| /* |
| * drivers/display/lcd/lcd_extern/i2c_T5800Q.c |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the named License, |
| * or any later version. |
| * |
| * 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 <common.h> |
| #include <malloc.h> |
| #include <asm/arch/gpio.h> |
| #ifdef CONFIG_OF_LIBFDT |
| #include <libfdt.h> |
| #endif |
| #ifdef CONFIG_SYS_I2C_AML |
| #include <aml_i2c.h> |
| #endif |
| #include <amlogic/aml_lcd.h> |
| #include <amlogic/aml_lcd_extern.h> |
| #include "lcd_extern.h" |
| #include "../aml_lcd_common.h" |
| #include "../aml_lcd_reg.h" |
| |
| //#define LCD_EXT_I2C_PORT_INIT /* no need init i2c port here */ |
| //#define LCD_EXT_DEBUG_INFO |
| |
| #ifdef CONFIG_SYS_I2C_AML |
| #define LCD_EXTERN_INDEX 1 |
| #define LCD_EXTERN_NAME "i2c_T5800Q" |
| #define LCD_EXTERN_TYPE LCD_EXTERN_I2C |
| |
| #define LCD_EXTERN_I2C_ADDR (0x38 >> 1) //7bit address |
| #define LCD_EXTERN_I2C_BUS AML_I2C_MASTER_C |
| |
| #ifdef LCD_EXT_I2C_PORT_INIT |
| static unsigned aml_i2c_bus_tmp; |
| #endif |
| static struct lcd_extern_config_s *ext_config; |
| |
| #define LCD_EXTERN_CMD_SIZE 9 |
| static unsigned char init_on_table[] = { |
| //QFHD 50/60Hz 1 division Video Mode : |
| 0x00, 0x20, 0x01, 0x02, 0x00, 0x40, 0xFF, 0x00, 0x00, |
| 0x00, 0x80, 0x02, 0x00, 0x40, 0x62, 0x51, 0x73, 0x00, |
| 0x00, 0x61, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0xC1, 0x05, 0x0F, 0x00, 0x08, 0x70, 0x00, 0x00, |
| 0x00, 0x13, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x3D, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, //Color Engine Bypass Enable |
| 0x00, 0xED, 0x0D, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, //Mute only when starting |
| 0x00, 0x23, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0A, //MEMC off |
| 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //ending |
| }; |
| |
| static unsigned char init_off_table[] = { |
| 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //ending |
| }; |
| |
| static int lcd_extern_i2c_write(unsigned i2caddr, unsigned char *buff, unsigned len) |
| { |
| int ret = 0; |
| #ifdef LCD_EXT_DEBUG_INFO |
| int i; |
| #endif |
| struct i2c_msg msg; |
| |
| msg.addr = 0x1c;//i2caddr; |
| msg.flags = 0; |
| msg.len = 7;//len; |
| msg.buf = buff; |
| |
| #ifdef LCD_EXT_DEBUG_INFO |
| printf("%s:", __func__); |
| for (i = 0; i < len; i++) { |
| printf(" 0x%02x", buff[i]); |
| } |
| printf(" [addr 0x%02x]\n", i2caddr); |
| #endif |
| |
| ret = aml_i2c_xfer(&msg, 1); |
| //ret = aml_i2c_xfer_slow(&msg, 1); |
| if (ret < 0) |
| EXTERR("i2c write failed [addr 0x%02x]\n", i2caddr); |
| |
| return ret; |
| } |
| |
| static int lcd_extern_reg_read(unsigned char reg, unsigned char *buf) |
| { |
| int ret = 0; |
| |
| return ret; |
| } |
| |
| static int lcd_extern_reg_write(unsigned char reg, unsigned char value) |
| { |
| int ret = 0; |
| |
| return ret; |
| } |
| |
| static int lcd_extern_power_cmd(unsigned char *init_table, int flag) |
| { |
| int i = 0, max_len, step = 0; |
| unsigned char type, cmd_size; |
| int ret = 0; |
| |
| cmd_size = ext_config->cmd_size; |
| if (cmd_size < 1) { |
| EXTERR("%s: cmd_size %d is invalid\n", __func__, cmd_size); |
| return -1; |
| } |
| if (cmd_size == LCD_EXTERN_CMD_SIZE_DYNAMIC) { |
| EXTPR("%s: cmd_size dynamic length is not support\n", __func__); |
| return -1; |
| } |
| if (init_table == NULL) { |
| EXTERR("%s: init_table %d is NULL\n", __func__, flag); |
| return -1; |
| } |
| |
| if (flag) |
| max_len = LCD_EXTERN_INIT_ON_MAX; |
| else |
| max_len = LCD_EXTERN_INIT_OFF_MAX; |
| |
| while (i <= max_len) { |
| type = init_table[i]; |
| if (type == LCD_EXTERN_INIT_END) |
| break; |
| if (lcd_debug_print_flag) { |
| EXTPR("%s: step %d: type=0x%02x, cmd_size=%d\n", |
| __func__, step, type, cmd_size); |
| } |
| if (type == LCD_EXTERN_INIT_NONE) { |
| //do nothing, only for delay |
| } else if (type == LCD_EXTERN_INIT_GPIO) { |
| aml_lcd_extern_set_gpio(init_table[i+1], init_table[i+2]); |
| } else if (type == LCD_EXTERN_INIT_CMD) { |
| ret = lcd_extern_i2c_write(ext_config->i2c_addr, |
| &init_table[i+1], (cmd_size-2)); |
| } else if (type == LCD_EXTERN_INIT_CMD2) { |
| ret = lcd_extern_i2c_write(ext_config->i2c_addr2, |
| &init_table[i+1], (cmd_size-2)); |
| } else { |
| EXTERR("%s(%d: %s): pwoer_type %d is invalid\n", |
| __func__, ext_config->index, |
| ext_config->name, ext_config->type); |
| } |
| if (init_table[i+cmd_size-1] > 0) |
| mdelay(init_table[i+cmd_size-1]); |
| step++; |
| i += cmd_size; |
| } |
| |
| return ret; |
| } |
| |
| #ifdef LCD_EXT_I2C_PORT_INIT |
| static int lcd_extern_change_i2c_bus(unsigned aml_i2c_bus) |
| { |
| int ret = 0; |
| extern struct aml_i2c_platform g_aml_i2c_plat; |
| |
| if (aml_i2c_bus == LCD_EXTERN_I2C_BUS_INVALID) { |
| EXTERR("%s: invalid i2c_bus\n", __func__); |
| return -1; |
| } |
| g_aml_i2c_plat.master_no = aml_i2c_bus; |
| ret = aml_i2c_init(); |
| |
| return ret; |
| } |
| #endif |
| |
| static int lcd_extern_power_ctrl(int flag) |
| { |
| #ifdef LCD_EXT_I2C_PORT_INIT |
| extern struct aml_i2c_platform g_aml_i2c_plat; |
| aml_i2c_bus_tmp = g_aml_i2c_plat.master_no; |
| #endif |
| struct aml_lcd_extern_driver_s *ext_drv = aml_lcd_extern_get_driver(); |
| int ret = 0; |
| |
| /* step 1: power prepare */ |
| #ifdef LCD_EXT_I2C_PORT_INIT |
| lcd_extern_change_i2c_bus(ext_config->i2c_bus); |
| #endif |
| |
| /* step 2: power cmd */ |
| if (flag) |
| ret = lcd_extern_power_cmd(ext_drv->config->table_init_on, 1); |
| else |
| ret = lcd_extern_power_cmd(ext_drv->config->table_init_off, 0); |
| |
| /* step 3: power finish */ |
| #ifdef LCD_EXT_I2C_PORT_INIT |
| lcd_extern_change_i2c_bus(aml_i2c_bus_tmp); |
| #endif |
| |
| EXTPR("%s(%d: %s): %d\n", |
| __func__, ext_config->index, ext_config->name, flag); |
| return ret; |
| } |
| |
| static int lcd_extern_power_on(void) |
| { |
| int ret; |
| |
| lcd_extern_pinmux_set(1); |
| ret = lcd_extern_power_ctrl(1); |
| return ret; |
| } |
| |
| static int lcd_extern_power_off(void) |
| { |
| int ret; |
| |
| ret = lcd_extern_power_ctrl(0); |
| lcd_extern_pinmux_set(0); |
| |
| return ret; |
| } |
| |
| static int lcd_extern_driver_update(struct aml_lcd_extern_driver_s *ext_drv) |
| { |
| if (ext_drv == NULL) { |
| EXTERR("%s driver is null\n", LCD_EXTERN_NAME); |
| return -1; |
| } |
| |
| if (ext_drv->config->type == LCD_EXTERN_MAX) { //default for no dts |
| ext_drv->config->index = LCD_EXTERN_INDEX; |
| ext_drv->config->type = LCD_EXTERN_TYPE; |
| strcpy(ext_drv->config->name, LCD_EXTERN_NAME); |
| ext_drv->config->cmd_size = LCD_EXTERN_CMD_SIZE; |
| ext_drv->config->i2c_addr = LCD_EXTERN_I2C_ADDR; |
| ext_drv->config->i2c_bus = LCD_EXTERN_I2C_BUS; |
| } |
| if (ext_drv->config->table_init_loaded == 0) { |
| ext_drv->config->table_init_on = init_on_table; |
| ext_drv->config->table_init_off = init_off_table; |
| } |
| ext_drv->reg_read = lcd_extern_reg_read; |
| ext_drv->reg_write = lcd_extern_reg_write; |
| ext_drv->power_on = lcd_extern_power_on; |
| ext_drv->power_off = lcd_extern_power_off; |
| |
| return 0; |
| } |
| |
| int aml_lcd_extern_i2c_T5800Q_get_default_index(void) |
| { |
| return LCD_EXTERN_INDEX; |
| } |
| |
| int aml_lcd_extern_i2c_T5800Q_probe(struct aml_lcd_extern_driver_s *ext_drv) |
| { |
| int ret = 0; |
| |
| ext_config = ext_drv->config; |
| ret = lcd_extern_driver_update(ext_drv); |
| |
| if (lcd_debug_print_flag) |
| EXTPR("%s: %d\n", __func__, ret); |
| return ret; |
| } |
| #endif |
| |