nvidia-tegra-modules.git/include/linux/tegra-ivc-bus.h, branch rtss22-ae NVIDIA's kernel modules to support tegra chips (used in Jetson boards) tegra: camera: rtcpu: track ivc-bus state changes 2017-12-25T17:42:08+00:00 Pekka Pessi ppessi@nvidia.com 2017-11-27T19:39:39+00:00 ac6b586b1323ce7933a258366a8677c0d3459f7b The kernel tasks handling the ivc-channel notification may miss the online->offline->online change during the RTCPU reboot. Add a simple interface for tracking the IVC bus resets. Jira CAMC-513 Change-Id: Idb174b777af710295542d420251e6b0f2181e0d4 Signed-off-by: Pekka Pessi <ppessi@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1620009 Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Amit Purwar <apurwar@nvidia.com> Tested-by: Amit Purwar <apurwar@nvidia.com> Tested-by: Shantanu Nath <snath@nvidia.com> Reviewed-by: Shantanu Nath <snath@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> 
The kernel tasks handling the ivc-channel notification may miss the
online->offline->online change during the RTCPU reboot. Add a simple
interface for tracking the IVC bus resets.

Jira CAMC-513

Change-Id: Idb174b777af710295542d420251e6b0f2181e0d4
Signed-off-by: Pekka Pessi <ppessi@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1620009
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Amit Purwar <apurwar@nvidia.com>
Tested-by: Amit Purwar <apurwar@nvidia.com>
Tested-by: Shantanu Nath <snath@nvidia.com>
Reviewed-by: Shantanu Nath <snath@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
platform: tegra: rtcpu: send up/down to all channels 2017-05-04T08:54:44+00:00 Pekka Pessi ppessi@nvidia.com 2017-02-02T01:33:26+00:00 d3ab9755583a4354f49a29d8c95a777b602a3e0d Send the RTCPU up/down events to all IVC channels, not just VI notifier clients. Jira CRTC-911 Jira CRTC-726 Bug 1819170 Change-Id: Ia2a2fc941b157cd54a34e78da4e12cd3c7038d5a Signed-off-by: Pekka Pessi <ppessi@nvidia.com> Reviewed-on: http://git-master/r/1298058 GVS: Gerrit_Virtual_Submit Reviewed-by: Mika Liljeberg <mliljeberg@nvidia.com> 
Send the RTCPU up/down events to all IVC channels, not just VI notifier
clients.

Jira CRTC-911
Jira CRTC-726
Bug 1819170

Change-Id: Ia2a2fc941b157cd54a34e78da4e12cd3c7038d5a
Signed-off-by: Pekka Pessi <ppessi@nvidia.com>
Reviewed-on: http://git-master/r/1298058
GVS: Gerrit_Virtual_Submit
Reviewed-by: Mika Liljeberg <mliljeberg@nvidia.com>
platform: tegra: rtcpu: ivc subsys init 2017-04-07T02:24:20+00:00 Ashish Singh assingh@nvidia.com 2017-03-22T17:37:46+00:00 b316d927fcb8eecac3287d1d633c3561cb162a94 Making all ivc channel driver as subsys level init, so that drivers are registered when ivc bus is created and ivc channel devices are added. Which will make sure that ready call is made to all ivc channel drivers for them to know when RTCPU is online or offline. Also adding ready func ops to all ivc channel drivers and test if it was called by is_ready flag. CRTC-925 Change-Id: I0d91624fe3dc23cb894d59cba0a7bdcb4626d2ac Signed-off-by: Ashish Singh <assingh@nvidia.com> Reviewed-on: http://git-master/r/1326220 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Jihoon Bang <jbang@nvidia.com> 
Making all ivc channel driver as subsys level init, so that
drivers are registered when ivc bus is created and ivc channel
devices are added. Which will make sure that ready call is made
to all ivc channel drivers for them to know when RTCPU is online
or offline.

Also adding ready func ops to all ivc channel drivers and test if
it was called by is_ready flag.

CRTC-925

Change-Id: I0d91624fe3dc23cb894d59cba0a7bdcb4626d2ac
Signed-off-by: Ashish Singh <assingh@nvidia.com>
Reviewed-on: http://git-master/r/1326220
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Jihoon Bang <jbang@nvidia.com>
platform: tegra: rtcpu: use runtime pm 2017-02-02T00:18:24+00:00 Pekka Pessi ppessi@nvidia.com 2017-01-13T14:22:40+00:00 3bc6c5a3874591f975fa0f41f91db8c4973d090c Use the runtime PM with the RTCPU IVC channels and shared mailbox. Add separate channel-specific functions for runtime pm that can be redirected if we need power domain. Jira CRTC-910 Bug 1857548 Change-Id: I94dd2d4b10e2e3b11853a814922b1f6771da717a Signed-off-by: Pekka Pessi <ppessi@nvidia.com> Reviewed-on: http://git-master/r/1296040 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Jihoon Bang <jbang@nvidia.com> 
Use the runtime PM with the RTCPU IVC channels and shared mailbox.

Add separate channel-specific functions for runtime pm that can be
redirected if we need power domain.

Jira CRTC-910
Bug 1857548

Change-Id: I94dd2d4b10e2e3b11853a814922b1f6771da717a
Signed-off-by: Pekka Pessi <ppessi@nvidia.com>
Reviewed-on: http://git-master/r/1296040
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Jihoon Bang <jbang@nvidia.com>
drivers: tegra: rtcpu: dynamic IOVM configuration 2017-01-16T22:44:00+00:00 Mika Liljeberg mliljeberg@nvidia.com 2016-12-27T08:53:42+00:00 1a470f4566fb4d882ded2bf1547087cb1a7b2369 Dynamically allocate shared memory buffers for IVC channels and tracing. The IOVM areas are communicated to RTCPU with a new CH_SETUP mailbox command. The beginning of each memory area contains a descriptor list in tag-length-value format, which describes the contents of the IO memory area. The RTCPU firmware will parse the descriptors and configure IVC services and tracing accordingly. Success or failure is communicated through the CH_SETUP response. Jira CRTC-700 Jira CRTC-800 Bug 1819170 Change-Id: Ic21d28c95e9aadb8633b40977eb641f65e5be381 Signed-off-by: Mika Liljeberg <mliljeberg@nvidia.com> Reviewed-on: http://git-master/r/1277169 Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com> Reviewed-by: Pekka Pessi <ppessi@nvidia.com> Tested-by: Pekka Pessi <ppessi@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Jihoon Bang <jbang@nvidia.com> 
Dynamically allocate shared memory buffers for IVC channels and
tracing. The IOVM areas are communicated to RTCPU with a new
CH_SETUP mailbox command. The beginning of each memory area
contains a descriptor list in tag-length-value format, which
describes the contents of the IO memory area.

The RTCPU firmware will parse the descriptors and configure
IVC services and tracing accordingly. Success or failure is
communicated through the CH_SETUP response.

Jira CRTC-700
Jira CRTC-800
Bug 1819170

Change-Id: Ic21d28c95e9aadb8633b40977eb641f65e5be381
Signed-off-by: Mika Liljeberg <mliljeberg@nvidia.com>
Reviewed-on: http://git-master/r/1277169
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
Reviewed-by: Pekka Pessi <ppessi@nvidia.com>
Tested-by: Pekka Pessi <ppessi@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Jihoon Bang <jbang@nvidia.com>
platform: tegra: rtcpu: register hsp driver early 2017-01-11T18:53:30+00:00 Pekka Pessi ppessi@nvidia.com 2017-01-03T20:29:58+00:00 1e0e87278fec2c4739bc59161c83b52482ae7bef Register the HSP drivers before probing the modules. The IVC channel negotiation is now part of the RTCPU boot sequence. The negotiation fails if the bus has not been probed. The IVC bus must be probed before completing the RTCPU boot. Probing the bus requires an HSP driver, which must be registered before RTCPU device is probed and the processor boots. Jira CRTC-700 Jira CRTC-800 Bug 1819170 Change-Id: I0e14597acefac51a5cc5d0973e2c3f46be3f34e1 Signed-off-by: Pekka Pessi <ppessi@nvidia.com> Reviewed-on: http://git-master/r/1279726 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Mika Liljeberg <mliljeberg@nvidia.com> 
Register the HSP drivers before probing the modules.

The IVC channel negotiation is now part of the RTCPU boot sequence. The
negotiation fails if the bus has not been probed. The IVC bus must be
probed before completing the RTCPU boot. Probing the bus requires an HSP
driver, which must be registered before RTCPU device is probed and the
processor boots.

Jira CRTC-700
Jira CRTC-800
Bug 1819170

Change-Id: I0e14597acefac51a5cc5d0973e2c3f46be3f34e1
Signed-off-by: Pekka Pessi <ppessi@nvidia.com>
Reviewed-on: http://git-master/r/1279726
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Mika Liljeberg <mliljeberg@nvidia.com>
tegra: ivc: rpc: RPC over IVC 2016-12-09T21:44:51+00:00 Kai Lee kailee@nvidia.com 2016-10-13T19:22:41+00:00 bbc8a52f546b2a026daed4abd4b8e48207bae873 RPC (remote procedure call) layer is introduced to make it easier to use IVC interface to communicate with peer. JIRA CRTC-535 Bug 1825752 Change-Id: I3907f71079bf2bbe7b3b9dd4660098d1ed711149 Signed-off-by: Kai Lee <kailee@nvidia.com> Reviewed-on: http://git-master/r/1263222 Reviewed-by: Pekka Pessi <ppessi@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Jihoon Bang <jbang@nvidia.com> 
RPC (remote procedure call) layer is introduced to make it easier
to use IVC interface to communicate with peer.

JIRA CRTC-535
Bug 1825752

Change-Id: I3907f71079bf2bbe7b3b9dd4660098d1ed711149
Signed-off-by: Kai Lee <kailee@nvidia.com>
Reviewed-on: http://git-master/r/1263222
Reviewed-by: Pekka Pessi <ppessi@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Jihoon Bang <jbang@nvidia.com>
tegra: ivc: Add a function to find camrtc device 2016-12-08T00:19:31+00:00 Kai Lee kailee@nvidia.com 2016-11-14T19:47:32+00:00 4980800d66dee6b38416cc0b77e5d7baf4e8ae05 JIRA CRTC-640 Bug 1841452 Change-Id: I4d0741aeb2dbb726ac7b1cbf197b51905df1bb99 Signed-off-by: Kai Lee <kailee@nvidia.com> Reviewed-on: http://git-master/r/1263221 Reviewed-by: Automatic_Commit_Validation_User GVS: Gerrit_Virtual_Submit Reviewed-by: Ashish Singh <assingh@nvidia.com> Reviewed-by: David Wang (SW-TEGRA) <davidw@nvidia.com> Reviewed-by: Jihoon Bang <jbang@nvidia.com> 
JIRA CRTC-640
Bug 1841452

Change-Id: I4d0741aeb2dbb726ac7b1cbf197b51905df1bb99
Signed-off-by: Kai Lee <kailee@nvidia.com>
Reviewed-on: http://git-master/r/1263221
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Ashish Singh <assingh@nvidia.com>
Reviewed-by: David Wang (SW-TEGRA) <davidw@nvidia.com>
Reviewed-by: Jihoon Bang <jbang@nvidia.com>
ast: rework interface 2016-07-26T16:51:10+00:00 Remi Denis-Courmont remid@nvidia.com 2016-07-19T11:37:41+00:00 4f9f2474467c9d8b27dbce16b9f312cf9716e094 - create devices for each remote AST block (CPU/DMA pair) - create devices fot each AST region (this will simplify power management) - initialize AST from RTCPU driver (this allows using same AST in different children of RTCPU) Bug 1614189 Signed-off-by: Remi Denis-Courmont <remid@nvidia.com> Change-Id: I7d4d1fc25146b35c948b2ce48c38166385ab6f63 Reviewed-on: http://git-master/r/1183488 Reviewed-by: Automatic_Commit_Validation_User GVS: Gerrit_Virtual_Submit Reviewed-by: Jihoon Bang <jbang@nvidia.com> 
- create devices for each remote AST block (CPU/DMA pair)
- create devices fot each AST region
  (this will simplify power management)
- initialize AST from RTCPU driver
  (this allows using same AST in different children of RTCPU)

Bug 1614189

Signed-off-by: Remi Denis-Courmont <remid@nvidia.com>
Change-Id: I7d4d1fc25146b35c948b2ce48c38166385ab6f63
Reviewed-on: http://git-master/r/1183488
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Jihoon Bang <jbang@nvidia.com>
camera: rtcpu: remove mailbox controller 2016-05-30T17:12:55+00:00 Remi Denis-Courmont remid@nvidia.com 2016-05-04T12:12:14+00:00 3dd39961429780c9a631e69fd8b8fbdddb61b803 This removes the no longer used mailbox controller from the IVC bus driver. This also fixes a race between turning the HSP notifications on/off and probing/unbinding IVC channel device drivers. JIRA CRTC-142 Signed-off-by: Remi Denis-Courmont <remid@nvidia.com> Change-Id: Ida7e3f41d0440a13c439929e5d28bd007f0c4100 Reviewed-on: http://git-master/r/1141300 Reviewed-by: Automatic_Commit_Validation_User GVS: Gerrit_Virtual_Submit Reviewed-by: Pekka Pessi <ppessi@nvidia.com> Reviewed-by: Mika Liljeberg <mliljeberg@nvidia.com> 
This removes the no longer used mailbox controller from the IVC bus
driver. This also fixes a race between turning the HSP notifications
on/off and probing/unbinding IVC channel device drivers.

JIRA CRTC-142

Signed-off-by: Remi Denis-Courmont <remid@nvidia.com>
Change-Id: Ida7e3f41d0440a13c439929e5d28bd007f0c4100
Reviewed-on: http://git-master/r/1141300
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Pekka Pessi <ppessi@nvidia.com>
Reviewed-by: Mika Liljeberg <mliljeberg@nvidia.com>