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Add Support to enable xHCI DBC#1

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Add Support to enable xHCI DBC#1
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@gururajk53 gururajk53 commented Jun 6, 2018

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xHCI compatible USB host controllers(i.e. super-speed USB3 controllers)
can be implemented with the Debug Capability(DbC). It presents a debug
device which is fully compliant with the USB framework and provides the
equivalent of a very high performance full-duplex serial link. The debug
capability operation model and registers interface are defined in 7.6.8
of the xHCI specification, revision 1.1.

The DbC debug device shares a root port with the xHCI host. By default,
the debug capability is disabled and the root port is assigned to xHCI.
When the DbC is enabled, the root port will be assigned to the DbC debug
device, and the xHCI sees nothing on this port. This implementation uses
a sysfs node named under the xHCI device to manage the enabling
and disabling of the debug capability.This implementation also uses a
sysfs node named <dbc_func> under the xHCI device to choose either
a tty interface or a raw character interface provided by DbC.

When the debug capability is enabled, it will present a debug device
through the debug port. This debug device is fully compliant with the
USB3 framework, and it can be enumerated by a debug host on the other
end of the USB link. As soon as the debug device is configured, if the
dbc_func is set to 1, a TTY serial device named /dev/ttyDBC0 will be
created, otherwise if the dbc_func is set to 0. a Character device
named /dev/dbc_raw will be created.

One use of this link is running a login service on the debug target.
Hence it can be remote accessed by a debug host. Another use case can
probably be found in servers. It provides a peer-to-peer USB link
between two host-only machines. This provides a reasonable out-of-band
communication method between two servers.

The raw USB function exposed to the user space as a cdev can be used
for user space USB functions development.

Jira: None
Test: None

Signed-off-by: Lu Baolu baolu.lu@linux.intel.com
Signed-off-by: Rajaram Regupathy rajaram.regupathy@intel.com
Signed-off-by: K, Gururaj gururaj.k@intel.com

plbossart and others added 30 commits April 13, 2018 00:37
@plbossart @yifanli-intel
ASoC: Intel: cht_bsw_rt5672: use actual HID in suspend/resume
b2bf5ad 
The code scans all components looking for the default name
i2c-10EC5670:00, which of course doesn't work in platforms
where the BIOS uses a different HID such as Dell 5585

Since we already have the correct information available, just
use the actual codec name and length.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-By: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit e45e391)
@plbossart @yifanli-intel
ASoC: Intel: cht_bsw_rt5672: fix card name
0ccf3c6 
For now reason the current card name is a ridiculous
'cherrytrailcraudio'. This isn't very useful or self-explanatory,
change to driver name cht-bsw-rt5672.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Acked-By: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit 57e9e87)
@yifanli-intel
ASoC: max98927: Added support for DSP_A and DSP_B format
d9717a2 
Signed-off-by: Ryan Lee <ryans.lee@maximintegrated.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit 4eee202)
@yifanli-intel
ASoC: max98927: Added max98927_dai_tdm_slot function
86e1a7f 
Signed-off-by: Ryan Lee <ryans.lee@maximintegrated.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit d4a8bce)
@plbossart @yifanli-intel
ASoC: Intel: cht_bsw_max98090: remove useless code, align with Chrome…
b937f42 
…OS driver

Remove dead code which was missed in previous changes. This is not
visible with git diff but there is a test+return on the same condition
just above.

Also reuse local variable instead of fetching the jack information twice.

Tested on Acer R11 (cyan)

Fixes: 3bbda5a ('ASoC: Intel: cht_bsw_max98090_ti: Fix jack initialization')
Cc: Thierry Escande <thierry.escande@collabora.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-By: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit 0087f20)
@AxelLin @yifanli-intel
ASoC: max98925: Return proper error if revision mismatch
d673e36 
Return proper error instead of 0 if the revision does not match.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit d6e18b8)
@yifanli-intel
ASoC: rt5659: move set_sysclk to codec level
910b0e7 
Move set_sysclk to codec level and people can use it at both
codec and dai level.

Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit fe01e5e)
@yifanli-intel
ASoC: rt5659: move set_pll to codec level
9af0e9d 
Move set_pll function to codec level and people can use it at both
codec and dai level.

Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit c8a04b5)
@plbossart @yifanli-intel
ASoC: Add helper to find codec_dai from dai_name
77e9358 
Create a helper function to remove duplicate code used in machine drivers

Suggested-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit 7c761b5)
@plbossart @yifanli-intel
ASoC: Intel: bytcr_rt5651: add MCLK, quirks and cleanups
e5f5fa3 
Same as for other codecs, enable MCLK by default. When it is not
present, e.g. on MinnowBoard B3 since it's not routed on the LSE
connector, we fall back to blck-based clocking.

The DMIC quirks are also fixed, there is a single DMIC input of the
codec.

reorder variables in reverse x-mas tree as suggested by Andy

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit 02c0a3b)
@plbossart @yifanli-intel
ASoC: Intel: bytcr_rt5640: cosmetic fixes
c476df6 
Reorder variable names, change MCLK test, change quirks
No functional change

Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit 17b5273)
@plbossart @yifanli-intel
ASoC: Intel: cht_bsw_rt5645: cosmetic fixes
a9966ee 
Reorder variable names, change MCLK test, change quirks
No functional change

Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit 6cdf01a)
@plbossart @yifanli-intel
ASoC: Intel: bytcht_da7213: cosmetic fixes
c99fbf2 
Reorder variable names, change tests
No functional change

Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit 22a317a)
@plbossart @yifanli-intel
ASoC: Intel: bytcht_es8316: remove useless code
b468668 
get_codec_dai() is not used, remove it

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit 8a2eca5)
@plbossart @yifanli-intel
ASoC: Intel: boards: use helper to get codec_dai
4691d06 
Remove duplicate code with a common helper in all Intel machine drivers.

Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Suggested-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit dfb6ec7)
@plbossart @yifanli-intel
ASoC: Intel: boards: fix off-by-one dailink id
c44e673 
For some reason the Atom/HiFi2 machine drivers use an id=1 instead
of zero as done on all other platforms. This gets in the way of
topology-based matching, realign for consistency. This should
not have any functional impact on existing solutions with don't rely
on topology.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit 149f775)
@plbossart @yifanli-intel
ASoC: Intel: boards: remove hard-coded compressed dailinks
f848801 
The hard-coded compressed dailinks are not supported using
publicly-available firmwares, which creates unnecessary user
confusion [1]. Even if the firmware was available, the mainline
code does not have the required .dynamic=1 and .dpcm_playback=1
fields so probably never worked as is, and last and they conflict
with topology-defined streams.

Remove them and move on. This can be re-enabled with SOF later
in a more flexible manner.

[1] http://mailman.alsa-project.org/pipermail/alsa-devel/2017-August/124868.html

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit 2193eb9)
@yifanli-intel
ASoC: Intel: sst: remove redundant variable dma_dev_name
e96a18a 
The pointer dma_dev_name is assigned but never read, it is redundant
and can therefore be removed.

Cleans up clang warning:
sound/soc/intel/common/sst-firmware.c:288:3: warning: Value stored to
'dma_dev_name' is never read

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit 271ef65)
@yifanli-intel
SoC: intel: byt: Introduce new custom IN2 map
122c24e 
Introduce a new custom dapm routes map to quirk platforms with the
internal mic connected to IN2P.

Signed-off-by: Carlo Caione <carlo@endlessm.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit 39712db)
@plbossart @yifanli-intel
ASoC: move ACPI common code out of Intel/sst tree
e15379d 
ACPI support is not specific to the Intel/SST driver. Move the enumeration
and matching code which is not hardware-dependent to sound/soc and rename
relevant sst_acpi_ structures and functions with snd_soc_acpi_ prefix

soc-acpi.h is protected by a #ifndef __LINUX_SND_SOC_ACPI_H for
consistency with all other SoC .h files:

grep -L __LINUX include/sound/soc* | wc -l
0
grep __LINUX include/sound/soc* | wc -l
14

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit 7feb2f7)
@plbossart @yifanli-intel
ASoC: Intel: common: use c99 syntax for ACPI/machine tables
902e296 
Before we add new fields for SOF support, move to C99 syntax
as done for atom/sst and legacy hsw/bdw code
No functional change

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit 928c8a8)
@plbossart @yifanli-intel
ASoC: ACPI: add new fields for SOF support
dfe46f8 
To prepare for SOF integration, we need new fields in the machine table.
It is intended that the same table is used for both closed-source and
open-source firmware to avoid repeating ACPI-related information
multiple times
No functional change

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit 976b5a0)
@plbossart @yifanli-intel
ASoC: Intel: move all ACPI match tables to common module
cc3f3ea 
First step of cleaning, move all tables to soc-acpi-intel-match module.
The tables remain in separate files per platform to keep them
manageable. Skylake+ platforms are still handled elsewhere since
there is no conflict with SOF for now, but this will have to be
handled at a later point.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit 6004640)
@plbossart @yifanli-intel
ASoC: Intel: add SOF firmare/topology file information
d89b5ea 
Prepare for SOF integration, no functional change

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit c1a8ed6)
@plbossart @yifanli-intel
ASoC: Intel: move machine drivers to dedicated KConfig
f637635 
split Kconfig to prepare for reuse of machine drivers for
SOF support
no functional change or edits

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit ea2851b)
@plbossart @yifanli-intel
ASoC: Intel: reorder boards Kconfig by chronological order
0cd91f9 
This file is a mess, order by generation with more recent last

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit d4d86b8)
@plbossart @yifanli-intel
ASoC: Intel: clarify Kconfig dependencies
490ad5f 
Introduce more logical dependencies, with the SOC selected first and the
relevant machine drivers are exposed.
The same mechanism will be used for SOF support.

Also select SND_SOC_ACPI_INTEL_MATCH for all machine drivers

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit f6a118a)
@plbossart @yifanli-intel
ASoC: Intel: Add depends on X86
6e36cfc 
Make all Intel audio drivers dependent on X86 to avoid compilation
errors for s390 and xtensa architectures.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit 468663a)
@yifanli-intel
ASoC: rt5651: Convert rt5651 micbias1 to a supply widget
4aedcd9 
MICBIAS widget type has been deprecated. Convert it to a SUPPLY widget.

Signed-off-by: Carlo Caione <carlo@endlessm.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit be96fc5)
@yifanli-intel
ASoC: rt5651: Enable jack detection on JD* pins
03787c6 
Enable jack detection for the RT5651 codec on the JD* pins.

Signed-off-by: Carlo Caione <carlo@endlessm.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit 80bbe4a)
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