The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is (mostly) ignored
and this typically results in resource leaks. To improve here there is a
quest to make the remove callback return void. In the first step of this
quest all drivers are converted to .remove_new() which already returns
void.
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20230315150745.67084-126-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
It is preferred to use typed property access functions (i.e.
of_property_read_<type> functions) rather than low-level
of_get_property/of_find_property functions for reading properties. As
part of this, convert of_get_property/of_find_property calls to the
recently added of_property_present() helper when we just want to test
for presence of a property and nothing more.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230310144732.1546328-1-robh@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Add support for enabling I2S controller on FSD platform.
FSD I2S controller is based on Exynos7 I2S controller, supporting
2CH playback/capture in I2S mode and 7.1CH playback/capture in TDM
mode.
Signed-off-by: Padmanabhan Rajanbabu <p.rajanbabu@samsung.com>
Link: https://lore.kernel.org/r/20230116103823.90757-3-p.rajanbabu@samsung.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Change the legacy DAI naming flag from opting in to the new scheme
(non_legacy_dai_naming), to opting out of it (legacy_dai_naming).
These drivers appear to be on the CPU side of the DAI link and
currently uses the legacy naming, so add the new flag.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20220623125250.2355471-34-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Now the core has been migrated across to the new direct clock
specification we can move the drivers back to the normal set_fmt
callback.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220519154318.2153729-47-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
As part of updating the core to directly tell drivers if they are clock
provider or consumer update these CPU side drivers to use the new direct
callback.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20220519154318.2153729-20-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
kstrdup() is a memory allocation function which can return NULL when
some internal memory errors happen. It is better to check the return
value of it to catch the error in time.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Xiaoke Wang <xkernel.wang@foxmail.com>
Link: https://lore.kernel.org/r/tencent_EC21778DC383823CBC4069EA9F0B84943905@qq.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Use devm_platform_get_and_ioremap_resource() to simplify
code.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20210616091652.2552927-2-yangyingliang@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
cppcheck warning:
sound/soc/samsung/i2s.c:1159:18: style: Variable 'dai' is not assigned
a value. [unassignedVariable]
struct i2s_dai *dai;
^
This variable is only used for a sizeof(*dai).
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20210219230918.5058-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The driver can be compile tested with !CONFIG_OF making certain data
unused:
sound/soc/samsung/i2s.c:1646:42: warning: ‘i2sv5_dai_type_i2s1’ defined but not used [-Wunused-const-variable=]
sound/soc/samsung/i2s.c:1639:42: warning: ‘i2sv7_dai_type’ defined but not used [-Wunused-const-variable=]
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Sylwester Nawrocki <snawrocki@kernel.org>
Link: https://lore.kernel.org/r/20201125164452.89239-36-krzk@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Because clk_disable_unprepare() already checked NULL clock parameter,
so the additional check is unnecessary, just remove it.
Signed-off-by: Xu Wang <vulab@iscas.ac.cn>
Link: https://lore.kernel.org/r/20201029084137.28771-1-vulab@iscas.ac.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
There is no big difference at implementation for .suspend/.resume
between DAI driver and Component driver.
But because some driver is using DAI version, thus ALSA SoC needs
to keep supporting it, hence, framework becoming verbose.
If we can switch all DAI driver .suspend/.resume to Component driver,
we can remove verbose code from ALSA SoC.
Driver is getting its private data via dai->dev.
But dai->dev and component->dev are same dev, thus, we can convert
these. For same reason, we can convert dai->active to
component->active if necessary.
This patch moves DAI driver .suspend/.resume to Component driver
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87wo9nx7it.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
We can simplify the code by caching the CPU DAI master/slave
information rather than reading previously set register bit.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This patch sets missing stream_name of capture part of the DAI driver
so we can define DAPM routing properly also for the capture stream.
While at it "Playback" suffix is added to the playback stream names
to clearly identify playback/capture.
Together with related dts patch this fixes NULL pointer dereference
when opening ALSA device for recording on Odroid XU3.
Fixes: 64aba9bca5 ("ASoC: samsung: i2s: Add widgets and routes for DPCM support")
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
On some SoCs (e.g. Exynos5433) there are multiple "IIS multi audio
interfaces" and the driver will try to register there multiple times
same platform device for the secondary FIFO, which of course fails
miserably. To fix this we derive the secondary platform device name
from the primary device name. The secondary device name will now
be <primary_dev_name>-sec instead of fixed "samsung-i2s-sec".
The fixed platform_device_id table entry is removed as the secondary
device name is now dynamic and device/driver matching is done through
driver_override.
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Suggested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This fixes unregistration of the secondary platform device so all
resources are properly released. Additionally the removal sequence
is corrected so it is in reverse order comparing to probe sequence.
The test against NULL priv->pdev_sec is removed as it is not necessary.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
When np is NULL i2s_pdata could also be NULL but i2s_pdata is now being
dereferenced without proper check. Fix this and shorten the error message
so we don't exceed 80 characters limit.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Spelling error fixes, upper/lower case letter changes.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Change indentation so this macro definition spans 2 rows and looks
more consistent with surrounding code.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
If the probe call is on the primary DAI we can use 'other' in place of
i2s->sec_dai, if the probe call is on the secondary DAI we can use 'i2s'
in place of other->sec_dai.
While at it fix one whitespace issue.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This is a part of conversion of Samsung platforms to use the custom DMA
config for specifying DMA channel names, in addition to passing custom
DMA device for the secondary CPU DAI's "PCM" component for some variants
of the I2S controller.
We also don't set the SND_DMAENGINE_PCM_FLAG_CUSTOM_CHANNEL_NAME any more
as setting it wouldn't allow to specify DMA channels through the custom
DMA config.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This patch makes the spinlock serializing access to the primary/secondary
PCM a per I2S controller lock, rather than a global one. There is no need
to have a global lock across multiple I2S controllers in the SoC.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
The quirk flags are common for the primary and the secondary DAI
so move respective field from struct i2s_dai to common driver data
structure.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
The IP variant data is another thing common for both DAIs, move it
to the driver's common data structure.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
As we now have the 'priv' pointer in most of the places we can use
priv->lock directly, dropping extra indirection in the SFR region
spinlock access.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
The SFR region is common for both DAIs so move related data structure
field from struct i2s_dai to the common driver data structure.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
There is no need to keep the PM suspend/resume register cache separate
for each DAI as those registers are common, move related i2s_dai data
structure to the driver's common data structure. This will allow us
to simplify the code a little eventually and to make it easier to follow.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
The clock for generating I2S signals is also common for both CPU DAIs
so move it to the driver's common data structure.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
The core clock is also common for both CPU DAIs so move it to
the driver's private data structure.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This patch adds DAPM widgets required to model the internal mixer
of the I2S controller merging audio streams from the primary and
from the secondary PCM interface.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Having the clocks provider data in struct samsung_i2s_priv, i.e. per the I2S
controller instance, rather than per CPU DAI better models the hardware and
simplifies the code a little. The clock provider is common for both DAIs.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This patch introduces again registration of additional platform device as
we still need it for registering the secondary dmaengine PCM component.
This patch in most part is a revert of changes done in commit
be2c92eb64 ("ASoC: samsung: i2s: Remove virtual device for secondary DAI")
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This patch includes minimal changes as a prerequisite for adding support
for the Exynos secondary I2S interface as second DAI of the I2S component.
Doing it that way allows to avoid problems as indicated in commmit
6b01e0365b1689 ("ASoC: samsung: i2s: disable secondary DAI until it gets fixed")
The samsung_i2s_get_pri_dai() helper added in this patch is temporary and
will be removed in one of subsequent patches.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
The additional function argument will allow to select proper DMA device
for requesting DMA channel for the secondary CPU DAI.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Make sure i2s->rclk_srcrate is properly initialized also during
playback through the secondary DAI.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Addresses-Coverity-ID: 1381093 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
As the RCLK clock may be updated through the common clk API before each
snd_soc_dai_ops::trigger call, it is not enough to update i2s->rclk_srcrate
only once after it has been initially set to 0. To avoid wrong PSR values
we always get RCLK frequency from the CLK_I2S_RCLK_SRC clock, when that
clock is available.
Fixes: e1417fdf3011 "ASoC: samsung: i2s: Ensure the RCLK rate is properly determined"
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
The SAMSUNG_I2S_OPCLK is not currently used by any card driver thus we can
safely change semantics of 'dir' argument of the I2S set_sysclk() callback.
Now an enumeration is exported instead of directly using register bit field
values.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
It seems both PCLK_I2S1 and SCLK_I2S1 clocks need to be enabled before
I2S1 control registers can be accessed on exynos5433. If SCLK clock
is disabled an exception is triggered. To fix this parent clock of
the RCLK_SRC clock is assigned to pri_dai->op_clk so required gate
clock is handled by the runtime PM ops.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
In order to support multiple instances of the I2S IP block the platform
device name is prepended to each clock registered by the driver.
The clock-output-names property is now not used, this should not cause
any issues as, for example, CDCLK clock is referenced through DT 'clocks'
property, not by name.
This change allows to have both I2S0 and I2S1 enabled simultaneously
on exynos5433 and working properly when #clock-cells property is specified
in respective DT nodes.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
If the RCLK mux clock configuration is specified in DT and no set_sysclk()
callback is used in the sound card driver the sclk_srcrate field will remain
set to 0, leading to an incorrect PSR divider setting.
To fix this the frequency value is retrieved from the CLK_I2S_RCLK_SRC clock,
so the actual RCLK mux selection is taken into account.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Secondary DAI in Exynos I2S driver is not used by any of the currently
supported boards and it causes problems due to some limitations in the
ASoC code. Disable it until it gets proper support both by board-specific
and ASoC core code. Also disable IDMA support, which relies on secondary
DAI presence.
This patch fixes following kernel warning:
samsung-i2s 3830000.i2s: ASoC: Failed to create component debugfs directory
samsung-i2s 3830000.i2s: ASoC: Failed to create component debugfs directory
------------[ cut here ]------------
WARNING: CPU: 3 PID: 82 at fs/proc/generic.c:330 proc_register+0xec/0x10c
proc_dir_entry 'sub0/prealloc' already registered
Modules linked in:
CPU: 3 PID: 82 Comm: kworker/3:1 Not tainted 4.14.0-rc5-next-20171017 #3089
Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
Workqueue: events deferred_probe_work_func
[<c0110114>] (unwind_backtrace) from [<c010c900>] (show_stack+0x10/0x14)
[<c010c900>] (show_stack) from [<c083e664>] (dump_stack+0x90/0xc8)
[<c083e664>] (dump_stack) from [<c011d2b8>] (__warn+0xd4/0x100)
[<c011d2b8>] (__warn) from [<c011d384>] (warn_slowpath_fmt+0x38/0x48)
[<c011d384>] (warn_slowpath_fmt) from [<c0271268>] (proc_register+0xec/0x10c)
[<c0271268>] (proc_register) from [<c027130c>] (proc_create_data+0x84/0xc8)
[<c027130c>] (proc_create_data) from [<c061afbc>] (snd_info_register+0x64/0xcc)
[<c061afbc>] (snd_info_register) from [<c062a6e0>] (snd_pcm_lib_preallocate_pages1+0x78/0x1a0)
[<c062a6e0>] (snd_pcm_lib_preallocate_pages1) from [<c063eef4>] (dmaengine_pcm_new+0xa0/0x1ec)
[<c063eef4>] (dmaengine_pcm_new) from [<c062b9f8>] (snd_soc_platform_drv_pcm_new+0x1c/0x28)
[<c062b9f8>] (snd_soc_platform_drv_pcm_new) from [<c063d54c>] (soc_new_pcm+0x2f4/0x4f4)
[<c063d54c>] (soc_new_pcm) from [<c063107c>] (snd_soc_register_card+0xc4c/0xdc4)
[<c063107c>] (snd_soc_register_card) from [<c063db30>] (devm_snd_soc_register_card+0x34/0x70)
[<c063db30>] (devm_snd_soc_register_card) from [<c064af60>] (asoc_simple_card_probe+0x230/0x47c)
[<c064af60>] (asoc_simple_card_probe) from [<c047f8fc>] (platform_drv_probe+0x50/0xb0)
[<c047f8fc>] (platform_drv_probe) from [<c047dee0>] (driver_probe_device+0x2a0/0x46c)
[<c047dee0>] (driver_probe_device) from [<c047c0bc>] (bus_for_each_drv+0x44/0x8c)
[<c047c0bc>] (bus_for_each_drv) from [<c047db50>] (__device_attach+0xa0/0x134)
[<c047db50>] (__device_attach) from [<c047cf7c>] (bus_probe_device+0x88/0x90)
[<c047cf7c>] (bus_probe_device) from [<c047d484>] (deferred_probe_work_func+0x3c/0x168)
[<c047d484>] (deferred_probe_work_func) from [<c01371f8>] (process_one_work+0x188/0x41c)
[<c01371f8>] (process_one_work) from [<c01374b4>] (process_scheduled_works+0x28/0x38)
[<c01374b4>] (process_scheduled_works) from [<c01376d4>] (worker_thread+0x210/0x4dc)
[<c01376d4>] (worker_thread) from [<c013d9cc>] (kthread+0x128/0x164)
[<c013d9cc>] (kthread) from [<c0108848>] (ret_from_fork+0x14/0x2c)
---[ end trace bad8db6ee771d094 ]--
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Uwe Kleine-König