lib, doc: added two fields to the buffer structure, changed one

We need mapaddr and mapsize for munmap() at buffer_release time. And we need the device pointer (not drivername) in order to route the get_tstamp method. drivername, if needed, is in the device anyways. Signed-off-by: Alessandro Rubini <rubini@gnudd.com> SQUASH proto Signed-off-by: Alessandro Rubini <rubini@gnudd.com>

lib, doc: added two fields to the buffer structure, changed one
We need mapaddr and mapsize for munmap() at buffer_release time. And we need the device pointer (not drivername) in order to route the get_tstamp method. drivername, if needed, is in the device anyways. Signed-off-by: Alessandro Rubini <rubini@gnudd.com> SQUASH proto Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
926b7506 · Alessandro Rubini · 9c33b8af · 926b7506 · 926b7506
Commit 926b7506 authored Jul 03, 2013 by Alessandro Rubini
Hide whitespace changes
Inline Side-by-side

Showing with 14 additions and 10 deletions

fmc-adc-api.in doc/fmc-adc-api.in +11 -9

fmcadc-lib.h lib/fmcadc-lib.h +3 -1

No files found.
--- a/doc/fmc-adc-api.in
+++ b/doc/fmc-adc-api.in
@@ -266,9 +266,9 @@ The timestamp structrure is defined as follows:

 @smallexample
 struct fmcadc_timestamp {
-	uint64_t secs;
-	uint64_t ticks;
-	uint64_t bins;
+        uint64_t secs;
+        uint64_t ticks;
+        uint64_t bins;
 };
 @end smallexample

@@ -408,12 +408,14 @@ of the hardware), as well as other informative fields:

 @smallexample
 struct fmcadc_buffer {
-	void *data;
-	void *metadata;
-	int samplesize;
-	int nsamples;
-	char *drivername;
-	unsigned long flags; /* internal to the library */
+        void *data;
+        void *metadata;
+        int samplesize;
+        int nsamples;
+        struct fmcadc_dev *dev;
+        unsigned long flags; /* internal to the library */
+        void *mapaddr;
+        unsignef long maplen;
 };
 @end smallexample


--- a/lib/fmcadc-lib.h
+++ b/lib/fmcadc-lib.h
@@ -32,7 +32,9 @@ struct fmcadc_buffer {
 	void *metadata;
 	int samplesize;
 	int nsamples;
-	char *drivername;
+	struct fmcadc_dev *dev;
+	void *mapaddr;
+	unsigned long maplen;
 	unsigned long flags; /* internal to the library */
 };