Commit Graph

10 Commits

Author SHA1 Message Date
Richard Fitzgerald d52ed4b0bc
ASoC: wm_adsp: Parse HOST_BUFFER controls
Currently the compressed streams in DSP firmwares are
identified essentially by looking at a fixed location inside
the firmware. This is fragile and also limits things to a
single compressed stream.

Here a new form of firmware parameter is added, the HOST_BUFFER
which identifies a compressed stream from meta-data in the
firmware file. This is more robust and allows for the possiblity
of using multiple streams per core in the future. Currently the
implementation is still limited to a single stream and will
use the first HOST_BUFFER parameter encountered. If there aren't
any HOST_BUFFER parameters it will fall back to the legacy way
of finding the host buffer.

Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2018-07-19 15:11:56 +01:00
Richard Fitzgerald a23ebba845 ASoC: wm_adsp: Support acknowledged controls
This patch handles publishing acknowledged controls through ALSA.
These controls allow user-side to send events to the firmware and
wait for the firmware to acknowledge it.

Note that although acked controls only operate in the direction
host->firmware, and therefore they are write-only as seen from user-
side code, we have to make them readable to account for all the code
out there that assumes that ALSA controls are always readable (amixer
for example.)

Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-11-11 15:57:56 +00:00
Richard Fitzgerald f4f0c4c60c ASoC: wm_adsp: Signal firmware shutdown through event control
If the firmware has any system event signalling controls, signal
them during DSP PRE_PMD to tell the firmware it is about to be stopped.

Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-11-11 15:57:54 +00:00
Charles Keepax 26c22a1922 ASoC: wm_adsp: Add support for DSP control flags
The DSP control information contains various hints about the usage of
the control use these when handling the control.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-04-27 15:38:26 +01:00
Charles Keepax 2323736dca ASoC: wm_adsp: Add basic support for rev 1 firmware file format
Revision one of the file format includes new algorithm and coefficient
blocks which provide additional information about the controls exported
by the firmware. This patch updates the processing to handle this
version of the file format. Note that whilst this version of the format
adds support for specifying a name for the control through the firmware
file this has not been used and to keep compatibility with existing
deployments no changes to the firmware control naming are made by this
patch.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-04-27 15:38:25 +01:00
Charles Keepax 3809f00159 ASoC: wm_adsp: Improve variable naming
We have wm_adsp_region, wm_adsp_alg_region, and wmfw_region, the
variables for which are all frequently called region, this can get quite
confusing when reviewing the code especially given some functions are
quite long. Consistently use mem for wm_adsp_regions, alg_region for
wm_adsp_alg_region and region for wmfw_region.

Additionally, we use a mix of adsp and dsp for pointers to the wm_adsp
structure standardise this on dsp.

Finally, we use algs to refer to the number of algorithms quite
frequently, change this to the more descriptive n_algs.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-04-27 15:38:23 +01:00
Mark Brown c712326d6c ASoC: wm_adsp: Implement support for coefficeint file format 1
Implement support for a new revision of the coefficeint file format for
ADSP cores.

Since coefficient file format 0 has not been widely deployed and is very
unlikely to ever be used with this driver code support for it has been
removed.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-01-18 15:02:17 +09:00
Mark Brown 2159ad936b ASoC: adsp: Add ADSP base support
Many current Wolfson devices feature DSPs based around an architecture
known as ADSP.  Since there is a lot of commonality in the system
integration of these devices a common library will be used to provide
support for them.

This version provides equivalent support for ADSP1 to that currently
included in the WM2200 driver.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-10-28 17:38:15 +00:00
Mark Brown 6e87badd3f ASoC: wm2200: Provide initial coefficient loading
Allow a coefficient set provided using the Wolfson callibration tools to
be provided along with the firmware files. Currently only coefficient
files which configure absolute register addresses are supported.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-10-05 20:17:56 +01:00
Mark Brown e10f871190 ASoC: wm2200: Initial DSP support
Support download and execution of firmwares to the DSPs on the WM2200.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-10-05 20:17:55 +01:00