diff options
Diffstat (limited to 'firmware/target/arm/olympus/mrobe-100/lcd-mr100.c')
| -rw-r--r-- | firmware/target/arm/olympus/mrobe-100/lcd-mr100.c | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/firmware/target/arm/olympus/mrobe-100/lcd-mr100.c b/firmware/target/arm/olympus/mrobe-100/lcd-mr100.c new file mode 100644 index 0000000000..501a0942e5 --- /dev/null +++ b/firmware/target/arm/olympus/mrobe-100/lcd-mr100.c @@ -0,0 +1,192 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2008 by Mark Arigo + * + * All files in this archive are subject to the GNU General Public License. + * See the file COPYING in the source tree root for full license agreement. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#include "config.h" +#include "cpu.h" +#include "lcd.h" +#include "kernel.h" +#include "system.h" +
+/* send LCD data */
+static void lcd_send_data(unsigned data)
+{
+ while (LCD1_CONTROL & LCD1_BUSY_MASK); /* wait for LCD */ + LCD1_DATA = data;
+}
+
+/* send LCD command */
+static void lcd_send_command(unsigned cmd)
+{
+ while (LCD1_CONTROL & LCD1_BUSY_MASK); /* wait for LCD */
+ LCD1_CMD = cmd;
+}
+
+/* LCD init */
+void lcd_init_device(void)
+{
+ int i;
+
+ DEV_INIT1 &= ~0xfc000000; + + i = DEV_INIT1; + DEV_INIT1 = i; + + DEV_INIT2 &= ~0x400;
+ udelay(10000); +
+ LCD1_CONTROL &= ~0x4; + udelay(15); + + LCD1_CONTROL |= 0x4; + udelay(10); + + LCD1_CONTROL = 0x690;
+ LCD1_CONTROL = 0x694; +
+ /* OF just reads these */
+ i = LCD1_CONTROL;
+ i = inl(0x70003004);
+ i = LCD1_CMD;
+ i = inl(0x7000300c);
+ +#if 0 + /* this is skipped in the OF */ + LCD1_CONTROL &= ~0x200; + LCD1_CONTROL &= ~0x800; + LCD1_CONTROL &= ~0x400; +#endif +
+ LCD1_CONTROL |= 0x1;
+ udelay(15000);
+
+ lcd_send_command(0xe2);
+ lcd_send_command(0x2f);
+ lcd_send_command(0x26);
+ lcd_send_command(0xcc);
+ lcd_send_command(0xe8);
+ lcd_send_command(0x81);
+ lcd_send_command(0);
+ lcd_send_command(0x40);
+ lcd_send_command(0xa6);
+ lcd_send_command(0x88);
+ lcd_send_command(0xb0);
+ lcd_send_command(0x10);
+ lcd_send_command(0);
+}
+ +/*** hardware configuration ***/ +int lcd_default_contrast(void)
+{
+ return DEFAULT_CONTRAST_SETTING;
+}
+ +void lcd_set_contrast(int val) +{ + lcd_send_command(0x81); + lcd_send_command(val); +} + +void lcd_set_invert_display(bool yesno) +{ + /* TODO: Implement lcd_set_invert_display() */ + (void)yesno; +} + +/* turn the display upside down (call lcd_update() afterwards) */ +void lcd_set_flip(bool yesno) +{ + /* TODO: Implement lcd_set_flip() */ + (void)yesno; +} + +/*** update functions ***/ + +/* Performance function that works with an external buffer + note that by and bheight are in 4-pixel units! */ +void lcd_blit(const fb_data* data, int x, int by, int width, + int bheight, int stride) +{ + /* TODO: Implement lcd_blit() */ + (void)data; + (void)x; + (void)by; + (void)width; + (void)bheight; + (void)stride; +} + +/* Performance function to blit a YUV bitmap directly to the LCD */ +void lcd_yuv_blit(unsigned char * const src[3], + int src_x, int src_y, int stride, + int x, int y, int width, int height) +{ + (void)src; + (void)src_x; + (void)src_y; + (void)stride; + (void)x; + (void)y; + (void)width; + (void)height; +} + +/* Update the display. + This must be called after all other LCD functions that change the display. */ +void lcd_update(void) +{ + lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT); +} +
+/* Update a fraction of the display. */
+void lcd_update_rect(int x0, int y0, int width, int height)
+{ + unsigned char *addr; + unsigned int cmd0, cmd1, cmd2; + int r, c, x1, y1, start_row, last_row; + + x1 = (x0 + width) - 1; + y1 = (y0 + height) - 1; + if ((x1 <= 0) || (y1 <= 0)) + return; + + if(x1 >= LCD_WIDTH) + x1 = LCD_WIDTH - 1; + + if(y1 >= LCD_HEIGHT) + y1 = LCD_HEIGHT - 1; + + start_row = y0/8; + last_row = y1/8; + + cmd1 = (x0 & 0xff) >> 4; + cmd1 = (cmd1 + 5) | 0x10; + cmd2 = x0 & 0xf; + + for (r = start_row; r <= last_row; r++) { + cmd0 = (r & 0xff) | 0xb0; + lcd_send_command(cmd0); + lcd_send_command(cmd1); + lcd_send_command(cmd2); + + addr = (unsigned char*)&lcd_framebuffer[r][x0]; + for (c = x0; c <= x1; c++) + lcd_send_data(*(addr++)); + } + + lcd_send_command(0xaf); +}
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