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authorAndy Walls <awalls@radix.net>2008-11-06 01:15:41 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-12-30 09:38:02 -0200
commit72c2d6d3ac91d1b9efb482ff4a8dd68e3d867965 (patch)
tree0e80f865ac4763e30eb7777360fbf3d860b140f0 /drivers/media/video/cx18/cx18-mailbox.h
parentf68d0cf56761128e85ebc98d8de4776b89c30279 (diff)
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V4L/DVB (9593): cx18: Add outgoing mailbox mutexes and check for ack via waitq vs poll
Add mutexes to ensure exclusive access for outgoing driver to CX23418 mailboxes. Also wait on a waitq for mailbox acknowledgement from the CX23418 instead of polling. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/cx18/cx18-mailbox.h')
-rw-r--r--drivers/media/video/cx18/cx18-mailbox.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/media/video/cx18/cx18-mailbox.h b/drivers/media/video/cx18/cx18-mailbox.h
index d995641536b3..54758f32db1e 100644
--- a/drivers/media/video/cx18/cx18-mailbox.h
+++ b/drivers/media/video/cx18/cx18-mailbox.h
@@ -30,6 +30,11 @@
#define MB_RESERVED_HANDLE_0 0
#define MB_RESERVED_HANDLE_1 0xFFFFFFFF
+#define APU 0
+#define CPU 1
+#define EPU 2
+#define HPU 3
+
struct cx18;
/* The cx18_mailbox struct is the mailbox structure which is used for passing
@@ -68,6 +73,6 @@ int cx18_vapi_result(struct cx18 *cx, u32 data[MAX_MB_ARGUMENTS], u32 cmd,
int cx18_vapi(struct cx18 *cx, u32 cmd, int args, ...);
int cx18_api_func(void *priv, u32 cmd, int in, int out,
u32 data[CX2341X_MBOX_MAX_DATA]);
-long cx18_mb_ack(struct cx18 *cx, const struct cx18_mailbox *mb);
+long cx18_mb_ack(struct cx18 *cx, const struct cx18_mailbox *mb, int rpu);
#endif
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