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extended driver vector to incorporate framebuffer driver

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This commit is contained in:
Markus Fröschle
2014-01-01 11:08:24 +00:00
parent 6293dfb48f
commit 45dc5b564a
5 changed files with 170 additions and 23 deletions
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3
bas.lk.in
View File

@@ -118,7 +118,7 @@ SECTIONS
__BAS_BSS_END = .;
#endif /* COMPILE_RAM */
#if (FORMAT == elf32-m68k)
#if FORMAT == elf32-m68k
*(.rodata)
*(.rodata.*)
#endif
@@ -148,6 +148,7 @@ SECTIONS
.driver_memory :
{
. = ALIGN(4);
_driver_mem_buffer = .;
//. = . + DRIVER_MEM_BUFFER_SIZE;
} > driver_ram

20
if/driver_vec.c
View File

@@ -25,10 +25,10 @@
#include <stdint.h>
#include <stddef.h>
#include "driver_vec.h"
#include "version.h"
#include "xhdi_sd.h"
#include "dma.h"
#include "driver_vec.h"
#include "driver_mem.h"
/*
@@ -67,6 +67,16 @@ static struct dma_driver_interface dma_interface =
.dma_free = driver_mem_free
};
extern const struct fb_info *info_fb;
/*
* driver interface struct for the BaS framebuffer video driver
*/
static struct framebuffer_driver_interface framebuffer_interface =
{
.framebuffer_info = &info_fb
};
static struct generic_interface interfaces[] =
{
{
@@ -87,6 +97,14 @@ static struct generic_interface interfaces[] =
.revision = 1,
.interface.dma = &dma_interface,
},
{
.type = VIDEO_DRIVER,
.name = "RADEON",
.description = "BaS RADEON framebuffer driver",
.version = 0,
.revision = 1,
.interface.fb = &framebuffer_interface,
},
/* insert new drivers here */

128
include/driver_vec.h
View File

@@ -76,11 +76,139 @@ struct xhdi_driver_interface
uint32_t (*xhdivec)();
};
/* Interpretation of offset for color fields: All offsets are from the right,
* inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you
* can use the offset as right argument to <<). A pixel afterwards is a bit
* stream and is written to video memory as that unmodified. This implies
* big-endian byte order if bits_per_pixel is greater than 8.
*/
struct fb_bitfield
{
unsigned long offset; /* beginning of bitfield */
unsigned long length; /* length of bitfield */
unsigned long msb_right; /* != 0 : Most significant bit is */
/* right */
};
/*
* the following structures define the interface to the BaS-builtin-framebuffer video driver
*/
struct fb_var_screeninfo
{
unsigned long xres; /* visible resolution */
unsigned long yres;
unsigned long xres_virtual; /* virtual resolution */
unsigned long yres_virtual;
unsigned long xoffset; /* offset from virtual to visible */
unsigned long yoffset; /* resolution */
unsigned long bits_per_pixel; /* guess what */
unsigned long grayscale; /* != 0 Graylevels instead of colors */
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 */
unsigned long nonstd; /* != 0 Non standard pixel format */
unsigned long activate; /* see FB_ACTIVATE_* */
unsigned long height; /* height of picture in mm */
unsigned long width; /* width of picture in mm */
unsigned long accel_flags; /* (OBSOLETE) see fb_info.flags */
/* Timing: All values in pixclocks, except pixclock (of course) */
unsigned long pixclock; /* pixel clock in ps (pico seconds) */
unsigned long left_margin; /* time from sync to picture */
unsigned long right_margin; /* time from picture to sync */
unsigned long upper_margin; /* time from sync to picture */
unsigned long lower_margin;
unsigned long hsync_len; /* length of horizontal sync */
unsigned long vsync_len; /* length of vertical sync */
unsigned long sync; /* see FB_SYNC_* */
unsigned long vmode; /* see FB_VMODE_* */
unsigned long rotate; /* angle we rotate counter clockwise */
unsigned long refresh;
unsigned long reserved[4]; /* Reserved for future compatibility */
};
struct fb_fix_screeninfo
{
char id[16]; /* identification string eg "TT Builtin" */
unsigned long smem_start; /* Start of frame buffer mem */
/* (physical address) */
unsigned long smem_len; /* Length of frame buffer mem */
unsigned long type; /* see FB_TYPE_* */
unsigned long type_aux; /* Interleave for interleaved Planes */
unsigned long visual; /* see FB_VISUAL_* */
unsigned short xpanstep; /* zero if no hardware panning */
unsigned short ypanstep; /* zero if no hardware panning */
unsigned short ywrapstep; /* zero if no hardware ywrap */
unsigned long line_length; /* length of a line in bytes */
unsigned long mmio_start; /* Start of Memory Mapped I/O */
/* (physical address) */
unsigned long mmio_len; /* Length of Memory Mapped I/O */
unsigned long accel; /* Indicate to driver which */
/* specific chip/card we have */
unsigned short reserved[3]; /* Reserved for future compatibility */
};
struct fb_chroma
{
unsigned long redx; /* in fraction of 1024 */
unsigned long greenx;
unsigned long bluex;
unsigned long whitex;
unsigned long redy;
unsigned long greeny;
unsigned long bluey;
unsigned long whitey;
};
struct fb_monspecs
{
struct fb_chroma chroma;
struct fb_videomode *modedb; /* mode database */
unsigned char manufacturer[4]; /* Manufacturer */
unsigned char monitor[14]; /* Monitor String */
unsigned char serial_no[14]; /* Serial Number */
unsigned char ascii[14]; /* ? */
unsigned long modedb_len; /* mode database length */
unsigned long model; /* Monitor Model */
unsigned long serial; /* Serial Number - Integer */
unsigned long year; /* Year manufactured */
unsigned long week; /* Week Manufactured */
unsigned long hfmin; /* hfreq lower limit (Hz) */
unsigned long hfmax; /* hfreq upper limit (Hz) */
unsigned long dclkmin; /* pixelclock lower limit (Hz) */
unsigned long dclkmax; /* pixelclock upper limit (Hz) */
unsigned short input; /* display type - see FB_DISP_* */
unsigned short dpms; /* DPMS support - see FB_DPMS_ */
unsigned short signal; /* Signal Type - see FB_SIGNAL_* */
unsigned short vfmin; /* vfreq lower limit (Hz) */
unsigned short vfmax; /* vfreq upper limit (Hz) */
unsigned short gamma; /* Gamma - in fractions of 100 */
unsigned short gtf : 1; /* supports GTF */
unsigned short misc; /* Misc flags - see FB_MISC_* */
unsigned char version; /* EDID version... */
unsigned char revision; /* ...and revision */
unsigned char max_x; /* Maximum horizontal size (cm) */
unsigned char max_y; /* Maximum vertical size (cm) */
};
struct framebuffer_driver_interface
{
struct fb_info **framebuffer_info; /* pointer to an fb_info struct (defined in include/fb.h) */
};
union interface
{
struct generic_driver_interface *gdi;
struct xhdi_driver_interface *xhdi;
struct dma_driver_interface *dma;
struct framebuffer_driver_interface *fb;
};
struct generic_interface