Add interrupt and start frame parameters and schedule transaction at
specific frame. Implement for virtual driver only.
Signed-off-by: Johann Fischer <johann.fischer@nordicsemi.no>
Address parameter/argument is no longer needed because we have a pointer
to the USB device. The Attrib parameter has never been used and will be
replaced by the interval and start-frame parameters in the future.
Signed-off-by: Johann Fischer <johann.fischer@nordicsemi.no>
With the current implementation, NACK claims all resources and prevents
scheduling multiple transfers within a frame. Place a number of
available transfers in a list at the beginning of a frame, and process
the transfers in a limited number of slots.
Signed-off-by: Johann Fischer <johann.fischer@nordicsemi.no>
Implement the dequeue function and remove the timeout parameter as it is
no longer necessary and can be handled in the upper layer. The dequeue
function is required for the USBIP implementation.
Signed-off-by: Johann Fischer <johann.fischer@nordicsemi.no>
Do not necessarily call k_timer_init() in the uhc_bus_resume()
implementation. Restart SOF timer after bus reset and in
uhc_sof_enable() implementation.
Signed-off-by: Johann Fischer <johann.fischer@nordicsemi.no>
The current approach is a bit impractical in the upper layer.
This patch removes the two fifos that hold the transfer buffers
and replaces them with a byte array for the setup packet and
a pointer to a data buffer. The data buffer is mandatory for
all types of transfers except control without a data stage.
The waste of eight unused bytes for non-control transfers should
be insignificant, since an additional pointer would be at least
half of it, and then there would be the overhead of handling it.
This patch also clean up the transfer flags, rename owner to callback
as it reflects the upper layer use case, and add an additional member
to hold the pointer to the USB device (peripheral on the bus).
Signed-off-by: Johann Fischer <johann.fischer@nordicsemi.no>
Aling with the changes in UDC done in the commit ad81b3b797
("drivers: udc: move transfer status to buffer info structure")
This allows us to get the result of synchronous transfer and
simplify uhc_submit_event().
Signed-off-by: Johann Fischer <johann.fischer@nordicsemi.no>
Modify the signature of the k_mem_slab_free() function with a new one,
replacing the old void **mem with void *mem as a parameter.
The following function:
void k_mem_slab_free(struct k_mem_slab *slab, void **mem);
has the wrong signature. mem is only used as a regular pointer, so there
is no need to use a double-pointer. The correct signature should be:
void k_mem_slab_free(struct k_mem_slab *slab, void *mem);
The issue with the current signature, although functional, is that it is
extremely confusing. I myself, a veteran Zephyr developer, was confused
by this parameter when looking at it recently.
All in-tree uses of the function have been adapted.
Fixes#61888.
Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>
Use proper format for size_t type eliminating warnings of type:
...
error: format '%u' expects argument of type 'unsigned int', but
argument 2 has type 'size_t' {aka 'long unsigned int'}
[-Werror=format=]
...
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Add support for virtual USB host controller intended for use
together with virtual bus and virtual device controllers.
This driver is not an emulation of any real host controller.
The driver has initial support for handling control and bulk
transfers.
Signed-off-by: Johann Fischer <johann.fischer@nordicsemi.no>
