diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/cfb_console.c | 109 |
1 files changed, 53 insertions, 56 deletions
diff --git a/drivers/video/cfb_console.c b/drivers/video/cfb_console.c index 480df64..9be6166 100644 --- a/drivers/video/cfb_console.c +++ b/drivers/video/cfb_console.c @@ -242,8 +242,9 @@ #define CURSOR_SET #endif -#ifdef CONFIG_CONSOLE_CURSOR -#ifdef CURSOR_ON +#if defined(CONFIG_CONSOLE_CURSOR) || defined(CONFIG_VIDEO_SW_CURSOR) +#if defined(CURSOR_ON) || \ + (defined(CONFIG_CONSOLE_CURSOR) && defined(CONFIG_VIDEO_SW_CURSOR)) #error only one of CONFIG_CONSOLE_CURSOR, CONFIG_VIDEO_SW_CURSOR, \ or CONFIG_VIDEO_HW_CURSOR can be defined #endif @@ -251,27 +252,18 @@ void console_cursor(int state); #define CURSOR_ON console_cursor(1) #define CURSOR_OFF console_cursor(0) -#define CURSOR_SET +#define CURSOR_SET video_set_cursor() +#endif /* CONFIG_CONSOLE_CURSOR || CONFIG_VIDEO_SW_CURSOR */ + +#ifdef CONFIG_CONSOLE_CURSOR +#ifndef CONFIG_CONSOLE_TIME +#error CONFIG_CONSOLE_CURSOR must be defined for CONFIG_CONSOLE_TIME +#endif #ifndef CONFIG_I8042_KBD #warning Cursor drawing on/off needs timer function s.a. drivers/input/i8042.c #endif -#else -#ifdef CONFIG_CONSOLE_TIME -#error CONFIG_CONSOLE_CURSOR must be defined for CONFIG_CONSOLE_TIME -#endif #endif /* CONFIG_CONSOLE_CURSOR */ -#ifdef CONFIG_VIDEO_SW_CURSOR -#ifdef CURSOR_ON -#error only one of CONFIG_CONSOLE_CURSOR, CONFIG_VIDEO_SW_CURSOR, \ - or CONFIG_VIDEO_HW_CURSOR can be defined -#endif -#define CURSOR_ON -#define CURSOR_OFF video_putchar(console_col * VIDEO_FONT_WIDTH,\ - console_row * VIDEO_FONT_HEIGHT, ' ') -#define CURSOR_SET video_set_cursor() -#endif /* CONFIG_VIDEO_SW_CURSOR */ - #ifdef CONFIG_VIDEO_HW_CURSOR #ifdef CURSOR_ON @@ -376,6 +368,10 @@ static void *video_console_address; /* console buffer start address */ static int video_logo_height = VIDEO_LOGO_HEIGHT; +static int cursor_state; +static int old_col; +static int old_row; + static int console_col; /* cursor col */ static int console_row; /* cursor row */ @@ -435,6 +431,22 @@ static const int video_font_draw_table32[16][4] = { }; +static void video_invertchar(int xx, int yy) +{ + int firstx = xx * VIDEO_PIXEL_SIZE; + int lastx = (xx + VIDEO_FONT_WIDTH) * VIDEO_PIXEL_SIZE; + int firsty = yy * VIDEO_LINE_LEN; + int lasty = (yy + VIDEO_FONT_HEIGHT) * VIDEO_LINE_LEN; + int x, y; + for (y = firsty; y < lasty; y += VIDEO_LINE_LEN) { + for (x = firstx; x < lastx; x++) { + u8 *dest = (u8 *)(video_fb_address) + x + y; + *dest = ~*dest; + } + } +} + + static void video_drawchars(int xx, int yy, unsigned char *s, int count) { u8 *cdat, *dest, *dest0; @@ -610,27 +622,15 @@ static void video_putchar(int xx, int yy, unsigned char c) #if defined(CONFIG_CONSOLE_CURSOR) || defined(CONFIG_VIDEO_SW_CURSOR) static void video_set_cursor(void) { - /* swap drawing colors */ - eorx = fgx; - fgx = bgx; - bgx = eorx; - eorx = fgx ^ bgx; - /* draw cursor */ - video_putchar(console_col * VIDEO_FONT_WIDTH, - console_row * VIDEO_FONT_HEIGHT, ' '); - /* restore drawing colors */ - eorx = fgx; - fgx = bgx; - bgx = eorx; - eorx = fgx ^ bgx; + if (cursor_state) + console_cursor(0); + console_cursor(1); } -#endif -#ifdef CONFIG_CONSOLE_CURSOR + + void console_cursor(int state) { - static int last_state = 0; - #ifdef CONFIG_CONSOLE_TIME struct rtc_time tm; char info[16]; @@ -652,17 +652,22 @@ void console_cursor(int state) } #endif - if (state && (last_state != state)) { - video_set_cursor(); - } - - if (!state && (last_state != state)) { - /* clear cursor */ - video_putchar(console_col * VIDEO_FONT_WIDTH, - console_row * VIDEO_FONT_HEIGHT, ' '); + if (cursor_state != state) { + if (cursor_state) { + /* turn off the cursor */ + video_invertchar(old_col * VIDEO_FONT_WIDTH, + old_row * VIDEO_FONT_HEIGHT + + video_logo_height); + } else { + /* turn off the cursor and record where it is */ + video_invertchar(console_col * VIDEO_FONT_WIDTH, + console_row * VIDEO_FONT_HEIGHT + + video_logo_height); + old_col = console_col; + old_row = console_row; + } + cursor_state = state; } - - last_state = state; } #endif @@ -729,19 +734,11 @@ static void console_back(void) if (console_row < 0) console_row = 0; } - video_putchar(console_col * VIDEO_FONT_WIDTH, - console_row * VIDEO_FONT_HEIGHT, ' '); + CURSOR_SET; } static void console_newline(void) { - /* Check if last character in the line was just drawn. If so, cursor was - overwriten and need not to be cleared. Cursor clearing without this - check causes overwriting the 1st character of the line if line lenght - is >= CONSOLE_COLS - */ - if (console_col < CONSOLE_COLS) - CURSOR_OFF; console_row++; console_col = 0; @@ -757,7 +754,6 @@ static void console_newline(void) static void console_cr(void) { - CURSOR_OFF; console_col = 0; } @@ -765,6 +761,8 @@ void video_putc(const char c) { static int nl = 1; + CURSOR_OFF; + switch (c) { case 13: /* back to first column */ console_cr(); @@ -777,7 +775,6 @@ void video_putc(const char c) break; case 9: /* tab 8 */ - CURSOR_OFF; console_col |= 0x0008; console_col &= ~0x0007; |