1 files changed, 73 insertions, 48 deletions

diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c
index 9d65ec307990..acde8868da21 100644
--- a/drivers/usb/host/ohci-pxa27x.c
+++ b/drivers/usb/host/ohci-pxa27x.c
@@ -26,18 +26,12 @@
 #include <asm/mach-types.h>
 #include <asm/hardware.h>
 #include <asm/arch/pxa-regs.h>
-
-
-#define PMM_NPS_MODE           1
-#define PMM_GLOBAL_MODE        2
-#define PMM_PERPORT_MODE       3
+#include <asm/arch/ohci.h>
 
 #define PXA_UHC_MAX_PORTNUM    3
 
 #define UHCRHPS(x)              __REG2( 0x4C000050, (x)<<2 )
 
-static int pxa27x_ohci_pmm_state;
-
 /*
   PMM_NPS_MODE -- PMM Non-power switching mode
       Ports are powered continuously.
@@ -50,8 +44,6 @@ static int pxa27x_ohci_pmm_state;
  */
 static int pxa27x_ohci_select_pmm( int mode )
 {
-        pxa27x_ohci_pmm_state = mode;
-
         switch ( mode ) {
         case PMM_NPS_MODE:
                 UHCRHDA |= RH_A_NPS;
@@ -71,7 +63,6 @@ static int pxa27x_ohci_select_pmm( int mode )
                         "Invalid mode %d, set to non-power switch mode.\n", 
                         mode );
 
-                pxa27x_ohci_pmm_state = PMM_NPS_MODE;
                 UHCRHDA |= RH_A_NPS;
         }
 
@@ -82,8 +73,13 @@ extern int usb_disabled(void);
 
 /*-------------------------------------------------------------------------*/
 
-static void pxa27x_start_hc(struct platform_device *dev)
+static int pxa27x_start_hc(struct device *dev)
 {
+        int retval = 0;
+        struct pxaohci_platform_data *inf;
+
+        inf = dev->platform_data;
+
         pxa_set_cken(CKEN10_USBHOST, 1);
 
         UHCHR |= UHCHR_FHR;
@@ -94,21 +90,11 @@ static void pxa27x_start_hc(struct platform_device *dev)
         while (UHCHR & UHCHR_FSBIR)
                 cpu_relax();
 
-        /* This could be properly abstracted away through the
-           device data the day more machines are supported and
-           their differences can be figured out correctly. */
-        if (machine_is_mainstone()) {
-                /* setup Port1 GPIO pin. */
-                pxa_gpio_mode( 88 | GPIO_ALT_FN_1_IN);  /* USBHPWR1 */
-                pxa_gpio_mode( 89 | GPIO_ALT_FN_2_OUT); /* USBHPEN1 */
-
-                /* Set the Power Control Polarity Low and Power Sense
-                   Polarity Low to active low. Supply power to USB ports. */
-                UHCHR = (UHCHR | UHCHR_PCPL | UHCHR_PSPL) &
-                        ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE);
+        if (inf->init)
+                retval = inf->init(dev);
 
-                pxa27x_ohci_pmm_state = PMM_PERPORT_MODE;
-        }
+        if (retval < 0)
+                return retval;
 
         UHCHR &= ~UHCHR_SSE;
 
@@ -117,10 +103,19 @@ static void pxa27x_start_hc(struct platform_device *dev)
         /* Clear any OTG Pin Hold */
         if (PSSR & PSSR_OTGPH)
                 PSSR |= PSSR_OTGPH;
+
+        return 0;
 }
 
-static void pxa27x_stop_hc(struct platform_device *dev)
+static void pxa27x_stop_hc(struct device *dev)
 {
+        struct pxaohci_platform_data *inf;
+
+        inf = dev->platform_data;
+
+        if (inf->exit)
+                inf->exit(dev);
+
         UHCHR |= UHCHR_FHR;
         udelay(11);
         UHCHR &= ~UHCHR_FHR;
@@ -147,22 +142,27 @@ static void pxa27x_stop_hc(struct platform_device *dev)
  * through the hotplug entry's driver_data.
  *
  */
-int usb_hcd_pxa27x_probe (const struct hc_driver *driver,
-                          struct platform_device *dev)
+int usb_hcd_pxa27x_probe (const struct hc_driver *driver, struct platform_device *pdev)
 {
         int retval;
         struct usb_hcd *hcd;
+        struct pxaohci_platform_data *inf;
 
-        if (dev->resource[1].flags != IORESOURCE_IRQ) {
+        inf = pdev->dev.platform_data;
+
+        if (!inf)
+                return -ENODEV;
+
+        if (pdev->resource[1].flags != IORESOURCE_IRQ) {
                 pr_debug ("resource[1] is not IORESOURCE_IRQ");
                 return -ENOMEM;
         }
 
-        hcd = usb_create_hcd (driver, &dev->dev, "pxa27x");
+        hcd = usb_create_hcd (driver, &pdev->dev, "pxa27x");
         if (!hcd)
                 return -ENOMEM;
-        hcd->rsrc_start = dev->resource[0].start;
-        hcd->rsrc_len = dev->resource[0].end - dev->resource[0].start + 1;
+        hcd->rsrc_start = pdev->resource[0].start;
+        hcd->rsrc_len = pdev->resource[0].end - pdev->resource[0].start + 1;
 
         if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
                 pr_debug("request_mem_region failed");
@@ -177,18 +177,22 @@ int usb_hcd_pxa27x_probe (const struct hc_driver *driver,
                 goto err2;
         }
 
-        pxa27x_start_hc(dev);
+        if ((retval = pxa27x_start_hc(&pdev->dev)) < 0) {
+                pr_debug("pxa27x_start_hc failed");
+                goto err3;
+        }
 
         /* Select Power Management Mode */
-        pxa27x_ohci_select_pmm(pxa27x_ohci_pmm_state);
+        pxa27x_ohci_select_pmm(inf->port_mode);
 
         ohci_hcd_init(hcd_to_ohci(hcd));
 
-        retval = usb_add_hcd(hcd, dev->resource[1].start, SA_INTERRUPT);
+        retval = usb_add_hcd(hcd, pdev->resource[1].start, SA_INTERRUPT);
         if (retval == 0)
                 return retval;
 
-        pxa27x_stop_hc(dev);
+        pxa27x_stop_hc(&pdev->dev);
+ err3:
         iounmap(hcd->regs);
  err2:
         release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
@@ -211,10 +215,10 @@ int usb_hcd_pxa27x_probe (const struct hc_driver *driver,
  * context, normally "rmmod", "apmd", or something similar.
  *
  */
-void usb_hcd_pxa27x_remove (struct usb_hcd *hcd, struct platform_device *dev)
+void usb_hcd_pxa27x_remove (struct usb_hcd *hcd, struct platform_device *pdev)
 {
         usb_remove_hcd(hcd);
-        pxa27x_stop_hc(dev);
+        pxa27x_stop_hc(&pdev->dev);
         iounmap(hcd->regs);
         release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
         usb_put_hcd(hcd);
@@ -292,15 +296,12 @@ static const struct hc_driver ohci_pxa27x_hc_driver = {
 
 static int ohci_hcd_pxa27x_drv_probe(struct platform_device *pdev)
 {
-        int ret;
-
         pr_debug ("In ohci_hcd_pxa27x_drv_probe");
 
         if (usb_disabled())
                 return -ENODEV;
 
-        ret = usb_hcd_pxa27x_probe(&ohci_pxa27x_hc_driver, pdev);
-        return ret;
+        return usb_hcd_pxa27x_probe(&ohci_pxa27x_hc_driver, pdev);
 }
 
 static int ohci_hcd_pxa27x_drv_remove(struct platform_device *pdev)
@@ -308,31 +309,55 @@ static int ohci_hcd_pxa27x_drv_remove(struct platform_device *pdev)
         struct usb_hcd *hcd = platform_get_drvdata(pdev);
 
         usb_hcd_pxa27x_remove(hcd, pdev);
+        platform_set_drvdata(pdev, NULL);
         return 0;
 }
 
-static int ohci_hcd_pxa27x_drv_suspend(struct platform_device *dev, pm_message_t state)
+#ifdef  CONFIG_PM
+static int ohci_hcd_pxa27x_drv_suspend(struct platform_device *pdev, pm_message_t state)
 {
-//      struct usb_hcd *hcd = platform_get_drvdata(dev);
-        printk("%s: not implemented yet\n", __FUNCTION__);
+        struct usb_hcd *hcd = platform_get_drvdata(pdev);
+        struct ohci_hcd *ohci = hcd_to_ohci(hcd);
+
+        if (time_before(jiffies, ohci->next_statechange))
+                msleep(5);
+        ohci->next_statechange = jiffies;
+
+        pxa27x_stop_hc(&pdev->dev);
+        hcd->state = HC_STATE_SUSPENDED;
+        pdev->dev.power.power_state = PMSG_SUSPEND;
 
         return 0;
 }
 
-static int ohci_hcd_pxa27x_drv_resume(struct platform_device *dev)
+static int ohci_hcd_pxa27x_drv_resume(struct platform_device *pdev)
 {
-//      struct usb_hcd *hcd = platform_get_drvdata(dev);
-        printk("%s: not implemented yet\n", __FUNCTION__);
+        struct usb_hcd *hcd = platform_get_drvdata(pdev);
+        struct ohci_hcd *ohci = hcd_to_ohci(hcd);
+        int status;
+
+        if (time_before(jiffies, ohci->next_statechange))
+                msleep(5);
+        ohci->next_statechange = jiffies;
+
+        if ((status = pxa27x_start_hc(&pdev->dev)) < 0)
+                return status;
+
+        pdev->dev.power.power_state = PMSG_ON;
+        usb_hcd_resume_root_hub(hcd);
 
         return 0;
 }
+#endif
 
 
 static struct platform_driver ohci_hcd_pxa27x_driver = {
         .probe          = ohci_hcd_pxa27x_drv_probe,
         .remove         = ohci_hcd_pxa27x_drv_remove,
+#ifdef CONFIG_PM
         .suspend        = ohci_hcd_pxa27x_drv_suspend, 
         .resume         = ohci_hcd_pxa27x_drv_resume,
+#endif
         .driver         = {
                 .name   = "pxa27x-ohci",
         },