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CLCD added as new capability, code note added yet

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This commit is contained in:
Amit Mahajan
2009-12-04 00:54:23 +05:30
parent fcc1e52bea
commit 3d2b87d488
14 changed files with 604 additions and 5 deletions
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68
conts/libdev/clcd/pl110/src/pl110_clcd.c Normal file
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#include <pl110_clcd.h>
#define read(a) *((volatile unsigned int *)(a))
#define write(v, a) (*((volatile unsigned int *)(a)) = v)
#define setbit(bit, a) write(read(a) | bit, a)
#define clrbit(bit, a) write(read(a) & ~bit, a)
/*
* Default panel, we will use this for now
* Seems like qemu has support for this
*/
static struct pl110_clcd_panel vga = {
.mode = {
.name = "VGA",
.refresh = 60,
.xres = 640,
.yres = 480,
.pixclock = 39721,
.left_margin = 40,
.right_margin = 24,
.upper_margin = 32,
.lower_margin = 11,
.hsync_len = 96,
.vsync_len = 2,
.sync = 0,
.vmode = SCAN_VMODE_NONINTERLACED,
},
.width = -1,
.height = -1,
.tim2 = PL110_TIM2_BCD | PL110_TIM2_IPC,
.cntl = PL110_CNTL_LCDTFT | PL110_CNTL_LCDVCOMP(1),
.bpp = 16,
};
static void pl110_clcd_set_uppanel_fb(unsigned int clcd_base,
unsigned int fb_base)
{
write(fb_base, (clcd_base + PL110_CLCD_UPBASE));
}
#if 0
static void pl110_clcd_set_lwrpanel_fb(unsigned int clcd_base, unsigned int fb_base)
{
write(fb_base, (clcd_base +PL110_CLCD_LPBASE));
}
static unsigned int pl110_clcd_get_uppanel_fb(unsigned int clcd_base)
{
return read((clcd_base +PL110_CLCD_UPBASE));
}
static unsigned int pl110_clcd_get_lwrpanel_fb(unsigned int clcd_base)
{
return read((clcd_base +PL110_CLCD_LPBASE));
}
#endif
void pl110_initialise(struct pl110_clcd *clcd, char *buf)
{
clcd->panel = &vga;
clcd->frame_buffer = buf;
pl110_clcd_set_uppanel_fb(clcd->virt_base, (unsigned int)(buf));
}