Commit Graph

361 Commits

Author SHA1 Message Date
Shailendra Verma 3f81d9aa80 ASoC: davinci - Fix possible NULL derefrence.
of_match_device could return NULL, and so can cause a NULL
pointer dereference later.

Signed-off-by: Shailendra Verma <shailendra.v@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2017-01-27 11:58:54 +00:00
Peter Ujfalusi 9be072a6f9 ASoC: davinci-mcasp: off-by-one in davinci_mcasp_hw_rule_format()
The SNDRV_PCM_FORMAT_LAST is valid, we should not skip it.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-09-01 20:56:30 +01:00
Peter Ujfalusi 272ee030eb ASoC: davinci-mcasp: Use a copy of pdata per instance during DT boot
Instead of modifying the static pdata struct per McASP instance we need to
allocate pdata for each McASP.
This way we can avoid configuration leakage from prior McASP to McASP
drivers probed at later time.

Reported-by: Misael Lopez Cruz <misael.lopez@ti.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-06-02 10:58:19 +01:00
Peter Ujfalusi 9ac0013ce6 ASoC: davinci-mcasp: Fix dra7 DMA offset when using CFG port
The TX and RX offset is different for each serializers when using the CFG
port for DMA access.
When using the CFG port only one serializer can be used per direction so
print error message and only configure the first serializer's offset.

Reported-by: Misael Lopez Cruz <misael.lopez@ti.com>
Suggested-by: Misael Lopez Cruz <misael.lopez@ti.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-06-02 10:57:37 +01:00
Mark Brown e449f7a394 Merge remote-tracking branches 'asoc/topic/davinci' and 'asoc/topic/dwc' into asoc-next 2016-05-13 14:26:46 +01:00
Peter Ujfalusi ddecd1492d ASoC: davinci-mcasp: Calculate AUXCLK divider when setting up master clocks
If the McASP is used as clock master and the reference clock is AUXCLK we
can have additional level of divider. The BCLK divider is limited to
maximum 32, if the desired bclk can not be reached with this, the AUXCLK
divider also needs to be used.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-05-09 16:55:16 +01:00
Peter Ujfalusi 3e9bee11d8 ASoC: davinci-mcasp: Restructure the davinci_mcasp_calc_clk_div()
Change the return value to error_pmm instead of the BCLK div and handle the
divider configuration to McASP within the function when the set flag is
true.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-05-09 16:55:16 +01:00
Peter Ujfalusi 226e73e23b ASoC: davinci-mcasp: Change __davinci_mcasp_set_clkdiv() first parameter
Change the first parameter to struct davinci_mcasp* from
struct snd_soc_dai*
The function internally does not use or need the DAI information.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-05-09 16:55:16 +01:00
Peter Ujfalusi 20d4b10730 ASoC: davinci-mcasp: Use defines for clkdiv IDs
Instead of hardwired IDs add defines for the available dividers.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-05-09 16:55:16 +01:00
Peter Ujfalusi 1935736663 ASoC: davinci-mcasp: Do not allow multiple streams in one direction
Make sure that the user can not start multiple streams with the same
direction.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-05-09 16:24:31 +01:00
Jim Lodes 823ecdd684 ASoC: davinci-mcasp: Fix overwriting of ahclkx
The mcasp davinci_mcasp_set_dai_fmt function was overriding ahclkx
input/output status that had already been set by the
davinci_mcasp_set_sysclk function. This commit removes clearing
of the ahclkx input/output status from davinci_mcasp_set_dai_fmt.

Signed-off-by: Jim Lodes <jim.lodes@garmin.com>
Signed-off-by: J.D. Schroeder <jay.schroeder@garmin.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-04-29 18:19:14 +01:00
Petr Kulhavy 5f9a50c3e5 ASoC: Davinci: McBSP: add device tree support for McBSP
This adds DT support for the TI DA8xx/OMAP-L1x/AM17xx/AM18xx McBSP driver.

Signed-off-by: Petr Kulhavy <petr@barix.com>
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-04-18 17:32:33 +01:00
Peter Ujfalusi dc6cdb4203 ASoC: davinci: Kconfig: Update the edma-pcm section's dependency and help
Instead of depending on individual SoCs make the edma-pcm depend on the eDMA
dmaengine driver (TI_EDMA).
Update the help text and add DRA7xx family since they have eDMA integrated
as well along with sDMA.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-03-12 09:45:59 +07:00
Peter Ujfalusi 4a11ff2600 ASoC: davinci-mcasp: dai format runtime reconfiguration
In case when the dai format is set via the dai_link the format
configuration happens once when the links are probed. If the McASP lose
context after this, the information will be lost and McASP will not going
to work correctly.
To overcome this issue, we save the fmt and set it within hw_params as
well.

Reported-by: Misael Lopez Cruz <misael.lopez@ti.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-03-12 09:42:26 +07:00
Peter Ujfalusi c670254f63 ASoC: davinci-mcasp: Discourage use of fck_parent for clock reparenting
The in-driver clock reparenting had been added when we did not had other
means to cleanly set the parent for the fck. Now we can use
assigned-clocks/assigned-clock-parents in DT binding. Print warning when
the fck_parent is present for McASP and recommend the switch to the proper
way to handle the clock selection.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-01-27 13:13:10 +00:00
Mark Brown 3dd5fc0eeb Merge remote-tracking branches 'asoc/fix/davinci', 'asoc/fix/es8328', 'asoc/fix/fsl-sai', 'asoc/fix/rockchip', 'asoc/fix/sgtl5000' and 'asoc/fix/wm8974' into asoc-linus 2015-12-23 00:23:27 +00:00
Peter Ujfalusi e2a0c9fa80 ASoC: davinci-mcasp: Fix XDATA check in mcasp_start_tx
The condition for checking for XDAT being cleared was not correct.

Fixes: 36bcecd0a7 ("ASoC: davinci-mcasp: Correct TX start sequence")
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
2015-12-11 11:12:28 +00:00
Peter Ujfalusi 0ad7d3a04b ASoC: davinci-mcasp: Fix master capture only mode
When McASP is used as TX/RX synchronous (TX side generating clocks for RX
side also) and only capture is used we need to configure the number of TX
slots in order McASP to be able to generate the Frame sync.

Fixes: 9273de1940d9e ("ASoC: davinci-mcasp: Add set_tdm_slots() support")
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-11-23 11:28:45 +00:00
Andreas Dannenberg 1bdd593247 ASoC: davinci-mcasp: Fix TDM slot rx/tx mask associations
Fixes the associations between the tx_mask and rx_mask and the associated
playback / capture streams during setting of the TDM slot. With this
patch in place it is now possible for example to only populate tx_mask
(leaving rx_mask as 0) for output-only codecs to control the TDM slot(s)
the McASP serial port uses for transmit. Before that, this scenario
would incorrectly rely on the rx_mask for this.

Signed-off-by: Andreas Dannenberg <dannenberg@ti.com>
Reviewed-by: Jyri Sarha <jsarha@ti.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-11-10 18:49:59 +00:00
Mark Brown f7b93159ab Merge remote-tracking branches 'asoc/topic/blackfin', 'asoc/topic/davinci', 'asoc/topic/fsl', 'asoc/topic/hdmi' and 'asoc/topic/intel' into asoc-next 2015-09-23 11:01:19 -07:00
Peter Ujfalusi ab1fffe3a7 ASoC: davinci-mcasp: Fix devm_kasprintf format string
The '\n' at the end of the format string is not needed. It adds an extra
line break when doing
cat /proc/interrupts

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-09-18 16:22:07 +01:00
Jyri Sarha 14a998be08 ASoC: davinci-mcasp: Get rid of bclk_lrclk_ratio in private data
The slot_width is for essentially same thing. Instead of storing
bclk_lrclk_ratio, just store the slot_width. Comments has been updated
accordingly and some variable names changed to more descriptive.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-09-17 11:37:27 +01:00
Jyri Sarha dd55ff8346 ASoC: davinci-mcasp: Add set_tdm_slots() support
Implements set_tdm_slot() callback for mcasp. Channel constraints are
updated according to the configured tdm mask and slots each time
set_tdm_slot() is called. The special case when slot width is set to
zero is allowed and it means that slot width is the same as the sample
width.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-09-16 17:59:15 +01:00
Jyri Sarha 295c3405a8 ASoC: davinci-mcasp: Set .symmetric_rates = 1 in snd_soc_dai_driver
The TX and RX direction share the same bit clock and frame sync, so
the samplerate must be the same to both directions.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-09-14 19:40:08 +01:00
Peter Ujfalusi 723831927e ASoC: davinci-mcasp: Revise the FIFO threshold calculation
The FIFO threshold for McASP should be <=[tx/rx]numevt so the initial value
for the refining should meet this requirement as well.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-09-14 17:29:41 +01:00
Mark Brown 7c0031360b Merge remote-tracking branches 'asoc/topic/davinci', 'asoc/topic/davinci-vcif', 'asoc/topic/doc' and 'asoc/topic/dpcm' into asoc-next 2015-08-30 15:53:39 +01:00
Axel Lin 508a43fdd7 ASoC: davinci: Convert to use devm_ioremap_resource
Use devm_ioremap_resource() instead of open code.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-08-25 10:27:04 +01:00
Vaishali Thakkar 553de19a0e ASoC: davinci-vcif: Use devm_snd_soc_register_component
Use resource managed function devm_snd_soc_register_component for
component registration instead of snd_soc_register_component.

Also, remove davinci_vcif_remove as it is now redundant.

Signed-off-by: Vaishali Thakkar <vthakkar1994@gmail.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-08-17 13:48:28 -07:00
Mark Brown 2924c96276 Merge remote-tracking branch 'asoc/topic/davinci' into asoc-next 2015-06-22 10:24:30 +01:00
Jyri Sarha 9fbd58cf4a ASoC: davinci-mcasp: Choose PCM driver based on configured DMA controller
Find the configured DMA controller by asking for a DMA channel in the
probe phase and releasing it right after. The controller device can be
found via the dma_chan struct and the controller is recognized from
the compatible property of its device node. The patch assumes EDMA if
there is no device node.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-06-09 19:00:52 +01:00
Misael Lopez Cruz 19db62ea05 ASoC: davinci-mcasp: Logic low for inactive output slots
The default state when serializers are in inactive slots is Hi-Z.
In some cases, there are no additional components driving the data
lines to a safe state so they might have noise.

While in inactive slots, the McASP AXR pins configured as outputs
can be driven low through the serializer pin drive mode setting
(DISMOD) to prevent such noise.

Signed-off-by: Misael Lopez Cruz <misael.lopez@ti.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-06-08 18:51:26 +01:00
Mark Brown 698803f8b9 Merge remote-tracking branches 'asoc/topic/davinci' and 'asoc/topic/dpcm' into asoc-next 2015-06-05 18:54:52 +01:00
Peter Ujfalusi 27796e755a ASoC: davinci-mcasp: Correct pm status check in suspend callback
pm_runtime_enabled() will only tell if the pm runtime has been enabled for
the device, which is done at probe time but will not tell the actual power
state of the device.
pm_runtime_active() provides this information.
This patch fixes a kernel crash when doing suspend when McASP is not
active.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-04-30 21:08:56 +01:00
Jyri Sarha 518f6bab13 ASoC: davinci-macsp: Optimize implicit BLCK sample-rate rule
There is no need to copy the list of all supported sample-rates.
Finding the supported endpoints within the current range is enough
(see snd_interval_list()).

Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-04-30 20:47:16 +01:00
Jyri Sarha 5935a05626 ASoC: davinci-mcasp: Channel count constraints for multi-serializer case
Set channel count constraints for multiple serializers case. On McASP
the active channels mask is the same for all the serializers. With the
current implementation this means that if more than one serializers is
used, all TDM slots have to be active on all serializers. The patch
sets the channel count constraints according to number of RX and TX
serializers.

Reported-by: Misael Lopez Cruz <misael.lopez@ti.com>
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-04-30 20:47:16 +01:00
Jyri Sarha 1f114f772a ASoC: davinci-mcasp: Calculate BCLK using TDM slots and remove channels rule
The McASP driver currently always sends as many slots or channels to a
i2s-wire as there are configured tdm_slots (see mcasp_i2s_hw_param()).
Thus the BLCK rate does not depend on the amount of channels, just the
configure amount of tdm-slots.

Reported-by: Misael Lopez Cruz <misael.lopez@ti.com>
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-04-30 20:47:16 +01:00
Mark Brown 41caf0564e Merge remote-tracking branches 'asoc/topic/cx20442' and 'asoc/topic/davinci' into asoc-next 2015-04-12 19:48:56 +01:00
Mark Brown 89a88dd3d6 ASoC: Changes for v4.1
A selection of changes for v4.1 so far.  The main things are:
 
  - Move of jack registration to the card where it belongs.
  - Support for DAPM routes specified by both the machine driver and DT.
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Merge tag 'asoc-v4.1' into asoc-next

ASoC: Changes for v4.1

A selection of changes for v4.1 so far.  The main things are:

 - Move of jack registration to the card where it belongs.
 - Support for DAPM routes specified by both the machine driver and DT.

# gpg: Signature made Thu 05 Mar 2015 01:10:27 GMT using RSA key ID 5D5487D0
# gpg: WARNING: digest algorithm MD5 is deprecated
# gpg: please see https://gnupg.org/faq/weak-digest-algos.html for more information
# gpg: Oops: keyid_from_fingerprint: no pubkey
# gpg: Good signature from "Mark Brown <broonie@sirena.org.uk>"
# gpg:                 aka "Mark Brown <broonie@debian.org>"
# gpg:                 aka "Mark Brown <broonie@kernel.org>"
# gpg:                 aka "Mark Brown <broonie@tardis.ed.ac.uk>"
# gpg:                 aka "Mark Brown <broonie@linaro.org>"
# gpg:                 aka "Mark Brown <Mark.Brown@linaro.org>"
2015-04-12 19:48:29 +01:00
Lars-Peter Clausen b213b44a96 ASoC: davinci-evm: Use card DAPM context to access widgets
The dapm field of the snd_soc_codec struct will eventually be removed
(replaced with the DAPM context from the component embedded inside the
CODEC). Replace its usage with the card's DAPM context. The idea is that
DAPM is hierarchical and with the card at the root it is possible to access
widgets from other contexts through the card context.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-04-12 12:44:24 +01:00
Peter Ujfalusi 4cd9db0859 ASoC: davinci-mcasp: Fix ruledata setup in davinci_mcasp_startup
Passing &mcasp->ruledata[dir] to snd_pcm_hw_rule_add() is not correct since
commit:
7b3d165a28 ASoC: davinci-mcasp: Index ruledata in drvdata with substream->stream
now sets up the struct based on the substream->stream (0 or 1) while we pass
a pointer which we take with dir (1 or 2). This will lead kernel crash.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-04-07 12:05:44 +01:00
Jyri Sarha 7b3d165a28 ASoC: davinci-mcasp: Index ruledata in drvdata with substream->stream
The serializer direction definitions runs from 1 to 2, which does not
suite the purpose. The substream->stream is perfect for the purpose
and should have been used from the beginning.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-04-01 21:34:15 +01:00
Manish Badarkhe a57069e33f ASoC: davinci-evm: drop un-necessary remove function
As davinci card gets registered using 'devm_' api
there is no need to unregister the card in 'remove'
function.
Hence drop the 'remove' function.

Fixes: ee2f615d6e (ASoC: davinci-evm: Add device tree binding)
Signed-off-by: Manish Badarkhe <manishvb@ti.com>
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
2015-03-26 10:01:43 -07:00
Jyri Sarha a75a053f1e ASoC: davinci-mcasp: Set rule constraints if implicit BCLK divider is used
Set rule constraints to allow only combinations of sample-rate,
sample-format, and channels counts that can be played/captured with
reasonable sample-rate accuracy.

The logic with tdm-slots and serializers (=i2s data wires) goes like
this: The first wire will take all channels up to number of tdm-slots,
before following wires (if any) are used. If the first wire is used
fully, the remaining wires share the same clocks and the divider can
be calculated for the first wire.

Also, takes the number of tdm-slots into account when implicitly
selecting the BLCK divider.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-03-24 10:19:43 -07:00
Peter Ujfalusi 66e618857c ASoC: davinci-mcasp: Fix compilation error
Introduced by commit:
6afda7f507 ASoC: davinci-mcasp: Allow complete shutdown of McASP when not in use

I'm really sorry for this...

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-03-06 10:30:15 +00:00
Peter Ujfalusi 6afda7f507 ASoC: davinci-mcasp: Allow complete shutdown of McASP when not in use
Rearrange the pm_runtime_get/put_sync calls so the IP will be turned off
when it is not in use.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-03-05 16:41:25 +00:00
Peter Ujfalusi 4da4608c91 ASoC: davinci: Remove unused davinci-pcm platform driver
All DAI drivers has been converted to use edma-pcm instead of davinci-pcm
and the driver can be removed from the tree.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-03-04 17:26:28 +00:00
Peter Ujfalusi 9759e7ef53 ASoC: davinci-mcasp: Deprecate the use of davinci-pcm in favor of edma-pcm
The edma-pcm performs as good as the old davinci-pcm and it's use does not
require the 'ping-pong' mode of davinci-pcm, which was introduced to
overcome under/over flow issues when using davinci-pcm.

Keep the SND_DAVINCI_SOC config option to select the SND_EDMA_SOC to avoid
regression in audio support.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-03-04 17:26:28 +00:00
Peter Ujfalusi 62731d33c4 ASoC: davinci-vcif: Convert to use edma-pcm
The edma-pcm can replace the old davinci-pcm as platform driver.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-03-04 17:26:28 +00:00
Peter Ujfalusi 257ade78b6 ASoC: davinci-i2s: Convert to use edma-pcm
The edma-pcm can replace the old davinci-pcm as platform driver.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-03-04 17:26:28 +00:00
Peter Ujfalusi 4c03a5ebc7 ASoC: davinci: Select SND_EDMA_SOC when SND_DAVINCI_SOC is enabled
edma-pcm going to replace davinci-pcm as platform driver for daVinci
platform.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-03-04 17:26:28 +00:00