Annotation of sys/arch/hppa64/include/bus.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: bus.h,v 1.1 2005/04/01 10:40:48 mickey Exp $ */
! 2:
! 3: /*
! 4: * Copyright (c) 2005 Michael Shalayeff
! 5: * All rights reserved.
! 6: *
! 7: * Permission to use, copy, modify, and distribute this software for any
! 8: * purpose with or without fee is hereby granted, provided that the above
! 9: * copyright notice and this permission notice appear in all copies.
! 10: *
! 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
! 12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
! 14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 15: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER IN
! 16: * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
! 17: * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 18: */
! 19:
! 20: #ifndef _MACHINE_BUS_H_
! 21: #define _MACHINE_BUS_H_
! 22:
! 23: /* addresses in bus space */
! 24: typedef u_long bus_addr_t;
! 25: typedef u_long bus_size_t;
! 26:
! 27: /* access methods for bus space */
! 28: typedef u_long bus_space_handle_t;
! 29:
! 30: struct hppa64_bus_space_tag {
! 31: void *hbt_cookie;
! 32:
! 33: int (*hbt_map)(void *v, bus_addr_t addr, bus_size_t size,
! 34: int flags, bus_space_handle_t *bshp);
! 35: void (*hbt_unmap)(void *v, bus_space_handle_t bsh, bus_size_t size);
! 36: int (*hbt_subregion)(void *v, bus_space_handle_t bsh,
! 37: bus_size_t offset, bus_size_t size,
! 38: bus_space_handle_t *nbshp);
! 39: int (*hbt_alloc)(void *v, bus_addr_t rstart, bus_addr_t rend,
! 40: bus_size_t size, bus_size_t align, bus_size_t boundary,
! 41: int flags, bus_addr_t *addrp, bus_space_handle_t *bshp);
! 42: void (*hbt_free)(void *, bus_space_handle_t, bus_size_t);
! 43: void (*hbt_barrier)(void *v, bus_space_handle_t h,
! 44: bus_size_t o, bus_size_t l, int op);
! 45: u_int8_t (*hbt_r1)(void *, bus_space_handle_t, bus_size_t);
! 46: u_int16_t (*hbt_r2)(void *, bus_space_handle_t, bus_size_t);
! 47: u_int32_t (*hbt_r4)(void *, bus_space_handle_t, bus_size_t);
! 48: u_int64_t (*hbt_r8)(void *, bus_space_handle_t, bus_size_t);
! 49:
! 50: void (*hbt_w1)(void *, bus_space_handle_t, bus_size_t, u_int8_t);
! 51: void (*hbt_w2)(void *, bus_space_handle_t, bus_size_t, u_int16_t);
! 52: void (*hbt_w4)(void *, bus_space_handle_t, bus_size_t, u_int32_t);
! 53: void (*hbt_w8)(void *, bus_space_handle_t, bus_size_t, u_int64_t);
! 54:
! 55: void (*hbt_rm_1)(void *v, bus_space_handle_t h,
! 56: bus_size_t o, u_int8_t *a, bus_size_t c);
! 57: void (*hbt_rm_2)(void *v, bus_space_handle_t h,
! 58: bus_size_t o, u_int16_t *a, bus_size_t c);
! 59: void (*hbt_rm_4)(void *v, bus_space_handle_t h,
! 60: bus_size_t o, u_int32_t *a, bus_size_t c);
! 61: void (*hbt_rm_8)(void *v, bus_space_handle_t h,
! 62: bus_size_t o, u_int64_t *a, bus_size_t c);
! 63:
! 64: void (*hbt_wm_1)(void *v, bus_space_handle_t h, bus_size_t o,
! 65: const u_int8_t *a, bus_size_t c);
! 66: void (*hbt_wm_2)(void *v, bus_space_handle_t h, bus_size_t o,
! 67: const u_int16_t *a, bus_size_t c);
! 68: void (*hbt_wm_4)(void *v, bus_space_handle_t h, bus_size_t o,
! 69: const u_int32_t *a, bus_size_t c);
! 70: void (*hbt_wm_8)(void *v, bus_space_handle_t h, bus_size_t o,
! 71: const u_int64_t *a, bus_size_t c);
! 72:
! 73: void (*hbt_sm_1)(void *v, bus_space_handle_t h, bus_size_t o,
! 74: u_int8_t vv, bus_size_t c);
! 75: void (*hbt_sm_2)(void *v, bus_space_handle_t h, bus_size_t o,
! 76: u_int16_t vv, bus_size_t c);
! 77: void (*hbt_sm_4)(void *v, bus_space_handle_t h, bus_size_t o,
! 78: u_int32_t vv, bus_size_t c);
! 79: void (*hbt_sm_8)(void *v, bus_space_handle_t h, bus_size_t o,
! 80: u_int64_t vv, bus_size_t c);
! 81:
! 82: void (*hbt_rrm_2)(void *v, bus_space_handle_t h,
! 83: bus_size_t o, u_int8_t *a, bus_size_t c);
! 84: void (*hbt_rrm_4)(void *v, bus_space_handle_t h,
! 85: bus_size_t o, u_int8_t *a, bus_size_t c);
! 86: void (*hbt_rrm_8)(void *v, bus_space_handle_t h,
! 87: bus_size_t o, u_int8_t *a, bus_size_t c);
! 88:
! 89: void (*hbt_wrm_2)(void *v, bus_space_handle_t h,
! 90: bus_size_t o, const u_int8_t *a, bus_size_t c);
! 91: void (*hbt_wrm_4)(void *v, bus_space_handle_t h,
! 92: bus_size_t o, const u_int8_t *a, bus_size_t c);
! 93: void (*hbt_wrm_8)(void *v, bus_space_handle_t h,
! 94: bus_size_t o, const u_int8_t *a, bus_size_t c);
! 95:
! 96: void (*hbt_rr_1)(void *v, bus_space_handle_t h,
! 97: bus_size_t o, u_int8_t *a, bus_size_t c);
! 98: void (*hbt_rr_2)(void *v, bus_space_handle_t h,
! 99: bus_size_t o, u_int16_t *a, bus_size_t c);
! 100: void (*hbt_rr_4)(void *v, bus_space_handle_t h,
! 101: bus_size_t o, u_int32_t *a, bus_size_t c);
! 102: void (*hbt_rr_8)(void *v, bus_space_handle_t h,
! 103: bus_size_t o, u_int64_t *a, bus_size_t c);
! 104:
! 105: void (*hbt_wr_1)(void *v, bus_space_handle_t h,
! 106: bus_size_t o, const u_int8_t *a, bus_size_t c);
! 107: void (*hbt_wr_2)(void *v, bus_space_handle_t h,
! 108: bus_size_t o, const u_int16_t *a, bus_size_t c);
! 109: void (*hbt_wr_4)(void *v, bus_space_handle_t h,
! 110: bus_size_t o, const u_int32_t *a, bus_size_t c);
! 111: void (*hbt_wr_8)(void *v, bus_space_handle_t h,
! 112: bus_size_t o, const u_int64_t *a, bus_size_t c);
! 113:
! 114: void (*hbt_rrr_2)(void *v, bus_space_handle_t h,
! 115: bus_size_t o, u_int8_t *a, bus_size_t c);
! 116: void (*hbt_rrr_4)(void *v, bus_space_handle_t h,
! 117: bus_size_t o, u_int8_t *a, bus_size_t c);
! 118: void (*hbt_rrr_8)(void *v, bus_space_handle_t h,
! 119: bus_size_t o, u_int8_t *a, bus_size_t c);
! 120:
! 121: void (*hbt_wrr_2)(void *v, bus_space_handle_t h,
! 122: bus_size_t o, const u_int8_t *a, bus_size_t c);
! 123: void (*hbt_wrr_4)(void *v, bus_space_handle_t h,
! 124: bus_size_t o, const u_int8_t *a, bus_size_t c);
! 125: void (*hbt_wrr_8)(void *v, bus_space_handle_t h,
! 126: bus_size_t o, const u_int8_t *a, bus_size_t c);
! 127:
! 128: void (*hbt_sr_1)(void *v, bus_space_handle_t h,
! 129: bus_size_t o, u_int8_t vv, bus_size_t c);
! 130: void (*hbt_sr_2)(void *v, bus_space_handle_t h,
! 131: bus_size_t o, u_int16_t vv, bus_size_t c);
! 132: void (*hbt_sr_4)(void *v, bus_space_handle_t h,
! 133: bus_size_t o, u_int32_t vv, bus_size_t c);
! 134: void (*hbt_sr_8)(void *v, bus_space_handle_t h,
! 135: bus_size_t o, u_int64_t vv, bus_size_t c);
! 136:
! 137: void (*hbt_cp_1)(void *v, bus_space_handle_t h1, bus_size_t o1,
! 138: bus_space_handle_t h2, bus_size_t o2, bus_size_t c);
! 139: void (*hbt_cp_2)(void *v, bus_space_handle_t h1, bus_size_t o1,
! 140: bus_space_handle_t h2, bus_size_t o2, bus_size_t c);
! 141: void (*hbt_cp_4)(void *v, bus_space_handle_t h1, bus_size_t o1,
! 142: bus_space_handle_t h2, bus_size_t o2, bus_size_t c);
! 143: void (*hbt_cp_8)(void *v, bus_space_handle_t h1, bus_size_t o1,
! 144: bus_space_handle_t h2, bus_size_t o2, bus_size_t c);
! 145: };
! 146: typedef struct hppa64_bus_space_tag *bus_space_tag_t;
! 147:
! 148: /* flags for bus space map functions */
! 149: #define BUS_SPACE_MAP_CACHEABLE 0x0001
! 150: #define BUS_SPACE_MAP_LINEAR 0x0002
! 151: #define BUS_SPACE_MAP_READONLY 0x0004
! 152: #define BUS_SPACE_MAP_PREFETCHABLE 0x0008
! 153:
! 154: /* bus access routines */
! 155:
! 156: #define bus_space_map(t,a,c,ca,hp) \
! 157: (((t)->hbt_map)((t)->hbt_cookie,(a),(c),(ca),(hp)))
! 158: #define bus_space_unmap(t,h,c) \
! 159: (((t)->hbt_unmap)((t)->hbt_cookie,(h),(c)))
! 160: #define bus_space_subregion(t,h,o,c,hp) \
! 161: (((t)->hbt_subregion)((t)->hbt_cookie,(h),(o),(c),(hp)))
! 162: #define bus_space_alloc(t,b,e,c,al,bn,ca,ap,hp) \
! 163: (((t)->hbt_alloc)((t)->hbt_cookie,(b),(e),(c),(al),(bn),(ca),(ap),(hp)))
! 164: #define bus_space_free(t,h,c) \
! 165: (((t)->hbt_free)((t)->hbt_cookie,(h),(c)))
! 166:
! 167: #define BUS_SPACE_BARRIER_READ 0
! 168: #define BUS_SPACE_BARRIER_WRITE 1
! 169:
! 170: #define bus_space_barrier(t,h,o,l,op) \
! 171: ((t)->hbt_barrier((t)->hbt_cookie, (h), (o), (l), (op)))
! 172: #define bus_space_vaddr(t,h) ((vaddr_t)(h))
! 173:
! 174: #define bus_space_read_1(t,h,o) (((t)->hbt_r1)((t)->hbt_cookie,(h),(o)))
! 175: #define bus_space_read_2(t,h,o) (((t)->hbt_r2)((t)->hbt_cookie,(h),(o)))
! 176: #define bus_space_read_4(t,h,o) (((t)->hbt_r4)((t)->hbt_cookie,(h),(o)))
! 177: #define bus_space_read_8(t,h,o) (((t)->hbt_r8)((t)->hbt_cookie,(h),(o)))
! 178:
! 179: #define bus_space_write_1(t,h,o,v) (((t)->hbt_w1)((t)->hbt_cookie,(h),(o),(v)))
! 180: #define bus_space_write_2(t,h,o,v) (((t)->hbt_w2)((t)->hbt_cookie,(h),(o),(v)))
! 181: #define bus_space_write_4(t,h,o,v) (((t)->hbt_w4)((t)->hbt_cookie,(h),(o),(v)))
! 182: #define bus_space_write_8(t,h,o,v) (((t)->hbt_w8)((t)->hbt_cookie,(h),(o),(v)))
! 183:
! 184: #define bus_space_read_multi_1(t,h,o,a,c) \
! 185: (((t)->hbt_rm_1)((t)->hbt_cookie, (h), (o), (a), (c)))
! 186: #define bus_space_read_multi_2(t,h,o,a,c) \
! 187: (((t)->hbt_rm_2)((t)->hbt_cookie, (h), (o), (a), (c)))
! 188: #define bus_space_read_multi_4(t,h,o,a,c) \
! 189: (((t)->hbt_rm_4)((t)->hbt_cookie, (h), (o), (a), (c)))
! 190: #define bus_space_read_multi_8(t,h,o,a,c) \
! 191: (((t)->hbt_rm_8)((t)->hbt_cookie, (h), (o), (a), (c)))
! 192:
! 193: #define bus_space_write_multi_1(t,h,o,a,c) \
! 194: (((t)->hbt_wm_1)((t)->hbt_cookie, (h), (o), (a), (c)))
! 195: #define bus_space_write_multi_2(t,h,o,a,c) \
! 196: (((t)->hbt_wm_2)((t)->hbt_cookie, (h), (o), (a), (c)))
! 197: #define bus_space_write_multi_4(t,h,o,a,c) \
! 198: (((t)->hbt_wm_4)((t)->hbt_cookie, (h), (o), (a), (c)))
! 199: #define bus_space_write_multi_8(t,h,o,a,c) \
! 200: (((t)->hbt_wm_8)((t)->hbt_cookie, (h), (o), (a), (c)))
! 201:
! 202: #define bus_space_set_multi_1(t,h,o,v,c) \
! 203: (((t)->hbt_sm_1)((t)->hbt_cookie, (h), (o), (v), (c)))
! 204: #define bus_space_set_multi_2(t,h,o,v,c) \
! 205: (((t)->hbt_sm_2)((t)->hbt_cookie, (h), (o), (v), (c)))
! 206: #define bus_space_set_multi_4(t,h,o,v,c) \
! 207: (((t)->hbt_sm_4)((t)->hbt_cookie, (h), (o), (v), (c)))
! 208: #define bus_space_set_multi_8(t,h,o,v,c) \
! 209: (((t)->hbt_sm_8)((t)->hbt_cookie, (h), (o), (v), (c)))
! 210:
! 211: #define bus_space_read_raw_multi_2(t, h, o, a, c) \
! 212: (((t)->hbt_rrm_2)((t)->hbt_cookie, (h), (o), (a), (c)))
! 213: #define bus_space_read_raw_multi_4(t, h, o, a, c) \
! 214: (((t)->hbt_rrm_4)((t)->hbt_cookie, (h), (o), (a), (c)))
! 215: #define bus_space_read_raw_multi_8(t, h, o, a, c) \
! 216: (((t)->hbt_rrm_8)((t)->hbt_cookie, (h), (o), (a), (c)))
! 217:
! 218: #define bus_space_write_raw_multi_2(t, h, o, a, c) \
! 219: (((t)->hbt_wrm_2)((t)->hbt_cookie, (h), (o), (a), (c)))
! 220: #define bus_space_write_raw_multi_4(t, h, o, a, c) \
! 221: (((t)->hbt_wrm_4)((t)->hbt_cookie, (h), (o), (a), (c)))
! 222: #define bus_space_write_raw_multi_8(t, h, o, a, c) \
! 223: (((t)->hbt_wrm_8)((t)->hbt_cookie, (h), (o), (a), (c)))
! 224:
! 225: #define bus_space_read_region_1(t, h, o, a, c) \
! 226: (((t)->hbt_rr_1)((t)->hbt_cookie, (h), (o), (a), (c)))
! 227: #define bus_space_read_region_2(t, h, o, a, c) \
! 228: (((t)->hbt_rr_2)((t)->hbt_cookie, (h), (o), (a), (c)))
! 229: #define bus_space_read_region_4(t, h, o, a, c) \
! 230: (((t)->hbt_rr_4)((t)->hbt_cookie, (h), (o), (a), (c)))
! 231: #define bus_space_read_region_8(t, h, o, a, c) \
! 232: (((t)->hbt_rr_8)((t)->hbt_cookie, (h), (o), (a), (c)))
! 233:
! 234: #define bus_space_write_region_1(t, h, o, a, c) \
! 235: (((t)->hbt_wr_1)((t)->hbt_cookie, (h), (o), (a), (c)))
! 236: #define bus_space_write_region_2(t, h, o, a, c) \
! 237: (((t)->hbt_wr_2)((t)->hbt_cookie, (h), (o), (a), (c)))
! 238: #define bus_space_write_region_4(t, h, o, a, c) \
! 239: (((t)->hbt_wr_4)((t)->hbt_cookie, (h), (o), (a), (c)))
! 240: #define bus_space_write_region_8(t, h, o, a, c) \
! 241: (((t)->hbt_wr_8)((t)->hbt_cookie, (h), (o), (a), (c)))
! 242:
! 243: #define bus_space_read_raw_region_2(t, h, o, a, c) \
! 244: (((t)->hbt_rrr_2)((t)->hbt_cookie, (h), (o), (a), (c)))
! 245: #define bus_space_read_raw_region_4(t, h, o, a, c) \
! 246: (((t)->hbt_rrr_4)((t)->hbt_cookie, (h), (o), (a), (c)))
! 247: #define bus_space_read_raw_region_8(t, h, o, a, c) \
! 248: (((t)->hbt_rrr_8)((t)->hbt_cookie, (h), (o), (a), (c)))
! 249:
! 250: #define bus_space_write_raw_region_2(t, h, o, a, c) \
! 251: (((t)->hbt_wrr_2)((t)->hbt_cookie, (h), (o), (a), (c)))
! 252: #define bus_space_write_raw_region_4(t, h, o, a, c) \
! 253: (((t)->hbt_wrr_4)((t)->hbt_cookie, (h), (o), (a), (c)))
! 254: #define bus_space_write_raw_region_8(t, h, o, a, c) \
! 255: (((t)->hbt_wrr_8)((t)->hbt_cookie, (h), (o), (a), (c)))
! 256:
! 257: #define bus_space_set_region_1(t, h, o, v, c) \
! 258: (((t)->hbt_sr_1)((t)->hbt_cookie, (h), (o), (v), (c)))
! 259: #define bus_space_set_region_2(t, h, o, v, c) \
! 260: (((t)->hbt_sr_2)((t)->hbt_cookie, (h), (o), (v), (c)))
! 261: #define bus_space_set_region_4(t, h, o, v, c) \
! 262: (((t)->hbt_sr_4)((t)->hbt_cookie, (h), (o), (v), (c)))
! 263: #define bus_space_set_region_8(t, h, o, v, c) \
! 264: (((t)->hbt_sr_8)((t)->hbt_cookie, (h), (o), (v), (c)))
! 265:
! 266: #define bus_space_copy_1(t, h1, o1, h2, o2, c) \
! 267: (((t)->hbt_cp_1)((t)->hbt_cookie, (h1), (o1), (h2), (o2), (c)))
! 268: #define bus_space_copy_2(t, h1, o1, h2, o2, c) \
! 269: (((t)->hbt_cp_2)((t)->hbt_cookie, (h1), (o1), (h2), (o2), (c)))
! 270: #define bus_space_copy_4(t, h1, o1, h2, o2, c) \
! 271: (((t)->hbt_cp_4)((t)->hbt_cookie, (h1), (o1), (h2), (o2), (c)))
! 272: #define bus_space_copy_8(t, h1, o1, h2, o2, c) \
! 273: (((t)->hbt_cp_8)((t)->hbt_cookie, (h1), (o1), (h2), (o2), (c)))
! 274: #define BUS_DMA_WAITOK 0x000 /* safe to sleep (pseudo-flag) */
! 275: #define BUS_DMA_NOWAIT 0x001 /* not safe to sleep */
! 276: #define BUS_DMA_ALLOCNOW 0x002 /* perform resource allocation now */
! 277: #define BUS_DMA_COHERENT 0x004 /* hint: map memory DMA coherent */
! 278: #define BUS_DMAMEM_NOSYNC 0x010
! 279: #define BUS_DMA_BUS1 0x020 /* placeholders for bus functions... */
! 280: #define BUS_DMA_BUS2 0x040
! 281: #define BUS_DMA_BUS3 0x080
! 282: #define BUS_DMA_BUS4 0x100
! 283: #define BUS_DMA_STREAMING 0x200 /* hint: sequential, unidirectional */
! 284: #define BUS_DMA_READ 0x400 /* mapping is device -> memory only */
! 285: #define BUS_DMA_WRITE 0x800 /* mapping is memory -> device only */
! 286:
! 287: /* Forwards needed by prototypes below. */
! 288: struct mbuf;
! 289: struct proc;
! 290: struct uio;
! 291:
! 292: /* Operations performed by bus_dmamap_sync(). */
! 293: #define BUS_DMASYNC_POSTREAD 0x01
! 294: #define BUS_DMASYNC_POSTWRITE 0x02
! 295: #define BUS_DMASYNC_PREREAD 0x04
! 296: #define BUS_DMASYNC_PREWRITE 0x08
! 297:
! 298: typedef const struct hppa64_bus_dma_tag *bus_dma_tag_t;
! 299: typedef struct hppa64_bus_dmamap *bus_dmamap_t;
! 300:
! 301: /*
! 302: * bus_dma_segment_t
! 303: *
! 304: * Describes a single contiguous DMA transaction. Values
! 305: * are suitable for programming into DMA registers.
! 306: */
! 307: struct hppa64_bus_dma_segment {
! 308: vaddr_t _ds_va; /* needed for syncing */
! 309:
! 310: bus_addr_t ds_addr; /* DMA address */
! 311: bus_size_t ds_len; /* length of transfer */
! 312: };
! 313: typedef struct hppa64_bus_dma_segment bus_dma_segment_t;
! 314:
! 315: /*
! 316: * bus_dma_tag_t
! 317: *
! 318: * A machine-dependent opaque type describing the implementation of
! 319: * DMA for a given bus.
! 320: */
! 321:
! 322: struct hppa64_bus_dma_tag {
! 323: void *_cookie; /* cookie used in the guts */
! 324:
! 325: /*
! 326: * DMA mapping methods.
! 327: */
! 328: int (*_dmamap_create)(void *, bus_size_t, int,
! 329: bus_size_t, bus_size_t, int, bus_dmamap_t *);
! 330: void (*_dmamap_destroy)(void *, bus_dmamap_t);
! 331: int (*_dmamap_load)(void *, bus_dmamap_t, void *,
! 332: bus_size_t, struct proc *, int);
! 333: int (*_dmamap_load_mbuf)(void *, bus_dmamap_t,
! 334: struct mbuf *, int);
! 335: int (*_dmamap_load_uio)(void *, bus_dmamap_t,
! 336: struct uio *, int);
! 337: int (*_dmamap_load_raw)(void *, bus_dmamap_t,
! 338: bus_dma_segment_t *, int, bus_size_t, int);
! 339: void (*_dmamap_unload)(void *, bus_dmamap_t);
! 340: void (*_dmamap_sync)(void *, bus_dmamap_t, bus_addr_t,
! 341: bus_size_t, int);
! 342:
! 343: /*
! 344: * DMA memory utility functions.
! 345: */
! 346: int (*_dmamem_alloc)(void *, bus_size_t, bus_size_t,
! 347: bus_size_t, bus_dma_segment_t *, int, int *, int);
! 348: void (*_dmamem_free)(void *, bus_dma_segment_t *, int);
! 349: int (*_dmamem_map)(void *, bus_dma_segment_t *,
! 350: int, size_t, caddr_t *, int);
! 351: void (*_dmamem_unmap)(void *, caddr_t, size_t);
! 352: paddr_t (*_dmamem_mmap)(void *, bus_dma_segment_t *,
! 353: int, off_t, int, int);
! 354: };
! 355:
! 356: #define bus_dmamap_create(t, s, n, m, b, f, p) \
! 357: (*(t)->_dmamap_create)((t)->_cookie, (s), (n), (m), (b), (f), (p))
! 358: #define bus_dmamap_destroy(t, p) \
! 359: (*(t)->_dmamap_destroy)((t)->_cookie, (p))
! 360: #define bus_dmamap_load(t, m, b, s, p, f) \
! 361: (*(t)->_dmamap_load)((t)->_cookie, (m), (b), (s), (p), (f))
! 362: #define bus_dmamap_load_mbuf(t, m, b, f) \
! 363: (*(t)->_dmamap_load_mbuf)((t)->_cookie, (m), (b), (f))
! 364: #define bus_dmamap_load_uio(t, m, u, f) \
! 365: (*(t)->_dmamap_load_uio)((t)->_cookie, (m), (u), (f))
! 366: #define bus_dmamap_load_raw(t, m, sg, n, s, f) \
! 367: (*(t)->_dmamap_load_raw)((t)->_cookie, (m), (sg), (n), (s), (f))
! 368: #define bus_dmamap_unload(t, p) \
! 369: (*(t)->_dmamap_unload)((t)->_cookie, (p))
! 370: #define bus_dmamap_sync(t, p, a, l, o) \
! 371: (void)((t)->_dmamap_sync ? \
! 372: (*(t)->_dmamap_sync)((t)->_cookie, (p), (a), (l), (o)) : (void)0)
! 373:
! 374: #define bus_dmamem_alloc(t, s, a, b, sg, n, r, f) \
! 375: (*(t)->_dmamem_alloc)((t)->_cookie, (s), (a), (b), (sg), (n), (r), (f))
! 376: #define bus_dmamem_free(t, sg, n) \
! 377: (*(t)->_dmamem_free)((t)->_cookie, (sg), (n))
! 378: #define bus_dmamem_map(t, sg, n, s, k, f) \
! 379: (*(t)->_dmamem_map)((t)->_cookie, (sg), (n), (s), (k), (f))
! 380: #define bus_dmamem_unmap(t, k, s) \
! 381: (*(t)->_dmamem_unmap)((t)->_cookie, (k), (s))
! 382: #define bus_dmamem_mmap(t, sg, n, o, p, f) \
! 383: (*(t)->_dmamem_mmap)((t)->_cookie, (sg), (n), (o), (p), (f))
! 384:
! 385: /*
! 386: * bus_dmamap_t
! 387: *
! 388: * Describes a DMA mapping.
! 389: */
! 390: struct hppa64_bus_dmamap {
! 391: /*
! 392: * PRIVATE MEMBERS: not for use by machine-independent code.
! 393: */
! 394: bus_size_t _dm_size; /* largest DMA transfer mappable */
! 395: int _dm_segcnt; /* number of segs this map can map */
! 396: bus_size_t _dm_maxsegsz; /* largest possible segment */
! 397: bus_size_t _dm_boundary; /* don't cross this */
! 398: int _dm_flags; /* misc. flags */
! 399:
! 400: void *_dm_cookie; /* cookie for bus-specific functions */
! 401:
! 402: /*
! 403: * PUBLIC MEMBERS: these are used by machine-independent code.
! 404: */
! 405: bus_size_t dm_mapsize; /* size of the mapping */
! 406: int dm_nsegs; /* # valid segments in mapping */
! 407: bus_dma_segment_t dm_segs[1]; /* segments; variable length */
! 408: };
! 409:
! 410: #endif /* _MACHINE_BUS_H_ */
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