diff options
author | Hans Verkuil <hverkuil@xs4all.nl> | 2007-01-22 16:27:47 -0500 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-02-21 10:34:48 -0500 |
commit | a63ad325c337ba634824cefe54f7ac52ee554b72 (patch) | |
tree | 2d53a0a03b048d83ec5dd09e0ea4933cbf8d3448 /Documentation/video4linux/cx2341x/fw-memory.txt | |
parent | 5cc1dd8c3d8f80dbdce4d2e981a5e452af4b4529 (diff) |
V4L/DVB (5119): Various cx2341x documentation updates/fixes.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'Documentation/video4linux/cx2341x/fw-memory.txt')
-rw-r--r-- | Documentation/video4linux/cx2341x/fw-memory.txt | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/video4linux/cx2341x/fw-memory.txt b/Documentation/video4linux/cx2341x/fw-memory.txt index d445e457fc1b..9d736fe8de66 100644 --- a/Documentation/video4linux/cx2341x/fw-memory.txt +++ b/Documentation/video4linux/cx2341x/fw-memory.txt | |||
@@ -1,6 +1,8 @@ | |||
1 | This document describes the cx2341x memory map and documents some of the register | 1 | This document describes the cx2341x memory map and documents some of the register |
2 | space. | 2 | space. |
3 | 3 | ||
4 | Note: the memory long words are little-endian ('intel format'). | ||
5 | |||
4 | Warning! This information was figured out from searching through the memory and | 6 | Warning! This information was figured out from searching through the memory and |
5 | registers, this information may not be correct and is certainly not complete, and | 7 | registers, this information may not be correct and is certainly not complete, and |
6 | was not derived from anything more than searching through the memory space with | 8 | was not derived from anything more than searching through the memory space with |
@@ -67,7 +69,7 @@ DMA Registers 0x000-0xff: | |||
67 | 0x84 - first write linked list reg, for pci memory addr | 69 | 0x84 - first write linked list reg, for pci memory addr |
68 | 0x88 - first write linked list reg, for length of buffer in memory addr | 70 | 0x88 - first write linked list reg, for length of buffer in memory addr |
69 | (|0x80000000 or this for last link) | 71 | (|0x80000000 or this for last link) |
70 | 0x8c-0xcc - rest of write linked list reg, 8 sets of 3 total, DMA goes here | 72 | 0x8c-0xdc - rest of write linked list reg, 8 sets of 3 total, DMA goes here |
71 | from linked list addr in reg 0x0c, firmware must push through or | 73 | from linked list addr in reg 0x0c, firmware must push through or |
72 | something. | 74 | something. |
73 | 0xe0 - first (and only) read linked list reg, for pci memory addr | 75 | 0xe0 - first (and only) read linked list reg, for pci memory addr |