Extends dmamux driver to support DMAMUX 2,
which supports the BDMA on STM32H7 devices.
Co-authored-by: Jeroen van Dooren <jeroen.van.dooren@nobleo.nl>
Signed-off-by: Hein Wessels <heinwessels93@gmail.com>
Wrap calls to DMA drivers through fops to allow
different dmamuxes to point to different types of
dma with different function calls.
In preperation to add support for BDMA and DMAMUX2.
Co-authored-by: Jeroen van Dooren <jeroen.van.dooren@nobleo.nl>
Signed-off-by: Hein Wessels <heinwessels93@gmail.com>
The Microchip XEC family of microcontrollers includes a
simple DMA block implementing multiple channels. DMA supports
memory to memory, memory to peripheral, and peripheral to
memory transfers. Peripheral support is limited by each
chip to I2C and SPI controllers. DMA hardware does not support
scatter-gather or linked transactions.
Signed-off-by: Jay Vasanth <jay.vasanth@microchip.com>
Allow DMA channel to be stopped even if it is in suspended state.
The current code in dw_dma_stop() supports this, but the recently
added early check for dw_dma_is_enabled() results in DMA stop
sequence to be skipped if the channel was in suspended state.
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
The conditional definitions are not correct as "chan_data"
is used without any include guards, but defined only if
CONFIG_DMA_DW_HW_LLI or CONFIG_DMA_DW_SUSPEND_DRAIN is defined.
Correct the declaration to match usage.
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
On a repeated dma_start, the stm3u5 dma driver should return
immediately if it is already started.
On a repeated dma_stop, the stm3u5 dma driver should return
immediately if it is already stopped.
This like the dma driver does for other stm32 series.
Signed-off-by: Francois Ramu <francois.ramu@st.com>
The DMA API contract specifies that start/stop may be called multiple
times. Prior to adding power management this was perfectly fine as it was.
In adding power management, there are additional side effects that can
cause issues. Instead check the state of the channel prior to start/stop
and do nothing if already in the desired state.
Signed-off-by: Tom Burdick <thomas.burdick@intel.com>
The hda driver uses -EPIPE to signal xrun, as proposed in the alsa lib
https://www.alsa-project.org/alsa-doc/alsa-lib/pcm.html. This commit
changes the xrun error code in dw dma driver from -ENODATA to -EPIPE to
make it consistent across drivers.
Signed-off-by: Adrian Warecki <adrian.warecki@intel.com>
To support the repeated start/stop, the stm32 dma driver is
returning 0 if the channel is already started/stopped.
This is not done at the dmamux level if any.
Signed-off-by: Francois Ramu <francois.ramu@st.com>
Use dma_slot for peripheral request instead of linked_channel.
This is a more suitable usage as described in dma_config.
Signed-off-by: TOKITA Hiroshi <tokita.hiroshi@gmail.com>
Enable Zephyr device runtime power management mechanisms in Intel HDA
DMA driver. This allows Zephyr to track usage reference for power domain
gating.
PM action handler is currently empty and will be fill out later.
Signed-off-by: Tomasz Leman <tomasz.m.leman@intel.com>
Enable Zephyr device runtime power management mechanisms in Intel GP DMA
driver. This allows Zephyr to track usage reference for power domain
gating.
Signed-off-by: Tomasz Leman <tomasz.m.leman@intel.com>
Adds an attribute that describes the maximum number of scatter gather
blocks that the DMA will accept. Useful in cases where DMA is used as
the abstraction for moving data around (e.g. SoF audio streams) and
variances of the hardware need to inform decisions about how to use
the DMA API.
Co-authored-by: Adrian Bonislawski <adrian.bonislawski@intel.com>
Co-authored-by: Jaska Uimonen <jaska.uimonen@intel.com>
Signed-off-by: Tom Burdick <thomas.burdick@intel.com>
This function is responsible for checking if combination of msize,
mburst and FIFO level is allowed. Possible combinations can be found in
ST documentation, eg. Table 36. FIFO threshold configurations, RM0402
9.3.13 FIFO chapter.
Previously there was no 'break' or '__fallthrough' in msize switch which
caused compilation errors. Since we are confirming that combination is
correct, 'break' statements should be used.
Besides of introducing missing 'break' statements, this patch moves
'return false' from switch to the end of the function. This makes code
shorter and easier to understand, because we have only correct
combinations.
Signed-off-by: Patryk Duda <pdk@semihalf.com>
Add the resume API function for the dma driver of the stm32U5 serie.
That completes the suspend API function.
Controlling the SUSPF bit of the GPDMA CR register is enough
to suspend/resume the channel.
Signed-off-by: Francois Ramu <francois.ramu@st.com>
There is no need to reset the channel else DMA config is lost and
channel should be enabled again in case of resume.
Signed-off-by: Francois Ramu <francois.ramu@st.com>
Reduce logging verbosity in status call from INF to DBG as the function
can be called any given time i.e. eveything is fine even if the read and
write pointers don't differ.
Signed-off-by: Jaska Uimonen <jaska.uimonen@linux.intel.com>
Added the new intel_adsp_hda_dma_get_attribute function that
returns dma controller attributes.
Signed-off-by: Adrian Warecki <adrian.warecki@intel.com>
Gives the stm32u5 dma driver a suspend function to
enhance the dma API.
This is a particular feature of the stm32U5 GPDMA
to suspend a channel.
A delay is required ;1ms is compatible with both stm32u5 platforms.
Signed-off-by: Francois Ramu <francois.ramu@st.com>
For the stm32U5 serie, the busy flag is handled as other serie.
When the DMA is overriden by other HAL drivers, the busy flag
is not considered.
Refer to https://github.com/zephyrproject-rtos/zephyr/pull/47645
There is no Mux for this GPDMA and fixed 16 channels.
Signed-off-by: Francois Ramu <francois.ramu@st.com>
There is no DSPRA registers (0x71a60) in SOC Intel ACE.
Therefore this space should be not accessed. It is valid only
for some Intel CAVS SOC versions.
Signed-off-by: Jaroslaw Stelter <Jaroslaw.Stelter@intel.com>
GPDMA should work with disabled interrupts in ctrl_lo
This also helps with stability in SOF scenarios
Signed-off-by: Adrian Bonislawski <adrian.bonislawski@intel.com>
For larger transfers DMA can be used enabling other tasks
to continue running. A threshold of 32 byte transfers
is about right and is defined threshold value for using DMA.
This does not currently support multiple SPI transactions changing
chip select with DMA (though the hardware supports this) currently.
Instead opting for the simpler first change of enabling one shot
DMA SPI transfers for those where the size warrants it.
Adds the loopback binding option to enable the spi_loopback test.
Signed-off-by: Tom Burdick <thomas.burdick@intel.com>
Add the support of the stm32MP1 family for DMA peripheral.
This dma driver is similar to the stm32H7.
Signed-off-by: Francois Ramu <francois.ramu@st.com>
If cfg_hi and cfg_lo are not set to zero in config setting, different
dma slot value is bitwise ORred to the previous set value. Thus fix it.
Signed-off-by: Jaska Uimonen <jaska.uimonen@linux.intel.com>
For Intel ACE1.x the GPDMA link list structure should be aligned
to 64 bytes to avoid the link list entry fetch crossing the 64 bytes
address alignment.
Signed-off-by: Serhiy Katsyuba <serhiy.katsyuba@intel.com>
Change automated searching for files using "IRQ_CONNECT()" API not
including <zephyr/irq.h>.
Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
Fix the scope of some variables in various STM32 drivers including:
- SDMMC
- DMA
- OSPI/QSPI Flash
- Interrupt controller
The variables are set static instead of global and const if appropriate.
Signed-off-by: Guillaume Gautier <guillaume.gautier-ext@st.com>
This will use DW_CFGH_DST instead of DW_CFGH_DST_PER
to correctly setup cfg_hi. This is critical for ALH transfer.
Signed-off-by: Adrian Bonislawski <adrian.bonislawski@intel.com>
This will trigger link commit immediately after start
to fix hda start flow.
Applies to link out only.
Signed-off-by: Adrian Bonislawski <adrian.bonislawski@intel.com>
For HDA link suspend is exactly the same as stop
but the same api is used also to control gpdma with unique suspend
Signed-off-by: Adrian Bonislawski <adrian.bonislawski@intel.com>
