]> Pileus Git - ~andy/linux/blobdiff - drivers/power/isp1704_charger.c
Merge tag 'for-v3.4-rc1' of git://git.infradead.org/battery-2.6
[~andy/linux] / drivers / power / isp1704_charger.c
index cce6211b80530287d8e28d48e9a59550fc844630..39eb50f35f09fd777445a53202fb30823d9f9438 100644 (file)
@@ -56,7 +56,7 @@ static u16 isp170x_id[] = {
 struct isp1704_charger {
        struct device           *dev;
        struct power_supply     psy;
-       struct otg_transceiver  *otg;
+       struct usb_phy          *phy;
        struct notifier_block   nb;
        struct work_struct      work;
 
@@ -71,6 +71,16 @@ struct isp1704_charger {
        unsigned                max_power;
 };
 
+static inline int isp1704_read(struct isp1704_charger *isp, u32 reg)
+{
+       return usb_phy_io_read(isp->phy, reg);
+}
+
+static inline int isp1704_write(struct isp1704_charger *isp, u32 val, u32 reg)
+{
+       return usb_phy_io_write(isp->phy, val, reg);
+}
+
 /*
  * Disable/enable the power from the isp1704 if a function for it
  * has been provided with platform data.
@@ -97,31 +107,31 @@ static inline int isp1704_charger_type(struct isp1704_charger *isp)
        u8 otg_ctrl;
        int type = POWER_SUPPLY_TYPE_USB_DCP;
 
-       func_ctrl = otg_io_read(isp->otg, ULPI_FUNC_CTRL);
-       otg_ctrl = otg_io_read(isp->otg, ULPI_OTG_CTRL);
+       func_ctrl = isp1704_read(isp, ULPI_FUNC_CTRL);
+       otg_ctrl = isp1704_read(isp, ULPI_OTG_CTRL);
 
        /* disable pulldowns */
        reg = ULPI_OTG_CTRL_DM_PULLDOWN | ULPI_OTG_CTRL_DP_PULLDOWN;
-       otg_io_write(isp->otg, ULPI_CLR(ULPI_OTG_CTRL), reg);
+       isp1704_write(isp, ULPI_CLR(ULPI_OTG_CTRL), reg);
 
        /* full speed */
-       otg_io_write(isp->otg, ULPI_CLR(ULPI_FUNC_CTRL),
+       isp1704_write(isp, ULPI_CLR(ULPI_FUNC_CTRL),
                        ULPI_FUNC_CTRL_XCVRSEL_MASK);
-       otg_io_write(isp->otg, ULPI_SET(ULPI_FUNC_CTRL),
+       isp1704_write(isp, ULPI_SET(ULPI_FUNC_CTRL),
                        ULPI_FUNC_CTRL_FULL_SPEED);
 
        /* Enable strong pull-up on DP (1.5K) and reset */
        reg = ULPI_FUNC_CTRL_TERMSELECT | ULPI_FUNC_CTRL_RESET;
-       otg_io_write(isp->otg, ULPI_SET(ULPI_FUNC_CTRL), reg);
+       isp1704_write(isp, ULPI_SET(ULPI_FUNC_CTRL), reg);
        usleep_range(1000, 2000);
 
-       reg = otg_io_read(isp->otg, ULPI_DEBUG);
+       reg = isp1704_read(isp, ULPI_DEBUG);
        if ((reg & 3) != 3)
                type = POWER_SUPPLY_TYPE_USB_CDP;
 
        /* recover original state */
-       otg_io_write(isp->otg, ULPI_FUNC_CTRL, func_ctrl);
-       otg_io_write(isp->otg, ULPI_OTG_CTRL, otg_ctrl);
+       isp1704_write(isp, ULPI_FUNC_CTRL, func_ctrl);
+       isp1704_write(isp, ULPI_OTG_CTRL, otg_ctrl);
 
        return type;
 }
@@ -136,28 +146,28 @@ static inline int isp1704_charger_verify(struct isp1704_charger *isp)
        u8      r;
 
        /* Reset the transceiver */
-       r = otg_io_read(isp->otg, ULPI_FUNC_CTRL);
+       r = isp1704_read(isp, ULPI_FUNC_CTRL);
        r |= ULPI_FUNC_CTRL_RESET;
-       otg_io_write(isp->otg, ULPI_FUNC_CTRL, r);
+       isp1704_write(isp, ULPI_FUNC_CTRL, r);
        usleep_range(1000, 2000);
 
        /* Set normal mode */
        r &= ~(ULPI_FUNC_CTRL_RESET | ULPI_FUNC_CTRL_OPMODE_MASK);
-       otg_io_write(isp->otg, ULPI_FUNC_CTRL, r);
+       isp1704_write(isp, ULPI_FUNC_CTRL, r);
 
        /* Clear the DP and DM pull-down bits */
        r = ULPI_OTG_CTRL_DP_PULLDOWN | ULPI_OTG_CTRL_DM_PULLDOWN;
-       otg_io_write(isp->otg, ULPI_CLR(ULPI_OTG_CTRL), r);
+       isp1704_write(isp, ULPI_CLR(ULPI_OTG_CTRL), r);
 
        /* Enable strong pull-up on DP (1.5K) and reset */
        r = ULPI_FUNC_CTRL_TERMSELECT | ULPI_FUNC_CTRL_RESET;
-       otg_io_write(isp->otg, ULPI_SET(ULPI_FUNC_CTRL), r);
+       isp1704_write(isp, ULPI_SET(ULPI_FUNC_CTRL), r);
        usleep_range(1000, 2000);
 
        /* Read the line state */
-       if (!otg_io_read(isp->otg, ULPI_DEBUG)) {
+       if (!isp1704_read(isp, ULPI_DEBUG)) {
                /* Disable strong pull-up on DP (1.5K) */
-               otg_io_write(isp->otg, ULPI_CLR(ULPI_FUNC_CTRL),
+               isp1704_write(isp, ULPI_CLR(ULPI_FUNC_CTRL),
                                ULPI_FUNC_CTRL_TERMSELECT);
                return 1;
        }
@@ -165,23 +175,23 @@ static inline int isp1704_charger_verify(struct isp1704_charger *isp)
        /* Is it a charger or PS/2 connection */
 
        /* Enable weak pull-up resistor on DP */
-       otg_io_write(isp->otg, ULPI_SET(ISP1704_PWR_CTRL),
+       isp1704_write(isp, ULPI_SET(ISP1704_PWR_CTRL),
                        ISP1704_PWR_CTRL_DP_WKPU_EN);
 
        /* Disable strong pull-up on DP (1.5K) */
-       otg_io_write(isp->otg, ULPI_CLR(ULPI_FUNC_CTRL),
+       isp1704_write(isp, ULPI_CLR(ULPI_FUNC_CTRL),
                        ULPI_FUNC_CTRL_TERMSELECT);
 
        /* Enable weak pull-down resistor on DM */
-       otg_io_write(isp->otg, ULPI_SET(ULPI_OTG_CTRL),
+       isp1704_write(isp, ULPI_SET(ULPI_OTG_CTRL),
                        ULPI_OTG_CTRL_DM_PULLDOWN);
 
        /* It's a charger if the line states are clear */
-       if (!(otg_io_read(isp->otg, ULPI_DEBUG)))
+       if (!(isp1704_read(isp, ULPI_DEBUG)))
                ret = 1;
 
        /* Disable weak pull-up resistor on DP */
-       otg_io_write(isp->otg, ULPI_CLR(ISP1704_PWR_CTRL),
+       isp1704_write(isp, ULPI_CLR(ISP1704_PWR_CTRL),
                        ISP1704_PWR_CTRL_DP_WKPU_EN);
 
        return ret;
@@ -193,14 +203,14 @@ static inline int isp1704_charger_detect(struct isp1704_charger *isp)
        u8              pwr_ctrl;
        int             ret = 0;
 
-       pwr_ctrl = otg_io_read(isp->otg, ISP1704_PWR_CTRL);
+       pwr_ctrl = isp1704_read(isp, ISP1704_PWR_CTRL);
 
        /* set SW control bit in PWR_CTRL register */
-       otg_io_write(isp->otg, ISP1704_PWR_CTRL,
+       isp1704_write(isp, ISP1704_PWR_CTRL,
                        ISP1704_PWR_CTRL_SWCTRL);
 
        /* enable manual charger detection */
-       otg_io_write(isp->otg, ULPI_SET(ISP1704_PWR_CTRL),
+       isp1704_write(isp, ULPI_SET(ISP1704_PWR_CTRL),
                        ISP1704_PWR_CTRL_SWCTRL
                        | ISP1704_PWR_CTRL_DPVSRC_EN);
        usleep_range(1000, 2000);
@@ -208,7 +218,7 @@ static inline int isp1704_charger_detect(struct isp1704_charger *isp)
        timeout = jiffies + msecs_to_jiffies(300);
        do {
                /* Check if there is a charger */
-               if (otg_io_read(isp->otg, ISP1704_PWR_CTRL)
+               if (isp1704_read(isp, ISP1704_PWR_CTRL)
                                & ISP1704_PWR_CTRL_VDAT_DET) {
                        ret = isp1704_charger_verify(isp);
                        break;
@@ -216,7 +226,7 @@ static inline int isp1704_charger_detect(struct isp1704_charger *isp)
        } while (!time_after(jiffies, timeout) && isp->online);
 
        /* recover original state */
-       otg_io_write(isp->otg, ISP1704_PWR_CTRL, pwr_ctrl);
+       isp1704_write(isp, ISP1704_PWR_CTRL, pwr_ctrl);
 
        return ret;
 }
@@ -264,8 +274,8 @@ static void isp1704_charger_work(struct work_struct *data)
                case POWER_SUPPLY_TYPE_USB:
                default:
                        /* enable data pullups */
-                       if (isp->otg->gadget)
-                               usb_gadget_connect(isp->otg->gadget);
+                       if (isp->phy->otg->gadget)
+                               usb_gadget_connect(isp->phy->otg->gadget);
                }
                break;
        case USB_EVENT_NONE:
@@ -283,8 +293,8 @@ static void isp1704_charger_work(struct work_struct *data)
                 * chargers. The pullups may be enabled elsewhere, so this can
                 * not be the final solution.
                 */
-               if (isp->otg->gadget)
-                       usb_gadget_disconnect(isp->otg->gadget);
+               if (isp->phy->otg->gadget)
+                       usb_gadget_disconnect(isp->phy->otg->gadget);
 
                isp1704_charger_set_power(isp, 0);
                break;
@@ -364,11 +374,11 @@ static inline int isp1704_test_ulpi(struct isp1704_charger *isp)
        int ret = -ENODEV;
 
        /* Test ULPI interface */
-       ret = otg_io_write(isp->otg, ULPI_SCRATCH, 0xaa);
+       ret = isp1704_write(isp, ULPI_SCRATCH, 0xaa);
        if (ret < 0)
                return ret;
 
-       ret = otg_io_read(isp->otg, ULPI_SCRATCH);
+       ret = isp1704_read(isp, ULPI_SCRATCH);
        if (ret < 0)
                return ret;
 
@@ -376,13 +386,13 @@ static inline int isp1704_test_ulpi(struct isp1704_charger *isp)
                return -ENODEV;
 
        /* Verify the product and vendor id matches */
-       vendor = otg_io_read(isp->otg, ULPI_VENDOR_ID_LOW);
-       vendor |= otg_io_read(isp->otg, ULPI_VENDOR_ID_HIGH) << 8;
+       vendor = isp1704_read(isp, ULPI_VENDOR_ID_LOW);
+       vendor |= isp1704_read(isp, ULPI_VENDOR_ID_HIGH) << 8;
        if (vendor != NXP_VENDOR_ID)
                return -ENODEV;
 
-       product = otg_io_read(isp->otg, ULPI_PRODUCT_ID_LOW);
-       product |= otg_io_read(isp->otg, ULPI_PRODUCT_ID_HIGH) << 8;
+       product = isp1704_read(isp, ULPI_PRODUCT_ID_LOW);
+       product |= isp1704_read(isp, ULPI_PRODUCT_ID_HIGH) << 8;
 
        for (i = 0; i < ARRAY_SIZE(isp170x_id); i++) {
                if (product == isp170x_id[i]) {
@@ -405,8 +415,8 @@ static int __devinit isp1704_charger_probe(struct platform_device *pdev)
        if (!isp)
                return -ENOMEM;
 
-       isp->otg = otg_get_transceiver();
-       if (!isp->otg)
+       isp->phy = usb_get_transceiver();
+       if (!isp->phy)
                goto fail0;
 
        isp->dev = &pdev->dev;
@@ -429,14 +439,14 @@ static int __devinit isp1704_charger_probe(struct platform_device *pdev)
                goto fail1;
 
        /*
-        * REVISIT: using work in order to allow the otg notifications to be
+        * REVISIT: using work in order to allow the usb notifications to be
         * made atomically in the future.
         */
        INIT_WORK(&isp->work, isp1704_charger_work);
 
        isp->nb.notifier_call = isp1704_notifier_call;
 
-       ret = otg_register_notifier(isp->otg, &isp->nb);
+       ret = usb_register_notifier(isp->phy, &isp->nb);
        if (ret)
                goto fail2;
 
@@ -449,13 +459,13 @@ static int __devinit isp1704_charger_probe(struct platform_device *pdev)
         * enumerated. The charger driver should be always loaded before any
         * gadget is loaded.
         */
-       if (isp->otg->gadget)
-               usb_gadget_disconnect(isp->otg->gadget);
+       if (isp->phy->otg->gadget)
+               usb_gadget_disconnect(isp->phy->otg->gadget);
 
        /* Detect charger if VBUS is valid (the cable was already plugged). */
-       ret = otg_io_read(isp->otg, ULPI_USB_INT_STS);
+       ret = isp1704_read(isp, ULPI_USB_INT_STS);
        isp1704_charger_set_power(isp, 0);
-       if ((ret & ULPI_INT_VBUS_VALID) && !isp->otg->default_a) {
+       if ((ret & ULPI_INT_VBUS_VALID) && !isp->phy->otg->default_a) {
                isp->event = USB_EVENT_VBUS;
                schedule_work(&isp->work);
        }
@@ -464,7 +474,7 @@ static int __devinit isp1704_charger_probe(struct platform_device *pdev)
 fail2:
        power_supply_unregister(&isp->psy);
 fail1:
-       otg_put_transceiver(isp->otg);
+       usb_put_transceiver(isp->phy);
 fail0:
        kfree(isp);
 
@@ -478,9 +488,9 @@ static int __devexit isp1704_charger_remove(struct platform_device *pdev)
 {
        struct isp1704_charger *isp = platform_get_drvdata(pdev);
 
-       otg_unregister_notifier(isp->otg, &isp->nb);
+       usb_unregister_notifier(isp->phy, &isp->nb);
        power_supply_unregister(&isp->psy);
-       otg_put_transceiver(isp->otg);
+       usb_put_transceiver(isp->phy);
        isp1704_charger_set_power(isp, 0);
        kfree(isp);