smsc911x.h 2.6 KB

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  1. /***************************************************************************
  2. *
  3. * Copyright (C) 2004-2008 SMSC
  4. * Copyright (C) 2005-2008 ARM
  5. *
  6. * This program is free software; you can redistribute it and/or
  7. * modify it under the terms of the GNU General Public License
  8. * as published by the Free Software Foundation; either version 2
  9. * of the License, or (at your option) any later version.
  10. *
  11. * This program is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. * GNU General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU General Public License
  17. * along with this program; if not, write to the Free Software
  18. * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19. *
  20. ***************************************************************************/
  21. #ifndef __LINUX_SMSC911X_H__
  22. #define __LINUX_SMSC911X_H__
  23. #include <linux/phy.h>
  24. /* platform_device configuration data, should be assigned to
  25. * the platform_device's dev.platform_data
  26. * Provides 2 GPIO-related fields
  27. * reset_gpio to map the ETHERNET_RESET GPIO pin
  28. * has_reset_gpio - to indicate if the GPIO is being set(1) or not(0)
  29. * and remain compatible with architectures not using GPIOs
  30. * Default would be zero if its not being assigned any value.
  31. * Both values would need to set in the appropriate board file
  32. */
  33. struct smsc911x_platform_config {
  34. unsigned int irq_polarity;
  35. unsigned int irq_type;
  36. unsigned int flags;
  37. unsigned int shift;
  38. phy_interface_t phy_interface;
  39. unsigned char mac[6];
  40. unsigned char has_reset_gpio;
  41. unsigned int reset_gpio;
  42. };
  43. /* Constants for platform_device irq polarity configuration */
  44. #define SMSC911X_IRQ_POLARITY_ACTIVE_LOW 0
  45. #define SMSC911X_IRQ_POLARITY_ACTIVE_HIGH 1
  46. /* Constants for platform_device irq type configuration */
  47. #define SMSC911X_IRQ_TYPE_OPEN_DRAIN 0
  48. #define SMSC911X_IRQ_TYPE_PUSH_PULL 1
  49. /* Constants for flags */
  50. #define SMSC911X_USE_16BIT (BIT(0))
  51. #define SMSC911X_USE_32BIT (BIT(1))
  52. #define SMSC911X_FORCE_INTERNAL_PHY (BIT(2))
  53. #define SMSC911X_FORCE_EXTERNAL_PHY (BIT(3))
  54. #define SMSC911X_SAVE_MAC_ADDRESS (BIT(4))
  55. /*
  56. * SMSC911X_SWAP_FIFO:
  57. * Enables software byte swap for fifo data. Should only be used as a
  58. * "last resort" in the case of big endian mode on boards with incorrectly
  59. * routed data bus to older devices such as LAN9118. Newer devices such as
  60. * LAN9221 can handle this in hardware, there are registers to control
  61. * this swapping but the driver doesn't currently use them.
  62. */
  63. #define SMSC911X_SWAP_FIFO (BIT(5))
  64. #endif /* __LINUX_SMSC911X_H__ */