| /* |
| * drivers/amlogic/media/video_processor/videosync/videosync.c |
| * |
| * Copyright (C) 2017 Amlogic, Inc. 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 as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * 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. |
| * |
| */ |
| |
| #define DEBUG |
| |
| #include "videosync.h" |
| #include <linux/amlogic/major.h> |
| #include <linux/platform_device.h> |
| #include <linux/uaccess.h> |
| #include <linux/amlogic/media/frame_sync/timestamp.h> |
| #include <linux/amlogic/media/frame_sync/tsync.h> |
| |
| |
| #define VIDEOSYNC_DEVICE_NAME "videosync" |
| #define RECEIVER_NAME "videosync" |
| #define PROVIDER_NAME "videosync" |
| |
| static bool videosync_inited;/*false*/ |
| static bool show_nosync;/*false*/ |
| static bool smooth_sync_enable; |
| static int enable_video_discontinue_report = 1; |
| static u32 system_time_scale_base = 1; |
| static s32 system_time_inc_adj;/*?*/ |
| static u32 vsync_pts_inc;/*?*/ |
| static u32 omx_version = 2; |
| static u32 vp_debug_flag; |
| static bool no_render;/* default: false */ |
| static bool async_mode;/* default: false */ |
| static u32 video_early_threshold = 900; /* default: 900=>10ms */ |
| |
| |
| /* video freerun mode */ |
| #define FREERUN_NONE 0 /* no freerun mode */ |
| #define FREERUN_NODUR 1 /* freerun without duration */ |
| #define FREERUN_DUR 2 /* freerun with duration */ |
| #define M_PTS_SMOOTH_MAX 45000 |
| #define M_PTS_SMOOTH_MIN 2250 |
| #define M_PTS_SMOOTH_ADJUST 900 |
| #define DURATION_GCD 750 |
| |
| static int omx_pts_interval_upper = 11000; |
| static int omx_pts_interval_lower = -5500; |
| #define DUR2PTS(x) ((x) - ((x) >> 4)) |
| |
| #define PRINT_ERROR 0X0 |
| #define PRINT_QUEUE_STATUS 0X0001 |
| #define PRINT_TIMESTAMP 0X0002 |
| #define PRINT_OTHER 0X0004 |
| |
| static struct videosync_dev *vp_dev; |
| |
| static int vp_print(char *name, int debug_flag, const char *fmt, ...) |
| { |
| if ((vp_debug_flag & debug_flag) |
| || (debug_flag == PRINT_ERROR)) { |
| unsigned char buf[512]; |
| int len = 0; |
| va_list args; |
| |
| va_start(args, fmt); |
| len = sprintf(buf, "[%s]", name); |
| vsnprintf(buf + len, 512-len, fmt, args); |
| pr_info("%s", buf); |
| va_end(args); |
| } |
| return 0; |
| } |
| |
| static u32 ts_pcrscr_get(struct videosync_s *dev_s) |
| { |
| u32 sys_time = 0; |
| /*unsigned long flags;*/ |
| sys_time = dev_s->system_time; |
| return sys_time; |
| } |
| |
| static void ts_pcrscr_set(struct videosync_s *dev_s, u32 pts) |
| { |
| dev_s->system_time = pts; |
| vp_print(dev_s->vf_receiver_name, PRINT_TIMESTAMP, |
| "ts_pcrscr_set sys_time %d\n", dev_s->system_time); |
| } |
| |
| static void ts_pcrscr_enable(struct videosync_s *dev_s, u32 enable) |
| { |
| dev_s->system_time_up = enable; |
| } |
| static u32 ts_pcrscr_enable_state(struct videosync_s *dev_s) |
| { |
| return dev_s->system_time_up; |
| } |
| |
| void videosync_pcrscr_update(s32 inc, u32 base) |
| { |
| int i = 0; |
| u32 r; |
| /*unsigned long flags;*/ |
| struct videosync_s *dev_s; |
| u32 current_omx_pts; |
| int diff; |
| |
| if (!videosync_inited) |
| return; |
| for (i = 0; i < VIDEOSYNC_S_COUNT; i++) { |
| dev_s = &vp_dev->video_prov[i]; |
| if (dev_s && dev_s->active_state == VIDEOSYNC_ACTIVE) { |
| if (system_time_scale_base != base) { |
| dev_s->system_time_scale_remainder = |
| dev_s->system_time_scale_remainder * |
| base / system_time_scale_base; |
| system_time_scale_base = base; |
| } |
| if (dev_s->system_time_up) { |
| dev_s->system_time += |
| div_u64_rem(90000ULL * inc, base, &r) |
| + system_time_inc_adj; |
| dev_s->system_time_scale_remainder += r; |
| if (dev_s->system_time_scale_remainder |
| >= system_time_scale_base) { |
| dev_s->system_time++; |
| dev_s->system_time_scale_remainder |
| -= system_time_scale_base; |
| } |
| vp_print(dev_s->vf_receiver_name, PRINT_OTHER, |
| "update sys_time %d, system_time_scale_base %d, inc %d\n", |
| dev_s->system_time, |
| system_time_scale_base, |
| inc); |
| } |
| |
| /*check if need to correct pcr by omx_pts*/ |
| current_omx_pts = dev_s->omx_pts; |
| diff = dev_s->system_time - current_omx_pts; |
| |
| if ((diff - omx_pts_interval_upper) > 0 |
| || (diff - omx_pts_interval_lower) < 0) { |
| vp_print(dev_s->vf_receiver_name, |
| PRINT_TIMESTAMP, |
| "sys_time=%d, omx_pts=%d, diff=%d\n", |
| dev_s->system_time, |
| current_omx_pts, |
| diff); |
| ts_pcrscr_set(dev_s, |
| current_omx_pts + DURATION_GCD); |
| } |
| } |
| } |
| } |
| |
| |
| /* ----------------------------------------------------------------- |
| * videosync operations |
| * ----------------------------------------------------------------- |
| */ |
| static struct vframe_s *videosync_vf_peek(void *op_arg) |
| { |
| struct vframe_s *vf = NULL; |
| struct videosync_s *dev_s = (struct videosync_s *)op_arg; |
| |
| vf = vfq_peek(&dev_s->ready_q); |
| return vf; |
| } |
| |
| static struct vframe_s *videosync_vf_get(void *op_arg) |
| { |
| struct vframe_s *vf = NULL; |
| struct videosync_s *dev_s = (struct videosync_s *)op_arg; |
| |
| vf = vfq_pop(&dev_s->ready_q); |
| if (vf) { |
| dev_s->cur_dispbuf = vf; |
| dev_s->first_frame_toggled = 1; |
| } |
| return vf; |
| } |
| |
| static void videosync_vf_put(struct vframe_s *vf, void *op_arg) |
| { |
| struct videosync_s *dev_s = (struct videosync_s *)op_arg; |
| |
| if (vf != NULL) { |
| vf_put(vf, dev_s->vf_receiver_name); |
| dev_s->put_frame_count++; |
| } else { |
| vp_print(dev_s->vf_receiver_name, 0, |
| "videosync_vf_put: NULL!\n"); |
| } |
| } |
| |
| static int videosync_event_cb(int type, void *data, void *private_data) |
| { |
| return 0; |
| } |
| |
| static int videosync_buffer_states(struct videosync_buffer_states *states, |
| void *op_arg) |
| { |
| struct videosync_s *dev_s = (struct videosync_s *)op_arg; |
| |
| states->buf_ready_num = vfq_level(&dev_s->ready_q); |
| states->buf_queued_num = vfq_level(&dev_s->queued_q); |
| states->total_num = dev_s->get_frame_count; |
| return 0; |
| } |
| |
| static int videosync_buffer_states_vf(struct vframe_states *states, |
| void *op_arg) |
| { |
| struct videosync_s *dev_s = (struct videosync_s *)op_arg; |
| |
| states->vf_pool_size = VIDEOSYNC_S_POOL_SIZE; |
| states->buf_recycle_num = 0; |
| states->buf_free_num = VIDEOSYNC_S_POOL_SIZE |
| - vfq_level(&dev_s->ready_q) |
| - vfq_level(&dev_s->queued_q); |
| states->buf_avail_num = vfq_level(&dev_s->ready_q) |
| + vfq_level(&dev_s->queued_q); |
| |
| return 0; |
| } |
| |
| static const struct vframe_operations_s v4lvideo_vf_provider = { |
| .peek = videosync_vf_peek, |
| .get = videosync_vf_get, |
| .put = videosync_vf_put, |
| .event_cb = videosync_event_cb, |
| .vf_states = videosync_buffer_states_vf, |
| }; |
| |
| static void videosync_register(struct videosync_s *dev_s) |
| { |
| vf_provider_init(&dev_s->video_vf_prov, |
| dev_s->vf_provider_name, |
| &v4lvideo_vf_provider, dev_s); |
| vf_reg_provider(&dev_s->video_vf_prov); |
| vf_notify_receiver(dev_s->vf_provider_name, |
| VFRAME_EVENT_PROVIDER_START, |
| NULL); |
| } |
| |
| static void videosync_unregister(struct videosync_s *dev_s) |
| { |
| vf_unreg_provider(&dev_s->video_vf_prov); |
| } |
| |
| static ssize_t dump_queue_state_show(struct class *class, |
| struct class_attribute *attr, char *buf) |
| { |
| int ret = 0; |
| int i = 0; |
| struct videosync_buffer_states states; |
| struct videosync_s *dev_s = NULL; |
| |
| if (vp_dev == NULL) |
| return -1; |
| |
| if (vp_dev->active_dev_s_num == 0) |
| ret += sprintf(buf, "no active videosync\n"); |
| else { |
| for (i = 0; i < VIDEOSYNC_S_COUNT; i++) { |
| dev_s = &vp_dev->video_prov[i]; |
| if (dev_s->active_state == VIDEOSYNC_INACTIVE) |
| continue; |
| |
| if (videosync_buffer_states(&states, dev_s) == 0) { |
| ret += sprintf(buf + ret, |
| "\n#------ %s state ------#\n", |
| dev_s->vf_receiver_name); |
| ret += sprintf(buf + ret, |
| "queued_q_size=%d\n", |
| states.buf_queued_num); |
| ret += sprintf(buf + ret, |
| "ready_q_size=%d\n", |
| states.buf_ready_num); |
| ret += sprintf(buf + ret, |
| "total frame count=%d\n", |
| states.total_num); |
| } |
| } |
| } |
| return ret; |
| } |
| |
| static ssize_t dump_pts_show(struct class *class, |
| struct class_attribute *attr, char *buf) |
| { |
| int ret = 0; |
| int i = 0; |
| struct videosync_s *dev_s = NULL; |
| |
| if (vp_dev == NULL) |
| return -1; |
| |
| if (vp_dev->active_dev_s_num == 0) |
| ret += sprintf(buf, "no active videosync\n"); |
| else { |
| for (i = 0; i < VIDEOSYNC_S_COUNT; i++) { |
| dev_s = &vp_dev->video_prov[i]; |
| if (dev_s->active_state == VIDEOSYNC_INACTIVE) |
| continue; |
| |
| ret += sprintf(buf + ret, |
| "%s: ", dev_s->vf_receiver_name); |
| ret += sprintf(buf + ret, |
| "omx_pts=%d, ", dev_s->omx_pts); |
| ret += sprintf(buf + ret, |
| "system_time=%d\n", dev_s->system_time); |
| } |
| } |
| return ret; |
| } |
| |
| static ssize_t dump_get_put_framecount_show(struct class *class, |
| struct class_attribute *attr, char *buf) |
| { |
| int ret = 0; |
| int i = 0; |
| struct videosync_s *dev_s = NULL; |
| |
| if (vp_dev == NULL) |
| return -1; |
| |
| if (vp_dev->active_dev_s_num == 0) |
| ret += sprintf(buf, "no active videosync\n"); |
| else { |
| for (i = 0; i < VIDEOSYNC_S_COUNT; i++) { |
| dev_s = &vp_dev->video_prov[i]; |
| if (dev_s->active_state == VIDEOSYNC_INACTIVE) |
| continue; |
| |
| ret += sprintf(buf + ret, |
| "%s: ", dev_s->vf_receiver_name); |
| ret += sprintf(buf + ret, |
| "get_frame_count=%d, put_frame_count=%d\n", |
| dev_s->get_frame_count, |
| dev_s->put_frame_count); |
| } |
| } |
| return ret; |
| } |
| |
| static ssize_t dump_rect_show(struct class *class, |
| struct class_attribute *attr, char *buf) |
| { |
| int ret = 0; |
| int i = 0; |
| struct videosync_s *dev_s = NULL; |
| |
| if (vp_dev == NULL) |
| return -1; |
| |
| if (vp_dev->active_dev_s_num == 0) |
| ret += sprintf(buf, "no active videosync\n"); |
| else { |
| for (i = 0; i < VIDEOSYNC_S_COUNT; i++) { |
| dev_s = &vp_dev->video_prov[i]; |
| if (dev_s->active_state == VIDEOSYNC_INACTIVE) |
| continue; |
| |
| ret += sprintf(buf + ret, |
| "%s: ", dev_s->vf_receiver_name); |
| ret += sprintf(buf + ret, |
| "rect = [%d,%d,%d,%d], ", |
| dev_s->rect.left, |
| dev_s->rect.top, |
| dev_s->rect.width, |
| dev_s->rect.height); |
| ret += sprintf(buf + ret, |
| "zorder = %d\n", dev_s->zorder); |
| } |
| } |
| return ret; |
| } |
| |
| static struct class_attribute videosync_class_attrs[] = { |
| __ATTR_RO(dump_queue_state), |
| __ATTR_RO(dump_pts), |
| __ATTR_RO(dump_get_put_framecount), |
| __ATTR_RO(dump_rect), |
| __ATTR_NULL |
| }; |
| static struct class videosync_class = { |
| .name = "videosync", |
| .class_attrs = videosync_class_attrs, |
| }; |
| |
| |
| int videosync_assign_map(char **receiver_name, int *inst) |
| { |
| int i = 0; |
| struct videosync_s *dev_s = NULL; |
| |
| mutex_lock(&vp_dev->vp_mutex); |
| for (i = 0; i < VIDEOSYNC_S_COUNT; i++) { |
| dev_s = &vp_dev->video_prov[i]; |
| if (dev_s->inst == *inst) { |
| *receiver_name = dev_s->vf_receiver_name; |
| pr_info("videosync_assign_map %s %p\n", |
| dev_s->vf_receiver_name, dev_s); |
| mutex_unlock(&vp_dev->vp_mutex); |
| return 0; |
| } |
| } |
| mutex_unlock(&vp_dev->vp_mutex); |
| return -ENODEV; |
| } |
| |
| int videosync_alloc_map(int *inst) |
| { |
| int i = 0; |
| struct videosync_s *dev_s = NULL; |
| |
| mutex_lock(&vp_dev->vp_mutex); |
| for (i = 0; i < VIDEOSYNC_S_COUNT; i++) { |
| dev_s = &vp_dev->video_prov[i]; |
| if (dev_s->inst >= 0 && (!dev_s->mapped)) { |
| dev_s->mapped = true; |
| *inst = dev_s->inst; |
| pr_info("videosync_alloc_map %d OK\n", dev_s->inst); |
| mutex_unlock(&vp_dev->vp_mutex); |
| return 0; |
| } |
| } |
| mutex_unlock(&vp_dev->vp_mutex); |
| return -ENODEV; |
| } |
| |
| void videosync_release_map(int inst) |
| { |
| |
| int i = 0; |
| struct videosync_s *dev_s = NULL; |
| |
| mutex_lock(&vp_dev->vp_mutex); |
| for (i = 0; i < VIDEOSYNC_S_COUNT; i++) { |
| dev_s = &vp_dev->video_prov[i]; |
| if (dev_s->inst == inst && (dev_s->mapped)) { |
| dev_s->mapped = false; |
| pr_info("videosync_release_map %d OK\n", inst); |
| break; |
| } |
| } |
| mutex_unlock(&vp_dev->vp_mutex); |
| } |
| void videosync_release_map_force(struct videosync_priv_s *priv) |
| { |
| int i = 0; |
| struct videosync_s *dev_s = NULL; |
| |
| mutex_lock(&vp_dev->vp_mutex); |
| for (i = 0; i < VIDEOSYNC_S_COUNT; i++) { |
| dev_s = &vp_dev->video_prov[i]; |
| if (dev_s->inst == priv->vp_id && (dev_s->mapped)) { |
| dev_s->mapped = false; |
| pr_info("videosync_release_map_force %d OK\n", |
| priv->vp_id); |
| break; |
| } |
| } |
| mutex_unlock(&vp_dev->vp_mutex); |
| } |
| |
| static int videosync_open(struct inode *inode, struct file *file) |
| { |
| struct videosync_priv_s *priv = NULL; |
| |
| pr_info("videosync_open\n"); |
| priv = kzalloc(sizeof(struct videosync_priv_s), GFP_KERNEL); |
| if (priv == NULL) { |
| pr_err("kzalloc videosync_priv_s failed!"); |
| } else { |
| priv->vp_id = -1; |
| priv->dev_s = NULL; |
| file->private_data = priv; |
| } |
| return 0; |
| } |
| |
| static int videosync_release(struct inode *inode, struct file *file) |
| { |
| struct videosync_priv_s *priv = NULL; |
| |
| pr_info("videosync_release\n"); |
| if (file && file->private_data) { |
| priv = file->private_data; |
| |
| /*check if map released.*/ |
| videosync_release_map_force(priv); |
| |
| kfree(priv); |
| priv = NULL; |
| file->private_data = NULL; |
| } |
| |
| return 0; |
| } |
| |
| static int set_omx_pts(u32 *p) |
| { |
| struct videosync_s *dev_s = NULL; |
| int ret = 0; |
| u32 tmp_pts = p[0]; |
| /*u32 vision = p[1];*/ |
| u32 set_from_hwc = p[2]; |
| u32 frame_num = p[3]; |
| u32 not_reset = p[4]; |
| u32 dev_id = p[6]; |
| |
| if (dev_id < VIDEOSYNC_S_COUNT) |
| dev_s = &vp_dev->video_prov[dev_id]; |
| |
| if (dev_s != NULL && dev_s->mapped) { |
| mutex_lock(&dev_s->omx_mutex); |
| vp_print(dev_s->vf_receiver_name, PRINT_TIMESTAMP, |
| "set omx_pts %d, hwc %d, not_reset %d, frame_num\n", |
| tmp_pts, set_from_hwc, not_reset, frame_num); |
| if (not_reset == 0) |
| dev_s->omx_pts = tmp_pts; |
| |
| mutex_unlock(&dev_s->omx_mutex); |
| |
| ts_pcrscr_enable(dev_s, 1); |
| } else { |
| ret = -EFAULT; |
| pr_err("[%s]cannot find dev_id %d device\n", |
| dev_s->vf_receiver_name, dev_id); |
| } |
| |
| return ret; |
| |
| } |
| static int set_omx_zorder(u32 *p) |
| { |
| struct videosync_s *dev_s = NULL; |
| int ret = 0; |
| u32 dev_id = p[5]; |
| /*32 tmp_pts = p[6];*/ |
| |
| if (dev_id < VIDEOSYNC_S_COUNT) |
| dev_s = &vp_dev->video_prov[dev_id]; |
| |
| if (dev_s != NULL && dev_s->mapped) { |
| dev_s->zorder = p[0]; |
| dev_s->rect.left = p[1]; |
| dev_s->rect.top = p[2]; |
| dev_s->rect.width = p[3]; |
| dev_s->rect.height = p[4]; |
| |
| vp_print(dev_s->vf_receiver_name, PRINT_TIMESTAMP, |
| "set zorder %d: %d %d %d %d\n", |
| p[0], p[1], p[2], p[3], p[4]); |
| |
| } else { |
| ret = -EFAULT; |
| pr_err("[%s]cannot find dev_id %d device\n", |
| dev_s->vf_receiver_name, dev_id); |
| } |
| |
| return ret; |
| |
| } |
| |
| static long videosync_ioctl(struct file *file, |
| unsigned int cmd, |
| ulong arg) |
| { |
| long ret = 0; |
| void __user *argp = (void __user *)arg; |
| struct videosync_priv_s *priv = NULL; |
| |
| switch (cmd) { |
| case VIDEOSYNC_IOC_ALLOC_ID:{ |
| u32 videosync_id = 0; |
| |
| ret = videosync_alloc_map(&videosync_id); |
| if (ret != 0) |
| break; |
| put_user(videosync_id, (u32 __user *)argp); |
| pr_info("alloc-id %d\n", videosync_id); |
| |
| if (file && file->private_data) { |
| priv = file->private_data; |
| priv->vp_id = videosync_id; |
| priv->dev_s = &vp_dev->video_prov[videosync_id]; |
| pr_info("get dev_s %p\n", priv->dev_s); |
| } |
| } |
| break; |
| case VIDEOSYNC_IOC_FREE_ID:{ |
| u32 videosync_id; |
| |
| get_user(videosync_id, (u32 __user *)argp); |
| pr_info("free-id %d\n", videosync_id); |
| videosync_release_map(videosync_id); |
| } |
| break; |
| |
| case VIDEOSYNC_IOC_SET_FREERUN_MODE: |
| if (arg > FREERUN_DUR) |
| ret = -EFAULT; |
| else { |
| if (file && file->private_data) { |
| priv = file->private_data; |
| if (priv && priv->dev_s) |
| priv->dev_s->freerun_mode = arg; |
| else |
| ret = -EFAULT; |
| } else { |
| ret = -EFAULT; |
| } |
| } |
| break; |
| |
| case VIDEOSYNC_IOC_GET_FREERUN_MODE: |
| if (file && file->private_data) { |
| priv = file->private_data; |
| if (priv && priv->dev_s) |
| put_user(priv->dev_s->freerun_mode, |
| (u32 __user *)argp); |
| else |
| ret = -EFAULT; |
| |
| } else |
| ret = -EFAULT; |
| |
| break; |
| case VIDEOSYNC_IOC_SET_OMX_VPTS:{ |
| u32 pts[7]; |
| |
| if (copy_from_user(pts, argp, sizeof(pts)) == 0) |
| ret = set_omx_pts(pts); |
| |
| } |
| break; |
| case VIDEOSYNC_IOC_SET_OMX_ZORDER:{ |
| u32 zorder[7]; |
| |
| if (copy_from_user(zorder, argp, sizeof(zorder)) == 0) |
| ret = set_omx_zorder(zorder); |
| |
| } |
| break; |
| case VIDEOSYNC_IOC_GET_OMX_VPTS: |
| if (file && file->private_data) { |
| priv = file->private_data; |
| if (priv && priv->dev_s) |
| put_user(priv->dev_s->omx_pts, |
| (u32 __user *)argp); |
| else |
| ret = -EFAULT; |
| } else { |
| ret = -EFAULT; |
| } |
| break; |
| case VIDEOSYNC_IOC_GET_OMX_VERSION: |
| put_user(omx_version, (u32 __user *)argp); |
| pr_info("get omx_version %d\n", omx_version); |
| break; |
| default: |
| pr_info("ioctl invalid cmd 0x%x\n", cmd); |
| return -EINVAL; |
| } |
| return ret; |
| } |
| |
| #ifdef CONFIG_COMPAT |
| static long videosync_compat_ioctl(struct file *file, |
| unsigned int cmd, |
| ulong arg) |
| { |
| long ret = 0; |
| |
| ret = videosync_ioctl(file, cmd, (ulong)compat_ptr(arg)); |
| return ret; |
| } |
| #endif |
| |
| static void clear_queued_queue(struct videosync_s *dev_s) |
| { |
| struct vframe_s *vf = NULL; |
| |
| vp_print(dev_s->vf_receiver_name, PRINT_QUEUE_STATUS, |
| "clear_queued_queue: size %d!\n", vfq_level(&dev_s->queued_q)); |
| |
| vf = vfq_pop(&dev_s->queued_q); |
| while (vf) { |
| vf_put(vf, dev_s->vf_receiver_name); |
| vf = vfq_pop(&dev_s->queued_q); |
| } |
| |
| } |
| |
| static void clear_ready_queue(struct videosync_s *dev_s) |
| { |
| struct vframe_s *vf = NULL; |
| |
| vp_print(dev_s->vf_receiver_name, PRINT_QUEUE_STATUS, |
| "clear_ready_queue: size %d!\n", |
| vfq_level(&dev_s->ready_q)); |
| vf = vfq_pop(&dev_s->ready_q); |
| while (vf) { |
| vf_put(vf, dev_s->vf_receiver_name); |
| vf = vfq_pop(&dev_s->ready_q); |
| } |
| } |
| |
| static inline bool omx_vpts_expire(struct vframe_s *cur_vf, |
| struct vframe_s *next_vf, |
| struct videosync_s *dev_s) |
| |
| { |
| u32 pts = next_vf->pts; |
| #ifdef VIDEO_PTS_CHASE |
| u32 vid_pts, scr_pts; |
| #endif |
| u32 systime; |
| u32 adjust_pts, org_vpts; |
| /*u32 dur_pts = 0;*/ |
| |
| if (dev_s->freerun_mode == FREERUN_NODUR) |
| return true; |
| |
| if (next_vf->duration == 0) |
| return true; |
| |
| systime = ts_pcrscr_get(dev_s); |
| |
| if (no_render) |
| dev_s->first_frame_toggled = 1; /*just for debug, not render*/ |
| |
| vp_print(dev_s->vf_receiver_name, PRINT_TIMESTAMP, |
| "sys_time=%d, vf->pts=%d, diff=%d\n", |
| systime, pts, (int)(systime - pts)); |
| |
| if (0) { |
| pts = |
| timestamp_vpts_get() + |
| (cur_vf ? DUR2PTS(cur_vf->duration) : 0); |
| } |
| /* check video PTS discontinuity */ |
| else if (ts_pcrscr_enable_state(dev_s) > 0 && |
| (enable_video_discontinue_report) && |
| (dev_s->first_frame_toggled) && |
| (abs(systime - pts) > tsync_vpts_discontinuity_margin()) && |
| ((next_vf->flag & VFRAME_FLAG_NO_DISCONTINUE) == 0 |
| || tsync_vpts_discontinuity_margin() <= 90000)) { |
| |
| vp_print(dev_s->vf_receiver_name, PRINT_TIMESTAMP, |
| "discontinue, systime = %d, next_vf->pts = %d\n", |
| systime, next_vf->pts); |
| return true; |
| } |
| |
| if (0/*smooth_sync_enable*/) { |
| org_vpts = timestamp_vpts_get(); |
| if ((abs(org_vpts + vsync_pts_inc - systime) < |
| M_PTS_SMOOTH_MAX) |
| && (abs(org_vpts + vsync_pts_inc - systime) > |
| M_PTS_SMOOTH_MIN)) { |
| |
| if (!dev_s->video_frame_repeat_count) { |
| dev_s->vpts_ref = org_vpts; |
| dev_s->video_frame_repeat_count++; |
| } |
| |
| if ((int)(org_vpts + vsync_pts_inc - systime) > 0) { |
| adjust_pts = |
| dev_s->vpts_ref + (vsync_pts_inc - |
| M_PTS_SMOOTH_ADJUST) * |
| dev_s->video_frame_repeat_count; |
| } else { |
| adjust_pts = |
| dev_s->vpts_ref + (vsync_pts_inc + |
| M_PTS_SMOOTH_ADJUST) * |
| dev_s->video_frame_repeat_count; |
| } |
| |
| return (int)(adjust_pts - pts) >= 0; |
| } |
| |
| if (dev_s->video_frame_repeat_count) { |
| dev_s->vpts_ref = 0; |
| dev_s->video_frame_repeat_count = 0; |
| } |
| } |
| |
| return (systime + video_early_threshold) > pts; |
| |
| } |
| |
| void videosync_sync(struct videosync_s *dev_s) |
| { |
| int ready_q_size = 0; |
| struct vframe_s *vf; |
| |
| if (smooth_sync_enable) { |
| if (dev_s->video_frame_repeat_count) |
| dev_s->video_frame_repeat_count++; |
| } |
| |
| vf = vfq_peek(&dev_s->queued_q); |
| |
| while (vf) { |
| if (omx_vpts_expire(dev_s->cur_dispbuf, vf, dev_s) |
| || show_nosync) { |
| |
| vf = vfq_pop(&dev_s->queued_q); |
| if (vf) { |
| if (async_mode) { |
| if (vfq_level(&dev_s->ready_q) > 0) |
| clear_ready_queue(dev_s); |
| } |
| |
| vfq_push(&dev_s->ready_q, vf); |
| ready_q_size = vfq_level(&dev_s->ready_q); |
| vp_print(dev_s->vf_receiver_name, |
| PRINT_QUEUE_STATUS, |
| "add pts %d index 0x%x to ready_q, size %d\n", |
| vf->pts, vf->index, ready_q_size); |
| |
| vf_notify_receiver( |
| dev_s->vf_provider_name, |
| VFRAME_EVENT_PROVIDER_VFRAME_READY, |
| NULL); |
| if (ready_q_size > VIDEOSYNC_S_POOL_SIZE - 1) { |
| vp_print(dev_s->vf_receiver_name, |
| PRINT_QUEUE_STATUS, |
| "ready_q full!\n"); |
| break; |
| } |
| } |
| |
| vf = vfq_peek(&dev_s->queued_q); |
| if (!vf) |
| break; |
| } else { |
| break; |
| } |
| } |
| |
| } |
| |
| |
| static void prepare_queued_queue(struct videosync_dev *dev) |
| { |
| int i = 0; |
| struct videosync_s *dev_s; |
| struct vframe_s *vf; |
| |
| for (i = 0; i < VIDEOSYNC_S_COUNT; i++) { |
| dev_s = &dev->video_prov[i]; |
| if (dev_s->active_state == VIDEOSYNC_INACTIVE) |
| continue; |
| |
| if (vfq_full(&dev_s->queued_q)) { |
| pr_info("[%s]queued_q full!\n", |
| dev_s->vf_receiver_name); |
| continue; |
| } |
| |
| if (vf_peek(dev_s->vf_receiver_name)) { |
| vf = vf_get(dev_s->vf_receiver_name); |
| if (vf) { |
| vfq_push(&dev_s->queued_q, vf); |
| dev_s->get_frame_count++; |
| vp_print(dev_s->vf_receiver_name, |
| PRINT_QUEUE_STATUS, |
| "add pts %d index 0x%x to queued_q, size %d\n", |
| vf->pts, |
| vf->index, |
| vfq_level(&dev_s->queued_q)); |
| } |
| } else { |
| vp_print(dev_s->vf_receiver_name, PRINT_OTHER, |
| "peek failed %d\n"); |
| } |
| } |
| |
| } |
| static void prepare_ready_queue(struct videosync_dev *dev) |
| { |
| int i = 0; |
| struct videosync_s *dev_s; |
| |
| for (i = 0; i < VIDEOSYNC_S_COUNT; i++) { |
| dev_s = &dev->video_prov[i]; |
| if (dev_s->active_state == VIDEOSYNC_INACTIVE) |
| continue; |
| |
| if (vfq_full(&dev_s->ready_q)) { |
| pr_info("[%s]ready_q full!\n", dev_s->vf_receiver_name); |
| continue; |
| } |
| |
| videosync_sync(dev_s); |
| |
| if (no_render) |
| clear_ready_queue(dev_s);/*just for debug, not render*/ |
| |
| } |
| |
| } |
| |
| static void reinit_dev_s(struct videosync_s *dev_s) |
| { |
| dev_s->get_frame_count = 0; |
| dev_s->put_frame_count = 0; |
| dev_s->system_time_up = 0; |
| dev_s->system_time = 0; |
| dev_s->first_frame_toggled = 0; |
| dev_s->freerun_mode = 0; |
| dev_s->system_time_scale_remainder = 0; |
| dev_s->omx_pts = 0; |
| dev_s->vpts_ref = 0; |
| dev_s->video_frame_repeat_count = 0; |
| dev_s->rect.top = 0; |
| dev_s->rect.left = 0; |
| dev_s->rect.width = 0; |
| dev_s->rect.height = 0; |
| dev_s->zorder = 0; |
| } |
| static int videosync_receiver_event_fun(int type, void *data, |
| void *private_data) |
| { |
| struct videosync_s *dev_s = (struct videosync_s *)private_data; |
| unsigned long flags = 0; |
| struct videosync_dev *dev; |
| unsigned long time_left; |
| |
| if (type == VFRAME_EVENT_PROVIDER_UNREG) { |
| pr_info("videosync: try to unreg %p, %s\n", |
| dev_s, dev_s->vf_receiver_name); |
| dev = (struct videosync_dev *)dev_s->dev; |
| |
| spin_lock_irqsave(&dev->dev_s_num_slock, flags); |
| --dev->active_dev_s_num; |
| spin_unlock_irqrestore(&dev->dev_s_num_slock, flags); |
| |
| videosync_unregister(dev_s); |
| dev_s->receiver_register = false; |
| |
| if (dev_s->active_state == VIDEOSYNC_ACTIVE) { |
| dev_s->active_state = VIDEOSYNC_INACTIVE_REQ; |
| time_left = wait_for_completion_timeout( |
| &dev_s->inactive_done, |
| msecs_to_jiffies(100)); |
| if (time_left == 0) |
| vp_print(RECEIVER_NAME, PRINT_OTHER, |
| "videosync: unreg timeout\n"); |
| } |
| clear_ready_queue(dev_s); |
| clear_queued_queue(dev_s); |
| |
| /*tsync_avevent(VIDEO_STOP, 0);*/ |
| pr_info("videosync: unreg %p, %s\n", |
| dev_s, dev_s->vf_receiver_name); |
| } else if (type == VFRAME_EVENT_PROVIDER_REG) { |
| //omx_secret_mode = false; |
| struct videosync_dev *dev = (struct videosync_dev *)dev_s->dev; |
| |
| reinit_dev_s(dev_s); |
| //videosync_register(dev_s); |
| dev_s->receiver_register = true; |
| dev_s->active_state = VIDEOSYNC_ACTIVE; |
| |
| spin_lock_irqsave(&dev->dev_s_num_slock, flags); |
| ++dev->active_dev_s_num; |
| spin_unlock_irqrestore(&dev->dev_s_num_slock, flags); |
| |
| vfq_init(&dev_s->queued_q, VIDEOSYNC_S_POOL_SIZE + 1, |
| &dev_s->videosync_pool_queued[0]); |
| vfq_init(&dev_s->ready_q, VIDEOSYNC_S_POOL_SIZE + 1, |
| &dev_s->videosync_pool_ready[0]); |
| |
| init_completion(&dev_s->inactive_done); |
| complete(&dev->thread_active); |
| pr_info("videosync: reg %p, %s\n", |
| dev_s, dev_s->vf_receiver_name); |
| } else if (type == VFRAME_EVENT_PROVIDER_VFRAME_READY) { |
| |
| } else if (type == VFRAME_EVENT_PROVIDER_START) { |
| videosync_register(dev_s); |
| pr_info("videosync: start %p, %s\n", |
| dev_s, dev_s->vf_receiver_name); |
| } else if (type == VFRAME_EVENT_PROVIDER_QUREY_STATE) { |
| struct videosync_buffer_states states; |
| |
| videosync_buffer_states(&states, dev_s); |
| if (states.buf_queued_num + states.buf_ready_num > 0) |
| return RECEIVER_ACTIVE; |
| |
| vp_print(dev_s->vf_receiver_name, 0, |
| "buf queue empty!!\n"); |
| return RECEIVER_ACTIVE;/*return RECEIVER_INACTIVE;*/ |
| } |
| return 0; |
| } |
| |
| static const struct file_operations videosync_fops = { |
| |
| .owner = THIS_MODULE, |
| .open = videosync_open, |
| .release = videosync_release, |
| .unlocked_ioctl = videosync_ioctl, |
| #ifdef CONFIG_COMPAT |
| .compat_ioctl = videosync_compat_ioctl, |
| #endif |
| .poll = NULL, |
| }; |
| |
| static const struct vframe_receiver_op_s videosync_vf_receiver = { |
| .event_cb = videosync_receiver_event_fun, |
| }; |
| |
| static const struct videosync_operations_s videosync_vf_provider = { |
| .peek = videosync_vf_peek, |
| .get = videosync_vf_get, |
| .put = videosync_vf_put, |
| .event_cb = videosync_event_cb, |
| .buffer_states = videosync_buffer_states, |
| }; |
| |
| static int __init videosync_create_instance(int inst) |
| { |
| struct videosync_s *dev_s; |
| |
| dev_s = &vp_dev->video_prov[inst]; |
| dev_s->dev = vp_dev; |
| dev_s->fd_num = 0; |
| dev_s->ops = &videosync_vf_provider; |
| dev_s->active_state = VIDEOSYNC_INACTIVE; |
| pr_info("videosync_create_instance dev_s %p,dev_s->dev %p\n", |
| dev_s, dev_s->dev); |
| |
| /* initialize locks */ |
| mutex_init(&dev_s->omx_mutex); |
| spin_lock_init(&dev_s->timestamp_lock); |
| |
| dev_s->inst = inst; |
| dev_s->index = inst; |
| dev_s->mapped = true; |
| snprintf(dev_s->vf_receiver_name, VIDEOSYNC_S_VF_RECEIVER_NAME_SIZE, |
| RECEIVER_NAME ".%x", inst & 0xff); |
| snprintf(dev_s->vf_provider_name, VIDEOSYNC_S_VF_RECEIVER_NAME_SIZE, |
| PROVIDER_NAME ".%x", inst & 0xff); |
| |
| pr_info("videosync_create_instance reg %s\n", |
| dev_s->vf_receiver_name); |
| |
| vf_receiver_init(&dev_s->vp_vf_receiver, |
| dev_s->vf_receiver_name, |
| &videosync_vf_receiver, dev_s); |
| |
| vf_reg_receiver(&dev_s->vp_vf_receiver); |
| |
| return 0; |
| |
| } |
| |
| static void __init videosync_destroy_instance(int inst) |
| { |
| pr_info("videosync_destroy_instance %s\n", |
| vp_dev->video_prov[inst].vf_receiver_name); |
| vf_unreg_receiver(&vp_dev->video_prov[inst].vp_vf_receiver); |
| } |
| |
| |
| static void videosync_thread_tick(struct videosync_dev *dev) |
| { |
| int i = 0; |
| struct videosync_s *dev_s; |
| unsigned long flags = 0; |
| unsigned long time_left; |
| |
| if (!dev) |
| return; |
| |
| for (i = 0; i < VIDEOSYNC_S_COUNT; i++) { |
| dev_s = &dev->video_prov[i]; |
| if (dev_s->active_state == VIDEOSYNC_INACTIVE_REQ) { |
| dev_s->active_state = VIDEOSYNC_INACTIVE; |
| complete(&dev_s->inactive_done); |
| } |
| } |
| |
| vp_print(RECEIVER_NAME, PRINT_OTHER, |
| "active num %d\n", dev->active_dev_s_num); |
| |
| spin_lock_irqsave(&dev->dev_s_num_slock, flags); |
| if (dev->active_dev_s_num > 0) { |
| spin_unlock_irqrestore(&dev->dev_s_num_slock, flags); |
| prepare_queued_queue(dev); |
| prepare_ready_queue(dev); |
| usleep_range(7000, 8000); |
| } else { |
| spin_unlock_irqrestore(&dev->dev_s_num_slock, flags); |
| vp_print(RECEIVER_NAME, PRINT_OTHER, |
| "videosync: no active dev, thread go to sleep\n"); |
| time_left = wait_for_completion_timeout(&dev->thread_active, |
| msecs_to_jiffies(500)); |
| if (time_left == 0) |
| vp_print(RECEIVER_NAME, PRINT_OTHER, |
| "videosync: thread_tick timeout\n"); |
| } |
| } |
| |
| static void videosync_sleep(struct videosync_dev *dev) |
| { |
| videosync_thread_tick(dev); |
| try_to_freeze(); |
| } |
| |
| static int videosync_thread(void *data) |
| { |
| struct videosync_dev *dev = (struct videosync_dev *)data; |
| |
| pr_info("videosync_thread started\n"); |
| |
| set_freezable(); |
| |
| while (!kthread_should_stop()) |
| videosync_sleep(dev); |
| |
| pr_info("videosync_thread exit\n"); |
| return 0; |
| } |
| |
| |
| static int __init videosync_init(void) |
| { |
| int ret = -1, i; |
| struct device *devp; |
| |
| ret = class_register(&videosync_class); |
| if (ret < 0) |
| return ret; |
| ret = register_chrdev(VIDEOSYNC_MAJOR, "videosync", &videosync_fops); |
| if (ret < 0) { |
| pr_err("Can't allocate major for videosync device\n"); |
| goto error1; |
| } |
| |
| devp = device_create(&videosync_class, |
| NULL, |
| MKDEV(VIDEOSYNC_MAJOR, 0), |
| NULL, |
| VIDEOSYNC_DEVICE_NAME); |
| if (IS_ERR(devp)) { |
| pr_err("failed to create videosync device node\n"); |
| ret = PTR_ERR(devp); |
| return ret; |
| } |
| |
| vp_dev = kzalloc(sizeof(*vp_dev), GFP_KERNEL); |
| if (!vp_dev) |
| return -ENOMEM; |
| |
| vp_dev->video_prov = kzalloc( |
| VIDEOSYNC_S_COUNT * sizeof(struct videosync_s), |
| GFP_KERNEL); |
| if (!vp_dev->video_prov) |
| return -ENOMEM; |
| |
| mutex_init(&vp_dev->vp_mutex); |
| spin_lock_init(&vp_dev->dev_s_num_slock); |
| |
| for (i = 0; i < VIDEOSYNC_S_COUNT; i++) { |
| ret = videosync_create_instance(i); |
| if (ret) { |
| pr_err("videosync: error %d while create instance\n", |
| ret); |
| goto error1; |
| } |
| } |
| |
| init_completion(&vp_dev->thread_active); |
| vp_dev->kthread = kthread_run(videosync_thread, vp_dev, "videosync"); |
| videosync_inited = true; |
| return ret; |
| |
| error1: |
| kfree(vp_dev); |
| vp_dev = NULL; |
| unregister_chrdev(VIDEOSYNC_MAJOR, "videosync"); |
| class_unregister(&videosync_class); |
| return ret; |
| } |
| |
| static void __exit videosync_exit(void) |
| { |
| int i, ret; |
| |
| complete(&vp_dev->thread_active); |
| |
| if (vp_dev->kthread) { |
| ret = kthread_stop(vp_dev->kthread); |
| if (ret < 0) |
| pr_info("%s, kthread_stop return %d.\n", __func__, ret); |
| vp_dev->kthread = NULL; |
| } |
| videosync_inited = false; |
| |
| for (i = 0; i < VIDEOSYNC_S_COUNT; i++) |
| videosync_destroy_instance(i); |
| |
| kfree(vp_dev->video_prov); |
| vp_dev->video_prov = NULL; |
| |
| kfree(vp_dev); |
| vp_dev = NULL; |
| |
| device_destroy(&videosync_class, MKDEV(VIDEOSYNC_MAJOR, 0)); |
| unregister_chrdev(VIDEOSYNC_MAJOR, VIDEOSYNC_DEVICE_NAME); |
| class_unregister(&videosync_class); |
| } |
| |
| module_init(videosync_init); |
| module_exit(videosync_exit); |
| |
| MODULE_PARM_DESC(smooth_sync_enable, "\n smooth_sync_enable\n"); |
| module_param(smooth_sync_enable, bool, 0664); |
| |
| MODULE_PARM_DESC(vp_debug_flag, "\n vp_debug_flag\n"); |
| module_param(vp_debug_flag, uint, 0664); |
| |
| MODULE_PARM_DESC(show_nosync, "\n show_nosync\n"); |
| module_param(show_nosync, bool, 0664); |
| |
| MODULE_PARM_DESC(no_render, "\n no_render\n"); |
| module_param(no_render, bool, 0664); |
| |
| MODULE_PARM_DESC(async_mode, "\n async_mode\n"); |
| module_param(async_mode, bool, 0664); |
| |
| MODULE_PARM_DESC(video_early_threshold, "\n video_early_threshold\n"); |
| module_param(video_early_threshold, uint, 0664); |
| |