewport_width_, _viewport_height_, \
_base_, _stride_, \
_flags0_, _flags1_, _flags2_, _flags3_, \
_driver0_, _driver1_, _driver2_, _driver3_, \
_on_fn_, _off_fn_, _ioctl_fn_, _synch_fn_, \
_read_palette_fn_, _write_palette_fn_, \
_make_colour_fn_, _break_colour_fn_, \
_write_pixel_fn_, _read_pixel_fn_, _write_hline_fn_, _write_vline_fn_, \
_fill_block_fn_, _write_block_fn_, _read_block_fn_, _move_block_fn_, \
_spare0_, _spare1_, _spare2_, _spare3_ ) \
struct cyg_fb _name_ = { \
CYG_FB_FRAMEBUFFER_DEBUG \
.fb_depth = _depth_, \
.fb_format = _format_, \
.fb_width = _width_, \
.fb_height = _height_, \
CYG_FB_FRAMEBUFFER_VIEWPORT(_viewport_width_, _viewport_height_) \
.fb_stride = _stride_, \
.fb_base = _base_, \
.fb_flags0 = _flags0_, \
.fb_flags1 = _flags1_, \
.fb_flags2 = _flags2_, \
.fb_flags3 = _flags3_, \
.fb_driver0 = _driver0_, \
.fb_driver1 = _driver1_, \
.fb_driver2 = _driver2_, \
.fb_driver3 = _driver3_, \
.fb_on_fn = _on_fn_, \
.fb_off_fn = _off_fn_, \
.fb_ioctl_fn = _ioctl_fn_, \
CYG_FB_FRAMEBUFFER_SYNCH_FN(_synch_fn_) \
CYG_FB_FRAMEBUFFER_READ_PALETTE_FN(_read_palette_fn_) \
CYG_FB_FRAMEBUFFER_WRITE_PALETTE_FN(_write_palette_fn_) \
CYG_FB_FRAMEBUFFER_MAKE_COLOUR_FN(_make_colour_fn_) \
CYG_FB_FRAMEBUFFER_BREAK_COLOUR_FN(_break_colour_fn_) \
.fb_write_pixel_fn = _write_pixel_fn_, \
.fb_read_pixel_fn = _read_pixel_fn_, \
.fb_write_hline_fn = _write_hline_fn_, \
.fb_write_vline_fn = _write_vline_fn_, \
.fb_fill_block_fn = _fill_block_fn_, \
.fb_write_block_fn = _write_block_fn_, \
.fb_read_block_fn = _read_block_fn_, \
.fb_move_block_fn = _move_block_fn_ \
}
// ----------------------------------------------------------------------------
// ioctl() operations: these are defined by a 16-bit key. The top byte
// gives a category, with values of 0x8000 onwards reserved for use by
// individual device drivers. The bottom byte defines the actual
// operation. This gives 128 generic ioctl categories.
# define CYG_FB_IOCTL_VIEWPORT_GET_POSITION 0x0100
# define CYG_FB_IOCTL_VIEWPORT_SET_POSITION 0x0101
typedef struct cyg_fb_ioctl_viewport {
cyg_ucount16 fbvp_x; // position of top-left corner of the viewport within
cyg_ucount16 fbvp_y; // the framebuffer
cyg_ucount16 fbvp_when; // set-only, now or vert retrace
} cyg_fb_ioctl_viewport;
# define CYG_FB_IOCTL_PAGE_FLIPPING_GET_PAGES 0x0200
# define CYG_FB_IOCTL_PAGE_FLIPPING_SET_PAGES 0x0201
typedef struct cyg_fb_ioctl_page_flip {
cyg_uint32 fbpf_number_pages;
cyg_uint32 fbpf_visible_page;
cyg_uint32 fbpf_drawable_page;
cyg_ucount16 fbpf_when; // set-only, now or vert retrace
} cyg_fb_ioctl_page_flip;
# define CYG_FB_IOCTL_BLANK_GET 0x0300
# define CYG_FB_IOCTL_BLANK_SET 0x0301
typedef struct cyg_fb_ioctl_blank {
cyg_bool fbbl_on;
} cyg_fb_ioctl_blank;
# define CYG_FB_IOCTL_BACKLIGHT_GET 0x0400
# define CYG_FB_IOCTL_BACKLIGHT_SET 0x0401
typedef struct cyg_fb_ioctl_backlight {
cyg_ucount32 fbbl_current;
cyg_ucount32 fbbl_max;
} cyg_fb_ioctl_backlight;
// ----------------------------------------------------------------------------
// The functional API. This can be implemented either by inlines or by
// explicit functions, the latter allowing extra assertions.
#if defined(CYGPKG_INFRA_DEBUG) || defined(__CYG_FB_IN_FRAMEBUF_C)
extern int cyg_fb_on(cyg_fb*);
extern int cyg_fb_off(cyg_fb*);
extern void cyg_fb_write_pixel( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_fb_colour);
extern cyg_fb_colour cyg_fb_read_pixel( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */);
extern void cyg_fb_write_hline( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* len */,
cyg_fb_colour);
extern void cyg_fb_write_vline( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* len */,
cyg_fb_colour);
extern void cyg_fb_fill_block( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
cyg_fb_colour);
extern void cyg_fb_write_block( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
const void* /* source */,
cyg_ucount16 /* offset */, cyg_ucount16 /* source stride */);
extern void cyg_fb_read_block( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
void* /* dest */,
cyg_ucount16 /* offset */, cyg_ucount16 /* source stride */);
extern void cyg_fb_move_block( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
cyg_ucount16 /* new_x */, cyg_ucount16 /* new_y */);
extern int cyg_fb_ioctl( cyg_fb*,
cyg_uint16 /* key */,
void* /* data */,
size_t* /* len */);
extern void cyg_fb_synch( cyg_fb*,
cyg_ucount16 /* when */);
extern void cyg_fb_write_palette( cyg_fb*,
cyg_ucount32 /* first */,
cyg_ucount32 /* count */,
const void* /* source */,
cyg_ucount16 /* when */);
extern void cyg_fb_read_palette( cyg_fb*,
cyg_ucount32 /* first */,
cyg_ucount32 /* count */,
void* /* dest */);
extern cyg_fb_colour cyg_fb_make_colour( cyg_fb*,
cyg_ucount8 /* r */, cyg_ucount8 /* g */, cyg_ucount8 /* b */);
extern void cyg_fb_break_colour( cyg_fb*,
cyg_fb_colour,
cyg_ucount8* /* r */, cyg_ucount8* /* g */, cyg_ucount8* /* b */);
#else
extern __inline__ int
cyg_fb_on(cyg_fb* _fb_)
{
return (*(_fb_->fb_on_fn))(_fb_);
}
extern __inline__ int
cyg_fb_off(cyg_fb* _fb_)
{
return (*(_fb_->fb_off_fn))(_fb_);
}
extern __inline__ void
cyg_fb_write_pixel(cyg_fb* _fb_, cyg_ucount16 _x_, cyg_ucount16 _y_, cyg_count32 _colour_)
{
(*(_fb_->fb_write_pixel_fn))(_fb_, _x_, _y_, _colour_);
}
extern __inline__ cyg_fb_colour
cyg_fb_read_pixel(cyg_fb* _fb_, cyg_ucount16 _x_, cyg_ucount16 _y_)
{
return (*(_fb_->fb_read_pixel_fn))(_fb_, _x_, _y_);
}
extern __inline__ void
cyg_fb_write_hline(cyg_fb* _fb_, cyg_ucount16 _x_, cyg_ucount16 _y_, cyg_ucount16 _len_, cyg_fb_colour _colour_)
{
(*(_fb_->fb_write_hline_fn))(_fb_, _x_, _y_, _len_, _colour_);
}
extern __inline__ void
cyg_fb_write_vline(cyg_fb* _fb_, cyg_ucount16 _x_, cyg_ucount16 _y_, cyg_ucount16 _len_, cyg_fb_colour _colour_)
{
(*(_fb_->fb_write_vline_fn))(_fb_, _x_, _y_, _len_, _colour_);
}
extern __inline__ void
cyg_fb_fill_block(cyg_fb* _fb_, cyg_ucount16 _x_, cyg_ucount16 _y_, cyg_ucount16 _width_, cyg_ucount16 _height_, cyg_fb_colour _colour_)
{
(*(_fb_->fb_fill_block_fn))(_fb_, _x_, _y_, _width_, _height_, _colour_);
}
extern __inline__ void
cyg_fb_write_block(cyg_fb* _fb_, cyg_ucount16 _x_, cyg_ucount16 _y_, cyg_ucount16 _width_, cyg_ucount16 _height_,
const void* _source_, cyg_ucount16 _offset_, cyg_ucount16 _stride_)
{
(*(_fb_->fb_write_block_fn))(_fb_, _x_, _y_, _width_, _height_, _source_, _offset_, _stride_);
}
extern __inline__ void
cyg_fb_read_block(cyg_fb* _fb_, cyg_ucount16 _x_, cyg_ucount16 _y_, cyg_ucount16 _width_, cyg_ucount16 _height_,
void* _dest_, cyg_ucount16 _offset_, cyg_ucount16 _stride_)
{
(*((_fb_)->fb_read_block_fn))(_fb_, _x_, _y_, _width_, _height_, _dest_, _offset_, _stride_);
}
extern __inline__ void
cyg_fb_move_block(cyg_fb* _fb_, cyg_ucount16 _x_, cyg_ucount16 _y_, cyg_ucount16 _width_, cyg_ucount16 _height_, cyg_ucount16 _newx_, cyg_ucount16 _newy_)
{
(*(_fb_->fb_move_block_fn))(_fb_, _x_, _y_, _width_, _height_, _newx_, _newy_);
}
extern __inline__ int
cyg_fb_ioctl(cyg_fb* _fb_, cyg_uint16 _key_, void* _data_, size_t* _len_)
{
int result = (*(_fb_->fb_ioctl_fn))(_fb_, _key_, _data_, _len_);
return result;
}
extern __inline__ void
cyg_fb_synch(cyg_fb* _fb_, cyg_ucount16 _when_)
{
#ifdef CYGHWR_IO_FRAMEBUF_FUNCTIONALITY_DOUBLE_BUFFER
(*(_fb_->fb_synch_fn))(_fb_, _when_);
#else
// Synch is a no-op
#endif
}
extern __inline__ void
cyg_fb_read_palette(cyg_fb* _fb_, cyg_ucount32 _first_, cyg_ucount32 _count_, void* _dest_)
{
#ifdef CYGHWR_IO_FRAMEBUF_FUNCTIONALITY_PALETTE
(*(_fb_->fb_read_palette_fn))(_fb_, _first_, _count_, _dest_);
#else
CYG_UNUSED_PARAM(cyg_fb*, _fb_);
CYG_UNUSED_PARAM(cyg_ucount32, _first_);
CYG_UNUSED_PARAM(cyg_ucount32, _count_);
CYG_UNUSED_PARAM(void*, _dest_);
#endif
}
extern __inline__ void
cyg_fb_write_palette(cyg_fb* _fb_, cyg_ucount32 _first_, cyg_ucount32 _count_, const void* _dest_, cyg_ucount16 _when_)
{
#ifdef CYGHWR_IO_FRAMEBUF_FUNCTIONALITY_WRITEABLE_PALETTE
(*(_fb_->fb_write_palette_fn))(_fb_, _first_, _count_, _dest_, _when_);
#else
CYG_UNUSED_PARAM(cyg_fb*, _fb_);
CYG_UNUSED_PARAM(cyg_ucount32, _first_);
CYG_UNUSED_PARAM(cyg_ucount32, _count_);
CYG_UNUSED_PARAM(const void*, _dest_);
CYG_UNUSED_PARAM(cyg_ucount16, _when_);
#endif
}
extern __inline__ cyg_fb_colour
cyg_fb_make_colour(cyg_fb* _fb_, cyg_ucount8 _r_, cyg_ucount8 _g_, cyg_ucount8 _b_)
{
#ifdef CYGHWR_IO_FRAMEBUF_FUNCTIONALITY_TRUE_COLOUR
return (*(_fb_->fb_make_colour_fn))(_fb_, _r_, _g_, _b_);
#else
CYG_UNUSED_PARAM(cyg_fb*, _fb_);
CYG_UNUSED_PARAM(cyg_ucount8, _r_);
CYG_UNUSED_PARAM(cyg_ucount8, _g_);
CYG_UNUSED_PARAM(cyg_ucount8, _b_);
return 0;
#endif
}
extern __inline__ void
cyg_fb_break_colour(cyg_fb* _fb_, cyg_fb_colour _colour_, cyg_ucount8* _r_, cyg_ucount8* _g_, cyg_ucount8* _b_)
{
#ifdef CYGHWR_IO_FRAMEBUF_FUNCTIONALITY_TRUE_COLOUR
(*(_fb_->fb_break_colour_fn))(_fb_, _colour_, _r_, _g_, _b_);
#else
CYG_UNUSED_PARAM(cyg_fb*, _fb_);
CYG_UNUSED_PARAM(cyg_fb_colour, _colour_);
CYG_UNUSED_PARAM(cyg_ucount8*, _r_);
CYG_UNUSED_PARAM(cyg_ucount8*, _g_);
CYG_UNUSED_PARAM(cyg_ucount8*, _b_);
#endif
}
#endif // defined(CYGPKG_INFRA_DEBUG) || defined(__CYG_FB_IN_FRAMEBUF_C)
// ----------------------------------------------------------------------------
// The MACRO API
#define CYG_FB__AUX(_fb_, _field_) CYG_FB_ ## _fb_ ## _field_
#define CYG_FB_STRUCT(_fb_) CYG_FB__AUX(_fb_, _STRUCT)
#define CYG_FB_DEPTH(_fb_) CYG_FB__AUX(_fb_, _DEPTH)
#define CYG_FB_FORMAT(_fb_) CYG_FB__AUX(_fb_, _FORMAT)
#define CYG_FB_WIDTH(_fb_) CYG_FB__AUX(_fb_, _WIDTH)
#define CYG_FB_HEIGHT(_fb_) CYG_FB__AUX(_fb_, _HEIGHT)
#define CYG_FB_VIEWPORT_WIDTH(_fb_) CYG_FB__AUX(_fb_, _VIEWPORT_WIDTH)
#define CYG_FB_VIEWPORT_HEIGHT(_fb_) CYG_FB__AUX(_fb_, _VIEWPORT_HEIGHT)
#define CYG_FB_STRIDE(_fb_) CYG_FB__AUX(_fb_, _STRIDE)
#define CYG_FB_BASE(_fb_) CYG_FB__AUX(_fb_, _BASE)
#define CYG_FB_FLAGS0(_fb_) CYG_FB__AUX(_fb_, _FLAGS0)
#define CYG_FB_FLAGS1(_fb_) CYG_FB__AUX(_fb_, _FLAGS1)
#define CYG_FB_FLAGS2(_fb_) CYG_FB__AUX(_fb_, _FLAGS2)
#define CYG_FB_FLAGS3(_fb_) CYG_FB__AUX(_fb_, _FLAGS3)
#define CYG_FB_PIXELx_VAR( _fb_, _id_) CYG_FB__AUX(_fb_, _PIXELx_VAR)( _fb_, _id_)
#define CYG_FB_PIXELx_SET( _fb_, _id_, _x_, _y_) CYG_FB__AUX(_fb_, _PIXELx_SET)( _fb_, _id_, _x_, _y_)
#define CYG_FB_PIXELx_GET( _fb_, _id_, _x_, _y_) CYG_FB__AUX(_fb_, _PIXELx_GET)( _fb_, _id_, _x_, _y_)
#define CYG_FB_PIXELx_ADDX( _fb_, _id_, _incr_) CYG_FB__AUX(_fb_, _PIXELx_ADDX)( _fb_, _id_, _incr_)
#define CYG_FB_PIXELx_ADDY( _fb_, _id_, _incr_) CYG_FB__AUX(_fb_, _PIXELx_ADDY)( _fb_, _id_, _incr_)
#define CYG_FB_PIXELx_WRITE(_fb_, _id_, _colour_) CYG_FB__AUX(_fb_, _PIXELx_WRITE)( _fb_, _id_, _colour_)
#define CYG_FB_PIXELx_READ( _fb_, _id_) CYG_FB__AUX(_fb_, _PIXELx_READ)( _fb_, _id_)
#define CYG_FB_PIXELx_FLUSHABS(_fb_, _id_, _x0_, _y0_, _width_, _height_) CYG_FB__AUX(_fb_, _PIXELx_FLUSHABS)( _fb_, _id_, _x0_, _y0_, _x1_, _y1_)
#define CYG_FB_PIXELx_FLUSHREL(_fb_, _id_, _x0_, _y0_, _dx_, _dy_) CYG_FB__AUX(_fb_, _PIXELx_FLUSHREL)( _fb_, _id_, _x0_, _y0_, _dx_, _dy_)
#define CYG_FB_PIXEL0_VAR( _fb_) CYG_FB_PIXELx_VAR( _fb_, 0)
#define CYG_FB_PIXEL0_SET( _fb_, _x_, _y_) CYG_FB_PIXELx_SET( _fb_, 0, _x_, _y_)
#define CYG_FB_PIXEL0_GET( _fb_, _x_, _y_) CYG_FB_PIXELx_GET( _fb_, 0, _x_, _y_)
#define CYG_FB_PIXEL0_ADDX( _fb_, _incr_) CYG_FB_PIXELx_ADDX( _fb_, 0, _incr_)
#define CYG_FB_PIXEL0_ADDY( _fb_, _incr_) CYG_FB_PIXELx_ADDY( _fb_, 0, _incr_)
#define CYG_FB_PIXEL0_WRITE(_fb_, _colour_) CYG_FB_PIXELx_WRITE(_fb_, 0, _colour_)
#define CYG_FB_PIXEL0_READ( _fb_) CYG_FB_PIXELx_READ( _fb_, 0)
#define CYG_FB_PIXEL0_FLUSHABS( _fb_, _x0_, _y0_, _width_, _height_) CYG_FB_PIXELx_FLUSHABS( _fb_, 0, _x0_, _y0_, _width_, _height_)
#define CYG_FB_PIXEL0_FLUSHREL( _fb_, _x0_, _y0_, _dx_, _dy_) CYG_FB_PIXELx_FLUSHREL( _fb_, 0, _x0_, _y0_, _dx_, _dy_)
#define CYG_FB_PIXEL1_VAR( _fb_) CYG_FB_PIXELx_VAR( _fb_, 1)
#define CYG_FB_PIXEL1_SET( _fb_, _x_, _y_) CYG_FB_PIXELx_SET( _fb_, 1, _x_, _y_)
#define CYG_FB_PIXEL1_GET( _fb_, _x_, _y_) CYG_FB_PIXELx_GET( _fb_, 1, _x_, _y_)
#define CYG_FB_PIXEL1_ADDX( _fb_, _incr_) CYG_FB_PIXELx_ADDX( _fb_, 1, _incr_)
#define CYG_FB_PIXEL1_ADDY( _fb_, _incr_) CYG_FB_PIXELx_ADDY( _fb_, 1, _incr_)
#define CYG_FB_PIXEL1_WRITE(_fb_, _colour_) CYG_FB_PIXELx_WRITE(_fb_, 1, _colour_)
#define CYG_FB_PIXEL1_READ( _fb_) CYG_FB_PIXELx_READ( _fb_, 1)
#define CYG_FB_PIXEL1_FLUSHABS( _fb_, _x0_, _y0_, _width_, _height_) CYG_FB_PIXELx_FLUSHABS( _fb_, 1, _x0_, _y0_, _width_, _height_)
#define CYG_FB_PIXEL1_FLUSHREL( _fb_, _x0_, _y0_, _dx_, _dy_) CYG_FB_PIXELx_FLUSHREL( _fb_, 1, _x0_, _y0_, _dx_, _dy_)
#define CYG_FB_PIXEL2_VAR( _fb_) CYG_FB_PIXELx_VAR( _fb_, 2)
#define CYG_FB_PIXEL2_SET( _fb_, _x_, _y_) CYG_FB_PIXELx_SET( _fb_, 2, _x_, _y_)
#define CYG_FB_PIXEL2_GET( _fb_, _x_, _y_) CYG_FB_PIXELx_GET( _fb_, 2, _x_, _y_)
#define CYG_FB_PIXEL2_ADDX( _fb_, _incr_) CYG_FB_PIXELx_ADDX( _fb_, 2, _incr_)
#define CYG_FB_PIXEL2_ADDY( _fb_, _incr_) CYG_FB_PIXELx_ADDY( _fb_, 2, _incr_)
#define CYG_FB_PIXEL2_WRITE(_fb_, _colour_) CYG_FB_PIXELx_WRITE(_fb_, 2, _colour_)
#define CYG_FB_PIXEL2_READ( _fb_) CYG_FB_PIXELx_READ( _fb_, 2)
#define CYG_FB_PIXEL2_FLUSHABS( _fb_, _x0_, _y0_, _width_, _height_) CYG_FB_PIXELx_FLUSHABS( _fb_, 2, _x0_, _y0_, _width_, _height_)
#define CYG_FB_PIXEL2_FLUSHREL( _fb_, _x0_, _y0_, _dx_, _dy_) CYG_FB_PIXELx_FLUSHREL( _fb_, 2, _x0_, _y0_, _dx_, _dy_)
#define CYG_FB_PIXEL3_VAR( _fb_) CYG_FB_PIXELx_VAR( _fb_, 3)
#define CYG_FB_PIXEL3_SET( _fb_, _x_, _y_) CYG_FB_PIXELx_SET( _fb_, 3, _x_, _y_)
#define CYG_FB_PIXEL3_GET( _fb_, _x_, _y_) CYG_FB_PIXELx_GET( _fb_, 3, _x_, _y_)
#define CYG_FB_PIXEL3_ADDX( _fb_, _incr_) CYG_FB_PIXELx_ADDX( _fb_, 3, _incr_)
#define CYG_FB_PIXEL3_ADDY( _fb_, _incr_) CYG_FB_PIXELx_ADDY( _fb_, 3, _incr_)
#define CYG_FB_PIXEL3_WRITE(_fb_, _colour_) CYG_FB_PIXELx_WRITE(_fb_, 3, _colour_)
#define CYG_FB_PIXEL3_READ( _fb_) CYG_FB_PIXELx_READ( _fb_, 3)
#define CYG_FB_PIXEL3_FLUSHABS( _fb_, _x0_, _y0_, _width_, _height_) CYG_FB_PIXELx_FLUSHABS( _fb_, 3, _x0_, _y0_, _width_, _height_)
#define CYG_FB_PIXEL3_FLUSHREL( _fb_, _x0_, _y0_, _dx_, _dy_) CYG_FB_PIXELx_FLUSHREL( _fb_, 3, _x0_, _y0_, _dx_, _dy_)
#define CYG_FB_ON(_fb_) ({ cyg_fb_on(& CYG_FB_STRUCT(_fb_)); })
#define CYG_FB_OFF(_fb_) ({ cyg_fb_off(& CYG_FB_STRUCT(_fb_)); })
#define CYG_FB_IOCTL(_fb_, _key_, _data_, _len_) ({ cyg_fb_ioctl(& CYG_FB_STRUCT(_fb_), _key_, _data_, _len_); })
#define CYG_FB_SYNCH(_fb_, _when_) \
CYG_MACRO_START \
cyg_fb_synch(& CYG_FB_STRUCT(_fb_), _when_); \
CYG_MACRO_END
#define CYG_FB_WRITE_PALETTE(_fb_, _first_, _count_, _data_, _when_) \
CYG_MACRO_START \
cyg_fb_write_palette(& CYG_FB_STRUCT(_fb_), _first_, _count_, _data_, _when_); \
CYG_MACRO_END
#define CYG_FB_READ_PALETTE(_fb_, _first_, _count_, _data_) \
CYG_MACRO_START \
cyg_fb_read_palette(& CYG_FB_STRUCT(_fb_), _first_, _count_, _data_); \
CYG_MACRO_END
#define CYG_FB_WRITE_PIXEL(_fb_, _x_, _y_, _colour_) \
CYG_FB__AUX(_fb_, _WRITE_PIXEL)(_x_, _y_, _colour_)
#define CYG_FB_READ_PIXEL(_fb_, _x_, _y_) \
CYG_FB__AUX(_fb_, _READ_PIXEL)(_x_, _y_)
#define CYG_FB_WRITE_HLINE(_fb_, _x_, _y_, _len_, _colour_) \
CYG_FB__AUX(_fb_, _WRITE_HLINE)(_x_, _y_, _len_, _colour_)
#define CYG_FB_WRITE_VLINE(_fb_, _x_, _y_, _len_, _colour_) \
CYG_FB__AUX(_fb_, _WRITE_VLINE)(_x_, _y_, _len_, _colour_)
#define CYG_FB_FILL_BLOCK(_fb_, _x_, _y_, _width_, _height_, _colour_) \
CYG_FB__AUX(_fb_, _FILL_BLOCK)(_x_, _y_, _width_, _height_, _colour_)
#define CYG_FB_WRITE_BLOCK(_fb_, _x_, _y_, _width_, _height_, _data_, _offset_, _stride_) \
CYG_FB__AUX(_fb_, _WRITE_BLOCK)(_x_, _y_, _width_, _height_, _data_, _offset_, _stride_)
#define CYG_FB_READ_BLOCK(_fb_, _x_, _y_, _width_, _height_, _data_, _offset_, _stride_) \
CYG_FB__AUX(_fb_, _READ_BLOCK)(_x_, _y_, _width_, _height_, _data_, _offset_, _stride_)
#define CYG_FB_MOVE_BLOCK(_fb_, _x_, _y_, _width_, _height_, _new_x_, _new_y_) \
CYG_FB__AUX(_fb_, _MOVE_BLOCK)(_x_, _y_, _width_, _height_, _new_x_, _new_y_)
#define CYG_FB_MAKE_COLOUR(_fb_, _r_, _g_, _b_) \
CYG_FB__AUX(_fb_, _MAKE_COLOUR)(_r_, _g_, _b_)
#define CYG_FB_MAKE_COLOR(_fb_, _r_, _g_, _b_) \
CYG_FB__AUX(_fb_, _MAKE_COLOUR)(_r_, _g_, _b_)
#define CYG_FB_BREAK_COLOUR(_fb_, _colour_, _r_, _g_, _b_) \
CYG_FB__AUX(_fb_, _BREAK_COLOUR)(_colour_, _r_, _g_, _b_)
#define CYG_FB_BREAK_COLOR(_fb_, _colour_, _r_, _g_, _b_) \
CYG_FB__AUX(_fb_, _BREAK_COLOUR)(_colour_, _r_, _g_, _b_)
// ----------------------------------------------------------------------------
// Default implementations of some of the per-device functions for linear
// framebuffers. Control operations like initialization are always
// device-specific and cannot be implemented by the generic package.
extern void cyg_fb_linear_write_pixel_1LE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_fb_colour);
extern void cyg_fb_linear_write_pixel_1BE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_fb_colour);
extern void cyg_fb_linear_write_pixel_2LE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_fb_colour);
extern void cyg_fb_linear_write_pixel_2BE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_fb_colour);
extern void cyg_fb_linear_write_pixel_4LE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_fb_colour);
extern void cyg_fb_linear_write_pixel_4BE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_fb_colour);
extern void cyg_fb_linear_write_pixel_8( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_fb_colour);
extern void cyg_fb_linear_write_pixel_16( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_fb_colour);
extern void cyg_fb_linear_write_pixel_32( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_fb_colour);
extern cyg_fb_colour cyg_fb_linear_read_pixel_1LE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */);
extern cyg_fb_colour cyg_fb_linear_read_pixel_1BE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */);
extern cyg_fb_colour cyg_fb_linear_read_pixel_2LE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */);
extern cyg_fb_colour cyg_fb_linear_read_pixel_2BE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */);
extern cyg_fb_colour cyg_fb_linear_read_pixel_4LE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */);
extern cyg_fb_colour cyg_fb_linear_read_pixel_4BE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */);
extern cyg_fb_colour cyg_fb_linear_read_pixel_8( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */);
extern cyg_fb_colour cyg_fb_linear_read_pixel_16( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */);
extern cyg_fb_colour cyg_fb_linear_read_pixel_32( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */);
extern void cyg_fb_linear_write_hline_1LE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* len */,
cyg_fb_colour);
extern void cyg_fb_linear_write_hline_1BE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* len */,
cyg_fb_colour);
extern void cyg_fb_linear_write_hline_2LE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* len */,
cyg_fb_colour);
extern void cyg_fb_linear_write_hline_2BE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* len */,
cyg_fb_colour);
extern void cyg_fb_linear_write_hline_4LE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* len */,
cyg_fb_colour);
extern void cyg_fb_linear_write_hline_4BE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* len */,
cyg_fb_colour);
extern void cyg_fb_linear_write_hline_8( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* len */,
cyg_fb_colour);
extern void cyg_fb_linear_write_hline_16( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* len */,
cyg_fb_colour);
extern void cyg_fb_linear_write_hline_32( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* len */,
cyg_fb_colour);
extern void cyg_fb_linear_write_vline_1LE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* len */,
cyg_fb_colour);
extern void cyg_fb_linear_write_vline_1BE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* len */,
cyg_fb_colour);
extern void cyg_fb_linear_write_vline_2LE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* len */,
cyg_fb_colour);
extern void cyg_fb_linear_write_vline_2BE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* len */,
cyg_fb_colour);
extern void cyg_fb_linear_write_vline_4LE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* len */,
cyg_fb_colour);
extern void cyg_fb_linear_write_vline_4BE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* len */,
cyg_fb_colour);
extern void cyg_fb_linear_write_vline_8( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* len */,
cyg_fb_colour);
extern void cyg_fb_linear_write_vline_16( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* len */,
cyg_fb_colour);
extern void cyg_fb_linear_write_vline_32( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* len */,
cyg_fb_colour);
extern void cyg_fb_linear_fill_block_1LE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
cyg_fb_colour);
extern void cyg_fb_linear_fill_block_1BE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
cyg_fb_colour);
extern void cyg_fb_linear_fill_block_2LE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
cyg_fb_colour);
extern void cyg_fb_linear_fill_block_2BE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
cyg_fb_colour);
extern void cyg_fb_linear_fill_block_4LE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
cyg_fb_colour);
extern void cyg_fb_linear_fill_block_4BE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
cyg_fb_colour);
extern void cyg_fb_linear_fill_block_8( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
cyg_fb_colour);
extern void cyg_fb_linear_fill_block_16( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
cyg_fb_colour);
extern void cyg_fb_linear_fill_block_32( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
cyg_fb_colour);
extern void cyg_fb_linear_write_block_1LE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
const void* /* source */,
cyg_ucount16 /* offset */, cyg_ucount16 /* stride */);
extern void cyg_fb_linear_write_block_1BE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
const void* /* source */,
cyg_ucount16 /* offset */, cyg_ucount16 /* stride */);
extern void cyg_fb_linear_write_block_2LE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
const void* /* source */,
cyg_ucount16 /* offset */, cyg_ucount16 /* stride */);
extern void cyg_fb_linear_write_block_2BE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
const void* /* source */,
cyg_ucount16 /* offset */, cyg_ucount16 /* stride */);
extern void cyg_fb_linear_write_block_4LE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
const void* /* source */,
cyg_ucount16 /* offset */, cyg_ucount16 /* stride */);
extern void cyg_fb_linear_write_block_4BE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
const void* /* source */,
cyg_ucount16 /* offset */, cyg_ucount16 /* stride */);
extern void cyg_fb_linear_write_block_8( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
const void* /* source */,
cyg_ucount16 /* offset */, cyg_ucount16 /* stride */);
extern void cyg_fb_linear_write_block_16( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
const void* /* source */,
cyg_ucount16 /* offset */, cyg_ucount16 /* stride */);
extern void cyg_fb_linear_write_block_32( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
const void* /* source */,
cyg_ucount16 /* offset */, cyg_ucount16 /* stride */);
extern void cyg_fb_linear_read_block_1LE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
void* /* dest */,
cyg_ucount16 /* offset */, cyg_ucount16 /* stride */);
extern void cyg_fb_linear_read_block_1BE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
void* /* dest */,
cyg_ucount16 /* offset */, cyg_ucount16 /* stride */);
extern void cyg_fb_linear_read_block_2LE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
void* /* dest */,
cyg_ucount16 /* offset */, cyg_ucount16 /* stride */);
extern void cyg_fb_linear_read_block_2BE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
void* /* dest */,
cyg_ucount16 /* offset */, cyg_ucount16 /* stride */);
extern void cyg_fb_linear_read_block_4LE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
void* /* dest */,
cyg_ucount16 /* offset */, cyg_ucount16 /* stride */);
extern void cyg_fb_linear_read_block_4BE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
void* /* dest */,
cyg_ucount16 /* offset */, cyg_ucount16 /* stride */);
extern void cyg_fb_linear_read_block_8( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
void* /* dest */,
cyg_ucount16 /* offset */, cyg_ucount16 /* stride */);
extern void cyg_fb_linear_read_block_16( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
void* /* dest */,
cyg_ucount16 /* offset */, cyg_ucount16 /* stride */);
extern void cyg_fb_linear_read_block_32( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
void* /* dest */,
cyg_ucount16 /* offset */, cyg_ucount16 /* stride */);
extern void cyg_fb_linear_move_block_1LE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
cyg_ucount16 /* new_x */, cyg_ucount16 /* new_y */);
extern void cyg_fb_linear_move_block_1BE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
cyg_ucount16 /* new_x */, cyg_ucount16 /* new_y */);
extern void cyg_fb_linear_move_block_2LE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
cyg_ucount16 /* new_x */, cyg_ucount16 /* new_y */);
extern void cyg_fb_linear_move_block_2BE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
cyg_ucount16 /* new_x */, cyg_ucount16 /* new_y */);
extern void cyg_fb_linear_move_block_4LE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
cyg_ucount16 /* new_x */, cyg_ucount16 /* new_y */);
extern void cyg_fb_linear_move_block_4BE( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
cyg_ucount16 /* new_x */, cyg_ucount16 /* new_y */);
extern void cyg_fb_linear_move_block_8( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
cyg_ucount16 /* new_x */, cyg_ucount16 /* new_y */);
extern void cyg_fb_linear_move_block_16( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
cyg_ucount16 /* new_x */, cyg_ucount16 /* new_y */);
extern void cyg_fb_linear_move_block_32( cyg_fb*,
cyg_ucount16 /* x */, cyg_ucount16 /* y */,
cyg_ucount16 /* width */, cyg_ucount16 /* height */,
cyg_ucount16 /* new_x */, cyg_ucount16 /* new_y */);
// ----------------------------------------------------------------------------
// Dummy implementations of various device functions
extern int cyg_fb_nop_on(cyg_fb*);
extern int cyg_fb_nop_off(cyg_fb*);
extern int cyg_fb_nop_ioctl(cyg_fb*, cyg_uint16, void*, size_t*);
extern void cyg_fb_nop_synch(cyg_fb*, cyg_ucount16);
extern void cyg_fb_nop_write_palette(cyg_fb*, cyg_ucount32, cyg_ucount32, const void*, cyg_ucount16);
extern void cyg_fb_nop_read_palette( cyg_fb*, cyg_ucount32, cyg_ucount32, void*);
extern cyg_fb_colour cyg_fb_nop_make_colour(cyg_fb*, cyg_ucount8, cyg_ucount8, cyg_ucount8);
extern cyg_fb_colour cyg_fb_nop_make_color(cyg_fb*, cyg_ucount8, cyg_ucount8, cyg_ucount8);
extern void cyg_fb_nop_break_colour(cyg_fb*, cyg_fb_colour, cyg_ucount8*, cyg_ucount8*, cyg_ucount8*);
extern void cyg_fb_nop_break_color(cyg_fb*, cyg_fb_colour, cyg_ucount8*, cyg_ucount8*, cyg_ucount8*);
// ----------------------------------------------------------------------------
// Standard palettes. The generic framebuffer package provides EGA and VGA
// palettes.
extern const cyg_uint8 cyg_fb_palette_ega[16 * 3];
extern const cyg_uint8 cyg_fb_palette_vga[256 * 3];
#define CYG_FB_DEFAULT_PALETTE_BLACK 0x00
#define CYG_FB_DEFAULT_PALETTE_BLUE 0x01
#define CYG_FB_DEFAULT_PALETTE_GREEN 0x02
#define CYG_FB_DEFAULT_PALETTE_CYAN 0x03
#define CYG_FB_DEFAULT_PALETTE_RED 0x04
#define CYG_FB_DEFAULT_PALETTE_MAGENTA 0x05
#define CYG_FB_DEFAULT_PALETTE_BROWN 0x06
#define CYG_FB_DEFAULT_PALETTE_LIGHTGREY 0x07
#define CYG_FB_DEFAULT_PALETTE_LIGHTGRAY 0x07
#define CYG_FB_DEFAULT_PALETTE_DARKGREY 0x08
#define CYG_FB_DEFAULT_PALETTE_DARKGRAY 0x08
#define CYG_FB_DEFAULT_PALETTE_LIGHTBLUE 0x09
#define CYG_FB_DEFAULT_PALETTE_LIGHTGREEN 0x0A
#define CYG_FB_DEFAULT_PALETTE_LIGHTCYAN 0x0B
#define CYG_FB_DEFAULT_PALETTE_LIGHTRED 0x0C
#define CYG_FB_DEFAULT_PALETTE_LIGHTMAGENTA 0x0D
#define CYG_FB_DEFAULT_PALETTE_YELLOW 0x0E
#define CYG_FB_DEFAULT_PALETTE_WHITE 0x0F
// ----------------------------------------------------------------------------
// Support for some common true colour modes
#define CYG_FB_MAKE_COLOUR_8BPP_TRUE_332(_r_, _g_, _b_) \
({ cyg_fb_colour _colour_; \
_colour_ = ((((_r_) & 0x00E0) >> 0) | (((_g_) & 0x00E0) >> 3) | (((_b_) & 0x00C0) >> 6)); \
_colour_; })
#define CYG_FB_BREAK_COLOUR_8BPP_TRUE_332(_colour_, _r_, _g_, _b_ ) \
CYG_MACRO_START \
*(_r_) = ((_colour_) << 0) & 0x00E0; \
*(_g_) = ((_colour_) << 3) & 0x00E0; \
*(_g_) = ((_colour_) << 6) & 0x00C0; \
CYG_MACRO_END
#define CYG_FB_MAKE_COLOUR_16BPP_TRUE_565(_r_, _g_, _b_) \
({ ((((_r_) & 0x00F8) << 8) | (((_g_) & 0x00FC) << 3) | (((_b_) & 0x00F8) >> 3)); })
#define CYG_FB_BREAK_COLOUR_16BPP_TRUE_565(_colour_, _r_, _g_, _b_) \
CYG_MACRO_START \
*(_r_) = ((_colour_) >> 8) & 0x00F8; \
*(_g_) = ((_colour_) >> 3) & 0x00FC; \
*(_b_) = ((_colour_) << 3) & 0x00F8; \
CYG_MACRO_END
#define CYG_FB_MAKE_COLOUR_16BPP_TRUE_555(_r_, _g_, _b_) \
({ ((((_r_) & 0x00F8) << 7) | (((_g_) & 0x00F8) << 2) | (((_b_) & 0x00F8) >> 3)); })
#define CYG_FB_BREAK_COLOUR_16BPP_TRUE_555(_colour_, _r_, _g_, _b_) \
CYG_MACRO_START \
*(_r_) = ((_colour_) >> 7) & 0x00F8; \
*(_g_) = ((_colour_) >> 2) & 0x00F8; \
*(_b_) = ((_colour_) << 3) & 0x00F8; \
CYG_MACRO_END
#define CYG_FB_MAKE_COLOUR_32BPP_TRUE_0888(_r_, _g_, _b_) \
({ (((_r_) << 16) | ((_g_) << 8) | (_b_)); })
#define CYG_FB_BREAK_COLOUR_32BPP_TRUE_0888(_colour_, _r_, _g_, _b_) \
CYG_MACRO_START \
*(_r_) = ((_colour_) >> 16) & 0x00FF; \
*(_g_) = ((_colour_) >> 8) & 0x00FF; \
*(_b_) = ((_colour_) ) & 0x00FF; \
CYG_MACRO_END
extern cyg_fb_colour cyg_fb_dev_make_colour_8bpp_true_332(cyg_fb*, cyg_ucount8, cyg_ucount8, cyg_ucount8);
extern void cyg_fb_dev_break_colour_8bpp_true_332(cyg_fb*, cyg_fb_colour, cyg_ucount8*, cyg_ucount8*, cyg_ucount8*);
extern cyg_fb_colour cyg_fb_dev_make_colour_16bpp_true_565(cyg_fb*, cyg_ucount8, cyg_ucount8, cyg_ucount8);
extern void cyg_fb_dev_break_colour_16bpp_true_565(cyg_fb*, cyg_fb_colour, cyg_ucount8*, cyg_ucount8*, cyg_ucount8*);
extern cyg_fb_colour cyg_fb_dev_make_colour_16bpp_true_555(cyg_fb*, cyg_ucount8, cyg_ucount8, cyg_ucount8);
extern void cyg_fb_dev_break_colour_16bpp_true_555(cyg_fb*, cyg_fb_colour, cyg_ucount8*, cyg_ucount8*, cyg_ucount8*);
extern cyg_fb_colour cyg_fb_dev_make_colour_32bpp_true_0888(cyg_fb*, cyg_ucount8, cyg_ucount8, cyg_ucount8);
extern void cyg_fb_dev_break_colour_32bpp_true_0888(cyg_fb*, cyg_fb_colour, cyg_ucount8*, cyg_ucount8*, cyg_ucount8*);
// ----------------------------------------------------------------------------
// A custom build step combines all the header files from the various
// framebuffer devices (usually just one) into a single header. This
// makes it easier for portable higher-level code to work with
// whatever devices happen to be available.
#include <cyg/io/framebufs/framebufs.h>
//-----------------------------------------------------------------------------
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif // ifndef CYGONCE_IO_FRAMEBUF_H
// End of framebuf.h
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