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path: root/drivers/usb/otg/ab8500-usb.c
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Diffstat (limited to 'drivers/usb/otg/ab8500-usb.c')
-rw-r--r--drivers/usb/otg/ab8500-usb.c97
1 files changed, 54 insertions, 43 deletions
diff --git a/drivers/usb/otg/ab8500-usb.c b/drivers/usb/otg/ab8500-usb.c
index 07ccea9ada40..a84af677dc59 100644
--- a/drivers/usb/otg/ab8500-usb.c
+++ b/drivers/usb/otg/ab8500-usb.c
@@ -30,7 +30,7 @@
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/mfd/abx500.h>
-#include <linux/mfd/ab8500.h>
+#include <linux/mfd/abx500/ab8500.h>
#define AB8500_MAIN_WD_CTRL_REG 0x01
#define AB8500_USB_LINE_STAT_REG 0x80
@@ -68,7 +68,7 @@ enum ab8500_usb_link_status {
};
struct ab8500_usb {
- struct otg_transceiver otg;
+ struct usb_phy phy;
struct device *dev;
int irq_num_id_rise;
int irq_num_id_fall;
@@ -82,9 +82,9 @@ struct ab8500_usb {
int rev;
};
-static inline struct ab8500_usb *xceiv_to_ab(struct otg_transceiver *x)
+static inline struct ab8500_usb *phy_to_ab(struct usb_phy *x)
{
- return container_of(x, struct ab8500_usb, otg);
+ return container_of(x, struct ab8500_usb, phy);
}
static void ab8500_usb_wd_workaround(struct ab8500_usb *ab)
@@ -153,7 +153,7 @@ static int ab8500_usb_link_status_update(struct ab8500_usb *ab)
u8 reg;
enum ab8500_usb_link_status lsts;
void *v = NULL;
- enum usb_xceiv_events event;
+ enum usb_phy_events event;
abx500_get_register_interruptible(ab->dev,
AB8500_USB,
@@ -169,8 +169,8 @@ static int ab8500_usb_link_status_update(struct ab8500_usb *ab)
/* TODO: Disable regulators. */
ab8500_usb_host_phy_dis(ab);
ab8500_usb_peri_phy_dis(ab);
- ab->otg.state = OTG_STATE_B_IDLE;
- ab->otg.default_a = false;
+ ab->phy.state = OTG_STATE_B_IDLE;
+ ab->phy.otg->default_a = false;
ab->vbus_draw = 0;
event = USB_EVENT_NONE;
break;
@@ -181,22 +181,22 @@ static int ab8500_usb_link_status_update(struct ab8500_usb *ab)
case USB_LINK_HOST_CHG_NM:
case USB_LINK_HOST_CHG_HS:
case USB_LINK_HOST_CHG_HS_CHIRP:
- if (ab->otg.gadget) {
+ if (ab->phy.otg->gadget) {
/* TODO: Enable regulators. */
ab8500_usb_peri_phy_en(ab);
- v = ab->otg.gadget;
+ v = ab->phy.otg->gadget;
}
event = USB_EVENT_VBUS;
break;
case USB_LINK_HM_IDGND:
- if (ab->otg.host) {
+ if (ab->phy.otg->host) {
/* TODO: Enable regulators. */
ab8500_usb_host_phy_en(ab);
- v = ab->otg.host;
+ v = ab->phy.otg->host;
}
- ab->otg.state = OTG_STATE_A_IDLE;
- ab->otg.default_a = true;
+ ab->phy.state = OTG_STATE_A_IDLE;
+ ab->phy.otg->default_a = true;
event = USB_EVENT_ID;
break;
@@ -212,7 +212,7 @@ static int ab8500_usb_link_status_update(struct ab8500_usb *ab)
break;
}
- atomic_notifier_call_chain(&ab->otg.notifier, event, v);
+ atomic_notifier_call_chain(&ab->phy.notifier, event, v);
return 0;
}
@@ -262,27 +262,27 @@ static void ab8500_usb_phy_disable_work(struct work_struct *work)
struct ab8500_usb *ab = container_of(work, struct ab8500_usb,
phy_dis_work);
- if (!ab->otg.host)
+ if (!ab->phy.otg->host)
ab8500_usb_host_phy_dis(ab);
- if (!ab->otg.gadget)
+ if (!ab->phy.otg->gadget)
ab8500_usb_peri_phy_dis(ab);
}
-static int ab8500_usb_set_power(struct otg_transceiver *otg, unsigned mA)
+static int ab8500_usb_set_power(struct usb_phy *phy, unsigned mA)
{
struct ab8500_usb *ab;
- if (!otg)
+ if (!phy)
return -ENODEV;
- ab = xceiv_to_ab(otg);
+ ab = phy_to_ab(phy);
ab->vbus_draw = mA;
if (mA)
- atomic_notifier_call_chain(&ab->otg.notifier,
- USB_EVENT_ENUMERATED, ab->otg.gadget);
+ atomic_notifier_call_chain(&ab->phy.notifier,
+ USB_EVENT_ENUMERATED, ab->phy.otg->gadget);
return 0;
}
@@ -290,21 +290,21 @@ static int ab8500_usb_set_power(struct otg_transceiver *otg, unsigned mA)
* ab->vbus_draw.
*/
-static int ab8500_usb_set_suspend(struct otg_transceiver *x, int suspend)
+static int ab8500_usb_set_suspend(struct usb_phy *x, int suspend)
{
/* TODO */
return 0;
}
-static int ab8500_usb_set_peripheral(struct otg_transceiver *otg,
- struct usb_gadget *gadget)
+static int ab8500_usb_set_peripheral(struct usb_otg *otg,
+ struct usb_gadget *gadget)
{
struct ab8500_usb *ab;
if (!otg)
return -ENODEV;
- ab = xceiv_to_ab(otg);
+ ab = phy_to_ab(otg->phy);
/* Some drivers call this function in atomic context.
* Do not update ab8500 registers directly till this
@@ -313,11 +313,11 @@ static int ab8500_usb_set_peripheral(struct otg_transceiver *otg,
if (!gadget) {
/* TODO: Disable regulators. */
- ab->otg.gadget = NULL;
+ otg->gadget = NULL;
schedule_work(&ab->phy_dis_work);
} else {
- ab->otg.gadget = gadget;
- ab->otg.state = OTG_STATE_B_IDLE;
+ otg->gadget = gadget;
+ otg->phy->state = OTG_STATE_B_IDLE;
/* Phy will not be enabled if cable is already
* plugged-in. Schedule to enable phy.
@@ -329,15 +329,14 @@ static int ab8500_usb_set_peripheral(struct otg_transceiver *otg,
return 0;
}
-static int ab8500_usb_set_host(struct otg_transceiver *otg,
- struct usb_bus *host)
+static int ab8500_usb_set_host(struct usb_otg *otg, struct usb_bus *host)
{
struct ab8500_usb *ab;
if (!otg)
return -ENODEV;
- ab = xceiv_to_ab(otg);
+ ab = phy_to_ab(otg->phy);
/* Some drivers call this function in atomic context.
* Do not update ab8500 registers directly till this
@@ -346,10 +345,10 @@ static int ab8500_usb_set_host(struct otg_transceiver *otg,
if (!host) {
/* TODO: Disable regulators. */
- ab->otg.host = NULL;
+ otg->host = NULL;
schedule_work(&ab->phy_dis_work);
} else {
- ab->otg.host = host;
+ otg->host = host;
/* Phy will not be enabled if cable is already
* plugged-in. Schedule to enable phy.
* Use same delay to avoid any race condition.
@@ -472,6 +471,7 @@ static int ab8500_usb_v2_res_setup(struct platform_device *pdev,
static int __devinit ab8500_usb_probe(struct platform_device *pdev)
{
struct ab8500_usb *ab;
+ struct usb_otg *otg;
int err;
int rev;
@@ -488,19 +488,28 @@ static int __devinit ab8500_usb_probe(struct platform_device *pdev)
if (!ab)
return -ENOMEM;
+ otg = kzalloc(sizeof *otg, GFP_KERNEL);
+ if (!otg) {
+ kfree(ab);
+ return -ENOMEM;
+ }
+
ab->dev = &pdev->dev;
ab->rev = rev;
- ab->otg.dev = ab->dev;
- ab->otg.label = "ab8500";
- ab->otg.state = OTG_STATE_UNDEFINED;
- ab->otg.set_host = ab8500_usb_set_host;
- ab->otg.set_peripheral = ab8500_usb_set_peripheral;
- ab->otg.set_suspend = ab8500_usb_set_suspend;
- ab->otg.set_power = ab8500_usb_set_power;
+ ab->phy.dev = ab->dev;
+ ab->phy.otg = otg;
+ ab->phy.label = "ab8500";
+ ab->phy.set_suspend = ab8500_usb_set_suspend;
+ ab->phy.set_power = ab8500_usb_set_power;
+ ab->phy.state = OTG_STATE_UNDEFINED;
+
+ otg->phy = &ab->phy;
+ otg->set_host = ab8500_usb_set_host;
+ otg->set_peripheral = ab8500_usb_set_peripheral;
platform_set_drvdata(pdev, ab);
- ATOMIC_INIT_NOTIFIER_HEAD(&ab->otg.notifier);
+ ATOMIC_INIT_NOTIFIER_HEAD(&ab->phy.notifier);
/* v1: Wait for link status to become stable.
* all: Updates form set_host and set_peripheral as they are atomic.
@@ -520,7 +529,7 @@ static int __devinit ab8500_usb_probe(struct platform_device *pdev)
if (err < 0)
goto fail0;
- err = otg_set_transceiver(&ab->otg);
+ err = usb_set_transceiver(&ab->phy);
if (err) {
dev_err(&pdev->dev, "Can't register transceiver\n");
goto fail1;
@@ -532,6 +541,7 @@ static int __devinit ab8500_usb_probe(struct platform_device *pdev)
fail1:
ab8500_usb_irq_free(ab);
fail0:
+ kfree(otg);
kfree(ab);
return err;
}
@@ -546,13 +556,14 @@ static int __devexit ab8500_usb_remove(struct platform_device *pdev)
cancel_work_sync(&ab->phy_dis_work);
- otg_set_transceiver(NULL);
+ usb_set_transceiver(NULL);
ab8500_usb_host_phy_dis(ab);
ab8500_usb_peri_phy_dis(ab);
platform_set_drvdata(pdev, NULL);
+ kfree(ab->phy.otg);
kfree(ab);
return 0;
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-26 04:28:27 +0300