diff options
Diffstat (limited to 'drivers/video/sprdfb/lcd/lcd_ili9341.c')
| -rw-r--r-- | drivers/video/sprdfb/lcd/lcd_ili9341.c | 428 |
1 files changed, 428 insertions, 0 deletions
diff --git a/drivers/video/sprdfb/lcd/lcd_ili9341.c b/drivers/video/sprdfb/lcd/lcd_ili9341.c new file mode 100644 index 00000000..c857c4bc --- /dev/null +++ b/drivers/video/sprdfb/lcd/lcd_ili9341.c @@ -0,0 +1,428 @@ +/* drivers/video/sc8810/lcd_ili9341.c
+ *
+ * Support for ili9341 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 ili9341_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("ili9341_init\n");
+
+ //Power Setting
+ send_cmd(0xCF);
+ send_data(0x00);
+ send_data(0xE1);
+ send_data(0x30);
+
+ send_cmd(0xED);
+ send_data(0x64);
+ send_data(0x03);
+ send_data(0x12);
+ send_data(0x81);
+
+ send_cmd(0xCB);
+ send_data(0x39);
+ send_data(0x2C);
+ send_data(0x00);
+ send_data(0x34);
+ send_data(0x02);
+
+ send_cmd(0xF7);
+ send_data(0x20);
+
+ send_cmd(0xEA);
+ send_data(0x00);
+ send_data(0x00);
+
+ send_cmd(0xC5);
+ send_data(0x4C);
+ send_data(0x2B);
+
+ send_cmd(0xC7);
+ send_data(0x00);
+
+ send_cmd(0xC0);
+ send_data(0x22);
+
+ send_cmd(0xC1);
+ send_data(0x11);
+
+ //Initializing Sequence
+ send_cmd(0x35);
+ send_data(0x00);
+
+ send_cmd(0x36);
+ send_data(0x08);
+
+ send_cmd(0x3A);
+ send_data(0x05);
+
+ send_cmd(0xF2);
+ send_data(0x02);
+
+ send_cmd(0xB6);
+ send_data(0x01);
+ send_data(0xC2);
+
+ send_cmd(0xF6);
+ send_data(0x01);
+ send_data(0x10);
+ send_data(0x00);
+
+ send_cmd(0xB1);
+ send_data(0x00);
+ send_data(0x1A);
+
+ send_cmd(0xB5);
+ send_data(0x02);
+ send_data(0x02);
+ send_data(0x0A);
+ send_data(0x14);
+
+ send_cmd(0xE8);
+ send_data(0x85);
+ send_data(0x01);
+ send_data(0x78);
+
+ //Gamma Setting
+ send_cmd(0xE0);
+ send_data(0x0F);
+ send_data(0x31);
+ send_data(0x2F);
+ send_data(0x0D);
+ send_data(0x10);
+ send_data(0x08);
+ send_data(0x5F);
+ send_data(0xB6);
+ send_data(0x50);
+ send_data(0x07);
+ send_data(0x14);
+ send_data(0x07);
+ send_data(0x2A);
+ send_data(0x1F);
+ send_data(0x08);
+
+ send_cmd(0xE1);
+ send_data(0x00);
+ send_data(0x0E);
+ send_data(0x10);
+ send_data(0x04);
+ send_data(0x10);
+ send_data(0x04);
+ send_data(0x23);
+ send_data(0x54);
+ send_data(0x35);
+ send_data(0x03);
+ send_data(0x0B);
+ send_data(0x09);
+ send_data(0x20);
+ send_data(0x2A);
+ send_data(0x08);
+
+ send_cmd(0xE2);
+ send_data(0x00);
+ send_data(0x00);
+ send_data(0x00);
+ send_data(0x00);
+ send_data(0x00);
+ send_data(0x00);
+ send_data(0x00);
+ send_data(0x00);
+ send_data(0x00);
+ send_data(0x00);
+ send_data(0x00);
+ send_data(0x00);
+ send_data(0x00);
+ send_data(0x00);
+ send_data(0x00);
+ send_data(0x00);
+
+ send_cmd(0xE3);
+ send_data(0x00);
+ send_data(0x00);
+ send_data(0x00);
+ send_data(0x00);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x22);
+ send_data(0x22);
+ send_data(0x22);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x33);
+ send_data(0x03);
+ send_data(0x03);
+ send_data(0x03);
+ send_data(0x03);
+ send_data(0x03);
+ send_data(0x03);
+ send_data(0x03);
+ send_data(0x03);
+ send_data(0x03);
+ send_data(0x03);
+ send_data(0x03);
+ send_data(0x02);
+ send_data(0x01);
+ send_data(0x00);
+#if 1
+ //Display on
+ send_cmd(0x11); // (SLPOUT)
+ mdelay(10); // 100ms
+ send_cmd(0x29); // (DISPON)
+ mdelay(10); // 100ms
+ pr_debug("ili9341_init: end\n");
+
+ return 0;
+#else
+ if (1) { // for test the lcd
+ int i;
+ send_cmd(0x2C); //Write data
+ for (i = 0; i < 240*320/3; i++)
+ send_data(0xff);
+ for (i = 0; i < 240*320/3; i++)
+ send_data(0xff00);
+ for (i = 0; i < 24*320/3; i++)
+ send_data(0xff0000);
+ }
+ send_cmd(0x11); //Display On
+ mdelay(10); //120ms
+ send_cmd(0x29); //Write data
+ mdelay(10); //120ms
+#endif
+ pr_debug("ili9341_init: end\n");
+
+ return 0;
+}
+
+static int32_t ili9341_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("ili9341_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 ili9341_invalidate(struct panel_spec *self)
+{
+ pr_debug("ili9341_invalidate\n");
+
+ return self->ops->panel_set_window(self, 0, 0,
+ self->width-1, self->height-1);
+}
+
+static int32_t ili9341_invalidate_rect(struct panel_spec *self,
+ uint16_t left, uint16_t top,
+ uint16_t right, uint16_t bottom)
+{
+
+ pr_debug("ili9341_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 ili9341_set_direction(struct panel_spec *self, uint16_t direction)
+{
+
+ pr_debug("ili9341_set_direction\n");
+ return 0;
+}
+
+static int32_t ili9341_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 ili9341_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("ili9341_read_id=%x\n",read_value);
+
+ read_value = 0x9341;
+
+ return read_value;
+}
+
+static int32_t ili9341_change_epf(struct panel_spec *self, bool is_default)
+{
+ send_data_t send_cmd = self->info.mcu->ops->send_cmd;
+ send_data_t send_data = self->info.mcu->ops->send_data;
+
+ return 0;
+ + if(is_default){
+ send_cmd(0xF6);
+ send_data(0x01);
+ send_data(0x30);
+ send_data(0x00);
+ }else{ + send_cmd(0xF6);
+ send_data(0x01);
+ send_data(0x10);
+ send_data(0x00);
+ } + + return 0;
+}
+
+static struct panel_operations lcd_ili9341_operations = {
+ .panel_init = ili9341_init,
+ .panel_set_window = ili9341_set_window,
+ .panel_invalidate = ili9341_invalidate,
+ //.lcd_invalidate_rect = ili9341_invalidate_rect,
+ .panel_set_direction = ili9341_set_direction,
+ .panel_enter_sleep = ili9341_enter_sleep,
+ .panel_readid = ili9341_read_id,
+ .panel_change_epf = ili9341_change_epf,
+};
+
+static struct timing_mcu lcd_ili9341_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_ili9341_info = {
+ .bus_mode = LCD_BUS_8080,
+ .bus_width = 16,
+ .bpp = 16, /*RGB88*/
+ .timing = &lcd_ili9341_timing,
+ .ops = NULL,
+};
+
+struct panel_spec lcd_panel_ili9341 = {
+ .width = 240,
+ .height = 320,
+ .fps = 60,
+ .type = LCD_MODE_MCU,
+ .direction = LCD_DIRECT_NORMAL,
+ .info = {
+ .mcu = &lcd_ili9341_info
+ },
+ .ops = &lcd_ili9341_operations,
+};
+
+struct panel_cfg lcd_ili9341 = {
+ /* this panel may on both CS0/1 */
+ .dev_id = SPRDFB_MAINLCD_ID,
+ .lcd_id = 0x9341,
+ .lcd_name = "lcd_ili9341",
+ .panel = &lcd_panel_ili9341,
+};
+
+static int __init lcd_ili9341_init(void)
+{
+ printk(KERN_INFO "sprdfb_111: [%s]: 0x%x!\n", __FUNCTION__,lcd_ili9341.lcd_id);
+
+ return sprdfb_panel_register(&lcd_ili9341);
+}
+
+subsys_initcall(lcd_ili9341_init);
+
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