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| author | bencollins <bencollins@53a565d1-3bb7-0310-b661-cf11e63c67ab> | 2003-09-11 02:47:22 +0000 |
|---|---|---|
| committer | bencollins <bencollins@53a565d1-3bb7-0310-b661-cf11e63c67ab> | 2003-09-11 02:47:22 +0000 |
| commit | e89e0feee45595f045d01ad845079dc035dfc165 (patch) | |
| tree | 078231d99e998c5a7a3727bb32a215d2b272911b | |
| parent | 2d36fc10b27b05f5f49fd9a1c9ae0eb9b04302d3 (diff) | |
| download | libraw1394-e89e0feee45595f045d01ad845079dc035dfc165.tar.gz | |
Async stream support from Jim Radford.
git-svn-id: svn://svn.linux1394.org/libraw1394/trunk@130 53a565d1-3bb7-0310-b661-cf11e63c67ab
| -rw-r--r-- | src/kernel-raw1394.h | 1 | ||||
| -rw-r--r-- | src/raw1394.h | 7 | ||||
| -rw-r--r-- | src/readwrite.c | 34 |
3 files changed, 42 insertions, 0 deletions
diff --git a/src/kernel-raw1394.h b/src/kernel-raw1394.h index 5f3abd5..e178bda 100644 --- a/src/kernel-raw1394.h +++ b/src/kernel-raw1394.h @@ -19,6 +19,7 @@ #define RAW1394_REQ_LOCK64 103 #define RAW1394_REQ_ISO_SEND 104 #define RAW1394_REQ_ASYNC_SEND 105 +#define RAW1394_REQ_ASYNC_STREAM 106 #define RAW1394_REQ_ISO_LISTEN 200 #define RAW1394_REQ_FCP_LISTEN 201 diff --git a/src/raw1394.h b/src/raw1394.h index 38ddede..1481c59 100644 --- a/src/raw1394.h +++ b/src/raw1394.h @@ -423,6 +423,10 @@ int raw1394_start_iso_write(raw1394handle_t handle, unsigned int channel, unsigned int tag, unsigned int sy, unsigned int speed, size_t length, quadlet_t *data, unsigned long rawtag); +int raw1394_start_async_stream(raw1394handle_t handle, unsigned int channel, + unsigned int tag, unsigned int sy, + unsigned int speed, size_t length, quadlet_t *data, + unsigned long rawtag); /* This starts sending an arbitrary async packet. It gets an array of quadlets consisting of @@ -458,6 +462,9 @@ int raw1394_lock64(raw1394handle_t handle, nodeid_t node, nodeaddr_t addr, int raw1394_iso_write(raw1394handle_t handle, unsigned int channel, unsigned int tag, unsigned int sy, unsigned int speed, size_t length, quadlet_t *data); +int raw1394_async_stream(raw1394handle_t handle, unsigned int channel, + unsigned int tag, unsigned int sy, unsigned int speed, + size_t length, quadlet_t *data); int raw1394_async_send(raw1394handle_t handle, size_t length, size_t header_length, unsigned int expect_response, quadlet_t *data); diff --git a/src/readwrite.c b/src/readwrite.c index b3127d3..ca6ac56 100644 --- a/src/readwrite.c +++ b/src/readwrite.c @@ -249,6 +249,28 @@ int raw1394_start_iso_write(struct raw1394_handle *handle, unsigned int channel, return (int)write(handle->fd, &req, sizeof(req)); } +int raw1394_start_async_stream(struct raw1394_handle *handle, + unsigned int channel, + unsigned int tag, unsigned int sy, + unsigned int speed, size_t length, quadlet_t *data, + unsigned long rawtag) +{ + struct raw1394_request *req = &handle->req; + + CLEAR_REQ(req); + + req->type = RAW1394_REQ_ASYNC_STREAM; + req->generation = handle->generation; + req->tag = rawtag; + + req->address = ((__u64)channel << 48) | speed; + req->misc = (tag << 16) | sy; + req->length = length; + req->sendb = ptr2int(data); + + return (int)write(handle->fd, req, sizeof(*req)); +} + int raw1394_start_async_send(struct raw1394_handle *handle, size_t length, size_t header_length, unsigned int expect_response, quadlet_t *data, unsigned long rawtag) @@ -343,6 +365,18 @@ int raw1394_iso_write(struct raw1394_handle *handle, unsigned int channel, SYNCFUNC_BODY; } +int raw1394_async_stream(struct raw1394_handle *handle, unsigned int channel, + unsigned int tag, unsigned int sy, unsigned int speed, + size_t length, quadlet_t *data) +{ + SYNCFUNC_VARS; + + err = raw1394_start_async_stream(handle, channel, tag, sy, speed, length, + data, (unsigned long)&rh); + + SYNCFUNC_BODY; +} + int raw1394_async_send(struct raw1394_handle *handle , size_t length, size_t header_length, unsigned int expect_response, quadlet_t *data) |