From d5591a2b28c4052c9cb7688ce09e66aa6add05bf Mon Sep 17 00:00:00 2001
From: Amaury Pouly <amaury.pouly@gmail.com>
Date: Sun, 22 Jun 2014 12:55:41 +0200
Subject: zen/zenxfi: switch lcd driver to 24-bit mode

Change-Id: I2c42f0e422130bcdaf1aaf92c7b56776752f4f64
---
 .../target/arm/imx233/creative-zen/lcd-target.h    |  5 +++
 firmware/target/arm/imx233/creative-zen/lcd-zen.c  | 41 +++-------------------
 .../target/arm/imx233/creative-zen/lcd-zenmozaic.c |  2 ++
 firmware/target/arm/imx233/creative-zen/lcd-zenv.c |  2 ++
 4 files changed, 14 insertions(+), 36 deletions(-)

(limited to 'firmware/target/arm/imx233/creative-zen')

diff --git a/firmware/target/arm/imx233/creative-zen/lcd-target.h b/firmware/target/arm/imx233/creative-zen/lcd-target.h
index b28bda347a..299ffa3dfb 100644
--- a/firmware/target/arm/imx233/creative-zen/lcd-target.h
+++ b/firmware/target/arm/imx233/creative-zen/lcd-target.h
@@ -23,4 +23,9 @@
 
 bool lcd_debug_screen(void);
 
+#if defined(CREATIVE_ZEN) || defined(CREATIVE_ZENXFI)
+#define LCD_FRAMEBUF_ADDR(col, row) (row*LCD_WIDTH + col + (fb_data *)FRAME)
+extern void lcd_set_active(bool active);
+#endif
+
 #endif /* LCD_TARGET_H */
diff --git a/firmware/target/arm/imx233/creative-zen/lcd-zen.c b/firmware/target/arm/imx233/creative-zen/lcd-zen.c
index 6482c58787..c594209db9 100644
--- a/firmware/target/arm/imx233/creative-zen/lcd-zen.c
+++ b/firmware/target/arm/imx233/creative-zen/lcd-zen.c
@@ -30,16 +30,14 @@
 #include "clkctrl-imx233.h"
 #include "pinctrl-imx233.h"
 #include "dma-imx233.h"
-#include "regs/regs-uartdbg.h"
 #include "logf.h"
+#include "lcd-target.h"
 #ifndef BOOTLOADER
 #include "button.h"
 #include "font.h"
 #include "action.h"
 #endif
 
-static bool lcd_on;
-
 /**
  * DMA
  */
@@ -170,7 +168,7 @@ static void lcd_power_seq(void)
 static void lcd_init_seq(void)
 {
     /* NOTE I don't understand why I have to use BGR, logic would say I should not */
-    spi_write_reg(0x1, 0x2b1d);// inversion
+    spi_write_reg(0x1, 0x231d);// no inversion
     spi_write_reg(0x2, 0x300);
     /* NOTE by default stmp3700 has vsync/hsync active low and data launch
      * at negative edge of dotclk, reflect this in the polarity settings */
@@ -225,18 +223,13 @@ static void lcd_display_off_seq(void)
  * Rockbox
  */
 
-bool lcd_active(void)
-{
-    return lcd_on;
-}
-
 void lcd_enable(bool enable)
 {
-    if(lcd_on == enable)
+    if(lcd_active() == enable)
         return;
 
-    lcd_on = enable;
-    if(lcd_on)
+    lcd_set_active(enable);
+    if(lcd_active())
     {
         // enable spi
         spi_enable(true);
@@ -341,27 +334,3 @@ void lcd_init_device(void)
     // enable
     lcd_enable(true);
 }
-
-void lcd_update(void)
-{
-    lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT);
-}
-
-void lcd_update_rect(int x, int y, int w, int h)
-{
-    #ifdef HAVE_LCD_ENABLE
-    if(!lcd_on)
-        return;
-    #endif
-    for(int yy = y; yy < y + h; yy++)
-    {
-        uint16_t *pix = FBADDR(x, yy);
-        uint8_t *p = 3 * (yy * LCD_WIDTH + x) + (uint8_t *)FRAME;
-        for(int xx = 0; xx < w; xx++, pix++)
-        {
-            *p++ = RGB_UNPACK_RED(*pix);
-            *p++ = RGB_UNPACK_GREEN(*pix);
-            *p++ = RGB_UNPACK_BLUE(*pix);
-        }
-    }
-}
diff --git a/firmware/target/arm/imx233/creative-zen/lcd-zenmozaic.c b/firmware/target/arm/imx233/creative-zen/lcd-zenmozaic.c
index eac36676ae..c1bc379a49 100644
--- a/firmware/target/arm/imx233/creative-zen/lcd-zenmozaic.c
+++ b/firmware/target/arm/imx233/creative-zen/lcd-zenmozaic.c
@@ -127,6 +127,8 @@ void lcd_enable(bool enable)
         return;
 
     lcd_on = enable;
+    if(enable)
+        send_event(LCD_EVENT_ACTIVATION, NULL);
 }
 #endif
 
diff --git a/firmware/target/arm/imx233/creative-zen/lcd-zenv.c b/firmware/target/arm/imx233/creative-zen/lcd-zenv.c
index 3bc8e67e5d..06b0f158f3 100644
--- a/firmware/target/arm/imx233/creative-zen/lcd-zenv.c
+++ b/firmware/target/arm/imx233/creative-zen/lcd-zenv.c
@@ -138,6 +138,8 @@ void lcd_enable(bool enable)
         return;
 
     lcd_on = enable;
+    if(enable)
+        send_event(LCD_EVENT_ACTIVATION, NULL);
 }
 #endif
 
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