lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite for Android: free password hash cracker in your pocket
[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Date: Mon, 25 Mar 2024 10:37:49 +0800
From: Sugar Zhang <sugar.zhang@...k-chips.com>
To: heiko@...ech.de,
	vkoul@...nel.org
Cc: linux-rockchip@...ts.infradead.org,
	Sugar Zhang <sugar.zhang@...k-chips.com>,
	dmaengine@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v1] dmaengine: Add support for audio interleaved transfer

This patch add support for interleaved transfer which used
for interleaved audio or 2d video data transfer.

for audio situation, we add 'nump' for number of period frames.

Signed-off-by: Sugar Zhang <sugar.zhang@...k-chips.com>
---

 include/linux/dmaengine.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 752dbde..5263cde 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -144,6 +144,7 @@ struct data_chunk {
  *		Otherwise, destination is filled contiguously (icg ignored).
  *		Ignored if dst_inc is false.
  * @numf: Number of frames in this template.
+ * @nump: Number of period frames in this template.
  * @frame_size: Number of chunks in a frame i.e, size of sgl[].
  * @sgl: Array of {chunk,icg} pairs that make up a frame.
  */
@@ -156,6 +157,7 @@ struct dma_interleaved_template {
 	bool src_sgl;
 	bool dst_sgl;
 	size_t numf;
+	size_t nump;
 	size_t frame_size;
 	struct data_chunk sgl[];
 };
-- 
2.7.4


Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ