1 /* $OpenBSD: pci_machdep.h,v 1.10 2018/06/18 13:54:03 visa 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 #include <sys/systm.h> 29 30 typedef struct mips_pci_chipset *pci_chipset_tag_t; 31 typedef u_long pcitag_t; 32 typedef u_long pci_intr_handle_t; 33 34 struct pci_attach_args; 35 36 /* 37 * mips-specific PCI structure and type definitions. 38 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE. 39 */ 40 struct mips_pci_chipset { 41 void *pc_conf_v; 42 void (*pc_attach_hook)(struct device *, 43 struct device *, struct pcibus_attach_args *); 44 int (*pc_bus_maxdevs)(void *, int); 45 pcitag_t (*pc_make_tag)(void *, int, int, int); 46 void (*pc_decompose_tag)(void *, pcitag_t, int *, 47 int *, int *); 48 int (*pc_conf_size)(void *, pcitag_t); 49 pcireg_t (*pc_conf_read)(void *, pcitag_t, int); 50 void (*pc_conf_write)(void *, pcitag_t, int, pcireg_t); 51 52 void *pc_intr_v; 53 int (*pc_intr_map)(struct pci_attach_args *, 54 pci_intr_handle_t *); 55 const char *(*pc_intr_string)(void *, pci_intr_handle_t); 56 void *(*pc_intr_establish)(void *, pci_intr_handle_t, 57 int, int (*)(void *), void *, char *); 58 void (*pc_intr_disestablish)(void *, void *); 59 }; 60 61 /* 62 * Functions provided to machine-independent PCI code. 63 */ 64 //#define DEBUG_PCI_CONF 65 66 #define pci_attach_hook(p, s, pba) \ 67 (*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba)) 68 #define pci_bus_maxdevs(c, b) \ 69 (*(c)->pc_bus_maxdevs)((c)->pc_conf_v, (b)) 70 #define pci_make_tag(c, b, d, f) \ 71 (*(c)->pc_make_tag)((c)->pc_conf_v, (b), (d), (f)) 72 #define pci_decompose_tag(c, t, bp, dp, fp) \ 73 (*(c)->pc_decompose_tag)((c)->pc_conf_v, (t), (bp), (dp), (fp)) 74 75 #define pci_conf_size(c, t) \ 76 (*(c)->pc_conf_size)((c)->pc_conf_v, (t)) 77 78 #ifdef DEBUG_PCI_CONF 79 static inline pcireg_t 80 pci_conf_read_db(void *cookie, pcitag_t tag, int reg, 81 const char *file, const char *func, int line) 82 { 83 struct mips_pci_chipset *pc = cookie; 84 pcireg_t val; 85 86 val = (*(pc)->pc_conf_read)(pc->pc_conf_v, tag, reg); 87 printf("%s:%s:%d:pci_conf_read(%lx,%x) = %x\n", file, func, line, 88 tag, reg, val); 89 return val; 90 } 91 92 static inline void 93 pci_conf_write_db(void *cookie, pcitag_t tag, int reg, pcireg_t val, 94 const char *file, const char *func, int line) 95 { 96 struct mips_pci_chipset *pc = cookie; 97 98 printf("%s:%s:%d:pci_conf_write(%lx,%x,%x)\n", file, func, line, 99 tag, reg, val); 100 (*(pc)->pc_conf_write)(pc->pc_conf_v, tag, reg, val); 101 } 102 103 104 #define pci_conf_read(c, t, r) \ 105 pci_conf_read_db(c, t, r, __FILE__, __FUNCTION__, __LINE__) 106 #define pci_conf_write(c, t, r, v) \ 107 pci_conf_write_db(c, t, r, v, __FILE__, __FUNCTION__, __LINE__) 108 #else 109 #define pci_conf_read(c, t, r) \ 110 (*(c)->pc_conf_read)((c)->pc_conf_v, (t), (r)) 111 #define pci_conf_write(c, t, r, v) \ 112 (*(c)->pc_conf_write)((c)->pc_conf_v, (t), (r), (v)) 113 #endif 114 #define pci_intr_map(c, ihp) \ 115 (*(c)->pa_pc->pc_intr_map)((c), (ihp)) 116 #define pci_intr_map_msi(c, ihp) (-1) 117 #define pci_intr_map_msix(c, vec, ihp) (-1) 118 #define pci_intr_string(c, ih) \ 119 (*(c)->pc_intr_string)((c)->pc_intr_v, (ih)) 120 #define pci_intr_establish(c, ih, l, h, a, nm) \ 121 (*(c)->pc_intr_establish)((c)->pc_intr_v, (ih), (l), (h), (a), (nm)) 122 #define pci_intr_disestablish(c, iv) \ 123 (*(c)->pc_intr_disestablish)((c)->pc_intr_v, (iv)) 124 #define pci_probe_device_hook(c, a) (0) 125 126 #define pci_min_powerstate(c, t) (PCI_PMCSR_STATE_D3) 127 #define pci_set_powerstate_md(c, t, s, p) 128 129 /* 130 * Functions used during early system configuration. 131 */ 132 133 pcitag_t pci_make_tag_early(int, int, int); 134 pcireg_t pci_conf_read_early(pcitag_t, int); 135 136 #define pci_dev_postattach(a, b) 137