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mse_core_main.c
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mse_core_main.c
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/*************************************************************************/ /*
avb-mse
Copyright (C) 2015-2017 Renesas Electronics Corporation
License Dual MIT/GPLv2
The contents of this file are subject to the MIT license as set out below.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
Alternatively, the contents of this file may be used under the terms of
the GNU General Public License Version 2 ("GPL") in which case the provisions
of GPL are applicable instead of those above.
If you wish to allow use of your version of this file only under the terms of
GPL, and not to allow others to use your version of this file under the terms
of the MIT license, indicate your decision by deleting the provisions above
and replace them with the notice and other provisions required by GPL as set
out in the file called "GPL-COPYING" included in this distribution. If you do
not delete the provisions above, a recipient may use your version of this file
under the terms of either the MIT license or GPL.
This License is also included in this distribution in the file called
"MIT-COPYING".
EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
GPLv2:
If you wish to use this file under the terms of GPL, following terms are
effective.
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; version 2 of the License.
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.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/ /*************************************************************************/
#undef pr_fmt
#define pr_fmt(fmt) KBUILD_MODNAME "/" fmt
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/fs.h>
#include <linux/platform_device.h>
#include <linux/of_device.h>
#include <linux/spinlock.h>
#include <linux/workqueue.h>
#include <linux/completion.h>
#include <linux/time.h>
#include <linux/hrtimer.h>
#include <linux/delay.h>
#include <linux/list.h>
#include <linux/dma-mapping.h>
#include <linux/semaphore.h>
#include "avtp.h"
#include "ravb_mse_kernel.h"
#include "mse_packetizer.h"
#include "mse_config.h"
#include "mse_packet_ctrl.h"
#include "mse_sysfs.h"
#include "mse_ptp.h"
#include "mse_ioctl_local.h"
#define MSE_DEBUG_TSTAMPS (0)
#define MSE_DEBUG_TSTAMPS2 (0) /* very noisy */
#define MSE_DEBUG_STATE (0)
#define BUF_SIZE (32)
#define MSE_TIMEOUT_CLOSE (msecs_to_jiffies(5000)) /* 5secs */
#define MSE_TIMEOUT_PACKETIZE (msecs_to_jiffies(16)) /* 16 msecs */
#define MSE_RADIX_HEXADECIMAL (16)
#define MSE_DEFAULT_BITRATE (50000000) /* 50Mbps */
/** @brief MCH table max */
#define MSE_MCH_MAX (10)
/** @brief PTP table max */
#define MSE_PTP_MAX (10)
/** @brief packet buffer related definitions */
#define MSE_PACKET_SIZE_MAX (1526)
#define MSE_TX_PACKET_NUM_MAX (128)
#define MSE_RX_PACKET_NUM_MAX (128)
#define MSE_TX_PACKET_NUM (MSE_TX_PACKET_NUM_MAX)
#define MSE_RX_PACKET_NUM (64)
#define MSE_TX_RING_SIZE (MSE_TX_PACKET_NUM_MAX * 3)
#define MSE_RX_RING_SIZE (MSE_RX_PACKET_NUM_MAX * 2)
#define MSE_CRF_TX_RING_SIZE (MSE_TX_PACKET_NUM_MAX)
#define MSE_CRF_RX_RING_SIZE (MSE_RX_PACKET_NUM_MAX * 2)
#define q_next(que, pos) (((pos) + 1) % (que)->len)
#define q_prev(que, pos) (((pos) - 1 + (que)->len) % (que)->len)
#define q_empty(que) ((que)->head == (que)->tail)
#define PTP_TIMESTAMPS_MAX (512)
#define PTP_TIMER_INTERVAL (20 * 1000000) /* 1/300 sec * 6 = 20ms */
/* judge error 5% */
#define PTP_TIMER_ERROR_THRESHOLD(x) div64_u64((x) * 5, 100)
/* judge error 2 periods */
#define PTP_START_ERROR_THRESHOLD(x) ((x) * 2)
/* judge error 10% capture syncronized */
#define PTP_SYNC_ERROR_THRESHOLD(x) div64_u64((x) * 10, 100)
/* judge error 10% valid to mch */
#define MCH_ERROR_THRESHOLD(x) div64_u64((x) * 10, 100)
#define PTP_SYNC_LOCK_THRESHOLD (3)
#define CRF_TIMER_INTERVAL (20 * 1000000) /* 20ms */
#define CRF_PTP_TIMESTAMPS (1) /* timestamps per CRF packet using ptp */
#define CRF_AUDIO_TIMESTAMPS (6) /* audio timestamps per CRF packet */
#define CREATE_AVTP_TIMESTAMPS_MAX (4096)
#define MSE_DECODE_BUFFER_NUM (8)
#define MSE_DECODE_BUFFER_NUM_START_MIN (2)
#define MSE_DECODE_BUFFER_NUM_START_MAX (6)
#define MAX_DECODE_SIZE (8192) /* ALSA Period byte size */
#define MSE_TRANS_BUF_NUM (3) /* size of transmission buffer array */
#define MSE_TRANS_BUF_ACCEPTABLE (MSE_TRANS_BUF_NUM - 1)
#define MSE_MPEG2TS_BUF_NUM (MSE_TRANS_BUF_NUM)
#define MSE_MPEG2TS_BUF_SIZE (512U * 1024U)
#define MSE_MPEG2TS_BUF_THRESH (188U * 192U * 14U)
#define mbit_to_bit(mbit) (mbit * 1000000)
#define MPEG2TS_TIMER_NS (10000000) /* 10 msec */
/* (timer_ns * 90kHz) / 1e9 => (timer_ns * 9) / 1e5 */
#define MPEG2TS_CLOCK_INC ((MPEG2TS_TIMER_NS * 9) / 100000)
#define MPEG2TS_TS_SIZE (188)
#define MPEG2TS_SYNC (0x47)
#define MPEG2TS_M2TS_OFFSET (4)
#define MPEG2TS_M2TS_SIZE (MPEG2TS_M2TS_OFFSET + MPEG2TS_TS_SIZE)
#define MPEG2TS_PCR90K_BITS (33)
#define MPEG2TS_PCR90K_INVALID (BIT(MPEG2TS_PCR90K_BITS))
#define MPEG2TS_PCR_PID_IGNORE (MSE_CONFIG_PCR_PID_MAX)
#define atomic_dec_not_zero(v) atomic_add_unless((v), -1, 0)
/**
* @brief main data for Adapter
*/
struct mse_adapter {
/** @brief instance used flag */
bool used_f;
/** @brief read-only flag for config */
bool ro_config_f;
/** @brief index */
int index;
/** @brief adapter name */
char name[MSE_NAME_LEN_MAX];
/** @brief type of Adapter */
enum MSE_TYPE type;
/** @brief adapter's private data */
void *private_data;
/** @brief device */
struct device device;
/** @brief configuration data */
struct mse_config config;
};
/** @brief mse state */
enum MSE_STATE {
MSE_STATE_UNDEFINED = 0x00000000,
MSE_STATE_CLOSE = 0x00000001,
MSE_STATE_OPEN = 0x00000002,
MSE_STATE_IDLE = 0x00000004,
MSE_STATE_EXECUTE = 0x00000008,
MSE_STATE_STOPPING = 0x00000010,
MSE_STATE_RUNNABLE = MSE_STATE_IDLE |
MSE_STATE_EXECUTE,
MSE_STATE_STARTED = MSE_STATE_IDLE |
MSE_STATE_EXECUTE |
MSE_STATE_STOPPING,
MSE_STATE_RUNNING = MSE_STATE_EXECUTE |
MSE_STATE_STOPPING,
};
struct timestamp_set {
u64 std;
u64 real;
};
struct timestamp_queue {
const char *name;
bool f_init;
bool f_sync;
bool f_32bit;
bool f_discont;
u32 std_interval;
u64 std_counter;
int sync_count;
int head;
int tail;
int len;
struct timestamp_set timestamps[PTP_TIMESTAMPS_MAX];
};
struct timestamp_reader {
const char *name;
bool f_out_ok;
bool f_32bit;
u64 out_time;
u64 out_std;
u64 out_offset;
struct timestamp_queue *que;
};
struct mse_timing_ctrl {
u64 start_time;
u64 std_start_time;
u32 start_time_count;
u32 send_count;
u64 first_send_time;
u64 std_first_send_time;
u32 captured_timestamps;
u64 last_complete;
bool f_ok;
};
/** @brief transmission buffer */
struct mse_trans_buffer {
/** @brief media buffer of adapter */
void *media_buffer;
/** @brief media buffer for core processing */
u8 *buffer;
/** @brief media buffer size */
size_t buffer_size;
/** @brief processed length of media buffer */
size_t work_length;
/** @brief private data of media adapter */
void *private_data;
/** @brief callback function to media adapter */
int (*mse_completion)(void *priv, int size);
struct list_head list;
};
/** @brief instance by related adapter */
struct mse_instance {
/** @brief instance used flag */
bool used_f;
/** @brief wait for streaming stop */
struct completion completion_stop;
/** @brief instance direction */
bool tx;
/** @brief instance state */
enum MSE_STATE state;
/** @brief spin lock for state */
rwlock_t lock_state;
/** @brief semaphore for stopping process */
struct semaphore sem_stopping;
/** @brief media adapter IDs */
int index_media;
int index_network;
int index_packetizer;
/** @brief media adapter info */
struct mse_adapter *media;
/** @brief network adapter ops */
struct mse_adapter_network_ops *network;
/** @brief packetizer ops */
struct mse_packetizer_ops *packetizer;
enum MSE_PACKETIZER packetizer_id;
/** @brief streaming queue */
struct work_struct wk_stream;
/** @brief paketize queue */
struct work_struct wk_packetize;
/** @brief depaketize queue */
struct work_struct wk_depacketize;
/** @brief callback queue */
struct work_struct wk_callback;
/** @brief timestamp queue */
struct work_struct wk_timestamp;
/** @brief crf send queue */
struct work_struct wk_crf_send;
/** @brief crf receive queue */
struct work_struct wk_crf_receive;
/** @brief start transmission queue */
struct work_struct wk_start_trans;
/** @brief stop streaming queue */
struct work_struct wk_stop_streaming;
/** @brief stream workqueue */
struct workqueue_struct *wq_stream;
/** @brief packet workqueue */
struct workqueue_struct *wq_packet;
/** @brief timestamp workqueue */
struct workqueue_struct *wq_tstamp;
/** @brief crf packet workqueue */
struct workqueue_struct *wq_crf_packet;
/** @brief wait queue for streaming */
wait_queue_head_t wait_wk_stream;
/** @brief spin lock for buffer list */
spinlock_t lock_buf_list;
/** @brief array of transmission buffer */
struct mse_trans_buffer trans_buffer[MSE_TRANS_BUF_NUM];
/** @brief list of transmission buffer is not completed */
struct list_head trans_buf_list;
/** @brief list of transmission buffer for core processing */
struct list_head proc_buf_list;
/** brief index of transmission buffer array */
int trans_idx;
/** brief count of buffers is not completed */
atomic_t trans_buf_cnt;
/** brief count of buffers is completed */
atomic_t done_buf_cnt;
/** @brief timer handler */
struct hrtimer timer;
u64 timer_interval;
/** @brief spin lock for timer count */
spinlock_t lock_timer;
/** @brief timestamp timer handler */
struct hrtimer tstamp_timer;
u64 tstamp_timer_interval;
/** @brief crf timer handler */
struct hrtimer crf_timer;
u64 crf_timer_interval;
/* @brief crf packetizer index */
int crf_index;
int crf_discont;
void *ptp_handle;
void *ptp_timer_handle;
void *mch_handle;
int ptp_index;
int mch_index;
/* @brief timestamp ptp|capture */
spinlock_t lock_ques;
struct timestamp_queue tstamp_que;
struct timestamp_queue tstamp_que_crf;
struct timestamp_queue crf_que;
struct timestamp_queue avtp_que;
struct timestamp_reader reader_create_avtp;
struct timestamp_reader reader_mch;
struct timestamp_reader reader_ptp_start_time;
/** @brief timestamp(nsec) */
u32 timestamp;
/** @brief start timing using ptp_timer */
u64 ptp_timer_start;
/** @brief packet buffer */
struct mse_packet_ctrl *packet_buffer;
/** @brief AVTP timestampes */
u32 avtp_timestamps[CREATE_AVTP_TIMESTAMPS_MAX];
int avtp_timestamps_size;
int avtp_timestamps_current;
/** @brief stopping streaming flag */
bool f_stopping;
/** @brief continue streaming flag */
bool f_continue;
bool f_depacketizing;
bool f_completion;
bool f_trans_start;
bool f_work_timestamp;
bool f_wait_start_transmission;
/** @brief streaming flag */
bool f_streaming;
/** @brief spin lock for streaming flag */
rwlock_t lock_stream;
/** @brief timing control */
struct mse_timing_ctrl timing_ctrl;
/** @brief network configuration */
struct mse_network_config net_config;
struct mse_network_config crf_net_config;
/** @brief media specific configuration */
struct mse_media_config {
struct mse_audio_config audio;
struct mse_video_config video;
struct mse_mpeg2ts_config mpeg2ts;
} media_config;
/** @brief MCH & CRF Settings **/
int f_ptp_capture;
int f_mch_enable;
int ptp_clock_device;
int ptp_clock_ch;
int ptp_capture_freq;
int media_capture_freq;
enum MSE_CRF_TYPE crf_type;
u32 max_transit_time_ns;
u32 delay_time_ns;
int remain;
bool f_present;
bool f_get_first_packet;
u32 first_avtp_timestamp;
/** @brief packet buffer */
int crf_index_network;
struct mse_packet_ctrl *crf_packet_buffer;
bool f_crf_sending;
/** @brief media clock recovery work */
u64 timestamps[PTP_TIMESTAMPS_MAX];
struct mch_timestamp ts[PTP_TIMESTAMPS_MAX];
/** @brief mpeg2ts buffer */
u64 mpeg2ts_pcr_90k;
u64 mpeg2ts_clock_90k;
int mpeg2ts_pre_pcr_pid;
u64 mpeg2ts_pre_pcr_90k;
struct mse_trans_buffer mpeg2ts_buffer[MSE_MPEG2TS_BUF_NUM];
u8 *mpeg2ts_buffer_base;
int mpeg2ts_buffer_idx;
/** @brief audio buffer */
int temp_w;
int temp_r;
unsigned char temp_buffer[MSE_DECODE_BUFFER_NUM][MAX_DECODE_SIZE];
size_t temp_len[MSE_DECODE_BUFFER_NUM];
/** @brief debug */
size_t processed;
};
static int mse_instance_max = MSE_INSTANCE_MAX;
DEFINE_SPINLOCK(packetizer_crf_lock);
struct mse_device {
/** @brief device */
struct platform_device *pdev;
/** @brief device lock */
spinlock_t lock_tables; /* lock for talbes */
/** @brief mutex lock for open */
struct mutex mutex_open;
/* @brief device class */
struct class *class;
struct mse_adapter_network_ops *network_table[MSE_ADAPTER_NETWORK_MAX];
struct mse_adapter media_table[MSE_ADAPTER_MEDIA_MAX];
struct mse_instance instance_table[MSE_INSTANCE_MAX];
struct mse_ptp_ops *ptp_table[MSE_PTP_MAX];
struct mch_ops *mch_table[MSE_MCH_MAX];
};
/* MSE device data */
static struct mse_device *mse;
/*
* module parameters
*/
static int major;
module_param(major, int, 0440);
/*
* function prototypes
*/
static int mse_get_capture_timestamp(struct mse_instance *instance,
u64 now,
bool is_first);
static int tstamps_get_last_timestamp(struct timestamp_queue *que,
struct timestamp_set *ts_set);
/*
* internal functions
*/
/*
* state machine related functions
*/
#define mse_debug_state(instance) __mse_debug_state(__func__, instance)
#if (!MSE_DEBUG_STATE)
static inline void __mse_debug_state(const char *func,
struct mse_instance *instance) { ; }
#else
static inline char *mse_state_stringfy(enum MSE_STATE state)
{
switch (state) {
case MSE_STATE_CLOSE:
return "MSE_STATE_CLOSE";
case MSE_STATE_OPEN:
return "MSE_STATE_OPEN";
case MSE_STATE_IDLE:
return "MSE_STATE_IDLE";
case MSE_STATE_EXECUTE:
return "MSE_STATE_EXECUTE";
case MSE_STATE_STOPPING:
return "MSE_STATE_STOPPING";
default:
return "undefined";
}
}
static inline void __mse_debug_state(const char *func,
struct mse_instance *instance)
{
pr_debug("%s: state=%s flags=[%d %d %d %d %d %d %d]\n",
func, mse_state_stringfy(instance->state),
instance->used_f, instance->f_trans_start,
instance->f_continue, instance->f_depacketizing,
instance->f_stopping, instance->f_completion,
instance->f_wait_start_transmission);
}
#endif
/* @brief Get MSE state from instance without rwlock */
static inline int mse_state_get_nolock(struct mse_instance *instance)
{
return instance->state;
}
/* @brief Get MSE state from instance with rwlock */
static inline int mse_state_get(struct mse_instance *instance)
{
unsigned long flags;
enum MSE_STATE state;
read_lock_irqsave(&instance->lock_state, flags);
state = instance->state;
read_unlock_irqrestore(&instance->lock_state, flags);
return state;
}
/* @brief Test MSE state was contained from 'state' without rwlock */
static inline bool mse_state_test_nolock(struct mse_instance *instance,
enum MSE_STATE state)
{
return !!(mse_state_get_nolock(instance) & state);
}
/* @brief Test MSE state was contained from 'state' with rwlock */
static inline bool mse_state_test(struct mse_instance *instance,
enum MSE_STATE state)
{
return !!(mse_state_get(instance) & state);
}
#define mse_state_change(instance, next) \
__mse_state_change(__func__, instance, next)
static int __mse_state_change(const char *func,
struct mse_instance *instance,
enum MSE_STATE next)
{
int err = 0;
int index_media = instance->index_media;
enum MSE_STATE state;
/**
* | CLOSE OPEN IDLE EXECUTE STOPPING
* ----------|----------------------------------------
* CLOSE | Y Y EPERM EPERM EPERM
* OPEN | Y Y Y EPERM EPERM
* IDLE | EBUSY Y Y Y Y
* EXECUTE | EBUSY EBUSY Y Y Y
* STOPPING | EBUSY Y EBUSY EBUSY Y
*/
state = mse_state_get_nolock(instance);
switch (state) {
case MSE_STATE_CLOSE:
if (next & (MSE_STATE_CLOSE |
MSE_STATE_OPEN)) {
; /* do nothing */
} else {
err = -EPERM;
}
break;
case MSE_STATE_OPEN:
if (next & (MSE_STATE_CLOSE |
MSE_STATE_OPEN |
MSE_STATE_IDLE)) {
; /* do nothing */
} else {
err = -EPERM;
}
break;
case MSE_STATE_IDLE:
if (next & (MSE_STATE_OPEN |
MSE_STATE_IDLE |
MSE_STATE_EXECUTE |
MSE_STATE_STOPPING)) {
; /* do nothing */
} else if (next & MSE_STATE_CLOSE) {
err = -EBUSY;
} else {
err = -EPERM;
}
break;
case MSE_STATE_EXECUTE:
if (next & (MSE_STATE_IDLE |
MSE_STATE_EXECUTE |
MSE_STATE_STOPPING)) {
; /* do nothing */
} else if (next & (MSE_STATE_CLOSE |
MSE_STATE_OPEN)) {
err = -EBUSY;
} else {
err = -EPERM;
}
break;
case MSE_STATE_STOPPING:
if (next & (MSE_STATE_OPEN |
MSE_STATE_STOPPING)) {
; /* do nothing */
} else if (next & (MSE_STATE_CLOSE |
MSE_STATE_IDLE |
MSE_STATE_EXECUTE)) {
err = -EBUSY;
} else {
err = -EPERM;
}
break;
default:
err = -EPERM;
break;
}
if (!err)
instance->state = next;
else if (err == -EPERM)
pr_err("%s: index=%d: operation is not permitted\n",
func, index_media);
else if (err == -EBUSY)
pr_err("%s: index=%d: instance is busy\n", func, index_media);
else
pr_err("%s: index=%d: unknown error\n", func, index_media);
#if (MSE_DEBUG_STATE)
pr_debug("%s: index=%d state=%s->%s %s\n",
func,
index_media,
(err) ? "failure" : "success",
mse_state_stringfy(state),
mse_state_stringfy(next));
#endif
WARN_ON(err);
return err;
}
#define mse_state_change_if(instance, next, test_state) \
__mse_state_change_if(__func__, instance, next, test_state)
static int __mse_state_change_if(const char *func,
struct mse_instance *instance,
enum MSE_STATE next,
int test_state)
{
enum MSE_STATE state;
state = mse_state_get_nolock(instance);
if (!(state & test_state))
return 0;
return __mse_state_change(func, instance, next);
}
static bool compare_pcr(u64 a, u64 b)
{
u64 diff;
diff = (a - b) & (BIT(MPEG2TS_PCR90K_BITS) - 1);
return (diff < BIT(MPEG2TS_PCR90K_BITS - 1));
}
#if !(defined(CONFIG_MSE_SYSFS) || defined(CONFIG_MSE_IOCTL))
static inline int mse_create_config_device(int index_media) { return 0; }
static inline int mse_delete_config_device(int index_media) { return 0; }
#else
static void mse_device_release(struct device *dev)
{
mse_debug("do noting\n");
}
static int mse_create_config_device(int index_media)
{
struct device *device;
struct mse_adapter *adapter = &mse->media_table[index_media];
int err;
mse_debug("index=%d\n", index_media);
err = mse_ioctl_register(index_media);
if (err < 0)
return -EPERM;
/* initialize device */
device = &adapter->device;
device->devt = MKDEV(major, index_media);
device->class = mse->class;
device->release = mse_device_release;
mse_sysfs_set_device_groups(device, adapter->config.info.type);
dev_set_name(device, "mse%d", index_media);
err = device_register(device);
if (err) {
mse_err("failed device_register() mse%d\n", index_media);
mse_ioctl_unregister(index_media);
memset(&adapter->device, 0, sizeof(struct device));
return err;
}
return 0;
}
static int mse_delete_config_device(int index_media)
{
struct mse_adapter *adapter;
mse_debug("START\n");
adapter = &mse->media_table[index_media];
mse_ioctl_unregister(index_media);
device_unregister(&adapter->device);
memset(&adapter->device, 0, sizeof(struct device));
return 0;
}
#endif
static int mse_get_default_config(int index, struct mse_instance *instance)
{
int ret = 0, err;
struct mse_network_config *network = &instance->net_config;
struct mse_network_config *crf_network = &instance->crf_net_config;
struct mse_video_config *video = &instance->media_config.video;
struct mse_audio_config *audio = &instance->media_config.audio;
struct mse_mpeg2ts_config *mpeg2ts = &instance->media_config.mpeg2ts;
struct mse_avtp_tx_param avtp_tx_param;
struct mse_avtp_rx_param avtp_rx_param;
struct mse_media_video_config video_config;
struct mse_media_mpeg2ts_config mpeg2ts_config;
struct mse_media_audio_config audio_config;
struct mse_ptp_config ptp_config;
struct mse_mch_config mch_config;
struct mse_avtp_tx_param crf_tx;
struct mse_avtp_rx_param crf_rx;
struct mse_delay_time delay_time;
err = mse_config_get_avtp_tx_param(index, &avtp_tx_param);
if (err < 0) {
mse_err("undefined avtp_tx_param\n");
ret = -EPERM;
}
memcpy(network->dest_addr, avtp_tx_param.dst_mac,
sizeof(network->dest_addr));
memcpy(network->source_addr, avtp_tx_param.src_mac,
sizeof(network->source_addr));
network->priority = avtp_tx_param.priority;
network->vlanid = avtp_tx_param.vlan;
network->uniqueid = avtp_tx_param.uniqueid;
err = mse_config_get_avtp_rx_param(index, &avtp_rx_param);
if (err < 0) {
mse_err("undefined avtp_rx_param\n");
ret = -EPERM;
}
memcpy(network->streamid, avtp_rx_param.streamid,
sizeof(network->streamid));
switch (instance->media->type) {
case MSE_TYPE_ADAPTER_VIDEO:
err = mse_config_get_media_video_config(index,
&video_config);
if (err < 0) {
mse_err("undefined media_video_config\n");
ret = -EPERM;
}
video->fps.numerator = video_config.fps_numerator;
video->fps.denominator = video_config.fps_denominator;
video->bitrate = video_config.bitrate;
video->bytes_per_frame = video_config.bytes_per_frame;
err = mse_config_get_delay_time(index,
&delay_time);
instance->max_transit_time_ns = delay_time.max_transit_time_ns;
break;
case MSE_TYPE_ADAPTER_MPEG2TS:
err = mse_config_get_media_mpeg2ts_config(index,
&mpeg2ts_config);
if (err < 0) {
mse_err("undefined media_mpeg2ts_config\n");
ret = -EPERM;
}
mpeg2ts->tspackets_per_frame =
mpeg2ts_config.tspackets_per_frame;
mpeg2ts->bitrate = mpeg2ts_config.bitrate;
mpeg2ts->pcr_pid = mpeg2ts_config.pcr_pid;
err = mse_config_get_delay_time(index,
&delay_time);
instance->max_transit_time_ns = delay_time.max_transit_time_ns;
break;
case MSE_TYPE_ADAPTER_AUDIO:
err = mse_config_get_media_audio_config(index,
&audio_config);
if (err < 0) {
mse_err("undefined audio config\n");
ret = -EPERM;
}
audio->samples_per_frame = audio_config.samples_per_frame;
err = mse_config_get_ptp_config(index,
&ptp_config);
instance->ptp_clock_device = 0;
instance->f_ptp_capture =
(ptp_config.type == MSE_PTP_TYPE_CAPTURE);
instance->ptp_clock_ch = ptp_config.capture_ch;
instance->ptp_capture_freq = ptp_config.capture_freq;
err = mse_config_get_mch_config(index,
&mch_config);
instance->f_mch_enable = mch_config.enable;
instance->crf_type = audio_config.crf_type;
instance->media_capture_freq =
(ptp_config.recovery_capture_freq ==
MSE_RECOVERY_CAPTURE_FREQ_NOT_FIXED);
err = mse_config_get_avtp_tx_param_crf(index,
&crf_tx);
memcpy(crf_network->dest_addr, crf_tx.dst_mac,
sizeof(crf_network->dest_addr));
memcpy(crf_network->source_addr, crf_tx.src_mac,
sizeof(crf_network->source_addr));
crf_network->priority = crf_tx.priority;
crf_network->vlanid = crf_tx.vlan;
crf_network->uniqueid = crf_tx.uniqueid;
err = mse_config_get_avtp_rx_param_crf(index,
&crf_rx);
memcpy(crf_network->streamid, crf_rx.streamid,
sizeof(crf_network->streamid));
err = mse_config_get_delay_time(index,
&delay_time);
instance->max_transit_time_ns = delay_time.max_transit_time_ns;
if (instance->tx)
instance->delay_time_ns = delay_time.tx_delay_time_ns;
else
instance->delay_time_ns = delay_time.rx_delay_time_ns;
break;
default:
/* fall through */
break;
}
return ret;
}
/*
* PTP related functions
*/
static struct mse_ptp_ops mse_ptp_ops_dummy = {
.get_time = mse_ptp_get_time_dummy,
.open = mse_ptp_open_dummy,
.close = mse_ptp_close_dummy,
.capture_start = mse_ptp_capture_start_dummy,
.capture_stop = mse_ptp_capture_stop_dummy,
.get_timestamps = mse_ptp_get_timestamps_dummy,
.timer_open = mse_ptp_timer_open_dummy,
.timer_close = mse_ptp_timer_close_dummy,
.timer_start = mse_ptp_timer_start_dummy,
.timer_cancel = mse_ptp_timer_cancel_dummy,
};
static int mse_ptp_get_first_index(void)
{
int i;
for (i = 0; i < MSE_PTP_MAX; i++)
if (mse->ptp_table[i])
return i;
return MSE_INDEX_UNDEFINED; /* not found, use dummy ops */
}
static struct mse_ptp_ops *mse_ptp_find_ops(int index)
{
if ((index < 0) || (index >= MSE_PTP_MAX))
return &mse_ptp_ops_dummy;
else
return mse->ptp_table[index];
}
static int mse_ptp_get_time(int index, u64 *ns)
{
struct mse_ptp_ops *p_ops = mse_ptp_find_ops(index);
return p_ops->get_time(ns);
}
static void *mse_ptp_open(int index)
{
struct mse_ptp_ops *p_ops = mse_ptp_find_ops(index);
return p_ops->open();
}
static int mse_ptp_close(int index, void *ptp_handle)
{
struct mse_ptp_ops *p_ops = mse_ptp_find_ops(index);
return p_ops->close(ptp_handle);
}
static int mse_ptp_capture_start(int index, void *ptp_handle, int ch,
int max_count)
{
struct mse_ptp_ops *p_ops = mse_ptp_find_ops(index);
return p_ops->capture_start(ptp_handle, ch, max_count);
}
static int mse_ptp_capture_stop(int index, void *ptp_handle)
{
struct mse_ptp_ops *p_ops = mse_ptp_find_ops(index);
return p_ops->capture_stop(ptp_handle);
}
static int mse_ptp_get_timestamps(int index,
void *ptp_handle,
int req_count,
u64 *timestamps)
{
struct mse_ptp_ops *p_ops = mse_ptp_find_ops(index);
return p_ops->get_timestamps(ptp_handle,
req_count,
timestamps);
}
static void *mse_ptp_timer_open(int index, u32 (*handler)(void *priv),
void *priv)