kernel/linux.git/include/linux/firmware/cirrus, branch v6.6.132

firmware: cs_dsp: Introduce no_core_startstop for self-booting DSPs

2023-03-21T12:13:17+00:00

There are devices containing Halo Core DSPs that self-boot, cs_dsp is used to manage the running firmware but the host does not have direct control over starting and stopping the DSP and so cs_dsp should consider the DSP to be always running. Signed-off-by: Simon Trimmer Signed-off-by: Richard Fitzgerald Link: https://lore.kernel.org/r/20230320112245.115720-2-rf@opensource.cirrus.com Signed-off-by: Mark Brown

firmware: cs_dsp: Add memory chunk helpers

2022-07-22T12:40:00+00:00

Add helpers that can be layered on top of a buffer read from or to be written to the DSP to faciliate accessing datastructures within the DSP memory. These functions handle adding the padding bytes for the DSP, converting to big endian, and packing arbitrary length data. Signed-off-by: Charles Keepax Link: https://lore.kernel.org/r/20220722094851.92521-2-ckeepax@opensource.cirrus.com Signed-off-by: Mark Brown

firmware: cs_dsp: Add pre_stop callback

2022-07-22T12:39:59+00:00

The code already has a post_stop callback, add a matching pre_stop callback to the client_ops that is called before execution is stopped. This callback provides a convenient place for the client code to communicate with the DSP before it is stopped. Signed-off-by: Charles Keepax Link: https://lore.kernel.org/r/20220722094851.92521-1-ckeepax@opensource.cirrus.com Signed-off-by: Mark Brown

firmware: cirrus: cs_dsp: Avoid padding bytes in cs_dsp_coeff_ctl

2022-04-25T12:59:02+00:00

Change the order of members in struct cs_dsp_coeff_ctl to avoid the compiler having to insert alignment padding bytes. On a x86_64 build this saves 16 bytes per control. - Pointers are collected to the top of the struct (with the exception of priv, as noted below), so that they are inherently aligned. - The set and enable bitflags are placed together so they can be merged. - priv is placed at the end of the struct - it is for use by the client so it is helpful to make it stand out, and since the compiler will always pad the struct size to an alignment multiple putting a pointer last won't introduce any more padding. - struct cs_dsp_alg_region is placed at the end, right before priv, for the same reasoning as priv. Signed-off-by: Richard Fitzgerald Reviewed-by: Charles Keepax Link: https://lore.kernel.org/r/20220425095159.3044527-1-rf@opensource.cirrus.com Signed-off-by: Mark Brown

firmware: cs_dsp: Allow creation of event controls

2021-11-17T22:16:28+00:00

Some firmwares contain controls intended to convey firmware state back to the host. Whilst more infrastructure will probably be needed for these in time, as a first step allow creation of the controls, so said firmwares arn't completely rejected. Signed-off-by: Charles Keepax Link: https://lore.kernel.org/r/20211117132300.1290-10-ckeepax@opensource.cirrus.com Signed-off-by: Mark Brown

firmware: cs_dsp: Add offset to cs_dsp read/write

2021-11-17T22:16:27+00:00

Provide a mechanism to access only part of a control through the cs_dsp interface. Signed-off-by: Charles Keepax Link: https://lore.kernel.org/r/20211117132300.1290-9-ckeepax@opensource.cirrus.com Signed-off-by: Mark Brown

firmware: cs_dsp: Clarify some kernel doc comments

2021-11-17T22:16:26+00:00

Signed-off-by: Charles Keepax Link: https://lore.kernel.org/r/20211117132300.1290-8-ckeepax@opensource.cirrus.com Signed-off-by: Mark Brown

firmware: cs_dsp: Add pre_run callback

2021-11-17T22:16:22+00:00

The code already has a post_run callback, add a matching pre_run callback to the client_ops that is called before execution is started. This callback provides a convenient place for the client code to set DSP controls or hardware that requires configuration before the DSP core actually starts execution. Note that placing this callback before cs_dsp_coeff_sync_controls is important to ensure that any control values are then correctly synced out to the chip. Co-authored-by: Simon Trimmer Signed-off-by: Simon Trimmer Signed-off-by: Charles Keepax Link: https://lore.kernel.org/r/20211117132300.1290-4-ckeepax@opensource.cirrus.com Signed-off-by: Mark Brown

firmware: cs_dsp: Add version checks on coefficient loading

2021-11-17T22:16:21+00:00

The firmware coefficient files contain version information that is currently ignored by the cs_dsp code. This information specifies which version of the firmware the coefficient were generated for. Add a check into the code which prints a warning in the case the coefficient and firmware differ in version, in many cases this will be ok but it is not always, so best to let the user know there is a potential issue. Co-authored-by: Simon Trimmer Signed-off-by: Simon Trimmer Signed-off-by: Charles Keepax Link: https://lore.kernel.org/r/20211117132300.1290-3-ckeepax@opensource.cirrus.com Signed-off-by: Mark Brown

firmware: cs_dsp: tidy includes in cs_dsp.c and cs_dsp.h

2021-11-15T19:25:24+00:00

This patch removes unused included header files and moves others into cs_dsp.h to ensure that types referenced in the header file are properly described to prevent compiler warnings. Signed-off-by: Simon Trimmer Acked-by: Charles Keepax Link: https://lore.kernel.org/r/20211115120215.56824-1-simont@opensource.cirrus.com Signed-off-by: Mark Brown