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path: root/drivers/usb/otg/ulpi.c
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Diffstat (limited to 'drivers/usb/otg/ulpi.c')
-rw-r--r--drivers/usb/otg/ulpi.c116
1 files changed, 64 insertions, 52 deletions
diff --git a/drivers/usb/otg/ulpi.c b/drivers/usb/otg/ulpi.c
index 0b0466728fdc..217339dd7a90 100644
--- a/drivers/usb/otg/ulpi.c
+++ b/drivers/usb/otg/ulpi.c
@@ -49,31 +49,31 @@ static struct ulpi_info ulpi_ids[] = {
ULPI_INFO(ULPI_ID(0x0424, 0x0006), "SMSC USB331x"),
};
-static int ulpi_set_otg_flags(struct otg_transceiver *otg)
+static int ulpi_set_otg_flags(struct usb_phy *phy)
{
unsigned int flags = ULPI_OTG_CTRL_DP_PULLDOWN |
ULPI_OTG_CTRL_DM_PULLDOWN;
- if (otg->flags & ULPI_OTG_ID_PULLUP)
+ if (phy->flags & ULPI_OTG_ID_PULLUP)
flags |= ULPI_OTG_CTRL_ID_PULLUP;
/*
* ULPI Specification rev.1.1 default
* for Dp/DmPulldown is enabled.
*/
- if (otg->flags & ULPI_OTG_DP_PULLDOWN_DIS)
+ if (phy->flags & ULPI_OTG_DP_PULLDOWN_DIS)
flags &= ~ULPI_OTG_CTRL_DP_PULLDOWN;
- if (otg->flags & ULPI_OTG_DM_PULLDOWN_DIS)
+ if (phy->flags & ULPI_OTG_DM_PULLDOWN_DIS)
flags &= ~ULPI_OTG_CTRL_DM_PULLDOWN;
- if (otg->flags & ULPI_OTG_EXTVBUSIND)
+ if (phy->flags & ULPI_OTG_EXTVBUSIND)
flags |= ULPI_OTG_CTRL_EXTVBUSIND;
- return otg_io_write(otg, flags, ULPI_OTG_CTRL);
+ return usb_phy_io_write(phy, flags, ULPI_OTG_CTRL);
}
-static int ulpi_set_fc_flags(struct otg_transceiver *otg)
+static int ulpi_set_fc_flags(struct usb_phy *phy)
{
unsigned int flags = 0;
@@ -81,27 +81,27 @@ static int ulpi_set_fc_flags(struct otg_transceiver *otg)
* ULPI Specification rev.1.1 default
* for XcvrSelect is Full Speed.
*/
- if (otg->flags & ULPI_FC_HS)
+ if (phy->flags & ULPI_FC_HS)
flags |= ULPI_FUNC_CTRL_HIGH_SPEED;
- else if (otg->flags & ULPI_FC_LS)
+ else if (phy->flags & ULPI_FC_LS)
flags |= ULPI_FUNC_CTRL_LOW_SPEED;
- else if (otg->flags & ULPI_FC_FS4LS)
+ else if (phy->flags & ULPI_FC_FS4LS)
flags |= ULPI_FUNC_CTRL_FS4LS;
else
flags |= ULPI_FUNC_CTRL_FULL_SPEED;
- if (otg->flags & ULPI_FC_TERMSEL)
+ if (phy->flags & ULPI_FC_TERMSEL)
flags |= ULPI_FUNC_CTRL_TERMSELECT;
/*
* ULPI Specification rev.1.1 default
* for OpMode is Normal Operation.
*/
- if (otg->flags & ULPI_FC_OP_NODRV)
+ if (phy->flags & ULPI_FC_OP_NODRV)
flags |= ULPI_FUNC_CTRL_OPMODE_NONDRIVING;
- else if (otg->flags & ULPI_FC_OP_DIS_NRZI)
+ else if (phy->flags & ULPI_FC_OP_DIS_NRZI)
flags |= ULPI_FUNC_CTRL_OPMODE_DISABLE_NRZI;
- else if (otg->flags & ULPI_FC_OP_NSYNC_NEOP)
+ else if (phy->flags & ULPI_FC_OP_NSYNC_NEOP)
flags |= ULPI_FUNC_CTRL_OPMODE_NOSYNC_NOEOP;
else
flags |= ULPI_FUNC_CTRL_OPMODE_NORMAL;
@@ -112,54 +112,54 @@ static int ulpi_set_fc_flags(struct otg_transceiver *otg)
*/
flags |= ULPI_FUNC_CTRL_SUSPENDM;
- return otg_io_write(otg, flags, ULPI_FUNC_CTRL);
+ return usb_phy_io_write(phy, flags, ULPI_FUNC_CTRL);
}
-static int ulpi_set_ic_flags(struct otg_transceiver *otg)
+static int ulpi_set_ic_flags(struct usb_phy *phy)
{
unsigned int flags = 0;
- if (otg->flags & ULPI_IC_AUTORESUME)
+ if (phy->flags & ULPI_IC_AUTORESUME)
flags |= ULPI_IFC_CTRL_AUTORESUME;
- if (otg->flags & ULPI_IC_EXTVBUS_INDINV)
+ if (phy->flags & ULPI_IC_EXTVBUS_INDINV)
flags |= ULPI_IFC_CTRL_EXTERNAL_VBUS;
- if (otg->flags & ULPI_IC_IND_PASSTHRU)
+ if (phy->flags & ULPI_IC_IND_PASSTHRU)
flags |= ULPI_IFC_CTRL_PASSTHRU;
- if (otg->flags & ULPI_IC_PROTECT_DIS)
+ if (phy->flags & ULPI_IC_PROTECT_DIS)
flags |= ULPI_IFC_CTRL_PROTECT_IFC_DISABLE;
- return otg_io_write(otg, flags, ULPI_IFC_CTRL);
+ return usb_phy_io_write(phy, flags, ULPI_IFC_CTRL);
}
-static int ulpi_set_flags(struct otg_transceiver *otg)
+static int ulpi_set_flags(struct usb_phy *phy)
{
int ret;
- ret = ulpi_set_otg_flags(otg);
+ ret = ulpi_set_otg_flags(phy);
if (ret)
return ret;
- ret = ulpi_set_ic_flags(otg);
+ ret = ulpi_set_ic_flags(phy);
if (ret)
return ret;
- return ulpi_set_fc_flags(otg);
+ return ulpi_set_fc_flags(phy);
}
-static int ulpi_check_integrity(struct otg_transceiver *otg)
+static int ulpi_check_integrity(struct usb_phy *phy)
{
int ret, i;
unsigned int val = 0x55;
for (i = 0; i < 2; i++) {
- ret = otg_io_write(otg, val, ULPI_SCRATCH);
+ ret = usb_phy_io_write(phy, val, ULPI_SCRATCH);
if (ret < 0)
return ret;
- ret = otg_io_read(otg, ULPI_SCRATCH);
+ ret = usb_phy_io_read(phy, ULPI_SCRATCH);
if (ret < 0)
return ret;
@@ -175,13 +175,13 @@ static int ulpi_check_integrity(struct otg_transceiver *otg)
return 0;
}
-static int ulpi_init(struct otg_transceiver *otg)
+static int ulpi_init(struct usb_phy *phy)
{
int i, vid, pid, ret;
u32 ulpi_id = 0;
for (i = 0; i < 4; i++) {
- ret = otg_io_read(otg, ULPI_PRODUCT_ID_HIGH - i);
+ ret = usb_phy_io_read(phy, ULPI_PRODUCT_ID_HIGH - i);
if (ret < 0)
return ret;
ulpi_id = (ulpi_id << 8) | ret;
@@ -199,16 +199,17 @@ static int ulpi_init(struct otg_transceiver *otg)
}
}
- ret = ulpi_check_integrity(otg);
+ ret = ulpi_check_integrity(phy);
if (ret)
return ret;
- return ulpi_set_flags(otg);
+ return ulpi_set_flags(phy);
}
-static int ulpi_set_host(struct otg_transceiver *otg, struct usb_bus *host)
+static int ulpi_set_host(struct usb_otg *otg, struct usb_bus *host)
{
- unsigned int flags = otg_io_read(otg, ULPI_IFC_CTRL);
+ struct usb_phy *phy = otg->phy;
+ unsigned int flags = usb_phy_io_read(phy, ULPI_IFC_CTRL);
if (!host) {
otg->host = NULL;
@@ -221,51 +222,62 @@ static int ulpi_set_host(struct otg_transceiver *otg, struct usb_bus *host)
ULPI_IFC_CTRL_3_PIN_SERIAL_MODE |
ULPI_IFC_CTRL_CARKITMODE);
- if (otg->flags & ULPI_IC_6PIN_SERIAL)
+ if (phy->flags & ULPI_IC_6PIN_SERIAL)
flags |= ULPI_IFC_CTRL_6_PIN_SERIAL_MODE;
- else if (otg->flags & ULPI_IC_3PIN_SERIAL)
+ else if (phy->flags & ULPI_IC_3PIN_SERIAL)
flags |= ULPI_IFC_CTRL_3_PIN_SERIAL_MODE;
- else if (otg->flags & ULPI_IC_CARKIT)
+ else if (phy->flags & ULPI_IC_CARKIT)
flags |= ULPI_IFC_CTRL_CARKITMODE;
- return otg_io_write(otg, flags, ULPI_IFC_CTRL);
+ return usb_phy_io_write(phy, flags, ULPI_IFC_CTRL);
}
-static int ulpi_set_vbus(struct otg_transceiver *otg, bool on)
+static int ulpi_set_vbus(struct usb_otg *otg, bool on)
{
- unsigned int flags = otg_io_read(otg, ULPI_OTG_CTRL);
+ struct usb_phy *phy = otg->phy;
+ unsigned int flags = usb_phy_io_read(phy, ULPI_OTG_CTRL);
flags &= ~(ULPI_OTG_CTRL_DRVVBUS | ULPI_OTG_CTRL_DRVVBUS_EXT);
if (on) {
- if (otg->flags & ULPI_OTG_DRVVBUS)
+ if (phy->flags & ULPI_OTG_DRVVBUS)
flags |= ULPI_OTG_CTRL_DRVVBUS;
- if (otg->flags & ULPI_OTG_DRVVBUS_EXT)
+ if (phy->flags & ULPI_OTG_DRVVBUS_EXT)
flags |= ULPI_OTG_CTRL_DRVVBUS_EXT;
}
- return otg_io_write(otg, flags, ULPI_OTG_CTRL);
+ return usb_phy_io_write(phy, flags, ULPI_OTG_CTRL);
}
-struct otg_transceiver *
-otg_ulpi_create(struct otg_io_access_ops *ops,
+struct usb_phy *
+otg_ulpi_create(struct usb_phy_io_ops *ops,
unsigned int flags)
{
- struct otg_transceiver *otg;
+ struct usb_phy *phy;
+ struct usb_otg *otg;
+
+ phy = kzalloc(sizeof(*phy), GFP_KERNEL);
+ if (!phy)
+ return NULL;
otg = kzalloc(sizeof(*otg), GFP_KERNEL);
- if (!otg)
+ if (!otg) {
+ kfree(phy);
return NULL;
+ }
+
+ phy->label = "ULPI";
+ phy->flags = flags;
+ phy->io_ops = ops;
+ phy->otg = otg;
+ phy->init = ulpi_init;
- otg->label = "ULPI";
- otg->flags = flags;
- otg->io_ops = ops;
- otg->init = ulpi_init;
+ otg->phy = phy;
otg->set_host = ulpi_set_host;
otg->set_vbus = ulpi_set_vbus;
- return otg;
+ return phy;
}
EXPORT_SYMBOL_GPL(otg_ulpi_create);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.