vbus_interfaces.h

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/*
 * (c) 2014 Sarah Hoffmann <sarah.hoffmann@kernkonzept.com>
 *
 * License: see LICENSE.spdx (in this directory or the directories above)
 */
#pragma once
 
#include <l4/sys/types.h>
 
typedef enum l4vbus_iface_type_t
{
  L4VBUS_INTERFACE_ICU = 0,
  L4VBUS_INTERFACE_GPIO,
  L4VBUS_INTERFACE_PCI,
  L4VBUS_INTERFACE_PCIDEV,
  L4VBUS_INTERFACE_PM,
  L4VBUS_INTERFACE_BUS,
  L4VBUS_INTERFACE_GENERIC = 0x20
} l4vbus_iface_type_t;
typedef enum l4vbus_iface_type_t {…};
 
 
enum {
  L4VBUS_IFACE_SHIFT = 26
};
 
L4_INLINE unsigned l4vbus_subinterface(unsigned opcode)
{
  return opcode >> L4VBUS_IFACE_SHIFT;
}
L4_INLINE unsigned l4vbus_subinterface(unsigned opcode) {…}
 
L4_INLINE unsigned l4vbus_interface_opcode(unsigned opcode)
{
  return opcode & ((1 << L4VBUS_IFACE_SHIFT) - 1);
}
L4_INLINE unsigned l4vbus_interface_opcode(unsigned opcode) {…}
 
L4_INLINE int l4vbus_subinterface_supported(l4_uint32_t dev_type,
                                            l4vbus_iface_type_t iface_type)
{
  if (iface_type == L4VBUS_INTERFACE_GENERIC)
    return 1;
 
  return (dev_type & (1 << iface_type)) ? 1 : 0;
}
L4_INLINE int l4vbus_subinterface_supported(l4_uint32_t dev_type, {…}