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Set Transmit Data Level(TDL) and Receive Data Level(RDL) to 16 samples.
Without this setting, the TDL is default to be 0x00 (means 0 sample),
and the RDL is default to be 0x1f (means 32 samples).
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Since RK3288 DMAC's burst length only support max to 4, here
set maxburst of playback and capture dma data to 4.
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
According to description about "Transmit Data Level",
This bit field controls the level at which a DMA request
is made by the transmit logic.
It is equal to the watermark level.
That is, the dma_tx_req signal is generated when the number
of valid data entries in the TXFIFO
(TXFIFO0 if CSR=00
TXFIFO1 if CSR=01
TXFIFO2 if CSR=10
TXFIFO3 if CSR=11)
is equal to or below this field value.
Different to receive data level, transmit data level does not need
to "-1".
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Here's the set of driver core patches for 3.19-rc1.
They are dominated by the removal of the .owner field in platform
drivers. They touch a lot of files, but they are "simple" changes, just
removing a line in a structure.
Other than that, a few minor driver core and debugfs changes. There are
some ath9k patches coming in through this tree that have been acked by
the wireless maintainers as they relied on the debugfs changes.
Everything has been in linux-next for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core update from Greg KH:
"Here's the set of driver core patches for 3.19-rc1.
They are dominated by the removal of the .owner field in platform
drivers. They touch a lot of files, but they are "simple" changes,
just removing a line in a structure.
Other than that, a few minor driver core and debugfs changes. There
are some ath9k patches coming in through this tree that have been
acked by the wireless maintainers as they relied on the debugfs
changes.
Everything has been in linux-next for a while"
* tag 'driver-core-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (324 commits)
Revert "ath: ath9k: use debugfs_create_devm_seqfile() helper for seq_file entries"
fs: debugfs: add forward declaration for struct device type
firmware class: Deletion of an unnecessary check before the function call "vunmap"
firmware loader: fix hung task warning dump
devcoredump: provide a one-way disable function
device: Add dev_<level>_once variants
ath: ath9k: use debugfs_create_devm_seqfile() helper for seq_file entries
ath: use seq_file api for ath9k debugfs files
debugfs: add helper function to create device related seq_file
drivers/base: cacheinfo: remove noisy error boot message
Revert "core: platform: add warning if driver has no owner"
drivers: base: support cpu cache information interface to userspace via sysfs
drivers: base: add cpu_device_create to support per-cpu devices
topology: replace custom attribute macros with standard DEVICE_ATTR*
cpumask: factor out show_cpumap into separate helper function
driver core: Fix unbalanced device reference in drivers_probe
driver core: fix race with userland in device_add()
sysfs/kernfs: make read requests on pre-alloc files use the buffer.
sysfs/kernfs: allow attributes to request write buffer be pre-allocated.
fs: sysfs: return EGBIG on write if offset is larger than file size
...
Currently, CONFIG_SND_SOC_ROCKCHIP_I2S could also be selected
without having CONFIG_SND_SOC_ROCKCHIP enabled.
As this makes no sense, a Kconfig dependency is added to
CONFIG_SND_SOC_ROCKCHIP_I2S. This will make the item visible only if
CONFIG_SND_SOC_ROCKCHIP is enabled.
Additionally, as the code connected to CONFIG_SND_SOC_ROCKCHIP_I2S
depends on CONFIG_SND_SOC_GENERIC_DMAENGINE_PCM, the dependency
is moved to reflect this more clearly.
Signed-off-by: Andreas Ruprecht <rupran@einserver.de>
Reported-by: Jim Davis <jim.epost@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
For SND_SOC_ROCKCHIP_I2S, adding some text after the
tristate to make this directly user selectable.
Signed-off-by: Jianqun <jay.xu@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
We can get into an infinite loop if the I2S_CLR register fails to
clear due to a missing break statement, so add that.
Signed-off-by: Jianqun <jay.xu@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
We can get into an infinite loop if the I2S_CLR register fails to
clear due to a missing break statement, so add that.
Signed-off-by: Sonny Rao <sonnyrao@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Add playback/capture dma data to snd_soc_dai.
Test on RK3288 with max98090.
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Fix SND_ROCKCHIP_I2S to be more reasonable - SND_SOC_ROCKCHIP_I2S,
SND_SOC_ROCKCHIP_I2S should select by audio driver, instead of
SND_SOC_ROCKCHIP.
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
As "hclk" is used for rockchip I2S controller, driver must to enable
it in probe.
Tested on RK3288 with max98090.
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Reference rockchip I2S controller TRM, modify some registers' property
I2S_FIFOLR: read / write, but not volatile, not precious
I2S_INTSR: read / write
I2S_CLR: volatile, register value will be cleared by read
Test on RK3288 with max98090.
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Fix error format set to I2S master or slave mode.
Test on RK3288 board with max98090.
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
There is a error message within devm_ioremap_resource
already, so remove the dev_err call to avoid redundant
error message.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Mark Brown <broonie@linaro.org>
This resulted from an unfortunate copy/paste to similar DEFINE name.
Detected automagically by kbuild.
Signed-off-by: xujianqun <xjq@rock-chips.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Missing module.h in linux directory will cause compile error with randconfig,
like as:
sound/soc/rockchip/rockchip_i2s.c:526:20: error: expected declaration
specifiers or ‘...’ before string constant
MODULE_DESCRIPTION("ROCKCHIP IIS ASoC Interface");
Signed-off-by: xujianqun <xjq@rock-chips.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Add driver for i2s controller found on rk3066, rk3168 and rk3288
processors from rockchip.
Tested on the RK3288 SDK board.
Signed-off-by: Jianqun Xu <xjq@rock-chips.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
