[U-Boot] [RFC 2/4] video: cfb_console: use common ansi implementation
Andrey Danin
danindrey at mail.ru
Fri Mar 13 23:49:23 CET 2015
Signed-off-by: Andrey Danin <danindrey at mail.ru>
---
drivers/video/Makefile | 2 +-
drivers/video/cfb_console.c | 381 ++++----------------------------------------
2 files changed, 33 insertions(+), 350 deletions(-)
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index 22a316b..0819ee9 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -8,7 +8,7 @@
obj-$(CONFIG_ATI_RADEON_FB) += ati_radeon_fb.o videomodes.o
obj-$(CONFIG_ATMEL_HLCD) += atmel_hlcdfb.o
obj-$(CONFIG_ATMEL_LCD) += atmel_lcdfb.o
-obj-$(CONFIG_CFB_CONSOLE) += cfb_console.o
+obj-$(CONFIG_CFB_CONSOLE) += cfb_console.o ansi_console.o
obj-$(CONFIG_EXYNOS_DP) += exynos_dp.o exynos_dp_lowlevel.o
obj-$(CONFIG_EXYNOS_FB) += exynos_fb.o exynos_fimd.o
obj-$(CONFIG_EXYNOS_MIPI_DSIM) += exynos_mipi_dsi.o exynos_mipi_dsi_common.o \
diff --git a/drivers/video/cfb_console.c b/drivers/video/cfb_console.c
index a81affa..f3e3f28 100644
--- a/drivers/video/cfb_console.c
+++ b/drivers/video/cfb_console.c
@@ -91,6 +91,12 @@
#include <malloc.h>
#include <linux/compiler.h>
+#ifdef CONFIG_CFB_CONSOLE_ANSI
+#define CONFIG_ANSI_CONSOLE_EXTENSION_ENABLED
+#endif
+#include <ansi_console.h>
+
+
/*
* Console device defines with SMI graphic
* Any other graphic must change this section
@@ -300,11 +306,6 @@ void console_cursor(int state);
#define CONSOLE_ROW_LAST (video_console_address + CONSOLE_SIZE - CONSOLE_ROW_SIZE)
#define CONSOLE_SIZE (CONSOLE_ROW_SIZE * CONSOLE_ROWS)
-/* By default we scroll by a single line */
-#ifndef CONFIG_CONSOLE_SCROLL_LINES
-#define CONFIG_CONSOLE_SCROLL_LINES 1
-#endif
-
/* Macros */
#ifdef VIDEO_FB_LITTLE_ENDIAN
#define SWAP16(x) ((((x) & 0x00ff) << 8) | \
@@ -361,12 +362,7 @@ static u32 eorx, fgx, bgx; /* color pats */
static int cfb_do_flush_cache;
-#ifdef CONFIG_CFB_CONSOLE_ANSI
-static char ansi_buf[10];
-static int ansi_buf_size;
-static int ansi_colors_need_revert;
-static int ansi_cursor_hidden;
-#endif
+static struct ansi_console_t ansi_console;
static const int video_font_draw_table8[] = {
0x00000000, 0x000000ff, 0x0000ff00, 0x0000ffff,
@@ -624,6 +620,12 @@ static void video_putchar(int xx, int yy, unsigned char c)
video_drawchars(xx, yy + video_logo_height, &c, 1);
}
+static void video_putchar_cr(int col, int row, const char c)
+{
+ video_putchar(col * VIDEO_FONT_WIDTH, row * VIDEO_FONT_HEIGHT,
+ (unsigned char)c);
+}
+
#if defined(CONFIG_CONSOLE_CURSOR) || defined(CONFIG_VIDEO_SW_CURSOR)
static void video_set_cursor(void)
{
@@ -742,9 +744,8 @@ static void console_clear_line(int line, int begin, int end)
#endif
}
-static void console_scrollup(void)
+static void console_scrollup(int rows)
{
- const int rows = CONFIG_CONSOLE_SCROLL_LINES;
int i;
/* copy up rows ignoring the first one */
@@ -773,20 +774,6 @@ static void console_scrollup(void)
console_row -= rows;
}
-static void console_back(void)
-{
- console_col--;
-
- if (console_col < 0) {
- console_col = CONSOLE_COLS - 1;
- console_row--;
- if (console_row < 0)
- console_row = 0;
- }
-}
-
-#ifdef CONFIG_CFB_CONSOLE_ANSI
-
static void console_clear(void)
{
#ifdef VIDEO_HW_RECTFILL
@@ -802,58 +789,6 @@ static void console_clear(void)
#endif
}
-static void console_cursor_fix(void)
-{
- if (console_row < 0)
- console_row = 0;
- if (console_row >= CONSOLE_ROWS)
- console_row = CONSOLE_ROWS - 1;
- if (console_col < 0)
- console_col = 0;
- if (console_col >= CONSOLE_COLS)
- console_col = CONSOLE_COLS - 1;
-}
-
-static void console_cursor_up(int n)
-{
- console_row -= n;
- console_cursor_fix();
-}
-
-static void console_cursor_down(int n)
-{
- console_row += n;
- console_cursor_fix();
-}
-
-static void console_cursor_left(int n)
-{
- console_col -= n;
- console_cursor_fix();
-}
-
-static void console_cursor_right(int n)
-{
- console_col += n;
- console_cursor_fix();
-}
-
-static void console_cursor_set_position(int row, int col)
-{
- if (console_row != -1)
- console_row = row;
- if (console_col != -1)
- console_col = col;
- console_cursor_fix();
-}
-
-static void console_previousline(int n)
-{
- /* FIXME: also scroll terminal ? */
- console_row -= n;
- console_cursor_fix();
-}
-
static void console_swap_colors(void)
{
eorx = fgx;
@@ -864,76 +799,15 @@ static void console_swap_colors(void)
static inline int console_cursor_is_visible(void)
{
- return !ansi_cursor_hidden;
-}
-#else
-static inline int console_cursor_is_visible(void)
-{
- return 1;
-}
-#endif
-
-static void console_newline(int n)
-{
- console_row += n;
- console_col = 0;
-
- /* Check if we need to scroll the terminal */
- if (console_row >= CONSOLE_ROWS) {
- /* Scroll everything up */
- console_scrollup();
- }
-}
-
-static void console_cr(void)
-{
- console_col = 0;
+ return !ansi_console.ansi_cursor_hidden;
}
static void parse_putc(const char c)
{
- static int nl = 1;
-
if (console_cursor_is_visible())
CURSOR_OFF;
- switch (c) {
- case 13: /* back to first column */
- console_cr();
- break;
-
- case '\n': /* next line */
- if (console_col || (!console_col && nl))
- console_newline(1);
- nl = 1;
- break;
-
- case 9: /* tab 8 */
- console_col |= 0x0008;
- console_col &= ~0x0007;
-
- if (console_col >= CONSOLE_COLS)
- console_newline(1);
- break;
-
- case 8: /* backspace */
- console_back();
- break;
-
- case 7: /* bell */
- break; /* ignored */
-
- 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(1);
- nl = 0;
- }
- }
+ ansi_putc(&ansi_console, c);
if (console_cursor_is_visible())
CURSOR_SET;
@@ -941,214 +815,7 @@ static void parse_putc(const char c)
static void video_putc(struct stdio_dev *dev, const char c)
{
-#ifdef CONFIG_CFB_CONSOLE_ANSI
- int i;
-
- if (c == 27) {
- for (i = 0; i < ansi_buf_size; ++i)
- parse_putc(ansi_buf[i]);
- ansi_buf[0] = 27;
- ansi_buf_size = 1;
- return;
- }
-
- if (ansi_buf_size > 0) {
- /*
- * 0 - ESC
- * 1 - [
- * 2 - num1
- * 3 - ..
- * 4 - ;
- * 5 - num2
- * 6 - ..
- * - cchar
- */
- int next = 0;
-
- int flush = 0;
- int fail = 0;
-
- int num1 = 0;
- int num2 = 0;
- int cchar = 0;
-
- ansi_buf[ansi_buf_size++] = c;
-
- if (ansi_buf_size >= sizeof(ansi_buf))
- fail = 1;
-
- for (i = 0; i < ansi_buf_size; ++i) {
- if (fail)
- break;
-
- switch (next) {
- case 0:
- if (ansi_buf[i] == 27)
- next = 1;
- else
- fail = 1;
- break;
-
- case 1:
- if (ansi_buf[i] == '[')
- next = 2;
- else
- fail = 1;
- break;
-
- case 2:
- if (ansi_buf[i] >= '0' && ansi_buf[i] <= '9') {
- num1 = ansi_buf[i]-'0';
- next = 3;
- } else if (ansi_buf[i] != '?') {
- --i;
- num1 = 1;
- next = 4;
- }
- break;
-
- case 3:
- if (ansi_buf[i] >= '0' && ansi_buf[i] <= '9') {
- num1 *= 10;
- num1 += ansi_buf[i]-'0';
- } else {
- --i;
- next = 4;
- }
- break;
-
- case 4:
- if (ansi_buf[i] != ';') {
- --i;
- next = 7;
- } else
- next = 5;
- break;
-
- case 5:
- if (ansi_buf[i] >= '0' && ansi_buf[i] <= '9') {
- num2 = ansi_buf[i]-'0';
- next = 6;
- } else
- fail = 1;
- break;
-
- case 6:
- if (ansi_buf[i] >= '0' && ansi_buf[i] <= '9') {
- num2 *= 10;
- num2 += ansi_buf[i]-'0';
- } else {
- --i;
- next = 7;
- }
- break;
-
- case 7:
- if ((ansi_buf[i] >= 'A' && ansi_buf[i] <= 'H')
- || ansi_buf[i] == 'J'
- || ansi_buf[i] == 'K'
- || ansi_buf[i] == 'h'
- || ansi_buf[i] == 'l'
- || ansi_buf[i] == 'm') {
- cchar = ansi_buf[i];
- flush = 1;
- } else
- fail = 1;
- break;
- }
- }
-
- if (fail) {
- for (i = 0; i < ansi_buf_size; ++i)
- parse_putc(ansi_buf[i]);
- ansi_buf_size = 0;
- return;
- }
-
- if (flush) {
- if (!ansi_cursor_hidden)
- CURSOR_OFF;
- ansi_buf_size = 0;
- switch (cchar) {
- case 'A':
- /* move cursor num1 rows up */
- console_cursor_up(num1);
- break;
- case 'B':
- /* move cursor num1 rows down */
- console_cursor_down(num1);
- break;
- case 'C':
- /* move cursor num1 columns forward */
- console_cursor_right(num1);
- break;
- case 'D':
- /* move cursor num1 columns back */
- console_cursor_left(num1);
- break;
- case 'E':
- /* move cursor num1 rows up at begin of row */
- console_previousline(num1);
- break;
- case 'F':
- /* move cursor num1 rows down at begin of row */
- console_newline(num1);
- break;
- case 'G':
- /* move cursor to column num1 */
- console_cursor_set_position(-1, num1-1);
- break;
- case 'H':
- /* move cursor to row num1, column num2 */
- console_cursor_set_position(num1-1, num2-1);
- break;
- case 'J':
- /* clear console and move cursor to 0, 0 */
- console_clear();
- console_cursor_set_position(0, 0);
- break;
- case 'K':
- /* clear line */
- if (num1 == 0)
- console_clear_line(console_row,
- console_col,
- CONSOLE_COLS-1);
- else if (num1 == 1)
- console_clear_line(console_row,
- 0, console_col);
- else
- console_clear_line(console_row,
- 0, CONSOLE_COLS-1);
- break;
- case 'h':
- ansi_cursor_hidden = 0;
- break;
- case 'l':
- ansi_cursor_hidden = 1;
- break;
- case 'm':
- if (num1 == 0) { /* reset swapped colors */
- if (ansi_colors_need_revert) {
- console_swap_colors();
- ansi_colors_need_revert = 0;
- }
- } else if (num1 == 7) { /* once swap colors */
- if (!ansi_colors_need_revert) {
- console_swap_colors();
- ansi_colors_need_revert = 1;
- }
- }
- break;
- }
- if (!ansi_cursor_hidden)
- CURSOR_SET;
- }
- } else {
- parse_putc(c);
- }
-#else
parse_putc(c);
-#endif
if (cfb_do_flush_cache)
flush_cache(VIDEO_FB_ADRS, VIDEO_SIZE);
}
@@ -2234,6 +1901,22 @@ static int video_init(void)
if (cfb_do_flush_cache)
flush_cache(VIDEO_FB_ADRS, VIDEO_SIZE);
+ memset(&ansi_console, 0, sizeof(ansi_console));
+ ansi_console.putc_cr = video_putchar_cr;
+ ansi_console.cols = CONSOLE_COLS;
+ ansi_console.rows = CONSOLE_ROWS;
+
+#if defined(CONFIG_CONSOLE_CURSOR) || defined(CONFIG_VIDEO_SW_CURSOR)
+ ansi_console.cursor_set = video_set_cursor;
+ ansi_console.cursor_enable = console_cursor;
+#endif
+ ansi_console.scroll = console_scrollup;
+ ansi_console.clear_line = console_clear_line;
+ ansi_console.clear = console_clear;
+ ansi_console.swap_colors = console_swap_colors;
+ ansi_console.console_col = &console_col;
+ ansi_console.console_row = &console_row;
+
return 0;
}
--
1.9.1
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