The "i--" needs to happen at the start of the loop or it will try to
release something bogus (probably it will crash) and it won't release
the first ->vaddr_page[].

Fixes: 7b4eeed1 ('[media] vmalloc_sg: make sure all pages in vmalloc area are really DMA-ready')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

This is needed to free state and for dvb_detach() to be
called.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

In order to get FE_HAS_SYNC, the viterbi should already be
locked too. So, add the missing FE_HAS_VITERBI lock.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

Move as102-fe to dvb-frontends directory and make it an
independent driver.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

Remove the dependencies of as102_cmd from as102, in order to
allow it to be compiled as a separate module.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

This function just converts from the as10x internal data into
the DVBv5 cache. Get rid of it.

No functional changes.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

This function just parses the frontend cache and converts
to the as102 internal format message. Get rid of it.

No functional changes.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

Avoid having function prototypes by moving some
ancillary routines to the beginning of the file.

No functional changes.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

Make the frontend .name more coherent with DVB namespace.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

Fix this warning:

WARNING: quoted string split across lines
566: FILE: drivers/media/usb/as102/as102_fe.c:141:
+				"demod status: fc: 0x%08x, bad fc: 0x%08x, "
+				"bytes corrected: 0x%08x , MER: 0x%04x\n",
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

Make checkpatch happier by removing FSF mail address.

No functional changes.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

This driver is stable and doesn't contain any really serious
issue. Move it out of staging.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

remove dprintk() and replace it with dev_dbg() or pr_debug()
in order to use the common kernel coding style.
Signed-off-by: Martin Kepplinger <martink@posteo.de>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

Add support for PCTV microStick (77e) device that uses a sms1140
chipset.

Cc: stable@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

Don't manipulate struct v4l2_ctrl directly. Instead, use
v4l2_ctrl_s_ctrl_int64() to change the values.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

Instead of modifying the control ranges directly by manipulating struct
v4l2_ctrl, use __v4l2_ctrl_modify_range() for the purpose.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

This patch breaks most long lines, concatenates broken up text strings,
and adds or removes parentheses where needed to make checkpatch happy.
The long codec list lines and a few 81-wide lines remain.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

Since we neither support composing on the OUTPUT side, nor cropping
on the CAPTURE side, disable VIDIOC_CROPCAP and VIDIOC_G/S_CROP
altogether. This silences a GStreamer warning when GStreamer tries
to obtain the pixel aspect ratio using VIDIOC_CROPCAP.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

This patch makes coda_s_fmt_vid_out propagate the output frame size
to the capture side.
The GStreamer v4l2videodec only ever calls S_FMT on the output side
and then expects G_FMT on the capture side to return a valid format.
Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

Set the context color space when s_fmt succeeded, not when it failed.
Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

Lock modification of the timestamp list with bitstream_mutex and do not
try to remove a timestamp element if the list is empty. This can happen
if the userspace feeds us garbage or multiple encoded frames in a single
buffer.
Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

Produce some error messages when internal buffer allocation
fails, for example because the CMA region is too small.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

Dumping all register accesses drowns other debugging messages
in the log. Add a less verbose debug level.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

This patch increases the maximum vertical frame size reported
by enum_fmt and accepted by try_fmt/s_fmt from 1080 to 1088.
Since for 16x16-pixel macroblocks 1080p will be rounded up to
this anyway, we may as well admit that we support it.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

We know that it will return NULL in this case, so we can just as well
skip it altogether.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

This is needed to decrease the q->owned_by_drv_count to zero before
__vb2_queue_cancel is called, to avoid the WARN_ON therein.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

Request the main coda interrupt using its name, "bit", if available.
Fall back to requesting the first interrupt for backwards compatibility.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

The return value of this call to v4l2_m2m_next_dst_buf() is never used.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

coda_h264_padding uses memcpy, we should include string.h for that.
Reported-by: Ian Jamison <ian.dev@arkver.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

This patch moves the BIT processor specific coda_context_ops, the firmware
upload and other related functions from coda-common.c into coda-bit.c.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

Currently there is only the coda_h264_padding function, but
we will have to add more H.264 specific helpers later.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

This patch moves the context buffer allocation into the context start_streaming
callbacks. The context buffer and internal framebuffer cleanup is moved into
the context release callback.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

This adds a helper function to consolidate three occurences where
the bitstream parameter stream end flag is set during operation.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

In preparation for the split, move the AXI_SRAM_USE register access and the
PIC_RUN command execution out of pic_run_work into prepare_encode/decode.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

Add a struct coda_context_ops that encapsulates context specific operations.
This will simplify adding JPEG support in the future and helps to avoid
exporting all functions individually when they move out of the main code
file.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

These will have to be shared between multiple code files.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

The coda driver has grown significantly and will continue to grow.
Move the coda driver into its own directory so it can be split.
Rename coda.h to coda_regs.h as it contains the register defines.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

The format and codec lists and the ops structures are read-only.
Mark them as const.
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>