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Subject[PATCHv4 13/19] usb: otg: ulpi: Start using struct usb_otg
Date
Use struct usb_otg members with OTG specific functions instead
of usb_phy members.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
---
arch/arm/mach-pxa/pxa3xx-ulpi.c | 6 +-
arch/arm/plat-mxc/include/mach/ulpi.h | 2 +-
arch/arm/plat-mxc/ulpi.c | 2 +-
drivers/usb/otg/ulpi.c | 114 ++++++++++++++++++---------------
drivers/usb/otg/ulpi_viewport.c | 2 +-
include/linux/usb/ulpi.h | 4 +-
6 files changed, 71 insertions(+), 59 deletions(-)
diff --git a/arch/arm/mach-pxa/pxa3xx-ulpi.c b/arch/arm/mach-pxa/pxa3xx-ulpi.c
index 83e185d..a299e11 100644
--- a/arch/arm/mach-pxa/pxa3xx-ulpi.c
+++ b/arch/arm/mach-pxa/pxa3xx-ulpi.c
@@ -111,7 +111,7 @@ static int pxa310_ulpi_write(struct usb_phy *otg, u32 val, u32 reg)
return pxa310_ulpi_poll();
}

-struct otg_io_access_ops pxa310_ulpi_access_ops = {
+struct usb_phy_io_ops pxa310_ulpi_access_ops = {
.read = pxa310_ulpi_read,
.write = pxa310_ulpi_write,
};
@@ -139,7 +139,7 @@ static int pxa310_start_otg_host_transcvr(struct usb_bus *host)

pxa310_otg_transceiver_rtsm();

- err = otg_init(u2d->otg);
+ err = usb_phy_init(u2d->otg);
if (err) {
pr_err("OTG transceiver init failed");
return err;
@@ -191,7 +191,7 @@ static void pxa310_stop_otg_hc(void)

otg_set_host(u2d->otg, NULL);
otg_set_vbus(u2d->otg, 0);
- otg_shutdown(u2d->otg);
+ usb_phy_shutdown(u2d->otg);
}

static void pxa310_u2d_setup_otg_hc(void)
diff --git a/arch/arm/plat-mxc/include/mach/ulpi.h b/arch/arm/plat-mxc/include/mach/ulpi.h
index d39d94a..42bdaca 100644
--- a/arch/arm/plat-mxc/include/mach/ulpi.h
+++ b/arch/arm/plat-mxc/include/mach/ulpi.h
@@ -10,7 +10,7 @@ static inline struct usb_phy *imx_otg_ulpi_create(unsigned int flags)
}
#endif

-extern struct otg_io_access_ops mxc_ulpi_access_ops;
+extern struct usb_phy_io_ops mxc_ulpi_access_ops;

#endif /* __MACH_ULPI_H */

diff --git a/arch/arm/plat-mxc/ulpi.c b/arch/arm/plat-mxc/ulpi.c
index 8eeeb6b..d296342 100644
--- a/arch/arm/plat-mxc/ulpi.c
+++ b/arch/arm/plat-mxc/ulpi.c
@@ -106,7 +106,7 @@ static int ulpi_write(struct usb_phy *otg, u32 val, u32 reg)
return ulpi_poll(view, ULPIVW_RUN);
}

-struct otg_io_access_ops mxc_ulpi_access_ops = {
+struct usb_phy_io_ops mxc_ulpi_access_ops = {
.read = ulpi_read,
.write = ulpi_write,
};
diff --git a/drivers/usb/otg/ulpi.c b/drivers/usb/otg/ulpi.c
index abc2339..b109258 100644
--- a/drivers/usb/otg/ulpi.c
+++ b/drivers/usb/otg/ulpi.c
@@ -48,31 +48,31 @@ static struct ulpi_info ulpi_ids[] = {
ULPI_INFO(ULPI_ID(0x0424, 0x0006), "SMSC USB331x"),
};

-static int ulpi_set_otg_flags(struct usb_phy *otg)
+static int ulpi_set_otg_flags(struct usb_phy *xceiv)
{
unsigned int flags = ULPI_OTG_CTRL_DP_PULLDOWN |
ULPI_OTG_CTRL_DM_PULLDOWN;

- if (otg->flags & ULPI_OTG_ID_PULLUP)
+ if (xceiv->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 (xceiv->flags & ULPI_OTG_DP_PULLDOWN_DIS)
flags &= ~ULPI_OTG_CTRL_DP_PULLDOWN;

- if (otg->flags & ULPI_OTG_DM_PULLDOWN_DIS)
+ if (xceiv->flags & ULPI_OTG_DM_PULLDOWN_DIS)
flags &= ~ULPI_OTG_CTRL_DM_PULLDOWN;

- if (otg->flags & ULPI_OTG_EXTVBUSIND)
+ if (xceiv->flags & ULPI_OTG_EXTVBUSIND)
flags |= ULPI_OTG_CTRL_EXTVBUSIND;

- return otg_io_write(otg, flags, ULPI_OTG_CTRL);
+ return usb_phy_io_write(xceiv, flags, ULPI_OTG_CTRL);
}

-static int ulpi_set_fc_flags(struct usb_phy *otg)
+static int ulpi_set_fc_flags(struct usb_phy *xceiv)
{
unsigned int flags = 0;

@@ -80,27 +80,27 @@ static int ulpi_set_fc_flags(struct usb_phy *otg)
* ULPI Specification rev.1.1 default
* for XcvrSelect is Full Speed.
*/
- if (otg->flags & ULPI_FC_HS)
+ if (xceiv->flags & ULPI_FC_HS)
flags |= ULPI_FUNC_CTRL_HIGH_SPEED;
- else if (otg->flags & ULPI_FC_LS)
+ else if (xceiv->flags & ULPI_FC_LS)
flags |= ULPI_FUNC_CTRL_LOW_SPEED;
- else if (otg->flags & ULPI_FC_FS4LS)
+ else if (xceiv->flags & ULPI_FC_FS4LS)
flags |= ULPI_FUNC_CTRL_FS4LS;
else
flags |= ULPI_FUNC_CTRL_FULL_SPEED;

- if (otg->flags & ULPI_FC_TERMSEL)
+ if (xceiv->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 (xceiv->flags & ULPI_FC_OP_NODRV)
flags |= ULPI_FUNC_CTRL_OPMODE_NONDRIVING;
- else if (otg->flags & ULPI_FC_OP_DIS_NRZI)
+ else if (xceiv->flags & ULPI_FC_OP_DIS_NRZI)
flags |= ULPI_FUNC_CTRL_OPMODE_DISABLE_NRZI;
- else if (otg->flags & ULPI_FC_OP_NSYNC_NEOP)
+ else if (xceiv->flags & ULPI_FC_OP_NSYNC_NEOP)
flags |= ULPI_FUNC_CTRL_OPMODE_NOSYNC_NOEOP;
else
flags |= ULPI_FUNC_CTRL_OPMODE_NORMAL;
@@ -111,54 +111,54 @@ static int ulpi_set_fc_flags(struct usb_phy *otg)
*/
flags |= ULPI_FUNC_CTRL_SUSPENDM;

- return otg_io_write(otg, flags, ULPI_FUNC_CTRL);
+ return usb_phy_io_write(xceiv, flags, ULPI_FUNC_CTRL);
}

-static int ulpi_set_ic_flags(struct usb_phy *otg)
+static int ulpi_set_ic_flags(struct usb_phy *xceiv)
{
unsigned int flags = 0;

- if (otg->flags & ULPI_IC_AUTORESUME)
+ if (xceiv->flags & ULPI_IC_AUTORESUME)
flags |= ULPI_IFC_CTRL_AUTORESUME;

- if (otg->flags & ULPI_IC_EXTVBUS_INDINV)
+ if (xceiv->flags & ULPI_IC_EXTVBUS_INDINV)
flags |= ULPI_IFC_CTRL_EXTERNAL_VBUS;

- if (otg->flags & ULPI_IC_IND_PASSTHRU)
+ if (xceiv->flags & ULPI_IC_IND_PASSTHRU)
flags |= ULPI_IFC_CTRL_PASSTHRU;

- if (otg->flags & ULPI_IC_PROTECT_DIS)
+ if (xceiv->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(xceiv, flags, ULPI_IFC_CTRL);
}

-static int ulpi_set_flags(struct usb_phy *otg)
+static int ulpi_set_flags(struct usb_phy *xceiv)
{
int ret;

- ret = ulpi_set_otg_flags(otg);
+ ret = ulpi_set_otg_flags(xceiv);
if (ret)
return ret;

- ret = ulpi_set_ic_flags(otg);
+ ret = ulpi_set_ic_flags(xceiv);
if (ret)
return ret;

- return ulpi_set_fc_flags(otg);
+ return ulpi_set_fc_flags(xceiv);
}

-static int ulpi_check_integrity(struct usb_phy *otg)
+static int ulpi_check_integrity(struct usb_phy *xceiv)
{
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(xceiv, val, ULPI_SCRATCH);
if (ret < 0)
return ret;

- ret = otg_io_read(otg, ULPI_SCRATCH);
+ ret = usb_phy_io_read(xceiv, ULPI_SCRATCH);
if (ret < 0)
return ret;

@@ -174,13 +174,13 @@ static int ulpi_check_integrity(struct usb_phy *otg)
return 0;
}

-static int ulpi_init(struct usb_phy *otg)
+static int ulpi_init(struct usb_phy *xceiv)
{
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(xceiv, ULPI_PRODUCT_ID_HIGH - i);
if (ret < 0)
return ret;
ulpi_id = (ulpi_id << 8) | ret;
@@ -198,16 +198,17 @@ static int ulpi_init(struct usb_phy *otg)
}
}

- ret = ulpi_check_integrity(otg);
+ ret = ulpi_check_integrity(xceiv);
if (ret)
return ret;

- return ulpi_set_flags(otg);
+ return ulpi_set_flags(xceiv);
}

-static int ulpi_set_host(struct usb_phy *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 *xceiv = otg->xceiv;
+ unsigned int flags = usb_phy_io_read(xceiv, ULPI_IFC_CTRL);

if (!host) {
otg->host = NULL;
@@ -220,51 +221,62 @@ static int ulpi_set_host(struct usb_phy *otg, struct usb_bus *host)
ULPI_IFC_CTRL_3_PIN_SERIAL_MODE |
ULPI_IFC_CTRL_CARKITMODE);

- if (otg->flags & ULPI_IC_6PIN_SERIAL)
+ if (xceiv->flags & ULPI_IC_6PIN_SERIAL)
flags |= ULPI_IFC_CTRL_6_PIN_SERIAL_MODE;
- else if (otg->flags & ULPI_IC_3PIN_SERIAL)
+ else if (xceiv->flags & ULPI_IC_3PIN_SERIAL)
flags |= ULPI_IFC_CTRL_3_PIN_SERIAL_MODE;
- else if (otg->flags & ULPI_IC_CARKIT)
+ else if (xceiv->flags & ULPI_IC_CARKIT)
flags |= ULPI_IFC_CTRL_CARKITMODE;

- return otg_io_write(otg, flags, ULPI_IFC_CTRL);
+ return usb_phy_io_write(xceiv, flags, ULPI_IFC_CTRL);
}

-static int ulpi_set_vbus(struct usb_phy *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 *xceiv = otg->xceiv;
+ unsigned int flags = usb_phy_io_read(xceiv, ULPI_OTG_CTRL);

flags &= ~(ULPI_OTG_CTRL_DRVVBUS | ULPI_OTG_CTRL_DRVVBUS_EXT);

if (on) {
- if (otg->flags & ULPI_OTG_DRVVBUS)
+ if (xceiv->flags & ULPI_OTG_DRVVBUS)
flags |= ULPI_OTG_CTRL_DRVVBUS;

- if (otg->flags & ULPI_OTG_DRVVBUS_EXT)
+ if (xceiv->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(xceiv, flags, ULPI_OTG_CTRL);
}

struct usb_phy *
-otg_ulpi_create(struct otg_io_access_ops *ops,
+otg_ulpi_create(struct usb_phy_io_ops *ops,
unsigned int flags)
{
- struct usb_phy *otg;
+ struct usb_phy *xceiv;
+ struct usb_otg *otg;
+
+ xceiv = kzalloc(sizeof(*xceiv), GFP_KERNEL);
+ if (!xceiv)
+ return NULL;

otg = kzalloc(sizeof(*otg), GFP_KERNEL);
- if (!otg)
+ if (!otg) {
+ kfree(xceiv);
return NULL;
+ }
+
+ xceiv->label = "ULPI";
+ xceiv->flags = flags;
+ xceiv->io_ops = ops;
+ xceiv->otg = otg;
+ xceiv->init = ulpi_init;

- otg->label = "ULPI";
- otg->flags = flags;
- otg->io_ops = ops;
- otg->init = ulpi_init;
+ otg->xceiv = xceiv;
otg->set_host = ulpi_set_host;
otg->set_vbus = ulpi_set_vbus;

- return otg;
+ return xceiv;
}
EXPORT_SYMBOL_GPL(otg_ulpi_create);

diff --git a/drivers/usb/otg/ulpi_viewport.c b/drivers/usb/otg/ulpi_viewport.c
index e7b311b..c5ba7e5 100644
--- a/drivers/usb/otg/ulpi_viewport.c
+++ b/drivers/usb/otg/ulpi_viewport.c
@@ -74,7 +74,7 @@ static int ulpi_viewport_write(struct usb_phy *otg, u32 val, u32 reg)
return ulpi_viewport_wait(view, ULPI_VIEW_RUN);
}

-struct otg_io_access_ops ulpi_viewport_access_ops = {
+struct usb_phy_io_ops ulpi_viewport_access_ops = {
.read = ulpi_viewport_read,
.write = ulpi_viewport_write,
};
diff --git a/include/linux/usb/ulpi.h b/include/linux/usb/ulpi.h
index 51ebf72..6f033a4 100644
--- a/include/linux/usb/ulpi.h
+++ b/include/linux/usb/ulpi.h
@@ -181,12 +181,12 @@

/*-------------------------------------------------------------------------*/

-struct usb_phy *otg_ulpi_create(struct otg_io_access_ops *ops,
+struct usb_phy *otg_ulpi_create(struct usb_phy_io_ops *ops,
unsigned int flags);

#ifdef CONFIG_USB_ULPI_VIEWPORT
/* access ops for controllers with a viewport register */
-extern struct otg_io_access_ops ulpi_viewport_access_ops;
+extern struct usb_phy_io_ops ulpi_viewport_access_ops;
#endif

#endif /* __LINUX_USB_ULPI_H */
--
1.7.4.1


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