1 /* $OpenBSD: pci_machdep.h,v 1.1.1.1 2009/08/05 09:46:47 miod Exp $ */ 2 3 /* 4 * Copyright (c) 2003-2004 Opsycon AB (www.opsycon.se / www.opsycon.com) 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 16 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 19 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 */ 28 29 typedef struct mips_pci_chipset *pci_chipset_tag_t; 30 typedef u_long pcitag_t; 31 typedef u_long pci_intr_handle_t; 32 33 struct pci_attach_args; 34 35 /* 36 * mips-specific PCI structure and type definitions. 37 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE. 38 */ 39 struct mips_pci_chipset { 40 void *pc_conf_v; 41 void (*pc_attach_hook)(struct device *, 42 struct device *, struct pcibus_attach_args *); 43 int (*pc_bus_maxdevs)(void *, int); 44 pcitag_t (*pc_make_tag)(void *, int, int, int); 45 void (*pc_decompose_tag)(void *, pcitag_t, int *, 46 int *, int *); 47 pcireg_t (*pc_conf_read)(void *, pcitag_t, int); 48 void (*pc_conf_write)(void *, pcitag_t, int, pcireg_t); 49 50 void *pc_intr_v; 51 int (*pc_intr_map)(struct pci_attach_args *, pci_intr_handle_t *); 52 const char *(*pc_intr_string)(void *, pci_intr_handle_t); 53 void *(*pc_intr_establish)(void *, pci_intr_handle_t, 54 int, int (*)(void *), void *, char *); 55 void (*pc_intr_disestablish)(void *, void *); 56 }; 57 58 /* 59 * Functions provided to machine-independent PCI code. 60 */ 61 #define pci_attach_hook(p, s, pba) \ 62 (*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba)) 63 #define pci_bus_maxdevs(c, b) \ 64 (*(c)->pc_bus_maxdevs)((c)->pc_conf_v, (b)) 65 #define pci_make_tag(c, b, d, f) \ 66 (*(c)->pc_make_tag)((c)->pc_conf_v, (b), (d), (f)) 67 #define pci_decompose_tag(c, t, bp, dp, fp) \ 68 (*(c)->pc_decompose_tag)((c)->pc_conf_v, (t), (bp), (dp), (fp)) 69 #define pci_conf_read(c, t, r) \ 70 (*(c)->pc_conf_read)((c)->pc_conf_v, (t), (r)) 71 #define pci_conf_write(c, t, r, v) \ 72 (*(c)->pc_conf_write)((c)->pc_conf_v, (t), (r), (v)) 73 #define pci_intr_map(c, ihp) \ 74 (*(c)->pa_pc->pc_intr_map)((c), (ihp)) 75 #define pci_intr_string(c, ih) \ 76 (*(c)->pc_intr_string)((c)->pc_intr_v, (ih)) 77 #define pci_intr_establish(c, ih, l, h, a, nm) \ 78 (*(c)->pc_intr_establish)((c)->pc_intr_v, (ih), (l), (h), (a), (nm)) 79 #define pci_intr_disestablish(c, iv) \ 80 (*(c)->pc_intr_disestablish)((c)->pc_intr_v, (iv)) 81 82 /* CPU view of PCI resources */ 83 extern paddr_t loongson_pci_base; 84 /* PCI view of CPU memory */ 85 extern paddr_t loongson_dma_base; 86