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/* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that 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.
*/
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/of.h>
#include <linux/module.h>
#include <linux/ion.h>
#include <linux/kernel.h>
#include "cam_node.h"
#include "cam_hw_mgr_intf.h"
#include "cam_jpeg_hw_mgr_intf.h"
#include "cam_jpeg_dev.h"
#include "cam_debug_util.h"
#define CAM_JPEG_DEV_NAME "cam-jpeg"
static struct cam_jpeg_dev g_jpeg_dev;
static const struct of_device_id cam_jpeg_dt_match[] = {
{
.compatible = "qcom,cam-jpeg"
},
{ }
};
static int cam_jpeg_subdev_close(struct v4l2_subdev *sd,
struct v4l2_subdev_fh *fh)
{
struct cam_node *node = v4l2_get_subdevdata(sd);
if (!node) {
CAM_ERR(CAM_JPEG, "Node ptr is NULL");
return -EINVAL;
}
cam_node_shutdown(node);
return 0;
}
static const struct v4l2_subdev_internal_ops cam_jpeg_subdev_internal_ops = {
.close = cam_jpeg_subdev_close,
};
static int cam_jpeg_dev_remove(struct platform_device *pdev)
{
int rc;
int i;
for (i = 0; i < CAM_CTX_MAX; i++) {
rc = cam_jpeg_context_deinit(&g_jpeg_dev.ctx_jpeg[i]);
if (rc)
CAM_ERR(CAM_JPEG, "JPEG context %d deinit failed %d",
i, rc);
}
rc = cam_subdev_remove(&g_jpeg_dev.sd);
if (rc)
CAM_ERR(CAM_JPEG, "Unregister failed %d", rc);
return rc;
}
static int cam_jpeg_dev_probe(struct platform_device *pdev)
{
int rc;
int i;
struct cam_hw_mgr_intf hw_mgr_intf;
struct cam_node *node;
g_jpeg_dev.sd.internal_ops = &cam_jpeg_subdev_internal_ops;
rc = cam_subdev_probe(&g_jpeg_dev.sd, pdev, CAM_JPEG_DEV_NAME,
CAM_JPEG_DEVICE_TYPE);
if (rc) {
CAM_ERR(CAM_JPEG, "JPEG cam_subdev_probe failed %d", rc);
goto err;
}
node = (struct cam_node *)g_jpeg_dev.sd.token;
rc = cam_jpeg_hw_mgr_init(pdev->dev.of_node,
(uint64_t *)&hw_mgr_intf);
if (rc) {
CAM_ERR(CAM_JPEG, "Can not initialize JPEG HWmanager %d", rc);
goto unregister;
}
for (i = 0; i < CAM_CTX_MAX; i++) {
rc = cam_jpeg_context_init(&g_jpeg_dev.ctx_jpeg[i],
&g_jpeg_dev.ctx[i],
&node->hw_mgr_intf,
i);
if (rc) {
CAM_ERR(CAM_JPEG, "JPEG context init failed %d %d",
i, rc);
goto ctx_init_fail;
}
}
rc = cam_node_init(node, &hw_mgr_intf, g_jpeg_dev.ctx, CAM_CTX_MAX,
CAM_JPEG_DEV_NAME);
if (rc) {
CAM_ERR(CAM_JPEG, "JPEG node init failed %d", rc);
goto ctx_init_fail;
}
mutex_init(&g_jpeg_dev.jpeg_mutex);
CAM_INFO(CAM_JPEG, "Camera JPEG probe complete");
return rc;
ctx_init_fail:
for (--i; i >= 0; i--)
if (cam_jpeg_context_deinit(&g_jpeg_dev.ctx_jpeg[i]))
CAM_ERR(CAM_JPEG, "deinit fail %d %d", i, rc);
unregister:
if (cam_subdev_remove(&g_jpeg_dev.sd))
CAM_ERR(CAM_JPEG, "remove fail %d", rc);
err:
return rc;
}
static struct platform_driver jpeg_driver = {
.probe = cam_jpeg_dev_probe,
.remove = cam_jpeg_dev_remove,
.driver = {
.name = "cam_jpeg",
.owner = THIS_MODULE,
.of_match_table = cam_jpeg_dt_match,
.suppress_bind_attrs = true,
},
};
static int __init cam_jpeg_dev_init_module(void)
{
return platform_driver_register(&jpeg_driver);
}
static void __exit cam_jpeg_dev_exit_module(void)
{
platform_driver_unregister(&jpeg_driver);
}
module_init(cam_jpeg_dev_init_module);
module_exit(cam_jpeg_dev_exit_module);
MODULE_DESCRIPTION("MSM JPEG driver");
MODULE_LICENSE("GPL v2");
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