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2009-07-29 Roxana Leontie <roxana.leontie@gmail.com>

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* libmisc/mw-fb/mw_fb.h: Cleaned code and added some more structures.
This commit is contained in:
Joel Sherrill
2009-07-29 13:38:50 +00:00
parent 810f43e625
commit 7895090627
2 changed files with 16 additions and 30 deletions
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4
cpukit/ChangeLog
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@@ -1,3 +1,7 @@
2009-07-29 Roxana Leontie <roxana.leontie@gmail.com>
* libmisc/mw-fb/mw_fb.h: Cleaned code and added some more structures.
2009-07-28 Joel Sherrill <joel.sherrill@oarcorp.com>
* libcsupport/Makefile.am, libcsupport/preinstall.am,

42
cpukit/libmisc/mw-fb/mw_fb.h
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@@ -43,11 +43,23 @@ extern "C" {
#define FB_ACCEL_NONE 0 /* no hardware accelerator */
struct fb_bitfield {
uint32_t offset; /* beginning of bitfield */
uint32_t length; /* length of bitfield */
uint32_t msb_right; /* != 0 : Most significant bit is */
/* right */
};
struct fb_var_screeninfo {
uint32_t xres; /* visible resolution */
uint32_t yres;
uint32_t bits_per_pixel; /* guess what */
struct fb_bitfield red; /* bitfield in fb mem if true color, */
struct fb_bitfield green; /* else only length is significant */
struct fb_bitfield blue;
struct fb_bitfield transp; /* transparency */
};
struct fb_fix_screeninfo {
volatile char *smem_start; /* Start of frame buffer mem */
/* (physical address) */
@@ -66,37 +78,7 @@ struct fb_cmap {
uint16_t *transp; /* transparency, can be NULL */
};
/* type of function to be executed at the driver level */
#define FB_FUNC_ENTER_GRAPHICS 0
#define FB_FUNC_EXIT_GRAPHICS 1
#define FB_FUNC_IS_DIRTY 2
#define FB_FUNC_GET_MODE 3
struct fb_exec_function
{
int func_no;
void *param;
};
/* Micro Framebuffer API Wrapper */
/*
* Returns the mode of the graphics subsystem
*/
extern int ufb_get_mode( int fd, int *mode );
/*
* Tell the driver that the "virtual buffer" is dirty, and an update
* of it to the real device, maybe a serial/parallel LCD or whatever
* is required
*/
extern int ufb_buffer_is_dirty( int fd );
/*
* This function unmaps memory of the FB from the user's space
*/
int ufb_unmmap_from_user_space( int fd, void *addr );
#ifdef __cplusplus
}