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| author | Andy Walls <awalls@radix.net> | 2008-11-06 01:15:41 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-12-30 09:38:02 -0200 |
| commit | 72c2d6d3ac91d1b9efb482ff4a8dd68e3d867965 (patch) | |
| tree | 0e80f865ac4763e30eb7777360fbf3d860b140f0 /drivers/media/video/cx18/cx18-mailbox.h | |
| parent | f68d0cf56761128e85ebc98d8de4776b89c30279 (diff) | |
| download | blackbird-op-linux-72c2d6d3ac91d1b9efb482ff4a8dd68e3d867965.tar.gz blackbird-op-linux-72c2d6d3ac91d1b9efb482ff4a8dd68e3d867965.zip | |
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.h | 7 |
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 |
