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-rw-r--r--drivers/phy/phy-twl4030-usb.c32
-rw-r--r--drivers/usb/musb/musb_core.c21
-rw-r--r--drivers/usb/musb/musb_core.h2
-rw-r--r--drivers/usb/musb/omap2430.c27
-rw-r--r--drivers/usb/phy/phy-twl6030-usb.c30
-rw-r--r--include/linux/usb/musb-omap.h30
-rw-r--r--include/linux/usb/musb.h15
7 files changed, 83 insertions, 74 deletions
diff --git a/drivers/phy/phy-twl4030-usb.c b/drivers/phy/phy-twl4030-usb.c
index 3a707dd14238..4a3fc6e59f8e 100644
--- a/drivers/phy/phy-twl4030-usb.c
+++ b/drivers/phy/phy-twl4030-usb.c
@@ -34,7 +34,7 @@
#include <linux/usb/otg.h>
#include <linux/phy/phy.h>
#include <linux/pm_runtime.h>
-#include <linux/usb/musb-omap.h>
+#include <linux/usb/musb.h>
#include <linux/usb/ulpi.h>
#include <linux/i2c/twl.h>
#include <linux/regulator/consumer.h>
@@ -148,10 +148,10 @@
* If VBUS is valid or ID is ground, then we know a
* cable is present and we need to be runtime-enabled
*/
-static inline bool cable_present(enum omap_musb_vbus_id_status stat)
+static inline bool cable_present(enum musb_vbus_id_status stat)
{
- return stat == OMAP_MUSB_VBUS_VALID ||
- stat == OMAP_MUSB_ID_GROUND;
+ return stat == MUSB_VBUS_VALID ||
+ stat == MUSB_ID_GROUND;
}
struct twl4030_usb {
@@ -170,7 +170,7 @@ struct twl4030_usb {
enum twl4030_usb_mode usb_mode;
int irq;
- enum omap_musb_vbus_id_status linkstat;
+ enum musb_vbus_id_status linkstat;
bool vbus_supplied;
struct delayed_work id_workaround_work;
@@ -276,11 +276,11 @@ static bool twl4030_is_driving_vbus(struct twl4030_usb *twl)
return (ret & (ULPI_OTG_DRVVBUS | ULPI_OTG_CHRGVBUS)) ? true : false;
}
-static enum omap_musb_vbus_id_status
+static enum musb_vbus_id_status
twl4030_usb_linkstat(struct twl4030_usb *twl)
{
int status;
- enum omap_musb_vbus_id_status linkstat = OMAP_MUSB_UNKNOWN;
+ enum musb_vbus_id_status linkstat = MUSB_UNKNOWN;
twl->vbus_supplied = false;
@@ -306,14 +306,14 @@ static enum omap_musb_vbus_id_status
}
if (status & BIT(2))
- linkstat = OMAP_MUSB_ID_GROUND;
+ linkstat = MUSB_ID_GROUND;
else if (status & BIT(7))
- linkstat = OMAP_MUSB_VBUS_VALID;
+ linkstat = MUSB_VBUS_VALID;
else
- linkstat = OMAP_MUSB_VBUS_OFF;
+ linkstat = MUSB_VBUS_OFF;
} else {
- if (twl->linkstat != OMAP_MUSB_UNKNOWN)
- linkstat = OMAP_MUSB_VBUS_OFF;
+ if (twl->linkstat != MUSB_UNKNOWN)
+ linkstat = MUSB_VBUS_OFF;
}
dev_dbg(twl->dev, "HW_CONDITIONS 0x%02x/%d; link %d\n",
@@ -535,7 +535,7 @@ static DEVICE_ATTR(vbus, 0444, twl4030_usb_vbus_show, NULL);
static irqreturn_t twl4030_usb_irq(int irq, void *_twl)
{
struct twl4030_usb *twl = _twl;
- enum omap_musb_vbus_id_status status;
+ enum musb_vbus_id_status status;
bool status_changed = false;
status = twl4030_usb_linkstat(twl);
@@ -567,11 +567,11 @@ static irqreturn_t twl4030_usb_irq(int irq, void *_twl)
pm_runtime_mark_last_busy(twl->dev);
pm_runtime_put_autosuspend(twl->dev);
}
- omap_musb_mailbox(status);
+ musb_mailbox(status);
}
/* don't schedule during sleep - irq works right then */
- if (status == OMAP_MUSB_ID_GROUND && pm_runtime_active(twl->dev)) {
+ if (status == MUSB_ID_GROUND && pm_runtime_active(twl->dev)) {
cancel_delayed_work(&twl->id_workaround_work);
schedule_delayed_work(&twl->id_workaround_work, HZ);
}
@@ -670,7 +670,7 @@ static int twl4030_usb_probe(struct platform_device *pdev)
twl->dev = &pdev->dev;
twl->irq = platform_get_irq(pdev, 0);
twl->vbus_supplied = false;
- twl->linkstat = OMAP_MUSB_UNKNOWN;
+ twl->linkstat = MUSB_UNKNOWN;
twl->phy.dev = twl->dev;
twl->phy.label = "twl4030";
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index cd37e9fc2e62..04548423094b 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -1702,6 +1702,23 @@ EXPORT_SYMBOL_GPL(musb_dma_completion);
#define use_dma 0
#endif
+static void (*musb_phy_callback)(enum musb_vbus_id_status status);
+
+/*
+ * musb_mailbox - optional phy notifier function
+ * @status phy state change
+ *
+ * Optionally gets called from the USB PHY. Note that the USB PHY must be
+ * disabled at the point the phy_callback is registered or unregistered.
+ */
+void musb_mailbox(enum musb_vbus_id_status status)
+{
+ if (musb_phy_callback)
+ musb_phy_callback(status);
+
+};
+EXPORT_SYMBOL_GPL(musb_mailbox);
+
/*-------------------------------------------------------------------------*/
static ssize_t
@@ -2114,6 +2131,9 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)
musb->xceiv->io_ops = &musb_ulpi_access;
}
+ if (musb->ops->phy_callback)
+ musb_phy_callback = musb->ops->phy_callback;
+
pm_runtime_get_sync(musb->controller);
if (use_dma && dev->dma_mask) {
@@ -2292,6 +2312,7 @@ static int musb_remove(struct platform_device *pdev)
*/
musb_exit_debugfs(musb);
musb_shutdown(pdev);
+ musb_phy_callback = NULL;
if (musb->dma_controller)
musb_dma_controller_destroy(musb->dma_controller);
diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h
index 2337d7a7d62d..fd215fb45fd4 100644
--- a/drivers/usb/musb/musb_core.h
+++ b/drivers/usb/musb/musb_core.h
@@ -168,6 +168,7 @@ struct musb_io;
* @adjust_channel_params: pre check for standard dma channel_program func
* @pre_root_reset_end: called before the root usb port reset flag gets cleared
* @post_root_reset_end: called after the root usb port reset flag gets cleared
+ * @phy_callback: optional callback function for the phy to call
*/
struct musb_platform_ops {
@@ -214,6 +215,7 @@ struct musb_platform_ops {
dma_addr_t *dma_addr, u32 *len);
void (*pre_root_reset_end)(struct musb *musb);
void (*post_root_reset_end)(struct musb *musb);
+ void (*phy_callback)(enum musb_vbus_id_status status);
};
/*
diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index 1bd9232ff76f..bf05f807729f 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -36,7 +36,7 @@
#include <linux/pm_runtime.h>
#include <linux/err.h>
#include <linux/delay.h>
-#include <linux/usb/musb-omap.h>
+#include <linux/usb/musb.h>
#include <linux/phy/omap_control_phy.h>
#include <linux/of_platform.h>
@@ -46,7 +46,7 @@
struct omap2430_glue {
struct device *dev;
struct platform_device *musb;
- enum omap_musb_vbus_id_status status;
+ enum musb_vbus_id_status status;
struct work_struct omap_musb_mailbox_work;
struct device *control_otghs;
};
@@ -234,7 +234,7 @@ static inline void omap2430_low_level_init(struct musb *musb)
musb_writel(musb->mregs, OTG_FORCESTDBY, l);
}
-void omap_musb_mailbox(enum omap_musb_vbus_id_status status)
+static void omap2430_musb_mailbox(enum musb_vbus_id_status status)
{
struct omap2430_glue *glue = _glue;
@@ -251,7 +251,6 @@ void omap_musb_mailbox(enum omap_musb_vbus_id_status status)
schedule_work(&glue->omap_musb_mailbox_work);
}
-EXPORT_SYMBOL_GPL(omap_musb_mailbox);
static void omap_musb_set_mailbox(struct omap2430_glue *glue)
{
@@ -262,7 +261,7 @@ static void omap_musb_set_mailbox(struct omap2430_glue *glue)
struct usb_otg *otg = musb->xceiv->otg;
switch (glue->status) {
- case OMAP_MUSB_ID_GROUND:
+ case MUSB_ID_GROUND:
dev_dbg(dev, "ID GND\n");
otg->default_a = true;
@@ -276,7 +275,7 @@ static void omap_musb_set_mailbox(struct omap2430_glue *glue)
}
break;
- case OMAP_MUSB_VBUS_VALID:
+ case MUSB_VBUS_VALID:
dev_dbg(dev, "VBUS Connect\n");
otg->default_a = false;
@@ -287,8 +286,8 @@ static void omap_musb_set_mailbox(struct omap2430_glue *glue)
omap_control_usb_set_mode(glue->control_otghs, USB_MODE_DEVICE);
break;
- case OMAP_MUSB_ID_FLOAT:
- case OMAP_MUSB_VBUS_OFF:
+ case MUSB_ID_FLOAT:
+ case MUSB_VBUS_OFF:
dev_dbg(dev, "VBUS Disconnect\n");
musb->xceiv->last_event = USB_EVENT_NONE;
@@ -430,7 +429,7 @@ static int omap2430_musb_init(struct musb *musb)
setup_timer(&musb_idle_timer, musb_do_idle, (unsigned long) musb);
- if (glue->status != OMAP_MUSB_UNKNOWN)
+ if (glue->status != MUSB_UNKNOWN)
omap_musb_set_mailbox(glue);
phy_init(musb->phy);
@@ -455,7 +454,7 @@ static void omap2430_musb_enable(struct musb *musb)
switch (glue->status) {
- case OMAP_MUSB_ID_GROUND:
+ case MUSB_ID_GROUND:
omap_control_usb_set_mode(glue->control_otghs, USB_MODE_HOST);
if (data->interface_type != MUSB_INTERFACE_UTMI)
break;
@@ -474,7 +473,7 @@ static void omap2430_musb_enable(struct musb *musb)
}
break;
- case OMAP_MUSB_VBUS_VALID:
+ case MUSB_VBUS_VALID:
omap_control_usb_set_mode(glue->control_otghs, USB_MODE_DEVICE);
break;
@@ -488,7 +487,7 @@ static void omap2430_musb_disable(struct musb *musb)
struct device *dev = musb->controller;
struct omap2430_glue *glue = dev_get_drvdata(dev->parent);
- if (glue->status != OMAP_MUSB_UNKNOWN)
+ if (glue->status != MUSB_UNKNOWN)
omap_control_usb_set_mode(glue->control_otghs,
USB_MODE_DISCONNECT);
}
@@ -520,6 +519,8 @@ static const struct musb_platform_ops omap2430_ops = {
.enable = omap2430_musb_enable,
.disable = omap2430_musb_disable,
+
+ .phy_callback = omap2430_musb_mailbox,
};
static u64 omap2430_dmamask = DMA_BIT_MASK(32);
@@ -551,7 +552,7 @@ static int omap2430_probe(struct platform_device *pdev)
glue->dev = &pdev->dev;
glue->musb = musb;
- glue->status = OMAP_MUSB_UNKNOWN;
+ glue->status = MUSB_UNKNOWN;
glue->control_otghs = ERR_PTR(-ENODEV);
if (np) {
diff --git a/drivers/usb/phy/phy-twl6030-usb.c b/drivers/usb/phy/phy-twl6030-usb.c
index 12741856a75c..014dbbd72132 100644
--- a/drivers/usb/phy/phy-twl6030-usb.c
+++ b/drivers/usb/phy/phy-twl6030-usb.c
@@ -25,7 +25,7 @@
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/io.h>
-#include <linux/usb/musb-omap.h>
+#include <linux/usb/musb.h>
#include <linux/usb/phy_companion.h>
#include <linux/phy/omap_usb.h>
#include <linux/i2c/twl.h>
@@ -102,7 +102,7 @@ struct twl6030_usb {
int irq1;
int irq2;
- enum omap_musb_vbus_id_status linkstat;
+ enum musb_vbus_id_status linkstat;
u8 asleep;
bool vbus_enable;
const char *regulator;
@@ -189,13 +189,13 @@ static ssize_t twl6030_usb_vbus_show(struct device *dev,
spin_lock_irqsave(&twl->lock, flags);
switch (twl->linkstat) {
- case OMAP_MUSB_VBUS_VALID:
+ case MUSB_VBUS_VALID:
ret = snprintf(buf, PAGE_SIZE, "vbus\n");
break;
- case OMAP_MUSB_ID_GROUND:
+ case MUSB_ID_GROUND:
ret = snprintf(buf, PAGE_SIZE, "id\n");
break;
- case OMAP_MUSB_VBUS_OFF:
+ case MUSB_VBUS_OFF:
ret = snprintf(buf, PAGE_SIZE, "none\n");
break;
default:
@@ -210,7 +210,7 @@ static DEVICE_ATTR(vbus, 0444, twl6030_usb_vbus_show, NULL);
static irqreturn_t twl6030_usb_irq(int irq, void *_twl)
{
struct twl6030_usb *twl = _twl;
- enum omap_musb_vbus_id_status status = OMAP_MUSB_UNKNOWN;
+ enum musb_vbus_id_status status = MUSB_UNKNOWN;
u8 vbus_state, hw_state;
int ret;
@@ -225,14 +225,14 @@ static irqreturn_t twl6030_usb_irq(int irq, void *_twl)
dev_err(twl->dev, "Failed to enable usb3v3\n");
twl->asleep = 1;
- status = OMAP_MUSB_VBUS_VALID;
+ status = MUSB_VBUS_VALID;
twl->linkstat = status;
- omap_musb_mailbox(status);
+ musb_mailbox(status);
} else {
- if (twl->linkstat != OMAP_MUSB_UNKNOWN) {
- status = OMAP_MUSB_VBUS_OFF;
+ if (twl->linkstat != MUSB_UNKNOWN) {
+ status = MUSB_VBUS_OFF;
twl->linkstat = status;
- omap_musb_mailbox(status);
+ musb_mailbox(status);
if (twl->asleep) {
regulator_disable(twl->usb3v3);
twl->asleep = 0;
@@ -248,7 +248,7 @@ static irqreturn_t twl6030_usb_irq(int irq, void *_twl)
static irqreturn_t twl6030_usbotg_irq(int irq, void *_twl)
{
struct twl6030_usb *twl = _twl;
- enum omap_musb_vbus_id_status status = OMAP_MUSB_UNKNOWN;
+ enum musb_vbus_id_status status = MUSB_UNKNOWN;
u8 hw_state;
int ret;
@@ -262,9 +262,9 @@ static irqreturn_t twl6030_usbotg_irq(int irq, void *_twl)
twl->asleep = 1;
twl6030_writeb(twl, TWL_MODULE_USB, 0x1, USB_ID_INT_EN_HI_CLR);
twl6030_writeb(twl, TWL_MODULE_USB, 0x10, USB_ID_INT_EN_HI_SET);
- status = OMAP_MUSB_ID_GROUND;
+ status = MUSB_ID_GROUND;
twl->linkstat = status;
- omap_musb_mailbox(status);
+ musb_mailbox(status);
} else {
twl6030_writeb(twl, TWL_MODULE_USB, 0x10, USB_ID_INT_EN_HI_CLR);
twl6030_writeb(twl, TWL_MODULE_USB, 0x1, USB_ID_INT_EN_HI_SET);
@@ -334,7 +334,7 @@ static int twl6030_usb_probe(struct platform_device *pdev)
twl->dev = &pdev->dev;
twl->irq1 = platform_get_irq(pdev, 0);
twl->irq2 = platform_get_irq(pdev, 1);
- twl->linkstat = OMAP_MUSB_UNKNOWN;
+ twl->linkstat = MUSB_UNKNOWN;
twl->comparator.set_vbus = twl6030_set_vbus;
twl->comparator.start_srp = twl6030_start_srp;
diff --git a/include/linux/usb/musb-omap.h b/include/linux/usb/musb-omap.h
deleted file mode 100644
index 7774c5986f07..000000000000
--- a/include/linux/usb/musb-omap.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * Copyright (C) 2011-2012 by Texas Instruments
- *
- * The Inventra Controller Driver for Linux is free software; you
- * can redistribute it and/or modify it under the terms of the GNU
- * General Public License version 2 as published by the Free Software
- * Foundation.
- */
-
-#ifndef __MUSB_OMAP_H__
-#define __MUSB_OMAP_H__
-
-enum omap_musb_vbus_id_status {
- OMAP_MUSB_UNKNOWN = 0,
- OMAP_MUSB_ID_GROUND,
- OMAP_MUSB_ID_FLOAT,
- OMAP_MUSB_VBUS_VALID,
- OMAP_MUSB_VBUS_OFF,
-};
-
-#if (defined(CONFIG_USB_MUSB_OMAP2PLUS) || \
- defined(CONFIG_USB_MUSB_OMAP2PLUS_MODULE))
-void omap_musb_mailbox(enum omap_musb_vbus_id_status status);
-#else
-static inline void omap_musb_mailbox(enum omap_musb_vbus_id_status status)
-{
-}
-#endif
-
-#endif /* __MUSB_OMAP_H__ */
diff --git a/include/linux/usb/musb.h b/include/linux/usb/musb.h
index fa6dc132bd1b..96ddfb7ab018 100644
--- a/include/linux/usb/musb.h
+++ b/include/linux/usb/musb.h
@@ -133,6 +133,21 @@ struct musb_hdrc_platform_data {
const void *platform_ops;
};
+enum musb_vbus_id_status {
+ MUSB_UNKNOWN = 0,
+ MUSB_ID_GROUND,
+ MUSB_ID_FLOAT,
+ MUSB_VBUS_VALID,
+ MUSB_VBUS_OFF,
+};
+
+#if IS_ENABLED(CONFIG_USB_MUSB_HDRC)
+void musb_mailbox(enum musb_vbus_id_status status);
+#else
+static inline void musb_mailbox(enum musb_vbus_id_status status)
+{
+}
+#endif
/* TUSB 6010 support */
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-05 23:43:38 +0000