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path: root/sys/dev/pci/if_em_osdep.h
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/**************************************************************************

Copyright (c) 2001-2006, Intel Corporation
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

 1. Redistributions of source code must retain the above copyright notice,
    this list of conditions and the following disclaimer.

 2. Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in the
    documentation and/or other materials provided with the distribution.

 3. Neither the name of the Intel Corporation nor the names of its
    contributors may be used to endorse or promote products derived from
    this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.

***************************************************************************/

/* $OpenBSD: if_em_osdep.h,v 1.15 2024/10/22 21:50:02 jsg Exp $ */
/* $FreeBSD: if_em_osdep.h,v 1.11 2003/05/02 21:17:08 pdeuskar Exp $ */

#ifndef _EM_OPENBSD_OS_H_
#define _EM_OPENBSD_OS_H_

#define usec_delay(x)		DELAY(x)
#define msec_delay(x)		DELAY(1000*(x))
/* TODO: Should we be paranoid about delaying in interrupt context? */
#define msec_delay_irq(x)	DELAY(1000*(x))

#define MSGOUT(S, A, B)		printf(S "\n", A, B)
#define DEBUGFUNC(F)		DEBUGOUT(F);
#ifdef DBG
	#define DEBUGOUT(S)			printf(S "\n")
	#define DEBUGOUT1(S,A)			printf(S "\n",A)
	#define DEBUGOUT2(S,A,B)		printf(S "\n",A,B)
	#define DEBUGOUT3(S,A,B,C)		printf(S "\n",A,B,C)
	#define DEBUGOUT7(S,A,B,C,D,E,F,G)	printf(S "\n",A,B,C,D,E,F,G)
#else
	#define DEBUGOUT(S)
	#define DEBUGOUT1(S,A)
	#define DEBUGOUT2(S,A,B)
	#define DEBUGOUT3(S,A,B,C)
	#define DEBUGOUT7(S,A,B,C,D,E,F,G)
#endif

#define CMD_MEM_WRT_INVALIDATE		0x0010  /* BIT_4 */

struct em_osdep {
	bus_space_tag_t		mem_bus_space_tag;
	bus_space_handle_t	mem_bus_space_handle;
	bus_space_tag_t		io_bus_space_tag;
	bus_space_handle_t	io_bus_space_handle;
	bus_space_tag_t		flash_bus_space_tag;
	bus_space_handle_t	flash_bus_space_handle;
	struct device		*dev;

	struct pci_attach_args	em_pa;

	bus_size_t		em_memsize;
	bus_addr_t		em_membase;
	bus_size_t		em_iosize;
	bus_addr_t		em_iobase;
	bus_size_t		em_flashsize;
	bus_addr_t		em_flashbase;
	size_t			em_flashoffset;
};

#define E1000_WRITE_FLUSH(hw)	E1000_READ_REG(hw, STATUS)

/* Read from an absolute offset in the adapter's memory space */
#define E1000_READ_OFFSET(hw, offset) \
	bus_space_read_4(((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
			 ((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
			  offset)

/* Write to an absolute offset in the adapter's memory space */
#define E1000_WRITE_OFFSET(hw, offset, value) \
	bus_space_write_4(((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
			  ((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
			   offset, value)

/* Convert a register name to its offset in the adapter's memory space */
#define E1000_REG_TR(hw, reg)						\
	((hw)->mac_type >= em_82543 ?					\
	     reg : em_translate_82542_register(reg))

/* Register READ/WRITE macros */

#define E1000_READ_REG(hw, reg) \
	bus_space_read_4(((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
			 ((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
			  E1000_REG_TR(hw, E1000_##reg))

#define E1000_WRITE_REG(hw, reg, value) \
	bus_space_write_4(((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
			  ((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
			   E1000_REG_TR(hw, E1000_##reg), \
			   value)

#define EM_READ_REG(hw, reg) \
	bus_space_read_4(((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
			 ((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
			  reg)

#define EM_WRITE_REG(hw, reg, value) \
	bus_space_write_4(((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
			  ((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
			   reg, value)

#define EM_READ_REG_ARRAY(hw, reg, index)				\
	bus_space_read_4(((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
	    ((struct em_osdep *)(hw)->back)->mem_bus_space_handle,	\
	    reg + ((index) << 2))

#define EM_WRITE_REG_ARRAY(hw, reg, index, value)			\
	bus_space_write_4(((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
	    ((struct em_osdep *)(hw)->back)->mem_bus_space_handle,	\
	    reg + ((index) << 2), value)

#define E1000_READ_REG_ARRAY(hw, reg, index) \
	bus_space_read_4(((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
			 ((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
			   E1000_REG_TR(hw, E1000_##reg) + ((index) << 2))

#define E1000_WRITE_REG_ARRAY(hw, reg, index, value) \
	bus_space_write_4(((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
			  ((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
			   E1000_REG_TR(hw, E1000_##reg) + ((index) << 2), \
			   value)

#define E1000_READ_REG_ARRAY_DWORD E1000_READ_REG_ARRAY
#define E1000_WRITE_REG_ARRAY_DWORD E1000_WRITE_REG_ARRAY

#define E1000_WRITE_REG_ARRAY_BYTE(hw, reg, index, value) \
	bus_space_write_1(((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
			  ((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
			   E1000_REG_TR(hw, E1000_##reg) + index, \
			   value)

#define E1000_WRITE_REG_ARRAY_WORD(hw, reg, index, value) \
	bus_space_write_2(((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
			  ((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
			   E1000_REG_TR(hw, E1000_##reg) + (index << 1), \
			   value)

#define E1000_READ_ICH_FLASH_REG(hw, reg) \
	bus_space_read_4(((struct em_osdep *)(hw)->back)->flash_bus_space_tag, \
			 ((struct em_osdep *)(hw)->back)->flash_bus_space_handle, \
			 ((struct em_osdep *)(hw)->back)->em_flashoffset + reg)

#define E1000_READ_ICH_FLASH_REG16(hw, reg) \
	bus_space_read_2(((struct em_osdep *)(hw)->back)->flash_bus_space_tag, \
			 ((struct em_osdep *)(hw)->back)->flash_bus_space_handle, \
			 ((struct em_osdep *)(hw)->back)->em_flashoffset + reg)

#define E1000_READ_ICH_FLASH_REG32(hw, reg) \
	bus_space_read_4(((struct em_osdep *)(hw)->back)->flash_bus_space_tag, \
			 ((struct em_osdep *)(hw)->back)->flash_bus_space_handle, \
			 ((struct em_osdep *)(hw)->back)->em_flashoffset + reg)


#define E1000_WRITE_ICH_FLASH_REG8(hw, reg, value) \
	bus_space_write_1(((struct em_osdep *)(hw)->back)->flash_bus_space_tag, \
			  ((struct em_osdep *)(hw)->back)->flash_bus_space_handle, \
			  ((struct em_osdep *)(hw)->back)->em_flashoffset + reg, \
			  value)

#define E1000_WRITE_ICH_FLASH_REG16(hw, reg, value) \
	bus_space_write_2(((struct em_osdep *)(hw)->back)->flash_bus_space_tag, \
			  ((struct em_osdep *)(hw)->back)->flash_bus_space_handle, \
			  ((struct em_osdep *)(hw)->back)->em_flashoffset + reg, \
			  value)

#define E1000_WRITE_ICH_FLASH_REG32(hw, reg, value) \
	bus_space_write_4(((struct em_osdep *)(hw)->back)->flash_bus_space_tag, \
			  ((struct em_osdep *)(hw)->back)->flash_bus_space_handle, \
			  ((struct em_osdep *)(hw)->back)->em_flashoffset + reg, \
			  value)

#define em_io_read(hw, port) \
	bus_space_read_4(((struct em_osdep *)(hw)->back)->io_bus_space_tag, \
			 ((struct em_osdep *)(hw)->back)->io_bus_space_handle, (port))

#define em_io_write(hw, port, value) \
	bus_space_write_4(((struct em_osdep *)(hw)->back)->io_bus_space_tag, \
			  ((struct em_osdep *)(hw)->back)->io_bus_space_handle, \
			   (port), (value))

#ifdef DEBUG
#define EM_KASSERT(exp,msg)	do { if (!(exp)) panic msg; } while (0)
#else
#define EM_KASSERT(exp,msg)
#endif

#endif  /* _EM_OPENBSD_OS_H_ */