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path: root/drivers/power/lp8727_charger.c
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Diffstat (limited to 'drivers/power/lp8727_charger.c')
-rw-r--r--drivers/power/lp8727_charger.c130
1 files changed, 64 insertions, 66 deletions
diff --git a/drivers/power/lp8727_charger.c b/drivers/power/lp8727_charger.c
index 32bf157f4815..65c9840a37e1 100644
--- a/drivers/power/lp8727_charger.c
+++ b/drivers/power/lp8727_charger.c
@@ -21,53 +21,51 @@
#define DEFAULT_DEBOUNCE_MSEC 270
/* Registers */
-#define CTRL1 0x1
-#define CTRL2 0x2
-#define SWCTRL 0x3
-#define INT1 0x4
-#define INT2 0x5
-#define STATUS1 0x6
-#define STATUS2 0x7
-#define CHGCTRL2 0x9
+#define LP8727_CTRL1 0x1
+#define LP8727_CTRL2 0x2
+#define LP8727_SWCTRL 0x3
+#define LP8727_INT1 0x4
+#define LP8727_INT2 0x5
+#define LP8727_STATUS1 0x6
+#define LP8727_STATUS2 0x7
+#define LP8727_CHGCTRL2 0x9
/* CTRL1 register */
-#define CP_EN (1 << 0)
-#define ADC_EN (1 << 1)
-#define ID200_EN (1 << 4)
+#define LP8727_CP_EN BIT(0)
+#define LP8727_ADC_EN BIT(1)
+#define LP8727_ID200_EN BIT(4)
/* CTRL2 register */
-#define CHGDET_EN (1 << 1)
-#define INT_EN (1 << 6)
+#define LP8727_CHGDET_EN BIT(1)
+#define LP8727_INT_EN BIT(6)
/* SWCTRL register */
-#define SW_DM1_DM (0x0 << 0)
-#define SW_DM1_U1 (0x1 << 0)
-#define SW_DM1_HiZ (0x7 << 0)
-#define SW_DP2_DP (0x0 << 3)
-#define SW_DP2_U2 (0x1 << 3)
-#define SW_DP2_HiZ (0x7 << 3)
+#define LP8727_SW_DM1_DM (0x0 << 0)
+#define LP8727_SW_DM1_HiZ (0x7 << 0)
+#define LP8727_SW_DP2_DP (0x0 << 3)
+#define LP8727_SW_DP2_HiZ (0x7 << 3)
/* INT1 register */
-#define IDNO (0xF << 0)
-#define VBUS (1 << 4)
+#define LP8727_IDNO (0xF << 0)
+#define LP8727_VBUS BIT(4)
/* STATUS1 register */
-#define CHGSTAT (3 << 4)
-#define CHPORT (1 << 6)
-#define DCPORT (1 << 7)
-#define LP8727_STAT_EOC 0x30
+#define LP8727_CHGSTAT (3 << 4)
+#define LP8727_CHPORT BIT(6)
+#define LP8727_DCPORT BIT(7)
+#define LP8727_STAT_EOC 0x30
/* STATUS2 register */
-#define TEMP_STAT (3 << 5)
-#define TEMP_SHIFT 5
+#define LP8727_TEMP_STAT (3 << 5)
+#define LP8727_TEMP_SHIFT 5
enum lp8727_dev_id {
- ID_NONE,
- ID_TA,
- ID_DEDICATED_CHG,
- ID_USB_CHG,
- ID_USB_DS,
- ID_MAX,
+ LP8727_ID_NONE,
+ LP8727_ID_TA,
+ LP8727_ID_DEDICATED_CHG,
+ LP8727_ID_USB_CHG,
+ LP8727_ID_USB_DS,
+ LP8727_ID_MAX,
};
enum lp8727_die_temp {
@@ -127,12 +125,12 @@ static int lp8727_is_charger_attached(const char *name, int id)
{
if (name) {
if (!strcmp(name, "ac"))
- return (id == ID_TA || id == ID_DEDICATED_CHG) ? 1 : 0;
+ return (id == LP8727_ID_TA || id == LP8727_ID_DEDICATED_CHG) ? 1 : 0;
else if (!strcmp(name, "usb"))
- return (id == ID_USB_CHG) ? 1 : 0;
+ return (id == LP8727_ID_USB_CHG) ? 1 : 0;
}
- return (id >= ID_TA && id <= ID_USB_CHG) ? 1 : 0;
+ return (id >= LP8727_ID_TA && id <= LP8727_ID_USB_CHG) ? 1 : 0;
}
static int lp8727_init_device(struct lp8727_chg *pchg)
@@ -142,18 +140,18 @@ static int lp8727_init_device(struct lp8727_chg *pchg)
u8 intstat[LP8788_NUM_INTREGS];
/* clear interrupts */
- ret = lp8727_read_bytes(pchg, INT1, intstat, LP8788_NUM_INTREGS);
+ ret = lp8727_read_bytes(pchg, LP8727_INT1, intstat, LP8788_NUM_INTREGS);
if (ret)
return ret;
- val = ID200_EN | ADC_EN | CP_EN;
- ret = lp8727_write_byte(pchg, CTRL1, val);
+ val = LP8727_ID200_EN | LP8727_ADC_EN | LP8727_CP_EN;
+ ret = lp8727_write_byte(pchg, LP8727_CTRL1, val);
if (ret)
return ret;
- val = INT_EN | CHGDET_EN;
- ret = lp8727_write_byte(pchg, CTRL2, val);
+ val = LP8727_INT_EN | LP8727_CHGDET_EN;
+ ret = lp8727_write_byte(pchg, LP8727_CTRL2, val);
if (ret)
return ret;
@@ -163,48 +161,48 @@ static int lp8727_init_device(struct lp8727_chg *pchg)
static int lp8727_is_dedicated_charger(struct lp8727_chg *pchg)
{
u8 val;
- lp8727_read_byte(pchg, STATUS1, &val);
- return val & DCPORT;
+ lp8727_read_byte(pchg, LP8727_STATUS1, &val);
+ return val & LP8727_DCPORT;
}
static int lp8727_is_usb_charger(struct lp8727_chg *pchg)
{
u8 val;
- lp8727_read_byte(pchg, STATUS1, &val);
- return val & CHPORT;
+ lp8727_read_byte(pchg, LP8727_STATUS1, &val);
+ return val & LP8727_CHPORT;
}
static void lp8727_ctrl_switch(struct lp8727_chg *pchg, u8 sw)
{
- lp8727_write_byte(pchg, SWCTRL, sw);
+ lp8727_write_byte(pchg, LP8727_SWCTRL, sw);
}
static void lp8727_id_detection(struct lp8727_chg *pchg, u8 id, int vbusin)
{
struct lp8727_platform_data *pdata = pchg->pdata;
- u8 devid = ID_NONE;
- u8 swctrl = SW_DM1_HiZ | SW_DP2_HiZ;
+ u8 devid = LP8727_ID_NONE;
+ u8 swctrl = LP8727_SW_DM1_HiZ | LP8727_SW_DP2_HiZ;
switch (id) {
case 0x5:
- devid = ID_TA;
+ devid = LP8727_ID_TA;
pchg->chg_parm = pdata ? pdata->ac : NULL;
break;
case 0xB:
if (lp8727_is_dedicated_charger(pchg)) {
pchg->chg_parm = pdata ? pdata->ac : NULL;
- devid = ID_DEDICATED_CHG;
+ devid = LP8727_ID_DEDICATED_CHG;
} else if (lp8727_is_usb_charger(pchg)) {
pchg->chg_parm = pdata ? pdata->usb : NULL;
- devid = ID_USB_CHG;
- swctrl = SW_DM1_DM | SW_DP2_DP;
+ devid = LP8727_ID_USB_CHG;
+ swctrl = LP8727_SW_DM1_DM | LP8727_SW_DP2_DP;
} else if (vbusin) {
- devid = ID_USB_DS;
- swctrl = SW_DM1_DM | SW_DP2_DP;
+ devid = LP8727_ID_USB_DS;
+ swctrl = LP8727_SW_DM1_DM | LP8727_SW_DP2_DP;
}
break;
default:
- devid = ID_NONE;
+ devid = LP8727_ID_NONE;
pchg->chg_parm = NULL;
break;
}
@@ -217,9 +215,9 @@ static void lp8727_enable_chgdet(struct lp8727_chg *pchg)
{
u8 val;
- lp8727_read_byte(pchg, CTRL2, &val);
- val |= CHGDET_EN;
- lp8727_write_byte(pchg, CTRL2, val);
+ lp8727_read_byte(pchg, LP8727_CTRL2, &val);
+ val |= LP8727_CHGDET_EN;
+ lp8727_write_byte(pchg, LP8727_CTRL2, val);
}
static void lp8727_delayed_func(struct work_struct *_work)
@@ -228,13 +226,13 @@ static void lp8727_delayed_func(struct work_struct *_work)
struct lp8727_chg *pchg =
container_of(_work, struct lp8727_chg, work.work);
- if (lp8727_read_bytes(pchg, INT1, intstat, 2)) {
+ if (lp8727_read_bytes(pchg, LP8727_INT1, intstat, 2)) {
dev_err(pchg->dev, "can not read INT registers\n");
return;
}
- idno = intstat[0] & IDNO;
- vbus = intstat[0] & VBUS;
+ idno = intstat[0] & LP8727_IDNO;
+ vbus = intstat[0] & LP8727_VBUS;
lp8727_id_detection(pchg, idno, vbus);
lp8727_enable_chgdet(pchg);
@@ -341,9 +339,9 @@ static int lp8727_battery_get_property(struct power_supply *psy,
switch (psp) {
case POWER_SUPPLY_PROP_STATUS:
if (lp8727_is_charger_attached(psy->name, pchg->devid)) {
- lp8727_read_byte(pchg, STATUS1, &read);
+ lp8727_read_byte(pchg, LP8727_STATUS1, &read);
- val->intval = (read & CHGSTAT) == LP8727_STAT_EOC ?
+ val->intval = (read & LP8727_CHGSTAT) == LP8727_STAT_EOC ?
POWER_SUPPLY_STATUS_FULL :
POWER_SUPPLY_STATUS_CHARGING;
} else {
@@ -351,8 +349,8 @@ static int lp8727_battery_get_property(struct power_supply *psy,
}
break;
case POWER_SUPPLY_PROP_HEALTH:
- lp8727_read_byte(pchg, STATUS2, &read);
- temp = (read & TEMP_STAT) >> TEMP_SHIFT;
+ lp8727_read_byte(pchg, LP8727_STATUS2, &read);
+ temp = (read & LP8727_TEMP_STAT) >> LP8727_TEMP_SHIFT;
val->intval = lp8727_is_high_temperature(temp) ?
POWER_SUPPLY_HEALTH_OVERHEAT :
@@ -404,7 +402,7 @@ static void lp8727_charger_changed(struct power_supply *psy)
eoc_level = pchg->chg_parm->eoc_level;
ichg = pchg->chg_parm->ichg;
val = (ichg << 4) | eoc_level;
- lp8727_write_byte(pchg, CHGCTRL2, val);
+ lp8727_write_byte(pchg, LP8727_CHGCTRL2, val);
}
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-23 04:25:27 +0000