| /* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * * Neither the name of The Linux Foundation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| #include <pthread.h> |
| #include <errno.h> |
| #include <sys/ioctl.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <fcntl.h> |
| #include <poll.h> |
| |
| #include <cam_semaphore.h> |
| |
| #include "mm_camera_dbg.h" |
| #include "mm_camera_sock.h" |
| #include "mm_camera_interface.h" |
| #include "mm_camera.h" |
| |
| #define SET_PARM_BIT32(parm, parm_arr) \ |
| (parm_arr[parm/32] |= (1<<(parm%32))) |
| |
| #define GET_PARM_BIT32(parm, parm_arr) \ |
| ((parm_arr[parm/32]>>(parm%32))& 0x1) |
| |
| /* internal function declare */ |
| int32_t mm_camera_evt_sub(mm_camera_obj_t * my_obj, |
| uint8_t reg_flag); |
| int32_t mm_camera_enqueue_evt(mm_camera_obj_t *my_obj, |
| mm_camera_event_t *event); |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_util_get_channel_by_handler |
| * |
| * DESCRIPTION: utility function to get a channel object from its handle |
| * |
| * PARAMETERS : |
| * @cam_obj: ptr to a camera object |
| * @handler: channel handle |
| * |
| * RETURN : ptr to a channel object. |
| * NULL if failed. |
| *==========================================================================*/ |
| mm_channel_t * mm_camera_util_get_channel_by_handler( |
| mm_camera_obj_t * cam_obj, |
| uint32_t handler) |
| { |
| int i; |
| mm_channel_t *ch_obj = NULL; |
| for(i = 0; i < MM_CAMERA_CHANNEL_MAX; i++) { |
| if (handler == cam_obj->ch[i].my_hdl) { |
| ch_obj = &cam_obj->ch[i]; |
| break; |
| } |
| } |
| return ch_obj; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_util_chip_is_a_family |
| * |
| * DESCRIPTION: utility function to check if the host is A family chip |
| * |
| * PARAMETERS : |
| * |
| * RETURN : TRUE if A family. |
| * FALSE otherwise. |
| *==========================================================================*/ |
| uint8_t mm_camera_util_chip_is_a_family(void) |
| { |
| #ifdef USE_A_FAMILY |
| return TRUE; |
| #else |
| return FALSE; |
| #endif |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_dispatch_app_event |
| * |
| * DESCRIPTION: dispatch event to apps who regitster for event notify |
| * |
| * PARAMETERS : |
| * @cmd_cb: ptr to a struct storing event info |
| * @user_data: user data ptr (camera object) |
| * |
| * RETURN : none |
| *==========================================================================*/ |
| static void mm_camera_dispatch_app_event(mm_camera_cmdcb_t *cmd_cb, |
| void* user_data) |
| { |
| mm_camera_cmd_thread_name("mm_cam_event"); |
| int i; |
| mm_camera_event_t *event = &cmd_cb->u.evt; |
| mm_camera_obj_t * my_obj = (mm_camera_obj_t *)user_data; |
| if (NULL != my_obj) { |
| pthread_mutex_lock(&my_obj->cb_lock); |
| for(i = 0; i < MM_CAMERA_EVT_ENTRY_MAX; i++) { |
| if(my_obj->evt.evt[i].evt_cb) { |
| my_obj->evt.evt[i].evt_cb( |
| my_obj->my_hdl, |
| event, |
| my_obj->evt.evt[i].user_data); |
| } |
| } |
| pthread_mutex_unlock(&my_obj->cb_lock); |
| } |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_event_notify |
| * |
| * DESCRIPTION: callback to handle event notify from kernel. This call will |
| * dequeue event from kernel. |
| * |
| * PARAMETERS : |
| * @user_data: user data ptr (camera object) |
| * |
| * RETURN : none |
| *==========================================================================*/ |
| static void mm_camera_event_notify(void* user_data) |
| { |
| struct v4l2_event ev; |
| struct msm_v4l2_event_data *msm_evt = NULL; |
| int rc; |
| mm_camera_event_t evt; |
| memset(&evt, 0, sizeof(mm_camera_event_t)); |
| |
| mm_camera_obj_t *my_obj = (mm_camera_obj_t*)user_data; |
| if (NULL != my_obj) { |
| /* read evt */ |
| memset(&ev, 0, sizeof(ev)); |
| rc = ioctl(my_obj->ctrl_fd, VIDIOC_DQEVENT, &ev); |
| |
| if (rc >= 0 && ev.id == MSM_CAMERA_MSM_NOTIFY) { |
| msm_evt = (struct msm_v4l2_event_data *)ev.u.data; |
| switch (msm_evt->command) { |
| case CAM_EVENT_TYPE_DAEMON_PULL_REQ: |
| evt.server_event_type = CAM_EVENT_TYPE_DAEMON_PULL_REQ; |
| mm_camera_enqueue_evt(my_obj, &evt); |
| break; |
| case CAM_EVENT_TYPE_MAP_UNMAP_DONE: |
| pthread_mutex_lock(&my_obj->evt_lock); |
| my_obj->evt_rcvd.server_event_type = msm_evt->command; |
| my_obj->evt_rcvd.status = msm_evt->status; |
| pthread_cond_signal(&my_obj->evt_cond); |
| pthread_mutex_unlock(&my_obj->evt_lock); |
| break; |
| case MSM_CAMERA_PRIV_SHUTDOWN: |
| { |
| evt.server_event_type = CAM_EVENT_TYPE_DAEMON_DIED; |
| mm_camera_enqueue_evt(my_obj, &evt); |
| } |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_enqueue_evt |
| * |
| * DESCRIPTION: enqueue received event into event queue to be processed by |
| * event thread. |
| * |
| * PARAMETERS : |
| * @my_obj : ptr to a camera object |
| * @event : event to be queued |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| *==========================================================================*/ |
| int32_t mm_camera_enqueue_evt(mm_camera_obj_t *my_obj, |
| mm_camera_event_t *event) |
| { |
| int32_t rc = 0; |
| mm_camera_cmdcb_t *node = NULL; |
| |
| node = (mm_camera_cmdcb_t *)malloc(sizeof(mm_camera_cmdcb_t)); |
| if (NULL != node) { |
| memset(node, 0, sizeof(mm_camera_cmdcb_t)); |
| node->cmd_type = MM_CAMERA_CMD_TYPE_EVT_CB; |
| node->u.evt = *event; |
| |
| /* enqueue to evt cmd thread */ |
| cam_queue_enq(&(my_obj->evt_thread.cmd_queue), node); |
| /* wake up evt cmd thread */ |
| cam_sem_post(&(my_obj->evt_thread.cmd_sem)); |
| } else { |
| CDBG_ERROR("%s: No memory for mm_camera_node_t", __func__); |
| rc = -1; |
| } |
| |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_open |
| * |
| * DESCRIPTION: open a camera |
| * |
| * PARAMETERS : |
| * @my_obj : ptr to a camera object |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| *==========================================================================*/ |
| int32_t mm_camera_open(mm_camera_obj_t *my_obj) |
| { |
| char dev_name[MM_CAMERA_DEV_NAME_LEN]; |
| int32_t rc = 0; |
| int8_t n_try=MM_CAMERA_DEV_OPEN_TRIES; |
| uint8_t sleep_msec=MM_CAMERA_DEV_OPEN_RETRY_SLEEP; |
| unsigned int cam_idx = 0; |
| |
| CDBG("%s: begin\n", __func__); |
| |
| if (NULL == my_obj) { |
| goto on_error; |
| } |
| snprintf(dev_name, sizeof(dev_name), "/dev/%s", |
| mm_camera_util_get_dev_name(my_obj->my_hdl)); |
| sscanf(dev_name, "/dev/video%u", &cam_idx); |
| CDBG_HIGH("%s: dev name = %s, cam_idx = %d", __func__, dev_name, cam_idx); |
| |
| do{ |
| n_try--; |
| my_obj->ctrl_fd = open(dev_name, O_RDWR | O_NONBLOCK); |
| CDBG("%s: ctrl_fd = %d, errno == %d", __func__, my_obj->ctrl_fd, errno); |
| if((my_obj->ctrl_fd > 0) || (errno != EIO) || (n_try <= 0 )) { |
| CDBG_HIGH("%s: opened, break out while loop", __func__); |
| break; |
| } |
| CDBG("%s:failed with I/O error retrying after %d milli-seconds", |
| __func__, sleep_msec); |
| usleep(sleep_msec * 1000); |
| }while (n_try > 0); |
| |
| if (my_obj->ctrl_fd <= 0) { |
| CDBG_ERROR("%s: cannot open control fd of '%s' (%s)\n", |
| __func__, dev_name, strerror(errno)); |
| rc = -1; |
| goto on_error; |
| } |
| |
| /* open domain socket*/ |
| n_try = MM_CAMERA_DEV_OPEN_TRIES; |
| do { |
| n_try--; |
| my_obj->ds_fd = mm_camera_socket_create(cam_idx, MM_CAMERA_SOCK_TYPE_UDP); |
| CDBG("%s: ds_fd = %d, errno = %d", __func__, my_obj->ds_fd, errno); |
| if((my_obj->ds_fd > 0) || (n_try <= 0 )) { |
| CDBG("%s: opened, break out while loop", __func__); |
| break; |
| } |
| CDBG("%s:failed with I/O error retrying after %d milli-seconds", |
| __func__, sleep_msec); |
| usleep(sleep_msec * 1000); |
| } while (n_try > 0); |
| |
| if (my_obj->ds_fd <= 0) { |
| CDBG_ERROR("%s: cannot open domain socket fd of '%s'(%s)\n", |
| __func__, dev_name, strerror(errno)); |
| rc = -1; |
| goto on_error; |
| } |
| pthread_mutex_init(&my_obj->msg_lock, NULL); |
| |
| pthread_mutex_init(&my_obj->cb_lock, NULL); |
| pthread_mutex_init(&my_obj->evt_lock, NULL); |
| pthread_cond_init(&my_obj->evt_cond, NULL); |
| |
| CDBG("%s : Launch evt Thread in Cam Open",__func__); |
| mm_camera_cmd_thread_launch(&my_obj->evt_thread, |
| mm_camera_dispatch_app_event, |
| (void *)my_obj); |
| |
| /* launch event poll thread |
| * we will add evt fd into event poll thread upon user first register for evt */ |
| CDBG("%s : Launch evt Poll Thread in Cam Open", __func__); |
| mm_camera_poll_thread_launch(&my_obj->evt_poll_thread, |
| MM_CAMERA_POLL_TYPE_EVT); |
| mm_camera_evt_sub(my_obj, TRUE); |
| |
| CDBG("%s: end (rc = %d)\n", __func__, rc); |
| /* we do not need to unlock cam_lock here before return |
| * because for open, it's done within intf_lock */ |
| return rc; |
| |
| on_error: |
| if (NULL == my_obj) { |
| CDBG_ERROR("%s: Invalid camera object\n", __func__); |
| rc = -1; |
| } else { |
| if (my_obj->ctrl_fd > 0) { |
| close(my_obj->ctrl_fd); |
| my_obj->ctrl_fd = 0; |
| } |
| if (my_obj->ds_fd > 0) { |
| mm_camera_socket_close(my_obj->ds_fd); |
| my_obj->ds_fd = 0; |
| } |
| } |
| |
| /* we do not need to unlock cam_lock here before return |
| * because for open, it's done within intf_lock */ |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_close |
| * |
| * DESCRIPTION: enqueue received event into event queue to be processed by |
| * event thread. |
| * |
| * PARAMETERS : |
| * @my_obj : ptr to a camera object |
| * @event : event to be queued |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| *==========================================================================*/ |
| int32_t mm_camera_close(mm_camera_obj_t *my_obj) |
| { |
| CDBG("%s : unsubscribe evt", __func__); |
| mm_camera_evt_sub(my_obj, FALSE); |
| |
| CDBG("%s : Close evt Poll Thread in Cam Close",__func__); |
| mm_camera_poll_thread_release(&my_obj->evt_poll_thread); |
| |
| CDBG("%s : Close evt cmd Thread in Cam Close",__func__); |
| mm_camera_cmd_thread_release(&my_obj->evt_thread); |
| |
| if(my_obj->ctrl_fd > 0) { |
| close(my_obj->ctrl_fd); |
| my_obj->ctrl_fd = 0; |
| } |
| if(my_obj->ds_fd > 0) { |
| mm_camera_socket_close(my_obj->ds_fd); |
| my_obj->ds_fd = 0; |
| } |
| pthread_mutex_destroy(&my_obj->msg_lock); |
| |
| pthread_mutex_destroy(&my_obj->cb_lock); |
| pthread_mutex_destroy(&my_obj->evt_lock); |
| pthread_cond_destroy(&my_obj->evt_cond); |
| |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| return 0; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_register_event_notify_internal |
| * |
| * DESCRIPTION: internal implementation for registering callback for event notify. |
| * |
| * PARAMETERS : |
| * @my_obj : ptr to a camera object |
| * @evt_cb : callback to be registered to handle event notify |
| * @user_data: user data ptr |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| *==========================================================================*/ |
| int32_t mm_camera_register_event_notify_internal(mm_camera_obj_t *my_obj, |
| mm_camera_event_notify_t evt_cb, |
| void * user_data) |
| { |
| int i; |
| int rc = -1; |
| mm_camera_evt_obj_t *evt_array = NULL; |
| |
| pthread_mutex_lock(&my_obj->cb_lock); |
| evt_array = &my_obj->evt; |
| if(evt_cb) { |
| /* this is reg case */ |
| for(i = 0; i < MM_CAMERA_EVT_ENTRY_MAX; i++) { |
| if(evt_array->evt[i].user_data == NULL) { |
| evt_array->evt[i].evt_cb = evt_cb; |
| evt_array->evt[i].user_data = user_data; |
| evt_array->reg_count++; |
| rc = 0; |
| break; |
| } |
| } |
| } else { |
| /* this is unreg case */ |
| for(i = 0; i < MM_CAMERA_EVT_ENTRY_MAX; i++) { |
| if(evt_array->evt[i].user_data == user_data) { |
| evt_array->evt[i].evt_cb = NULL; |
| evt_array->evt[i].user_data = NULL; |
| evt_array->reg_count--; |
| rc = 0; |
| break; |
| } |
| } |
| } |
| |
| pthread_mutex_unlock(&my_obj->cb_lock); |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_register_event_notify |
| * |
| * DESCRIPTION: registering a callback for event notify. |
| * |
| * PARAMETERS : |
| * @my_obj : ptr to a camera object |
| * @evt_cb : callback to be registered to handle event notify |
| * @user_data: user data ptr |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| *==========================================================================*/ |
| int32_t mm_camera_register_event_notify(mm_camera_obj_t *my_obj, |
| mm_camera_event_notify_t evt_cb, |
| void * user_data) |
| { |
| int rc = -1; |
| rc = mm_camera_register_event_notify_internal(my_obj, |
| evt_cb, |
| user_data); |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_qbuf |
| * |
| * DESCRIPTION: enqueue buffer back to kernel |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * @ch_id : channel handle |
| * @buf : buf ptr to be enqueued |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| *==========================================================================*/ |
| int32_t mm_camera_qbuf(mm_camera_obj_t *my_obj, |
| uint32_t ch_id, |
| mm_camera_buf_def_t *buf) |
| { |
| int rc = -1; |
| mm_channel_t * ch_obj = NULL; |
| ch_obj = mm_camera_util_get_channel_by_handler(my_obj, ch_id); |
| |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| |
| /* we always assume qbuf will be done before channel/stream is fully stopped |
| * because qbuf is done within dataCB context |
| * in order to avoid deadlock, we are not locking ch_lock for qbuf */ |
| if (NULL != ch_obj) { |
| rc = mm_channel_qbuf(ch_obj, buf); |
| } |
| |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_query_capability |
| * |
| * DESCRIPTION: query camera capability |
| * |
| * PARAMETERS : |
| * @my_obj: camera object |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| *==========================================================================*/ |
| int32_t mm_camera_query_capability(mm_camera_obj_t *my_obj) |
| { |
| int32_t rc = 0; |
| struct v4l2_capability cap; |
| |
| /* get camera capabilities */ |
| memset(&cap, 0, sizeof(cap)); |
| rc = ioctl(my_obj->ctrl_fd, VIDIOC_QUERYCAP, &cap); |
| if (rc != 0) { |
| CDBG_ERROR("%s: cannot get camera capabilities, rc = %d\n", __func__, rc); |
| } |
| |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| return rc; |
| |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_set_parms |
| * |
| * DESCRIPTION: set parameters per camera |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * @parms : ptr to a param struct to be set to server |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| * NOTE : Assume the parms struct buf is already mapped to server via |
| * domain socket. Corresponding fields of parameters to be set |
| * are already filled in by upper layer caller. |
| *==========================================================================*/ |
| int32_t mm_camera_set_parms(mm_camera_obj_t *my_obj, |
| parm_buffer_t *parms) |
| { |
| int32_t rc = -1; |
| int32_t value = 0; |
| if (parms != NULL) { |
| rc = mm_camera_util_s_ctrl(my_obj->ctrl_fd, CAM_PRIV_PARM, &value); |
| } |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_get_parms |
| * |
| * DESCRIPTION: get parameters per camera |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * @parms : ptr to a param struct to be get from server |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| * NOTE : Assume the parms struct buf is already mapped to server via |
| * domain socket. Parameters to be get from server are already |
| * filled in by upper layer caller. After this call, corresponding |
| * fields of requested parameters will be filled in by server with |
| * detailed information. |
| *==========================================================================*/ |
| int32_t mm_camera_get_parms(mm_camera_obj_t *my_obj, |
| parm_buffer_t *parms) |
| { |
| int32_t rc = -1; |
| int32_t value = 0; |
| if (parms != NULL) { |
| rc = mm_camera_util_g_ctrl(my_obj->ctrl_fd, CAM_PRIV_PARM, &value); |
| } |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_do_auto_focus |
| * |
| * DESCRIPTION: performing auto focus |
| * |
| * PARAMETERS : |
| * @camera_handle: camera handle |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| * NOTE : if this call success, we will always assume there will |
| * be an auto_focus event following up. |
| *==========================================================================*/ |
| int32_t mm_camera_do_auto_focus(mm_camera_obj_t *my_obj) |
| { |
| int32_t rc = -1; |
| int32_t value = 0; |
| rc = mm_camera_util_s_ctrl(my_obj->ctrl_fd, CAM_PRIV_DO_AUTO_FOCUS, &value); |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_cancel_auto_focus |
| * |
| * DESCRIPTION: cancel auto focus |
| * |
| * PARAMETERS : |
| * @camera_handle: camera handle |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| *==========================================================================*/ |
| int32_t mm_camera_cancel_auto_focus(mm_camera_obj_t *my_obj) |
| { |
| int32_t rc = -1; |
| int32_t value = 0; |
| rc = mm_camera_util_s_ctrl(my_obj->ctrl_fd, CAM_PRIV_CANCEL_AUTO_FOCUS, &value); |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_prepare_snapshot |
| * |
| * DESCRIPTION: prepare hardware for snapshot |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * @do_af_flag : flag indicating if AF is needed |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| *==========================================================================*/ |
| int32_t mm_camera_prepare_snapshot(mm_camera_obj_t *my_obj, |
| int32_t do_af_flag) |
| { |
| int32_t rc = -1; |
| int32_t value = do_af_flag; |
| rc = mm_camera_util_s_ctrl(my_obj->ctrl_fd, CAM_PRIV_PREPARE_SNAPSHOT, &value); |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_start_zsl_snapshot |
| * |
| * DESCRIPTION: start zsl snapshot |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| *==========================================================================*/ |
| int32_t mm_camera_start_zsl_snapshot(mm_camera_obj_t *my_obj) |
| { |
| int32_t rc = -1; |
| int32_t value = 0; |
| |
| rc = mm_camera_util_s_ctrl(my_obj->ctrl_fd, |
| CAM_PRIV_START_ZSL_SNAPSHOT, &value); |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_stop_zsl_snapshot |
| * |
| * DESCRIPTION: stop zsl capture |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| *==========================================================================*/ |
| int32_t mm_camera_stop_zsl_snapshot(mm_camera_obj_t *my_obj) |
| { |
| int32_t rc = -1; |
| int32_t value; |
| rc = mm_camera_util_s_ctrl(my_obj->ctrl_fd, |
| CAM_PRIV_STOP_ZSL_SNAPSHOT, &value); |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_add_channel |
| * |
| * DESCRIPTION: add a channel |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * @attr : bundle attribute of the channel if needed |
| * @channel_cb : callback function for bundle data notify |
| * @userdata : user data ptr |
| * |
| * RETURN : uint32_t type of channel handle |
| * 0 -- invalid channel handle, meaning the op failed |
| * >0 -- successfully added a channel with a valid handle |
| * NOTE : if no bundle data notify is needed, meaning each stream in the |
| * channel will have its own stream data notify callback, then |
| * attr, channel_cb, and userdata can be NULL. In this case, |
| * no matching logic will be performed in channel for the bundling. |
| *==========================================================================*/ |
| uint32_t mm_camera_add_channel(mm_camera_obj_t *my_obj, |
| mm_camera_channel_attr_t *attr, |
| mm_camera_buf_notify_t channel_cb, |
| void *userdata) |
| { |
| mm_channel_t *ch_obj = NULL; |
| uint8_t ch_idx = 0; |
| uint32_t ch_hdl = 0; |
| |
| for(ch_idx = 0; ch_idx < MM_CAMERA_CHANNEL_MAX; ch_idx++) { |
| if (MM_CHANNEL_STATE_NOTUSED == my_obj->ch[ch_idx].state) { |
| ch_obj = &my_obj->ch[ch_idx]; |
| break; |
| } |
| } |
| |
| if (NULL != ch_obj) { |
| /* initialize channel obj */ |
| memset(ch_obj, 0, sizeof(mm_channel_t)); |
| ch_hdl = mm_camera_util_generate_handler(ch_idx); |
| ch_obj->my_hdl = ch_hdl; |
| ch_obj->state = MM_CHANNEL_STATE_STOPPED; |
| ch_obj->cam_obj = my_obj; |
| pthread_mutex_init(&ch_obj->ch_lock, NULL); |
| mm_channel_init(ch_obj, attr, channel_cb, userdata); |
| } |
| |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| |
| return ch_hdl; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_del_channel |
| * |
| * DESCRIPTION: delete a channel by its handle |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * @ch_id : channel handle |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| * NOTE : all streams in the channel should be stopped already before |
| * this channel can be deleted. |
| *==========================================================================*/ |
| int32_t mm_camera_del_channel(mm_camera_obj_t *my_obj, |
| uint32_t ch_id) |
| { |
| int32_t rc = -1; |
| mm_channel_t * ch_obj = |
| mm_camera_util_get_channel_by_handler(my_obj, ch_id); |
| |
| if (NULL != ch_obj) { |
| pthread_mutex_lock(&ch_obj->ch_lock); |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| |
| rc = mm_channel_fsm_fn(ch_obj, |
| MM_CHANNEL_EVT_DELETE, |
| NULL, |
| NULL); |
| |
| pthread_mutex_destroy(&ch_obj->ch_lock); |
| memset(ch_obj, 0, sizeof(mm_channel_t)); |
| } else { |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| } |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_get_bundle_info |
| * |
| * DESCRIPTION: query bundle info of the channel |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * @ch_id : channel handle |
| * @bundle_info : bundle info to be filled in |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| * NOTE : all streams in the channel should be stopped already before |
| * this channel can be deleted. |
| *==========================================================================*/ |
| int32_t mm_camera_get_bundle_info(mm_camera_obj_t *my_obj, |
| uint32_t ch_id, |
| cam_bundle_config_t *bundle_info) |
| { |
| int32_t rc = -1; |
| mm_channel_t * ch_obj = |
| mm_camera_util_get_channel_by_handler(my_obj, ch_id); |
| |
| if (NULL != ch_obj) { |
| pthread_mutex_lock(&ch_obj->ch_lock); |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| |
| rc = mm_channel_fsm_fn(ch_obj, |
| MM_CHANNEL_EVT_GET_BUNDLE_INFO, |
| (void *)bundle_info, |
| NULL); |
| } else { |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| } |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_add_stream |
| * |
| * DESCRIPTION: add a stream into a channel |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * @ch_id : channel handle |
| * |
| * RETURN : uint32_t type of stream handle |
| * 0 -- invalid stream handle, meaning the op failed |
| * >0 -- successfully added a stream with a valid handle |
| *==========================================================================*/ |
| uint32_t mm_camera_add_stream(mm_camera_obj_t *my_obj, |
| uint32_t ch_id) |
| { |
| uint32_t s_hdl = 0; |
| mm_channel_t * ch_obj = |
| mm_camera_util_get_channel_by_handler(my_obj, ch_id); |
| |
| if (NULL != ch_obj) { |
| pthread_mutex_lock(&ch_obj->ch_lock); |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| |
| mm_channel_fsm_fn(ch_obj, |
| MM_CHANNEL_EVT_ADD_STREAM, |
| NULL, |
| (void*)&s_hdl); |
| } else { |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| } |
| |
| return s_hdl; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_del_stream |
| * |
| * DESCRIPTION: delete a stream by its handle |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * @ch_id : channel handle |
| * @stream_id : stream handle |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| * NOTE : stream should be stopped already before it can be deleted. |
| *==========================================================================*/ |
| int32_t mm_camera_del_stream(mm_camera_obj_t *my_obj, |
| uint32_t ch_id, |
| uint32_t stream_id) |
| { |
| int32_t rc = -1; |
| mm_channel_t * ch_obj = |
| mm_camera_util_get_channel_by_handler(my_obj, ch_id); |
| |
| if (NULL != ch_obj) { |
| pthread_mutex_lock(&ch_obj->ch_lock); |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| |
| rc = mm_channel_fsm_fn(ch_obj, |
| MM_CHANNEL_EVT_DEL_STREAM, |
| (void*)stream_id, |
| NULL); |
| } else { |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| } |
| |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_start_zsl_snapshot_ch |
| * |
| * DESCRIPTION: starts zsl snapshot for specific channel |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * @ch_id : channel handle |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| *==========================================================================*/ |
| int32_t mm_camera_start_zsl_snapshot_ch(mm_camera_obj_t *my_obj, |
| uint32_t ch_id) |
| { |
| int32_t rc = -1; |
| mm_channel_t * ch_obj = |
| mm_camera_util_get_channel_by_handler(my_obj, ch_id); |
| |
| if (NULL != ch_obj) { |
| pthread_mutex_lock(&ch_obj->ch_lock); |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| |
| rc = mm_channel_fsm_fn(ch_obj, |
| MM_CHANNEL_EVT_START_ZSL_SNAPSHOT, |
| NULL, |
| NULL); |
| } else { |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| } |
| |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_stop_zsl_snapshot_ch |
| * |
| * DESCRIPTION: stops zsl snapshot for specific channel |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * @ch_id : channel handle |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| *==========================================================================*/ |
| int32_t mm_camera_stop_zsl_snapshot_ch(mm_camera_obj_t *my_obj, |
| uint32_t ch_id) |
| { |
| int32_t rc = -1; |
| mm_channel_t * ch_obj = |
| mm_camera_util_get_channel_by_handler(my_obj, ch_id); |
| |
| if (NULL != ch_obj) { |
| pthread_mutex_lock(&ch_obj->ch_lock); |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| |
| rc = mm_channel_fsm_fn(ch_obj, |
| MM_CHANNEL_EVT_STOP_ZSL_SNAPSHOT, |
| NULL, |
| NULL); |
| } else { |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| } |
| |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_config_stream |
| * |
| * DESCRIPTION: configure a stream |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * @ch_id : channel handle |
| * @stream_id : stream handle |
| * @config : stream configuration |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| *==========================================================================*/ |
| int32_t mm_camera_config_stream(mm_camera_obj_t *my_obj, |
| uint32_t ch_id, |
| uint32_t stream_id, |
| mm_camera_stream_config_t *config) |
| { |
| int32_t rc = -1; |
| mm_channel_t * ch_obj = |
| mm_camera_util_get_channel_by_handler(my_obj, ch_id); |
| mm_evt_paylod_config_stream_t payload; |
| |
| if (NULL != ch_obj) { |
| pthread_mutex_lock(&ch_obj->ch_lock); |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| |
| memset(&payload, 0, sizeof(mm_evt_paylod_config_stream_t)); |
| payload.stream_id = stream_id; |
| payload.config = config; |
| rc = mm_channel_fsm_fn(ch_obj, |
| MM_CHANNEL_EVT_CONFIG_STREAM, |
| (void*)&payload, |
| NULL); |
| } else { |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| } |
| |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_start_channel |
| * |
| * DESCRIPTION: start a channel, which will start all streams in the channel |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * @ch_id : channel handle |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| *==========================================================================*/ |
| int32_t mm_camera_start_channel(mm_camera_obj_t *my_obj, |
| uint32_t ch_id) |
| { |
| int32_t rc = -1; |
| mm_channel_t * ch_obj = |
| mm_camera_util_get_channel_by_handler(my_obj, ch_id); |
| |
| if (NULL != ch_obj) { |
| pthread_mutex_lock(&ch_obj->ch_lock); |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| |
| rc = mm_channel_fsm_fn(ch_obj, |
| MM_CHANNEL_EVT_START, |
| NULL, |
| NULL); |
| } else { |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| } |
| |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_stop_channel |
| * |
| * DESCRIPTION: stop a channel, which will stop all streams in the channel |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * @ch_id : channel handle |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| *==========================================================================*/ |
| int32_t mm_camera_stop_channel(mm_camera_obj_t *my_obj, |
| uint32_t ch_id) |
| { |
| int32_t rc = 0; |
| mm_channel_t * ch_obj = |
| mm_camera_util_get_channel_by_handler(my_obj, ch_id); |
| |
| if (NULL != ch_obj) { |
| pthread_mutex_lock(&ch_obj->ch_lock); |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| |
| rc = mm_channel_fsm_fn(ch_obj, |
| MM_CHANNEL_EVT_STOP, |
| NULL, |
| NULL); |
| } else { |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| } |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_request_super_buf |
| * |
| * DESCRIPTION: for burst mode in bundle, reuqest certain amount of matched |
| * frames from superbuf queue |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * @ch_id : channel handle |
| * @num_buf_requested : number of matched frames needed |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| *==========================================================================*/ |
| int32_t mm_camera_request_super_buf(mm_camera_obj_t *my_obj, |
| uint32_t ch_id, |
| uint32_t num_buf_requested, |
| uint32_t num_retro_buf_requested) |
| { |
| int32_t rc = -1; |
| mm_channel_t * ch_obj = |
| mm_camera_util_get_channel_by_handler(my_obj, ch_id); |
| |
| if (NULL != ch_obj) { |
| pthread_mutex_lock(&ch_obj->ch_lock); |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| |
| rc = mm_channel_fsm_fn(ch_obj, |
| MM_CHANNEL_EVT_REQUEST_SUPER_BUF, |
| (void*)num_buf_requested, |
| (void*)num_retro_buf_requested); |
| } else { |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| } |
| |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_cancel_super_buf_request |
| * |
| * DESCRIPTION: for burst mode in bundle, cancel the reuqest for certain amount |
| * of matched frames from superbuf queue |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * @ch_id : channel handle |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| *==========================================================================*/ |
| int32_t mm_camera_cancel_super_buf_request(mm_camera_obj_t *my_obj, uint32_t ch_id) |
| { |
| int32_t rc = -1; |
| mm_channel_t * ch_obj = |
| mm_camera_util_get_channel_by_handler(my_obj, ch_id); |
| |
| if (NULL != ch_obj) { |
| pthread_mutex_lock(&ch_obj->ch_lock); |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| |
| rc = mm_channel_fsm_fn(ch_obj, |
| MM_CHANNEL_EVT_CANCEL_REQUEST_SUPER_BUF, |
| NULL, |
| NULL); |
| } else { |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| } |
| |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_flush_super_buf_queue |
| * |
| * DESCRIPTION: flush out all frames in the superbuf queue |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * @ch_id : channel handle |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| *==========================================================================*/ |
| int32_t mm_camera_flush_super_buf_queue(mm_camera_obj_t *my_obj, uint32_t ch_id, |
| uint32_t frame_idx) |
| { |
| int32_t rc = -1; |
| mm_channel_t * ch_obj = |
| mm_camera_util_get_channel_by_handler(my_obj, ch_id); |
| |
| if (NULL != ch_obj) { |
| pthread_mutex_lock(&ch_obj->ch_lock); |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| |
| rc = mm_channel_fsm_fn(ch_obj, |
| MM_CHANNEL_EVT_FLUSH_SUPER_BUF_QUEUE, |
| (void *)frame_idx, |
| NULL); |
| } else { |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| } |
| |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_config_channel_notify |
| * |
| * DESCRIPTION: configures the channel notification mode |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * @ch_id : channel handle |
| * @notify_mode : notification mode |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| *==========================================================================*/ |
| int32_t mm_camera_config_channel_notify(mm_camera_obj_t *my_obj, |
| uint32_t ch_id, |
| mm_camera_super_buf_notify_mode_t notify_mode) |
| { |
| int32_t rc = -1; |
| mm_channel_t * ch_obj = |
| mm_camera_util_get_channel_by_handler(my_obj, ch_id); |
| |
| if (NULL != ch_obj) { |
| pthread_mutex_lock(&ch_obj->ch_lock); |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| |
| rc = mm_channel_fsm_fn(ch_obj, |
| MM_CHANNEL_EVT_CONFIG_NOTIFY_MODE, |
| (void *)notify_mode, |
| NULL); |
| } else { |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| } |
| |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_set_stream_parms |
| * |
| * DESCRIPTION: set parameters per stream |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * @ch_id : channel handle |
| * @s_id : stream handle |
| * @parms : ptr to a param struct to be set to server |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| * NOTE : Assume the parms struct buf is already mapped to server via |
| * domain socket. Corresponding fields of parameters to be set |
| * are already filled in by upper layer caller. |
| *==========================================================================*/ |
| int32_t mm_camera_set_stream_parms(mm_camera_obj_t *my_obj, |
| uint32_t ch_id, |
| uint32_t s_id, |
| cam_stream_parm_buffer_t *parms) |
| { |
| int32_t rc = -1; |
| mm_evt_paylod_set_get_stream_parms_t payload; |
| mm_channel_t * ch_obj = |
| mm_camera_util_get_channel_by_handler(my_obj, ch_id); |
| |
| if (NULL != ch_obj) { |
| pthread_mutex_lock(&ch_obj->ch_lock); |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| |
| memset(&payload, 0, sizeof(payload)); |
| payload.stream_id = s_id; |
| payload.parms = parms; |
| |
| rc = mm_channel_fsm_fn(ch_obj, |
| MM_CHANNEL_EVT_SET_STREAM_PARM, |
| (void *)&payload, |
| NULL); |
| } else { |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| } |
| |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_get_stream_parms |
| * |
| * DESCRIPTION: get parameters per stream |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * @ch_id : channel handle |
| * @s_id : stream handle |
| * @parms : ptr to a param struct to be get from server |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| * NOTE : Assume the parms struct buf is already mapped to server via |
| * domain socket. Parameters to be get from server are already |
| * filled in by upper layer caller. After this call, corresponding |
| * fields of requested parameters will be filled in by server with |
| * detailed information. |
| *==========================================================================*/ |
| int32_t mm_camera_get_stream_parms(mm_camera_obj_t *my_obj, |
| uint32_t ch_id, |
| uint32_t s_id, |
| cam_stream_parm_buffer_t *parms) |
| { |
| int32_t rc = -1; |
| mm_evt_paylod_set_get_stream_parms_t payload; |
| mm_channel_t * ch_obj = |
| mm_camera_util_get_channel_by_handler(my_obj, ch_id); |
| |
| if (NULL != ch_obj) { |
| pthread_mutex_lock(&ch_obj->ch_lock); |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| |
| memset(&payload, 0, sizeof(payload)); |
| payload.stream_id = s_id; |
| payload.parms = parms; |
| |
| rc = mm_channel_fsm_fn(ch_obj, |
| MM_CHANNEL_EVT_GET_STREAM_PARM, |
| (void *)&payload, |
| NULL); |
| } else { |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| } |
| |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_do_stream_action |
| * |
| * DESCRIPTION: request server to perform stream based action. Maybe removed later |
| * if the functionality is included in mm_camera_set_parms |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * @ch_id : channel handle |
| * @s_id : stream handle |
| * @actions : ptr to an action struct buf to be performed by server |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| * NOTE : Assume the action struct buf is already mapped to server via |
| * domain socket. Actions to be performed by server are already |
| * filled in by upper layer caller. |
| *==========================================================================*/ |
| int32_t mm_camera_do_stream_action(mm_camera_obj_t *my_obj, |
| uint32_t ch_id, |
| uint32_t stream_id, |
| void *actions) |
| { |
| int32_t rc = -1; |
| mm_evt_paylod_do_stream_action_t payload; |
| mm_channel_t * ch_obj = |
| mm_camera_util_get_channel_by_handler(my_obj, ch_id); |
| |
| if (NULL != ch_obj) { |
| pthread_mutex_lock(&ch_obj->ch_lock); |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| |
| memset(&payload, 0, sizeof(payload)); |
| payload.stream_id = stream_id; |
| payload.actions = actions; |
| |
| rc = mm_channel_fsm_fn(ch_obj, |
| MM_CHANNEL_EVT_DO_STREAM_ACTION, |
| (void*)&payload, |
| NULL); |
| } else { |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| } |
| |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_map_stream_buf |
| * |
| * DESCRIPTION: mapping stream buffer via domain socket to server |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * @ch_id : channel handle |
| * @s_id : stream handle |
| * @buf_type : type of buffer to be mapped. could be following values: |
| * CAM_MAPPING_BUF_TYPE_STREAM_BUF |
| * CAM_MAPPING_BUF_TYPE_STREAM_INFO |
| * CAM_MAPPING_BUF_TYPE_OFFLINE_INPUT_BUF |
| * @buf_idx : index of buffer within the stream buffers, only valid if |
| * buf_type is CAM_MAPPING_BUF_TYPE_STREAM_BUF or |
| * CAM_MAPPING_BUF_TYPE_OFFLINE_INPUT_BUF |
| * @plane_idx : plane index. If all planes share the same fd, |
| * plane_idx = -1; otherwise, plean_idx is the |
| * index to plane (0..num_of_planes) |
| * @fd : file descriptor of the buffer |
| * @size : size of the buffer |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| *==========================================================================*/ |
| int32_t mm_camera_map_stream_buf(mm_camera_obj_t *my_obj, |
| uint32_t ch_id, |
| uint32_t stream_id, |
| uint8_t buf_type, |
| uint32_t buf_idx, |
| int32_t plane_idx, |
| int fd, |
| uint32_t size) |
| { |
| int32_t rc = -1; |
| mm_evt_paylod_map_stream_buf_t payload; |
| mm_channel_t * ch_obj = |
| mm_camera_util_get_channel_by_handler(my_obj, ch_id); |
| |
| if (NULL != ch_obj) { |
| pthread_mutex_lock(&ch_obj->ch_lock); |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| |
| memset(&payload, 0, sizeof(payload)); |
| payload.stream_id = stream_id; |
| payload.buf_type = buf_type; |
| payload.buf_idx = buf_idx; |
| payload.plane_idx = plane_idx; |
| payload.fd = fd; |
| payload.size = size; |
| rc = mm_channel_fsm_fn(ch_obj, |
| MM_CHANNEL_EVT_MAP_STREAM_BUF, |
| (void*)&payload, |
| NULL); |
| } else { |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| } |
| |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_unmap_stream_buf |
| * |
| * DESCRIPTION: unmapping stream buffer via domain socket to server |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * @ch_id : channel handle |
| * @s_id : stream handle |
| * @buf_type : type of buffer to be mapped. could be following values: |
| * CAM_MAPPING_BUF_TYPE_STREAM_BUF |
| * CAM_MAPPING_BUF_TYPE_STREAM_INFO |
| * CAM_MAPPING_BUF_TYPE_OFFLINE_INPUT_BUF |
| * @buf_idx : index of buffer within the stream buffers, only valid if |
| * buf_type is CAM_MAPPING_BUF_TYPE_STREAM_BUF or |
| * CAM_MAPPING_BUF_TYPE_OFFLINE_INPUT_BUF |
| * @plane_idx : plane index. If all planes share the same fd, |
| * plane_idx = -1; otherwise, plean_idx is the |
| * index to plane (0..num_of_planes) |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| *==========================================================================*/ |
| int32_t mm_camera_unmap_stream_buf(mm_camera_obj_t *my_obj, |
| uint32_t ch_id, |
| uint32_t stream_id, |
| uint8_t buf_type, |
| uint32_t buf_idx, |
| int32_t plane_idx) |
| { |
| int32_t rc = -1; |
| mm_evt_paylod_unmap_stream_buf_t payload; |
| mm_channel_t * ch_obj = |
| mm_camera_util_get_channel_by_handler(my_obj, ch_id); |
| |
| if (NULL != ch_obj) { |
| pthread_mutex_lock(&ch_obj->ch_lock); |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| |
| memset(&payload, 0, sizeof(payload)); |
| payload.stream_id = stream_id; |
| payload.buf_type = buf_type; |
| payload.buf_idx = buf_idx; |
| payload.plane_idx = plane_idx; |
| rc = mm_channel_fsm_fn(ch_obj, |
| MM_CHANNEL_EVT_UNMAP_STREAM_BUF, |
| (void*)&payload, |
| NULL); |
| } else { |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| } |
| |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_evt_sub |
| * |
| * DESCRIPTION: subscribe/unsubscribe event notify from kernel |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * @reg_flag : 1 -- subscribe ; 0 -- unsubscribe |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| *==========================================================================*/ |
| int32_t mm_camera_evt_sub(mm_camera_obj_t * my_obj, |
| uint8_t reg_flag) |
| { |
| int32_t rc = 0; |
| struct v4l2_event_subscription sub; |
| |
| memset(&sub, 0, sizeof(sub)); |
| sub.type = MSM_CAMERA_V4L2_EVENT_TYPE; |
| sub.id = MSM_CAMERA_MSM_NOTIFY; |
| if(FALSE == reg_flag) { |
| /* unsubscribe */ |
| rc = ioctl(my_obj->ctrl_fd, VIDIOC_UNSUBSCRIBE_EVENT, &sub); |
| if (rc < 0) { |
| CDBG_ERROR("%s: unsubscribe event rc = %d", __func__, rc); |
| return rc; |
| } |
| /* remove evt fd from the polling thraed when unreg the last event */ |
| rc = mm_camera_poll_thread_del_poll_fd(&my_obj->evt_poll_thread, |
| my_obj->my_hdl, |
| mm_camera_sync_call); |
| } else { |
| rc = ioctl(my_obj->ctrl_fd, VIDIOC_SUBSCRIBE_EVENT, &sub); |
| if (rc < 0) { |
| CDBG_ERROR("%s: subscribe event rc = %d", __func__, rc); |
| return rc; |
| } |
| /* add evt fd to polling thread when subscribe the first event */ |
| rc = mm_camera_poll_thread_add_poll_fd(&my_obj->evt_poll_thread, |
| my_obj->my_hdl, |
| my_obj->ctrl_fd, |
| mm_camera_event_notify, |
| (void*)my_obj, |
| mm_camera_sync_call); |
| } |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_util_wait_for_event |
| * |
| * DESCRIPTION: utility function to wait for certain events |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * @evt_mask : mask for events to be waited. Any of event in the mask would |
| * trigger the wait to end |
| * @status : status of the event |
| * |
| * RETURN : none |
| *==========================================================================*/ |
| void mm_camera_util_wait_for_event(mm_camera_obj_t *my_obj, |
| uint32_t evt_mask, |
| int32_t *status) |
| { |
| pthread_mutex_lock(&my_obj->evt_lock); |
| while (!(my_obj->evt_rcvd.server_event_type & evt_mask)) { |
| pthread_cond_wait(&my_obj->evt_cond, &my_obj->evt_lock); |
| } |
| *status = my_obj->evt_rcvd.status; |
| /* reset local storage for recieved event for next event */ |
| memset(&my_obj->evt_rcvd, 0, sizeof(mm_camera_event_t)); |
| pthread_mutex_unlock(&my_obj->evt_lock); |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_util_sendmsg |
| * |
| * DESCRIPTION: utility function to send msg via domain socket |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * @msg : message to be sent |
| * @buf_size : size of the message to be sent |
| * @sendfd : >0 if any file descriptor need to be passed across process |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| *==========================================================================*/ |
| int32_t mm_camera_util_sendmsg(mm_camera_obj_t *my_obj, |
| void *msg, |
| uint32_t buf_size, |
| int sendfd) |
| { |
| int32_t rc = -1; |
| int32_t status; |
| |
| /* need to lock msg_lock, since sendmsg until reposonse back is deemed as one operation*/ |
| pthread_mutex_lock(&my_obj->msg_lock); |
| if(mm_camera_socket_sendmsg(my_obj->ds_fd, msg, buf_size, sendfd) > 0) { |
| /* wait for event that mapping/unmapping is done */ |
| mm_camera_util_wait_for_event(my_obj, CAM_EVENT_TYPE_MAP_UNMAP_DONE, &status); |
| if (MSM_CAMERA_STATUS_SUCCESS == status) { |
| rc = 0; |
| } |
| } |
| pthread_mutex_unlock(&my_obj->msg_lock); |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_map_buf |
| * |
| * DESCRIPTION: mapping camera buffer via domain socket to server |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * @buf_type : type of buffer to be mapped. could be following values: |
| * CAM_MAPPING_BUF_TYPE_CAPABILITY |
| * CAM_MAPPING_BUF_TYPE_SETPARM_BUF |
| * CAM_MAPPING_BUF_TYPE_GETPARM_BUF |
| * @fd : file descriptor of the buffer |
| * @size : size of the buffer |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| *==========================================================================*/ |
| int32_t mm_camera_map_buf(mm_camera_obj_t *my_obj, |
| uint8_t buf_type, |
| int fd, |
| uint32_t size) |
| { |
| int32_t rc = 0; |
| cam_sock_packet_t packet; |
| memset(&packet, 0, sizeof(cam_sock_packet_t)); |
| packet.msg_type = CAM_MAPPING_TYPE_FD_MAPPING; |
| packet.payload.buf_map.type = buf_type; |
| packet.payload.buf_map.fd = fd; |
| packet.payload.buf_map.size = size; |
| rc = mm_camera_util_sendmsg(my_obj, |
| &packet, |
| sizeof(cam_sock_packet_t), |
| fd); |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_unmap_buf |
| * |
| * DESCRIPTION: unmapping camera buffer via domain socket to server |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * @buf_type : type of buffer to be mapped. could be following values: |
| * CAM_MAPPING_BUF_TYPE_CAPABILITY |
| * CAM_MAPPING_BUF_TYPE_SETPARM_BUF |
| * CAM_MAPPING_BUF_TYPE_GETPARM_BUF |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| *==========================================================================*/ |
| int32_t mm_camera_unmap_buf(mm_camera_obj_t *my_obj, |
| uint8_t buf_type) |
| { |
| int32_t rc = 0; |
| cam_sock_packet_t packet; |
| memset(&packet, 0, sizeof(cam_sock_packet_t)); |
| packet.msg_type = CAM_MAPPING_TYPE_FD_UNMAPPING; |
| packet.payload.buf_unmap.type = buf_type; |
| rc = mm_camera_util_sendmsg(my_obj, |
| &packet, |
| sizeof(cam_sock_packet_t), |
| 0); |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| return rc; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_util_s_ctrl |
| * |
| * DESCRIPTION: utility function to send v4l2 ioctl for s_ctrl |
| * |
| * PARAMETERS : |
| * @fd : file descritpor for sending ioctl |
| * @id : control id |
| * @value : value of the ioctl to be sent |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| *==========================================================================*/ |
| int32_t mm_camera_util_s_ctrl(int32_t fd, uint32_t id, int32_t *value) |
| { |
| int rc = 0; |
| struct v4l2_control control; |
| |
| memset(&control, 0, sizeof(control)); |
| control.id = id; |
| if (value != NULL) { |
| control.value = *value; |
| } |
| rc = ioctl(fd, VIDIOC_S_CTRL, &control); |
| |
| CDBG("%s: fd=%d, S_CTRL, id=0x%x, value = 0x%x, rc = %d\n", |
| __func__, fd, id, (uint32_t)value, rc); |
| if (value != NULL) { |
| *value = control.value; |
| } |
| return (rc >= 0)? 0 : -1; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_util_g_ctrl |
| * |
| * DESCRIPTION: utility function to send v4l2 ioctl for g_ctrl |
| * |
| * PARAMETERS : |
| * @fd : file descritpor for sending ioctl |
| * @id : control id |
| * @value : value of the ioctl to be sent |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| *==========================================================================*/ |
| int32_t mm_camera_util_g_ctrl( int32_t fd, uint32_t id, int32_t *value) |
| { |
| int rc = 0; |
| struct v4l2_control control; |
| |
| memset(&control, 0, sizeof(control)); |
| control.id = id; |
| if (value != NULL) { |
| control.value = *value; |
| } |
| rc = ioctl(fd, VIDIOC_G_CTRL, &control); |
| CDBG("%s: fd=%d, G_CTRL, id=0x%x, rc = %d\n", __func__, fd, id, rc); |
| if (value != NULL) { |
| *value = control.value; |
| } |
| return (rc >= 0)? 0 : -1; |
| } |
| |
| /*=========================================================================== |
| * FUNCTION : mm_camera_channel_advanced_capture |
| * |
| * DESCRIPTION: sets the channel advanced capture |
| * |
| * PARAMETERS : |
| * @my_obj : camera object |
| * @advanced_capture_type : advanced capture type. |
| * @ch_id : channel handle |
| * @start_flag : flag to indicate start/stop |
| * |
| * RETURN : int32_t type of status |
| * 0 -- success |
| * -1 -- failure |
| *==========================================================================*/ |
| int32_t mm_camera_channel_advanced_capture(mm_camera_obj_t *my_obj, |
| mm_camera_advanced_capture_t advanced_capture_type, |
| uint32_t ch_id, |
| int32_t start_flag) |
| { |
| CDBG("%s: E",__func__); |
| int32_t rc = -1; |
| mm_channel_t * ch_obj = |
| mm_camera_util_get_channel_by_handler(my_obj, ch_id); |
| |
| if (NULL != ch_obj) { |
| pthread_mutex_lock(&ch_obj->ch_lock); |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| switch (advanced_capture_type) { |
| case MM_CAMERA_AF_BRACKETING: |
| rc = mm_channel_fsm_fn(ch_obj, |
| MM_CHANNEL_EVT_AF_BRACKETING, |
| (void *)start_flag, |
| NULL); |
| break; |
| case MM_CAMERA_AE_BRACKETING: |
| rc = mm_channel_fsm_fn(ch_obj, |
| MM_CHANNEL_EVT_AE_BRACKETING, |
| (void *)start_flag, |
| NULL); |
| break; |
| case MM_CAMERA_FLASH_BRACKETING: |
| rc = mm_channel_fsm_fn(ch_obj, |
| MM_CHANNEL_EVT_FLASH_BRACKETING, |
| (void *)start_flag, |
| NULL); |
| break; |
| case MM_CAMERA_ZOOM_1X: |
| rc = mm_channel_fsm_fn(ch_obj, |
| MM_CHANNEL_EVT_ZOOM_1X, |
| (void *)start_flag, |
| NULL); |
| break; |
| default: |
| break; |
| } |
| |
| } else { |
| pthread_mutex_unlock(&my_obj->cam_lock); |
| } |
| |
| CDBG("%s: X",__func__); |
| return rc; |
| } |
