Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / drivers / usb / gadget / pxa25x_udc.h

diff --git a/qemu/roms/u-boot/drivers/usb/gadget/pxa25x_udc.h b/qemu/roms/u-boot/drivers/usb/gadget/pxa25x_udc.h
new file mode 100644 (file)
index 0000000..f543b2d
--- /dev/null
+++ b/qemu/roms/u-boot/drivers/usb/gadget/pxa25x_udc.h
@@ -0,0 +1,150 @@
+/*
+ * Intel PXA25x on-chip full speed USB device controller
+ *
+ * Copyright (C) 2003 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix
+ * Copyright (C) 2003 David Brownell
+ * Copyright (C) 2012 Lukasz Dalek <luk0104@gmail.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#ifndef __LINUX_USB_GADGET_PXA25X_H
+#define __LINUX_USB_GADGET_PXA25X_H
+
+#include <linux/types.h>
+#include <asm/arch/regs-usb.h>
+
+/*
+ * Prefetching support - only ARMv5.
+ */
+
+#ifdef ARCH_HAS_PREFETCH
+static inline void prefetch(const void *ptr)
+{
+       __asm__ __volatile__(
+               "pld\t%a0"
+               :
+               : "p" (ptr)
+               : "cc");
+}
+
+#define prefetchw(ptr) prefetch(ptr)
+#endif /* ARCH_HAS_PREFETCH */
+
+/*-------------------------------------------------------------------------*/
+
+#define UDC_REGS       ((struct pxa25x_udc_regs *)PXA25X_UDC_BASE)
+
+/*-------------------------------------------------------------------------*/
+
+struct pxa2xx_udc_mach_info {
+       int  (*udc_is_connected)(void);         /* do we see host? */
+       void (*udc_command)(int cmd);
+#define        PXA2XX_UDC_CMD_CONNECT          0       /* let host see us */
+#define        PXA2XX_UDC_CMD_DISCONNECT       1       /* so host won't see us */
+};
+
+struct pxa25x_udc;
+
+struct pxa25x_ep {
+       struct usb_ep                           ep;
+       struct pxa25x_udc                       *dev;
+
+       const struct usb_endpoint_descriptor    *desc;
+       struct list_head                        queue;
+       unsigned long                           pio_irqs;
+
+       unsigned short                          fifo_size;
+       u8                                      bEndpointAddress;
+       u8                                      bmAttributes;
+
+       unsigned                                stopped:1;
+
+       /* UDCCS = UDC Control/Status for this EP
+        * UBCR = UDC Byte Count Remaining (contents of OUT fifo)
+        * UDDR = UDC Endpoint Data Register (the fifo)
+        * DRCM = DMA Request Channel Map
+        */
+       u32                                     *reg_udccs;
+       u32                                     *reg_ubcr;
+       u32                                     *reg_uddr;
+};
+
+struct pxa25x_request {
+       struct usb_request                      req;
+       struct list_head                        queue;
+};
+
+enum ep0_state {
+       EP0_IDLE,
+       EP0_IN_DATA_PHASE,
+       EP0_OUT_DATA_PHASE,
+       EP0_END_XFER,
+       EP0_STALL,
+};
+
+#define EP0_FIFO_SIZE  16U
+#define BULK_FIFO_SIZE 64U
+#define ISO_FIFO_SIZE  256U
+#define INT_FIFO_SIZE  8U
+
+struct udc_stats {
+       struct ep0stats {
+               unsigned long           ops;
+               unsigned long           bytes;
+       } read, write;
+       unsigned long                   irqs;
+};
+
+#ifdef CONFIG_USB_PXA25X_SMALL
+/* when memory's tight, SMALL config saves code+data.  */
+#define        PXA_UDC_NUM_ENDPOINTS   3
+#endif
+
+#ifndef        PXA_UDC_NUM_ENDPOINTS
+#define        PXA_UDC_NUM_ENDPOINTS   16
+#endif
+
+struct pxa25x_watchdog {
+       unsigned                                running:1;
+       ulong                                   period;
+       ulong                                   base;
+       struct pxa25x_udc                       *udc;
+
+       void (*function)(struct pxa25x_udc *udc);
+};
+
+struct pxa25x_udc {
+       struct usb_gadget                       gadget;
+       struct usb_gadget_driver                *driver;
+       struct pxa25x_udc_regs                  *regs;
+
+       enum ep0_state                          ep0state;
+       struct udc_stats                        stats;
+       unsigned                                got_irq:1,
+                                               pullup:1,
+                                               has_cfr:1,
+                                               req_pending:1,
+                                               req_std:1,
+                                               req_config:1,
+                                               active:1;
+
+       struct clk                              *clk;
+       struct pxa2xx_udc_mach_info             *mach;
+       u64                                     dma_mask;
+       struct pxa25x_ep                        ep[PXA_UDC_NUM_ENDPOINTS];
+
+       struct pxa25x_watchdog                  watchdog;
+};
+
+/*-------------------------------------------------------------------------*/
+
+static struct pxa25x_udc *the_controller;
+
+/*-------------------------------------------------------------------------*/
+
+#ifndef DEBUG
+# define NOISY 0
+#endif
+
+#endif /* __LINUX_USB_GADGET_PXA25X_H */