Commits
Archit Taneja committed 213b8ee4001
[media] v4l: ti-vpe: Add helpers for creating VPDMA descriptors Create functions which the VPE driver can use to create a VPDMA descriptor and add it to a VPDMA descriptor list. These functions take a pointer to an existing list, and append the configuration/data/control descriptor header to the list. In the case of configuration descriptors, the creation of a payload block may be required(the payloads can hold VPE MMR values, or scaler coefficients). The allocation of the payload buffer and it's content is left to the VPE driver. However, the VPDMA library provides helper macros to create payload in the correct format. Add debug functions to dump the descriptors in a way such that it's easy to see the values of different fields in the descriptors. Signed-off-by: Archit Taneja <archit@ti.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Kamil Debski <k.debski@samsung.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>