diff options
Diffstat (limited to 'firmware/target/coldfire/iaudio/x5/lcd-x5.c')
| -rw-r--r-- | firmware/target/coldfire/iaudio/x5/lcd-x5.c | 85 |
1 files changed, 42 insertions, 43 deletions
diff --git a/firmware/target/coldfire/iaudio/x5/lcd-x5.c b/firmware/target/coldfire/iaudio/x5/lcd-x5.c index 190b87547d..98eb5deb94 100644 --- a/firmware/target/coldfire/iaudio/x5/lcd-x5.c +++ b/firmware/target/coldfire/iaudio/x5/lcd-x5.c @@ -52,9 +52,6 @@ static unsigned short r_gate_scan_start_pos = 0x0002; static unsigned short r_drv_output_control = 0x0313; static unsigned short r_horiz_ram_addr_pos = 0x7f00; -/* Forward declarations */ -static void lcd_display_off(void); - /* A15(0x8000) && CS1->CS, A1(0x0002)->RS */ #define LCD_CMD *(volatile unsigned short *)0xf0008000 #define LCD_DATA *(volatile unsigned short *)0xf0008002 @@ -267,46 +264,6 @@ static void lcd_power_on(void) power_on = true; } -#if defined(HAVE_LCD_SLEEP) -static void lcd_power_off(void) -{ - /* Display must be off first */ - if (display_on) - lcd_display_off(); - - power_on = false; - - /** Power OFF sequence **/ - /* Per datasheet Rev.1.10, Jun.21.2003, p. 99 */ - - /* Step-up1 halt setting bit */ - /* BT2-0=110, DC2-0=001, AP2-0=011, SLP=0, STB=0 */ - lcd_write_reg(R_POWER_CONTROL1, 0x062c); - /* Step-up3,4 halt setting bit */ - /* VRL3-0=0100, PON=0, VRH3-0=0001 */ - lcd_write_reg(R_POWER_CONTROL4, 0x0401); - /* VCOMG=0, VDV4-0=xxxxx, VCM4-0=11000 */ - lcd_write_reg(R_POWER_CONTROL5, 0x0018 | lcd_contrast); - - /* Wait 100ms or more */ - sleep(HZ/10); - - /* Step-up2,amp halt setting bit */ - /* BT2-0=000, DC2-0=000, AP2-0=000, SLP=0, STB=0 */ - lcd_write_reg(R_POWER_CONTROL1, 0x0000); -} - -void lcd_sleep(void) -{ - if (power_on) - lcd_power_off(); - - /* Set standby mode */ - /* BT2-0=000, DC2-0=000, AP2-0=000, SLP=0, STB=1 */ - lcd_write_reg(R_POWER_CONTROL1, 0x0001); -} -#endif - static void lcd_display_on(void) { /* Be sure power is on first */ @@ -334,6 +291,7 @@ static void lcd_display_on(void) display_on = true; } +#if defined(HAVE_LCD_ENABLE) || defined(HAVE_LCD_SLEEP) static void lcd_display_off(void) { display_on = false; @@ -356,6 +314,47 @@ static void lcd_display_off(void) /* PT1-0=00, VLE2-1=00, SPT=0, GON=0, DTE=0, REV=0, D1-0=00 */ lcd_write_reg(R_DISP_CONTROL, 0x0000); } +#endif + +#if defined(HAVE_LCD_SLEEP) +static void lcd_power_off(void) +{ + /* Display must be off first */ + if (display_on) + lcd_display_off(); + + power_on = false; + + /** Power OFF sequence **/ + /* Per datasheet Rev.1.10, Jun.21.2003, p. 99 */ + + /* Step-up1 halt setting bit */ + /* BT2-0=110, DC2-0=001, AP2-0=011, SLP=0, STB=0 */ + lcd_write_reg(R_POWER_CONTROL1, 0x062c); + /* Step-up3,4 halt setting bit */ + /* VRL3-0=0100, PON=0, VRH3-0=0001 */ + lcd_write_reg(R_POWER_CONTROL4, 0x0401); + /* VCOMG=0, VDV4-0=xxxxx, VCM4-0=11000 */ + lcd_write_reg(R_POWER_CONTROL5, 0x0018 | lcd_contrast); + + /* Wait 100ms or more */ + sleep(HZ/10); + + /* Step-up2,amp halt setting bit */ + /* BT2-0=000, DC2-0=000, AP2-0=000, SLP=0, STB=0 */ + lcd_write_reg(R_POWER_CONTROL1, 0x0000); +} + +void lcd_sleep(void) +{ + if (power_on) + lcd_power_off(); + + /* Set standby mode */ + /* BT2-0=000, DC2-0=000, AP2-0=000, SLP=0, STB=1 */ + lcd_write_reg(R_POWER_CONTROL1, 0x0001); +} +#endif /* LCD init */ void lcd_init_device(void) |