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-rw-r--r--common/lcd.c143
1 files changed, 86 insertions, 57 deletions
diff --git a/common/lcd.c b/common/lcd.c
index 77914ad..edae835 100644
--- a/common/lcd.c
+++ b/common/lcd.c
@@ -83,9 +83,35 @@
#define CONFIG_CONSOLE_SCROLL_LINES 1
#endif
-DECLARE_GLOBAL_DATA_PTR;
+/************************************************************************/
+/* ** CONSOLE DEFINITIONS & FUNCTIONS */
+/************************************************************************/
+#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
+# define CONSOLE_ROWS ((panel_info.vl_row-BMP_LOGO_HEIGHT) \
+ / VIDEO_FONT_HEIGHT)
+#else
+# define CONSOLE_ROWS (panel_info.vl_row / VIDEO_FONT_HEIGHT)
+#endif
-ulong lcd_setmem (ulong addr);
+#define CONSOLE_COLS (panel_info.vl_col / VIDEO_FONT_WIDTH)
+#define CONSOLE_ROW_SIZE (VIDEO_FONT_HEIGHT * lcd_line_length)
+#define CONSOLE_ROW_FIRST lcd_console_address
+#define CONSOLE_ROW_SECOND (lcd_console_address + CONSOLE_ROW_SIZE)
+#define CONSOLE_ROW_LAST (lcd_console_address + CONSOLE_SIZE \
+ - CONSOLE_ROW_SIZE)
+#define CONSOLE_SIZE (CONSOLE_ROW_SIZE * CONSOLE_ROWS)
+#define CONSOLE_SCROLL_SIZE (CONSOLE_SIZE - CONSOLE_ROW_SIZE)
+
+#if LCD_BPP == LCD_MONOCHROME
+# define COLOR_MASK(c) ((c) | (c) << 1 | (c) << 2 | (c) << 3 | \
+ (c) << 4 | (c) << 5 | (c) << 6 | (c) << 7)
+#elif (LCD_BPP == LCD_COLOR8) || (LCD_BPP == LCD_COLOR16)
+# define COLOR_MASK(c) (c)
+#else
+# error Unsupported LCD BPP.
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
static void lcd_drawchars(ushort x, ushort y, uchar *str, int count);
static inline void lcd_puts_xy(ushort x, ushort y, uchar *s);
@@ -93,22 +119,25 @@ static inline void lcd_putc_xy(ushort x, ushort y, uchar c);
static int lcd_init(void *lcdbase);
-static void *lcd_logo (void);
+static void *lcd_logo(void);
static int lcd_getbgcolor(void);
static void lcd_setfgcolor(int color);
static void lcd_setbgcolor(int color);
+static int lcd_color_fg;
+static int lcd_color_bg;
+int lcd_line_length;
+
char lcd_is_enabled = 0;
-static char lcd_flush_dcache; /* 1 to flush dcache after each lcd update */
+static short console_col;
+static short console_row;
+static void *lcd_console_address;
+static void *lcd_base; /* Start of framebuffer memory */
-#ifdef NOT_USED_SO_FAR
-static void lcd_getcolreg(ushort regno,
- ushort *red, ushort *green, ushort *blue);
-static int lcd_getfgcolor(void);
-#endif /* NOT_USED_SO_FAR */
+static char lcd_flush_dcache; /* 1 to flush dcache after each lcd update */
/************************************************************************/
@@ -148,7 +177,7 @@ static void console_scrollup(void)
/* Clear the last rows */
memset(lcd_console_address + CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows,
COLOR_MASK(lcd_color_bg),
- CONSOLE_ROW_SIZE * rows);
+ CONSOLE_ROW_SIZE * rows);
lcd_sync();
console_row -= rows;
@@ -160,9 +189,8 @@ static inline void console_back(void)
{
if (--console_col < 0) {
console_col = CONSOLE_COLS-1 ;
- if (--console_row < 0) {
+ if (--console_row < 0)
console_row = 0;
- }
}
lcd_putc_xy(console_col * VIDEO_FONT_WIDTH,
@@ -173,16 +201,13 @@ static inline void console_back(void)
static inline void console_newline(void)
{
- ++console_row;
console_col = 0;
/* Check if we need to scroll the terminal */
- if (console_row >= CONSOLE_ROWS) {
- /* Scroll everything up */
+ if (++console_row >= CONSOLE_ROWS)
console_scrollup();
- } else {
+ else
lcd_sync();
- }
}
/*----------------------------------------------------------------------*/
@@ -234,9 +259,9 @@ void lcd_puts(const char *s)
return;
}
- while (*s) {
+ while (*s)
lcd_putc(*s++);
- }
+
lcd_sync();
}
@@ -283,7 +308,7 @@ static void lcd_drawchars(ushort x, ushort y, uchar *str, int count)
#endif
#if LCD_BPP == LCD_MONOCHROME
- uchar rest = *d & -(1 << (8-off));
+ uchar rest = *d & -(1 << (8 - off));
uchar sym;
#endif
for (i = 0; i < count; ++i) {
@@ -313,7 +338,7 @@ static void lcd_drawchars(ushort x, ushort y, uchar *str, int count)
#endif
}
#if LCD_BPP == LCD_MONOCHROME
- *d = rest | (*d & ((1 << (8-off)) - 1));
+ *d = rest | (*d & ((1 << (8 - off)) - 1));
#endif
}
}
@@ -340,7 +365,7 @@ static inline void lcd_putc_xy(ushort x, ushort y, uchar c)
#define N_BLK_VERT 2
#define N_BLK_HOR 3
-static int test_colors[N_BLK_HOR*N_BLK_VERT] = {
+static int test_colors[N_BLK_HOR * N_BLK_VERT] = {
CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW,
CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN,
};
@@ -361,7 +386,7 @@ static void test_pattern(void)
for (v = 0; v < v_max; ++v) {
uchar iy = v / v_step;
for (h = 0; h < h_max; ++h) {
- uchar ix = N_BLK_HOR * iy + (h/h_step);
+ uchar ix = N_BLK_HOR * iy + h / h_step;
*pix++ = test_colors[ix];
}
}
@@ -379,12 +404,12 @@ int lcd_get_size(int *line_length)
return *line_length * panel_info.vl_row;
}
-int drv_lcd_init (void)
+int drv_lcd_init(void)
{
struct stdio_dev lcddev;
int rc;
- lcd_base = (void *)(gd->fb_base);
+ lcd_base = (void *) gd->fb_base;
lcd_init(lcd_base); /* LCD initialization */
@@ -397,7 +422,7 @@ int drv_lcd_init (void)
lcddev.putc = lcd_putc; /* 'putc' function */
lcddev.puts = lcd_puts; /* 'puts' function */
- rc = stdio_register (&lcddev);
+ rc = stdio_register(&lcddev);
return (rc == 0) ? 1 : rc;
}
@@ -436,11 +461,11 @@ void lcd_clear(void)
/* set framebuffer to background color */
memset((char *)lcd_base,
COLOR_MASK(lcd_getbgcolor()),
- lcd_line_length*panel_info.vl_row);
+ lcd_line_length * panel_info.vl_row);
#endif
/* Paint the logo and retrieve LCD base address */
debug("[LCD] Drawing the logo...\n");
- lcd_console_address = lcd_logo ();
+ lcd_console_address = lcd_logo();
console_col = 0;
console_row = 0;
@@ -468,11 +493,23 @@ static int lcd_init(void *lcdbase)
debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase);
lcd_ctrl_init(lcdbase);
+
+ /*
+ * lcd_ctrl_init() of some drivers (i.e. bcm2835 on rpi_b) ignores
+ * the 'lcdbase' argument and uses custom lcd base address
+ * by setting up gd->fb_base. Check for this condition and fixup
+ * 'lcd_base' address.
+ */
+ if ((unsigned long)lcdbase != gd->fb_base)
+ lcd_base = (void *)gd->fb_base;
+
+ debug("[LCD] Using LCD frambuffer at %p\n", lcd_base);
+
lcd_get_size(&lcd_line_length);
lcd_line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8;
lcd_is_enabled = 1;
lcd_clear();
- lcd_enable ();
+ lcd_enable();
/* Initialize the console */
console_col = 0;
@@ -513,7 +550,8 @@ ulong lcd_setmem(ulong addr)
/* Allocate pages for the frame buffer. */
addr -= size;
- debug("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr);
+ debug("Reserving %ldk for LCD Framebuffer at: %08lx\n",
+ size >> 10, addr);
return addr;
}
@@ -534,12 +572,10 @@ static void lcd_setbgcolor(int color)
/*----------------------------------------------------------------------*/
-#ifdef NOT_USED_SO_FAR
-static int lcd_getfgcolor(void)
+int lcd_getfgcolor(void)
{
return lcd_color_fg;
}
-#endif /* NOT_USED_SO_FAR */
/*----------------------------------------------------------------------*/
@@ -548,8 +584,6 @@ static int lcd_getbgcolor(void)
return lcd_color_bg;
}
-/*----------------------------------------------------------------------*/
-
/************************************************************************/
/* ** Chipset depending Bitmap / Logo stuff... */
/************************************************************************/
@@ -566,13 +600,11 @@ static inline ushort *configuration_get_cmap(void)
return (ushort *)(panel_info.mmio + ATMEL_LCDC_LUT(0));
#elif !defined(CONFIG_ATMEL_HLCD) && !defined(CONFIG_EXYNOS_FB)
return panel_info.cmap;
-#else
-#if defined(CONFIG_LCD_LOGO)
+#elif defined(CONFIG_LCD_LOGO)
return bmp_logo_palette;
#else
return NULL;
#endif
-#endif
}
#ifdef CONFIG_LCD_LOGO
@@ -591,15 +623,16 @@ void bitmap_plot(int x, int y)
immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
cpm8xx_t *cp = &(immr->im_cpm);
#endif
+ unsigned bpix = NBITS(panel_info.vl_bpix);
debug("Logo: width %d height %d colors %d cmap %d\n",
BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS,
ARRAY_SIZE(bmp_logo_palette));
bmap = &bmp_logo_bitmap[0];
- fb = (uchar *)(lcd_base + y * lcd_line_length + x);
+ fb = (uchar *)(lcd_base + y * lcd_line_length + x * bpix / 8);
- if (NBITS(panel_info.vl_bpix) < 12) {
+ if (bpix < 12) {
/* Leave room for default color map
* default case: generic system with no cmap (most likely 16bpp)
* cmap was set to the source palette, so no change is done.
@@ -645,12 +678,12 @@ void bitmap_plot(int x, int y)
for (i = 0; i < BMP_LOGO_HEIGHT; ++i) {
memcpy(fb, bmap, BMP_LOGO_WIDTH);
bmap += BMP_LOGO_WIDTH;
- fb += panel_info.vl_col;
+ fb += panel_info.vl_col;
}
}
else { /* true color mode */
u16 col16;
- fb16 = (ushort *)(lcd_base + y * lcd_line_length + x);
+ fb16 = (ushort *)fb;
for (i = 0; i < BMP_LOGO_HEIGHT; ++i) {
for (j = 0; j < BMP_LOGO_WIDTH; j++) {
col16 = bmp_logo_palette[(bmap[j]-16)];
@@ -736,12 +769,11 @@ static void draw_encoded_bitmap(ushort **fbp, ushort c, int cnt)
*fb++ = c;
cnt--;
}
- (*fbp) = fb;
+ *fbp = fb;
}
/*
- * Do not call this function directly, must be called from
- * lcd_display_bitmap.
+ * Do not call this function directly, must be called from lcd_display_bitmap.
*/
static void lcd_display_rle8_bitmap(bmp_image_t *bmp, ushort *cmap, uchar *fb,
int x_off, int y_off)
@@ -868,8 +900,8 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
unsigned long pwidth = panel_info.vl_col;
unsigned colors, bpix, bmp_bpix;
- if (!bmp || !((bmp->header.signature[0] == 'B') &&
- (bmp->header.signature[1] == 'M'))) {
+ if (!bmp || !(bmp->header.signature[0] == 'B' &&
+ bmp->header.signature[1] == 'M')) {
printf("Error: no valid bmp image at %lx\n", bmp_image);
return 1;
@@ -882,7 +914,7 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
bpix = NBITS(panel_info.vl_bpix);
- if ((bpix != 1) && (bpix != 8) && (bpix != 16) && (bpix != 32)) {
+ if (bpix != 1 && bpix != 8 && bpix != 16 && bpix != 32) {
printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
bpix, bmp_bpix);
@@ -950,7 +982,7 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
}
#endif
- padded_width = (width&0x3) ? ((width&~0x3)+4) : (width);
+ padded_width = (width & 0x3 ? (width & ~0x3) + 4 : width);
#ifdef CONFIG_SPLASH_SCREEN_ALIGN
splash_align_axis(&x, pwidth, width);
@@ -962,7 +994,7 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
if ((y + height) > panel_info.vl_row)
height = panel_info.vl_row - y;
- bmap = (uchar *)bmp + le32_to_cpu(bmp->header.data_offset);
+ bmap = (uchar *) bmp + le32_to_cpu(bmp->header.data_offset);
fb = (uchar *) (lcd_base +
(y + height - 1) * lcd_line_length + x * bpix / 8);
@@ -997,7 +1029,7 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
}
}
bmap += (padded_width - width);
- fb -= (byte_width + lcd_line_length);
+ fb -= byte_width + lcd_line_length;
}
break;
@@ -1009,7 +1041,7 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
fb_put_word(&fb, &bmap);
bmap += (padded_width - width) * 2;
- fb -= (width * 2 + lcd_line_length);
+ fb -= width * 2 + lcd_line_length;
}
break;
#endif /* CONFIG_BMP_16BPP */
@@ -1023,7 +1055,7 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
*(fb++) = *(bmap++);
*(fb++) = *(bmap++);
}
- fb -= (lcd_line_length + width * (bpix / 8));
+ fb -= lcd_line_length + width * (bpix / 8);
}
break;
#endif /* CONFIG_BMP_32BPP */
@@ -1098,7 +1130,7 @@ static void *lcd_logo(void)
return (void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length);
#else
return (void *)lcd_base;
-#endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */
+#endif /* CONFIG_LCD_LOGO && !defined(CONFIG_LCD_INFO_BELOW_LOGO) */
}
#ifdef CONFIG_SPLASHIMAGE_GUARD
@@ -1150,6 +1182,3 @@ int lcd_get_screen_columns(void)
{
return CONSOLE_COLS;
}
-
-/************************************************************************/
-/************************************************************************/
generated by cgit v1.1 at 2024-12-22 13:19:53 +0000