diff options
Diffstat (limited to 'drivers/video/sprdfb/lcd/lcd_ili9486.c')
| -rw-r--r-- | drivers/video/sprdfb/lcd/lcd_ili9486.c | 434 |
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); + |