HDD6330: implement lcd_enable (display on/off).
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30519 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Szymon Dziok
parent
780968d249
commit
036c5fef46
3 changed files with 71 additions and 15 deletions
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@ -61,7 +61,7 @@
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#ifndef BOOTLOADER
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/* Define this if your LCD can be enabled/disabled */
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/* #define HAVE_LCD_ENABLE */
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#define HAVE_LCD_ENABLE
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/* Define this if your LCD can be put to sleep. HAVE_LCD_ENABLE
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* should be defined as well.
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@ -22,6 +22,7 @@
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#include "backlight-target.h"
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#include "system.h"
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#include "backlight.h"
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#include "lcd.h"
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#include "synaptics-mep.h"
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#ifdef HAVE_BACKLIGHT_BRIGHTNESS
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@ -36,6 +37,10 @@ void _backlight_set_brightness(int brightness)
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void _backlight_on(void)
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{
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#ifdef HAVE_LCD_ENABLE
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lcd_enable(true);
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#endif
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GPO32_ENABLE |= 0x400;
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GPO32_VAL |= 0x400;
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}
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@ -44,6 +49,10 @@ void _backlight_off(void)
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{
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GPO32_ENABLE |= 0x400;
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GPO32_VAL &= ~0x400;
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#ifdef HAVE_LCD_ENABLE
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lcd_enable(false);
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#endif
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}
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#ifdef HAVE_BUTTON_LIGHT
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@ -34,12 +34,21 @@
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#define LCD_REG_VERT_ADDR_START 0x0a
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#define LCD_REG_VERT_ADDR_END 0x0b
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/* whether the lcd is currently enabled or not */
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static bool lcd_enabled;
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/* Display status */
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static unsigned lcd_yuv_options SHAREDBSS_ATTR = 0;
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/* Value used for flipping. Must be remembered when display is turned off. */
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static unsigned short flip;
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/* Used for flip offset correction */
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static int x_offset;
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/* Inverse value. Must be remembered when display is turned off. */
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static unsigned short invert;
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/* wait for LCD */
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static inline void lcd_wait_write(void)
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{
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@ -63,16 +72,54 @@ static void lcd_send_reg(unsigned reg)
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void lcd_init_device(void)
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{
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lcd_send_reg(LCD_REG_UNKNOWN_00);
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lcd_send_data(0x00);
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lcd_send_reg(LCD_REG_UNKNOWN_01);
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lcd_send_data(0x48);
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lcd_send_reg(LCD_REG_UNKNOWN_05);
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lcd_send_data(0x0f);
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x_offset = 16;
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invert = 0x00;
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flip = 0x40;
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lcd_enabled = true;
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}
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#ifdef HAVE_LCD_ENABLE
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/* enable / disable lcd */
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void lcd_enable(bool on)
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{
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if (on == lcd_enabled)
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return;
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if (on) /* lcd_display_on() */
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{
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lcd_send_reg(LCD_REG_UNKNOWN_00);
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lcd_send_data(0x00 | invert);
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lcd_send_reg(LCD_REG_UNKNOWN_01);
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lcd_send_data(0x08 | flip);
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lcd_send_reg(LCD_REG_UNKNOWN_05);
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lcd_send_data(0x0f);
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sleep(HZ/10); /* 100ms */
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/* Probably out of sync and we don't wanna pepper the code with
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lcd_update() calls for this. */
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lcd_update();
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send_event(LCD_EVENT_ACTIVATION, NULL);
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lcd_enabled = true;
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}
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else /* lcd_display_off() */
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{
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lcd_send_reg(LCD_REG_UNKNOWN_00);
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lcd_send_data(0x08);
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lcd_enabled = false;
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}
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}
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bool lcd_active(void)
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{
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return lcd_enabled;
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}
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#endif /* HAVE_LCD_ENABLE */
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/*** hardware configuration ***/
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int lcd_default_contrast(void)
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{
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@ -86,7 +133,7 @@ void lcd_set_contrast(int val)
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void lcd_set_invert_display(bool yesno)
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{
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int invert = (yesno) ? 0x40 : 0x00;
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invert = (yesno) ? 0x40 : 0x00;
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lcd_send_reg(LCD_REG_UNKNOWN_00);
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lcd_send_data(invert);
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}
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@ -94,10 +141,10 @@ void lcd_set_invert_display(bool yesno)
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/* turn the display upside down (call lcd_update() afterwards) */
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void lcd_set_flip(bool yesno)
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{
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int flip = (yesno) ? 0x88 : 0x48;
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flip = (yesno) ? 0x80 : 0x40;
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x_offset = (yesno) ? 4 : 16;
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lcd_send_reg(LCD_REG_UNKNOWN_01);
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lcd_send_data(flip);
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lcd_send_data(0x08 | flip);
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}
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void lcd_yuv_set_options(unsigned options)
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@ -208,7 +255,7 @@ void lcd_update_rect(int x, int y, int width, int height)
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unsigned long *addr;
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int new_x, new_width;
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/* Ensure x and width are both even - so we can read 32-bit aligned
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/* Ensure x and width are both even - so we can read 32-bit aligned
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data from lcd_framebuffer */
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new_x = x&~1;
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new_width = width&~1;
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@ -249,7 +296,7 @@ void lcd_update_rect(int x, int y, int width, int height)
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h = height;
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/* calculate how much we can do in one go */
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if (pixels_to_write > 0x10000)
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if (pixels_to_write > 0x10000)
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{
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h = (0x10000/2) / width;
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pixels_to_write = (width * h) * 2;
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@ -260,10 +307,10 @@ void lcd_update_rect(int x, int y, int width, int height)
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LCD2_BLOCK_CTRL = 0x34000000;
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/* for each row */
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for (r = 0; r < h; r++)
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for (r = 0; r < h; r++)
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{
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/* for each column */
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for (c = 0; c < width; c += 2)
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for (c = 0; c < width; c += 2)
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{
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while (!(LCD2_BLOCK_CTRL & LCD2_BLOCK_TXOK));
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