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authorAndy Walls <awalls@radix.net>2008-12-14 18:52:12 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-12-30 09:39:07 -0200
commit0ef0289264e8f278312909f1639a7764cc9cf580 (patch)
tree8727d4d5d7519db50e8cd77e03b0d00892d35d76 /drivers/media/video/cx18/cx18-driver.h
parent83c3a3c8b6a0e7a54ca9fa18b02c90e2d9a889f9 (diff)
V4L/DVB (9891): cx18 Replace magic number 63 with CX18_MAX_FW_MDLS_PER_STREAM
Removed magic number that referred to firmware limit on the number of MDLs the firmware can maintain for any stream at any one time. 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-driver.h')
-rw-r--r--drivers/media/video/cx18/cx18-driver.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h
index 018d98f94f9..0d2edebc39b 100644
--- a/drivers/media/video/cx18/cx18-driver.h
+++ b/drivers/media/video/cx18/cx18-driver.h
@@ -116,7 +116,7 @@
#define CX18_DEFAULT_ENC_PCM_BUFFERS 1
/* Maximum firmware DMA buffers per stream */
-#define CX18_MAX_MDLS_PER_STREAM 63
+#define CX18_MAX_FW_MDLS_PER_STREAM 63
/* DMA buffer, default size in kB allocated */
#define CX18_DEFAULT_ENC_TS_BUFSIZE 32
@@ -255,7 +255,8 @@ struct cx18_scb; /* forward reference */
#define CX18_MAX_MDL_ACKS 2
-#define CX18_MAX_EPU_WORK_ORDERS 70 /* CPU_DE_RELEASE_MDL bursts 63 commands */
+#define CX18_MAX_EPU_WORK_ORDERS (CX18_MAX_FW_MDLS_PER_STREAM + 7)
+/* CPU_DE_RELEASE_MDL can burst CX18_MAX_FW_MDLS_PER_STREAM orders in a group */
#define CX18_F_EWO_MB_STALE_UPON_RECEIPT 0x1
#define CX18_F_EWO_MB_STALE_WHILE_PROC 0x2