static int camera_v4l2_close(struct file *filep)
{
int rc = 0;
/* */
int ret = 0;
/* */
struct v4l2_event event;
struct msm_video_device *pvdev = video_drvdata(filep);
struct camera_v4l2_private *sp = fh_to_private(filep->private_data);
//
atomic_sub_return(1, &pvdev->opened);
if (atomic_read(&pvdev->opened) == 0) {
camera_pack_event(filep, MSM_CAMERA_SET_PARM,
MSM_CAMERA_PRIV_DEL_STREAM, -1, &event);
/* Donot wait, imaging server may have crashed */
/* */
ret = msm_post_event(&event, MSM_POST_EVT_TIMEOUT);
if(ret < 0){
pr_err("%s:%d camera_v4l2_close_1 failed\n", __func__, __LINE__);
}
/* */
camera_pack_event(filep, MSM_CAMERA_DEL_SESSION, 0, -1, &event);
/* Donot wait, imaging server may have crashed */
msm_post_event(&event, -1);
msm_delete_command_ack_q(pvdev->vdev->num, 0);
/* This should take care of both normal close
* and application crashes */
msm_destroy_session(pvdev->vdev->num);
pm_relax(&pvdev->vdev->dev);
atomic_set(&pvdev->stream_cnt, 0);
} else {
camera_pack_event(filep, MSM_CAMERA_SET_PARM,
MSM_CAMERA_PRIV_DEL_STREAM, -1, &event);
/* Donot wait, imaging server may have crashed */
/* */
ret = msm_post_event(&event, MSM_POST_EVT_TIMEOUT);
if(ret < 0){
pr_err("%s:%d camera_v4l2_close_2 failed\n", __func__, __LINE__);
}
/* */
msm_delete_command_ack_q(pvdev->vdev->num,
sp->stream_id);
msm_delete_stream(pvdev->vdev->num, sp->stream_id);
}
camera_v4l2_vb2_q_release(filep);
camera_v4l2_fh_release(filep);
return rc;
}
static int camera_v4l2_close(struct file *filep)
{
int rc = 0;
struct v4l2_event event;
struct msm_video_device *pvdev = video_drvdata(filep);
struct camera_v4l2_private *sp = fh_to_private(filep->private_data);
BUG_ON(!pvdev);
atomic_sub_return(1, &pvdev->opened);
if (atomic_read(&pvdev->opened) == 0) {
if(1 == cam_wakelock_init && !wake_lock_active(&cam_wakelock))
{
hw_camera_log_info("%s: start camera wake_lock_timeout!\n",__func__);
//wake lock 500ms for camera exit
wake_lock_timeout(&cam_wakelock, HZ/2);
}
else
{
hw_camera_log_info("%s: do not need wake_lock now, cam_wakelock_init = %d\n",
__func__, cam_wakelock_init);
}
camera_pack_event(filep, MSM_CAMERA_SET_PARM,
MSM_CAMERA_PRIV_DEL_STREAM, -1, &event);
/* Donot wait, imaging server may have crashed */
msm_post_event(&event, MSM_POST_EVT_TIMEOUT);
camera_pack_event(filep, MSM_CAMERA_DEL_SESSION, 0, -1, &event);
/* Donot wait, imaging server may have crashed */
msm_post_event(&event, -1);
msm_delete_command_ack_q(pvdev->vdev->num, 0);
/* This should take care of both normal close
* and application crashes */
msm_destroy_session(pvdev->vdev->num);
pm_relax(&pvdev->vdev->dev);
atomic_set(&pvdev->stream_cnt, 0);
} else {
camera_pack_event(filep, MSM_CAMERA_SET_PARM,
MSM_CAMERA_PRIV_DEL_STREAM, -1, &event);
/* Donot wait, imaging server may have crashed */
msm_post_event(&event, MSM_POST_EVT_TIMEOUT);
msm_delete_command_ack_q(pvdev->vdev->num,
sp->stream_id);
msm_delete_stream(pvdev->vdev->num, sp->stream_id);
}
camera_v4l2_vb2_q_release(filep);
camera_v4l2_fh_release(filep);
return rc;
}
static int camera_v4l2_close(struct file *filep)
{
int rc = 0;
struct v4l2_event event;
struct msm_video_device *pvdev = video_drvdata(filep);
struct camera_v4l2_private *sp = fh_to_private(filep->private_data);
unsigned int opn_idx, mask;
BUG_ON(!pvdev);
opn_idx = atomic_read(&pvdev->opened);
pr_debug("%s: close stream_id=%d\n", __func__, sp->stream_id);
mask = (1 << sp->stream_id);
opn_idx &= ~mask;
atomic_set(&pvdev->opened, opn_idx);
if (atomic_read(&pvdev->opened) == 0) {
camera_pack_event(filep, MSM_CAMERA_SET_PARM,
MSM_CAMERA_PRIV_DEL_STREAM, -1, &event);
/* Donot wait, imaging server may have crashed */
msm_post_event(&event, MSM_POST_EVT_TIMEOUT);
camera_pack_event(filep, MSM_CAMERA_DEL_SESSION, 0, -1, &event);
/* Donot wait, imaging server may have crashed */
msm_post_event(&event, -1);
msm_delete_command_ack_q(pvdev->vdev->num, 0);
/* This should take care of both normal close
* and application crashes */
msm_destroy_session(pvdev->vdev->num);
/* Enable power collapse latency */
msm_pm_qos_update_request(CAMERA_ENABLE_PC_LATENCY);
pm_relax(&pvdev->vdev->dev);
} else {
camera_pack_event(filep, MSM_CAMERA_SET_PARM,
MSM_CAMERA_PRIV_DEL_STREAM, -1, &event);
/* Donot wait, imaging server may have crashed */
msm_post_event(&event, MSM_POST_EVT_TIMEOUT);
msm_delete_command_ack_q(pvdev->vdev->num,
sp->stream_id);
msm_delete_stream(pvdev->vdev->num, sp->stream_id);
}
camera_v4l2_vb2_q_release(filep);
camera_v4l2_fh_release(filep);
return rc;
}
static int camera_v4l2_close(struct file *filep)
{
int rc = 0;
struct v4l2_event event;
struct msm_video_device *pvdev = video_drvdata(filep);
struct camera_v4l2_private *sp = fh_to_private(filep->private_data);
BUG_ON(!pvdev);
atomic_sub_return(1, &pvdev->opened);
if (atomic_read(&pvdev->opened) == 0) {
camera_pack_event(filep, MSM_CAMERA_SET_PARM,
MSM_CAMERA_PRIV_DEL_STREAM, -1, &event);
/* Donot wait, imaging server may have crashed */
msm_post_event(&event, MSM_POST_EVT_TIMEOUT);
camera_pack_event(filep, MSM_CAMERA_DEL_SESSION, 0, -1, &event);
/* Donot wait, imaging server may have crashed */
#if 1 // wait for signal
msm_post_event(&event, MSM_POST_EVT_TIMEOUT);
#else
msm_post_event(&event, -1);
#endif
msm_delete_command_ack_q(pvdev->vdev->num, 0);
/* This should take care of both normal close
* and application crashes */
msm_destroy_session(pvdev->vdev->num);
} else {
camera_pack_event(filep, MSM_CAMERA_SET_PARM,
MSM_CAMERA_PRIV_DEL_STREAM, -1, &event);
/* Donot wait, imaging server may have crashed */
msm_post_event(&event, MSM_POST_EVT_TIMEOUT);
msm_delete_command_ack_q(pvdev->vdev->num,
sp->stream_id);
msm_delete_stream(pvdev->vdev->num, sp->stream_id);
}
camera_v4l2_vb2_q_release(filep);
camera_v4l2_fh_release(filep);
return rc;
}
static int camera_v4l2_g_ctrl(struct file *filep, void *fh,
struct v4l2_control *ctrl)
{
int rc = 0;
struct v4l2_event event;
struct msm_video_device *pvdev = video_drvdata(filep);
unsigned int session_id = pvdev->vdev->num;
if (ctrl->id >= V4L2_CID_PRIVATE_BASE) {
if (ctrl->id == MSM_CAMERA_PRIV_G_SESSION_ID) {
ctrl->value = session_id;
} else {
camera_pack_event(filep, MSM_CAMERA_GET_PARM,
ctrl->id, -1, &event);
rc = msm_post_event(&event, MSM_POST_EVT_TIMEOUT);
if (rc < 0)
return rc;
rc = camera_check_event_status(&event);
}
}
return rc;
}
static int camera_v4l2_s_parm(struct file *filep, void *fh,
struct v4l2_streamparm *parm)
{
int rc = 0;
struct v4l2_event event;
struct msm_v4l2_event_data *event_data =
(struct msm_v4l2_event_data *)&event.u.data[0];
struct camera_v4l2_private *sp = fh_to_private(fh);
camera_pack_event(filep, MSM_CAMERA_SET_PARM,
MSM_CAMERA_PRIV_NEW_STREAM, -1, &event);
rc = msm_create_stream(event_data->session_id,
event_data->stream_id, &sp->vb2_q);
if (rc < 0)
return rc;
rc = msm_post_event(&event, MSM_POST_EVT_TIMEOUT);
if (rc < 0)
goto error;
rc = camera_check_event_status(&event);
if (rc < 0)
goto error;
/* use stream_id as stream index */
parm->parm.capture.extendedmode = sp->stream_id;
return rc;
error:
msm_delete_stream(event_data->session_id,
event_data->stream_id);
return rc;
}
static int camera_v4l2_open(struct file *filep)
{
int rc = 0;
struct v4l2_event event;
struct msm_video_device *pvdev = video_drvdata(filep);
BUG_ON(!pvdev);
rc = camera_v4l2_fh_open(filep);
if (rc < 0)
goto fh_open_fail;
/* every stream has a vb2 queue */
rc = camera_v4l2_vb2_q_init(filep);
if (rc < 0)
goto vb2_q_fail;
if (!atomic_read(&pvdev->opened)) {
/* create a new session when first opened */
rc = msm_create_session(pvdev->vdev->num, pvdev->vdev);
if (rc < 0)
goto session_fail;
rc = msm_create_command_ack_q(pvdev->vdev->num, 0);
if (rc < 0)
goto command_ack_q_fail;
camera_pack_event(filep, MSM_CAMERA_NEW_SESSION, 0, -1, &event);
rc = msm_post_event(&event, MSM_POST_EVT_TIMEOUT);
if (rc < 0)
goto post_fail;
rc = camera_check_event_status(&event);
if (rc < 0)
goto post_fail;
} else {
rc = msm_create_command_ack_q(pvdev->vdev->num,
atomic_read(&pvdev->stream_cnt));
if (rc < 0)
goto session_fail;
}
atomic_add(1, &pvdev->opened);
atomic_add(1, &pvdev->stream_cnt);
return rc;
post_fail:
msm_delete_command_ack_q(pvdev->vdev->num, 0);
command_ack_q_fail:
msm_destroy_session(pvdev->vdev->num);
session_fail:
camera_v4l2_vb2_q_release(filep);
vb2_q_fail:
camera_v4l2_fh_release(filep);
fh_open_fail:
return rc;
}
static int camera_v4l2_s_fmt_vid_cap_mplane(struct file *filep, void *fh,
struct v4l2_format *pfmt)
{
int rc = 0;
int i = 0;
struct v4l2_event event;
struct camera_v4l2_private *sp = fh_to_private(fh);
struct msm_v4l2_format_data *user_fmt;
if (pfmt->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
if (WARN_ON(!sp->vb2_q.drv_priv))
return -ENOMEM;
memcpy(sp->vb2_q.drv_priv, pfmt->fmt.raw_data,
sizeof(struct msm_v4l2_format_data));
user_fmt = (struct msm_v4l2_format_data *)sp->vb2_q.drv_priv;
pr_debug("%s: num planes :%c\n", __func__,
user_fmt->num_planes);
/*num_planes need to bound checked, otherwise for loop
can execute forever */
if (WARN_ON(user_fmt->num_planes > VIDEO_MAX_PLANES))
return -EINVAL;
for (i = 0; i < user_fmt->num_planes; i++)
pr_debug("%s: plane size[%d]\n", __func__,
user_fmt->plane_sizes[i]);
camera_pack_event(filep, MSM_CAMERA_SET_PARM,
MSM_CAMERA_PRIV_S_FMT, -1, &event);
rc = msm_post_event(&event, MSM_POST_EVT_TIMEOUT);
/* */
if (rc < 0){
pr_err("%s:%d camera_v4l2_s_fmt_vid_cap_mplane failed\n", __func__, __LINE__);
goto set_fmt_fail;
}
/* */
rc = camera_check_event_status(&event);
if (rc < 0)
goto set_fmt_fail;
sp->is_vb2_valid = 1;
}
return rc;
set_fmt_fail:
kzfree(sp->vb2_q.drv_priv);
sp->vb2_q.drv_priv = NULL;
return rc;
}
static int camera_v4l2_streamoff(struct file *filep, void *fh,
enum v4l2_buf_type buf_type)
{
struct v4l2_event event;
int rc;
struct camera_v4l2_private *sp = fh_to_private(fh);
camera_pack_event(filep, MSM_CAMERA_SET_PARM,
MSM_CAMERA_PRIV_STREAM_OFF, -1, &event);
rc = msm_post_event(&event, MSM_POST_EVT_TIMEOUT);
if (rc < 0)
return rc;
rc = camera_check_event_status(&event);
vb2_streamoff(&sp->vb2_q, buf_type);
return rc;
}
static int camera_v4l2_querycap(struct file *filep, void *fh,
struct v4l2_capability *cap)
{
int rc;
struct v4l2_event event;
/* can use cap->driver to make differentiation */
camera_pack_event(filep, MSM_CAMERA_GET_PARM,
MSM_CAMERA_PRIV_QUERY_CAP, -1, &event);
rc = msm_post_event(&event, MSM_POST_EVT_TIMEOUT);
if (rc < 0)
return rc;
rc = camera_check_event_status(&event);
return rc;
}
static int camera_v4l2_g_crop(struct file *filep, void *fh,
struct v4l2_crop *crop)
{
int rc = 0;
struct v4l2_event event;
if (crop->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
camera_pack_event(filep, MSM_CAMERA_GET_PARM,
MSM_CAMERA_PRIV_G_CROP, -1, &event);
rc = msm_post_event(&event, MSM_POST_EVT_TIMEOUT);
if (rc < 0)
return rc;
rc = camera_check_event_status(&event);
}
return rc;
}
static int camera_v4l2_g_ctrl(struct file *filep, void *fh,
struct v4l2_control *ctrl)
{
int rc = 0;
struct v4l2_event event;
if (ctrl->id >= V4L2_CID_PRIVATE_BASE) {
camera_pack_event(filep, MSM_CAMERA_GET_PARM, ctrl->id, -1,
&event);
rc = msm_post_event(&event, MSM_POST_EVT_TIMEOUT);
if (rc < 0)
return rc;
rc = camera_check_event_status(&event);
}
return rc;
}
static int camera_v4l2_streamon(struct file *filep, void *fh,
enum v4l2_buf_type buf_type)
{
struct v4l2_event event;
int rc;
struct camera_v4l2_private *sp = fh_to_private(fh);
rc = vb2_streamon(&sp->vb2_q, buf_type);
camera_pack_event(filep, MSM_CAMERA_SET_PARM,
MSM_CAMERA_PRIV_STREAM_ON, -1, &event);
rc = msm_post_event(&event, MSM_POST_EVT_TIMEOUT);
if (rc < 0) {
pr_err("%s : msm_post_event failed!", __FUNCTION__);
return rc;
}
rc = camera_check_event_status(&event);
return rc;
}
static int camera_v4l2_queryctrl(struct file *filep, void *fh,
struct v4l2_queryctrl *ctrl)
{
int rc = 0;
struct v4l2_event event;
if (ctrl->type == V4L2_CTRL_TYPE_MENU) {
camera_pack_event(filep, MSM_CAMERA_GET_PARM,
ctrl->id, -1, &event);
rc = msm_post_event(&event, MSM_POST_EVT_TIMEOUT);
if (rc < 0)
return rc;
rc = camera_check_event_status(&event);
}
return rc;
}
static int camera_v4l2_g_fmt_vid_cap_mplane(struct file *filep, void *fh,
struct v4l2_format *pfmt)
{
int rc = -EINVAL;
if (pfmt->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
struct v4l2_event event;
camera_pack_event(filep, MSM_CAMERA_GET_PARM,
MSM_CAMERA_PRIV_G_FMT, -1, &event);
rc = msm_post_event(&event, MSM_POST_EVT_TIMEOUT);
if (rc < 0)
return rc;
rc = camera_check_event_status(&event);
}
return rc;
}
static int camera_v4l2_s_ctrl(struct file *filep, void *fh,
struct v4l2_control *ctrl)
{
int rc = 0;
struct v4l2_event event;
struct msm_v4l2_event_data *event_data;
if (ctrl->id >= V4L2_CID_PRIVATE_BASE) {
camera_pack_event(filep, MSM_CAMERA_SET_PARM, ctrl->id,
ctrl->value, &event);
rc = msm_post_event(&event, MSM_POST_EVT_TIMEOUT);
if (rc < 0)
return rc;
event_data = (struct msm_v4l2_event_data *)event.u.data;
ctrl->value = event_data->ret_value;
rc = camera_check_event_status(&event);
}
return rc;
}
static int camera_v4l2_s_crop(struct file *filep, void *fh,
const struct v4l2_crop *crop)
{
int rc = 0;
struct v4l2_event event;
if (crop->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
camera_pack_event(filep, MSM_CAMERA_SET_PARM,
MSM_CAMERA_PRIV_S_CROP, -1, &event);
rc = msm_post_event(&event, MSM_POST_EVT_TIMEOUT);
if (rc < 0) {
pr_err("%s : msm_post_event failed!", __FUNCTION__);
return rc;
}
rc = camera_check_event_status(&event);
}
return rc;
}
static int camera_v4l2_g_ctrl(struct file *filep, void *fh,
struct v4l2_control *ctrl)
{
int rc = 0;
struct v4l2_event event;
if (ctrl->id >= V4L2_CID_PRIVATE_BASE) {
camera_pack_event(filep, MSM_CAMERA_GET_PARM, ctrl->id, -1,
&event);
rc = msm_post_event(&event, MSM_POST_EVT_TIMEOUT);
/* */
if (rc < 0){
pr_err("%s:%d camera_v4l2_g_ctrl failed\n", __func__, __LINE__);
return rc;
}
/* */
rc = camera_check_event_status(&event);
}
return rc;
}
static int camera_v4l2_open(struct file *filep)
{
int rc = 0;
struct v4l2_event event;
struct msm_video_device *pvdev = video_drvdata(filep);
BUG_ON(!pvdev);
rc = camera_v4l2_fh_open(filep);
if (rc < 0) {
pr_err("%s : camera_v4l2_fh_open", __func__);
goto fh_open_fail;
}
/* every stream has a vb2 queue */
rc = camera_v4l2_vb2_q_init(filep);
if (rc < 0) {
pr_err("%s : camera_v4l2_vb2_q_init", __func__);
goto vb2_q_fail;
}
if (!atomic_read(&pvdev->opened)) {
/* create a new session when first opened */
rc = msm_create_session(pvdev->vdev->num, pvdev->vdev);
if (rc < 0) {
pr_err("%s : msm_create_session", __func__);
goto session_fail;
}
rc = msm_create_command_ack_q(pvdev->vdev->num, 0);
if (rc < 0) {
pr_err("%s : msm_create_command_ack_q", __func__);
goto command_ack_q_fail;
}
camera_pack_event(filep, MSM_CAMERA_NEW_SESSION, 0, -1, &event);
rc = msm_post_event(&event, MSM_POST_EVT_TIMEOUT);
if (rc < 0) {
pr_err("%s, __dbg: post fail \n", __func__);
if (qdaemon_task) {
if (!strncmp(qdaemon_task->comm, QDAEMON, strlen(QDAEMON))) {
pr_err("%s, kill daemon", __func__);
send_sig(SIGKILL, qdaemon_task, 0);
pr_err("%s, kill this", __func__);
send_sig(SIGKILL, current, 0);
} else
pr_err("%s, now (%s : %d)", __func__,
qdaemon_task->comm, task_pid_nr(qdaemon_task));
} else
pr_err("error!! can't look for daemon");
goto post_fail;
}
rc = camera_check_event_status(&event);
if (rc < 0) {
pr_err("%s : camera_check_event_status", __func__);
goto post_fail;
}
} else {
rc = msm_create_command_ack_q(pvdev->vdev->num,
atomic_read(&pvdev->opened));
if (rc < 0) {
pr_err("%s : msm_create_command_ack_q", __func__);
goto session_fail;
}
}
atomic_add(1, &pvdev->opened);
return rc;
post_fail:
msm_delete_command_ack_q(pvdev->vdev->num, 0);
command_ack_q_fail:
msm_destroy_session(pvdev->vdev->num);
session_fail:
camera_v4l2_vb2_q_release(filep);
vb2_q_fail:
camera_v4l2_fh_release(filep);
fh_open_fail:
return rc;
}
static int camera_v4l2_open(struct file *filep)
{
int rc = 0;
struct v4l2_event event;
struct msm_video_device *pvdev = video_drvdata(filep);
BUG_ON(!pvdev);
rc = camera_v4l2_fh_open(filep);
if (rc < 0) {
pr_err("%s : camera_v4l2_fh_open failed Line %d rc %d\n",
__func__, __LINE__, rc);
goto fh_open_fail;
}
/* every stream has a vb2 queue */
rc = camera_v4l2_vb2_q_init(filep);
if (rc < 0) {
pr_err("%s : vb2 queue init fails Line %d rc %d\n",
__func__, __LINE__, rc);
goto vb2_q_fail;
}
if (!atomic_read(&pvdev->opened)) {
pm_stay_awake(&pvdev->vdev->dev);
/* create a new session when first opened */
rc = msm_create_session(pvdev->vdev->num, pvdev->vdev);
if (rc < 0) {
pr_err("%s : session creation failed Line %d rc %d\n",
__func__, __LINE__, rc);
goto session_fail;
}
rc = msm_create_command_ack_q(pvdev->vdev->num, 0);
if (rc < 0) {
pr_err("%s : creation of command_ack queue failed\n",
__func__);
pr_err("%s : Line %d rc %d\n", __func__, __LINE__, rc);
goto command_ack_q_fail;
}
camera_pack_event(filep, MSM_CAMERA_NEW_SESSION, 0, -1, &event);
rc = msm_post_event(&event, MSM_POST_EVT_TIMEOUT);
if (rc < 0) {
pr_err("%s : posting of NEW_SESSION event failed\n",
__func__);
pr_err("%s : Line %d rc %d\n", __func__, __LINE__, rc);
goto post_fail;
}
rc = camera_check_event_status(&event);
if (rc < 0) {
pr_err("%s : checking event status fails Line %d rc %d\n",
__func__, __LINE__, rc);
goto post_fail;
}
} else {
rc = msm_create_command_ack_q(pvdev->vdev->num,
atomic_read(&pvdev->stream_cnt));
if (rc < 0) {
pr_err("%s : creation of command_ack queue failed Line %d rc %d\n",
__func__, __LINE__, rc);
goto session_fail;
}
}
atomic_add(1, &pvdev->opened);
atomic_add(1, &pvdev->stream_cnt);
return rc;
post_fail:
msm_delete_command_ack_q(pvdev->vdev->num, 0);
command_ack_q_fail:
msm_destroy_session(pvdev->vdev->num);
session_fail:
pm_relax(&pvdev->vdev->dev);
camera_v4l2_vb2_q_release(filep);
vb2_q_fail:
camera_v4l2_fh_release(filep);
fh_open_fail:
return rc;
}
static int camera_v4l2_open(struct file *filep)
{
int rc = 0;
struct v4l2_event event;
struct msm_video_device *pvdev = video_drvdata(filep);
unsigned int opn_idx, idx;
BUG_ON(!pvdev);
rc = camera_v4l2_fh_open(filep);
if (rc < 0) {
pr_err("%s : camera_v4l2_fh_open failed Line %d rc %d\n",
__func__, __LINE__, rc);
goto fh_open_fail;
}
opn_idx = atomic_read(&pvdev->opened);
idx = opn_idx;
/* every stream has a vb2 queue */
rc = camera_v4l2_vb2_q_init(filep);
if (rc < 0) {
pr_err("%s : vb2 queue init fails Line %d rc %d\n",
__func__, __LINE__, rc);
goto vb2_q_fail;
}
if (!atomic_read(&pvdev->opened)) {
pm_stay_awake(&pvdev->vdev->dev);
/* Disable power collapse latency */
msm_pm_qos_update_request(CAMERA_DISABLE_PC_LATENCY);
/* create a new session when first opened */
rc = msm_create_session(pvdev->vdev->num, pvdev->vdev);
if (rc < 0) {
pr_err("%s : session creation failed Line %d rc %d\n",
__func__, __LINE__, rc);
goto session_fail;
}
rc = msm_create_command_ack_q(pvdev->vdev->num,
find_first_zero_bit((const unsigned long *)&opn_idx,
MSM_CAMERA_STREAM_CNT_BITS));
if (rc < 0) {
pr_err("%s : creation of command_ack queue failed\n",
__func__);
pr_err("%s : Line %d rc %d\n", __func__, __LINE__, rc);
goto command_ack_q_fail;
}
camera_pack_event(filep, MSM_CAMERA_NEW_SESSION, 0, -1, &event);
rc = msm_post_event(&event, MSM_POST_EVT_TIMEOUT);
if (rc < 0) {
pr_err("%s : posting of NEW_SESSION event failed\n",
__func__);
pr_err("%s : Line %d rc %d\n", __func__, __LINE__, rc);
goto post_fail;
}
rc = camera_check_event_status(&event);
if (rc < 0) {
pr_err("%s : checking event status fails Line %d rc %d\n",
__func__, __LINE__, rc);
goto post_fail;
}
} else {
rc = msm_create_command_ack_q(pvdev->vdev->num,
find_first_zero_bit((const unsigned long *)&opn_idx,
MSM_CAMERA_STREAM_CNT_BITS));
if (rc < 0) {
pr_err("%s : creation of command_ack queue failed Line %d rc %d\n",
__func__, __LINE__, rc);
goto session_fail;
}
}
idx |= (1 << find_first_zero_bit((const unsigned long *)&opn_idx,
MSM_CAMERA_STREAM_CNT_BITS));
atomic_cmpxchg(&pvdev->opened, opn_idx, idx);
return rc;
post_fail:
msm_delete_command_ack_q(pvdev->vdev->num, 0);
command_ack_q_fail:
msm_destroy_session(pvdev->vdev->num);
session_fail:
pm_relax(&pvdev->vdev->dev);
camera_v4l2_vb2_q_release(filep);
vb2_q_fail:
camera_v4l2_fh_release(filep);
fh_open_fail:
return rc;
}
static int camera_v4l2_close(struct file *filep)
{
int rc = 0;
struct v4l2_event event;
struct msm_video_device *pvdev = video_drvdata(filep);
struct camera_v4l2_private *sp = fh_to_private(filep->private_data);
unsigned int opn_idx, mask;
struct msm_session *session;
BUG_ON(!pvdev);
session = msm_session_find(pvdev->vdev->num);
if (WARN_ON(!session))
return -EIO;
opn_idx = atomic_read(&pvdev->opened);
pr_info("[CAM]%s: close stream_id=%d +\n", __func__, sp->stream_id);
pr_debug("%s: close stream_id=%d\n", __func__, sp->stream_id);
mask = (1 << sp->stream_id);
opn_idx &= ~mask;
atomic_set(&pvdev->opened, opn_idx);
if (atomic_read(&pvdev->opened) == 0) {
mutex_lock(&session->close_lock);
camera_pack_event(filep, MSM_CAMERA_SET_PARM,
MSM_CAMERA_PRIV_DEL_STREAM, -1, &event);
pr_info("[CAM]%s: + MSM_CAMERA_PRIV_DEL_STREAM 1\n", __func__);
msm_post_event(&event, MSM_POST_EVT_TIMEOUT);
pr_info("[CAM]%s: -\n", __func__);
camera_pack_event(filep, MSM_CAMERA_DEL_SESSION, 0, -1, &event);
pr_info("[CAM]%s: + MSM_CAMERA_DEL_SESSION 2\n", __func__);
msm_post_event(&event, MSM_POST_EVT_TIMEOUT);
pr_info("[CAM]%s: -\n", __func__);
msm_delete_command_ack_q(pvdev->vdev->num, 0);
mutex_unlock(&session->close_lock);
pr_info("[CAM]%s: msm_delete_command_ack_q done\n", __func__);
camera_v4l2_vb2_q_release(filep);
pr_info("[CAM]%s: camera_v4l2_vb2_q_release done\n", __func__);
msm_destroy_session(pvdev->vdev->num);
pr_info("[CAM]%s: msm_destroy_session done\n", __func__);
pm_relax(&pvdev->vdev->dev);
pr_info("[CAM]%s: pm_relax done\n", __func__);
} else {
mutex_lock(&session->close_lock);
camera_pack_event(filep, MSM_CAMERA_SET_PARM,
MSM_CAMERA_PRIV_DEL_STREAM, -1, &event);
pr_info("[CAM]%s: + MSM_CAMERA_PRIV_DEL_STREAM\n", __func__);
msm_post_event(&event, MSM_POST_EVT_TIMEOUT);
pr_info("[CAM]%s: -\n", __func__);
msm_delete_command_ack_q(pvdev->vdev->num,
sp->stream_id);
camera_v4l2_vb2_q_release(filep);
msm_delete_stream(pvdev->vdev->num, sp->stream_id);
mutex_unlock(&session->close_lock);
}
camera_v4l2_fh_release(filep);
pr_info("[CAM]%s: close -\n", __func__);
return rc;
}