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path: root/drivers/usb/otg/fsl_otg.c
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Diffstat (limited to 'drivers/usb/otg/fsl_otg.c')
-rw-r--r--drivers/usb/otg/fsl_otg.c113
1 files changed, 62 insertions, 51 deletions
diff --git a/drivers/usb/otg/fsl_otg.c b/drivers/usb/otg/fsl_otg.c
index a190850d2d3b..be4a63e8302f 100644
--- a/drivers/usb/otg/fsl_otg.c
+++ b/drivers/usb/otg/fsl_otg.c
@@ -275,7 +275,7 @@ void b_srp_end(unsigned long foo)
fsl_otg_dischrg_vbus(0);
srp_wait_done = 1;
- if ((fsl_otg_dev->otg.state == OTG_STATE_B_SRP_INIT) &&
+ if ((fsl_otg_dev->phy.state == OTG_STATE_B_SRP_INIT) &&
fsl_otg_dev->fsm.b_sess_vld)
fsl_otg_dev->fsm.b_srp_done = 1;
}
@@ -288,7 +288,7 @@ void b_srp_end(unsigned long foo)
void a_wait_enum(unsigned long foo)
{
VDBG("a_wait_enum timeout\n");
- if (!fsl_otg_dev->otg.host->b_hnp_enable)
+ if (!fsl_otg_dev->phy.otg->host->b_hnp_enable)
fsl_otg_add_timer(a_wait_enum_tmr);
else
otg_statemachine(&fsl_otg_dev->fsm);
@@ -452,14 +452,14 @@ void otg_reset_controller(void)
/* Call suspend/resume routines in host driver */
int fsl_otg_start_host(struct otg_fsm *fsm, int on)
{
- struct otg_transceiver *xceiv = fsm->transceiver;
+ struct usb_otg *otg = fsm->otg;
struct device *dev;
- struct fsl_otg *otg_dev = container_of(xceiv, struct fsl_otg, otg);
+ struct fsl_otg *otg_dev = container_of(otg->phy, struct fsl_otg, phy);
u32 retval = 0;
- if (!xceiv->host)
+ if (!otg->host)
return -ENODEV;
- dev = xceiv->host->controller;
+ dev = otg->host->controller;
/*
* Update a_vbus_vld state as a_vbus_vld int is disabled
@@ -518,14 +518,14 @@ end:
*/
int fsl_otg_start_gadget(struct otg_fsm *fsm, int on)
{
- struct otg_transceiver *xceiv = fsm->transceiver;
+ struct usb_otg *otg = fsm->otg;
struct device *dev;
- if (!xceiv->gadget || !xceiv->gadget->dev.parent)
+ if (!otg->gadget || !otg->gadget->dev.parent)
return -ENODEV;
VDBG("gadget %s\n", on ? "on" : "off");
- dev = xceiv->gadget->dev.parent;
+ dev = otg->gadget->dev.parent;
if (on) {
if (dev->driver->resume)
@@ -542,14 +542,14 @@ int fsl_otg_start_gadget(struct otg_fsm *fsm, int on)
* Called by initialization code of host driver. Register host controller
* to the OTG. Suspend host for OTG role detection.
*/
-static int fsl_otg_set_host(struct otg_transceiver *otg_p, struct usb_bus *host)
+static int fsl_otg_set_host(struct usb_otg *otg, struct usb_bus *host)
{
- struct fsl_otg *otg_dev = container_of(otg_p, struct fsl_otg, otg);
+ struct fsl_otg *otg_dev = container_of(otg->phy, struct fsl_otg, phy);
- if (!otg_p || otg_dev != fsl_otg_dev)
+ if (!otg || otg_dev != fsl_otg_dev)
return -ENODEV;
- otg_p->host = host;
+ otg->host = host;
otg_dev->fsm.a_bus_drop = 0;
otg_dev->fsm.a_bus_req = 1;
@@ -557,8 +557,8 @@ static int fsl_otg_set_host(struct otg_transceiver *otg_p, struct usb_bus *host)
if (host) {
VDBG("host off......\n");
- otg_p->host->otg_port = fsl_otg_initdata.otg_port;
- otg_p->host->is_b_host = otg_dev->fsm.id;
+ otg->host->otg_port = fsl_otg_initdata.otg_port;
+ otg->host->is_b_host = otg_dev->fsm.id;
/*
* must leave time for khubd to finish its thing
* before yanking the host driver out from under it,
@@ -574,7 +574,7 @@ static int fsl_otg_set_host(struct otg_transceiver *otg_p, struct usb_bus *host)
/* Mini-A cable connected */
struct otg_fsm *fsm = &otg_dev->fsm;
- otg_p->state = OTG_STATE_UNDEFINED;
+ otg->phy->state = OTG_STATE_UNDEFINED;
fsm->protocol = PROTO_UNDEF;
}
}
@@ -587,29 +587,29 @@ static int fsl_otg_set_host(struct otg_transceiver *otg_p, struct usb_bus *host)
}
/* Called by initialization code of udc. Register udc to OTG. */
-static int fsl_otg_set_peripheral(struct otg_transceiver *otg_p,
- struct usb_gadget *gadget)
+static int fsl_otg_set_peripheral(struct usb_otg *otg,
+ struct usb_gadget *gadget)
{
- struct fsl_otg *otg_dev = container_of(otg_p, struct fsl_otg, otg);
+ struct fsl_otg *otg_dev = container_of(otg->phy, struct fsl_otg, phy);
VDBG("otg_dev 0x%x\n", (int)otg_dev);
VDBG("fsl_otg_dev 0x%x\n", (int)fsl_otg_dev);
- if (!otg_p || otg_dev != fsl_otg_dev)
+ if (!otg || otg_dev != fsl_otg_dev)
return -ENODEV;
if (!gadget) {
- if (!otg_dev->otg.default_a)
- otg_p->gadget->ops->vbus_draw(otg_p->gadget, 0);
- usb_gadget_vbus_disconnect(otg_dev->otg.gadget);
- otg_dev->otg.gadget = 0;
+ if (!otg->default_a)
+ otg->gadget->ops->vbus_draw(otg->gadget, 0);
+ usb_gadget_vbus_disconnect(otg->gadget);
+ otg->gadget = 0;
otg_dev->fsm.b_bus_req = 0;
otg_statemachine(&otg_dev->fsm);
return 0;
}
- otg_p->gadget = gadget;
- otg_p->gadget->is_a_peripheral = !otg_dev->fsm.id;
+ otg->gadget = gadget;
+ otg->gadget->is_a_peripheral = !otg_dev->fsm.id;
otg_dev->fsm.b_bus_req = 1;
@@ -625,11 +625,11 @@ static int fsl_otg_set_peripheral(struct otg_transceiver *otg_p,
}
/* Set OTG port power, only for B-device */
-static int fsl_otg_set_power(struct otg_transceiver *otg_p, unsigned mA)
+static int fsl_otg_set_power(struct usb_phy *phy, unsigned mA)
{
if (!fsl_otg_dev)
return -ENODEV;
- if (otg_p->state == OTG_STATE_B_PERIPHERAL)
+ if (phy->state == OTG_STATE_B_PERIPHERAL)
pr_info("FSL OTG: Draw %d mA\n", mA);
return 0;
@@ -658,12 +658,12 @@ static void fsl_otg_event(struct work_struct *work)
}
/* B-device start SRP */
-static int fsl_otg_start_srp(struct otg_transceiver *otg_p)
+static int fsl_otg_start_srp(struct usb_otg *otg)
{
- struct fsl_otg *otg_dev = container_of(otg_p, struct fsl_otg, otg);
+ struct fsl_otg *otg_dev = container_of(otg->phy, struct fsl_otg, phy);
- if (!otg_p || otg_dev != fsl_otg_dev
- || otg_p->state != OTG_STATE_B_IDLE)
+ if (!otg || otg_dev != fsl_otg_dev
+ || otg->phy->state != OTG_STATE_B_IDLE)
return -ENODEV;
otg_dev->fsm.b_bus_req = 1;
@@ -673,11 +673,11 @@ static int fsl_otg_start_srp(struct otg_transceiver *otg_p)
}
/* A_host suspend will call this function to start hnp */
-static int fsl_otg_start_hnp(struct otg_transceiver *otg_p)
+static int fsl_otg_start_hnp(struct usb_otg *otg)
{
- struct fsl_otg *otg_dev = container_of(otg_p, struct fsl_otg, otg);
+ struct fsl_otg *otg_dev = container_of(otg->phy, struct fsl_otg, phy);
- if (!otg_p || otg_dev != fsl_otg_dev)
+ if (!otg || otg_dev != fsl_otg_dev)
return -ENODEV;
DBG("start_hnp...n");
@@ -698,7 +698,7 @@ static int fsl_otg_start_hnp(struct otg_transceiver *otg_p)
irqreturn_t fsl_otg_isr(int irq, void *dev_id)
{
struct otg_fsm *fsm = &((struct fsl_otg *)dev_id)->fsm;
- struct otg_transceiver *otg = &((struct fsl_otg *)dev_id)->otg;
+ struct usb_otg *otg = ((struct fsl_otg *)dev_id)->phy.otg;
u32 otg_int_src, otg_sc;
otg_sc = fsl_readl(&usb_dr_regs->otgsc);
@@ -774,6 +774,12 @@ static int fsl_otg_conf(struct platform_device *pdev)
if (!fsl_otg_tc)
return -ENOMEM;
+ fsl_otg_tc->phy.otg = kzalloc(sizeof(struct usb_otg), GFP_KERNEL);
+ if (!fsl_otg_tc->phy.otg) {
+ kfree(fsl_otg_tc);
+ return -ENOMEM;
+ }
+
INIT_DELAYED_WORK(&fsl_otg_tc->otg_event, fsl_otg_event);
INIT_LIST_HEAD(&active_timers);
@@ -788,17 +794,19 @@ static int fsl_otg_conf(struct platform_device *pdev)
fsl_otg_tc->fsm.ops = &fsl_otg_ops;
/* initialize the otg structure */
- fsl_otg_tc->otg.label = DRIVER_DESC;
- fsl_otg_tc->otg.set_host = fsl_otg_set_host;
- fsl_otg_tc->otg.set_peripheral = fsl_otg_set_peripheral;
- fsl_otg_tc->otg.set_power = fsl_otg_set_power;
- fsl_otg_tc->otg.start_hnp = fsl_otg_start_hnp;
- fsl_otg_tc->otg.start_srp = fsl_otg_start_srp;
+ fsl_otg_tc->phy.label = DRIVER_DESC;
+ fsl_otg_tc->phy.set_power = fsl_otg_set_power;
+
+ fsl_otg_tc->phy.otg->phy = &fsl_otg_tc->phy;
+ fsl_otg_tc->phy.otg->set_host = fsl_otg_set_host;
+ fsl_otg_tc->phy.otg->set_peripheral = fsl_otg_set_peripheral;
+ fsl_otg_tc->phy.otg->start_hnp = fsl_otg_start_hnp;
+ fsl_otg_tc->phy.otg->start_srp = fsl_otg_start_srp;
fsl_otg_dev = fsl_otg_tc;
/* Store the otg transceiver */
- status = otg_set_transceiver(&fsl_otg_tc->otg);
+ status = usb_set_transceiver(&fsl_otg_tc->phy);
if (status) {
pr_warn(FSL_OTG_NAME ": unable to register OTG transceiver.\n");
goto err;
@@ -807,6 +815,7 @@ static int fsl_otg_conf(struct platform_device *pdev)
return 0;
err:
fsl_otg_uninit_timers();
+ kfree(fsl_otg_tc->phy.otg);
kfree(fsl_otg_tc);
return status;
}
@@ -815,19 +824,19 @@ err:
int usb_otg_start(struct platform_device *pdev)
{
struct fsl_otg *p_otg;
- struct otg_transceiver *otg_trans = otg_get_transceiver();
+ struct usb_phy *otg_trans = usb_get_transceiver();
struct otg_fsm *fsm;
int status;
struct resource *res;
u32 temp;
struct fsl_usb2_platform_data *pdata = pdev->dev.platform_data;
- p_otg = container_of(otg_trans, struct fsl_otg, otg);
+ p_otg = container_of(otg_trans, struct fsl_otg, phy);
fsm = &p_otg->fsm;
/* Initialize the state machine structure with default values */
SET_OTG_STATE(otg_trans, OTG_STATE_UNDEFINED);
- fsm->transceiver = &p_otg->otg;
+ fsm->otg = p_otg->phy.otg;
/* We don't require predefined MEM/IRQ resource index */
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -857,9 +866,10 @@ int usb_otg_start(struct platform_device *pdev)
status = request_irq(p_otg->irq, fsl_otg_isr,
IRQF_SHARED, driver_name, p_otg);
if (status) {
- dev_dbg(p_otg->otg.dev, "can't get IRQ %d, error %d\n",
+ dev_dbg(p_otg->phy.dev, "can't get IRQ %d, error %d\n",
p_otg->irq, status);
iounmap(p_otg->dr_mem_map);
+ kfree(p_otg->phy.otg);
kfree(p_otg);
return status;
}
@@ -919,10 +929,10 @@ int usb_otg_start(struct platform_device *pdev)
* Also: record initial state of ID pin
*/
if (fsl_readl(&p_otg->dr_mem_map->otgsc) & OTGSC_STS_USB_ID) {
- p_otg->otg.state = OTG_STATE_UNDEFINED;
+ p_otg->phy.state = OTG_STATE_UNDEFINED;
p_otg->fsm.id = 1;
} else {
- p_otg->otg.state = OTG_STATE_A_IDLE;
+ p_otg->phy.state = OTG_STATE_A_IDLE;
p_otg->fsm.id = 0;
}
@@ -978,7 +988,7 @@ static int show_fsl_usb2_otg_state(struct device *dev,
/* State */
t = scnprintf(next, size,
"OTG state: %s\n\n",
- otg_state_string(fsl_otg_dev->otg.state));
+ otg_state_string(fsl_otg_dev->phy.state));
size -= t;
next += t;
@@ -1124,12 +1134,13 @@ static int __devexit fsl_otg_remove(struct platform_device *pdev)
{
struct fsl_usb2_platform_data *pdata = pdev->dev.platform_data;
- otg_set_transceiver(NULL);
+ usb_set_transceiver(NULL);
free_irq(fsl_otg_dev->irq, fsl_otg_dev);
iounmap((void *)usb_dr_regs);
fsl_otg_uninit_timers();
+ kfree(fsl_otg_dev->phy.otg);
kfree(fsl_otg_dev);
device_remove_file(&pdev->dev, &dev_attr_fsl_usb2_otg_state);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.