#include <linux/err.h>
#include <linux/delay.h>
#include <linux/usb/musb-omap.h>
+#include <linux/usb/omap_control_usb.h>
#include "musb_core.h"
#include "omap2430.h"
struct platform_device *musb;
enum omap_musb_vbus_id_status status;
struct work_struct omap_musb_mailbox_work;
- u32 __iomem *control_otghs;
+ struct device *control_otghs;
};
#define glue_to_musb(g) platform_get_drvdata(g->musb)
static struct timer_list musb_idle_timer;
-/**
- * omap4_usb_phy_mailbox - write to usb otg mailbox
- * @glue: struct omap2430_glue *
- * @val: the value to be written to the mailbox
- *
- * On detection of a device (ID pin is grounded), this API should be called
- * to set AVALID, VBUSVALID and ID pin is grounded.
- *
- * When OMAP is connected to a host (OMAP in device mode), this API
- * is called to set AVALID, VBUSVALID and ID pin in high impedance.
- *
- * XXX: This function will be removed once we have a seperate driver for
- * control module
- */
-static void omap4_usb_phy_mailbox(struct omap2430_glue *glue, u32 val)
-{
- if (glue->control_otghs)
- writel(val, glue->control_otghs);
-}
-
static void musb_do_idle(unsigned long _musb)
{
struct musb *musb = (void *)_musb;
static void omap_musb_set_mailbox(struct omap2430_glue *glue)
{
- u32 val;
struct musb *musb = glue_to_musb(glue);
struct device *dev = musb->controller;
struct musb_hdrc_platform_data *pdata = dev->platform_data;
musb->xceiv->last_event = USB_EVENT_ID;
if (musb->gadget_driver) {
pm_runtime_get_sync(dev);
- val = AVALID | VBUSVALID;
- omap4_usb_phy_mailbox(glue, val);
+ omap_control_usb_set_mode(glue->control_otghs,
+ USB_MODE_HOST);
omap2430_musb_set_vbus(musb, 1);
}
break;
musb->xceiv->last_event = USB_EVENT_VBUS;
if (musb->gadget_driver)
pm_runtime_get_sync(dev);
- val = IDDIG | AVALID | VBUSVALID;
- omap4_usb_phy_mailbox(glue, val);
+ omap_control_usb_set_mode(glue->control_otghs, USB_MODE_DEVICE);
break;
case OMAP_MUSB_ID_FLOAT:
if (musb->xceiv->otg->set_vbus)
otg_set_vbus(musb->xceiv->otg, 0);
}
- val = SESSEND | IDDIG;
- omap4_usb_phy_mailbox(glue, val);
+ omap_control_usb_set_mode(glue->control_otghs,
+ USB_MODE_DISCONNECT);
break;
default:
dev_dbg(dev, "ID float\n");
static void omap2430_musb_enable(struct musb *musb)
{
u8 devctl;
- u32 val;
unsigned long timeout = jiffies + msecs_to_jiffies(1000);
struct device *dev = musb->controller;
struct omap2430_glue *glue = dev_get_drvdata(dev->parent);
switch (glue->status) {
case OMAP_MUSB_ID_GROUND:
- val = AVALID | VBUSVALID;
- omap4_usb_phy_mailbox(glue, val);
+ omap_control_usb_set_mode(glue->control_otghs, USB_MODE_HOST);
if (data->interface_type != MUSB_INTERFACE_UTMI)
break;
devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
break;
case OMAP_MUSB_VBUS_VALID:
- val = IDDIG | AVALID | VBUSVALID;
- omap4_usb_phy_mailbox(glue, val);
+ omap_control_usb_set_mode(glue->control_otghs, USB_MODE_DEVICE);
break;
default:
static void omap2430_musb_disable(struct musb *musb)
{
- u32 val;
struct device *dev = musb->controller;
struct omap2430_glue *glue = dev_get_drvdata(dev->parent);
- if (glue->status != OMAP_MUSB_UNKNOWN) {
- val = SESSEND | IDDIG;
- omap4_usb_phy_mailbox(glue, val);
- }
+ if (glue->status != OMAP_MUSB_UNKNOWN)
+ omap_control_usb_set_mode(glue->control_otghs,
+ USB_MODE_DISCONNECT);
}
static int omap2430_musb_exit(struct musb *musb)
struct omap2430_glue *glue;
struct device_node *np = pdev->dev.of_node;
struct musb_hdrc_config *config;
- struct resource *res;
int ret = -ENOMEM;
glue = devm_kzalloc(&pdev->dev, sizeof(*glue), GFP_KERNEL);
glue->musb = musb;
glue->status = OMAP_MUSB_UNKNOWN;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-
- glue->control_otghs = devm_request_and_ioremap(&pdev->dev, res);
- if (glue->control_otghs == NULL)
- dev_dbg(&pdev->dev, "Failed to obtain control memory\n");
-
if (np) {
pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata) {
of_property_read_u32(np, "ram_bits", (u32 *)&config->ram_bits);
of_property_read_u32(np, "power", (u32 *)&pdata->power);
config->multipoint = of_property_read_bool(np, "multipoint");
+ pdata->has_mailbox = of_property_read_bool(np,
+ "ti,has-mailbox");
pdata->board_data = data;
pdata->config = config;
}
+ if (pdata->has_mailbox) {
+ glue->control_otghs = omap_get_control_dev();
+ if (IS_ERR(glue->control_otghs)) {
+ dev_vdbg(&pdev->dev, "Failed to get control device\n");
+ return -ENODEV;
+ }
+ } else {
+ glue->control_otghs = ERR_PTR(-ENODEV);
+ }
pdata->platform_ops = &omap2430_ops;
platform_set_drvdata(pdev, glue);
#include <linux/err.h>
#include <linux/pm_runtime.h>
#include <linux/delay.h>
+#include <linux/usb/omap_control_usb.h>
/**
* omap_usb2_set_comparator - links the comparator present in the sytem with
}
EXPORT_SYMBOL_GPL(omap_usb2_set_comparator);
-/**
- * omap_usb_phy_power - power on/off the phy using control module reg
- * @phy: struct omap_usb *
- * @on: 0 or 1, based on powering on or off the PHY
- *
- * XXX: Remove this function once control module driver gets merged
- */
-static void omap_usb_phy_power(struct omap_usb *phy, int on)
-{
- u32 val;
-
- if (on) {
- val = readl(phy->control_dev);
- if (val & PHY_PD) {
- writel(~PHY_PD, phy->control_dev);
- /* XXX: add proper documentation for this delay */
- mdelay(200);
- }
- } else {
- writel(PHY_PD, phy->control_dev);
- }
-}
-
static int omap_usb_set_vbus(struct usb_otg *otg, bool enabled)
{
struct omap_usb *phy = phy_to_omapusb(otg->phy);
struct omap_usb *phy = phy_to_omapusb(x);
if (suspend && !phy->is_suspended) {
- omap_usb_phy_power(phy, 0);
+ omap_control_usb_phy_power(phy->control_dev, 0);
pm_runtime_put_sync(phy->dev);
phy->is_suspended = 1;
} else if (!suspend && phy->is_suspended) {
ret);
return ret;
}
- omap_usb_phy_power(phy, 1);
+ omap_control_usb_phy_power(phy->control_dev, 1);
phy->is_suspended = 0;
}
{
struct omap_usb *phy;
struct usb_otg *otg;
- struct resource *res;
phy = devm_kzalloc(&pdev->dev, sizeof(*phy), GFP_KERNEL);
if (!phy) {
phy->phy.set_suspend = omap_usb2_suspend;
phy->phy.otg = otg;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-
- phy->control_dev = devm_request_and_ioremap(&pdev->dev, res);
- if (phy->control_dev == NULL) {
- dev_err(&pdev->dev, "Failed to obtain io memory\n");
- return -ENXIO;
+ phy->control_dev = omap_get_control_dev();
+ if (IS_ERR(phy->control_dev)) {
+ dev_dbg(&pdev->dev, "Failed to get control device\n");
+ return -ENODEV;
}
phy->is_suspended = 1;
- omap_usb_phy_power(phy, 0);
+ omap_control_usb_phy_power(phy->control_dev, 0);
otg->set_host = omap_usb_set_host;
otg->set_peripheral = omap_usb_set_peripheral;
projects / profile / ivi / kernel-x86-ivi.git / commitdiff