Added LGDP4532 display driver

4 files changed, 453 insertions, 0 deletions

diff --git a/drivers/gdisp/LGD4532/board_LGD4532_template.h b/drivers/gdisp/LGD4532/board_LGD4532_template.h
new file mode 100644
index 00000000..ca89cdc1
--- /dev/null
+++ b/drivers/gdisp/LGD4532/board_LGD4532_template.h
@@ -0,0 +1,71 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+
+#ifndef GDISP_LLD_BOARD_H
+#define GDISP_LLD_BOARD_H
+
+static inline void init_board(GDisplay *g)
+{
+	(void) g;
+}
+
+static inline void post_init_board(GDisplay *g)
+{
+	(void) g;
+}
+
+static inline void setpin_reset(GDisplay *g, bool_t state)
+{
+	(void) g;
+	(void) state;
+}
+
+static inline void set_backlight(GDisplay *g, uint8_t percent)
+{
+	(void) g;
+	(void) percent;
+}
+
+static inline void acquire_bus(GDisplay *g)
+{
+	(void) g;
+}
+
+static inline void release_bus(GDisplay *g)
+{
+	(void) g;
+}
+
+static inline void write_index(GDisplay *g, uint16_t index)
+{
+	(void) g;
+	(void) index;
+}
+
+static inline void write_data(GDisplay *g, uint16_t data)
+{
+	(void) g;
+	(void) data;
+}
+
+static inline void setreadmode(GDisplay *g)
+{
+	(void) g;
+}
+
+static inline void setwritemode(GDisplay *g)
+{
+	(void) g;
+}
+
+static inline uint16_t read_data(GDisplay *g)
+{
+	(void) g;
+	return 0;
+}
+
+#endif /* GDISP_LLD_BOARD_H */
diff --git a/drivers/gdisp/LGD4532/gdisp_lld.mk b/drivers/gdisp/LGD4532/gdisp_lld.mk
new file mode 100644
index 00000000..8323b891
--- /dev/null
+++ b/drivers/gdisp/LGD4532/gdisp_lld.mk
@@ -0,0 +1,2 @@
+GFXINC += $(GFXLIB)/drivers/gdisp/LGD4532
+GFXSRC += $(GFXLIB)/drivers/gdisp/LGD4532/gdisp_lld_LGD4532.c
diff --git a/drivers/gdisp/LGD4532/gdisp_lld_LGD4532.c b/drivers/gdisp/LGD4532/gdisp_lld_LGD4532.c
new file mode 100644
index 00000000..1cd58f16
--- /dev/null
+++ b/drivers/gdisp/LGD4532/gdisp_lld_LGD4532.c
@@ -0,0 +1,359 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+
+#include "gfx.h"
+
+#if GFX_USE_GDISP
+
+/* This controller is only ever used with a 240 x 320 display */
+#if defined(GDISP_SCREEN_HEIGHT)
+	#warning "GDISP: This low level driver does not support setting a screen size. It is being ignored."
+	#undef GDISP_SCREEN_HEIGHT
+#endif
+#if defined(GDISP_SCREEN_WIDTH)
+	#warning "GDISP: This low level driver does not support setting a screen size. It is being ignored."
+	#undef GDISP_SCREEN_WIDTH
+#endif
+
+#define GDISP_DRIVER_VMT	GDISPVMT_LGD4532
+#include "gdisp_lld_config.h"
+#include "src/gdisp/driver.h"
+
+#include "board_LGD4532.h"
+
+/*===========================================================================*/
+/* Driver local definitions.                                                 */
+/*===========================================================================*/
+
+#ifndef GDISP_SCREEN_HEIGHT
+	#define GDISP_SCREEN_HEIGHT		320
+#endif
+#ifndef GDISP_SCREEN_WIDTH
+	#define GDISP_SCREEN_WIDTH		240
+#endif
+#ifndef GDISP_INITIAL_CONTRAST
+	#define GDISP_INITIAL_CONTRAST	50
+#endif
+#ifndef GDISP_INITIAL_BACKLIGHT
+	#define GDISP_INITIAL_BACKLIGHT	100
+#endif
+
+/*===========================================================================*/
+/* Driver local variables.                                                   */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions.                                                   */
+/*===========================================================================*/
+
+// Some common routines and macros
+#define dummy_read(g)			{ volatile uint16_t dummy; dummy = read_data(g); (void) dummy; }
+#define write_reg(g, reg, data)		{ write_index(g, reg); write_data(g, data); }
+
+static void set_cursor(GDisplay *g) {
+	switch(g->g.Orientation) {
+		default:
+		case GDISP_ROTATE_0:
+		case GDISP_ROTATE_180:
+			write_reg(g, 0x20, g->p.x);
+			write_reg(g, 0x21, g->p.y);
+			break;
+
+		case GDISP_ROTATE_90:
+		case GDISP_ROTATE_270:
+			write_reg(g, 0x20, g->p.y);
+			write_reg(g, 0x21, g->p.x);
+			break;
+	}
+	write_index(g, 0x22);
+}
+
+static void set_viewport(GDisplay* g) {
+	switch(g->g.Orientation) {
+		default:
+		case GDISP_ROTATE_0:
+		case GDISP_ROTATE_180:
+			write_reg(g, 0x50, g->p.x);
+			write_reg(g, 0x51, g->p.x + g->p.cx - 1);
+			write_reg(g, 0x52, g->p.y);
+			write_reg(g, 0x53, g->p.y + g->p.cy - 1);
+			break;
+
+		case GDISP_ROTATE_90:
+		case GDISP_ROTATE_270:
+			write_reg(g, 0x50, g->p.y);
+			write_reg(g, 0x51, g->p.y + g->p.cy - 1);
+			write_reg(g, 0x52, g->p.x);
+			write_reg(g, 0x53, g->p.x + g->p.cx - 1);
+			break;
+	}
+}
+
+LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
+	// No private area for this controller
+	g->priv = 0;
+
+	// Initialise the board interface
+	init_board(g);
+
+	/* Hardware reset */
+	setpin_reset(g, TRUE);
+	gfxSleepMilliseconds(1);
+	setpin_reset(g, FALSE);
+	gfxSleepMilliseconds(2);
+
+	acquire_bus(g);
+	setwritemode(g);
+
+	// chinese code starts here
+        //############# void Power_Set(void) ################//
+	write_reg(g, 0x00, 0x0001);
+	gfxSleepMilliseconds(10);
+
+	write_reg(g, 0x15, 0x0030);
+	write_reg(g, 0x11, 0x0040);
+	write_reg(g, 0x10, 0x1628);
+	write_reg(g, 0x12, 0x0000);
+	write_reg(g, 0x13, 0x104d);
+	gfxSleepMilliseconds(10);
+	write_reg(g, 0x12, 0x0010);
+	gfxSleepMilliseconds(10);
+	write_reg(g, 0x10, 0x2620);
+	write_reg(g, 0x13, 0x344d); //304d
+	gfxSleepMilliseconds(10);
+
+	write_reg(g, 0x01, 0x0100);
+	write_reg(g, 0x02, 0x0300);
+	write_reg(g, 0x03, 0x1038);//0x1030
+	write_reg(g, 0x08, 0x0604);
+	write_reg(g, 0x09, 0x0000);
+	write_reg(g, 0x0A, 0x0008);
+
+	write_reg(g, 0x41, 0x0002);
+	write_reg(g, 0x60, 0xA700);
+	write_reg(g, 0x61, 0x0001);
+	write_reg(g, 0x90, 0x0182);
+	write_reg(g, 0x93, 0x0001);
+	write_reg(g, 0xa3, 0x0010);
+	gfxSleepMilliseconds(10);
+
+	//################# void Gamma_Set(void) ####################//
+	write_reg(g, 0x30, 0x0000);
+	write_reg(g, 0x31, 0x0502);
+	write_reg(g, 0x32, 0x0307);
+	write_reg(g, 0x33, 0x0305);
+	write_reg(g, 0x34, 0x0004);
+	write_reg(g, 0x35, 0x0402);
+	write_reg(g, 0x36, 0x0707);
+	write_reg(g, 0x37, 0x0503);
+	write_reg(g, 0x38, 0x1505);
+	write_reg(g, 0x39, 0x1505);
+	gfxSleepMilliseconds(10);
+
+	//################## void Display_ON(void) ####################//
+	write_reg(g, 0x07, 0x0001);
+	gfxSleepMilliseconds(10);
+	write_reg(g, 0x07, 0x0021);
+	write_reg(g, 0x07, 0x0023);
+	gfxSleepMilliseconds(10);
+	write_reg(g, 0x07, 0x0033);
+	gfxSleepMilliseconds(10);
+	write_reg(g, 0x07, 0x0133);
+	// chinese code ends here
+
+	// Finish Init
+	post_init_board(g);
+
+ 	// Release the bus
+	release_bus(g);
+
+	// Turn on the backlight
+	set_backlight(g, GDISP_INITIAL_BACKLIGHT);
+	
+	/* Initialise the GDISP structure */
+	g->g.Width = GDISP_SCREEN_WIDTH;
+	g->g.Height = GDISP_SCREEN_HEIGHT;
+	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Powermode = powerOn;
+	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
+	g->g.Contrast = GDISP_INITIAL_CONTRAST;
+
+	return TRUE;
+}
+
+#if GDISP_HARDWARE_STREAM_WRITE
+	LLDSPEC	void gdisp_lld_write_start(GDisplay *g) {
+		acquire_bus(g);
+		set_viewport(g);
+	}
+	LLDSPEC	void gdisp_lld_write_color(GDisplay *g) {
+		write_data(g, gdispColor2Native(g->p.color));
+	}
+	LLDSPEC	void gdisp_lld_write_stop(GDisplay *g) {
+		release_bus(g);
+	}
+	LLDSPEC void gdisp_lld_write_pos(GDisplay *g) {
+		set_cursor(g);
+	}
+#endif
+
+#if GDISP_HARDWARE_STREAM_READ
+	LLDSPEC	void gdisp_lld_read_start(GDisplay *g) {
+		acquire_bus(g);
+		set_viewport(g);
+		set_cursor(g);
+		setreadmode(g);
+		dummy_read(g);
+	}
+	LLDSPEC	color_t gdisp_lld_read_color(GDisplay *g) {
+		uint16_t	data;
+
+		data = read_data(g);
+		return gdispNative2Color(data);
+	}
+	LLDSPEC	void gdisp_lld_read_stop(GDisplay *g) {
+		setwritemode(g);
+		release_bus(g);
+	}
+#endif
+
+#if GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL
+	LLDSPEC void gdisp_lld_control(GDisplay *g) {
+		switch(g->p.x) {
+		case GDISP_CONTROL_POWER:
+			if (g->g.Powermode == (powermode_t)g->p.ptr)
+				return;
+			switch((powermode_t)g->p.ptr) {
+			case powerOff:
+				acquire_bus(g);
+				write_reg(g, 0x07, 0x0000);
+				write_reg(g, 0x10, 0x0000);
+				write_reg(g, 0x11, 0x0000);
+				write_reg(g, 0x12, 0x0000);
+				write_reg(g, 0x13, 0x0000);
+				release_bus(g);
+				set_backlight(g, 0);
+				break;
+
+			case powerOn:
+				//*************Power On sequence ******************//
+				acquire_bus(g);
+				write_reg(g, 0x10, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
+				write_reg(g, 0x11, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
+				write_reg(g, 0x12, 0x0000); /* VREG1OUT voltage */
+				write_reg(g, 0x13, 0x0000); /* VDV[4:0] for VCOM amplitude */
+				gfxSleepMilliseconds(200);            /* Dis-charge capacitor power voltage */
+				write_reg(g, 0x10, 0x17B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
+				write_reg(g, 0x11, 0x0147); /* DC1[2:0], DC0[2:0], VC[2:0] */
+				gfxSleepMilliseconds(50);
+				write_reg(g, 0x12, 0x013C); /* VREG1OUT voltage */
+				gfxSleepMilliseconds(50);
+				write_reg(g, 0x13, 0x0E00); /* VDV[4:0] for VCOM amplitude */
+				write_reg(g, 0x29, 0x0009); /* VCM[4:0] for VCOMH */
+				gfxSleepMilliseconds(50);
+				write_reg(g, 0x07, 0x0173); /* 262K color and display ON */
+				release_bus(g);
+				set_backlight(g, g->g.Backlight);
+				break;
+
+			case powerSleep:
+				acquire_bus(g);
+				write_reg(g, 0x07, 0x0000); /* display OFF */
+				write_reg(g, 0x10, 0x0000); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
+				write_reg(g, 0x11, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
+				write_reg(g, 0x12, 0x0000); /* VREG1OUT voltage */
+				write_reg(g, 0x13, 0x0000); /* VDV[4:0] for VCOM amplitude */
+				gfxSleepMilliseconds(200); /* Dis-charge capacitor power voltage */
+				write_reg(g, 0x10, 0x0002); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
+				release_bus(g);
+				set_backlight(g, g->g.Backlight);
+				break;
+
+			case powerDeepSleep:
+				acquire_bus(g);
+				write_reg(g, 0x07, 0x0000); /* display OFF */
+				write_reg(g, 0x10, 0x0000); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
+				write_reg(g, 0x11, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
+				write_reg(g, 0x12, 0x0000); /* VREG1OUT voltage */
+				write_reg(g, 0x13, 0x0000); /* VDV[4:0] for VCOM amplitude */
+				gfxSleepMilliseconds(200); /* Dis-charge capacitor power voltage */
+				write_reg(g, 0x10, 0x0004); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
+				release_bus(g);
+				set_backlight(g, g->g.Backlight);
+				break;
+
+			default:
+				return;
+			}
+			g->g.Powermode = (powermode_t)g->p.ptr;
+			return;
+			
+		case GDISP_CONTROL_ORIENTATION:
+			if (g->g.Orientation == (orientation_t)g->p.ptr)
+				return;
+			switch((orientation_t)g->p.ptr) {
+				case GDISP_ROTATE_0:
+					acquire_bus(g);
+					write_reg(g, 0x01, 0x0100);
+					write_reg(g, 0x03, 0x1030);
+					write_reg(g, 0x60, 0x2700);
+					release_bus(g);
+					g->g.Height = GDISP_SCREEN_HEIGHT;
+					g->g.Width = GDISP_SCREEN_WIDTH;
+					break;
+
+				case GDISP_ROTATE_90:
+					acquire_bus(g);
+					write_reg(g, 0x01, 0x0100);
+					write_reg(g, 0x03, 0x1038);
+					write_reg(g, 0x60, 0xA700);
+					release_bus(g);
+					g->g.Height = GDISP_SCREEN_WIDTH;
+					g->g.Width = GDISP_SCREEN_HEIGHT;
+					break;
+
+				case GDISP_ROTATE_180:
+					acquire_bus(g);
+					write_reg(g, 0x01, 0x0000);
+					write_reg(g, 0x03, 0x1030);
+					write_reg(g, 0x60, 0xa700);
+					release_bus(g);
+					g->g.Height = GDISP_SCREEN_HEIGHT;
+					g->g.Width = GDISP_SCREEN_WIDTH;
+					break;
+	
+				case GDISP_ROTATE_270:
+					acquire_bus(g);
+					write_reg(g, 0x01, 0x0000);
+					write_reg(g, 0x03, 0x1038);
+					write_reg(g, 0x60, 0x2700);
+					release_bus(g);
+					g->g.Height = GDISP_SCREEN_WIDTH;
+					g->g.Width = GDISP_SCREEN_HEIGHT;
+					break;
+
+				default:
+					return;
+			}
+
+			g->g.Orientation = (orientation_t)g->p.ptr;
+			return;
+			
+        case GDISP_CONTROL_BACKLIGHT:
+            if ((unsigned)g->p.ptr > 100)
+            	g->p.ptr = (void *)100;
+            set_backlight(g, (unsigned)g->p.ptr);
+            g->g.Backlight = (unsigned)g->p.ptr;
+            return;
+		
+		default:
+			return;
+		}
+	}
+#endif
+
+#endif /* GFX_USE_GDISP */
diff --git a/drivers/gdisp/LGD4532/gdisp_lld_config.h b/drivers/gdisp/LGD4532/gdisp_lld_config.h
new file mode 100644
index 00000000..3f11ecc3
--- /dev/null
+++ b/drivers/gdisp/LGD4532/gdisp_lld_config.h
@@ -0,0 +1,21 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+ 
+#ifndef GDISP_LLD_CONFIG_H
+#define GDISP_LLD_CONFIG_H
+
+#if GFX_USE_GDISP
+
+#define GDISP_HARDWARE_STREAM_WRITE		TRUE
+#define GDISP_HARDWARE_STREAM_READ		TRUE
+#define GDISP_HARDWARE_STREAM_POS		TRUE
+#define GDISP_HARDWARE_CONTROL			TRUE
+
+#define GDISP_LLD_PIXELFORMAT			GDISP_PIXELFORMAT_RGB565
+
+#endif	/* GFX_USE_GDISP */
+#endif	/* _GDISP_LLD_CONFIG_H */