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Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6
[firefly-linux-kernel-4.4.55.git] / drivers / regulator / wm831x-ldo.c
diff --git a/drivers/regulator/wm831x-ldo.c b/drivers/regulator/wm831x-ldo.c
index aa1f8b3fbe16c7a6e1683b537db9721e77c56b0d..5cb70ca1e98d1f1843347fe14d7291d7a041eceb 100644 (file)
--- a/drivers/regulator/wm831x-ldo.c
+++ b/drivers/regulator/wm831x-ldo.c
@@ -78,13 +78,10 @@ static int wm831x_gp_ldo_list_voltage(struct regulator_dev *rdev,
        return -EINVAL;
 }
 
-static int wm831x_gp_ldo_set_voltage_int(struct regulator_dev *rdev, int reg,
-                                        int min_uV, int max_uV,
-                                        unsigned *selector)
+static int wm831x_gp_ldo_map_voltage(struct regulator_dev *rdev,
+                                    int min_uV, int max_uV)
 {
-       struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
-       struct wm831x *wm831x = ldo->wm831x;
-       int vsel, ret;
+       int volt, vsel;
 
        if (min_uV < 900000)
                vsel = 0;
@@ -94,36 +91,25 @@ static int wm831x_gp_ldo_set_voltage_int(struct regulator_dev *rdev, int reg,
                vsel = ((min_uV - 1700000) / 100000)
                        + WM831X_GP_LDO_SELECTOR_LOW + 1;
 
-       ret = wm831x_gp_ldo_list_voltage(rdev, vsel);
-       if (ret < 0)
-               return ret;
-       if (ret < min_uV || ret > max_uV)
+       volt = wm831x_gp_ldo_list_voltage(rdev, vsel);
+       if (volt < min_uV || volt > max_uV)
                return -EINVAL;
 
-       *selector = vsel;
-
-       return wm831x_set_bits(wm831x, reg, WM831X_LDO1_ON_VSEL_MASK, vsel);
-}
-
-static int wm831x_gp_ldo_set_voltage(struct regulator_dev *rdev,
-                                    int min_uV, int max_uV,
-                                    unsigned *selector)
-{
-       struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
-       int reg = ldo->base + WM831X_LDO_ON_CONTROL;
-
-       return wm831x_gp_ldo_set_voltage_int(rdev, reg, min_uV, max_uV,
-                                            selector);
+       return vsel;
 }
 
 static int wm831x_gp_ldo_set_suspend_voltage(struct regulator_dev *rdev,
                                             int uV)
 {
        struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
-       int reg = ldo->base + WM831X_LDO_SLEEP_CONTROL;
-       unsigned int selector;
+       struct wm831x *wm831x = ldo->wm831x;
+       int sel, reg = ldo->base + WM831X_LDO_SLEEP_CONTROL;
 
-       return wm831x_gp_ldo_set_voltage_int(rdev, reg, uV, uV, &selector);
+       sel = wm831x_gp_ldo_map_voltage(rdev, uV, uV);
+       if (sel < 0)
+               return sel;
+
+       return wm831x_set_bits(wm831x, reg, WM831X_LDO1_ON_VSEL_MASK, sel);
 }
 
 static unsigned int wm831x_gp_ldo_get_mode(struct regulator_dev *rdev)
@@ -243,8 +229,9 @@ static unsigned int wm831x_gp_ldo_get_optimum_mode(struct regulator_dev *rdev,
 
 static struct regulator_ops wm831x_gp_ldo_ops = {
        .list_voltage = wm831x_gp_ldo_list_voltage,
+       .map_voltage = wm831x_gp_ldo_map_voltage,
        .get_voltage_sel = regulator_get_voltage_sel_regmap,
-       .set_voltage = wm831x_gp_ldo_set_voltage,
+       .set_voltage_sel = regulator_set_voltage_sel_regmap,
        .set_suspend_voltage = wm831x_gp_ldo_set_suspend_voltage,
        .get_mode = wm831x_gp_ldo_get_mode,
        .set_mode = wm831x_gp_ldo_set_mode,
@@ -321,7 +308,7 @@ static __devinit int wm831x_gp_ldo_probe(struct platform_device *pdev)
                goto err;
        }
 
-       irq = platform_get_irq_byname(pdev, "UV");
+       irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV"));
        ret = request_threaded_irq(irq, NULL, wm831x_ldo_uv_irq,
                                   IRQF_TRIGGER_RISING, ldo->name,
                                   ldo);
@@ -347,7 +334,8 @@ static __devexit int wm831x_gp_ldo_remove(struct platform_device *pdev)
 
        platform_set_drvdata(pdev, NULL);
 
-       free_irq(platform_get_irq_byname(pdev, "UV"), ldo);
+       free_irq(wm831x_irq(ldo->wm831x,
+                           platform_get_irq_byname(pdev, "UV")), ldo);
        regulator_unregister(ldo->regulator);
 
        return 0;
@@ -383,13 +371,10 @@ static int wm831x_aldo_list_voltage(struct regulator_dev *rdev,
        return -EINVAL;
 }
 
-static int wm831x_aldo_set_voltage_int(struct regulator_dev *rdev, int reg,
-                                      int min_uV, int max_uV,
-                                      unsigned *selector)
+static int wm831x_aldo_map_voltage(struct regulator_dev *rdev,
+                                  int min_uV, int max_uV)
 {
-       struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
-       struct wm831x *wm831x = ldo->wm831x;
-       int vsel, ret;
+       int volt, vsel;
 
        if (min_uV < 1000000)
                vsel = 0;
@@ -399,35 +384,26 @@ static int wm831x_aldo_set_voltage_int(struct regulator_dev *rdev, int reg,
                vsel = ((min_uV - 1700000) / 100000)
                        + WM831X_ALDO_SELECTOR_LOW + 1;
 
-       ret = wm831x_aldo_list_voltage(rdev, vsel);
-       if (ret < 0)
-               return ret;
-       if (ret < min_uV || ret > max_uV)
+       volt = wm831x_aldo_list_voltage(rdev, vsel);
+       if (volt < min_uV || volt > max_uV)
                return -EINVAL;
 
-       *selector = vsel;
-
-       return wm831x_set_bits(wm831x, reg, WM831X_LDO7_ON_VSEL_MASK, vsel);
-}
-
-static int wm831x_aldo_set_voltage(struct regulator_dev *rdev,
-                                  int min_uV, int max_uV, unsigned *selector)
-{
-       struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
-       int reg = ldo->base + WM831X_LDO_ON_CONTROL;
+       return vsel;
 
-       return wm831x_aldo_set_voltage_int(rdev, reg, min_uV, max_uV,
-                                          selector);
 }
 
 static int wm831x_aldo_set_suspend_voltage(struct regulator_dev *rdev,
                                             int uV)
 {
        struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
-       int reg = ldo->base + WM831X_LDO_SLEEP_CONTROL;
-       unsigned int selector;
+       struct wm831x *wm831x = ldo->wm831x;
+       int sel, reg = ldo->base + WM831X_LDO_SLEEP_CONTROL;
+
+       sel = wm831x_aldo_map_voltage(rdev, uV, uV);
+       if (sel < 0)
+               return sel;
 
-       return wm831x_aldo_set_voltage_int(rdev, reg, uV, uV, &selector);
+       return wm831x_set_bits(wm831x, reg, WM831X_LDO7_ON_VSEL_MASK, sel);
 }
 
 static unsigned int wm831x_aldo_get_mode(struct regulator_dev *rdev)
@@ -505,8 +481,9 @@ static int wm831x_aldo_get_status(struct regulator_dev *rdev)
 
 static struct regulator_ops wm831x_aldo_ops = {
        .list_voltage = wm831x_aldo_list_voltage,
+       .map_voltage = wm831x_aldo_map_voltage,
        .get_voltage_sel = regulator_get_voltage_sel_regmap,
-       .set_voltage = wm831x_aldo_set_voltage,
+       .set_voltage_sel = regulator_set_voltage_sel_regmap,
        .set_suspend_voltage = wm831x_aldo_set_suspend_voltage,
        .get_mode = wm831x_aldo_get_mode,
        .set_mode = wm831x_aldo_set_mode,
@@ -582,7 +559,7 @@ static __devinit int wm831x_aldo_probe(struct platform_device *pdev)
                goto err;
        }
 
-       irq = platform_get_irq_byname(pdev, "UV");
+       irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV"));
        ret = request_threaded_irq(irq, NULL, wm831x_ldo_uv_irq,
                                   IRQF_TRIGGER_RISING, ldo->name, ldo);
        if (ret != 0) {
@@ -605,7 +582,8 @@ static __devexit int wm831x_aldo_remove(struct platform_device *pdev)
 {
        struct wm831x_ldo *ldo = platform_get_drvdata(pdev);
 
-       free_irq(platform_get_irq_byname(pdev, "UV"), ldo);
+       free_irq(wm831x_irq(ldo->wm831x, platform_get_irq_byname(pdev, "UV")),
+                ldo);
        regulator_unregister(ldo->regulator);
 
        return 0;
@@ -626,47 +604,18 @@ static struct platform_driver wm831x_aldo_driver = {
 
 #define WM831X_ALIVE_LDO_MAX_SELECTOR 0xf
 
-static int wm831x_alive_ldo_set_voltage_int(struct regulator_dev *rdev,
-                                           int reg,
-                                           int min_uV, int max_uV,
-                                           unsigned *selector)
-{
-       struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
-       struct wm831x *wm831x = ldo->wm831x;
-       int vsel, ret;
-
-       vsel = (min_uV - 800000) / 50000;
-
-       ret = regulator_list_voltage_linear(rdev, vsel);
-       if (ret < 0)
-               return ret;
-       if (ret < min_uV || ret > max_uV)
-               return -EINVAL;
-
-       *selector = vsel;
-
-       return wm831x_set_bits(wm831x, reg, WM831X_LDO11_ON_VSEL_MASK, vsel);
-}
-
-static int wm831x_alive_ldo_set_voltage(struct regulator_dev *rdev,
-                                       int min_uV, int max_uV,
-                                       unsigned *selector)
-{
-       struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
-       int reg = ldo->base + WM831X_ALIVE_LDO_ON_CONTROL;
-
-       return wm831x_alive_ldo_set_voltage_int(rdev, reg, min_uV, max_uV,
-                                               selector);
-}
-
 static int wm831x_alive_ldo_set_suspend_voltage(struct regulator_dev *rdev,
                                             int uV)
 {
        struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
-       int reg = ldo->base + WM831X_ALIVE_LDO_SLEEP_CONTROL;
-       unsigned selector;
+       struct wm831x *wm831x = ldo->wm831x;
+       int sel, reg = ldo->base + WM831X_ALIVE_LDO_SLEEP_CONTROL;
+
+       sel = regulator_map_voltage_linear(rdev, uV, uV);
+       if (sel < 0)
+               return sel;
 
-       return wm831x_alive_ldo_set_voltage_int(rdev, reg, uV, uV, &selector);
+       return wm831x_set_bits(wm831x, reg, WM831X_LDO11_ON_VSEL_MASK, sel);
 }
 
 static int wm831x_alive_ldo_get_status(struct regulator_dev *rdev)
@@ -688,8 +637,9 @@ static int wm831x_alive_ldo_get_status(struct regulator_dev *rdev)
 
 static struct regulator_ops wm831x_alive_ldo_ops = {
        .list_voltage = regulator_list_voltage_linear,
+       .map_voltage = regulator_map_voltage_linear,
        .get_voltage_sel = regulator_get_voltage_sel_regmap,
-       .set_voltage = wm831x_alive_ldo_set_voltage,
+       .set_voltage_sel = regulator_set_voltage_sel_regmap,
        .set_suspend_voltage = wm831x_alive_ldo_set_suspend_voltage,
        .get_status = wm831x_alive_ldo_get_status,
 
@@ -751,6 +701,7 @@ static __devinit int wm831x_alive_ldo_probe(struct platform_device *pdev)
        ldo->desc.enable_mask = 1 << id;
        ldo->desc.min_uV = 800000;
        ldo->desc.uV_step = 50000;
+       ldo->desc.enable_time = 1000;
 
        config.dev = pdev->dev.parent;
        if (pdata)
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