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/*
* Copyright (C) 2012 Spreadtrum Communications Inc.
*
* 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/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#ifndef CONFIG_64BIT
#include <soc/sprd/hardware.h>
#include <soc/sprd/board.h>
#endif
#include <soc/sprd/adi.h>
#include "../common/parse_hwinfo.h"
#define SPRD_PWM0_CTRL_OFST 0xEC
#define SPRD_PWM0_PATTERN_HIGHT_OFST 0x10
#define SPRD_PWM0_PATTERT_LOW_OFST 0xC
#define SPRD_PWM0_TONE_OFST 0x8
#define SPRD_PWM0_RATION_OFST 0x4
#define SPRD_WHTLED_CTRL_OFST 0xF0
extern int sci_efuse_ib_trim_get(unsigned int *p_cal_data);
unsigned int ib_trim_cal_data = 0;
static int init_flag = 1;
int sprd_flash_on(void)
{
if (init_flag && sci_efuse_ib_trim_get(&ib_trim_cal_data)) {
/*
1. set ib_trim_cal_data to WHTLED_CTRL的IB_TRIM（0x400388F0 [15:9]）
2. set IB_TRIM_EM_SEL of RGB_CTRL to 0（0x400388EC [11]）
*/
sci_adi_clr(ANA_CTL_GLB_BASE + SPRD_WHTLED_CTRL_OFST, 0x7F << 9);
sci_adi_set(ANA_CTL_GLB_BASE + SPRD_WHTLED_CTRL_OFST, (ib_trim_cal_data & 0x7F) << 9);
sci_adi_clr(ANA_CTL_GLB_BASE + SPRD_PWM0_CTRL_OFST, (0x1 << 11));
init_flag = 0;
printk("parallel sprd_flash_on trim = %d\n", ib_trim_cal_data);
}
printk("parallel sprd_flash_on \n");
/*ENABLE THE PWM0 CONTROLLTER: RTC_PWM0_EN=1 & PWM0_EN=1*/
sci_adi_clr(ANA_CTL_GLB_BASE + SPRD_PWM0_CTRL_OFST, 0xFFFF);
sci_adi_set(ANA_CTL_GLB_BASE + SPRD_PWM0_CTRL_OFST, 0xC805);
/*SET PWM0 PATTERN HIGH*/
sci_adi_set(ANA_PWM_BASE + SPRD_PWM0_PATTERN_HIGHT_OFST, 0xFFFF);
/*SET PWM0 PATTERN LOW*/
sci_adi_set(ANA_PWM_BASE + SPRD_PWM0_PATTERT_LOW_OFST, 0xFFFF);
/*TONE DIV USE DEFAULT VALUE*/
sci_adi_clr(ANA_PWM_BASE + SPRD_PWM0_TONE_OFST, 0x0100);
/*SET PWM0 DUTY RATIO = 100%: MOD=FF & DUTY=FF*/
sci_adi_set(ANA_PWM_BASE + SPRD_PWM0_RATION_OFST, 0x0100);
/*ENABLE PWM0 OUTPUT: PWM0_EN=1*/
sci_adi_set(ANA_PWM_BASE, 0x100);
/*SET LOW LIGHT */
sci_adi_clr(ANA_CTL_GLB_BASE + SPRD_WHTLED_CTRL_OFST, 0xFFFF);
sci_adi_set(ANA_CTL_GLB_BASE + SPRD_WHTLED_CTRL_OFST, 0x1e);
/*ENABLE WHTLED*/
sci_adi_clr(ANA_CTL_GLB_BASE + SPRD_WHTLED_CTRL_OFST, 0x1);
return 0;
}
int sprd_flash_high_light(void)
{
printk("parallel sprd_flash_high_light \n");
/*SET HIGH LIGHT*/
sci_adi_clr(ANA_CTL_GLB_BASE + SPRD_WHTLED_CTRL_OFST, 0xFFFF);
sci_adi_set(ANA_CTL_GLB_BASE + SPRD_WHTLED_CTRL_OFST, 0x40);
/*ENABLE WHTLED*/
sci_adi_clr(ANA_CTL_GLB_BASE + SPRD_WHTLED_CTRL_OFST, 0x1);
return 0;
}
int sprd_flash_close(void)
{
printk("parallel sprd_flash_close \n");
/*DISABLE WHTLED*/
sci_adi_clr(ANA_CTL_GLB_BASE + SPRD_WHTLED_CTRL_OFST, 0xFFFF);
sci_adi_set(ANA_CTL_GLB_BASE + SPRD_WHTLED_CTRL_OFST, 0x1);
/*DISABLE THE PWM0 CONTROLLTER: RTC_PWM0_EN=0 & PWM0_EN=0*/
sci_adi_clr(ANA_CTL_GLB_BASE + SPRD_PWM0_CTRL_OFST, 0xC000);
/*ENABLE PWM0 OUTPUT: PWM0_EN=0*/
sci_adi_clr(ANA_PWM_BASE, 0x100);
return 0;
}
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