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rtcpu: capture-ivc: Enable build for Linux 6.2

Browse Source 
The driver of rtcpu/capture-ivc is modified to support
the new APIs of the IVC from core kernel using conftest.

Enable build of this driver.

Bug 4346767

Change-Id: I427bb8b7d5dad02e805d0707fb67e45772fead31
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3033024
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Laxman Dewangan
2023-12-12 11:43:06 +00:00
committed by mobile promotions
parent 00f3315faf
commit bf1cfb5fb4
3 changed files with 19 additions and 61 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/platform/tegra/rtcpu/Makefile
View File

@@ -3,9 +3,7 @@
ccflags-y += -Wframe-larger-than=2048
ifneq ($(CONFIG_TEGRA_IVC_LEGACY_DISABLE),y)
obj-m += capture-ivc.o
endif
obj-m += ivc-bus.o
obj-m += camchar.o
obj-m += camera-diagnostics.o

22
drivers/platform/tegra/rtcpu/capture-ivc.c
View File

@@ -1,6 +1,8 @@
// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2022-2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
#include <nvidia/conftest.h>
#include <linux/tegra-capture-ivc.h>
#include <linux/completion.h>
@@ -357,11 +359,25 @@ static inline void tegra_capture_ivc_recv(struct tegra_capture_ivc *civc)
{
struct tegra_ivc *ivc = &civc->chan->ivc;
struct device *dev = &civc->chan->dev;
const void *msg;
const struct tegra_capture_ivc_msg_header *hdr;
uint32_t id;
while (tegra_ivc_can_read(ivc)) {
const void *msg = tegra_ivc_read_get_next_frame(ivc);
const struct tegra_capture_ivc_msg_header *hdr = msg;
uint32_t id = hdr->channel_id;
#if defined(NV_TEGRA_IVC_STRUCT_HAS_IOSYS_MAP) /* Linux 6.2 */
struct iosys_map map;
int err;
err = tegra_ivc_read_get_next_frame(ivc, &map);
if (err) {
dev_err(dev, "Failed to get next frame for read\n");
return;
}
msg = map.vaddr;
#else
msg = tegra_ivc_read_get_next_frame(ivc);
#endif
hdr = msg;
id = hdr->channel_id;
trace_capture_ivc_recv(dev_name(dev), hdr->msg_id, id);