// SPDX-License-Identifier: GPL-2.0-or-later /* * driver for the SAA7146 based AV110 cards * - audio and video MPEG decoder stuff * * Copyright (C) 1999-2002 Ralph Metzler * & Marcus Metzler for convergence integrated media GmbH * * originally based on code by: * Copyright (C) 1998,1999 Christian Theiss <[email protected]> * * the project's page is at https://linuxtv.org */ #include <linux/ethtool.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/string.h> #include <linux/delay.h> #include <linux/fs.h> #include "av7110.h" #include "av7110_hw.h" #include "av7110_av.h" #include "av7110_ipack.h" /* MPEG-2 (ISO 13818 / H.222.0) stream types */ #define PROG_STREAM_MAP … #define PRIVATE_STREAM1 … #define PADDING_STREAM … #define PRIVATE_STREAM2 … #define AUDIO_STREAM_S … #define AUDIO_STREAM_E … #define VIDEO_STREAM_S … #define VIDEO_STREAM_E … #define ECM_STREAM … #define EMM_STREAM … #define DSM_CC_STREAM … #define ISO13522_STREAM … #define PROG_STREAM_DIR … #define PTS_DTS_FLAGS … //pts_dts flags #define PTS_ONLY … #define PTS_DTS … #define TS_SIZE … #define TRANS_ERROR … #define PAY_START … #define TRANS_PRIO … #define PID_MASK_HI … //flags #define TRANS_SCRMBL1 … #define TRANS_SCRMBL2 … #define ADAPT_FIELD … #define PAYLOAD … #define COUNT_MASK … // adaptation flags #define DISCON_IND … #define RAND_ACC_IND … #define ES_PRI_IND … #define PCR_FLAG … #define OPCR_FLAG … #define SPLICE_FLAG … #define TRANS_PRIV … #define ADAP_EXT_FLAG … // adaptation extension flags #define LTW_FLAG … #define PIECE_RATE … #define SEAM_SPLICE … static void p_to_t(u8 const *buf, long length, u16 pid, u8 *counter, struct dvb_demux_feed *feed); static int write_ts_to_decoder(struct av7110 *av7110, int type, const u8 *buf, size_t len); int av7110_record_cb(struct dvb_filter_pes2ts *p2t, u8 *buf, size_t len) { … } static int dvb_filter_pes2ts_cb(void *priv, unsigned char *data) { … } int av7110_av_start_record(struct av7110 *av7110, int av, struct dvb_demux_feed *dvbdmxfeed) { … } int av7110_av_start_play(struct av7110 *av7110, int av) { … } int av7110_av_stop(struct av7110 *av7110, int av) { … } int av7110_pes_play(void *dest, struct dvb_ringbuffer *buf, int dlen) { … } int av7110_set_volume(struct av7110 *av7110, unsigned int volleft, unsigned int volright) { … } int av7110_set_vidmode(struct av7110 *av7110, enum av7110_video_mode mode) { … } static enum av7110_video_mode sw2mode[16] = …; static int get_video_format(struct av7110 *av7110, u8 *buf, int count) { … } /**************************************************************************** * I/O buffer management and control ****************************************************************************/ static inline long aux_ring_buffer_write(struct dvb_ringbuffer *rbuf, const u8 *buf, unsigned long count) { … } static void play_video_cb(u8 *buf, int count, void *priv) { … } static void play_audio_cb(u8 *buf, int count, void *priv) { … } #define FREE_COND_TS … static ssize_t ts_play(struct av7110 *av7110, const char __user *buf, unsigned long count, int nonblock, int type) { … } #define FREE_COND … static ssize_t dvb_play(struct av7110 *av7110, const char __user *buf, unsigned long count, int nonblock, int type) { … } static ssize_t dvb_play_kernel(struct av7110 *av7110, const u8 *buf, unsigned long count, int nonblock, int type) { … } static ssize_t dvb_aplay(struct av7110 *av7110, const char __user *buf, unsigned long count, int nonblock, int type) { … } void av7110_p2t_init(struct av7110_p2t *p, struct dvb_demux_feed *feed) { … } static void clear_p2t(struct av7110_p2t *p) { … } static int find_pes_header(u8 const *buf, long length, int *frags) { … } void av7110_p2t_write(u8 const *buf, long length, u16 pid, struct av7110_p2t *p) { … } static int write_ts_header2(u16 pid, u8 *counter, int pes_start, u8 *buf, u8 length) { … } static void p_to_t(u8 const *buf, long length, u16 pid, u8 *counter, struct dvb_demux_feed *feed) { … } static int write_ts_to_decoder(struct av7110 *av7110, int type, const u8 *buf, size_t len) { … } int av7110_write_to_decoder(struct dvb_demux_feed *feed, const u8 *buf, size_t len) { … } /****************************************************************************** * Video MPEG decoder events ******************************************************************************/ void dvb_video_add_event(struct av7110 *av7110, struct video_event *event) { … } static int dvb_video_get_event(struct av7110 *av7110, struct video_event *event, int flags) { … } /****************************************************************************** * DVB device file operations ******************************************************************************/ static __poll_t dvb_video_poll(struct file *file, poll_table *wait) { … } static ssize_t dvb_video_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { … } static __poll_t dvb_audio_poll(struct file *file, poll_table *wait) { … } static ssize_t dvb_audio_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { … } static u8 iframe_header[] = …; #define MIN_IFRAME … static int play_iframe(struct av7110 *av7110, char __user *buf, unsigned int len, int nonblock) { … } #ifdef CONFIG_COMPAT struct compat_video_still_picture { … }; #define VIDEO_STILLPICTURE32 … struct compat_video_event { … }; #define VIDEO_GET_EVENT32 … static int dvb_compat_video_get_event(struct av7110 *av7110, struct compat_video_event *event, int flags) { … } #endif static int dvb_video_ioctl(struct file *file, unsigned int cmd, void *parg) { … } static int dvb_audio_ioctl(struct file *file, unsigned int cmd, void *parg) { … } static int dvb_video_open(struct inode *inode, struct file *file) { … } static int dvb_video_release(struct inode *inode, struct file *file) { … } static int dvb_audio_open(struct inode *inode, struct file *file) { … } static int dvb_audio_release(struct inode *inode, struct file *file) { … } /****************************************************************************** * driver registration ******************************************************************************/ static const struct file_operations dvb_video_fops = …; static struct dvb_device dvbdev_video = …; static const struct file_operations dvb_audio_fops = …; static struct dvb_device dvbdev_audio = …; int av7110_av_register(struct av7110 *av7110) { … } void av7110_av_unregister(struct av7110 *av7110) { … } int av7110_av_init(struct av7110 *av7110) { … } void av7110_av_exit(struct av7110 *av7110) { … }
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