/*
   * (C) Copyright 2002
   * Rich Ireland, Enterasys Networks, rireland@enterasys.com.
   *

   * SPDX-License-Identifier:	GPL-2.0+

   */
  
  #include <fpga.h>
  
  #ifndef _ALTERA_H_
  #define _ALTERA_H_

  /*
   * For the StratixV FPGA programming via SPI, the following
   * information is coded in the 32bit cookie:
   * Bit 31 ... Bit 0
   * SPI-Bus | SPI-Dev | Config-Pin | Done-Pin
   */
  #define FPGA_COOKIE(bus, dev, config, done)			\
  	(((bus) << 24) | ((dev) << 16) | ((config) << 8) | (done))
  #define COOKIE2SPI_BUS(c)	(((c) >> 24) & 0xff)
  #define COOKIE2SPI_DEV(c)	(((c) >> 16) & 0xff)
  #define COOKIE2CONFIG(c)	(((c) >> 8) & 0xff)
  #define COOKIE2DONE(c)		((c) & 0xff)

  enum altera_iface {
  	/* insert all new types after this */
  	min_altera_iface_type,
  	/* serial data and external clock */
  	passive_serial,
  	/* parallel data */
  	passive_parallel_synchronous,
  	/* parallel data */
  	passive_parallel_asynchronous,
  	/* serial data w/ internal clock (not used) */
  	passive_serial_asynchronous,
  	/* jtag/tap serial (not used ) */
  	altera_jtag_mode,
  	/* fast passive parallel (FPP) */
  	fast_passive_parallel,
  	/* fast passive parallel with security (FPPS) */
  	fast_passive_parallel_security,
  	/* insert all new types before this */
  	max_altera_iface_type,
  };
  
  enum altera_family {
  	/* insert all new types after this */
  	min_altera_type,
  	/* ACEX1K Family */
  	Altera_ACEX1K,
  	/* CYCLONII Family */
  	Altera_CYC2,
  	/* StratixII Family */
  	Altera_StratixII,

  	/* StratixV Family */
  	Altera_StratixV,

  	/* SoCFPGA Family */
  	Altera_SoCFPGA,

  
  	/* Add new models here */
  
  	/* insert all new types before this */
  	max_altera_type,
  };
  
  typedef struct {
  	/* part type */
  	enum altera_family	family;
  	/* interface type */
  	enum altera_iface	iface;
  	/* bytes of data part can accept */
  	size_t			size;
  	/* interface function table */
  	void			*iface_fns;
  	/* base interface address */
  	void			*base;
  	/* implementation specific cookie */
  	int			cookie;
  } Altera_desc;

  /* Generic Altera Functions
   *********************************************************************/

  extern int altera_load(Altera_desc *desc, const void *image, size_t size);
  extern int altera_dump(Altera_desc *desc, const void *buf, size_t bsize);
  extern int altera_info(Altera_desc *desc);

  
  /* Board specific implementation specific function types
   *********************************************************************/
  typedef int (*Altera_pre_fn)( int cookie );
  typedef int (*Altera_config_fn)( int assert_config, int flush, int cookie );
  typedef int (*Altera_status_fn)( int cookie );
  typedef int (*Altera_done_fn)( int cookie );
  typedef int (*Altera_clk_fn)( int assert_clk, int flush, int cookie );
  typedef int (*Altera_data_fn)( int assert_data, int flush, int cookie );

  typedef int(*Altera_write_fn)(const void *buf, size_t len, int flush, int cookie);

  typedef int (*Altera_abort_fn)( int cookie );
  typedef int (*Altera_post_fn)( int cookie );

  typedef struct {
  	Altera_pre_fn pre;
  	Altera_config_fn config;
  	Altera_status_fn status;
  	Altera_done_fn done;
  	Altera_clk_fn clk;
  	Altera_data_fn data;

  	Altera_write_fn write;

  	Altera_abort_fn abort;
  	Altera_post_fn post;
  } altera_board_specific_func;

  #ifdef CONFIG_FPGA_SOCFPGA
  int socfpga_load(Altera_desc *desc, const void *rbf_data, size_t rbf_size);
  #endif

  #ifdef CONFIG_FPGA_STRATIX_V
  int stratixv_load(Altera_desc *desc, const void *rbf_data, size_t rbf_size);
  #endif

  #endif /* _ALTERA_H_ */