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drm/tegra: add T186 support to VIC

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Define vic_t186_config and vic_t186_ops for VIC

Define .load_regs = vic_load_streamid_regs() for VIC
streamid support

Bug 1704301

Change-Id: Ib364c773c6c340c30e2644ef0baca500d89de55c
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1023439
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Arto Merilainen <amerilainen@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Shridhar Rasal <srasal@nvidia.com>
This commit is contained in:
Deepak Nibade
2016-03-03 19:15:24 +05:30
committed by Laxman Dewangan
parent 969bd376ed
commit 27cb8a37fc
3 changed files with 82 additions and 0 deletions
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7
drivers/gpu/drm/tegra/Makefile Normal file
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@@ -0,0 +1,7 @@
ccflags-y += -Idrivers/gpu/drm/tegra
ccflags-y += -I../kernel-t18x/drivers/gpu/drm/tegra
tegra-drm-t186-y = \
vic_t186.o
obj-$(CONFIG_TEGRA_HOST1X) += tegra-drm-t186.o

48
drivers/gpu/drm/tegra/vic_t186.c Normal file
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@@ -0,0 +1,48 @@
/*
* Copyright (C) 2016 NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "drm.h"
#include "vic_t186.h"
#include <linux/iommu.h>
static int vic_load_streamid_regs(struct tegra_drm_client *client)
{
struct vic *vic = to_vic(client);
int streamid = -EINVAL;
streamid = iommu_get_hwid(vic->dev->archdata.iommu, vic->dev, 0);
if (streamid >= 0) {
vic_writel(vic, streamid, VIC_THI_STREAMID0);
vic_writel(vic, streamid, VIC_THI_STREAMID1);
}
return 0;
}
static const struct tegra_drm_client_ops vic_t186_ops = {
.open_channel = vic_open_channel,
.close_channel = vic_close_channel,
.is_addr_reg = vic_is_addr_reg,
.submit = tegra_drm_submit,
.load_regs = vic_load_streamid_regs,
};
const struct vic_config vic_t186_config = {
.ucode_name = "tegra18x/vic04_ucode.bin",
.drm_client_ops = &vic_t186_ops,
};

27
drivers/gpu/drm/tegra/vic_t186.h Normal file
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@@ -0,0 +1,27 @@
/*
* Copyright (C) 2016 NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef TEGRA_VIC_T186_H
#define TEGRA_VIC_T186_H
#include "vic.h"
#define VIC_THI_STREAMID0 0x30
#define VIC_THI_STREAMID1 0x34
extern const struct vic_config vic_t186_config;
#endif