144 lines
3.1 KiB
C
144 lines
3.1 KiB
C
/* -*- c-basic-offset: 8 -*-
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*
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* juju.h -- Internal header file for raw1394 emulation
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*
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* Copyright (C) 2007 Kristian Hoegsberg <krh@bitplanet.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __juju_h
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#define __juju_h
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#include <stdlib.h>
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#include <byteswap.h>
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#include <fw-device-cdev.h>
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#include "../src/raw1394.h"
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#include "../src/csr.h"
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#include "config.h"
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#define ACK_COMPLETE 1
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#define ptr_to_u64(p) ((__u64)(unsigned long)(p))
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#define u64_to_ptr(p) ((void *)(unsigned long)(p))
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static inline __u32
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be32_to_cpu(__u32 q)
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{
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union { char c[4]; __u32 q; } u = { { 1, 0, 0, 0 } };
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return u.q == 1 ? bswap_32(q) : q;
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}
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static inline __u32
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cpu_to_be32(__u32 q)
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{
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return be32_to_cpu(q);
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}
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#define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0])
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#define BUFFER_SIZE (16 * 1024)
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#define MAX_PORTS 16
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struct epoll_closure {
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int (*func)(raw1394handle_t handle,
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struct epoll_closure *closure, __uint32_t events);
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};
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struct port {
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char device_file[32];
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char *name;
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int node_count;
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int card;
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};
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#define MAX_DEVICES 63
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#define FILENAME_SIZE 16
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struct device {
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struct epoll_closure closure;
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int fd;
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int node_id;
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int generation;
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char filename[FILENAME_SIZE];
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};
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struct request_closure {
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void *data;
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size_t length;
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unsigned long tag;
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struct raw1394_reqhandle reqhandle;
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};
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struct allocation;
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struct raw1394_handle {
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struct port ports[MAX_PORTS];
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int port_count;
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int err;
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int generation;
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void *user_data;
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int notify_bus_reset;
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bus_reset_handler_t bus_reset_handler;
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tag_handler_t tag_handler;
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arm_tag_handler_t arm_tag_handler;
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fcp_handler_t fcp_handler;
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__u32 fcp_allocation_handle;
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struct allocation *allocations;
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int epoll_fd;
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int inotify_fd;
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int inotify_watch;
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int pipe_fds[2];
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struct epoll_closure pipe_closure;
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struct epoll_closure inotify_closure;
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struct device devices[MAX_DEVICES];
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int nodes[MAX_DEVICES];
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int local_fd;
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char local_filename[FILENAME_SIZE];
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struct fw_cdev_event_bus_reset reset;
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struct {
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struct epoll_closure closure;
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int fd;
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int type;
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int irq_interval;
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int packet_phase;
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int packet_count;
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int packet_index;
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int buf_packets;
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int max_packet_size;
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int prebuffer;
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int start_on_cycle;
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enum raw1394_iso_dma_recv_mode recv_mode;
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raw1394_iso_xmit_handler_t xmit_handler;
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raw1394_iso_recv_handler_t recv_handler;
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unsigned char *buffer, *buffer_end, *head;
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unsigned char *tail, *first_payload;
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struct fw_cdev_iso_packet *packets;
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} iso;
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char buffer[BUFFER_SIZE];
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};
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#endif
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