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/* $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_ */