USB: pxa2xx_udc understands GPIO based VBUS sensing

[linux-2.6-omap-h63xx.git] / drivers / usb / gadget / pxa2xx_udc.h

diff --git a/drivers/usb/gadget/pxa2xx_udc.h b/drivers/usb/gadget/pxa2xx_udc.h
index a58f3e6e71f1ddbc5cb74c22db89740b77636278..8e598c8bf4e388da20c6672b3a0f54a95e296e6e 100644 (file)
--- a/drivers/usb/gadget/pxa2xx_udc.h
+++ b/drivers/usb/gadget/pxa2xx_udc.h
@@ -69,11 +69,11 @@ struct pxa2xx_ep {
         * UDDR = UDC Endpoint Data Register (the fifo)
         * DRCM = DMA Request Channel Map
         */
-       volatile unsigned long                  *reg_udccs;
-       volatile unsigned long                  *reg_ubcr;
-       volatile unsigned long                  *reg_uddr;
+       volatile u32                            *reg_udccs;
+       volatile u32                            *reg_ubcr;
+       volatile u32                            *reg_uddr;
 #ifdef USE_DMA
-       volatile unsigned long                  *reg_drcmr;
+       volatile u32                    *reg_drcmr;
 #define        drcmr(n)  .reg_drcmr = & DRCMR ## n ,
 #else
 #define        drcmr(n)  
@@ -177,27 +177,19 @@ struct pxa2xx_udc {
 
 static struct pxa2xx_udc *the_controller;
 
-/* one GPIO should be used to detect VBUS from the host */
-static inline int is_vbus_present(void)
+static inline int pxa_gpio_get(unsigned gpio)
 {
-       if (!the_controller->mach->udc_is_connected)
-               return 1;
-       return the_controller->mach->udc_is_connected();
+       return (GPLR(gpio) & GPIO_bit(gpio)) != 0;
 }
 
-/* one GPIO should control a D+ pullup, so host sees this device (or not) */
-static inline void pullup_off(void)
+static inline void pxa_gpio_set(unsigned gpio, int is_on)
 {
-       if (!the_controller->mach->udc_command)
-               return;
-       the_controller->mach->udc_command(PXA2XX_UDC_CMD_DISCONNECT);
-}
+       int mask = GPIO_bit(gpio);
 
-static inline void pullup_on(void)
-{
-       if (!the_controller->mach->udc_command)
-               return;
-       the_controller->mach->udc_command(PXA2XX_UDC_CMD_CONNECT);
+       if (is_on)
+               GPSR(gpio) = mask;
+       else
+               GPCR(gpio) = mask;
 }
 
 /*-------------------------------------------------------------------------*/