.CHGControl4 = {
.bitfield = {
.AICR_CON = 1,
- .AICR = RT5025_AICR_1A,
- .ICC = RT5025_ICC_1A,
+ .AICR = RT5025_AICR_500MA,
+ .ICC = RT5025_ICC_0P5A,
},
},
.CHGControl5 = {
int intr_pin;
int irq;
int suspend;
- int init_once;
+ int acin_cnt;
+ int usbin_cnt;
};
static void rt5025_work_func(struct work_struct *work)
if (chg_event & (CHG_EVENT_CHSLPI_INAC | CHG_EVENT_CHSLPI_INUSB))
{
ii->chip->power_info->chg_term = 0;
+ if (chg_event & CHG_EVENT_CHSLPI_INAC)
+ ii->acin_cnt = 0;
+ if (chg_event & CHG_EVENT_CHSLPI_INUSB)
+ ii->usbin_cnt = 0;
+
}
if (chg_event & (CHG_EVENT_INAC_PLUGIN | CHG_EVENT_INUSB_PLUGIN))
{
- if (!ii->init_once)
+ RTINFO("acin_cnt %d, usbin_cnt %d\n", ii->acin_cnt, ii->usbin_cnt);
+ if (ii->acin_cnt == 0 && ii->usbin_cnt == 0)
{
+ #if 1
+ rt5025_charger_reset_and_reinit(ii->chip->power_info);
+ rt5025_reg_write(ii->i2c, RT5025_REG_IRQEN1, irq_enable[0]);
+ rt5025_reg_write(ii->i2c, RT5025_REG_IRQEN2, irq_enable[1]&(~RT5025_CHTERMI_MASK));
+ rt5025_reg_write(ii->i2c, RT5025_REG_IRQEN3, irq_enable[2]);
+ #else
rt5025_set_charging_buck(ii->i2c, 0);
mdelay(50);
rt5025_set_charging_buck(ii->i2c, 1);
mdelay(50);
rt5025_set_charging_buck(ii->i2c, 1);
mdelay(400);
+ #endif /* #if 1 */
}
+
+ if (chg_event & CHG_EVENT_INAC_PLUGIN)
+ ii->acin_cnt = 1;
+ if (chg_event & CHG_EVENT_INUSB_PLUGIN)
+ ii->usbin_cnt = 1;
+ RTINFO("acin_cnt %d, usbin_cnt %d\n", ii->acin_cnt, ii->usbin_cnt);
}
if (ii->chip->power_info->chg_term <= 3)
rt5025_gauge_irq_handler(ii->chip->battery_info, irq_stat[5] & RT5025_FLG_VOLT);
#endif /* CONFIG_POWER_RT5025 */
- if (ii->init_once)
- ii->init_once = 0;
-
#if 1
rt5025_reg_write(ii->i2c, RT5025_REG_IRQEN2, irq_enable[1]);
#else
if (pdata->cb)
ii->event_cb = pdata->cb;
wake_lock_init(&ii->irq_wake_lock, WAKE_LOCK_SUSPEND, "rt_irq_wake");
- ii->init_once = 1;
rt5025_irq_reg_init(ii, pdata->irq_data);
rt5025_interrupt_init(ii);
}
EXPORT_SYMBOL(rt5025_power_off);
+int rt5025_cable_exist(void)
+{
+ int ret = 0;
+ ret = rt5025_reg_read(g_shdn, 0x01);
+ if (ret < 0)
+ return 0;
+ else
+ {
+ if (ret&0x3)
+ return 1;
+ return 0;
+ }
+}
+EXPORT_SYMBOL(rt5025_cable_exist);
+
static int __devinit rt5025_misc_reg_init(struct i2c_client *client, struct rt5025_misc_data *md)
{
int ret = 0;
}
#endif
+static u16 get_crc16_value(u8* data, int size)
+{
+ u16 fcs = 0xffff;
+ int len = size;
+ int i = 0;
+ u16 temp = 0;
+
+ while (len > 0)
+ {
+ fcs = (u16)((fcs>>8)^crctab16[(fcs^data[i])&0xff]);
+ len--;
+ i++;
+ }
+ temp = (u16)~fcs;
+ return temp;
+}
+
+static int IsCrc16Good(u8* data, int size)
+{
+ u16 fcs = 0xffff;
+ int len = size;
+ int i = 0;
+
+ while (len>0)
+ {
+ fcs = (u16)((fcs>>8)^crctab16[((fcs^data[i])&0xff)]);
+ len--;
+ i++;
+ }
+ return (fcs == 0xf0b8);
+}
+
static int rt5025_battery_parameter_backup(struct rt5025_battery_info *bi)
{
- u8 data[4];
+ u16 crc_value = 0;
+ u8 data[12]= {0};
RTINFO("\n");
//backup fcc_aging, rm, cycle_count, acc_dchg_cap
//fcc_aging
data[0] = (bi->fcc_aging>>8)&0xff;
data[1] = (bi->fcc_aging)&0xff;
- rt5025_write_reg(bi->client, 0x21, data, 2);
- //rm
- data[0] = (bi->rm>>24)&0xff;
- data[1] = (bi->rm>>16)&0xff;
- data[2] = (bi->rm>>8)&0xff;
- data[3] = (bi->rm)&0xff;
- rt5025_write_reg(bi->client, 0x23, data, 4);
+ rt5025_write_reg(bi->client, 0x21, &data[0], 2);
//acc_dchg_cap
- data[0] = (bi->acc_dchg_cap>>24)&0xff;
- data[1] = (bi->acc_dchg_cap>>16)&0xff;
- data[2] = (bi->acc_dchg_cap>>8)&0xff;
- data[3] = (bi->acc_dchg_cap)&0xff;
- rt5025_write_reg(bi->client, 0x27, data, 4);
+ data[2] = (bi->acc_dchg_cap>>24)&0xff;
+ data[3] = (bi->acc_dchg_cap>>16)&0xff;
+ data[4] = (bi->acc_dchg_cap>>8)&0xff;
+ data[5] = (bi->acc_dchg_cap)&0xff;
+ rt5025_write_reg(bi->client, 0x23, &data[2], 4);
//cycle_count
- data[0] = (bi->cycle_cnt)&0xff;
- rt5025_write_reg(bi->client, 0x2B, data, 1);
+ data[6] = (bi->cycle_cnt)&0xff;
+ rt5025_write_reg(bi->client, 0x27, &data[6], 1);
//soc
- data[0] = (bi->soc)&0xff;
- rt5025_write_reg(bi->client, 0x2C, data, 1);
+ data[7] = (bi->soc)&0xff;
+ rt5025_write_reg(bi->client, 0x28, &data[7], 1);
//gauge_timer
- data[0] = (bi->pre_gauge_timer>>8)&0xff;
- data[1] = bi->pre_gauge_timer&0xff;
- rt5025_write_reg(bi->client, 0x2D, data, 2);
+ data[8] = (bi->pre_gauge_timer>>8)&0xff;
+ data[9] = bi->pre_gauge_timer&0xff;
+ rt5025_write_reg(bi->client, 0x29, &data[8], 2);
+ //CRC value
+ crc_value = get_crc16_value(data, 10);
+ data[10] = crc_value&0xff;
+ data[11] = (crc_value>>8)&0xff;
+ rt5025_write_reg(bi->client, 0x2b, &data[10], 2);
return 0;
}
//fcc_aging
rt5025_read_reg(bi->client, 0x21, data, 2);
bi->fcc = bi->fcc_aging = data[0]<<8 | data[1];
- //rm
- //rt5025_read_reg(bi->client, 0x23, data, 4);
- //bi->rm = data[0]<<24 | data[1]<<16 | data[2]<<8 | data[3];
//acc_dchg_cap
- rt5025_read_reg(bi->client, 0x27, data, 4);
+ rt5025_read_reg(bi->client, 0x23, data, 4);
bi->acc_dchg_cap = data[0]<<24 | data[1]<<16 | data[2]<<8 | data[3];
//cycle_count
- rt5025_read_reg(bi->client, 0x2B, data, 1);
+ rt5025_read_reg(bi->client, 0x27, data, 1);
bi->cycle_cnt = data[0];
//soc
- rt5025_read_reg(bi->client, 0x2C, data, 1);
+ rt5025_read_reg(bi->client, 0x28, data, 1);
bi->soc = bi->pre_soc = data[0];
//pre_gauge_timer
- rt5025_read_reg(bi->client, 0x2D, data, 2);
+ rt5025_read_reg(bi->client, 0x29, data, 2);
bi->pre_gauge_timer = bi->gauge_timer = (data[0]<<8) + data[1];
return 0;
// return value; 1-> initialized, 0-> no initial value
static int rt5025_battery_parameter_initcheck(struct rt5025_battery_info *bi)
{
- u8 data[2];
- u16 value;
+ u8 data[12] = {0};
int ret = 0;
- if (rt5025_read_reg(bi->client, 0x21, data, 2) < 0)
+ if (rt5025_read_reg(bi->client, 0x21, data, 12)<0)
{
pr_err("%s: check initial value error\n", __func__);
+ return 0;
}
else
{
- value = data[1]<<8 | data[0];
- if (value)
- ret = 1;
+ ret = IsCrc16Good(data, 12);
}
RTINFO("initial check = %d\n", ret);
}
EXPORT_SYMBOL(rt5025_ext_set_charging_buck);
+int rt5025_charger_reset_and_reinit(struct rt5025_power_info *pi)
+{
+ struct rt5025_platform_data *pdata = pi->dev->parent->platform_data;
+ int ret;
+
+ RTINFO("\n");
+
+ //do charger reset
+ ret = rt5025_reg_read(pi->i2c, RT5025_REG_CHGCTL4);
+ if (ret < 0)
+ return ret;
+ rt5025_reg_write(pi->i2c, RT5025_REG_CHGCTL4, ret|RT5025_CHGRST_MASK);
+ mdelay(200);
+
+ rt5025_reg_write(pi->i2c, RT5025_REG_CHGCTL2, pdata->power_data->CHGControl2.val);
+ rt5025_reg_write(pi->i2c, RT5025_REG_CHGCTL3, pdata->power_data->CHGControl3.val);
+ rt5025_reg_write(pi->i2c, RT5025_REG_CHGCTL4, pdata->power_data->CHGControl4.val);
+ rt5025_reg_write(pi->i2c, RT5025_REG_CHGCTL5, pdata->power_data->CHGControl5.val);
+ rt5025_reg_write(pi->i2c, RT5025_REG_CHGCTL6, pdata->power_data->CHGControl6.val);
+ //rt5025_reg_write(pi->i2c, RT5025_REG_CHGCTL7, pd->CHGControl7.val);
+ rt5025_assign_bits(pi->i2c, RT5025_REG_CHGCTL7, 0xEF, pdata->power_data->CHGControl7.val);
+ rt5025_reg_write(pi->i2c, 0xA9, 0x60 );
+ return 0;
+}
+EXPORT_SYMBOL(rt5025_charger_reset_and_reinit);
+
static int rt5025_set_charging_current(struct i2c_client *i2c, int cur_value)
{
int ret = 0;
//if (old_acval != new_acval || old_usbval != new_usbval)
if (new_acval || new_usbval)
+ {
+ info->usb_cnt = 0;
schedule_delayed_work(&info->usb_detect_work, 0); //no delay
+ }
new_chgval = (chgstatval&RT5025_CHGSTAT_MASK)>>RT5025_CHGSTAT_SHIFT;
#include <linux/mfd/rt5025.h>
#include <linux/power/rt5025-swjeita.h>
-#define TEMP_TOLERANCE 0 // 'c*10 gap for tolerance
+#define TEMP_TOLERANCE 30 // 'c*10 gap for tolerance
static int rt5025_set_charging_cc_switch (struct i2c_client *i2c, int onoff)
{
#include <linux/android_alarm.h>
#define RT5025_DEVICE_NAME "RT5025"
-#define RT5025_DRV_VER "1.0.6_R"
+#define RT5025_DRV_VER "1.0.8_R"
enum {
RT5025_RSTDELAY1_100MS,
#ifdef CONFIG_MFD_RT5025_MISC
extern void rt5025_power_off(void);
+extern int rt5025_cable_exist(void);
#endif /* CONFIG_MFD_RT5025_MISC */
#ifdef CONFIG_POWER_RT5025
+extern int rt5025_charger_reset_and_reinit(struct rt5025_power_info *);
extern int rt5025_ext_set_charging_buck(int);
extern int rt5025_set_charging_buck(struct i2c_client *, int);
extern int rt5025_set_charging_current_switch(struct i2c_client *, int);
//#define SLEEP_CURRENT 3 //mA
+u16 crctab16[256] =
+{
+ 0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf,
+ 0x8c48, 0x9dc1, 0xaf5a, 0xbed3, 0xca6c, 0xdbe5, 0xe97e, 0xf8f7,
+ 0x1081, 0x0108, 0x3393, 0x221a, 0x56a5, 0x472c, 0x75b7, 0x643e,
+ 0x9cc9, 0x8d40, 0xbfdb, 0xae52, 0xdaed, 0xcb64, 0xf9ff, 0xe876,
+ 0x2102, 0x308b, 0x0210, 0x1399, 0x6726, 0x76af, 0x4434, 0x55bd,
+ 0xad4a, 0xbcc3, 0x8e58, 0x9fd1, 0xeb6e, 0xfae7, 0xc87c, 0xd9f5,
+ 0x3183, 0x200a, 0x1291, 0x0318, 0x77a7, 0x662e, 0x54b5, 0x453c,
+ 0xbdcb, 0xac42, 0x9ed9, 0x8f50, 0xfbef, 0xea66, 0xd8fd, 0xc974,
+ 0x4204, 0x538d, 0x6116, 0x709f, 0x0420, 0x15a9, 0x2732, 0x36bb,
+ 0xce4c, 0xdfc5, 0xed5e, 0xfcd7, 0x8868, 0x99e1, 0xab7a, 0xbaf3,
+ 0x5285, 0x430c, 0x7197, 0x601e, 0x14a1, 0x0528, 0x37b3, 0x263a,
+ 0xdecd, 0xcf44, 0xfddf, 0xec56, 0x98e9, 0x8960, 0xbbfb, 0xaa72,
+ 0x6306, 0x728f, 0x4014, 0x519d, 0x2522, 0x34ab, 0x0630, 0x17b9,
+ 0xef4e, 0xfec7, 0xcc5c, 0xddd5, 0xa96a, 0xb8e3, 0x8a78, 0x9bf1,
+ 0x7387, 0x620e, 0x5095, 0x411c, 0x35a3, 0x242a, 0x16b1, 0x0738,
+ 0xffcf, 0xee46, 0xdcdd, 0xcd54, 0xb9eb, 0xa862, 0x9af9, 0x8b70,
+ 0x8408, 0x9581, 0xa71a, 0xb693, 0xc22c, 0xd3a5, 0xe13e, 0xf0b7,
+ 0x0840, 0x19c9, 0x2b52, 0x3adb, 0x4e64, 0x5fed, 0x6d76, 0x7cff,
+ 0x9489, 0x8500, 0xb79b, 0xa612, 0xd2ad, 0xc324, 0xf1bf, 0xe036,
+ 0x18c1, 0x0948, 0x3bd3, 0x2a5a, 0x5ee5, 0x4f6c, 0x7df7, 0x6c7e,
+ 0xa50a, 0xb483, 0x8618, 0x9791, 0xe32e, 0xf2a7, 0xc03c, 0xd1b5,
+ 0x2942, 0x38cb, 0x0a50, 0x1bd9, 0x6f66, 0x7eef, 0x4c74, 0x5dfd,
+ 0xb58b, 0xa402, 0x9699, 0x8710, 0xf3af, 0xe226, 0xd0bd, 0xc134,
+ 0x39c3, 0x284a, 0x1ad1, 0x0b58, 0x7fe7, 0x6e6e, 0x5cf5, 0x4d7c,
+ 0xc60c, 0xd785, 0xe51e, 0xf497, 0x8028, 0x91a1, 0xa33a, 0xb2b3,
+ 0x4a44, 0x5bcd, 0x6956, 0x78df, 0x0c60, 0x1de9, 0x2f72, 0x3efb,
+ 0xd68d, 0xc704, 0xf59f, 0xe416, 0x90a9, 0x8120, 0xb3bb, 0xa232,
+ 0x5ac5, 0x4b4c, 0x79d7, 0x685e, 0x1ce1, 0x0d68, 0x3ff3, 0x2e7a,
+ 0xe70e, 0xf687, 0xc41c, 0xd595, 0xa12a, 0xb0a3, 0x8238, 0x93b1,
+ 0x6b46, 0x7acf, 0x4854, 0x59dd, 0x2d62, 0x3ceb, 0x0e70, 0x1ff9,
+ 0xf78f, 0xe606, 0xd49d, 0xc514, 0xb1ab, 0xa022, 0x92b9, 0x8330,
+ 0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3, 0x2c6a, 0x1ef1, 0x0f78,
+};
+
typedef enum{
CHG,
DCHG