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Annotation of sys/arch/alpha/pci/mcpciavar.h, Revision 1.1.1.1

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