forked from torvalds/linux
/
disp_lcd.c
1990 lines (1709 loc) · 48.4 KB
/
disp_lcd.c
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/*
* Copyright (C) 2007-2012 Allwinner Technology Co., Ltd.
*
* 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 License, or (at your option) 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <linux/module.h>
#include "disp_display_i.h"
#include "disp_lcd.h"
#include "disp_display.h"
#include "disp_event.h"
#include "disp_de.h"
#include "disp_clk.h"
#include "OSAL_Pin.h"
static __lcd_flow_t open_flow[2];
static __lcd_flow_t close_flow[2];
__panel_para_t gpanel_info[2];
static __lcd_panel_fun_t lcd_panel_fun[2];
static void
LCD_get_reg_bases(__reg_bases_t *para)
{
para->base_lcdc0 = gdisp.init_para.base_lcdc0;
para->base_lcdc1 = gdisp.init_para.base_lcdc1;
para->base_pioc = gdisp.init_para.base_pioc;
para->base_ccmu = gdisp.init_para.base_ccmu;
para->base_pwm = gdisp.init_para.base_pwm;
}
EXPORT_SYMBOL(LCD_get_reg_bases);
static void
Lcd_Panel_Parameter_Check(__u32 sel)
{
__panel_para_t *info;
__u32 cycle_num = 1;
__u32 Lcd_Panel_Err_Flag = 0;
__u32 Lcd_Panel_Wrn_Flag = 0;
__u32 Disp_Driver_Bug_Flag = 0;
__u32 lcd_fclk_frq;
__u32 lcd_clk_div;
info = &(gpanel_info[sel]);
if (info->lcd_if == 0 && info->lcd_hv_if == 1 &&
info->lcd_hv_smode == 0)
cycle_num = 3;
else if (info->lcd_if == 0 && info->lcd_hv_if == 1 &&
info->lcd_hv_smode == 1)
cycle_num = 2;
else if (info->lcd_if == 1 && info->lcd_cpu_if == 1)
cycle_num = 3;
else if (info->lcd_if == 1 && info->lcd_cpu_if == 2)
cycle_num = 2;
else if (info->lcd_if == 1 && info->lcd_cpu_if == 3)
cycle_num = 2;
else if (info->lcd_if == 1 && info->lcd_cpu_if == 5)
cycle_num = 2;
else if (info->lcd_if == 1 && info->lcd_cpu_if == 6)
cycle_num = 3;
else if (info->lcd_if == 1 && info->lcd_cpu_if == 7)
cycle_num = 2;
else
cycle_num = 1;
if (info->lcd_hbp > info->lcd_hv_hspw)
;
else
Lcd_Panel_Err_Flag |= BIT0;
if (info->lcd_vbp > info->lcd_hv_vspw)
;
else
Lcd_Panel_Err_Flag |= BIT1;
if (info->lcd_ht >= (info->lcd_hbp + info->lcd_x * cycle_num + 4))
;
else
Lcd_Panel_Err_Flag |= BIT2;
if ((info->lcd_vt / 2) >= (info->lcd_vbp + info->lcd_y + 2))
;
else
Lcd_Panel_Err_Flag |= BIT3;
lcd_clk_div = TCON0_get_dclk_div(sel);
if (lcd_clk_div >= 6) {
;
} else if ((lcd_clk_div == 5) || (lcd_clk_div == 4) ||
(lcd_clk_div == 2)) {
if ((info->lcd_io_cfg0 != 0x00000000) &&
(info->lcd_io_cfg0 != 0x04000000))
Lcd_Panel_Err_Flag |= BIT10;
} else
Disp_Driver_Bug_Flag |= 1;
if ((info->lcd_if == 1 && info->lcd_cpu_if == 0) ||
(info->lcd_if == 3 && info->lcd_lvds_bitwidth == 1)) {
if (info->lcd_frm != 1)
Lcd_Panel_Wrn_Flag |= BIT0;
} else if (info->lcd_if == 1 && info->lcd_cpu_if == 4) {
if (info->lcd_frm != 2)
Lcd_Panel_Wrn_Flag |= BIT1;
}
lcd_fclk_frq = (info->lcd_dclk_freq * 1000 * 1000) /
((info->lcd_vt / 2) * info->lcd_ht);
if (lcd_fclk_frq < 50 || lcd_fclk_frq > 70)
Lcd_Panel_Wrn_Flag |= BIT2;
if (Lcd_Panel_Err_Flag != 0 || Lcd_Panel_Wrn_Flag != 0) {
if (Lcd_Panel_Err_Flag != 0) {
__u32 i;
for (i = 0; i < 200; i++)
DE_WRN("*** Lcd in danger...\n");
}
DE_WRN("*******************************************************"
"**********\n");
DE_WRN("***\n");
DE_WRN("*** LCD Panel Parameter Check\n");
DE_WRN("***\n");
DE_WRN("*** by dulianping\n");
DE_WRN("***\n");
DE_WRN("*******************************************************"
"**********\n");
DE_WRN("***\n");
DE_WRN("*** Interface:");
if (info->lcd_if == 0 && info->lcd_hv_if == 0) {
DE_WRN("*** Parallel HV Panel\n");
} else if (info->lcd_if == 0 && info->lcd_hv_if == 1) {
DE_WRN("*** Serial HV Panel\n");
} else if (info->lcd_if == 0 && info->lcd_hv_if == 2) {
DE_WRN("*** Serial YUV Panel\n");
} else if (info->lcd_if == 3 && info->lcd_lvds_bitwidth == 0) {
DE_WRN("*** 24Bit LVDS Panel\n");
} else if (info->lcd_if == 3 && info->lcd_lvds_bitwidth == 1) {
DE_WRN("*** 18Bit LVDS Panel\n");
} else if (info->lcd_if == 1 && info->lcd_cpu_if == 0) {
DE_WRN("*** 18Bit CPU Panel\n");
} else if (info->lcd_if == 1 && info->lcd_cpu_if == 4) {
DE_WRN("*** 16Bit CPU Panel\n");
} else {
DE_WRN("\n");
DE_WRN("*** lcd_if: %d\n", info->lcd_if);
DE_WRN("*** lcd_hv_if: %d\n", info->lcd_hv_if);
DE_WRN("*** lcd_cpu_if: %d\n", info->lcd_cpu_if);
}
if (info->lcd_frm == 0)
DE_WRN("*** Lcd Frm Disable\n");
else if (info->lcd_frm == 1)
DE_WRN("*** Lcd Frm to RGB666\n");
else if (info->lcd_frm == 2)
DE_WRN("*** Lcd Frm to RGB565\n");
DE_WRN("***\n");
DE_WRN("*** Timing:\n");
DE_WRN("*** lcd_x: %d\n", info->lcd_x);
DE_WRN("*** lcd_y: %d\n", info->lcd_y);
DE_WRN("*** lcd_ht: %d\n", info->lcd_ht);
DE_WRN("*** lcd_hbp: %d\n", info->lcd_hbp);
DE_WRN("*** lcd_vt: %d\n", info->lcd_vt);
DE_WRN("*** lcd_vbp: %d\n", info->lcd_vbp);
DE_WRN("*** lcd_hspw: %d\n", info->lcd_hv_hspw);
DE_WRN("*** lcd_vspw: %d\n", info->lcd_hv_vspw);
DE_WRN("*** lcd_frame_frq: %dHz\n", lcd_fclk_frq);
/* Print Error */
DE_WRN("***\n");
if (Lcd_Panel_Err_Flag & BIT0)
DE_WRN("*** Err01: Violate \"lcd_hbp > lcd_hspw\"\n");
if (Lcd_Panel_Err_Flag & BIT1)
DE_WRN("*** Err02: Violate \"lcd_vbp > lcd_vspw\"\n");
if (Lcd_Panel_Err_Flag & BIT2)
DE_WRN("*** Err03: Violate \"lcd_ht >= "
"(lcd_hbp+lcd_x*%d+4)\"\n", cycle_num);
if (Lcd_Panel_Err_Flag & BIT3)
DE_WRN("*** Err04: Violate \"(lcd_vt/2) >= "
"(lcd_vbp+lcd_y+2)\"\n");
if (Lcd_Panel_Err_Flag & BIT10)
DE_WRN("*** Err10: Violate \"lcd_io_cfg0\", "
"use \"0x00000000\" or \"0x04000000\"");
if (Lcd_Panel_Wrn_Flag & BIT0)
DE_WRN("*** WRN01: Recommend \"lcd_frm = 1\"\n");
if (Lcd_Panel_Wrn_Flag & BIT1)
DE_WRN("*** WRN02: Recommend \"lcd_frm = 2\"\n");
if (Lcd_Panel_Wrn_Flag & BIT2)
DE_WRN("*** WRN03: Recommend \"lcd_dclk_frq = %d\"\n",
((info->lcd_vt / 2) * info->lcd_ht) * 60 /
(1000 * 1000));
DE_WRN("***\n");
if (Lcd_Panel_Err_Flag != 0) {
__u32 image_base_addr;
__u32 reg_value = 0;
image_base_addr = DE_Get_Reg_Base(sel);
/* set background color */
sys_put_wvalue(image_base_addr + 0x804, 0xffff00ff);
reg_value = sys_get_wvalue(image_base_addr + 0x800);
/* close all layer */
sys_put_wvalue(image_base_addr + 0x800,
reg_value & 0xfffff0ff);
LCD_delay_ms(2000);
/* set background color */
sys_put_wvalue(image_base_addr + 0x804, 0x00000000);
/* open layer */
sys_put_wvalue(image_base_addr + 0x800, reg_value);
DE_WRN("*** Try new parameters, you can make it "
"pass!\n");
}
DE_WRN("*** LCD Panel Parameter Check End\n");
DE_WRN("*******************************************************"
"**********\n");
}
}
static __s32
LCD_get_panel_para(__u32 sel, __panel_para_t *info)
{
__s32 ret = 0;
char primary_key[20];
__s32 value = 0;
__u32 i = 0;
sprintf(primary_key, "lcd%d_para", sel);
memset(info, 0, sizeof(__panel_para_t));
ret = script_parser_fetch(primary_key, "lcd_x", &value, 1);
if (ret < 0) {
DE_WRN("fetch script data %s.lcd_x fail\n", primary_key);
} else {
info->lcd_x = value;
DE_INF("lcd_x = %d\n", value);
}
ret = script_parser_fetch(primary_key, "lcd_y", &value, 1);
if (ret < 0) {
DE_WRN("fetch script data %s.lcd_y fail\n", primary_key);
} else {
info->lcd_y = value;
DE_INF("lcd_y = %d\n", value);
}
ret = script_parser_fetch(primary_key, "lcd_dclk_freq", &value, 1);
if (ret < 0) {
DE_WRN("fetch script data %s.lcd_dclk_freq fail\n",
primary_key);
} else {
info->lcd_dclk_freq = value;
DE_INF("lcd_dclk_freq = %d\n", value);
}
ret = script_parser_fetch(primary_key, "lcd_pwm_not_used", &value, 1);
if (ret < 0) {
DE_INF("fetch script data %s.lcd_pwm_not_used fail\n",
primary_key);
} else {
info->lcd_pwm_not_used = value;
DE_INF("lcd_pwm_not_used = %d\n", value);
}
ret = script_parser_fetch(primary_key, "lcd_pwm_ch", &value, 1);
if (ret < 0) {
DE_INF("fetch script data %s.lcd_pwm_ch fail\n", primary_key);
} else {
info->lcd_pwm_ch = value;
DE_INF("lcd_pwm_ch = %d\n", value);
}
ret = script_parser_fetch(primary_key, "lcd_pwm_freq", &value, 1);
if (ret < 0) {
DE_WRN("fetch script data %s.lcd_pwm_freq fail\n", primary_key);
} else {
info->lcd_pwm_freq = value;
DE_INF("lcd_pwm_freq = %d\n", value);
}
ret = script_parser_fetch(primary_key, "lcd_pwm_pol", &value, 1);
if (ret < 0) {
DE_WRN("fetch script data %s.lcd_pwm_pol fail\n", primary_key);
} else {
info->lcd_pwm_pol = value;
DE_INF("lcd_pwm_pol = %d\n", value);
}
ret = script_parser_fetch(primary_key, "lcd_if", &value, 1);
if (ret < 0) {
DE_WRN("fetch script data %s.lcd_if fail\n", primary_key);
} else {
info->lcd_if = value;
DE_INF("lcd_if = %d\n", value);
}
ret = script_parser_fetch(primary_key, "lcd_hbp", &value, 1);
if (ret < 0) {
DE_WRN("fetch script data %s.lcd_hbp fail\n", primary_key);
} else {
info->lcd_hbp = value;
DE_INF("lcd_hbp = %d\n", value);
}
ret = script_parser_fetch(primary_key, "lcd_ht", &value, 1);
if (ret < 0) {
DE_WRN("fetch script data %s.lcd_ht fail\n", primary_key);
} else {
info->lcd_ht = value;
DE_INF("lcd_ht = %d\n", value);
}
ret = script_parser_fetch(primary_key, "lcd_vbp", &value, 1);
if (ret < 0) {
DE_WRN("fetch script data %s.lcd_vbp fail\n", primary_key);
} else {
info->lcd_vbp = value;
DE_INF("lcd_vbp = %d\n", value);
}
ret = script_parser_fetch(primary_key, "lcd_vt", &value, 1);
if (ret < 0) {
DE_WRN("fetch script data %s.lcd_vt fail\n", primary_key);
} else {
info->lcd_vt = value;
DE_INF("lcd_vt = %d\n", value);
}
ret = script_parser_fetch(primary_key, "lcd_hv_if", &value, 1);
if (ret < 0) {
DE_INF("fetch script data %s.lcd_hv_if fail\n", primary_key);
} else {
info->lcd_hv_if = value;
DE_INF("lcd_hv_if = %d\n", value);
}
ret = script_parser_fetch(primary_key, "lcd_hv_smode", &value, 1);
if (ret < 0) {
DE_INF("fetch script data %s.lcd_hv_smode fail\n", primary_key);
} else {
info->lcd_hv_smode = value;
DE_INF("lcd_hv_smode = %d\n", value);
}
ret = script_parser_fetch(primary_key, "lcd_hv_s888_if", &value, 1);
if (ret < 0) {
DE_INF("fetch script data %s.lcd_hv_s888_if fail\n",
primary_key);
} else {
info->lcd_hv_s888_if = value;
DE_INF("lcd_hv_s888_if = %d\n", value);
}
ret = script_parser_fetch(primary_key, "lcd_hv_syuv_if", &value, 1);
if (ret < 0) {
DE_INF("fetch script data %s.lcd_hv_syuv_if fail\n",
primary_key);
} else {
info->lcd_hv_syuv_if = value;
DE_INF("lcd_hv_syuv_if = %d\n", value);
}
ret = script_parser_fetch(primary_key, "lcd_hv_vspw", &value, 1);
if (ret < 0) {
DE_INF("fetch script data %s.lcd_hv_vspw fail\n", primary_key);
} else {
info->lcd_hv_vspw = value;
DE_INF("lcd_hv_vspw = %d\n", value);
}
ret = script_parser_fetch(primary_key, "lcd_hv_hspw", &value, 1);
if (ret < 0) {
DE_INF("fetch script data %s.lcd_hv_hspw fail\n", primary_key);
} else {
info->lcd_hv_hspw = value;
DE_INF("lcd_hv_hspw = %d\n", value);
}
ret = script_parser_fetch(primary_key, "lcd_lvds_ch", &value, 1);
if (ret < 0) {
DE_INF("fetch script data %s.lcd_lvds_ch fail\n", primary_key);
} else {
info->lcd_lvds_ch = value;
DE_INF("lcd_lvds_ch = %d\n", value);
}
ret = script_parser_fetch(primary_key, "lcd_lvds_mode", &value, 1);
if (ret < 0) {
DE_INF("fetch script data %s.lcd_lvds_mode fail\n",
primary_key);
} else {
info->lcd_lvds_mode = value;
DE_INF("lcd_lvds_mode = %d\n", value);
}
ret = script_parser_fetch(primary_key, "lcd_lvds_bitwidth", &value, 1);
if (ret < 0) {
DE_INF("fetch script data %s.lcd_lvds_bitwidth fail\n",
primary_key);
} else {
info->lcd_lvds_bitwidth = value;
DE_INF("lcd_lvds_bitwidth = %d\n", value);
}
ret = script_parser_fetch(primary_key, "lcd_lvds_io_cross", &value, 1);
if (ret < 0) {
DE_INF("fetch script data %s.lcd_lvds_io_cross fail\n",
primary_key);
} else {
info->lcd_lvds_io_cross = value;
DE_INF("lcd_lvds_io_cross = %d\n", value);
}
ret = script_parser_fetch(primary_key, "lcd_cpu_if", &value, 1);
if (ret < 0) {
DE_INF("fetch script data %s.lcd_cpu_if fail\n", primary_key);
} else {
info->lcd_cpu_if = value;
DE_INF("lcd_cpu_if = %d\n", value);
}
ret = script_parser_fetch(primary_key, "lcd_frm", &value, 1);
if (ret < 0) {
DE_INF("fetch script data %s.lcd_frm fail\n", primary_key);
} else {
info->lcd_frm = value;
DE_INF("lcd_frm = %d\n", value);
}
ret = script_parser_fetch(primary_key, "lcd_io_cfg0", &value, 1);
if (ret < 0) {
DE_INF("fetch script data %s.lcd_io_cfg0 fail\n", primary_key);
} else {
info->lcd_io_cfg0 = value;
DE_INF("lcd_io_cfg0 = 0x%08x\n", value);
}
ret = script_parser_fetch(primary_key, "lcd_gamma_correction_en",
&value, 1);
if (ret < 0) {
DE_INF("fetch script data %s.lcd_gamma_correction_en fail\n",
primary_key);
} else {
info->lcd_gamma_correction_en = value;
DE_INF("lcd_gamma_correction_en = %d\n", value);
}
if (info->lcd_gamma_correction_en) {
for (i = 0; i < 256; i++) {
char name[20];
sprintf(name, "lcd_gamma_tbl_%d", i);
ret = script_parser_fetch(primary_key, name, &value, 1);
if (ret < 0) {
info->lcd_gamma_tbl[i] =
(i << 16) | (i << 8) | i;
DE_INF("fetch script data %s.%s fail\n",
primary_key, name);
} else {
info->lcd_gamma_tbl[i] = value;
DE_INF("%s = 0x%x\n", name, value);
}
}
}
return 0;
}
static void
LCD_get_sys_config(__u32 sel, __disp_lcd_cfg_t *lcd_cfg)
{
char io_name[28][20] = {
"lcdd0", "lcdd1", "lcdd2", "lcdd3", "lcdd4", "lcdd5",
"lcdd6", "lcdd7", "lcdd8", "lcdd9", "lcdd10", "lcdd11",
"lcdd12", "lcdd13", "lcdd14", "lcdd15", "lcdd16", "lcdd17",
"lcdd18", "lcdd19", "lcdd20", "lcdd21", "lcdd22", "lcdd23",
"lcdclk", "lcdde", "lcdhsync", "lcdvsync"};
user_gpio_set_t *gpio_info;
int value = 1;
char primary_key[20], sub_name[20];
int i = 0;
int ret;
sprintf(primary_key, "lcd%d_para", sel);
/* lcd_used */
ret = script_parser_fetch(primary_key, "lcd_used", &value, 1);
if (ret < 0) {
DE_WRN("%s.lcd_used not exit\n", primary_key);
lcd_cfg->lcd_used = 0;
} else {
DE_INF("%s.lcd_used = %d\n", primary_key, value);
lcd_cfg->lcd_used = value;
}
/* lcd_bl_en */
lcd_cfg->lcd_bl_en_used = 0;
value = 1;
ret = script_parser_fetch(primary_key, "lcd_bl_en_used", &value, 1);
if (value == 0) {
DE_INF("%s.lcd_bl_en is not used\n", primary_key);
} else {
gpio_info = &(lcd_cfg->lcd_bl_en);
ret = script_parser_fetch(primary_key, "lcd_bl_en",
(int *)gpio_info,
sizeof(user_gpio_set_t) /
sizeof(int));
if (ret < 0) {
DE_INF("%s.lcd_bl_en not exist\n", primary_key);
} else {
DE_INF("%s.lcd_bl_en gpio_port=%d,gpio_port_num:%d, "
"data:%d\n", primary_key, gpio_info->port,
gpio_info->port_num, gpio_info->data);
lcd_cfg->lcd_bl_en_used = 1;
}
}
/* lcd_power */
lcd_cfg->lcd_power_used = 0;
value = 1;
ret = script_parser_fetch(primary_key, "lcd_power_used", &value, 1);
if (value == 0) {
DE_INF("%s.lcd_power is not used\n", primary_key);
} else {
gpio_info = &(lcd_cfg->lcd_power);
ret = script_parser_fetch(primary_key, "lcd_power",
(int *)gpio_info,
sizeof(user_gpio_set_t) /
sizeof(int));
if (ret < 0) {
DE_INF("%s.lcd_power not exist\n", primary_key);
} else {
DE_INF("%s.lcd_power gpio_port=%d,gpio_port_num:%d, "
"data:%d\n", primary_key, gpio_info->port,
gpio_info->port_num, gpio_info->data);
lcd_cfg->lcd_power_used = 1;
}
}
/* lcd_pwm */
lcd_cfg->lcd_pwm_used = 0;
value = 1;
ret = script_parser_fetch(primary_key, "lcd_pwm_used", &value, 1);
if (value == 0) {
DE_INF("%s.lcd_pwm is not used\n", primary_key);
} else {
gpio_info = &(lcd_cfg->lcd_pwm);
ret = script_parser_fetch(primary_key, "lcd_pwm",
(int *)gpio_info,
sizeof(user_gpio_set_t) /
sizeof(int));
if (ret < 0) {
DE_INF("%s.lcd_pwm not exist\n", primary_key);
} else {
DE_INF("%s.lcd_pwm gpio_port=%d,gpio_port_num:%d, "
"data:%d\n", primary_key, gpio_info->port,
gpio_info->port_num, gpio_info->data);
lcd_cfg->lcd_pwm_used = 1;
}
}
/* lcd_gpio */
for (i = 0; i < 4; i++) {
sprintf(sub_name, "lcd_gpio_%d", i);
gpio_info = &(lcd_cfg->lcd_gpio[i]);
ret = script_parser_fetch(primary_key, sub_name,
(int *)gpio_info,
sizeof(user_gpio_set_t) /
sizeof(int));
if (ret < 0) {
DE_INF("%s.%s not exist\n", primary_key, sub_name);
lcd_cfg->lcd_gpio_used[i] = 0;
} else {
DE_INF("%s.%s gpio_port=%d,gpio_port_num:%d, "
"mul_sel:%d\n", primary_key, sub_name,
gpio_info->port, gpio_info->port_num,
gpio_info->mul_sel);
lcd_cfg->lcd_gpio_used[i] = 1;
}
}
/* lcd io */
for (i = 0; i < 28; i++) {
gpio_info = &(lcd_cfg->lcd_io[i]);
ret = script_parser_fetch(primary_key, io_name[i],
(int *)gpio_info,
sizeof(user_gpio_set_t) /
sizeof(int));
if (ret < 0) {
DE_INF("%s.%s not exist\n", primary_key, io_name[i]);
lcd_cfg->lcd_io_used[i] = 0;
} else {
DE_INF("%s.%s gpio_port=%d,gpio_port_num:%d, "
"mul_sel:%d\n", primary_key, io_name[i],
gpio_info->port, gpio_info->port_num,
gpio_info->mul_sel);
lcd_cfg->lcd_io_used[i] = 1;
}
}
/* init_brightness */
sprintf(primary_key, "disp_init");
sprintf(sub_name, "lcd%d_bright", sel);
ret = script_parser_fetch(primary_key, sub_name, &value, 1);
if (ret < 0) {
DE_INF("%s.%s not exit\n", primary_key, sub_name);
lcd_cfg->init_bright = 192;
} else {
DE_INF("%s.%s = %d\n", primary_key, sub_name, value);
if (value > 256)
value = 256;
lcd_cfg->init_bright = value;
}
}
void LCD_delay_ms(__u32 ms)
{
__u32 timeout = ms * HZ / 1000;
set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(timeout);
}
EXPORT_SYMBOL(LCD_delay_ms);
void LCD_delay_us(__u32 us)
{
udelay(us);
}
EXPORT_SYMBOL(LCD_delay_us);
void
LCD_OPEN_FUNC(__u32 sel, LCD_FUNC func, __u32 delay)
{
open_flow[sel].func[open_flow[sel].func_num].func = func;
open_flow[sel].func[open_flow[sel].func_num].delay = delay;
open_flow[sel].func_num++;
}
EXPORT_SYMBOL(LCD_OPEN_FUNC);
void
LCD_CLOSE_FUNC(__u32 sel, LCD_FUNC func, __u32 delay)
{
close_flow[sel].func[close_flow[sel].func_num].func = func;
close_flow[sel].func[close_flow[sel].func_num].delay = delay;
close_flow[sel].func_num++;
}
EXPORT_SYMBOL(LCD_CLOSE_FUNC);
void
TCON_open(__u32 sel)
{
if (gpanel_info[sel].tcon_index == 0) {
TCON0_open(sel);
gdisp.screen[sel].lcdc_status |= LCDC_TCON0_USED;
} else {
TCON1_open(sel);
gdisp.screen[sel].lcdc_status |= LCDC_TCON1_USED;
}
if (gpanel_info[sel].lcd_if == 3)
LCD_LVDS_open(sel);
}
EXPORT_SYMBOL(TCON_open);
void
TCON_close(__u32 sel)
{
if (gpanel_info[sel].lcd_if == 3)
LCD_LVDS_close(sel);
if (gpanel_info[sel].tcon_index == 0) {
TCON0_close(sel);
gdisp.screen[sel].lcdc_status &= ~LCDC_TCON0_USED;
} else {
TCON1_close(sel);
gdisp.screen[sel].lcdc_status &= ~LCDC_TCON1_USED;
}
}
EXPORT_SYMBOL(TCON_close);
static __u32 pwm_read_reg(__u32 offset)
{
__u32 value = 0;
value = sys_get_wvalue(gdisp.init_para.base_pwm + offset);
return value;
}
static __s32 pwm_write_reg(__u32 offset, __u32 value)
{
sys_put_wvalue(gdisp.init_para.base_pwm + offset, value);
#ifdef CONFIG_ARCH_SUN4I
LCD_delay_ms(20);
#endif
return 0;
}
static __s32
pwm_enable(__u32 channel, __bool b_en)
{
__u32 tmp = 0;
__hdle hdl;
if (gdisp.screen[channel].lcd_cfg.lcd_pwm_used) {
user_gpio_set_t gpio_info[1];
memcpy(gpio_info, &(gdisp.screen[channel].lcd_cfg.lcd_pwm),
sizeof(user_gpio_set_t));
if (b_en)
gpio_info->mul_sel = 2;
else
gpio_info->mul_sel = 0;
hdl = OSAL_GPIO_Request(gpio_info, 1);
OSAL_GPIO_Release(hdl, 2);
}
if (channel == 0) {
tmp = pwm_read_reg(0x200);
if (b_en)
tmp |= (1 << 4);
else
tmp &= (~(1 << 4));
pwm_write_reg(0x200, tmp);
} else {
tmp = pwm_read_reg(0x200);
if (b_en)
tmp |= (1 << 19);
else
tmp &= (~(1 << 19));
pwm_write_reg(0x200, tmp);
}
gdisp.pwm[channel].enable = b_en;
return 0;
}
EXPORT_SYMBOL(pwm_enable);
#ifdef CONFIG_ARCH_SUN4I
/*
* channel: pwm channel,0/1
* pwm_info->freq: pwm freq, in hz
* pwm_info->active_state: 0:low level; 1:high level
*/
__s32 pwm_set_para(__u32 channel, __pwm_info_t *pwm_info)
{
__u32 pre_scal[10] = { 120, 180, 240, 360, 480,
12000, 24000, 36000, 48000, 72000 };
__u32 pre_scal_id = 0, entire_cycle = 256, active_cycle = 192;
__u32 i = 0, tmp = 0;
__u32 freq;
freq = 1000000 / pwm_info->period_ns;
if (freq > 200000) {
DE_WRN("pwm preq is large then 200khz, fix to 200khz\n");
freq = 200000;
}
if (freq > 781) {
pre_scal_id = 0;
entire_cycle =
(24000000 / pre_scal[pre_scal_id] + (freq / 2)) / freq;
DE_INF("pre_scal:%d, entire_cycle:%d, pwm_freq:%d\n",
pre_scal[i], entire_cycle,
24000000 / pre_scal[pre_scal_id] / entire_cycle);
} else {
for (i = 0; i < 10; i++) {
__u32 pwm_freq = 0;
pwm_freq = 24000000 / (pre_scal[i] * 256);
if (abs(pwm_freq - freq) < abs(tmp - freq)) {
tmp = pwm_freq;
pre_scal_id = i;
entire_cycle = 256;
DE_INF("pre_scal:%d, entire_cycle:%d, "
"pwm_freq:%d\n", pre_scal[i], 256,
pwm_freq);
DE_INF("----%d\n", tmp);
}
}
}
active_cycle = (pwm_info->duty_ns * entire_cycle +
(pwm_info->period_ns / 2)) / pwm_info->period_ns;
gdisp.pwm[channel].enable = pwm_info->enable;
gdisp.pwm[channel].freq = freq;
gdisp.pwm[channel].pre_scal = pre_scal[pre_scal_id];
gdisp.pwm[channel].active_state = pwm_info->active_state;
gdisp.pwm[channel].duty_ns = pwm_info->duty_ns;
gdisp.pwm[channel].period_ns = pwm_info->period_ns;
gdisp.pwm[channel].entire_cycle = entire_cycle;
gdisp.pwm[channel].active_cycle = active_cycle;
if (pre_scal_id >= 5)
pre_scal_id += 3;
if (channel == 0) {
pwm_write_reg(0x204, ((entire_cycle - 1) << 16) | active_cycle);
tmp = pwm_read_reg(0x200) & 0xffffff00;
/*
* bit6: gating the special clock for pwm0
* bit5: pwm0: active state is high level
*/
tmp |= (1 << 6) | (pwm_info->active_state << 5) | pre_scal_id;
pwm_write_reg(0x200, tmp);
} else {
pwm_write_reg(0x208, ((entire_cycle - 1) << 16) | active_cycle);
tmp = pwm_read_reg(0x200) & 0xff807fff;
/*
* bit21: gating the special clock for pwm1
* bit20: pwm1: active state is high level
*/
tmp |= (1 << 21) | (pwm_info->active_state << 20) |
(pre_scal_id << 15);
pwm_write_reg(0x200, tmp);
}
pwm_enable(channel, pwm_info->enable);
return 0;
}
#else
/*
* channel: pwm channel,0/1
* pwm_info->freq: pwm freq, in hz
* pwm_info->active_state: 0:low level; 1:high level
*/
__s32 pwm_set_para(__u32 channel, __pwm_info_t *pwm_info)
{
__u32 pre_scal[11][2] = {
{1, 0xf},
{120, 0}, {180, 1}, {240, 2}, {360, 3}, {480, 4},
{12000, 8}, {24000, 9}, {36000, 0xa},
{48000, 0xb}, {72000, 0xc}
};
__u32 pre_scal_id = 0, entire_cycle = 16, active_cycle = 12;
__u32 i = 0, j = 0, tmp = 0;
__u32 freq;
freq = 1000000 / pwm_info->period_ns;
if (freq > 366) {
pre_scal_id = 0;
entire_cycle = 24000000 / freq;
} else {
for (i = 1; i < 11; i++) {
for (j = 16;; j += 16) {
__u32 pwm_freq = 0;
pwm_freq = 24000000 / (pre_scal[i][0] * j);
if (abs(pwm_freq - freq) < abs(tmp - freq)) {
tmp = pwm_freq;
pre_scal_id = i;
entire_cycle = j;
DE_INF("pre_scal:%d, entire_cycle:%d, "
"pwm_freq:%d\n",
pre_scal[i][0], j, pwm_freq);
DE_INF("----%d\n", tmp);
} else if ((tmp < freq) && (pwm_freq < tmp)) {
break;
}
}
}
}
active_cycle = (pwm_info->duty_ns * entire_cycle +
(pwm_info->period_ns / 2)) / pwm_info->period_ns;
gdisp.pwm[channel].enable = pwm_info->enable;
gdisp.pwm[channel].freq = freq;
gdisp.pwm[channel].pre_scal = pre_scal[pre_scal_id][0];
gdisp.pwm[channel].active_state = pwm_info->active_state;
gdisp.pwm[channel].duty_ns = pwm_info->duty_ns;
gdisp.pwm[channel].period_ns = pwm_info->period_ns;
gdisp.pwm[channel].entire_cycle = entire_cycle;
gdisp.pwm[channel].active_cycle = active_cycle;
if (channel == 0) {
pwm_write_reg(0x204, ((entire_cycle - 1) << 16) | active_cycle);
tmp = pwm_read_reg(0x200) & 0xffffff00;
/*
* bit6: gating the special clock for pwm0
* bit5: pwm0: active state is high level
*/
tmp |= ((1 << 6) | (pwm_info->active_state << 5) |
pre_scal[pre_scal_id][1]);
pwm_write_reg(0x200, tmp);
} else {
pwm_write_reg(0x208, ((entire_cycle - 1) << 16) | active_cycle);
tmp = pwm_read_reg(0x200) & 0xff807fff;
/*
* bit21: gating the special clock for pwm1
* bit20: pwm1: active state is high level
*/
tmp |= ((1 << 21) | (pwm_info->active_state << 20) |
(pre_scal[pre_scal_id][1] << 15));
pwm_write_reg(0x200, tmp);
}
pwm_enable(channel, pwm_info->enable);
return 0;
}
#endif /* CONFIG_ARCH_SUN4I */
EXPORT_SYMBOL(pwm_set_para);
__s32 pwm_get_para(__u32 channel, __pwm_info_t *pwm_info)
{
pwm_info->enable = gdisp.pwm[channel].enable;
pwm_info->active_state = gdisp.pwm[channel].active_state;
pwm_info->duty_ns = gdisp.pwm[channel].duty_ns;
pwm_info->period_ns = gdisp.pwm[channel].period_ns;
return 0;
}
EXPORT_SYMBOL(pwm_get_para);
static __s32
pwm_set_duty_ns(__u32 channel, __u32 duty_ns)
{
__u32 active_cycle = 0;
__u32 tmp;
active_cycle = (duty_ns * gdisp.pwm[channel].entire_cycle +
(gdisp.pwm[channel].period_ns / 2)) /
gdisp.pwm[channel].period_ns;
if (channel == 0) {
tmp = pwm_read_reg(0x204);
pwm_write_reg(0x204, (tmp & 0xffff0000) | active_cycle);
} else {
tmp = pwm_read_reg(0x208);
pwm_write_reg(0x208, (tmp & 0xffff0000) | active_cycle);
}
gdisp.pwm[channel].duty_ns = duty_ns;
/* DE_INF("%d,%d,%d,%d\n", duty_ns, gdisp.pwm[channel].period_ns, "
"active_cycle, gdisp.pwm[channel].entire_cycle); */
return 0;
}
EXPORT_SYMBOL(pwm_set_duty_ns);
__s32 LCD_PWM_EN(__u32 sel, __bool b_en)
{
if (gdisp.screen[sel].lcd_cfg.lcd_pwm_used) {
user_gpio_set_t gpio_info[1];
__hdle hdl;
memcpy(gpio_info, &(gdisp.screen[sel].lcd_cfg.lcd_pwm),
sizeof(user_gpio_set_t));
if (!sunxi_is_version_A() &&
(gpanel_info[sel].lcd_pwm_not_used == 0)) {
if (b_en)
pwm_enable(gpanel_info[sel].lcd_pwm_ch, b_en);
else {