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authorNikita Kiryanov <nikita@compulab.co.il>2014-12-08 17:14:45 +0200
committerAnatolij Gustschin <agust@denx.de>2015-01-10 17:53:59 +0100
commit904672ee489280cf26793e0a590505a2659dae09 (patch)
treef59149f4e0e8f9eedf796f6696a5eab256abef42 /common
parent88b326a31e4b7c2b6550980944b9b72f40c1bda0 (diff)
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lcd: refactor lcd console stuff into its own file
common/lcd.c is a mix of code portions that do different but related things. To improve modularity, the various code portions should be split into their own modules. Separate lcd console code into its own file. Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il> Cc: Anatolij Gustschin <agust@denx.de> Cc: Simon Glass <sjg@chromium.org> Cc: Stephen Warren <swarren@wwwdotorg.org> Acked-by: Simon Glass <sjg@chromium.org> Tested-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'common')
-rw-r--r--common/Makefile2
-rw-r--r--common/lcd.c229
-rw-r--r--common/lcd_console.c215
3 files changed, 216 insertions, 230 deletions
diff --git a/common/Makefile b/common/Makefile
index c668a2f..94554f2 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -196,7 +196,7 @@ obj-$(CONFIG_CMD_KGDB) += kgdb.o kgdb_stubs.o
obj-$(CONFIG_I2C_EDID) += edid.o
obj-$(CONFIG_KALLSYMS) += kallsyms.o
obj-y += splash.o
-obj-$(CONFIG_LCD) += lcd.o
+obj-$(CONFIG_LCD) += lcd.o lcd_console.o
obj-$(CONFIG_LYNXKDI) += lynxkdi.o
obj-$(CONFIG_MENU) += menu.o
obj-$(CONFIG_MODEM_SUPPORT) += modem.o
diff --git a/common/lcd.c b/common/lcd.c
index 4ff9524..cc34b8a 100644
--- a/common/lcd.c
+++ b/common/lcd.c
@@ -73,22 +73,6 @@
#define CONFIG_LCD_ALIGNMENT PAGE_SIZE
#endif
-/* By default we scroll by a single line */
-#ifndef CONFIG_CONSOLE_SCROLL_LINES
-#define CONFIG_CONSOLE_SCROLL_LINES 1
-#endif
-
-/************************************************************************/
-/* ** CONSOLE DEFINITIONS & FUNCTIONS */
-/************************************************************************/
-#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_COLOR8) && (LCD_BPP != LCD_COLOR16) && \
(LCD_BPP != LCD_COLOR32)
# error Unsupported LCD BPP.
@@ -96,9 +80,6 @@
DECLARE_GLOBAL_DATA_PTR;
-static void lcd_drawchars(ushort x, ushort y, uchar *str, int count);
-static inline void lcd_putc_xy(ushort x, ushort y, uchar c);
-
static int lcd_init(void *lcdbase);
static void *lcd_logo(void);
@@ -112,12 +93,6 @@ int lcd_line_length;
char lcd_is_enabled = 0;
-static short console_curr_col;
-static short console_curr_row;
-static short console_cols;
-static short console_rows;
-
-static void *lcd_console_address;
static void *lcd_base; /* Start of framebuffer memory */
static char lcd_flush_dcache; /* 1 to flush dcache after each lcd update */
@@ -153,82 +128,6 @@ void lcd_set_flush_dcache(int flush)
lcd_flush_dcache = (flush != 0);
}
-void lcd_init_console(void *address, int rows, int cols)
-{
- console_curr_col = 0;
- console_curr_row = 0;
- console_cols = cols;
- console_rows = rows;
- lcd_console_address = address;
-}
-
-void lcd_set_col(short col)
-{
- console_curr_col = col;
-}
-
-void lcd_set_row(short row)
-{
- console_curr_row = row;
-}
-
-/*----------------------------------------------------------------------*/
-
-static void console_scrollup(void)
-{
- const int rows = CONFIG_CONSOLE_SCROLL_LINES;
- int bg_color = lcd_getbgcolor();
-
- /* Copy up rows ignoring those that will be overwritten */
- memcpy(CONSOLE_ROW_FIRST,
- lcd_console_address + CONSOLE_ROW_SIZE * rows,
- CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows);
-
- /* Clear the last rows */
-#if (LCD_BPP != LCD_COLOR32)
- memset(lcd_console_address + CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows,
- bg_color, CONSOLE_ROW_SIZE * rows);
-#else
- u32 *ppix = lcd_console_address +
- CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows;
- u32 i;
- for (i = 0;
- i < (CONSOLE_ROW_SIZE * rows) / NBYTES(panel_info.vl_bpix);
- i++) {
- *ppix++ = bg_color;
- }
-#endif
- lcd_sync();
- console_curr_row -= rows;
-}
-
-/*----------------------------------------------------------------------*/
-
-static inline void console_back(void)
-{
- if (--console_curr_col < 0) {
- console_curr_col = console_cols - 1;
- if (--console_curr_row < 0)
- console_curr_row = 0;
- }
-
- lcd_putc_xy(console_curr_col * VIDEO_FONT_WIDTH,
- console_curr_row * VIDEO_FONT_HEIGHT, ' ');
-}
-
-/*----------------------------------------------------------------------*/
-
-static inline void console_newline(void)
-{
- console_curr_col = 0;
-
- /* Check if we need to scroll the terminal */
- if (++console_curr_row >= console_rows)
- console_scrollup();
- else
- lcd_sync();
-}
-
/*----------------------------------------------------------------------*/
static void lcd_stub_putc(struct stdio_dev *dev, const char c)
@@ -236,123 +135,11 @@ static void lcd_stub_putc(struct stdio_dev *dev, const char c)
lcd_putc(c);
}
-void lcd_putc(const char c)
-{
- if (!lcd_is_enabled) {
- serial_putc(c);
-
- return;
- }
-
- switch (c) {
- case '\r':
- console_curr_col = 0;
-
- return;
- case '\n':
- console_newline();
-
- return;
- case '\t': /* Tab (8 chars alignment) */
- console_curr_col += 8;
- console_curr_col &= ~7;
-
- if (console_curr_col >= console_cols)
- console_newline();
-
- return;
- case '\b':
- console_back();
-
- return;
- default:
- lcd_putc_xy(console_curr_col * VIDEO_FONT_WIDTH,
- console_curr_row * VIDEO_FONT_HEIGHT, c);
- if (++console_curr_col >= console_cols)
- console_newline();
- }
-}
-
-/*----------------------------------------------------------------------*/
-
static void lcd_stub_puts(struct stdio_dev *dev, const char *s)
{
lcd_puts(s);
}
-void lcd_puts(const char *s)
-{
- if (!lcd_is_enabled) {
- serial_puts(s);
-
- return;
- }
-
- while (*s)
- lcd_putc(*s++);
-
- lcd_sync();
-}
-
-/*----------------------------------------------------------------------*/
-
-void lcd_printf(const char *fmt, ...)
-{
- va_list args;
- char buf[CONFIG_SYS_PBSIZE];
-
- va_start(args, fmt);
- vsprintf(buf, fmt, args);
- va_end(args);
-
- lcd_puts(buf);
-}
-
-/************************************************************************/
-/* ** Low-Level Graphics Routines */
-/************************************************************************/
-
-static void lcd_drawchars(ushort x, ushort y, uchar *str, int count)
-{
- uchar *dest;
- ushort row;
- int fg_color, bg_color;
-
- dest = (uchar *)(lcd_console_address +
- y * lcd_line_length + x * NBITS(LCD_BPP) / 8);
-
- for (row = 0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) {
- uchar *s = str;
- int i;
-#if LCD_BPP == LCD_COLOR16
- ushort *d = (ushort *)dest;
-#elif LCD_BPP == LCD_COLOR32
- u32 *d = (u32 *)dest;
-#else
- uchar *d = dest;
-#endif
-
- fg_color = lcd_getfgcolor();
- bg_color = lcd_getbgcolor();
- for (i = 0; i < count; ++i) {
- uchar c, bits;
-
- c = *s++;
- bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row];
-
- for (c = 0; c < 8; ++c) {
- *d++ = (bits & 0x80) ? fg_color : bg_color;
- bits <<= 1;
- }
- }
- }
-}
-
-static inline void lcd_putc_xy(ushort x, ushort y, uchar c)
-{
- lcd_drawchars(x, y, &c, 1);
-}
-
/************************************************************************/
/** Small utility to check that you got the colours right */
/************************************************************************/
@@ -1124,12 +911,6 @@ static int on_splashimage(const char *name, const char *value, enum env_op op,
U_BOOT_ENV_CALLBACK(splashimage, on_splashimage);
#endif
-void lcd_position_cursor(unsigned col, unsigned row)
-{
- console_curr_col = min_t(short, col, console_cols - 1);
- console_curr_row = min_t(short, row, console_rows - 1);
-}
-
int lcd_get_pixel_width(void)
{
return panel_info.vl_col;
@@ -1140,16 +921,6 @@ int lcd_get_pixel_height(void)
return panel_info.vl_row;
}
-int lcd_get_screen_rows(void)
-{
- return console_rows;
-}
-
-int lcd_get_screen_columns(void)
-{
- return console_cols;
-}
-
#if defined(CONFIG_LCD_DT_SIMPLEFB)
static int lcd_dt_simplefb_configure_node(void *blob, int off)
{
diff --git a/common/lcd_console.c b/common/lcd_console.c
new file mode 100644
index 0000000..f948e5a
--- /dev/null
+++ b/common/lcd_console.c
@@ -0,0 +1,215 @@
+/*
+ * (C) Copyright 2001-2014
+ * DENX Software Engineering -- wd@denx.de
+ * Compulab Ltd - http://compulab.co.il/
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <lcd.h>
+#include <video_font.h> /* Get font data, width and height */
+
+#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)
+
+static short console_curr_col;
+static short console_curr_row;
+static short console_cols;
+static short console_rows;
+static void *lcd_console_address;
+
+void lcd_init_console(void *address, int rows, int cols)
+{
+ console_curr_col = 0;
+ console_curr_row = 0;
+ console_cols = cols;
+ console_rows = rows;
+ lcd_console_address = address;
+}
+
+void lcd_set_col(short col)
+{
+ console_curr_col = col;
+}
+
+void lcd_set_row(short row)
+{
+ console_curr_row = row;
+}
+
+void lcd_position_cursor(unsigned col, unsigned row)
+{
+ console_curr_col = min_t(short, col, console_cols - 1);
+ console_curr_row = min_t(short, row, console_rows - 1);
+}
+
+int lcd_get_screen_rows(void)
+{
+ return console_rows;
+}
+
+int lcd_get_screen_columns(void)
+{
+ return console_cols;
+}
+
+static void lcd_drawchars(ushort x, ushort y, uchar *str, int count)
+{
+ uchar *dest;
+ ushort row;
+ int fg_color, bg_color;
+
+ dest = (uchar *)(lcd_console_address +
+ y * lcd_line_length + x * NBITS(LCD_BPP) / 8);
+
+ for (row = 0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) {
+ uchar *s = str;
+ int i;
+#if LCD_BPP == LCD_COLOR16
+ ushort *d = (ushort *)dest;
+#elif LCD_BPP == LCD_COLOR32
+ u32 *d = (u32 *)dest;
+#else
+ uchar *d = dest;
+#endif
+
+ fg_color = lcd_getfgcolor();
+ bg_color = lcd_getbgcolor();
+ for (i = 0; i < count; ++i) {
+ uchar c, bits;
+
+ c = *s++;
+ bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row];
+
+ for (c = 0; c < 8; ++c) {
+ *d++ = (bits & 0x80) ? fg_color : bg_color;
+ bits <<= 1;
+ }
+ }
+ }
+}
+
+static inline void lcd_putc_xy(ushort x, ushort y, uchar c)
+{
+ lcd_drawchars(x, y, &c, 1);
+}
+
+static void console_scrollup(void)
+{
+ const int rows = CONFIG_CONSOLE_SCROLL_LINES;
+ int bg_color = lcd_getbgcolor();
+
+ /* Copy up rows ignoring those that will be overwritten */
+ memcpy(CONSOLE_ROW_FIRST,
+ lcd_console_address + CONSOLE_ROW_SIZE * rows,
+ CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows);
+
+ /* Clear the last rows */
+#if (LCD_BPP != LCD_COLOR32)
+ memset(lcd_console_address + CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows,
+ bg_color, CONSOLE_ROW_SIZE * rows);
+#else
+ u32 *ppix = lcd_console_address +
+ CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows;
+ u32 i;
+ for (i = 0;
+ i < (CONSOLE_ROW_SIZE * rows) / NBYTES(panel_info.vl_bpix);
+ i++) {
+ *ppix++ = bg_color;
+ }
+#endif
+ lcd_sync();
+ console_curr_row -= rows;
+}
+
+static inline void console_back(void)
+{
+ if (--console_curr_col < 0) {
+ console_curr_col = console_cols - 1;
+ if (--console_curr_row < 0)
+ console_curr_row = 0;
+ }
+
+ lcd_putc_xy(console_curr_col * VIDEO_FONT_WIDTH,
+ console_curr_row * VIDEO_FONT_HEIGHT, ' ');
+}
+
+static inline void console_newline(void)
+{
+ console_curr_col = 0;
+
+ /* Check if we need to scroll the terminal */
+ if (++console_curr_row >= console_rows)
+ console_scrollup();
+ else
+ lcd_sync();
+}
+
+void lcd_putc(const char c)
+{
+ if (!lcd_is_enabled) {
+ serial_putc(c);
+
+ return;
+ }
+
+ switch (c) {
+ case '\r':
+ console_curr_col = 0;
+
+ return;
+ case '\n':
+ console_newline();
+
+ return;
+ case '\t': /* Tab (8 chars alignment) */
+ console_curr_col += 8;
+ console_curr_col &= ~7;
+
+ if (console_curr_col >= console_cols)
+ console_newline();
+
+ return;
+ case '\b':
+ console_back();
+
+ return;
+ default:
+ lcd_putc_xy(console_curr_col * VIDEO_FONT_WIDTH,
+ console_curr_row * VIDEO_FONT_HEIGHT, c);
+ if (++console_curr_col >= console_cols)
+ console_newline();
+ }
+}
+
+void lcd_puts(const char *s)
+{
+ if (!lcd_is_enabled) {
+ serial_puts(s);
+
+ return;
+ }
+
+ while (*s)
+ lcd_putc(*s++);
+
+ lcd_sync();
+}
+
+void lcd_printf(const char *fmt, ...)
+{
+ va_list args;
+ char buf[CONFIG_SYS_PBSIZE];
+
+ va_start(args, fmt);
+ vsprintf(buf, fmt, args);
+ va_end(args);
+
+ lcd_puts(buf);
+}