1 files changed, 268 insertions, 0 deletions

diff --git a/include/linux/firewire-cdev.h b/include/linux/firewire-cdev.h
new file mode 100644
index 000000000000..026c768e3bf1
--- /dev/null
+++ b/include/linux/firewire-cdev.h
@@ -0,0 +1,268 @@
+/*                                              -*- c-basic-offset: 8 -*-
+ *
+ * fw-device-cdev.h -- Char device interface.
+ *
+ * Copyright (C) 2005-2006  Kristian Hoegsberg <krh@bitplanet.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __fw_cdev_h
+#define __fw_cdev_h
+
+#include <asm/ioctl.h>
+#include <asm/types.h>
+
+#define TCODE_WRITE_QUADLET_REQUEST     0
+#define TCODE_WRITE_BLOCK_REQUEST       1
+#define TCODE_WRITE_RESPONSE            2
+#define TCODE_READ_QUADLET_REQUEST      4
+#define TCODE_READ_BLOCK_REQUEST        5
+#define TCODE_READ_QUADLET_RESPONSE     6
+#define TCODE_READ_BLOCK_RESPONSE       7
+#define TCODE_CYCLE_START               8
+#define TCODE_LOCK_REQUEST              9
+#define TCODE_STREAM_DATA               10
+#define TCODE_LOCK_RESPONSE             11
+
+#define TCODE_LOCK_MASK_SWAP            0x11
+#define TCODE_LOCK_COMPARE_SWAP         0x12
+#define TCODE_LOCK_FETCH_ADD            0x13
+#define TCODE_LOCK_LITTLE_ADD           0x14
+#define TCODE_LOCK_BOUNDED_ADD          0x15
+#define TCODE_LOCK_WRAP_ADD             0x16
+#define TCODE_LOCK_VENDOR_DEPENDENT     0x17
+
+#define RCODE_COMPLETE                  0x0
+#define RCODE_CONFLICT_ERROR            0x4
+#define RCODE_DATA_ERROR                0x5
+#define RCODE_TYPE_ERROR                0x6
+#define RCODE_ADDRESS_ERROR             0x7
+
+#define RCODE_SEND_ERROR                0x10
+#define RCODE_CANCELLED                 0x11
+#define RCODE_BUSY                      0x12
+#define RCODE_GENERATION                0x13
+#define RCODE_NO_ACK                    0x14
+
+#define SCODE_100                       0x0
+#define SCODE_200                       0x1
+#define SCODE_400                       0x2
+#define SCODE_800                       0x3
+#define SCODE_1600                      0x4
+#define SCODE_3200                      0x5
+
+#define FW_CDEV_EVENT_BUS_RESET         0x00
+#define FW_CDEV_EVENT_RESPONSE          0x01
+#define FW_CDEV_EVENT_REQUEST           0x02
+#define FW_CDEV_EVENT_ISO_INTERRUPT     0x03
+
+/* The 'closure' fields are for user space to use.  Data passed in the
+ * 'closure' field for a request will be returned in the corresponding
+ * event.  It's a 64-bit type so that it's a fixed size type big
+ * enough to hold a pointer on all platforms. */
+
+struct fw_cdev_event_common {
+        __u64 closure;
+        __u32 type;
+};
+
+struct fw_cdev_event_bus_reset {
+        __u64 closure;
+        __u32 type;
+        __u32 node_id;
+        __u32 local_node_id;
+        __u32 bm_node_id;
+        __u32 irm_node_id;
+        __u32 root_node_id;
+        __u32 generation;
+};
+
+struct fw_cdev_event_response {
+        __u64 closure;
+        __u32 type;
+        __u32 rcode;
+        __u32 length;
+        __u32 data[0];
+};
+
+struct fw_cdev_event_request {
+        __u64 closure;
+        __u32 type;
+        __u32 tcode;
+        __u64 offset;
+        __u32 handle;
+        __u32 length;
+        __u32 data[0];
+};
+
+struct fw_cdev_event_iso_interrupt {
+        __u64 closure;
+        __u32 type;
+        __u32 cycle;
+        __u32 header_length;    /* Length in bytes of following headers. */
+        __u32 header[0];
+};
+
+union fw_cdev_event {
+        struct fw_cdev_event_common common;
+        struct fw_cdev_event_bus_reset bus_reset;
+        struct fw_cdev_event_response response;
+        struct fw_cdev_event_request request;
+        struct fw_cdev_event_iso_interrupt iso_interrupt;
+};
+
+#define FW_CDEV_IOC_GET_INFO            _IOWR('#', 0x00, struct fw_cdev_get_info)
+#define FW_CDEV_IOC_SEND_REQUEST        _IOW('#', 0x01, struct fw_cdev_send_request)
+#define FW_CDEV_IOC_ALLOCATE            _IOWR('#', 0x02, struct fw_cdev_allocate)
+#define FW_CDEV_IOC_DEALLOCATE          _IOW('#', 0x03, struct fw_cdev_deallocate)
+#define FW_CDEV_IOC_SEND_RESPONSE       _IOW('#', 0x04, struct fw_cdev_send_response)
+#define FW_CDEV_IOC_INITIATE_BUS_RESET  _IOW('#', 0x05, struct fw_cdev_initiate_bus_reset)
+#define FW_CDEV_IOC_ADD_DESCRIPTOR      _IOWR('#', 0x06, struct fw_cdev_add_descriptor)
+#define FW_CDEV_IOC_REMOVE_DESCRIPTOR   _IOW('#', 0x07, struct fw_cdev_remove_descriptor)
+
+#define FW_CDEV_IOC_CREATE_ISO_CONTEXT  _IOWR('#', 0x08, struct fw_cdev_create_iso_context)
+#define FW_CDEV_IOC_QUEUE_ISO           _IOWR('#', 0x09, struct fw_cdev_queue_iso)
+#define FW_CDEV_IOC_START_ISO           _IOW('#', 0x0a, struct fw_cdev_start_iso)
+#define FW_CDEV_IOC_STOP_ISO            _IOW('#', 0x0b, struct fw_cdev_stop_iso)
+
+/* FW_CDEV_VERSION History
+ *
+ * 1    Feb 18, 2007:  Initial version.
+ */
+#define FW_CDEV_VERSION         1
+
+struct fw_cdev_get_info {
+        /* The version field is just a running serial number.  We
+         * never break backwards compatibility.  Userspace passes in
+         * the version it expects and the kernel passes back the
+         * highest version it can provide.  Even if the structs in
+         * this interface are extended in a later version, the kernel
+         * will not copy back more data than what was present in the
+         * interface version userspace expects. */
+        __u32 version;
+
+        /* If non-zero, at most rom_length bytes of config rom will be
+         * copied into that user space address.  In either case,
+         * rom_length is updated with the actual length of the config
+         * rom. */
+        __u32 rom_length;
+        __u64 rom;
+
+        /* If non-zero, a fw_cdev_event_bus_reset struct will be
+         * copied here with the current state of the bus.  This does
+         * not cause a bus reset to happen.  The value of closure in
+         * this and sub-sequent bus reset events is set to
+         * bus_reset_closure. */
+        __u64 bus_reset;
+        __u64 bus_reset_closure;
+
+        /* The index of the card this devices belongs to. */
+        __u32 card;
+};
+
+struct fw_cdev_send_request {
+        __u32 tcode;
+        __u32 length;
+        __u64 offset;
+        __u64 closure;
+        __u64 data;
+        __u32 generation;
+};
+
+struct fw_cdev_send_response {
+        __u32 rcode;
+        __u32 length;
+        __u64 data;
+        __u32 handle;
+};
+
+struct fw_cdev_allocate {
+        __u64 offset;
+        __u64 closure;
+        __u32 length;
+        __u32 handle;
+};
+
+struct fw_cdev_deallocate {
+        __u32 handle;
+};
+
+#define FW_CDEV_LONG_RESET      0
+#define FW_CDEV_SHORT_RESET     1
+
+struct fw_cdev_initiate_bus_reset {
+        __u32 type;
+};
+
+struct fw_cdev_add_descriptor {
+        __u32 immediate;
+        __u32 key;
+        __u64 data;
+        __u32 length;
+        __u32 handle;
+};
+
+struct fw_cdev_remove_descriptor {
+        __u32 handle;
+};
+
+#define FW_CDEV_ISO_CONTEXT_TRANSMIT    0
+#define FW_CDEV_ISO_CONTEXT_RECEIVE     1
+
+#define FW_CDEV_ISO_CONTEXT_MATCH_TAG0           1
+#define FW_CDEV_ISO_CONTEXT_MATCH_TAG1           2
+#define FW_CDEV_ISO_CONTEXT_MATCH_TAG2           4
+#define FW_CDEV_ISO_CONTEXT_MATCH_TAG3           8
+#define FW_CDEV_ISO_CONTEXT_MATCH_ALL_TAGS      15
+
+struct fw_cdev_create_iso_context {
+        __u32 type;
+        __u32 header_size;
+        __u32 channel;
+        __u32 speed;
+        __u64 closure;
+        __u32 handle;
+};
+
+struct fw_cdev_iso_packet {
+        __u16 payload_length;   /* Length of indirect payload. */
+        __u32 interrupt : 1;    /* Generate interrupt on this packet */
+        __u32 skip : 1;         /* Set to not send packet at all. */
+        __u32 tag : 2;
+        __u32 sy : 4;
+        __u32 header_length : 8;        /* Length of immediate header. */
+        __u32 header[0];
+};
+
+struct fw_cdev_queue_iso {
+        __u64 packets;
+        __u64 data;
+        __u32 size;
+        __u32 handle;
+};
+
+struct fw_cdev_start_iso {
+        __s32 cycle;
+        __u32 sync;
+        __u32 tags;
+        __u32 handle;
+};
+
+struct fw_cdev_stop_iso {
+        __u32 handle;
+};
+
+#endif /* __fw_cdev_h */