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Diffstat (limited to 'drivers/cfb_console.c')
| -rw-r--r-- | drivers/cfb_console.c | 912 |
1 files changed, 912 insertions, 0 deletions
diff --git a/drivers/cfb_console.c b/drivers/cfb_console.c new file mode 100644 index 0000000..ee2fa9c --- /dev/null +++ b/drivers/cfb_console.c @@ -0,0 +1,912 @@ +/* + * (C) Copyright 2002 ELTEC Elektronik AG + * Frank Gottschling <fgottschling@eltec.de> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * cfb_console.c + * + * Color Framebuffer Console driver for 8/15/16/24/32 bits per pixel. + * + * At the moment only the 8x16 font is tested and the font fore- and + * background color is limited to black/white/gray colors. The Linux + * logo can be placed in the upper left corner and additional board + * information strings (that normaly goes to serial port) can be drawed. + * + * The console driver can use the standard PC keyboard interface (i8042) + * for character input. Character output goes to a memory mapped video + * framebuffer with little or big-endian organisation. + * With environment setting 'console=serial' the console i/o can be + * forced to serial port. + + The driver uses graphic specific defines/parameters/functions: + + (for SMI LynxE graphic chip) + + CONFIG_VIDEO_SMI_LYNXEM - use graphic driver for SMI 710,712,810 + VIDEO_FB_LITTLE_ENDIAN - framebuffer organisation default: big endian + VIDEO_HW_RECTFILL - graphic driver supports hardware rectangle fill + VIDEO_HW_BITBLT - graphic driver supports hardware bit blt + + Console Parameters are set by graphic drivers global struct: + + VIDEO_VISIBLE_COLS - x resolution + VIDEO_VISIBLE_ROWS - y resolution + VIDEO_PIXEL_SIZE - storage size in byte per pixel + VIDEO_DATA_FORMAT - graphical data format GDF + VIDEO_FB_ADRS - start of video memory + + CONFIG_I8042_KBD - AT Keyboard driver for i8042 + VIDEO_KBD_INIT_FCT - init function for keyboard + VIDEO_TSTC_FCT - keyboard_tstc function + VIDEO_GETC_FCT - keyboard_getc function + + CONFIG_CONSOLE_CURSOR - on/off drawing cursor is done with delay + loop in VIDEO_TSTC_FCT (i8042) + CFG_CONSOLE_BLINK_COUNT - value for delay loop - blink rate + CONFIG_CONSOLE_TIME - display time/date in upper right corner, + needs CFG_CMD_DATE and CONFIG_CONSOLE_CURSOR + CONFIG_VIDEO_LOGO - display Linux Logo in upper left corner + CONFIG_CONSOLE_EXTRA_INFO - display additional board information strings + that normaly goes to serial port. This define + requires a board specific function: + video_drawstring (VIDEO_INFO_X, + VIDEO_INFO_Y + i*VIDEO_FONT_HEIGHT, + info); + that fills a info buffer at i=row. + s.a: board/eltec/bab7xx. +CONFIG_VGA_AS_SINGLE_DEVICE - If set the framebuffer device will be initialised + as an output only device. The Keyboard driver + will not be set-up. This may be used, if you + have none or more than one Keyboard devices + (USB Keyboard, AT Keyboard). + +CONFIG_VIDEO_SW_CURSOR: - Draws a cursor after the last character. No + blinking is provided. Uses the macros CURSOR_SET + and CURSOR_OFF. +CONFIG_VIDEO_HW_CURSOR: - Uses the hardware cursor capability of the + graphic chip. Uses the macro CURSOR_SET. + ATTENTION: If booting an OS, the display driver + must disable the hardware register of the graphic + chip. Otherwise a blinking field is displayed +*/ + +#include <common.h> + +#ifdef CONFIG_CFB_CONSOLE + +/*****************************************************************************/ +/* Console device defines with SMI graphic */ +/* Any other graphic must change this section */ +/*****************************************************************************/ + +#ifdef CONFIG_VIDEO_SMI_LYNXEM + +#define VIDEO_FB_LITTLE_ENDIAN +#define VIDEO_HW_RECTFILL +#define VIDEO_HW_BITBLT +#endif + +/*****************************************************************************/ +/* Defines for the CT69000 driver */ +/*****************************************************************************/ +#ifdef CONFIG_VIDEO_CT69000 + +#define VIDEO_FB_LITTLE_ENDIAN +#define VIDEO_HW_RECTFILL +#define VIDEO_HW_BITBLT +#endif + +/*****************************************************************************/ +/* Include video_fb.h after definitions of VIDEO_HW_RECTFILL etc */ +/*****************************************************************************/ +#include <video_fb.h> + +/*****************************************************************************/ +/* some Macros */ +/*****************************************************************************/ +#define VIDEO_VISIBLE_COLS (pGD->winSizeX) +#define VIDEO_VISIBLE_ROWS (pGD->winSizeY) +#define VIDEO_PIXEL_SIZE (pGD->gdfBytesPP) +#define VIDEO_DATA_FORMAT (pGD->gdfIndex) +#define VIDEO_FB_ADRS (pGD->frameAdrs) + +/*****************************************************************************/ +/* Console device defines with i8042 keyboard controller */ +/* Any other keyboard controller must change this section */ +/*****************************************************************************/ + +#ifdef CONFIG_I8042_KBD +#include <i8042.h> + +#define VIDEO_KBD_INIT_FCT i8042_kbd_init() +#define VIDEO_TSTC_FCT i8042_tstc +#define VIDEO_GETC_FCT i8042_getc +#endif + +/*****************************************************************************/ +/* Console device */ +/*****************************************************************************/ + +#include <version.h> +#include <linux/types.h> +#include <devices.h> +#include <video_font.h> +#ifdef CFG_CMD_DATE +#include <rtc.h> + +#endif + +/*****************************************************************************/ +/* Cursor definition: */ +/* CONFIG_CONSOLE_CURSOR: Uses a timer function (see drivers/i8042.c) to */ +/* let the cursor blink. Uses the macros CURSOR_OFF */ +/* and CURSOR_ON. */ +/* CONFIG_VIDEO_SW_CURSOR: Draws a cursor after the last character. No */ +/* blinking is provided. Uses the macros CURSOR_SET */ +/* and CURSOR_OFF. */ +/* CONFIG_VIDEO_HW_CURSOR: Uses the hardware cursor capability of the */ +/* graphic chip. Uses the macro CURSOR_SET. */ +/* ATTENTION: If booting an OS, the display driver */ +/* must disable the hardware register of the graphic */ +/* chip. Otherwise a blinking field is displayed */ +/*****************************************************************************/ +#if !defined(CONFIG_CONSOLE_CURSOR) && \ + !defined(CONFIG_VIDEO_SW_CURSOR) && \ + !defined(CONFIG_VIDEO_HW_CURSOR) +/* no Cursor defined */ +#define CURSOR_ON +#define CURSOR_OFF +#define CURSOR_SET +#endif + +#ifdef CONFIG_CONSOLE_CURSOR +#ifdef CURSOR_ON +#error only one of CONFIG_CONSOLE_CURSOR,CONFIG_VIDEO_SW_CURSOR,CONFIG_VIDEO_HW_CURSOR can be defined +#endif +void console_cursor (int state); +#define CURSOR_ON console_cursor(1); +#define CURSOR_OFF console_cursor(0); +#define CURSOR_SET +#ifndef CONFIG_I8042_KBD +#warning Cursor drawing on/off needs timer function s.a. drivers/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,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 +#error only one of CONFIG_CONSOLE_CURSOR,CONFIG_VIDEO_SW_CURSOR,CONFIG_VIDEO_HW_CURSOR can be defined +#endif +#define CURSOR_ON +#define CURSOR_OFF +#define CURSOR_SET video_set_hw_cursor(console_col * VIDEO_FONT_WIDTH, \ + (console_row * VIDEO_FONT_HEIGHT) + VIDEO_LOGO_HEIGHT); +#endif /* CONFIG_VIDEO_HW_CURSOR */ + +#ifdef CONFIG_VIDEO_LOGO +#define LINUX_LOGO_WIDTH 80 +#define LINUX_LOGO_HEIGHT 80 +#define LINUX_LOGO_COLORS 214 +#define LINUX_LOGO_LUT_OFFSET 0x20 +#define __initdata +#include <linux_logo.h> +#define VIDEO_LOGO_WIDTH LINUX_LOGO_WIDTH +#define VIDEO_LOGO_HEIGHT LINUX_LOGO_HEIGHT + +#define VIDEO_INFO_X (VIDEO_LOGO_WIDTH) +#define VIDEO_INFO_Y (VIDEO_FONT_HEIGHT/2) +#else +#define VIDEO_LOGO_WIDTH 0 +#define VIDEO_LOGO_HEIGHT 0 +#endif + +#define VIDEO_COLS VIDEO_VISIBLE_COLS +#define VIDEO_ROWS VIDEO_VISIBLE_ROWS +#define VIDEO_SIZE (VIDEO_ROWS*VIDEO_COLS*VIDEO_PIXEL_SIZE) +#define VIDEO_PIX_BLOCKS (VIDEO_SIZE >> 2) +#define VIDEO_LINE_LEN (VIDEO_COLS*VIDEO_PIXEL_SIZE) +#define VIDEO_BURST_LEN (VIDEO_COLS/8) + +#ifdef CONFIG_VIDEO_LOGO +#define CONSOLE_ROWS ((VIDEO_ROWS - VIDEO_LOGO_HEIGHT) / VIDEO_FONT_HEIGHT) +#else +#define CONSOLE_ROWS (VIDEO_ROWS / VIDEO_FONT_HEIGHT) +#endif + +#define CONSOLE_COLS (VIDEO_COLS / VIDEO_FONT_WIDTH) +#define CONSOLE_ROW_SIZE (VIDEO_FONT_HEIGHT * VIDEO_LINE_LEN) +#define CONSOLE_ROW_FIRST (video_console_address) +#define CONSOLE_ROW_SECOND (video_console_address + CONSOLE_ROW_SIZE) +#define CONSOLE_ROW_LAST (video_console_address + CONSOLE_SIZE - CONSOLE_ROW_SIZE) +#define CONSOLE_SIZE (CONSOLE_ROW_SIZE * CONSOLE_ROWS) +#define CONSOLE_SCROLL_SIZE (CONSOLE_SIZE - CONSOLE_ROW_SIZE) + +/* Macros */ +#ifdef VIDEO_FB_LITTLE_ENDIAN +#define SWAP16(x) ((((x) & 0x00ff) << 8) | ( (x) >> 8)) +#define SWAP32(x) ((((x) & 0x000000ff) << 24) | (((x) & 0x0000ff00) << 8)|\ + (((x) & 0x00ff0000) >> 8) | (((x) & 0xff000000) >> 24) ) +#define SHORTSWAP32(x) ((((x) & 0x000000ff) << 8) | (((x) & 0x0000ff00) >> 8)|\ + (((x) & 0x00ff0000) << 8) | (((x) & 0xff000000) >> 8) ) +#else +#define SWAP16(x) (x) +#define SWAP32(x) (x) +#define SHORTSWAP32(x) (x) +#endif + +#if defined(DEBUG) || defined(DEBUG_CFB_CONSOLE) +#define PRINTD(x) printf(x) +#else +#define PRINTD(x) +#endif + + +#ifdef CONFIG_CONSOLE_EXTRA_INFO +extern void video_get_info_str ( /* setup a board string: type, speed, etc. */ + int line_number, /* location to place info string beside logo */ + char *info /* buffer for info string */ + ); + +#endif + +/* Locals */ +static GraphicDevice *pGD; /* Pointer to Graphic array */ + +static void *video_fb_address; /* frame buffer address */ +static void *video_console_address; /* console buffer start address */ + +static int console_col = 0; /* cursor col */ +static int console_row = 0; /* cursor row */ + +static u32 eorx, fgx, bgx; /* color pats */ + +static const int video_font_draw_table8[] = { + 0x00000000, 0x000000ff, 0x0000ff00, 0x0000ffff, + 0x00ff0000, 0x00ff00ff, 0x00ffff00, 0x00ffffff, + 0xff000000, 0xff0000ff, 0xff00ff00, 0xff00ffff, + 0xffff0000, 0xffff00ff, 0xffffff00, 0xffffffff }; + +static const int video_font_draw_table15[] = { + 0x00000000, 0x00007fff, 0x7fff0000, 0x7fff7fff }; + +static const int video_font_draw_table16[] = { + 0x00000000, 0x0000ffff, 0xffff0000, 0xffffffff }; + +static const int video_font_draw_table24[16][3] = { + { 0x00000000, 0x00000000, 0x00000000 }, + { 0x00000000, 0x00000000, 0x00ffffff }, + { 0x00000000, 0x0000ffff, 0xff000000 }, + { 0x00000000, 0x0000ffff, 0xffffffff }, + { 0x000000ff, 0xffff0000, 0x00000000 }, + { 0x000000ff, 0xffff0000, 0x00ffffff }, + { 0x000000ff, 0xffffffff, 0xff000000 }, + { 0x000000ff, 0xffffffff, 0xffffffff }, + { 0xffffff00, 0x00000000, 0x00000000 }, + { 0xffffff00, 0x00000000, 0x00ffffff }, + { 0xffffff00, 0x0000ffff, 0xff000000 }, + { 0xffffff00, 0x0000ffff, 0xffffffff }, + { 0xffffffff, 0xffff0000, 0x00000000 }, + { 0xffffffff, 0xffff0000, 0x00ffffff }, + { 0xffffffff, 0xffffffff, 0xff000000 }, + { 0xffffffff, 0xffffffff, 0xffffffff } }; + +static const int video_font_draw_table32[16][4] = { + { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, + { 0x00000000, 0x00000000, 0x00000000, 0x00ffffff }, + { 0x00000000, 0x00000000, 0x00ffffff, 0x00000000 }, + { 0x00000000, 0x00000000, 0x00ffffff, 0x00ffffff }, + { 0x00000000, 0x00ffffff, 0x00000000, 0x00000000 }, + { 0x00000000, 0x00ffffff, 0x00000000, 0x00ffffff }, + { 0x00000000, 0x00ffffff, 0x00ffffff, 0x00000000 }, + { 0x00000000, 0x00ffffff, 0x00ffffff, 0x00ffffff }, + { 0x00ffffff, 0x00000000, 0x00000000, 0x00000000 }, + { 0x00ffffff, 0x00000000, 0x00000000, 0x00ffffff }, + { 0x00ffffff, 0x00000000, 0x00ffffff, 0x00000000 }, + { 0x00ffffff, 0x00000000, 0x00ffffff, 0x00ffffff }, + { 0x00ffffff, 0x00ffffff, 0x00000000, 0x00000000 }, + { 0x00ffffff, 0x00ffffff, 0x00000000, 0x00ffffff }, + { 0x00ffffff, 0x00ffffff, 0x00ffffff, 0x00000000 }, + { 0x00ffffff, 0x00ffffff, 0x00ffffff, 0x00ffffff } }; + + +/******************************************************************************/ + + +static void video_drawchars (int xx, int yy, unsigned char *s, int count) +{ + u8 *cdat, *dest, *dest0; + int rows, offset, c; + + offset = yy * VIDEO_LINE_LEN + xx * VIDEO_PIXEL_SIZE; + dest0 = video_fb_address + offset; + + switch (VIDEO_DATA_FORMAT) + { + case GDF__8BIT_INDEX: + case GDF__8BIT_332RGB: + while (count--) + { + c = *s ; + cdat = video_fontdata + c * VIDEO_FONT_HEIGHT; + for (rows = VIDEO_FONT_HEIGHT, dest = dest0; rows--; dest += VIDEO_LINE_LEN) + { + u8 bits = *cdat++; + ((u32 *)dest)[0] = (video_font_draw_table8[bits >> 4] & eorx) ^ bgx; + ((u32 *)dest)[1] = (video_font_draw_table8[bits & 15] & eorx) ^ bgx; + } + dest0 += VIDEO_FONT_WIDTH * VIDEO_PIXEL_SIZE; + s++; + } + break; + + case GDF_15BIT_555RGB: + while (count--) + { + c = *s ; + cdat = video_fontdata + c * VIDEO_FONT_HEIGHT; + for (rows = VIDEO_FONT_HEIGHT, dest = dest0; rows--; dest += VIDEO_LINE_LEN) + { + u8 bits = *cdat++; + ((u32 *)dest)[0] = SHORTSWAP32((video_font_draw_table15[bits >> 6] & eorx) ^ bgx); + ((u32 *)dest)[1] = SHORTSWAP32((video_font_draw_table15[bits >> 4 & 3] & eorx) ^ bgx); + ((u32 *)dest)[2] = SHORTSWAP32((video_font_draw_table15[bits >> 2 & 3] & eorx) ^ bgx); + ((u32 *)dest)[3] = SHORTSWAP32((video_font_draw_table15[bits & 3] & eorx) ^ bgx); + } + dest0 += VIDEO_FONT_WIDTH * VIDEO_PIXEL_SIZE; + s++ ; + } + break; + + case GDF_16BIT_565RGB: + while (count--) + { + c = *s ; + cdat = video_fontdata + c * VIDEO_FONT_HEIGHT; + for (rows = VIDEO_FONT_HEIGHT, dest = dest0; rows--; dest += VIDEO_LINE_LEN) + { + u8 bits = *cdat++; + ((u32 *)dest)[0] = SHORTSWAP32((video_font_draw_table16[bits >> 6] & eorx) ^ bgx); + ((u32 *)dest)[1] = SHORTSWAP32((video_font_draw_table16[bits >> 4 & 3] & eorx) ^ bgx); + ((u32 *)dest)[2] = SHORTSWAP32((video_font_draw_table16[bits >> 2 & 3] & eorx) ^ bgx); + ((u32 *)dest)[3] = SHORTSWAP32((video_font_draw_table16[bits & 3] & eorx) ^ bgx); + } + dest0 += VIDEO_FONT_WIDTH * VIDEO_PIXEL_SIZE; + s++ ; + } + break; + + case GDF_32BIT_X888RGB: + while (count--) + { + c = *s ; + cdat = video_fontdata + c * VIDEO_FONT_HEIGHT; + for (rows = VIDEO_FONT_HEIGHT, dest = dest0; rows--; dest += VIDEO_LINE_LEN) + { + u8 bits = *cdat++; + ((u32 *)dest)[0] = SWAP32((video_font_draw_table32[bits >> 4][0] & eorx) ^ bgx); + ((u32 *)dest)[1] = SWAP32((video_font_draw_table32[bits >> 4][1] & eorx) ^ bgx); + ((u32 *)dest)[2] = SWAP32((video_font_draw_table32[bits >> 4][2] & eorx) ^ bgx); + ((u32 *)dest)[3] = SWAP32((video_font_draw_table32[bits >> 4][3] & eorx) ^ bgx); + ((u32 *)dest)[4] = SWAP32((video_font_draw_table32[bits & 15][0] & eorx) ^ bgx); + ((u32 *)dest)[5] = SWAP32((video_font_draw_table32[bits & 15][1] & eorx) ^ bgx); + ((u32 *)dest)[6] = SWAP32((video_font_draw_table32[bits & 15][2] & eorx) ^ bgx); + ((u32 *)dest)[7] = SWAP32((video_font_draw_table32[bits & 15][3] & eorx) ^ bgx); + } + dest0 += VIDEO_FONT_WIDTH * VIDEO_PIXEL_SIZE; + s++ ; + } + break; + + case GDF_24BIT_888RGB: + while (count--) + { + c = *s ; + cdat = video_fontdata + c * VIDEO_FONT_HEIGHT; + for (rows = VIDEO_FONT_HEIGHT, dest = dest0; rows--; dest += VIDEO_LINE_LEN) + { + u8 bits = *cdat++; + ((u32 *)dest)[0] = (video_font_draw_table24[bits >> 4][0] & eorx) ^ bgx; + ((u32 *)dest)[1] = (video_font_draw_table24[bits >> 4][1] & eorx) ^ bgx; + ((u32 *)dest)[2] = (video_font_draw_table24[bits >> 4][2] & eorx) ^ bgx; + ((u32 *)dest)[3] = (video_font_draw_table24[bits & 15][0] & eorx) ^ bgx; + ((u32 *)dest)[4] = (video_font_draw_table24[bits & 15][1] & eorx) ^ bgx; + ((u32 *)dest)[5] = (video_font_draw_table24[bits & 15][2] & eorx) ^ bgx; + } + dest0 += VIDEO_FONT_WIDTH * VIDEO_PIXEL_SIZE; + s++ ; + } + break; + } +} + +/*****************************************************************************/ + +static inline void video_drawstring(int xx, int yy, unsigned char *s) +{ + video_drawchars (xx, yy, s, strlen(s)); +} + +/*****************************************************************************/ + +static void video_putchar(int xx, int yy, unsigned char c) +{ +#ifdef CONFIG_VIDEO_LOGO + video_drawchars (xx, yy + VIDEO_LOGO_HEIGHT, &c, 1); +#else + video_drawchars (xx, yy, &c, 1); +#endif +} + +/*****************************************************************************/ +#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; +} +#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]; + + /* time update only if cursor is on (faster scroll) */ + if (state) + { + rtc_get (&tm); + + sprintf(info, " %02d:%02d:%02d ", tm.tm_hour, tm.tm_min, tm.tm_sec); + video_drawstring(VIDEO_VISIBLE_COLS-10*VIDEO_FONT_WIDTH, + VIDEO_INFO_Y, info); + + sprintf(info, "%02d.%02d.%04d", tm.tm_mday, tm.tm_mon, tm.tm_year); + video_drawstring(VIDEO_VISIBLE_COLS-10*VIDEO_FONT_WIDTH, + VIDEO_INFO_Y+1*VIDEO_FONT_HEIGHT, info); + } +#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, ' '); + } + + last_state = state; +} +#endif + +/*****************************************************************************/ + +#ifndef VIDEO_HW_RECTFILL +static void memsetl (int *p, int c, int v) +{ + while (c--) + *(p++) = v; +} +#endif + +/*****************************************************************************/ + +#ifndef VIDEO_HW_BITBLT +static void memcpyl (int *d, int *s, int c) +{ + while (c--) + *(d++) = *(s++); +} +#endif + +/*****************************************************************************/ + +static void console_scrollup (void) +{ + /* copy up rows ignoring the first one */ + +#ifdef VIDEO_HW_BITBLT + video_hw_bitblt ( + VIDEO_PIXEL_SIZE, /* bytes per pixel */ + 0, /* source pos x */ + VIDEO_LOGO_HEIGHT + VIDEO_FONT_HEIGHT, /* source pos y */ + 0, /* dest pos x */ + VIDEO_LOGO_HEIGHT, /* dest pos y */ + VIDEO_VISIBLE_COLS, /* frame width */ + VIDEO_VISIBLE_ROWS - VIDEO_LOGO_HEIGHT - VIDEO_FONT_HEIGHT /* frame height */ + ); +#else + memcpyl (CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE >> 2); +#endif + + /* clear the last one */ +#ifdef VIDEO_HW_RECTFILL + video_hw_rectfill ( + VIDEO_PIXEL_SIZE, /* bytes per pixel */ + 0, /* dest pos x */ + VIDEO_VISIBLE_ROWS - VIDEO_FONT_HEIGHT, /* dest pos y */ + VIDEO_VISIBLE_COLS, /* frame width */ + VIDEO_FONT_HEIGHT, /* frame height */ + CONSOLE_BG_COL /* fill color */ + ); +#else + memsetl (CONSOLE_ROW_LAST, CONSOLE_ROW_SIZE >> 2, CONSOLE_BG_COL); +#endif +} + +/*****************************************************************************/ + +static void console_back (void) +{ + CURSOR_OFF + console_col--; + + if (console_col < 0) + { + console_col = CONSOLE_COLS - 1; + console_row--; + if (console_row < 0) + console_row = 0; + } + video_putchar (console_col * VIDEO_FONT_WIDTH, + console_row * VIDEO_FONT_HEIGHT, ' '); +} + +/*****************************************************************************/ + +static void console_newline (void) +{ + CURSOR_OFF + console_row++; + console_col = 0; + + /* Check if we need to scroll the terminal */ + if (console_row >= CONSOLE_ROWS) + { + /* Scroll everything up */ + console_scrollup (); + + /* Decrement row number */ + console_row--; + } +} + +/*****************************************************************************/ + +void video_putc (const char c) +{ + switch (c) + { + case 13: /* ignore */ + break; + + case '\n': /* next line */ + console_newline(); + break; + + case 9: /* tab 8 */ + CURSOR_OFF + console_col |= 0x0008; + console_col &= ~0x0007; + + if (console_col >= CONSOLE_COLS) + console_newline(); + break; + + case 8: /* backspace */ + console_back(); + break; + + default: /* draw the char */ + video_putchar (console_col * VIDEO_FONT_WIDTH, + console_row * VIDEO_FONT_HEIGHT, c); + console_col++ ; + + /* check for newline */ + if (console_col >= CONSOLE_COLS) + console_newline(); + } + CURSOR_SET +} + + + +/*****************************************************************************/ + +void video_puts (const char *s) +{ + int count = strlen(s); + + while(count--) + video_putc(*s++); +} + +/*****************************************************************************/ + +#ifdef CONFIG_VIDEO_LOGO +void logo_plot (void *screen, int width, int x, int y) +{ + int skip = (width - LINUX_LOGO_WIDTH) * VIDEO_PIXEL_SIZE, + xcount, i, + ycount = LINUX_LOGO_HEIGHT; + unsigned char + *source = linux_logo, + *dest = (unsigned char *) screen + ((y * width * VIDEO_PIXEL_SIZE) + x), + r, g, b; + + if (VIDEO_DATA_FORMAT == GDF__8BIT_INDEX) + { + for (i = 0; i < LINUX_LOGO_COLORS; i++) + { + r = (unsigned char)linux_logo_red [i]; + g = (unsigned char)linux_logo_green[i]; + b = (unsigned char)linux_logo_blue [i]; + video_set_lut (LINUX_LOGO_LUT_OFFSET + i, r, g, b); + } + } + + while (ycount--) + { + xcount = LINUX_LOGO_WIDTH; + while (xcount--) + { + r = (unsigned char)linux_logo_red [*source - LINUX_LOGO_LUT_OFFSET]; + g = (unsigned char)linux_logo_green[*source - LINUX_LOGO_LUT_OFFSET]; + b = (unsigned char)linux_logo_blue [*source - LINUX_LOGO_LUT_OFFSET]; + + switch (VIDEO_DATA_FORMAT) + { + case GDF__8BIT_INDEX: + *dest = *source; + break; + case GDF__8BIT_332RGB: + *dest = ((r>>5)<<5) | ((g>>5)<<2) | (b>>6); + break; + case GDF_15BIT_555RGB: + *(unsigned short *)dest = + SWAP16((unsigned short)(((r>>3)<<10) | ((g>>3)<<5) | (b>>3))); + break; + case GDF_16BIT_565RGB: + *(unsigned short *)dest = + SWAP16((unsigned short)(((r>>3)<<11) | ((g>>2)<<5) | (b>>3))); + break; + case GDF_32BIT_X888RGB: + *(unsigned long *)dest = + SWAP32((unsigned long)((r<<16) | (g<<8) | b)); + break; + case GDF_24BIT_888RGB: +#ifdef VIDEO_FB_LITTLE_ENDIAN + dest[0] = b; + dest[1] = g; + dest[2] = r; +#else + dest[0] = r; + dest[1] = g; + dest[2] = b; +#endif + break; + } + source++; + dest += VIDEO_PIXEL_SIZE; + } + dest += skip; + } +} + + +/*****************************************************************************/ + +static void *video_logo (void) +{ + char info[128]; + + logo_plot (video_fb_address, VIDEO_COLS, 0, 0); + + sprintf(info, " %s (%s - %s)", U_BOOT_VERSION, __DATE__, __TIME__); + video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y, info); + +#ifdef CONFIG_CONSOLE_EXTRA_INFO + { + int i, n = ((VIDEO_LOGO_HEIGHT-VIDEO_FONT_HEIGHT)/VIDEO_FONT_HEIGHT); + + for (i = 1; i < n; i++) + { + video_get_info_str (i, info); + if (*info) + video_drawstring (VIDEO_INFO_X, + VIDEO_INFO_Y + i*VIDEO_FONT_HEIGHT, info); + } + } +#endif + + return (video_fb_address + VIDEO_LOGO_HEIGHT * VIDEO_LINE_LEN); +} +#endif + + +/*****************************************************************************/ + +static int video_init(void) +{ + unsigned char color8; + + if ((pGD=video_hw_init()) == NULL) + return -1; + + video_fb_address = (void*)VIDEO_FB_ADRS; +#ifdef CONFIG_VIDEO_HW_CURSOR + video_init_hw_cursor(VIDEO_FONT_WIDTH, VIDEO_FONT_HEIGHT); +#endif + + /* Init drawing pats */ + switch (VIDEO_DATA_FORMAT) + { + case GDF__8BIT_INDEX: + video_set_lut (0x01, CONSOLE_FG_COL, CONSOLE_FG_COL, CONSOLE_FG_COL); + video_set_lut (0x00, CONSOLE_BG_COL, CONSOLE_BG_COL, CONSOLE_BG_COL); + fgx = 0x01010101; + bgx = 0x00000000; + break; + case GDF__8BIT_332RGB: + color8 = ((CONSOLE_FG_COL & 0xe0) | ((CONSOLE_FG_COL>>3) & 0x1c) | CONSOLE_FG_COL>>6); + fgx = (color8<<24) | (color8<<16) | (color8<<8) | color8; + color8 = ((CONSOLE_BG_COL & 0xe0) | ((CONSOLE_BG_COL>>3) & 0x1c) | CONSOLE_BG_COL>>6); + bgx = (color8<<24) | (color8<<16) | (color8<<8) | color8; + break; + case GDF_15BIT_555RGB: + fgx = (((CONSOLE_FG_COL>>3)<<26) | ((CONSOLE_FG_COL>>3)<<21) | ((CONSOLE_FG_COL>>3)<<16) | + ((CONSOLE_FG_COL>>3)<<10) | ((CONSOLE_FG_COL>>3)<<5) | (CONSOLE_FG_COL>>3)); + bgx = (((CONSOLE_BG_COL>>3)<<26) | ((CONSOLE_BG_COL>>3)<<21) | ((CONSOLE_BG_COL>>3)<<16) | + ((CONSOLE_BG_COL>>3)<<10) | ((CONSOLE_BG_COL>>3)<<5) | (CONSOLE_BG_COL>>3)); + break; + case GDF_16BIT_565RGB: + fgx = (((CONSOLE_FG_COL>>3)<<27) | ((CONSOLE_FG_COL>>2)<<21) | ((CONSOLE_FG_COL>>3)<<16) | + ((CONSOLE_FG_COL>>3)<<11) | ((CONSOLE_FG_COL>>2)<<5) | (CONSOLE_FG_COL>>3)); + bgx = (((CONSOLE_BG_COL>>3)<<27) | ((CONSOLE_BG_COL>>2)<<21) | ((CONSOLE_BG_COL>>3)<<16) | + ((CONSOLE_BG_COL>>3)<<11) | ((CONSOLE_BG_COL>>2)<<5) | (CONSOLE_BG_COL>>3)); + break; + case GDF_32BIT_X888RGB: + fgx = (CONSOLE_FG_COL<<16) | (CONSOLE_FG_COL<<8) | CONSOLE_FG_COL; + bgx = (CONSOLE_BG_COL<<16) | (CONSOLE_BG_COL<<8) | CONSOLE_BG_COL; + break; + case GDF_24BIT_888RGB: + fgx = (CONSOLE_FG_COL<<24) | (CONSOLE_FG_COL<<16) | (CONSOLE_FG_COL<<8) | CONSOLE_FG_COL; + bgx = (CONSOLE_BG_COL<<24) | (CONSOLE_BG_COL<<16) | (CONSOLE_BG_COL<<8) | CONSOLE_BG_COL; + break; + } + eorx = fgx ^ bgx; + +#ifdef CONFIG_VIDEO_LOGO + /* Plot the logo and get start point of console */ + PRINTD("Video: Drawing the logo ...\n"); + video_console_address = video_logo(); +#else + video_console_address = video_fb_address; +#endif + + /* Initialize the console */ + console_col = 0; + console_row = 0; + + return 0 ; +} + + +/*****************************************************************************/ + +int drv_video_init (void) +{ + int skip_dev_init; + device_t console_dev; + char *penv; + + skip_dev_init = 0; + + /* Force console i/o to serial ? */ + if ((penv = getenv ("console")) != NULL) + if (strcmp (penv, "serial") == 0) + return 0; + + /* Init video chip - returns with framebuffer cleared */ + if (video_init() == -1) + skip_dev_init = 1; +#ifdef CONFIG_VGA_AS_SINGLE_DEVICE + /* Devices VGA and Keyboard will be assigned seperately */ + /* Init vga device */ + if (!skip_dev_init) + { + memset (&console_dev, 0, sizeof(console_dev)); + strcpy(console_dev.name, "vga"); + console_dev.ext = DEV_EXT_VIDEO; /* Video extensions */ + console_dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_SYSTEM; + console_dev.putc = video_putc; /* 'putc' function */ + console_dev.puts = video_puts; /* 'puts' function */ + console_dev.tstc = NULL; /* 'tstc' function */ + console_dev.getc = NULL; /* 'getc' function */ + + if (device_register (&console_dev) == 0) + return 1; + } +#else + PRINTD("KBD: Keyboard init ...\n"); + if (VIDEO_KBD_INIT_FCT == -1) + skip_dev_init = 1; + + /* Init console device */ + if (!skip_dev_init) + { + memset (&console_dev, 0, sizeof(console_dev)); + strcpy(console_dev.name, "console"); + console_dev.ext = DEV_EXT_VIDEO; /* Video extensions */ + console_dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM; + console_dev.putc = video_putc; /* 'putc' function */ + console_dev.puts = video_puts; /* 'puts' function */ + console_dev.tstc = VIDEO_TSTC_FCT; /* 'tstc' function */ + console_dev.getc = VIDEO_GETC_FCT; /* 'getc' function */ + + if (device_register (&console_dev) == 0) + return 1; + } +#endif /* CONFIG_VGA_AS_SINGLE_DEVICE */ + /* No console dev available */ + return 0; +} + +#endif /* CONFIG_CFB_CONSOLE */ + + + + + + + |