/* SPDX-License-Identifier: GPL-2.0+ */

  /*
   * AX88796L(NE2000) support
   *
   * (c) 2007 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

   */
  
  #ifndef __DRIVERS_AX88796L_H__
  #define __DRIVERS_AX88796L_H__

  #define DP_DATA		(0x10 << 1)
  #define START_PG	0x40	/* First page of TX buffer */
  #define START_PG2	0x48
  #define STOP_PG		0x80	/* Last page +1 of RX ring */
  #define TX_PAGES	12
  #define RX_START	(START_PG+TX_PAGES)
  #define RX_END		STOP_PG

  
  #define AX88796L_BASE_ADDRESS	CONFIG_DRIVER_NE2000_BASE

  #define AX88796L_BYTE_ACCESS	0x00001000
  #define AX88796L_OFFSET		0x00000400
  #define AX88796L_ADDRESS_BYTE	AX88796L_BASE_ADDRESS + \

  		AX88796L_BYTE_ACCESS + AX88796L_OFFSET

  #define AX88796L_REG_MEMR	AX88796L_ADDRESS_BYTE + (0x14<<1)
  #define AX88796L_REG_CR		AX88796L_ADDRESS_BYTE + (0x00<<1)

  
  #define AX88796L_CR		(*(vu_short *)(AX88796L_REG_CR))

  #define AX88796L_MEMR		(*(vu_short *)(AX88796L_REG_MEMR))

  
  #define EECS_HIGH		(AX88796L_MEMR |= 0x10)
  #define EECS_LOW		(AX88796L_MEMR &= 0xef)
  #define EECLK_HIGH		(AX88796L_MEMR |= 0x80)
  #define EECLK_LOW		(AX88796L_MEMR &= 0x7f)
  #define EEDI_HIGH		(AX88796L_MEMR |= 0x20)
  #define EEDI_LOW		(AX88796L_MEMR &= 0xdf)
  #define EEDO			((AX88796L_MEMR & 0x40)>>6)
  
  #define PAGE0_SET		(AX88796L_CR &= 0x3f)
  #define PAGE1_SET		(AX88796L_CR = (AX88796L_CR & 0x3f) | 0x40)

  #define BIT_DUMMY	0

  #define MAC_EEP_READ	1
  #define MAC_EEP_WRITE	2
  #define MAC_EEP_ERACE	3
  #define MAC_EEP_EWEN	4
  #define MAC_EEP_EWDS	5
  
  /* R7780MP Specific code */
  #if defined(CONFIG_R7780MP)

  #define ISA_OFFSET	0x1400
  #define DP_IN(_b_, _o_, _d_)	(_d_) = \

  	*( (vu_short *) ((_b_) + ((_o_) * 2) + ISA_OFFSET))
  #define DP_OUT(_b_, _o_, _d_) \
  	*((vu_short *)((_b_) + ((_o_) * 2) + ISA_OFFSET)) = (_d_)

  #define DP_IN_DATA(_b_, _d_)	(_d_) = *( (vu_short *) ((_b_) + ISA_OFFSET))
  #define DP_OUT_DATA(_b_, _d_)	*( (vu_short *) ((_b_)+ISA_OFFSET)) = (_d_)

  #else
  /* Please change for your target boards */

  #define ISA_OFFSET	0x0000
  #define DP_IN(_b_, _o_, _d_)	(_d_) = *( (vu_short *)((_b_)+(_o_ )+ISA_OFFSET))
  #define DP_OUT(_b_, _o_, _d_)	*((vu_short *)((_b_)+(_o_)+ISA_OFFSET)) = (_d_)
  #define DP_IN_DATA(_b_, _d_)	(_d_) = *( (vu_short *) ((_b_)+ISA_OFFSET))
  #define DP_OUT_DATA(_b_, _d_)	*( (vu_short *) ((_b_)+ISA_OFFSET)) = (_d_)

  #endif

  #endif /* __DRIVERS_AX88796L_H__ */