summaryrefslogtreecommitdiffstats
path: root/drivers/usb/otg/msm_otg.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2012-04-14 13:18:27 +0200
committerIngo Molnar <mingo@kernel.org>2012-04-14 13:19:04 +0200
commit6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e (patch)
tree021cc9f6b477146fcebe6f3be4752abfa2ba18a9 /drivers/usb/otg/msm_otg.c
parent682968e0c425c60f0dde37977e5beb2b12ddc4cc (diff)
parenta385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff)
Merge branch 'perf/core' into perf/uprobes
Merge in latest upstream (and the latest perf development tree), to prepare for tooling changes, and also to pick up v3.4 MM changes that the uprobes code needs to take care of. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/usb/otg/msm_otg.c')
-rw-r--r--drivers/usb/otg/msm_otg.c398
1 files changed, 205 insertions, 193 deletions
diff --git a/drivers/usb/otg/msm_otg.c b/drivers/usb/otg/msm_otg.c
index b276f8fcdeb..1d0347c247d 100644
--- a/drivers/usb/otg/msm_otg.c
+++ b/drivers/usb/otg/msm_otg.c
@@ -69,9 +69,9 @@ static int msm_hsusb_init_vddcx(struct msm_otg *motg, int init)
int ret = 0;
if (init) {
- hsusb_vddcx = regulator_get(motg->otg.dev, "HSUSB_VDDCX");
+ hsusb_vddcx = regulator_get(motg->phy.dev, "HSUSB_VDDCX");
if (IS_ERR(hsusb_vddcx)) {
- dev_err(motg->otg.dev, "unable to get hsusb vddcx\n");
+ dev_err(motg->phy.dev, "unable to get hsusb vddcx\n");
return PTR_ERR(hsusb_vddcx);
}
@@ -79,7 +79,7 @@ static int msm_hsusb_init_vddcx(struct msm_otg *motg, int init)
USB_PHY_VDD_DIG_VOL_MIN,
USB_PHY_VDD_DIG_VOL_MAX);
if (ret) {
- dev_err(motg->otg.dev, "unable to set the voltage "
+ dev_err(motg->phy.dev, "unable to set the voltage "
"for hsusb vddcx\n");
regulator_put(hsusb_vddcx);
return ret;
@@ -87,18 +87,18 @@ static int msm_hsusb_init_vddcx(struct msm_otg *motg, int init)
ret = regulator_enable(hsusb_vddcx);
if (ret) {
- dev_err(motg->otg.dev, "unable to enable hsusb vddcx\n");
+ dev_err(motg->phy.dev, "unable to enable hsusb vddcx\n");
regulator_put(hsusb_vddcx);
}
} else {
ret = regulator_set_voltage(hsusb_vddcx, 0,
USB_PHY_VDD_DIG_VOL_MAX);
if (ret)
- dev_err(motg->otg.dev, "unable to set the voltage "
+ dev_err(motg->phy.dev, "unable to set the voltage "
"for hsusb vddcx\n");
ret = regulator_disable(hsusb_vddcx);
if (ret)
- dev_err(motg->otg.dev, "unable to disable hsusb vddcx\n");
+ dev_err(motg->phy.dev, "unable to disable hsusb vddcx\n");
regulator_put(hsusb_vddcx);
}
@@ -111,40 +111,40 @@ static int msm_hsusb_ldo_init(struct msm_otg *motg, int init)
int rc = 0;
if (init) {
- hsusb_3p3 = regulator_get(motg->otg.dev, "HSUSB_3p3");
+ hsusb_3p3 = regulator_get(motg->phy.dev, "HSUSB_3p3");
if (IS_ERR(hsusb_3p3)) {
- dev_err(motg->otg.dev, "unable to get hsusb 3p3\n");
+ dev_err(motg->phy.dev, "unable to get hsusb 3p3\n");
return PTR_ERR(hsusb_3p3);
}
rc = regulator_set_voltage(hsusb_3p3, USB_PHY_3P3_VOL_MIN,
USB_PHY_3P3_VOL_MAX);
if (rc) {
- dev_err(motg->otg.dev, "unable to set voltage level "
+ dev_err(motg->phy.dev, "unable to set voltage level "
"for hsusb 3p3\n");
goto put_3p3;
}
rc = regulator_enable(hsusb_3p3);
if (rc) {
- dev_err(motg->otg.dev, "unable to enable the hsusb 3p3\n");
+ dev_err(motg->phy.dev, "unable to enable the hsusb 3p3\n");
goto put_3p3;
}
- hsusb_1p8 = regulator_get(motg->otg.dev, "HSUSB_1p8");
+ hsusb_1p8 = regulator_get(motg->phy.dev, "HSUSB_1p8");
if (IS_ERR(hsusb_1p8)) {
- dev_err(motg->otg.dev, "unable to get hsusb 1p8\n");
+ dev_err(motg->phy.dev, "unable to get hsusb 1p8\n");
rc = PTR_ERR(hsusb_1p8);
goto disable_3p3;
}
rc = regulator_set_voltage(hsusb_1p8, USB_PHY_1P8_VOL_MIN,
USB_PHY_1P8_VOL_MAX);
if (rc) {
- dev_err(motg->otg.dev, "unable to set voltage level "
+ dev_err(motg->phy.dev, "unable to set voltage level "
"for hsusb 1p8\n");
goto put_1p8;
}
rc = regulator_enable(hsusb_1p8);
if (rc) {
- dev_err(motg->otg.dev, "unable to enable the hsusb 1p8\n");
+ dev_err(motg->phy.dev, "unable to enable the hsusb 1p8\n");
goto put_1p8;
}
@@ -235,9 +235,9 @@ static int msm_hsusb_ldo_set_mode(int on)
return ret < 0 ? ret : 0;
}
-static int ulpi_read(struct otg_transceiver *otg, u32 reg)
+static int ulpi_read(struct usb_phy *phy, u32 reg)
{
- struct msm_otg *motg = container_of(otg, struct msm_otg, otg);
+ struct msm_otg *motg = container_of(phy, struct msm_otg, phy);
int cnt = 0;
/* initiate read operation */
@@ -253,16 +253,16 @@ static int ulpi_read(struct otg_transceiver *otg, u32 reg)
}
if (cnt >= ULPI_IO_TIMEOUT_USEC) {
- dev_err(otg->dev, "ulpi_read: timeout %08x\n",
+ dev_err(phy->dev, "ulpi_read: timeout %08x\n",
readl(USB_ULPI_VIEWPORT));
return -ETIMEDOUT;
}
return ULPI_DATA_READ(readl(USB_ULPI_VIEWPORT));
}
-static int ulpi_write(struct otg_transceiver *otg, u32 val, u32 reg)
+static int ulpi_write(struct usb_phy *phy, u32 val, u32 reg)
{
- struct msm_otg *motg = container_of(otg, struct msm_otg, otg);
+ struct msm_otg *motg = container_of(phy, struct msm_otg, phy);
int cnt = 0;
/* initiate write operation */
@@ -279,13 +279,13 @@ static int ulpi_write(struct otg_transceiver *otg, u32 val, u32 reg)
}
if (cnt >= ULPI_IO_TIMEOUT_USEC) {
- dev_err(otg->dev, "ulpi_write: timeout\n");
+ dev_err(phy->dev, "ulpi_write: timeout\n");
return -ETIMEDOUT;
}
return 0;
}
-static struct otg_io_access_ops msm_otg_io_ops = {
+static struct usb_phy_io_ops msm_otg_io_ops = {
.read = ulpi_read,
.write = ulpi_write,
};
@@ -299,9 +299,9 @@ static void ulpi_init(struct msm_otg *motg)
return;
while (seq[0] >= 0) {
- dev_vdbg(motg->otg.dev, "ulpi: write 0x%02x to 0x%02x\n",
+ dev_vdbg(motg->phy.dev, "ulpi: write 0x%02x to 0x%02x\n",
seq[0], seq[1]);
- ulpi_write(&motg->otg, seq[0], seq[1]);
+ ulpi_write(&motg->phy, seq[0], seq[1]);
seq += 2;
}
}
@@ -313,11 +313,11 @@ static int msm_otg_link_clk_reset(struct msm_otg *motg, bool assert)
if (assert) {
ret = clk_reset(motg->clk, CLK_RESET_ASSERT);
if (ret)
- dev_err(motg->otg.dev, "usb hs_clk assert failed\n");
+ dev_err(motg->phy.dev, "usb hs_clk assert failed\n");
} else {
ret = clk_reset(motg->clk, CLK_RESET_DEASSERT);
if (ret)
- dev_err(motg->otg.dev, "usb hs_clk deassert failed\n");
+ dev_err(motg->phy.dev, "usb hs_clk deassert failed\n");
}
return ret;
}
@@ -328,13 +328,13 @@ static int msm_otg_phy_clk_reset(struct msm_otg *motg)
ret = clk_reset(motg->phy_reset_clk, CLK_RESET_ASSERT);
if (ret) {
- dev_err(motg->otg.dev, "usb phy clk assert failed\n");
+ dev_err(motg->phy.dev, "usb phy clk assert failed\n");
return ret;
}
usleep_range(10000, 12000);
ret = clk_reset(motg->phy_reset_clk, CLK_RESET_DEASSERT);
if (ret)
- dev_err(motg->otg.dev, "usb phy clk deassert failed\n");
+ dev_err(motg->phy.dev, "usb phy clk deassert failed\n");
return ret;
}
@@ -358,7 +358,7 @@ static int msm_otg_phy_reset(struct msm_otg *motg)
writel(val | PORTSC_PTS_ULPI, USB_PORTSC);
for (retries = 3; retries > 0; retries--) {
- ret = ulpi_write(&motg->otg, ULPI_FUNC_CTRL_SUSPENDM,
+ ret = ulpi_write(&motg->phy, ULPI_FUNC_CTRL_SUSPENDM,
ULPI_CLR(ULPI_FUNC_CTRL));
if (!ret)
break;
@@ -375,7 +375,7 @@ static int msm_otg_phy_reset(struct msm_otg *motg)
return ret;
for (retries = 3; retries > 0; retries--) {
- ret = ulpi_read(&motg->otg, ULPI_DEBUG);
+ ret = ulpi_read(&motg->phy, ULPI_DEBUG);
if (ret != -ETIMEDOUT)
break;
ret = msm_otg_phy_clk_reset(motg);
@@ -385,14 +385,14 @@ static int msm_otg_phy_reset(struct msm_otg *motg)
if (!retries)
return -ETIMEDOUT;
- dev_info(motg->otg.dev, "phy_reset: success\n");
+ dev_info(motg->phy.dev, "phy_reset: success\n");
return 0;
}
#define LINK_RESET_TIMEOUT_USEC (250 * 1000)
-static int msm_otg_reset(struct otg_transceiver *otg)
+static int msm_otg_reset(struct usb_phy *phy)
{
- struct msm_otg *motg = container_of(otg, struct msm_otg, otg);
+ struct msm_otg *motg = container_of(phy, struct msm_otg, phy);
struct msm_otg_platform_data *pdata = motg->pdata;
int cnt = 0;
int ret;
@@ -401,7 +401,7 @@ static int msm_otg_reset(struct otg_transceiver *otg)
ret = msm_otg_phy_reset(motg);
if (ret) {
- dev_err(otg->dev, "phy_reset failed\n");
+ dev_err(phy->dev, "phy_reset failed\n");
return ret;
}
@@ -435,8 +435,8 @@ static int msm_otg_reset(struct otg_transceiver *otg)
val |= OTGSC_BSVIE;
}
writel(val, USB_OTGSC);
- ulpi_write(otg, ulpi_val, ULPI_USB_INT_EN_RISE);
- ulpi_write(otg, ulpi_val, ULPI_USB_INT_EN_FALL);
+ ulpi_write(phy, ulpi_val, ULPI_USB_INT_EN_RISE);
+ ulpi_write(phy, ulpi_val, ULPI_USB_INT_EN_FALL);
}
return 0;
@@ -448,8 +448,8 @@ static int msm_otg_reset(struct otg_transceiver *otg)
#ifdef CONFIG_PM_SLEEP
static int msm_otg_suspend(struct msm_otg *motg)
{
- struct otg_transceiver *otg = &motg->otg;
- struct usb_bus *bus = otg->host;
+ struct usb_phy *phy = &motg->phy;
+ struct usb_bus *bus = phy->otg->host;
struct msm_otg_platform_data *pdata = motg->pdata;
int cnt = 0;
@@ -475,10 +475,10 @@ static int msm_otg_suspend(struct msm_otg *motg)
*/
if (motg->pdata->phy_type == CI_45NM_INTEGRATED_PHY) {
- ulpi_read(otg, 0x14);
+ ulpi_read(phy, 0x14);
if (pdata->otg_control == OTG_PHY_CONTROL)
- ulpi_write(otg, 0x01, 0x30);
- ulpi_write(otg, 0x08, 0x09);
+ ulpi_write(phy, 0x01, 0x30);
+ ulpi_write(phy, 0x08, 0x09);
}
/*
@@ -495,8 +495,8 @@ static int msm_otg_suspend(struct msm_otg *motg)
}
if (cnt >= PHY_SUSPEND_TIMEOUT_USEC) {
- dev_err(otg->dev, "Unable to suspend PHY\n");
- msm_otg_reset(otg);
+ dev_err(phy->dev, "Unable to suspend PHY\n");
+ msm_otg_reset(phy);
enable_irq(motg->irq);
return -ETIMEDOUT;
}
@@ -528,7 +528,7 @@ static int msm_otg_suspend(struct msm_otg *motg)
msm_hsusb_config_vddcx(0);
}
- if (device_may_wakeup(otg->dev))
+ if (device_may_wakeup(phy->dev))
enable_irq_wake(motg->irq);
if (bus)
clear_bit(HCD_FLAG_HW_ACCESSIBLE, &(bus_to_hcd(bus))->flags);
@@ -536,15 +536,15 @@ static int msm_otg_suspend(struct msm_otg *motg)
atomic_set(&motg->in_lpm, 1);
enable_irq(motg->irq);
- dev_info(otg->dev, "USB in low power mode\n");
+ dev_info(phy->dev, "USB in low power mode\n");
return 0;
}
static int msm_otg_resume(struct msm_otg *motg)
{
- struct otg_transceiver *otg = &motg->otg;
- struct usb_bus *bus = otg->host;
+ struct usb_phy *phy = &motg->phy;
+ struct usb_bus *bus = phy->otg->host;
int cnt = 0;
unsigned temp;
@@ -592,13 +592,13 @@ static int msm_otg_resume(struct msm_otg *motg)
* PHY. USB state can not be restored. Re-insertion
* of USB cable is the only way to get USB working.
*/
- dev_err(otg->dev, "Unable to resume USB."
+ dev_err(phy->dev, "Unable to resume USB."
"Re-plugin the cable\n");
- msm_otg_reset(otg);
+ msm_otg_reset(phy);
}
skip_phy_resume:
- if (device_may_wakeup(otg->dev))
+ if (device_may_wakeup(phy->dev))
disable_irq_wake(motg->irq);
if (bus)
set_bit(HCD_FLAG_HW_ACCESSIBLE, &(bus_to_hcd(bus))->flags);
@@ -607,11 +607,11 @@ skip_phy_resume:
if (motg->async_int) {
motg->async_int = 0;
- pm_runtime_put(otg->dev);
+ pm_runtime_put(phy->dev);
enable_irq(motg->irq);
}
- dev_info(otg->dev, "USB exited from low power mode\n");
+ dev_info(phy->dev, "USB exited from low power mode\n");
return 0;
}
@@ -623,13 +623,13 @@ static void msm_otg_notify_charger(struct msm_otg *motg, unsigned mA)
return;
/* TODO: Notify PMIC about available current */
- dev_info(motg->otg.dev, "Avail curr from USB = %u\n", mA);
+ dev_info(motg->phy.dev, "Avail curr from USB = %u\n", mA);
motg->cur_power = mA;
}
-static int msm_otg_set_power(struct otg_transceiver *otg, unsigned mA)
+static int msm_otg_set_power(struct usb_phy *phy, unsigned mA)
{
- struct msm_otg *motg = container_of(otg, struct msm_otg, otg);
+ struct msm_otg *motg = container_of(phy, struct msm_otg, phy);
/*
* Gadget driver uses set_power method to notify about the
@@ -644,19 +644,19 @@ static int msm_otg_set_power(struct otg_transceiver *otg, unsigned mA)
return 0;
}
-static void msm_otg_start_host(struct otg_transceiver *otg, int on)
+static void msm_otg_start_host(struct usb_phy *phy, int on)
{
- struct msm_otg *motg = container_of(otg, struct msm_otg, otg);
+ struct msm_otg *motg = container_of(phy, struct msm_otg, phy);
struct msm_otg_platform_data *pdata = motg->pdata;
struct usb_hcd *hcd;
- if (!otg->host)
+ if (!phy->otg->host)
return;
- hcd = bus_to_hcd(otg->host);
+ hcd = bus_to_hcd(phy->otg->host);
if (on) {
- dev_dbg(otg->dev, "host on\n");
+ dev_dbg(phy->dev, "host on\n");
if (pdata->vbus_power)
pdata->vbus_power(1);
@@ -671,7 +671,7 @@ static void msm_otg_start_host(struct otg_transceiver *otg, int on)
usb_add_hcd(hcd, hcd->irq, IRQF_SHARED);
#endif
} else {
- dev_dbg(otg->dev, "host off\n");
+ dev_dbg(phy->dev, "host off\n");
#ifdef CONFIG_USB
usb_remove_hcd(hcd);
@@ -683,9 +683,9 @@ static void msm_otg_start_host(struct otg_transceiver *otg, int on)
}
}
-static int msm_otg_set_host(struct otg_transceiver *otg, struct usb_bus *host)
+static int msm_otg_set_host(struct usb_otg *otg, struct usb_bus *host)
{
- struct msm_otg *motg = container_of(otg, struct msm_otg, otg);
+ struct msm_otg *motg = container_of(otg->phy, struct msm_otg, phy);
struct usb_hcd *hcd;
/*
@@ -693,16 +693,16 @@ static int msm_otg_set_host(struct otg_transceiver *otg, struct usb_bus *host)
* only peripheral configuration.
*/
if (motg->pdata->mode == USB_PERIPHERAL) {
- dev_info(otg->dev, "Host mode is not supported\n");
+ dev_info(otg->phy->dev, "Host mode is not supported\n");
return -ENODEV;
}
if (!host) {
- if (otg->state == OTG_STATE_A_HOST) {
- pm_runtime_get_sync(otg->dev);
- msm_otg_start_host(otg, 0);
+ if (otg->phy->state == OTG_STATE_A_HOST) {
+ pm_runtime_get_sync(otg->phy->dev);
+ msm_otg_start_host(otg->phy, 0);
otg->host = NULL;
- otg->state = OTG_STATE_UNDEFINED;
+ otg->phy->state = OTG_STATE_UNDEFINED;
schedule_work(&motg->sm_work);
} else {
otg->host = NULL;
@@ -715,30 +715,30 @@ static int msm_otg_set_host(struct otg_transceiver *otg, struct usb_bus *host)
hcd->power_budget = motg->pdata->power_budget;
otg->host = host;
- dev_dbg(otg->dev, "host driver registered w/ tranceiver\n");
+ dev_dbg(otg->phy->dev, "host driver registered w/ tranceiver\n");
/*
* Kick the state machine work, if peripheral is not supported
* or peripheral is already registered with us.
*/
if (motg->pdata->mode == USB_HOST || otg->gadget) {
- pm_runtime_get_sync(otg->dev);
+ pm_runtime_get_sync(otg->phy->dev);
schedule_work(&motg->sm_work);
}
return 0;
}
-static void msm_otg_start_peripheral(struct otg_transceiver *otg, int on)
+static void msm_otg_start_peripheral(struct usb_phy *phy, int on)
{
- struct msm_otg *motg = container_of(otg, struct msm_otg, otg);
+ struct msm_otg *motg = container_of(phy, struct msm_otg, phy);
struct msm_otg_platform_data *pdata = motg->pdata;
- if (!otg->gadget)
+ if (!phy->otg->gadget)
return;
if (on) {
- dev_dbg(otg->dev, "gadget on\n");
+ dev_dbg(phy->dev, "gadget on\n");
/*
* Some boards have a switch cotrolled by gpio
* to enable/disable internal HUB. Disable internal
@@ -746,36 +746,36 @@ static void msm_otg_start_peripheral(struct otg_transceiver *otg, int on)
*/
if (pdata->setup_gpio)
pdata->setup_gpio(OTG_STATE_B_PERIPHERAL);
- usb_gadget_vbus_connect(otg->gadget);
+ usb_gadget_vbus_connect(phy->otg->gadget);
} else {
- dev_dbg(otg->dev, "gadget off\n");
- usb_gadget_vbus_disconnect(otg->gadget);
+ dev_dbg(phy->dev, "gadget off\n");
+ usb_gadget_vbus_disconnect(phy->otg->gadget);
if (pdata->setup_gpio)
pdata->setup_gpio(OTG_STATE_UNDEFINED);
}
}
-static int msm_otg_set_peripheral(struct otg_transceiver *otg,
- struct usb_gadget *gadget)
+static int msm_otg_set_peripheral(struct usb_otg *otg,
+ struct usb_gadget *gadget)
{
- struct msm_otg *motg = container_of(otg, struct msm_otg, otg);
+ struct msm_otg *motg = container_of(otg->phy, struct msm_otg, phy);
/*
* Fail peripheral registration if this board can support
* only host configuration.
*/
if (motg->pdata->mode == USB_HOST) {
- dev_info(otg->dev, "Peripheral mode is not supported\n");
+ dev_info(otg->phy->dev, "Peripheral mode is not supported\n");
return -ENODEV;
}
if (!gadget) {
- if (otg->state == OTG_STATE_B_PERIPHERAL) {
- pm_runtime_get_sync(otg->dev);
- msm_otg_start_peripheral(otg, 0);
+ if (otg->phy->state == OTG_STATE_B_PERIPHERAL) {
+ pm_runtime_get_sync(otg->phy->dev);
+ msm_otg_start_peripheral(otg->phy, 0);
otg->gadget = NULL;
- otg->state = OTG_STATE_UNDEFINED;
+ otg->phy->state = OTG_STATE_UNDEFINED;
schedule_work(&motg->sm_work);
} else {
otg->gadget = NULL;
@@ -784,14 +784,14 @@ static int msm_otg_set_peripheral(struct otg_transceiver *otg,
return 0;
}
otg->gadget = gadget;
- dev_dbg(otg->dev, "peripheral driver registered w/ tranceiver\n");
+ dev_dbg(otg->phy->dev, "peripheral driver registered w/ tranceiver\n");
/*
* Kick the state machine work, if host is not supported
* or host is already registered with us.
*/
if (motg->pdata->mode == USB_PERIPHERAL || otg->host) {
- pm_runtime_get_sync(otg->dev);
+ pm_runtime_get_sync(otg->phy->dev);
schedule_work(&motg->sm_work);
}
@@ -800,17 +800,17 @@ static int msm_otg_set_peripheral(struct otg_transceiver *otg,
static bool msm_chg_check_secondary_det(struct msm_otg *motg)
{
- struct otg_transceiver *otg = &motg->otg;
+ struct usb_phy *phy = &motg->phy;
u32 chg_det;
bool ret = false;
switch (motg->pdata->phy_type) {
case CI_45NM_INTEGRATED_PHY:
- chg_det = ulpi_read(otg, 0x34);
+ chg_det = ulpi_read(phy, 0x34);
ret = chg_det & (1 << 4);
break;
case SNPS_28NM_INTEGRATED_PHY:
- chg_det = ulpi_read(otg, 0x87);
+ chg_det = ulpi_read(phy, 0x87);
ret = chg_det & 1;
break;
default:
@@ -821,38 +821,38 @@ static bool msm_chg_check_secondary_det(struct msm_otg *motg)
static void msm_chg_enable_secondary_det(struct msm_otg *motg)
{
- struct otg_transceiver *otg = &motg->otg;
+ struct usb_phy *phy = &motg->phy;
u32 chg_det;
switch (motg->pdata->phy_type) {
case CI_45NM_INTEGRATED_PHY:
- chg_det = ulpi_read(otg, 0x34);
+ chg_det = ulpi_read(phy, 0x34);
/* Turn off charger block */
chg_det |= ~(1 << 1);
- ulpi_write(otg, chg_det, 0x34);
+ ulpi_write(phy, chg_det, 0x34);
udelay(20);
/* control chg block via ULPI */
chg_det &= ~(1 << 3);
- ulpi_write(otg, chg_det, 0x34);
+ ulpi_write(phy, chg_det, 0x34);
/* put it in host mode for enabling D- source */
chg_det &= ~(1 << 2);
- ulpi_write(otg, chg_det, 0x34);
+ ulpi_write(phy, chg_det, 0x34);
/* Turn on chg detect block */
chg_det &= ~(1 << 1);
- ulpi_write(otg, chg_det, 0x34);
+ ulpi_write(phy, chg_det, 0x34);
udelay(20);
/* enable chg detection */
chg_det &= ~(1 << 0);
- ulpi_write(otg, chg_det, 0x34);
+ ulpi_write(phy, chg_det, 0x34);
break;
case SNPS_28NM_INTEGRATED_PHY:
/*
* Configure DM as current source, DP as current sink
* and enable battery charging comparators.
*/
- ulpi_write(otg, 0x8, 0x85);
- ulpi_write(otg, 0x2, 0x85);
- ulpi_write(otg, 0x1, 0x85);
+ ulpi_write(phy, 0x8, 0x85);
+ ulpi_write(phy, 0x2, 0x85);
+ ulpi_write(phy, 0x1, 0x85);
break;
default:
break;
@@ -861,17 +861,17 @@ static void msm_chg_enable_secondary_det(struct msm_otg *motg)
static bool msm_chg_check_primary_det(struct msm_otg *motg)
{
- struct otg_transceiver *otg = &motg->otg;
+ struct usb_phy *phy = &motg->phy;
u32 chg_det;
bool ret = false;
switch (motg->pdata->phy_type) {
case CI_45NM_INTEGRATED_PHY:
- chg_det = ulpi_read(otg, 0x34);
+ chg_det = ulpi_read(phy, 0x34);
ret = chg_det & (1 << 4);
break;
case SNPS_28NM_INTEGRATED_PHY:
- chg_det = ulpi_read(otg, 0x87);
+ chg_det = ulpi_read(phy, 0x87);
ret = chg_det & 1;
break;
default:
@@ -882,23 +882,23 @@ static bool msm_chg_check_primary_det(struct msm_otg *motg)
static void msm_chg_enable_primary_det(struct msm_otg *motg)
{
- struct otg_transceiver *otg = &motg->otg;
+ struct usb_phy *phy = &motg->phy;
u32 chg_det;
switch (motg->pdata->phy_type) {
case CI_45NM_INTEGRATED_PHY:
- chg_det = ulpi_read(otg, 0x34);
+ chg_det = ulpi_read(phy, 0x34);
/* enable chg detection */
chg_det &= ~(1 << 0);
- ulpi_write(otg, chg_det, 0x34);
+ ulpi_write(phy, chg_det, 0x34);
break;
case SNPS_28NM_INTEGRATED_PHY:
/*
* Configure DP as current source, DM as current sink
* and enable battery charging comparators.
*/
- ulpi_write(otg, 0x2, 0x85);
- ulpi_write(otg, 0x1, 0x85);
+ ulpi_write(phy, 0x2, 0x85);
+ ulpi_write(phy, 0x1, 0x85);
break;
default:
break;
@@ -907,17 +907,17 @@ static void msm_chg_enable_primary_det(struct msm_otg *motg)
static bool msm_chg_check_dcd(struct msm_otg *motg)
{
- struct otg_transceiver *otg = &motg->otg;
+ struct usb_phy *phy = &motg->phy;
u32 line_state;
bool ret = false;
switch (motg->pdata->phy_type) {
case CI_45NM_INTEGRATED_PHY:
- line_state = ulpi_read(otg, 0x15);
+ line_state = ulpi_read(phy, 0x15);
ret = !(line_state & 1);
break;
case SNPS_28NM_INTEGRATED_PHY:
- line_state = ulpi_read(otg, 0x87);
+ line_state = ulpi_read(phy, 0x87);
ret = line_state & 2;
break;
default:
@@ -928,17 +928,17 @@ static bool msm_chg_check_dcd(struct msm_otg *motg)
static void msm_chg_disable_dcd(struct msm_otg *motg)
{
- struct otg_transceiver *otg = &motg->otg;
+ struct usb_phy *phy = &motg->phy;
u32 chg_det;
switch (motg->pdata->phy_type) {
case CI_45NM_INTEGRATED_PHY:
- chg_det = ulpi_read(otg, 0x34);
+ chg_det = ulpi_read(phy, 0x34);
chg_det &= ~(1 << 5);
- ulpi_write(otg, chg_det, 0x34);
+ ulpi_write(phy, chg_det, 0x34);
break;
case SNPS_28NM_INTEGRATED_PHY:
- ulpi_write(otg, 0x10, 0x86);
+ ulpi_write(phy, 0x10, 0x86);
break;
default:
break;
@@ -947,19 +947,19 @@ static void msm_chg_disable_dcd(struct msm_otg *motg)
static void msm_chg_enable_dcd(struct msm_otg *motg)
{
- struct otg_transceiver *otg = &motg->otg;
+ struct usb_phy *phy = &motg->phy;
u32 chg_det;
switch (motg->pdata->phy_type) {
case CI_45NM_INTEGRATED_PHY:
- chg_det = ulpi_read(otg, 0x34);
+ chg_det = ulpi_read(phy, 0x34);
/* Turn on D+ current source */
chg_det |= (1 << 5);
- ulpi_write(otg, chg_det, 0x34);
+ ulpi_write(phy, chg_det, 0x34);
break;
case SNPS_28NM_INTEGRATED_PHY:
/* Data contact detection enable */
- ulpi_write(otg, 0x10, 0x85);
+ ulpi_write(phy, 0x10, 0x85);
break;
default:
break;
@@ -968,32 +968,32 @@ static void msm_chg_enable_dcd(struct msm_otg *motg)
static void msm_chg_block_on(struct msm_otg *motg)
{
- struct otg_transceiver *otg = &motg->otg;
+ struct usb_phy *phy = &motg->phy;
u32 func_ctrl, chg_det;
/* put the controller in non-driving mode */
- func_ctrl = ulpi_read(otg, ULPI_FUNC_CTRL);
+ func_ctrl = ulpi_read(phy, ULPI_FUNC_CTRL);
func_ctrl &= ~ULPI_FUNC_CTRL_OPMODE_MASK;
func_ctrl |= ULPI_FUNC_CTRL_OPMODE_NONDRIVING;
- ulpi_write(otg, func_ctrl, ULPI_FUNC_CTRL);
+ ulpi_write(phy, func_ctrl, ULPI_FUNC_CTRL);
switch (motg->pdata->phy_type) {
case CI_45NM_INTEGRATED_PHY:
- chg_det = ulpi_read(otg, 0x34);
+ chg_det = ulpi_read(phy, 0x34);
/* control chg block via ULPI */
chg_det &= ~(1 << 3);
- ulpi_write(otg, chg_det, 0x34);
+ ulpi_write(phy, chg_det, 0x34);
/* Turn on chg detect block */
chg_det &= ~(1 << 1);
- ulpi_write(otg, chg_det, 0x34);
+ ulpi_write(phy, chg_det, 0x34);
udelay(20);
break;
case SNPS_28NM_INTEGRATED_PHY:
/* Clear charger detecting control bits */
- ulpi_write(otg, 0x3F, 0x86);
+ ulpi_write(phy, 0x3F, 0x86);
/* Clear alt interrupt latch and enable bits */
- ulpi_write(otg, 0x1F, 0x92);
- ulpi_write(otg, 0x1F, 0x95);
+ ulpi_write(phy, 0x1F, 0x92);
+ ulpi_write(phy, 0x1F, 0x95);
udelay(100);
break;
default:
@@ -1003,32 +1003,32 @@ static void msm_chg_block_on(struct msm_otg *motg)
static void msm_chg_block_off(struct msm_otg *motg)
{
- struct otg_transceiver *otg = &motg->otg;
+ struct usb_phy *phy = &motg->phy;
u32 func_ctrl, chg_det;
switch (motg->pdata->phy_type) {
case CI_45NM_INTEGRATED_PHY:
- chg_det = ulpi_read(otg, 0x34);
+ chg_det = ulpi_read(phy, 0x34);
/* Turn off charger block */
chg_det |= ~(1 << 1);
- ulpi_write(otg, chg_det, 0x34);
+ ulpi_write(phy, chg_det, 0x34);
break;
case SNPS_28NM_INTEGRATED_PHY:
/* Clear charger detecting control bits */
- ulpi_write(otg, 0x3F, 0x86);
+ ulpi_write(phy, 0x3F, 0x86);
/* Clear alt interrupt latch and enable bits */
- ulpi_write(otg, 0x1F, 0x92);
- ulpi_write(otg, 0x1F, 0x95);
+ ulpi_write(phy, 0x1F, 0x92);
+ ulpi_write(phy, 0x1F, 0x95);
break;
default:
break;
}
/* put the controller in normal mode */
- func_ctrl = ulpi_read(otg, ULPI_FUNC_CTRL);
+ func_ctrl = ulpi_read(phy, ULPI_FUNC_CTRL);
func_ctrl &= ~ULPI_FUNC_CTRL_OPMODE_MASK;
func_ctrl |= ULPI_FUNC_CTRL_OPMODE_NORMAL;
- ulpi_write(otg, func_ctrl, ULPI_FUNC_CTRL);
+ ulpi_write(phy, func_ctrl, ULPI_FUNC_CTRL);
}
#define MSM_CHG_DCD_POLL_TIME (100 * HZ/1000) /* 100 msec */
@@ -1038,14 +1038,14 @@ static void msm_chg_block_off(struct msm_otg *motg)
static void msm_chg_detect_work(struct work_struct *w)
{
struct msm_otg *motg = container_of(w, struct msm_otg, chg_work.work);
- struct otg_transceiver *otg = &motg->otg;
+ struct usb_phy *phy = &motg->phy;
bool is_dcd, tmout, vout;
unsigned long delay;
- dev_dbg(otg->dev, "chg detection work\n");
+ dev_dbg(phy->dev, "chg detection work\n");
switch (motg->chg_state) {
case USB_CHG_STATE_UNDEFINED:
- pm_runtime_get_sync(otg->dev);
+ pm_runtime_get_sync(phy->dev);
msm_chg_block_on(motg);
msm_chg_enable_dcd(motg);
motg->chg_state = USB_CHG_STATE_WAIT_FOR_DCD;
@@ -1088,7 +1088,7 @@ static void msm_chg_detect_work(struct work_struct *w)
motg->chg_state = USB_CHG_STATE_DETECTED;
case USB_CHG_STATE_DETECTED:
msm_chg_block_off(motg);
- dev_dbg(otg->dev, "charger = %d\n", motg->chg_type);
+ dev_dbg(phy->dev, "charger = %d\n", motg->chg_type);
schedule_work(&motg->sm_work);
return;
default:
@@ -1152,22 +1152,22 @@ static void msm_otg_init_sm(struct msm_otg *motg)
static void msm_otg_sm_work(struct work_struct *w)
{
struct msm_otg *motg = container_of(w, struct msm_otg, sm_work);
- struct otg_transceiver *otg = &motg->otg;
+ struct usb_otg *otg = motg->phy.otg;
- switch (otg->state) {
+ switch (otg->phy->state) {
case OTG_STATE_UNDEFINED:
- dev_dbg(otg->dev, "OTG_STATE_UNDEFINED state\n");
- msm_otg_reset(otg);
+ dev_dbg(otg->phy->dev, "OTG_STATE_UNDEFINED state\n");
+ msm_otg_reset(otg->phy);
msm_otg_init_sm(motg);
- otg->state = OTG_STATE_B_IDLE;
+ otg->phy->state = OTG_STATE_B_IDLE;
/* FALL THROUGH */
case OTG_STATE_B_IDLE:
- dev_dbg(otg->dev, "OTG_STATE_B_IDLE state\n");
+ dev_dbg(otg->phy->dev, "OTG_STATE_B_IDLE state\n");
if (!test_bit(ID, &motg->inputs) && otg->host) {
/* disable BSV bit */
writel(readl(USB_OTGSC) & ~OTGSC_BSVIE, USB_OTGSC);
- msm_otg_start_host(otg, 1);
- otg->state = OTG_STATE_A_HOST;
+ msm_otg_start_host(otg->phy, 1);
+ otg->phy->state = OTG_STATE_A_HOST;
} else if (test_bit(B_SESS_VLD, &motg->inputs)) {
switch (motg->chg_state) {
case USB_CHG_STATE_UNDEFINED:
@@ -1182,13 +1182,15 @@ static void msm_otg_sm_work(struct work_struct *w)
case USB_CDP_CHARGER:
msm_otg_notify_charger(motg,
IDEV_CHG_MAX);
- msm_otg_start_peripheral(otg, 1);
- otg->state = OTG_STATE_B_PERIPHERAL;
+ msm_otg_start_peripheral(otg->phy, 1);
+ otg->phy->state
+ = OTG_STATE_B_PERIPHERAL;
break;
case USB_SDP_CHARGER:
msm_otg_notify_charger(motg, IUNIT);
- msm_otg_start_peripheral(otg, 1);
- otg->state = OTG_STATE_B_PERIPHERAL;
+ msm_otg_start_peripheral(otg->phy, 1);
+ otg->phy->state
+ = OTG_STATE_B_PERIPHERAL;
break;
default:
break;
@@ -1204,34 +1206,34 @@ static void msm_otg_sm_work(struct work_struct *w)
* is incremented in charger detection work.
*/
if (cancel_delayed_work_sync(&motg->chg_work)) {
- pm_runtime_put_sync(otg->dev);
- msm_otg_reset(otg);
+ pm_runtime_put_sync(otg->phy->dev);
+ msm_otg_reset(otg->phy);
}
msm_otg_notify_charger(motg, 0);
motg->chg_state = USB_CHG_STATE_UNDEFINED;
motg->chg_type = USB_INVALID_CHARGER;
}
- pm_runtime_put_sync(otg->dev);
+ pm_runtime_put_sync(otg->phy->dev);
break;
case OTG_STATE_B_PERIPHERAL:
- dev_dbg(otg->dev, "OTG_STATE_B_PERIPHERAL state\n");
+ dev_dbg(otg->phy->dev, "OTG_STATE_B_PERIPHERAL state\n");
if (!test_bit(B_SESS_VLD, &motg->inputs) ||
!test_bit(ID, &motg->inputs)) {
msm_otg_notify_charger(motg, 0);
- msm_otg_start_peripheral(otg, 0);
+ msm_otg_start_peripheral(otg->phy, 0);
motg->chg_state = USB_CHG_STATE_UNDEFINED;
motg->chg_type = USB_INVALID_CHARGER;
- otg->state = OTG_STATE_B_IDLE;
- msm_otg_reset(otg);
+ otg->phy->state = OTG_STATE_B_IDLE;
+ msm_otg_reset(otg->phy);
schedule_work(w);
}
break;
case OTG_STATE_A_HOST:
- dev_dbg(otg->dev, "OTG_STATE_A_HOST state\n");
+ dev_dbg(otg->phy->dev, "OTG_STATE_A_HOST state\n");
if (test_bit(ID, &motg->inputs)) {
- msm_otg_start_host(otg, 0);
- otg->state = OTG_STATE_B_IDLE;
- msm_otg_reset(otg);
+ msm_otg_start_host(otg->phy, 0);
+ otg->phy->state = OTG_STATE_B_IDLE;
+ msm_otg_reset(otg->phy);
schedule_work(w);
}
break;
@@ -1243,13 +1245,13 @@ static void msm_otg_sm_work(struct work_struct *w)
static irqreturn_t msm_otg_irq(int irq, void *data)
{
struct msm_otg *motg = data;
- struct otg_transceiver *otg = &motg->otg;
+ struct usb_phy *phy = &motg->phy;
u32 otgsc = 0;
if (atomic_read(&motg->in_lpm)) {
disable_irq_nosync(irq);
motg->async_int = 1;
- pm_runtime_get(otg->dev);
+ pm_runtime_get(phy->dev);
return IRQ_HANDLED;
}
@@ -1262,15 +1264,15 @@ static irqreturn_t msm_otg_irq(int irq, void *data)
set_bit(ID, &motg->inputs);
else
clear_bit(ID, &motg->inputs);
- dev_dbg(otg->dev, "ID set/clear\n");
- pm_runtime_get_noresume(otg->dev);
+ dev_dbg(phy->dev, "ID set/clear\n");
+ pm_runtime_get_noresume(phy->dev);
} else if ((otgsc & OTGSC_BSVIS) && (otgsc & OTGSC_BSVIE)) {
if (otgsc & OTGSC_BSV)
set_bit(B_SESS_VLD, &motg->inputs);
else
clear_bit(B_SESS_VLD, &motg->inputs);
- dev_dbg(otg->dev, "BSV set/clear\n");
- pm_runtime_get_noresume(otg->dev);
+ dev_dbg(phy->dev, "BSV set/clear\n");
+ pm_runtime_get_noresume(phy->dev);
}
writel(otgsc, USB_OTGSC);
@@ -1281,9 +1283,9 @@ static irqreturn_t msm_otg_irq(int irq, void *data)
static int msm_otg_mode_show(struct seq_file *s, void *unused)
{
struct msm_otg *motg = s->private;
- struct otg_transceiver *otg = &motg->otg;
+ struct usb_otg *otg = motg->phy.otg;
- switch (otg->state) {
+ switch (otg->phy->state) {
case OTG_STATE_A_HOST:
seq_printf(s, "host\n");
break;
@@ -1309,7 +1311,7 @@ static ssize_t msm_otg_mode_write(struct file *file, const char __user *ubuf,
struct seq_file *s = file->private_data;
struct msm_otg *motg = s->private;
char buf[16];
- struct otg_transceiver *otg = &motg->otg;
+ struct usb_otg *otg = motg->phy.otg;
int status = count;
enum usb_mode_type req_mode;
@@ -1333,7 +1335,7 @@ static ssize_t msm_otg_mode_write(struct file *file, const char __user *ubuf,
switch (req_mode) {
case USB_NONE:
- switch (otg->state) {
+ switch (otg->phy->state) {
case OTG_STATE_A_HOST:
case OTG_STATE_B_PERIPHERAL:
set_bit(ID, &motg->inputs);
@@ -1344,7 +1346,7 @@ static ssize_t msm_otg_mode_write(struct file *file, const char __user *ubuf,
}
break;
case USB_PERIPHERAL:
- switch (otg->state) {
+ switch (otg->phy->state) {
case OTG_STATE_B_IDLE:
case OTG_STATE_A_HOST:
set_bit(ID, &motg->inputs);
@@ -1355,7 +1357,7 @@ static ssize_t msm_otg_mode_write(struct file *file, const char __user *ubuf,
}
break;
case USB_HOST:
- switch (otg->state) {
+ switch (otg->phy->state) {
case OTG_STATE_B_IDLE:
case OTG_STATE_B_PERIPHERAL:
clear_bit(ID, &motg->inputs);
@@ -1368,7 +1370,7 @@ static ssize_t msm_otg_mode_write(struct file *file, const char __user *ubuf,
goto out;
}
- pm_runtime_get_sync(otg->dev);
+ pm_runtime_get_sync(otg->phy->dev);
schedule_work(&motg->sm_work);
out:
return status;
@@ -1414,7 +1416,7 @@ static int __init msm_otg_probe(struct platform_device *pdev)
int ret = 0;
struct resource *res;
struct msm_otg *motg;
- struct otg_transceiver *otg;
+ struct usb_phy *phy;
dev_info(&pdev->dev, "msm_otg probe\n");
if (!pdev->dev.platform_data) {
@@ -1428,9 +1430,15 @@ static int __init msm_otg_probe(struct platform_device *pdev)
return -ENOMEM;
}
+ motg->phy.otg = kzalloc(sizeof(struct usb_otg), GFP_KERNEL);
+ if (!motg->phy.otg) {
+ dev_err(&pdev->dev, "unable to allocate msm_otg\n");
+ return -ENOMEM;
+ }
+
motg->pdata = pdev->dev.platform_data;
- otg = &motg->otg;
- otg->dev = &pdev->dev;
+ phy = &motg->phy;
+ phy->dev = &pdev->dev;
motg->phy_reset_clk = clk_get(&pdev->dev, "usb_phy_clk");
if (IS_ERR(motg->phy_reset_clk)) {
@@ -1538,16 +1546,18 @@ static int __init msm_otg_probe(struct platform_device *pdev)
goto disable_clks;
}
- otg->init = msm_otg_reset;
- otg->set_host = msm_otg_set_host;
- otg->set_peripheral = msm_otg_set_peripheral;
- otg->set_power = msm_otg_set_power;
+ phy->init = msm_otg_reset;
+ phy->set_power = msm_otg_set_power;
+
+ phy->io_ops = &msm_otg_io_ops;
- otg->io_ops = &msm_otg_io_ops;
+ phy->otg->phy = &motg->phy;
+ phy->otg->set_host = msm_otg_set_host;
+ phy->otg->set_peripheral = msm_otg_set_peripheral;
- ret = otg_set_transceiver(&motg->otg);
+ ret = usb_set_transceiver(&motg->phy);
if (ret) {
- dev_err(&pdev->dev, "otg_set_transceiver failed\n");
+ dev_err(&pdev->dev, "usb_set_transceiver failed\n");
goto free_irq;
}
@@ -1591,6 +1601,7 @@ put_clk:
put_phy_reset_clk:
clk_put(motg->phy_reset_clk);
free_motg:
+ kfree(motg->phy.otg);
kfree(motg);
return ret;
}
@@ -1598,10 +1609,10 @@ free_motg:
static int __devexit msm_otg_remove(struct platform_device *pdev)
{
struct msm_otg *motg = platform_get_drvdata(pdev);
- struct otg_transceiver *otg = &motg->otg;
+ struct usb_phy *phy = &motg->phy;
int cnt = 0;
- if (otg->host || otg->gadget)
+ if (phy->otg->host || phy->otg->gadget)
return -EBUSY;
msm_otg_debugfs_cleanup();
@@ -1613,14 +1624,14 @@ static int __devexit msm_otg_remove(struct platform_device *pdev)
device_init_wakeup(&pdev->dev, 0);
pm_runtime_disable(&pdev->dev);
- otg_set_transceiver(NULL);
+ usb_set_transceiver(NULL);
free_irq(motg->irq, motg);
/*
* Put PHY in low power mode.
*/
- ulpi_read(otg, 0x14);
- ulpi_write(otg, 0x08, 0x09);
+ ulpi_read(phy, 0x14);
+ ulpi_write(phy, 0x08, 0x09);
writel(readl(USB_PORTSC) | PORTSC_PHCD, USB_PORTSC);
while (cnt < PHY_SUSPEND_TIMEOUT_USEC) {
@@ -1630,7 +1641,7 @@ static int __devexit msm_otg_remove(struct platform_device *pdev)
cnt++;
}
if (cnt >= PHY_SUSPEND_TIMEOUT_USEC)
- dev_err(otg->dev, "Unable to suspend PHY\n");
+ dev_err(phy->dev, "Unable to suspend PHY\n");
clk_disable(motg->pclk);
clk_disable(motg->clk);
@@ -1651,6 +1662,7 @@ static int __devexit msm_otg_remove(struct platform_device *pdev)
if (motg->core_clk)
clk_put(motg->core_clk);
+ kfree(motg->phy.otg);
kfree(motg);
return 0;
@@ -1660,7 +1672,7 @@ static int __devexit msm_otg_remove(struct platform_device *pdev)
static int msm_otg_runtime_idle(struct device *dev)
{
struct msm_otg *motg = dev_get_drvdata(dev);
- struct otg_transceiver *otg = &motg->otg;
+ struct usb_otg *otg = motg->phy.otg;
dev_dbg(dev, "OTG runtime idle\n");
@@ -1670,7 +1682,7 @@ static int msm_otg_runtime_idle(struct device *dev)
* This 1 sec delay also prevents entering into LPM immediately
* after asynchronous interrupt.
*/
- if (otg->state != OTG_STATE_UNDEFINED)
+ if (otg->phy->state != OTG_STATE_UNDEFINED)
pm_schedule_suspend(dev, 1000);
return -EAGAIN;