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rk3066B: support the adc_battery for 3066B

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许盛飞
2012-09-26 15:50:50 +08:00
parent 7435f4930f
commit 25209cf23c
1 changed files with 12 additions and 3 deletions
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15
drivers/power/rk30_adc_battery.c
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@@ -71,8 +71,14 @@ module_param_named(dbg_level, rk30_battery_dbg_level, int, 0644);
#define NUM_CHARGE_FULL_DELAY_TIMES ((CHARGE_FULL_DELAY_TIMES * 1000) / TIMER_MS_COUNTS) //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬<D7B4><CCAC><EFBFBD><EFBFBD>ʱ<EFBFBD>䳤<EFBFBD><E4B3A4>
#define NUM_USBCHARGE_IDENTIFY_TIMES ((USBCHARGE_IDENTIFY_TIMES * 1000) / TIMER_MS_COUNTS) //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬<D7B4><CCAC><EFBFBD><EFBFBD>ʱ<EFBFBD>䳤<EFBFBD><E4B3A4>
#define BAT_2V5_VALUE 2500
#if defined(CONFIG_ARCH_RK3066B)
#define BAT_DEFINE_VALUE 1800
#else
#define BAT_DEFINE_VALUE 2500
#endif
#define BATT_FILENAME "/data/bat_last_capacity.dat"
@@ -92,8 +98,11 @@ struct batt_vol_cal{
#define BATT_NOMAL_VOL_VALUE 3800
//divider resistance
#define BAT_PULL_UP_R 200
#if defined(CONFIG_ARCH_RK3066B)
#define BAT_PULL_DOWN_R 100
#else
#define BAT_PULL_DOWN_R 200
#endif
static struct batt_vol_cal batt_table[] = {
{0,3400,3520},{1,3420,3525},{2,3420,3575},{3,3475,3600},{5,3505,3620},{7,3525,3644},
{9,3540,3662},{11,3557,3670},{13,3570,3684},{15,3580,3700},{17,3610,3715},
@@ -134,7 +143,7 @@ static struct batt_vol_cal batt_table[] = {
#define BATT_NUM ARRAY_SIZE(batt_table)
#define adc_to_voltage(adc_val) ((adc_val * BAT_2V5_VALUE * (BAT_PULL_UP_R + BAT_PULL_DOWN_R)) / (1024 * BAT_PULL_DOWN_R))
#define adc_to_voltage(adc_val) ((adc_val * BAT_DEFINE_VALUE * (BAT_PULL_UP_R + BAT_PULL_DOWN_R)) / (1024 * BAT_PULL_DOWN_R))
/********************************************************************************/