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#include <linux/font.h>
#include <linux/string.h>
#include <linux/semaphore.h>
#include <linux/slab.h>
#include <mach/mt_typedefs.h>
#include "mtkfb_console.h"
#include "ddp_hal.h"
// ---------------------------------------------------------------------------
#define MFC_WIDTH (ctxt->fb_width)
#define MFC_HEIGHT (ctxt->fb_height)
#define MFC_BPP (ctxt->fb_bpp)
#define MFC_PITCH (MFC_WIDTH * MFC_BPP)
#define MFC_FG_COLOR (ctxt->fg_color)
#define MFC_BG_COLOR (ctxt->bg_color)
#define MFC_FONT font_vga_8x16
#define MFC_FONT_WIDTH (MFC_FONT.width)
#define MFC_FONT_HEIGHT (MFC_FONT.height)
#define MFC_FONT_DATA (MFC_FONT.data)
#define MFC_ROW_SIZE (MFC_FONT_HEIGHT * MFC_PITCH)
#define MFC_ROW_FIRST ((BYTE*)(ctxt->fb_addr))
#define MFC_ROW_SECOND (MFC_ROW_FIRST + MFC_ROW_SIZE)
#define MFC_ROW_LAST (MFC_ROW_FIRST + MFC_SIZE - MFC_ROW_SIZE)
#define MFC_SIZE (MFC_ROW_SIZE * ctxt->rows)
#define MFC_SCROLL_SIZE (MFC_SIZE - MFC_ROW_SIZE)
#define MAKE_TWO_RGB565_COLOR(high, low) (((low) << 16) | (high))
#define MFC_LOCK() \
do { \
if (down_interruptible(&ctxt->sem)) { \
printk("[MFC] ERROR: Can't get semaphore in %s()\n", \
__func__); \
ASSERT(0); \
return MFC_STATUS_LOCK_FAIL; \
} \
} while (0)
#define MFC_UNLOCK() \
do { \
up(&ctxt->sem); \
} while (0)
// ---------------------------------------------------------------------------
UINT32 MFC_Get_Cursor_Offset(MFC_HANDLE handle)
{
MFC_CONTEXT *ctxt = (MFC_CONTEXT *)handle;
UINT32 offset = ctxt->cursor_col * MFC_FONT_WIDTH*MFC_BPP+ ctxt->cursor_row * MFC_FONT_HEIGHT*MFC_PITCH;
return offset;
}
static void _MFC_DrawChar(MFC_CONTEXT *ctxt, UINT32 x, UINT32 y, char c)
{
BYTE ch = *((BYTE*)&c);
const BYTE *cdat;
BYTE *dest;
INT32 rows, offset;
int font_draw_table16[4];
ASSERT(x <= (MFC_WIDTH - MFC_FONT_WIDTH));
ASSERT(y <= (MFC_HEIGHT - MFC_FONT_HEIGHT));
offset = y * MFC_PITCH + x * MFC_BPP;
dest = (MFC_ROW_FIRST + offset);
switch (MFC_BPP) {
case 2:
font_draw_table16[0] = MAKE_TWO_RGB565_COLOR(MFC_BG_COLOR, MFC_BG_COLOR);
font_draw_table16[1] = MAKE_TWO_RGB565_COLOR(MFC_BG_COLOR, MFC_FG_COLOR);
font_draw_table16[2] = MAKE_TWO_RGB565_COLOR(MFC_FG_COLOR, MFC_BG_COLOR);
font_draw_table16[3] = MAKE_TWO_RGB565_COLOR(MFC_FG_COLOR, MFC_FG_COLOR);
cdat = (const BYTE*)MFC_FONT_DATA + ch * MFC_FONT_HEIGHT;
for (rows = MFC_FONT_HEIGHT; rows--; dest += MFC_PITCH)
{
BYTE bits = *cdat++;
((UINT32*)dest)[0] = font_draw_table16[bits >> 6];
((UINT32*)dest)[1] = font_draw_table16[bits >> 4 & 3];
((UINT32*)dest)[2] = font_draw_table16[bits >> 2 & 3];
((UINT32*)dest)[3] = font_draw_table16[bits & 3];
}
break;
default:
ASSERT(0);
}
}
static void _MFC_ScrollUp(MFC_CONTEXT *ctxt)
{
const UINT32 BG_COLOR = MAKE_TWO_RGB565_COLOR(MFC_BG_COLOR, MFC_BG_COLOR);
UINT32 *ptr = (UINT32 *)MFC_ROW_LAST;
int i = MFC_ROW_SIZE / sizeof(UINT32);
memcpy(MFC_ROW_FIRST, MFC_ROW_SECOND, MFC_SCROLL_SIZE);
while(--i >= 0) {
*ptr ++ = BG_COLOR;
}
}
static void _MFC_Newline(MFC_CONTEXT *ctxt)
{
///Bin:add for filling the color for the blank of this column
while(ctxt->cursor_col < ctxt->cols)
{
_MFC_DrawChar(ctxt,
ctxt->cursor_col * MFC_FONT_WIDTH,
ctxt->cursor_row * MFC_FONT_HEIGHT,
' ');
++ ctxt->cursor_col;
}
++ ctxt->cursor_row;
ctxt->cursor_col = 0;
/* Check if we need to scroll the terminal */
if (ctxt->cursor_row >= ctxt->rows) {
/* Scroll everything up */
_MFC_ScrollUp(ctxt);
/* Decrement row number */
-- ctxt->cursor_row;
}
}
#define CHECK_NEWLINE() \
do { \
if (ctxt->cursor_col >= ctxt->cols) \
_MFC_Newline(ctxt); \
} while(0)
static void _MFC_Putc(MFC_CONTEXT *ctxt, const char c)
{
CHECK_NEWLINE();
switch (c) {
case '\n': /* next line */
_MFC_Newline(ctxt);
break;
case '\r': /* carriage return */
ctxt->cursor_col = 0;
break;
case '\t': /* tab 8 */
ctxt->cursor_col += 8;
ctxt->cursor_col &= ~0x0007;
CHECK_NEWLINE();
break;
default: /* draw the char */
_MFC_DrawChar(ctxt,
ctxt->cursor_col * MFC_FONT_WIDTH,
ctxt->cursor_row * MFC_FONT_HEIGHT,
c);
++ ctxt->cursor_col;
CHECK_NEWLINE();
}
}
// ---------------------------------------------------------------------------
MFC_STATUS MFC_Open(MFC_HANDLE *handle,
void *fb_addr,
unsigned int fb_width,
unsigned int fb_height,
unsigned int fb_bpp,
unsigned int fg_color,
unsigned int bg_color)
{
MFC_CONTEXT *ctxt = NULL;
if (NULL == handle || NULL == fb_addr)
return MFC_STATUS_INVALID_ARGUMENT;
if (fb_bpp != 2)
return MFC_STATUS_NOT_IMPLEMENTED; // only support RGB565
ctxt = kzalloc(sizeof(MFC_CONTEXT), GFP_KERNEL);
if (!ctxt) return MFC_STATUS_OUT_OF_MEMORY;
// init_MUTEX(&ctxt->sem);
sema_init(&ctxt->sem, 1);
ctxt->fb_addr = fb_addr;
ctxt->fb_width = fb_width;
ctxt->fb_height = fb_height;
ctxt->fb_bpp = fb_bpp;
ctxt->fg_color = fg_color;
ctxt->bg_color = bg_color;
ctxt->rows = fb_height / MFC_FONT_HEIGHT;
ctxt->cols = fb_width / MFC_FONT_WIDTH;
ctxt->font_width = MFC_FONT_WIDTH;
ctxt->font_height = MFC_FONT_HEIGHT;
*handle = ctxt;
return MFC_STATUS_OK;
}
MFC_STATUS MFC_Open_Ex(MFC_HANDLE *handle,
void *fb_addr,
unsigned int fb_width,
unsigned int fb_height,
unsigned int fb_pitch,
unsigned int fb_bpp,
unsigned int fg_color,
unsigned int bg_color)
{
MFC_CONTEXT *ctxt = NULL;
if (NULL == handle || NULL == fb_addr)
return MFC_STATUS_INVALID_ARGUMENT;
if (fb_bpp != 2)
return MFC_STATUS_NOT_IMPLEMENTED; // only support RGB565
ctxt = kzalloc(sizeof(MFC_CONTEXT), GFP_KERNEL);
if (!ctxt) return MFC_STATUS_OUT_OF_MEMORY;
// init_MUTEX(&ctxt->sem);
sema_init(&ctxt->sem, 1);
ctxt->fb_addr = fb_addr;
ctxt->fb_width = fb_pitch;
ctxt->fb_height = fb_height;
ctxt->fb_bpp = fb_bpp;
ctxt->fg_color = fg_color;
ctxt->bg_color = bg_color;
ctxt->rows = fb_height / MFC_FONT_HEIGHT;
ctxt->cols = fb_width / MFC_FONT_WIDTH;
ctxt->font_width = MFC_FONT_WIDTH;
ctxt->font_height = MFC_FONT_HEIGHT;
*handle = ctxt;
return MFC_STATUS_OK;
}
MFC_STATUS MFC_Close(MFC_HANDLE handle)
{
if (!handle)
return MFC_STATUS_INVALID_ARGUMENT;
kfree(handle);
return MFC_STATUS_OK;
}
MFC_STATUS MFC_SetColor(MFC_HANDLE handle,
unsigned int fg_color,
unsigned int bg_color)
{
MFC_CONTEXT *ctxt = (MFC_CONTEXT *)handle;
if (!ctxt)
return MFC_STATUS_INVALID_ARGUMENT;
MFC_LOCK();
ctxt->fg_color = fg_color;
ctxt->bg_color = bg_color;
MFC_UNLOCK();
return MFC_STATUS_OK;
}
MFC_STATUS MFC_ResetCursor(MFC_HANDLE handle)
{
MFC_CONTEXT *ctxt = (MFC_CONTEXT *)handle;
if (!ctxt)
return MFC_STATUS_INVALID_ARGUMENT;
MFC_LOCK();
ctxt->cursor_row = ctxt->cursor_col = 0;
MFC_UNLOCK();
return MFC_STATUS_OK;
}
MFC_STATUS MFC_Print(MFC_HANDLE handle, const char *str)
{
MFC_CONTEXT *ctxt = (MFC_CONTEXT *)handle;
int count = 0;
if (!ctxt || !str)
return MFC_STATUS_INVALID_ARGUMENT;
MFC_LOCK();
count = strlen(str);
while (count--)
_MFC_Putc(ctxt, *str++);
MFC_UNLOCK();
return MFC_STATUS_OK;
}
MFC_STATUS MFC_SetMem(MFC_HANDLE handle, const char *str, UINT32 color)
{
MFC_CONTEXT *ctxt = (MFC_CONTEXT *)handle;
int count = 0;
int i,j;
UINT32 *ptr;
if (!ctxt || !str)
return MFC_STATUS_INVALID_ARGUMENT;
MFC_LOCK();
count = strlen(str);
count = count * MFC_FONT_WIDTH;
for(j=0;j<MFC_FONT_HEIGHT;j++){
ptr = (UINT32 *)(ctxt->fb_addr + (j + 1) * MFC_PITCH - count * ctxt->fb_bpp);
for(i=0;i<count * ctxt->fb_bpp/sizeof(UINT32);i++){
*ptr ++ = color;
}
}
MFC_UNLOCK();
return MFC_STATUS_OK;
}
MFC_STATUS MFC_LowMemory_Printf(MFC_HANDLE handle, const char *str, UINT32 fg_color, UINT32 bg_color)
{
MFC_CONTEXT *ctxt = (MFC_CONTEXT *)handle;
int count = 0;
unsigned int col, row, fg_color_mfc, bg_color_mfc;
if (!ctxt || !str)
return MFC_STATUS_INVALID_ARGUMENT;
MFC_LOCK();
count = strlen(str);
////store cursor_col and row for printf low memory char temply
row = ctxt->cursor_row;
col = ctxt->cursor_col;
ctxt->cursor_row = 0;
ctxt->cursor_col = ctxt->cols - count;
fg_color_mfc = ctxt->fg_color;
bg_color_mfc = ctxt->bg_color;
///////////
ctxt->fg_color = fg_color;
ctxt->bg_color = bg_color;
while (count--)
_MFC_Putc(ctxt, *str++);
////restore cursor_col and row for printf low memory char temply
ctxt->cursor_row = row;
ctxt->cursor_col = col;
ctxt->fg_color = fg_color_mfc;
ctxt->bg_color = bg_color_mfc;
///////////
MFC_UNLOCK();
return MFC_STATUS_OK;
}
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