drm/nouveau/sec2/tu102-: prepare for GSP-RM

- add (initial) R535 implementation of SEC2, needed for boot

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-30-skeggsb@gmail.com

drm/nouveau/acr: use common falcon HS FW code for ACR FWs

Adds context binding and support for FWs with a bootloader to the code
that was added to load VPR scrubber HS binaries, and ports ACR over to
using all of it.

- gv100 split from gp108 to handle FW exit status differences

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>

drm/nouveau/flcn: rework falcon reset

Mostly preparation to fit in Ampere changes, but should result in reset
sequences a lot closer to RM's, and perhaps help out with the issues we
sometimes see reported in this area.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>

drm/nouveau/sec2: unload RTOS before tearing down WPR

Reset regs won't be available on Ampere while SEC2 RTOS is running, and
we're apparently supposed to be doing this on earlier GPUs too.

v2:
- fixed some excessive indentation

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>

drm/nouveau/sec2: switch to instanced constructor

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>

drm/nouveau/sec2/gp102: allow module to load when LSFW is missing

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/sec2/gv100-: add missing MODULE_FIRMWARE()

ASB was failing to load on Turing GPUs when firmware is being loaded
from initramfs, leaving the GPU in an odd state and causing suspend/
resume to fail.

Add missing MODULE_FIRMWARE() lines for initramfs generators.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: <stable@vger.kernel.org> # 5.6

drm/nouveau/acr: implement new subdev to replace "secure boot"

ACR is responsible for managing the firmware for LS (Low Secure) falcons,
this was previously handled in the driver by SECBOOT.

This rewrite started from some test code that attempted to replicate the
procedure RM uses in order to debug early Turing ACR firmwares that were
provided by NVIDIA for development.

Compared with SECBOOT, the code is structured into more individual steps,
with the aim of making the process easier to follow/debug, whilst making
it possible to support newer firmware versions that may have a different
binary format or API interface.

The HS (High Secure) binary(s) are now booted earlier in device init, to
match the behaviour of RM, whereas SECBOOT would delay this until we try
to boot the first LS falcon.

There's also additional debugging features available, with the intention
of making it easier to solve issues during FW/HW bring-up in the future.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/flcn: specify queue register offsets from subdev

Also fixes the values for Turing, even though we don't use it yet.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/flcn: specify debug/production register offset from subdev

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/flcn: specify EMEM address from subdev

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/flcn: move bind_context WAR out of common code

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/flcn: specify FBIF offset from subdev

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/sec2: move interrupt handler to hw-specific module

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/sec2: initialise SW state for falcon from constructor

This will allow us to register the falcon with ACR, and further customise
its behaviour by providing the nvkm_falcon_func structure directly.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/sec2: select implementation based on available firmware

This will allow for further customisation of the subdev depending on what
firmware is available.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/sec2/tu102-: instantiate SEC2 falcon

Required for ACR.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>