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Annotation of sys/arch/alpha/pci/mcpciavar.h, Revision 1.1

1.1     ! nbrk        1: /* $OpenBSD: mcpciavar.h,v 1.1 2007/03/16 21:22:27 robert Exp $ */
        !             2: /* $NetBSD: mcpciavar.h,v 1.4 1999/04/16 02:18:07 thorpej Exp $ */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1998 by Matthew Jacob
        !             6:  * NASA AMES Research Center.
        !             7:  * All rights reserved.
        !             8:  *
        !             9:  * Redistribution and use in source and binary forms, with or without
        !            10:  * modification, are permitted provided that the following conditions
        !            11:  * are met:
        !            12:  * 1. Redistributions of source code must retain the above copyright
        !            13:  *    notice immediately at the beginning of the file, without modification,
        !            14:  *    this list of conditions, and the following disclaimer.
        !            15:  * 2. Redistributions in binary form must reproduce the above copyright
        !            16:  *    notice, this list of conditions and the following disclaimer in the
        !            17:  *    documentation and/or other materials provided with the distribution.
        !            18:  * 3. The name of the author may not be used to endorse or promote products
        !            19:  *    derived from this software without specific prior written permission.
        !            20:  *
        !            21:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
        !            22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            24:  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
        !            25:  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            31:  * SUCH DAMAGE.
        !            32:  */
        !            33:
        !            34: #include <dev/pci/pcivar.h>
        !            35: #include <sys/extent.h>
        !            36:
        !            37: #include <alpha/pci/pci_sgmap_pte64.h>
        !            38:
        !            39: #define        _FSTORE (EXTENT_FIXED_STORAGE_SIZE(8) / sizeof(long))
        !            40:
        !            41: /*
        !            42:  * MPCIA configuration.
        !            43:  */
        !            44: struct mcpcia_config {
        !            45:        int                             cc_gid; /* GID of this MCbus */
        !            46:        int                             cc_mid; /* MCbus Module ID */
        !            47:        int                             cc_initted;
        !            48:        int                             cc_mallocsafe;
        !            49:        struct alpha_bus_space          cc_iot;
        !            50:        struct alpha_bus_space          cc_memt;
        !            51:        struct extent *                 cc_io_ex;
        !            52:        struct extent *                 cc_d_mem_ex;
        !            53:        struct extent *                 cc_s_mem_ex;
        !            54:        struct alpha_pci_chipset        cc_pc;
        !            55:        struct mcpcia_softc *           cc_sc;  /* back pointer */
        !            56:        long                            cc_io_exstorage[_FSTORE];
        !            57:        long                            cc_dmem_exstorage[_FSTORE];
        !            58:        long                            cc_smem_exstorage[_FSTORE];
        !            59:        unsigned long                   cc_sysbase;     /* shorthand */
        !            60:        struct alpha_bus_dma_tag        cc_dmat_direct;
        !            61:        struct alpha_bus_dma_tag        cc_dmat_pci_sgmap;
        !            62:        struct alpha_bus_dma_tag        cc_dmat_isa_sgmap;
        !            63:        struct alpha_sgmap              cc_pci_sgmap;
        !            64:        struct alpha_sgmap              cc_isa_sgmap;
        !            65:        char                            pc_io_ex_name[16];
        !            66:        char                            pc_mem_dex_name[16];
        !            67:        char                            pc_mem_sex_name[16];
        !            68:        long                            pc_io_ex_storage[EXTENT_FIXED_STORAGE_SIZE(8) / sizeof(long)];
        !            69:        long                            pc_mem_dex_storage[EXTENT_FIXED_STORAGE_SIZE(8) / sizeof(long)];
        !            70:        long                            pc_mem_sex_storage[EXTENT_FIXED_STORAGE_SIZE(8) / sizeof(long)];
        !            71: };
        !            72:
        !            73: struct mcpcia_softc {
        !            74:        struct device           mcpcia_dev;
        !            75:        struct mcpcia_config    *mcpcia_cc;     /* config info */
        !            76: };
        !            77:
        !            78: void   mcpcia_init (void);
        !            79: void   mcpcia_init0 (struct mcpcia_config *, int);
        !            80: void   mcpcia_pci_init (pci_chipset_tag_t, void *);
        !            81: void   mcpcia_dma_init (struct mcpcia_config *);
        !            82:
        !            83: void   mcpcia_bus_io_init (bus_space_tag_t, void *);
        !            84: void   mcpcia_bus_mem_init (bus_space_tag_t, void *);
        !            85:
        !            86: /*
        !            87:  * IO Interrupt handler.
        !            88:  */
        !            89: void   mcpcia_iointr (void *, unsigned long);
        !            90:
        !            91: /*
        !            92:  * There are four PCI slots per MCPCIA PCI bus here, but some are 'hidden'-
        !            93:  * none seems to be higher than 6 though.
        !            94:  */
        !            95: #define        MCPCIA_MAXDEV   6
        !            96: #define        MCPCIA_MAXSLOT  8
        !            97:
        !            98: /*
        !            99:  * Interrupt Stuff for MCPCIA systems.
        !           100:  *
        !           101:  * EISA interrupts (at vector 0x800) have to be shared interrupts-
        !           102:  * and that can be easily managed. All the PCI interrupts are deterministic
        !           103:  * in that they start at vector 0x900, 0x40 per PCI slot, 0x200 per
        !           104:  * MCPCIA, 4 MCPCIAs per GCBUS....
        !           105:  */
        !           106: #define MCPCIA_EISA_KEYB_IRQ   1
        !           107: #define MCPCIA_EISA_MOUSE_IRQ  12
        !           108: #define MCPCIA_VEC_EISA                0x800
        !           109: #define MCPCIA_VEC_PCI         0x900
        !           110:
        !           111: /*
        !           112:  * Special Vectors
        !           113:  */
        !           114: #define        MCPCIA_I2C_CVEC         0xA90
        !           115: #define        MCPCIA_I2C_BVEC         0xAA0