1 /* $OpenBSD: pci_machdep.h,v 1.10 2016/05/04 14:30:01 kettenis 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 int (*pc_conf_size)(void *, pcitag_t); 48 pcireg_t (*pc_conf_read)(void *, pcitag_t, int); 49 void (*pc_conf_write)(void *, pcitag_t, int, pcireg_t); 50 51 void *pc_intr_v; 52 int (*pc_intr_map)(struct pci_attach_args *, pci_intr_handle_t *); 53 const char *(*pc_intr_string)(void *, pci_intr_handle_t); 54 void *(*pc_intr_establish)(void *, pci_intr_handle_t, 55 int, int (*)(void *), void *, char *); 56 void (*pc_intr_disestablish)(void *, void *); 57 }; 58 59 /* 60 * Functions provided to machine-independent PCI code. 61 */ 62 #define pci_attach_hook(p, s, pba) \ 63 (*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba)) 64 #define pci_bus_maxdevs(c, b) \ 65 (*(c)->pc_bus_maxdevs)((c)->pc_conf_v, (b)) 66 #define pci_make_tag(c, b, d, f) \ 67 (*(c)->pc_make_tag)((c)->pc_conf_v, (b), (d), (f)) 68 #define pci_decompose_tag(c, t, bp, dp, fp) \ 69 (*(c)->pc_decompose_tag)((c)->pc_conf_v, (t), (bp), (dp), (fp)) 70 #define pci_conf_size(c, t) \ 71 (*(c)->pc_conf_size)((c)->pc_conf_v, (t)) 72 #define pci_conf_read(c, t, r) \ 73 (*(c)->pc_conf_read)((c)->pc_conf_v, (t), (r)) 74 #define pci_conf_write(c, t, r, v) \ 75 (*(c)->pc_conf_write)((c)->pc_conf_v, (t), (r), (v)) 76 #define pci_intr_map(c, ihp) \ 77 (*(c)->pa_pc->pc_intr_map)((c), (ihp)) 78 #define pci_intr_map_msi(c, ihp) (-1) 79 #define pci_intr_map_msix(c, vec, ihp) (-1) 80 #define pci_intr_string(c, ih) \ 81 (*(c)->pc_intr_string)((c)->pc_intr_v, (ih)) 82 #define pci_intr_establish(c, ih, l, h, a, nm) \ 83 (*(c)->pc_intr_establish)((c)->pc_intr_v, (ih), (l), (h), (a), (nm)) 84 #define pci_intr_disestablish(c, iv) \ 85 (*(c)->pc_intr_disestablish)((c)->pc_intr_v, (iv)) 86 #define pci_probe_device_hook(c, a) (0) 87 88 #define pci_min_powerstate(c, t) (PCI_PMCSR_STATE_D3) 89 #define pci_set_powerstate_md(c, t, s, p) 90 91 /* PCI view of CPU memory */ 92 extern paddr_t loongson_dma_base; 93 94 /* 95 * Functions used during early system configuration. 96 */ 97 98 extern pcitag_t (*pci_make_tag_early)(int, int, int); 99 extern pcireg_t (*pci_conf_read_early)(pcitag_t, int); 100 101 #define pci_dev_postattach(a, b) 102