ErosQNative: Add v3 LCD support, conditional on bootloader

bootloader passes the player version to rockbox for LCD init changes

Credit ZappBranigan2972 on forums for original changes
Credit Bilgus for devicedata additions

Change-Id: Ia2ca493edef49b7457e84dc19b05397dc915fa5a

1 files changed, 144 insertions, 2 deletions

diff --git a/firmware/target/mips/ingenic_x1000/erosqnative/lcd-erosqnative.c b/firmware/target/mips/ingenic_x1000/erosqnative/lcd-erosqnative.c
index 0d43a3f010..bcc30a71bd 100644
--- a/firmware/target/mips/ingenic_x1000/erosqnative/lcd-erosqnative.c
+++ b/firmware/target/mips/ingenic_x1000/erosqnative/lcd-erosqnative.c
@@ -25,11 +25,138 @@
 #include "lcd-x1000.h"
 #include "gpio-x1000.h"
 #include "system.h"
+#include "devicedata.h"
 
 /* for reference on these command/data hex values, see the mipi dcs lcd spec.  *
  * Not everything here is there, but all the standard stuff is.                */
 
-static const uint32_t erosqnative_lcd_cmd_enable[] = {
+/* New Display Eroq 2.1 / Hifiwalker 1.7+ / Surfans v3.2, unknown Controller  *
+ * (partially GC9A01 register compatible)                                     *
+ *   https://espruino.microcosm.app/api/v1/files/ \                           *
+ *   9dc1b976d621a2ab3854312cce862c4a9a50dc1b.html#GC9A01 ,                   *
+ *   https://www.buydisplay.com/download/ic/GC9A01A.pdf ,                     *
+ *   https://lcddisplay.co/wp-content/uploads/2023/02/GC9A01.pdf              *
+ * Init sequence From 'EROS Q （c口）_V2.1_20231209固件.zip'                  *
+ * update.upt/.iso -> In 'uboot.bin' at 0x52da0-0x5305f                       *
+ *  http://www.eroshifi.com/download/firmware/122.html                        */
+static const uint32_t erosqnative_lcd_cmd_enable_v3[] = {
+
+    /* Unlock EXTC? */
+    LCD_INSTR_CMD,      0xfe, // Inter Register Enable1
+    LCD_INSTR_CMD,      0xef, // Inter Register Enable2
+
+    LCD_INSTR_CMD,      0x36, // Memory Access Control
+/* Bit7 1:vertical flip   0:no vertical flip
+   Bit6 1:horizontal flip 0:no horizontal flip
+   Bit3 1:BGR 0:RGB */
+    LCD_INSTR_DAT,      0x90,
+    /* Pixel Format Set */
+    LCD_INSTR_CMD,      0x3a,
+    LCD_INSTR_DAT,      0x55, /* Rockbox uses 16pp, OF specified 18 bpp */
+
+    LCD_INSTR_CMD,      0x84, // ?? (undocumented)
+    LCD_INSTR_DAT,      0x04,
+    LCD_INSTR_CMD,      0x86, // ??
+    LCD_INSTR_DAT,      0xfb,
+    LCD_INSTR_CMD,      0x87, // ??
+    LCD_INSTR_DAT,      0x79,
+    LCD_INSTR_CMD,      0x89, // ??
+    LCD_INSTR_DAT,      0x0b,
+    LCD_INSTR_CMD,      0x8a, // ??
+    LCD_INSTR_DAT,      0x20,
+    LCD_INSTR_CMD,      0x8b, // ??
+    LCD_INSTR_DAT,      0x80,
+    LCD_INSTR_CMD,      0x8d, // ??
+    LCD_INSTR_DAT,      0x3b,
+    LCD_INSTR_CMD,      0x8e, // ??
+    LCD_INSTR_DAT,      0xcf,
+
+    LCD_INSTR_CMD,      0xec, // Charge Pump Frequent Control
+    LCD_INSTR_DAT,      0x33,
+    LCD_INSTR_DAT,      0x02,
+    LCD_INSTR_DAT,      0x4c,
+
+    LCD_INSTR_CMD,      0x98, // ?? (undocumented)
+    LCD_INSTR_DAT,      0x3e,
+    LCD_INSTR_CMD,      0x9c, // ??
+    LCD_INSTR_DAT,      0x4b,
+    LCD_INSTR_CMD,      0x99, // ??
+    LCD_INSTR_DAT,      0x3e,
+    LCD_INSTR_CMD,      0x9d, // ??
+    LCD_INSTR_DAT,      0x4b,
+    LCD_INSTR_CMD,      0x9b, // ??
+    LCD_INSTR_DAT,      0x55,
+
+    LCD_INSTR_CMD,      0xe8, // Frame Rate
+    LCD_INSTR_DAT,      0x11,
+    LCD_INSTR_DAT,      0x00,
+
+    LCD_INSTR_CMD,      0xff, // ?? (Adafruit & Co lib.  C:0xFF, D:0x60, D:0x01, D:0x04)
+    LCD_INSTR_DAT,      0x62, // LCD_INSTR_DAT, 0x01, LCD_INSTR_DAT, 0x04,
+    LCD_INSTR_CMD,      0xc3, // Vreg1a voltage Control
+    LCD_INSTR_DAT,      0x20,
+    LCD_INSTR_CMD,      0xc4, // Vreg1b voltage Control
+    LCD_INSTR_DAT,      0x03,
+    LCD_INSTR_CMD,      0xc9, // Vreg2a voltage Control
+    LCD_INSTR_DAT,      0x2a,
+
+    LCD_INSTR_CMD,      0xf0, // SET_GAMMA1
+    LCD_INSTR_DAT,      0x4a,
+    LCD_INSTR_DAT,      0x10,
+    LCD_INSTR_DAT,      0x0a,
+    LCD_INSTR_DAT,      0x0a,
+    LCD_INSTR_DAT,      0x26,
+    LCD_INSTR_DAT,      0x39,
+
+    LCD_INSTR_CMD,      0xf2, // SET_GAMMA3
+    LCD_INSTR_DAT,      0x4a,
+    LCD_INSTR_DAT,      0x10,
+    LCD_INSTR_DAT,      0x0a,
+    LCD_INSTR_DAT,      0x0a,
+    LCD_INSTR_DAT,      0x26,
+    LCD_INSTR_DAT,      0x39,
+
+    LCD_INSTR_CMD,      0xf1, // SET_GAMMA2
+    LCD_INSTR_DAT,      0x50,
+    LCD_INSTR_DAT,      0x8f,
+    LCD_INSTR_DAT,      0xaf,
+    LCD_INSTR_DAT,      0x3b,
+    LCD_INSTR_DAT,      0x3f,
+    LCD_INSTR_DAT,      0x7f,
+
+    LCD_INSTR_CMD,      0xf3, // SET_GAMMA4
+    LCD_INSTR_DAT,      0x50,
+    LCD_INSTR_DAT,      0x8f,
+    LCD_INSTR_DAT,      0xaf,
+    LCD_INSTR_DAT,      0x3b,
+    LCD_INSTR_DAT,      0x3f,
+    LCD_INSTR_DAT,      0x7f,
+
+    LCD_INSTR_CMD,      0xba, // TE Control
+    LCD_INSTR_DAT,      0x0a,
+
+#ifdef BOOTLOADER
+    LCD_INSTR_CMD,      0x35, // Tearing Effect Line ON
+    LCD_INSTR_DAT,      0x00,
+#endif
+
+    LCD_INSTR_CMD,      0x21, /* Invert */
+
+    /* Lock EXTC? */
+    LCD_INSTR_CMD,      0xfe, // Inter Register Enable1
+    LCD_INSTR_CMD,      0xee,
+
+    /* Exit Sleep */
+    LCD_INSTR_CMD,      0x11,
+    LCD_INSTR_UDELAY,   120000,
+    /* Display On */
+    LCD_INSTR_CMD,      0x29,
+    LCD_INSTR_UDELAY,   20000,
+    LCD_INSTR_END,
+};
+
+/* Original Display / Hifiwalker -1.5 / Surfans -2.7 */
+static const uint32_t erosqnative_lcd_cmd_enable_v1[] = {
     /* Set EXTC? */
     LCD_INSTR_CMD,      0xc8,
     LCD_INSTR_DAT,      0xff,
@@ -179,7 +306,22 @@ void lcd_tgt_enable(bool enable)
         mdelay(5);
         gpio_set_level(GPIO_LCD_CE, 0);
 
-        lcd_exec_commands(&erosqnative_lcd_cmd_enable[0]);
+#ifdef BOOTLOADER
+# if EROSQN_VER == 3
+        lcd_exec_commands(&erosqnative_lcd_cmd_enable_v3[0]);
+# else
+        lcd_exec_commands(&erosqnative_lcd_cmd_enable_v1[0]);
+# endif
+#else
+        if (device_data.lcd_version == 3)
+        {
+            lcd_exec_commands(&erosqnative_lcd_cmd_enable_v3[0]);
+        }
+        else
+        {
+            lcd_exec_commands(&erosqnative_lcd_cmd_enable_v1[0]);
+        }
+#endif
     } else {
         /* doesn't flash white if we don't do anything... */
 #if 0