Initial file dump from open source releaseHEADmaster

1 files changed, 434 insertions, 0 deletions

diff --git a/drivers/video/sprdfb/lcd/lcd_ili9486.c b/drivers/video/sprdfb/lcd/lcd_ili9486.c
new file mode 100644
index 00000000..885e8f76
--- /dev/null
+++ b/drivers/video/sprdfb/lcd/lcd_ili9486.c
@@ -0,0 +1,434 @@
+/* drivers/video/sc8810/lcd_ili9486.c
+ *
+ * Support for ili9486 LCD device
+ *
+ * Copyright (C) 2010 Spreadtrum
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include "../sprdfb_panel.h"
+
+static int32_t ili9486_init(struct panel_spec *self)
+{
+	send_data_t send_cmd = self->info.mcu->ops->send_cmd;
+	send_data_t send_data = self->info.mcu->ops->send_data;
+
+	pr_debug("ili9486_init\n");
+#if 0
+	// Hidden register setting
+	send_cmd(0xF9);
+	send_data(0x00);
+	send_data(0x08);
+
+	send_cmd(0xF2);
+	send_data(0x18);
+	send_data(0xA3);
+	send_data(0x02);
+	send_data(0x02);
+	send_data(0xB2);
+	send_data(0x12);
+	send_data(0xFF);
+	send_data(0x10);
+	send_data(0x00);
+
+	send_cmd(0xF1);
+	send_data(0x36);
+	send_data(0x04);
+	send_data(0x00);
+	send_data(0x3C);
+	send_data(0x0F);
+	send_data(0x8F);
+#endif
+	//Power setting sequence
+	send_cmd(0xC0);
+	send_data(0x0B);
+	send_data(0x0B);
+
+	send_cmd(0xC1);
+	send_data(0x45);
+
+	send_cmd(0xC2);
+	send_data(0x22);
+
+	mdelay(150); // 150ms
+
+	//Display parameter setting
+	send_cmd(0x2A);
+	send_data(0x00);
+	send_data(0x00);
+	send_data(0x01);
+	send_data(0x3F);
+
+	send_cmd(0x2B);
+	send_data(0x00);
+	send_data(0x00);
+	send_data(0x01);
+	send_data(0xDF);
+
+	send_cmd(0xB1);
+	send_data(0xB0);
+	send_data(0x12);//11: 67hz, 12:63.5hz
+
+	send_cmd(0xB4);
+	send_data(0x02);
+
+	send_cmd(0xB5);
+	send_data(0x08);
+	send_data(0x0C);
+	send_data(0x10);
+	send_data(0x0A);
+
+	send_cmd(0xB6);
+	send_data(0x02);
+	send_data(0x22);//0x42
+	send_data(0x3B);
+
+	send_cmd(0xB7);
+	send_data(0xC6);
+
+	send_cmd(0xF2);
+	send_data(0x18);
+	send_data(0xA3);
+	send_data(0x12);
+	send_data(0x02);
+	send_data(0xB2);
+	send_data(0x12);
+	send_data(0xFF);
+	send_data(0x10);
+	send_data(0x00);
+
+	send_cmd(0xF4);
+	send_data(0x00);
+	send_data(0x00);
+	send_data(0x08);
+	send_data(0x91);
+	send_data(0x04);
+
+	send_cmd(0x3A);
+	send_data(0x06);
+
+	send_cmd(0x35);
+
+	send_cmd(0x36);
+	send_data(0xD8);//0xC8
+
+	send_cmd(0x44);
+	send_data(0x01);
+	send_data(0xD5);
+
+	//Gamma setting
+	send_cmd(0xF8);
+	send_data(0x21);
+	send_data(0x06);
+
+	send_cmd(0xE0);
+	send_data(0x0F);
+	send_data(0x18);
+	send_data(0x13);
+	send_data(0x08);
+	send_data(0x0B);
+	send_data(0x07);
+	send_data(0x4A);
+	send_data(0xA7);
+	send_data(0x3A);
+	send_data(0x0C);
+	send_data(0x16);
+	send_data(0x07);
+	send_data(0x09);
+	send_data(0x06);
+	send_data(0x00);
+
+	send_cmd(0xE1);
+	send_data(0x0F);
+	send_data(0x34);
+	send_data(0x31);
+	send_data(0x09);
+	send_data(0x0B);
+	send_data(0x02);
+	send_data(0x41);
+	send_data(0x53);
+	send_data(0x30);
+	send_data(0x04);
+	send_data(0x0F);
+	send_data(0x02);
+	send_data(0x17);
+	send_data(0x14);
+	send_data(0x00);
+
+	send_cmd(0xE2);
+	send_data(0x19);
+	send_data(0x19);
+	send_data(0x19);
+	send_data(0x19);
+	send_data(0x19);
+	send_data(0x19);
+	send_data(0x1A);
+	send_data(0x1A);
+	send_data(0x1A);
+	send_data(0x1A);
+	send_data(0x1A);
+	send_data(0x1A);
+	send_data(0x19);
+	send_data(0x19);
+	send_data(0x09);
+	send_data(0x09);
+
+	send_cmd(0xE3);
+	send_data(0x04);
+	send_data(0x04);
+	send_data(0x04);
+	send_data(0x04);
+	send_data(0x04);
+	send_data(0x04);
+	send_data(0x04);
+	send_data(0x04);
+	send_data(0x04);
+	send_data(0x04);
+	send_data(0x24);
+	send_data(0x24);
+	send_data(0x24);
+	send_data(0x24);
+	send_data(0x24);
+	send_data(0x24);
+	send_data(0x24);
+	send_data(0x24);
+	send_data(0x24);
+	send_data(0x24);
+	send_data(0x24);
+	send_data(0x24);
+	send_data(0x24);
+	send_data(0x25);
+	send_data(0x3D);
+	send_data(0x4D);
+	send_data(0x4D);
+	send_data(0x4D);
+	send_data(0x4C);
+	send_data(0x7C);
+	send_data(0x6D);
+	send_data(0x6D);
+	send_data(0x7D);
+	send_data(0x6D);
+	send_data(0x6E);
+	send_data(0x6D);
+	send_data(0x6D);
+	send_data(0x6D);
+	send_data(0x6D);
+	send_data(0x6D);
+	send_data(0x5C);
+	send_data(0x5C);
+	send_data(0x5C);
+	send_data(0x6B);
+	send_data(0x6B);
+	send_data(0x6A);
+	send_data(0x5B);
+	send_data(0x5B);
+	send_data(0x53);
+	send_data(0x53);
+	send_data(0x53);
+	send_data(0x53);
+	send_data(0x53);
+	send_data(0x53);
+	send_data(0x43);
+	send_data(0x33);
+	send_data(0xB4);
+	send_data(0x94);
+	send_data(0x74);
+	send_data(0x64);
+	send_data(0x64);
+	send_data(0x43);
+	send_data(0x13);
+	send_data(0x24);
+#if 1
+        //Display on
+	send_cmd(0x11); // (SLPOUT)
+
+	mdelay(120); // 100ms
+
+	send_cmd(0x29); // (DISPON)
+
+	mdelay(100); // 100ms
+#else
+	if (1) { //  for test the lcd
+		int i;
+		send_cmd(0x2C); //Write data
+		for (i = 0; i < 480*320/3; i++)
+			send_data(0xff);
+		for (i = 0; i < 480*320/3; i++)
+			send_data(0xff00);
+		for (i = 0; i < 480*320/3; i++)
+			send_data(0xff0000);
+	}
+	send_cmd(0x29); //Display On
+	mdelay(120); //120ms
+	send_cmd(0x2C); //Write data
+	mdelay(1200); //120ms
+#endif
+	pr_debug("ili9486_init: end\n");
+
+	return 0;
+}
+
+static int32_t ili9486_set_window(struct panel_spec *self,
+		uint16_t left, uint16_t top, uint16_t right, uint16_t bottom)
+{
+	send_data_t send_cmd = self->info.mcu->ops->send_cmd;
+	send_data_t send_data = self->info.mcu->ops->send_data;
+
+	pr_debug("ili9486_set_window\n");
+
+	send_cmd(0x2A); // col
+	send_data((left >> 8));
+	send_data((left & 0xFF));
+	send_data((right >> 8));
+	send_data((right & 0xFF));
+
+	send_cmd(0x2B); // row
+	send_data((top >> 8));
+	send_data((top & 0xFF));
+	send_data((bottom >> 8));
+	send_data((bottom & 0xFF));
+
+	send_cmd(0x2C);
+
+	return 0;
+}
+
+
+static int32_t ili9486_invalidate(struct panel_spec *self)
+{
+	pr_debug("ili9486_invalidate\n");
+
+	return self->ops->panel_set_window(self, 0, 0,
+			self->width-1, self->height-1);
+}
+
+static int32_t ili9486_invalidate_rect(struct panel_spec *self,
+				uint16_t left, uint16_t top,
+				uint16_t right, uint16_t bottom)
+{
+
+	pr_debug("ili9486_invalidate_rect : (%d, %d, %d, %d)\n",left, top, right, bottom);
+
+	return self->ops->panel_set_window(self, left, top,
+			right, bottom);
+}
+
+static int32_t ili9486_set_direction(struct panel_spec *self, uint16_t direction)
+{
+
+	pr_debug("ili9486_set_direction\n");
+	return 0;
+}
+
+static int32_t ili9486_enter_sleep(struct panel_spec *self, uint8_t is_sleep)
+{
+	//send_data_t send_cmd = self->info.mcu->ops->send_cmd;
+
+	if(is_sleep) {
+		//send_cmd(0x10);
+		mdelay(120);
+	}
+	else {
+		//send_cmd(0x11);
+		mdelay(120);
+	}
+	return 0;
+}
+
+static uint32_t ili9486_read_id(struct panel_spec *self)
+{
+	int32_t read_value = 0;
+#if 0
+	send_data_t send_cmd = self->info.mcu->ops->send_cmd;
+	read_data_t read_data = self->info.mcu->ops->read_data;
+
+	send_cmd(0x04);
+
+	read_data();
+	read_value += read_data()<< 16;
+	read_value += read_data()<< 8;
+	read_value += read_data();
+#endif
+	pr_debug("ili9486_read_id=%x\n",read_value);
+
+    read_value = 0x9486;
+
+	return read_value;
+}
+
+static struct panel_operations lcd_ili9486_operations = {
+	.panel_init            = ili9486_init,
+	.panel_set_window      = ili9486_set_window,
+	.panel_invalidate      = ili9486_invalidate,
+	//.lcd_invalidate_rect = ili9486_invalidate_rect,
+	.panel_set_direction   = ili9486_set_direction,
+	.panel_enter_sleep     = ili9486_enter_sleep,
+	.panel_readid         = ili9486_read_id,
+};
+
+static struct timing_mcu lcd_ili9486_timing[] = {
+	[MCU_LCD_REGISTER_TIMING] = {
+		.rcss = 25,
+		.rlpw = 45,
+		.rhpw = 90,
+		.wcss = 30,
+		.wlpw = 20,
+		.whpw = 20,
+	},
+	[MCU_LCD_GRAM_TIMING] = {
+		.rcss = 25,
+		.rlpw = 45,
+		.rhpw = 90,
+		.wcss = 30,
+		.wlpw = 20,
+		.whpw = 20,
+	}
+};
+
+static struct info_mcu lcd_ili9486_info = {
+	.bus_mode = LCD_BUS_8080,
+	.bus_width = 18,
+	.bpp = 18, /*RGB88*/
+	.timing = &lcd_ili9486_timing,
+	.ops = NULL,
+};
+
+struct panel_spec lcd_panel_ili9486 = {
+	.width = 320,
+	.height = 480,
+	.fps = 60,
+	.type = LCD_MODE_MCU,
+	.direction = LCD_DIRECT_NORMAL,
+	.info = {
+                 .mcu = &lcd_ili9486_info
+                },
+	.ops = &lcd_ili9486_operations,
+};
+
+struct panel_cfg lcd_ili9486 = {
+	/* this panel may on both CS0/1 */
+	.dev_id = SPRDFB_MAINLCD_ID,
+	.lcd_id = 0x9486,
+	.lcd_name = "lcd_ili9486",
+	.panel = &lcd_panel_ili9486,
+};
+
+static int __init lcd_ili9486_init(void)
+{
+    printk(KERN_INFO "sprdfb_111: [%s]:  0x%x!\n", __FUNCTION__,lcd_ili9486.lcd_id);
+
+	return sprdfb_panel_register(&lcd_ili9486);
+}
+
+subsys_initcall(lcd_ili9486_init);
+