 0e957becc3
			
		
	
	
	0e957becc3
	
	
	
		
			
			Since av7110.c is the only file actually using something from this header, there's no reson for other files to Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
		
			
				
	
	
		
			1525 lines
		
	
	
	
		
			37 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			1525 lines
		
	
	
	
		
			37 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * av7110_av.c: 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 <mistert@rz.fh-augsburg.de>
 | |
|  *
 | |
|  * 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.
 | |
|  *
 | |
|  *
 | |
|  * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 | |
|  * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
 | |
|  *
 | |
|  *
 | |
|  * the project's page is at http://www.linuxtv.org/dvb/
 | |
|  */
 | |
| 
 | |
| #include <linux/types.h>
 | |
| #include <linux/kernel.h>
 | |
| #include <linux/string.h>
 | |
| #include <linux/sched.h>
 | |
| #include <linux/delay.h>
 | |
| #include <linux/smp_lock.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  0xBC
 | |
| #define PRIVATE_STREAM1  0xBD
 | |
| #define PADDING_STREAM	 0xBE
 | |
| #define PRIVATE_STREAM2  0xBF
 | |
| #define AUDIO_STREAM_S	 0xC0
 | |
| #define AUDIO_STREAM_E	 0xDF
 | |
| #define VIDEO_STREAM_S	 0xE0
 | |
| #define VIDEO_STREAM_E	 0xEF
 | |
| #define ECM_STREAM	 0xF0
 | |
| #define EMM_STREAM	 0xF1
 | |
| #define DSM_CC_STREAM	 0xF2
 | |
| #define ISO13522_STREAM  0xF3
 | |
| #define PROG_STREAM_DIR  0xFF
 | |
| 
 | |
| #define PTS_DTS_FLAGS	 0xC0
 | |
| 
 | |
| //pts_dts flags
 | |
| #define PTS_ONLY	 0x80
 | |
| #define PTS_DTS		 0xC0
 | |
| #define TS_SIZE		 188
 | |
| #define TRANS_ERROR	 0x80
 | |
| #define PAY_START	 0x40
 | |
| #define TRANS_PRIO	 0x20
 | |
| #define PID_MASK_HI	 0x1F
 | |
| //flags
 | |
| #define TRANS_SCRMBL1	 0x80
 | |
| #define TRANS_SCRMBL2	 0x40
 | |
| #define ADAPT_FIELD	 0x20
 | |
| #define PAYLOAD		 0x10
 | |
| #define COUNT_MASK	 0x0F
 | |
| 
 | |
| // adaptation flags
 | |
| #define DISCON_IND	 0x80
 | |
| #define RAND_ACC_IND	 0x40
 | |
| #define ES_PRI_IND	 0x20
 | |
| #define PCR_FLAG	 0x10
 | |
| #define OPCR_FLAG	 0x08
 | |
| #define SPLICE_FLAG	 0x04
 | |
| #define TRANS_PRIV	 0x02
 | |
| #define ADAP_EXT_FLAG	 0x01
 | |
| 
 | |
| // adaptation extension flags
 | |
| #define LTW_FLAG	 0x80
 | |
| #define PIECE_RATE	 0x40
 | |
| #define SEAM_SPLICE	 0x20
 | |
| 
 | |
| 
 | |
| static void p_to_t(u8 const *buf, long int length, u16 pid,
 | |
| 		   u8 *counter, struct dvb_demux_feed *feed);
 | |
| 
 | |
| 
 | |
| int av7110_record_cb(struct dvb_filter_pes2ts *p2t, u8 *buf, size_t len)
 | |
| {
 | |
| 	struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *) p2t->priv;
 | |
| 
 | |
| 	if (!(dvbdmxfeed->ts_type & TS_PACKET))
 | |
| 		return 0;
 | |
| 	if (buf[3] == 0xe0)	 // video PES do not have a length in TS
 | |
| 		buf[4] = buf[5] = 0;
 | |
| 	if (dvbdmxfeed->ts_type & TS_PAYLOAD_ONLY)
 | |
| 		return dvbdmxfeed->cb.ts(buf, len, NULL, 0,
 | |
| 					 &dvbdmxfeed->feed.ts, DMX_OK);
 | |
| 	else
 | |
| 		return dvb_filter_pes2ts(p2t, buf, len, 1);
 | |
| }
 | |
| 
 | |
| static int dvb_filter_pes2ts_cb(void *priv, unsigned char *data)
 | |
| {
 | |
| 	struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *) priv;
 | |
| 
 | |
| 	dvbdmxfeed->cb.ts(data, 188, NULL, 0,
 | |
| 			  &dvbdmxfeed->feed.ts, DMX_OK);
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| int av7110_av_start_record(struct av7110 *av7110, int av,
 | |
| 			   struct dvb_demux_feed *dvbdmxfeed)
 | |
| {
 | |
| 	int ret = 0;
 | |
| 	struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
 | |
| 
 | |
| 	dprintk(2, "av7110:%p, , dvb_demux_feed:%p\n", av7110, dvbdmxfeed);
 | |
| 
 | |
| 	if (av7110->playing || (av7110->rec_mode & av))
 | |
| 		return -EBUSY;
 | |
| 	av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
 | |
| 	dvbdmx->recording = 1;
 | |
| 	av7110->rec_mode |= av;
 | |
| 
 | |
| 	switch (av7110->rec_mode) {
 | |
| 	case RP_AUDIO:
 | |
| 		dvb_filter_pes2ts_init(&av7110->p2t[0],
 | |
| 				       dvbdmx->pesfilter[0]->pid,
 | |
| 				       dvb_filter_pes2ts_cb,
 | |
| 				       (void *) dvbdmx->pesfilter[0]);
 | |
| 		ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, AudioPES, 0);
 | |
| 		break;
 | |
| 
 | |
| 	case RP_VIDEO:
 | |
| 		dvb_filter_pes2ts_init(&av7110->p2t[1],
 | |
| 				       dvbdmx->pesfilter[1]->pid,
 | |
| 				       dvb_filter_pes2ts_cb,
 | |
| 				       (void *) dvbdmx->pesfilter[1]);
 | |
| 		ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, VideoPES, 0);
 | |
| 		break;
 | |
| 
 | |
| 	case RP_AV:
 | |
| 		dvb_filter_pes2ts_init(&av7110->p2t[0],
 | |
| 				       dvbdmx->pesfilter[0]->pid,
 | |
| 				       dvb_filter_pes2ts_cb,
 | |
| 				       (void *) dvbdmx->pesfilter[0]);
 | |
| 		dvb_filter_pes2ts_init(&av7110->p2t[1],
 | |
| 				       dvbdmx->pesfilter[1]->pid,
 | |
| 				       dvb_filter_pes2ts_cb,
 | |
| 				       (void *) dvbdmx->pesfilter[1]);
 | |
| 		ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, AV_PES, 0);
 | |
| 		break;
 | |
| 	}
 | |
| 	return ret;
 | |
| }
 | |
| 
 | |
| int av7110_av_start_play(struct av7110 *av7110, int av)
 | |
| {
 | |
| 	int ret = 0;
 | |
| 	dprintk(2, "av7110:%p, \n", av7110);
 | |
| 
 | |
| 	if (av7110->rec_mode)
 | |
| 		return -EBUSY;
 | |
| 	if (av7110->playing & av)
 | |
| 		return -EBUSY;
 | |
| 
 | |
| 	av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
 | |
| 
 | |
| 	if (av7110->playing == RP_NONE) {
 | |
| 		av7110_ipack_reset(&av7110->ipack[0]);
 | |
| 		av7110_ipack_reset(&av7110->ipack[1]);
 | |
| 	}
 | |
| 
 | |
| 	av7110->playing |= av;
 | |
| 	switch (av7110->playing) {
 | |
| 	case RP_AUDIO:
 | |
| 		ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, AudioPES, 0);
 | |
| 		break;
 | |
| 	case RP_VIDEO:
 | |
| 		ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, VideoPES, 0);
 | |
| 		av7110->sinfo = 0;
 | |
| 		break;
 | |
| 	case RP_AV:
 | |
| 		av7110->sinfo = 0;
 | |
| 		ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, AV_PES, 0);
 | |
| 		break;
 | |
| 	}
 | |
| 	if (!ret)
 | |
| 		ret = av7110->playing;
 | |
| 	return ret;
 | |
| }
 | |
| 
 | |
| int av7110_av_stop(struct av7110 *av7110, int av)
 | |
| {
 | |
| 	int ret = 0;
 | |
| 	dprintk(2, "av7110:%p, \n", av7110);
 | |
| 
 | |
| 	if (!(av7110->playing & av) && !(av7110->rec_mode & av))
 | |
| 		return 0;
 | |
| 	av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
 | |
| 	if (av7110->playing) {
 | |
| 		av7110->playing &= ~av;
 | |
| 		switch (av7110->playing) {
 | |
| 		case RP_AUDIO:
 | |
| 			ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, AudioPES, 0);
 | |
| 			break;
 | |
| 		case RP_VIDEO:
 | |
| 			ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, VideoPES, 0);
 | |
| 			break;
 | |
| 		case RP_NONE:
 | |
| 			ret = av7110_set_vidmode(av7110, av7110->vidmode);
 | |
| 			break;
 | |
| 		}
 | |
| 	} else {
 | |
| 		av7110->rec_mode &= ~av;
 | |
| 		switch (av7110->rec_mode) {
 | |
| 		case RP_AUDIO:
 | |
| 			ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, AudioPES, 0);
 | |
| 			break;
 | |
| 		case RP_VIDEO:
 | |
| 			ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, VideoPES, 0);
 | |
| 			break;
 | |
| 		case RP_NONE:
 | |
| 			break;
 | |
| 		}
 | |
| 	}
 | |
| 	return ret;
 | |
| }
 | |
| 
 | |
| 
 | |
| int av7110_pes_play(void *dest, struct dvb_ringbuffer *buf, int dlen)
 | |
| {
 | |
| 	int len;
 | |
| 	u32 sync;
 | |
| 	u16 blen;
 | |
| 
 | |
| 	if (!dlen) {
 | |
| 		wake_up(&buf->queue);
 | |
| 		return -1;
 | |
| 	}
 | |
| 	while (1) {
 | |
| 		if ((len = dvb_ringbuffer_avail(buf)) < 6)
 | |
| 			return -1;
 | |
| 		sync =  DVB_RINGBUFFER_PEEK(buf, 0) << 24;
 | |
| 		sync |= DVB_RINGBUFFER_PEEK(buf, 1) << 16;
 | |
| 		sync |= DVB_RINGBUFFER_PEEK(buf, 2) << 8;
 | |
| 		sync |= DVB_RINGBUFFER_PEEK(buf, 3);
 | |
| 
 | |
| 		if (((sync &~ 0x0f) == 0x000001e0) ||
 | |
| 		    ((sync &~ 0x1f) == 0x000001c0) ||
 | |
| 		    (sync == 0x000001bd))
 | |
| 			break;
 | |
| 		printk("resync\n");
 | |
| 		DVB_RINGBUFFER_SKIP(buf, 1);
 | |
| 	}
 | |
| 	blen =  DVB_RINGBUFFER_PEEK(buf, 4) << 8;
 | |
| 	blen |= DVB_RINGBUFFER_PEEK(buf, 5);
 | |
| 	blen += 6;
 | |
| 	if (len < blen || blen > dlen) {
 | |
| 		//printk("buffer empty - avail %d blen %u dlen %d\n", len, blen, dlen);
 | |
| 		wake_up(&buf->queue);
 | |
| 		return -1;
 | |
| 	}
 | |
| 
 | |
| 	dvb_ringbuffer_read(buf, dest, (size_t) blen, 0);
 | |
| 
 | |
| 	dprintk(2, "pread=0x%08lx, pwrite=0x%08lx\n",
 | |
| 	       (unsigned long) buf->pread, (unsigned long) buf->pwrite);
 | |
| 	wake_up(&buf->queue);
 | |
| 	return blen;
 | |
| }
 | |
| 
 | |
| 
 | |
| int av7110_set_volume(struct av7110 *av7110, int volleft, int volright)
 | |
| {
 | |
| 	int err, vol, val, balance = 0;
 | |
| 
 | |
| 	dprintk(2, "av7110:%p, \n", av7110);
 | |
| 
 | |
| 	av7110->mixer.volume_left = volleft;
 | |
| 	av7110->mixer.volume_right = volright;
 | |
| 
 | |
| 	switch (av7110->adac_type) {
 | |
| 	case DVB_ADAC_TI:
 | |
| 		volleft = (volleft * 256) / 1036;
 | |
| 		volright = (volright * 256) / 1036;
 | |
| 		if (volleft > 0x3f)
 | |
| 			volleft = 0x3f;
 | |
| 		if (volright > 0x3f)
 | |
| 			volright = 0x3f;
 | |
| 		if ((err = SendDAC(av7110, 3, 0x80 + volleft)))
 | |
| 			return err;
 | |
| 		return SendDAC(av7110, 4, volright);
 | |
| 
 | |
| 	case DVB_ADAC_CRYSTAL:
 | |
| 		volleft = 127 - volleft / 2;
 | |
| 		volright = 127 - volright / 2;
 | |
| 		i2c_writereg(av7110, 0x20, 0x03, volleft);
 | |
| 		i2c_writereg(av7110, 0x20, 0x04, volright);
 | |
| 		return 0;
 | |
| 
 | |
| 	case DVB_ADAC_MSP34x0:
 | |
| 		vol  = (volleft > volright) ? volleft : volright;
 | |
| 		val	= (vol * 0x73 / 255) << 8;
 | |
| 		if (vol > 0)
 | |
| 		       balance = ((volright - volleft) * 127) / vol;
 | |
| 		msp_writereg(av7110, MSP_WR_DSP, 0x0001, balance << 8);
 | |
| 		msp_writereg(av7110, MSP_WR_DSP, 0x0000, val); /* loudspeaker */
 | |
| 		msp_writereg(av7110, MSP_WR_DSP, 0x0006, val); /* headphonesr */
 | |
| 		return 0;
 | |
| 
 | |
| 	case DVB_ADAC_MSP34x5:
 | |
| 		vol = (volleft > volright) ? volleft : volright;
 | |
| 		val = (vol * 0x73 / 255) << 8;
 | |
| 		if (vol > 0)
 | |
| 			balance = ((volright - volleft) * 127) / vol;
 | |
| 		msp_writereg(av7110, MSP_WR_DSP, 0x0001, balance << 8);
 | |
| 		msp_writereg(av7110, MSP_WR_DSP, 0x0000, val); /* loudspeaker */
 | |
| 		return 0;
 | |
| 	}
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| int av7110_set_vidmode(struct av7110 *av7110, int mode)
 | |
| {
 | |
| 	int ret;
 | |
| 	dprintk(2, "av7110:%p, \n", av7110);
 | |
| 
 | |
| 	ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, LoadVidCode, 1, mode);
 | |
| 
 | |
| 	if (!ret && !av7110->playing) {
 | |
| 		ret = ChangePIDs(av7110, av7110->pids[DMX_PES_VIDEO],
 | |
| 			   av7110->pids[DMX_PES_AUDIO],
 | |
| 			   av7110->pids[DMX_PES_TELETEXT],
 | |
| 			   0, av7110->pids[DMX_PES_PCR]);
 | |
| 		if (!ret)
 | |
| 			ret = av7110_fw_cmd(av7110, COMTYPE_PIDFILTER, Scan, 0);
 | |
| 	}
 | |
| 	return ret;
 | |
| }
 | |
| 
 | |
| 
 | |
| static int sw2mode[16] = {
 | |
| 	VIDEO_MODE_PAL, VIDEO_MODE_NTSC, VIDEO_MODE_NTSC, VIDEO_MODE_PAL,
 | |
| 	VIDEO_MODE_NTSC, VIDEO_MODE_NTSC, VIDEO_MODE_PAL, VIDEO_MODE_NTSC,
 | |
| 	VIDEO_MODE_PAL, VIDEO_MODE_PAL, VIDEO_MODE_PAL, VIDEO_MODE_PAL,
 | |
| 	VIDEO_MODE_PAL, VIDEO_MODE_PAL, VIDEO_MODE_PAL, VIDEO_MODE_PAL,
 | |
| };
 | |
| 
 | |
| static int get_video_format(struct av7110 *av7110, u8 *buf, int count)
 | |
| {
 | |
| 	int i;
 | |
| 	int hsize, vsize;
 | |
| 	int sw;
 | |
| 	u8 *p;
 | |
| 	int ret = 0;
 | |
| 
 | |
| 	dprintk(2, "av7110:%p, \n", av7110);
 | |
| 
 | |
| 	if (av7110->sinfo)
 | |
| 		return 0;
 | |
| 	for (i = 7; i < count - 10; i++) {
 | |
| 		p = buf + i;
 | |
| 		if (p[0] || p[1] || p[2] != 0x01 || p[3] != 0xb3)
 | |
| 			continue;
 | |
| 		p += 4;
 | |
| 		hsize = ((p[1] &0xF0) >> 4) | (p[0] << 4);
 | |
| 		vsize = ((p[1] &0x0F) << 8) | (p[2]);
 | |
| 		sw = (p[3] & 0x0F);
 | |
| 		ret = av7110_set_vidmode(av7110, sw2mode[sw]);
 | |
| 		if (!ret) {
 | |
| 			dprintk(2, "playback %dx%d fr=%d\n", hsize, vsize, sw);
 | |
| 			av7110->sinfo = 1;
 | |
| 		}
 | |
| 		break;
 | |
| 	}
 | |
| 	return ret;
 | |
| }
 | |
| 
 | |
| 
 | |
| /****************************************************************************
 | |
|  * I/O buffer management and control
 | |
|  ****************************************************************************/
 | |
| 
 | |
| static inline long aux_ring_buffer_write(struct dvb_ringbuffer *rbuf,
 | |
| 					 const char *buf, unsigned long count)
 | |
| {
 | |
| 	unsigned long todo = count;
 | |
| 	int free;
 | |
| 
 | |
| 	while (todo > 0) {
 | |
| 		if (dvb_ringbuffer_free(rbuf) < 2048) {
 | |
| 			if (wait_event_interruptible(rbuf->queue,
 | |
| 						     (dvb_ringbuffer_free(rbuf) >= 2048)))
 | |
| 				return count - todo;
 | |
| 		}
 | |
| 		free = dvb_ringbuffer_free(rbuf);
 | |
| 		if (free > todo)
 | |
| 			free = todo;
 | |
| 		dvb_ringbuffer_write(rbuf, buf, free);
 | |
| 		todo -= free;
 | |
| 		buf += free;
 | |
| 	}
 | |
| 
 | |
| 	return count - todo;
 | |
| }
 | |
| 
 | |
| static void play_video_cb(u8 *buf, int count, void *priv)
 | |
| {
 | |
| 	struct av7110 *av7110 = (struct av7110 *) priv;
 | |
| 	dprintk(2, "av7110:%p, \n", av7110);
 | |
| 
 | |
| 	if ((buf[3] & 0xe0) == 0xe0) {
 | |
| 		get_video_format(av7110, buf, count);
 | |
| 		aux_ring_buffer_write(&av7110->avout, buf, count);
 | |
| 	} else
 | |
| 		aux_ring_buffer_write(&av7110->aout, buf, count);
 | |
| }
 | |
| 
 | |
| static void play_audio_cb(u8 *buf, int count, void *priv)
 | |
| {
 | |
| 	struct av7110 *av7110 = (struct av7110 *) priv;
 | |
| 	dprintk(2, "av7110:%p, \n", av7110);
 | |
| 
 | |
| 	aux_ring_buffer_write(&av7110->aout, buf, count);
 | |
| }
 | |
| 
 | |
| #define FREE_COND (dvb_ringbuffer_free(&av7110->avout) >= 20 * 1024 && \
 | |
| 		   dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)
 | |
| 
 | |
| static ssize_t dvb_play(struct av7110 *av7110, const u8 __user *buf,
 | |
| 			unsigned long count, int nonblock, int type)
 | |
| {
 | |
| 	unsigned long todo = count, n;
 | |
| 	dprintk(2, "av7110:%p, \n", av7110);
 | |
| 
 | |
| 	if (!av7110->kbuf[type])
 | |
| 		return -ENOBUFS;
 | |
| 
 | |
| 	if (nonblock && !FREE_COND)
 | |
| 		return -EWOULDBLOCK;
 | |
| 
 | |
| 	while (todo > 0) {
 | |
| 		if (!FREE_COND) {
 | |
| 			if (nonblock)
 | |
| 				return count - todo;
 | |
| 			if (wait_event_interruptible(av7110->avout.queue,
 | |
| 						     FREE_COND))
 | |
| 				return count - todo;
 | |
| 		}
 | |
| 		n = todo;
 | |
| 		if (n > IPACKS * 2)
 | |
| 			n = IPACKS * 2;
 | |
| 		if (copy_from_user(av7110->kbuf[type], buf, n))
 | |
| 			return -EFAULT;
 | |
| 		av7110_ipack_instant_repack(av7110->kbuf[type], n,
 | |
| 					    &av7110->ipack[type]);
 | |
| 		todo -= n;
 | |
| 		buf += n;
 | |
| 	}
 | |
| 	return count - todo;
 | |
| }
 | |
| 
 | |
| static ssize_t dvb_play_kernel(struct av7110 *av7110, const u8 *buf,
 | |
| 			unsigned long count, int nonblock, int type)
 | |
| {
 | |
| 	unsigned long todo = count, n;
 | |
| 	dprintk(2, "av7110:%p, \n", av7110);
 | |
| 
 | |
| 	if (!av7110->kbuf[type])
 | |
| 		return -ENOBUFS;
 | |
| 
 | |
| 	if (nonblock && !FREE_COND)
 | |
| 		return -EWOULDBLOCK;
 | |
| 
 | |
| 	while (todo > 0) {
 | |
| 		if (!FREE_COND) {
 | |
| 			if (nonblock)
 | |
| 				return count - todo;
 | |
| 			if (wait_event_interruptible(av7110->avout.queue,
 | |
| 						     FREE_COND))
 | |
| 				return count - todo;
 | |
| 		}
 | |
| 		n = todo;
 | |
| 		if (n > IPACKS * 2)
 | |
| 			n = IPACKS * 2;
 | |
| 		av7110_ipack_instant_repack(buf, n, &av7110->ipack[type]);
 | |
| 		todo -= n;
 | |
| 		buf += n;
 | |
| 	}
 | |
| 	return count - todo;
 | |
| }
 | |
| 
 | |
| static ssize_t dvb_aplay(struct av7110 *av7110, const u8 __user *buf,
 | |
| 			 unsigned long count, int nonblock, int type)
 | |
| {
 | |
| 	unsigned long todo = count, n;
 | |
| 	dprintk(2, "av7110:%p, \n", av7110);
 | |
| 
 | |
| 	if (!av7110->kbuf[type])
 | |
| 		return -ENOBUFS;
 | |
| 	if (nonblock && dvb_ringbuffer_free(&av7110->aout) < 20 * 1024)
 | |
| 		return -EWOULDBLOCK;
 | |
| 
 | |
| 	while (todo > 0) {
 | |
| 		if (dvb_ringbuffer_free(&av7110->aout) < 20 * 1024) {
 | |
| 			if (nonblock)
 | |
| 				return count - todo;
 | |
| 			if (wait_event_interruptible(av7110->aout.queue,
 | |
| 					(dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)))
 | |
| 				return count-todo;
 | |
| 		}
 | |
| 		n = todo;
 | |
| 		if (n > IPACKS * 2)
 | |
| 			n = IPACKS * 2;
 | |
| 		if (copy_from_user(av7110->kbuf[type], buf, n))
 | |
| 			return -EFAULT;
 | |
| 		av7110_ipack_instant_repack(av7110->kbuf[type], n,
 | |
| 					    &av7110->ipack[type]);
 | |
| 		todo -= n;
 | |
| 		buf += n;
 | |
| 	}
 | |
| 	return count - todo;
 | |
| }
 | |
| 
 | |
| void av7110_p2t_init(struct av7110_p2t *p, struct dvb_demux_feed *feed)
 | |
| {
 | |
| 	memset(p->pes, 0, TS_SIZE);
 | |
| 	p->counter = 0;
 | |
| 	p->pos = 0;
 | |
| 	p->frags = 0;
 | |
| 	if (feed)
 | |
| 		p->feed = feed;
 | |
| }
 | |
| 
 | |
| static void clear_p2t(struct av7110_p2t *p)
 | |
| {
 | |
| 	memset(p->pes, 0, TS_SIZE);
 | |
| //	p->counter = 0;
 | |
| 	p->pos = 0;
 | |
| 	p->frags = 0;
 | |
| }
 | |
| 
 | |
| 
 | |
| static int find_pes_header(u8 const *buf, long int length, int *frags)
 | |
| {
 | |
| 	int c = 0;
 | |
| 	int found = 0;
 | |
| 
 | |
| 	*frags = 0;
 | |
| 
 | |
| 	while (c < length - 3 && !found) {
 | |
| 		if (buf[c] == 0x00 && buf[c + 1] == 0x00 &&
 | |
| 		    buf[c + 2] == 0x01) {
 | |
| 			switch ( buf[c + 3] ) {
 | |
| 			case PROG_STREAM_MAP:
 | |
| 			case PRIVATE_STREAM2:
 | |
| 			case PROG_STREAM_DIR:
 | |
| 			case ECM_STREAM     :
 | |
| 			case EMM_STREAM     :
 | |
| 			case PADDING_STREAM :
 | |
| 			case DSM_CC_STREAM  :
 | |
| 			case ISO13522_STREAM:
 | |
| 			case PRIVATE_STREAM1:
 | |
| 			case AUDIO_STREAM_S ... AUDIO_STREAM_E:
 | |
| 			case VIDEO_STREAM_S ... VIDEO_STREAM_E:
 | |
| 				found = 1;
 | |
| 				break;
 | |
| 
 | |
| 			default:
 | |
| 				c++;
 | |
| 				break;
 | |
| 			}
 | |
| 		} else
 | |
| 			c++;
 | |
| 	}
 | |
| 	if (c == length - 3 && !found) {
 | |
| 		if (buf[length - 1] == 0x00)
 | |
| 			*frags = 1;
 | |
| 		if (buf[length - 2] == 0x00 &&
 | |
| 		    buf[length - 1] == 0x00)
 | |
| 			*frags = 2;
 | |
| 		if (buf[length - 3] == 0x00 &&
 | |
| 		    buf[length - 2] == 0x00 &&
 | |
| 		    buf[length - 1] == 0x01)
 | |
| 			*frags = 3;
 | |
| 		return -1;
 | |
| 	}
 | |
| 
 | |
| 	return c;
 | |
| }
 | |
| 
 | |
| void av7110_p2t_write(u8 const *buf, long int length, u16 pid, struct av7110_p2t *p)
 | |
| {
 | |
| 	int c, c2, l, add;
 | |
| 	int check, rest;
 | |
| 
 | |
| 	c = 0;
 | |
| 	c2 = 0;
 | |
| 	if (p->frags){
 | |
| 		check = 0;
 | |
| 		switch(p->frags) {
 | |
| 		case 1:
 | |
| 			if (buf[c] == 0x00 && buf[c + 1] == 0x01) {
 | |
| 				check = 1;
 | |
| 				c += 2;
 | |
| 			}
 | |
| 			break;
 | |
| 		case 2:
 | |
| 			if (buf[c] == 0x01) {
 | |
| 				check = 1;
 | |
| 				c++;
 | |
| 			}
 | |
| 			break;
 | |
| 		case 3:
 | |
| 			check = 1;
 | |
| 		}
 | |
| 		if (check) {
 | |
| 			switch (buf[c]) {
 | |
| 			case PROG_STREAM_MAP:
 | |
| 			case PRIVATE_STREAM2:
 | |
| 			case PROG_STREAM_DIR:
 | |
| 			case ECM_STREAM     :
 | |
| 			case EMM_STREAM     :
 | |
| 			case PADDING_STREAM :
 | |
| 			case DSM_CC_STREAM  :
 | |
| 			case ISO13522_STREAM:
 | |
| 			case PRIVATE_STREAM1:
 | |
| 			case AUDIO_STREAM_S ... AUDIO_STREAM_E:
 | |
| 			case VIDEO_STREAM_S ... VIDEO_STREAM_E:
 | |
| 				p->pes[0] = 0x00;
 | |
| 				p->pes[1] = 0x00;
 | |
| 				p->pes[2] = 0x01;
 | |
| 				p->pes[3] = buf[c];
 | |
| 				p->pos = 4;
 | |
| 				memcpy(p->pes + p->pos, buf + c, (TS_SIZE - 4) - p->pos);
 | |
| 				c += (TS_SIZE - 4) - p->pos;
 | |
| 				p_to_t(p->pes, (TS_SIZE - 4), pid, &p->counter, p->feed);
 | |
| 				clear_p2t(p);
 | |
| 				break;
 | |
| 
 | |
| 			default:
 | |
| 				c = 0;
 | |
| 				break;
 | |
| 			}
 | |
| 		}
 | |
| 		p->frags = 0;
 | |
| 	}
 | |
| 
 | |
| 	if (p->pos) {
 | |
| 		c2 = find_pes_header(buf + c, length - c, &p->frags);
 | |
| 		if (c2 >= 0 && c2 < (TS_SIZE - 4) - p->pos)
 | |
| 			l = c2+c;
 | |
| 		else
 | |
| 			l = (TS_SIZE - 4) - p->pos;
 | |
| 		memcpy(p->pes + p->pos, buf, l);
 | |
| 		c += l;
 | |
| 		p->pos += l;
 | |
| 		p_to_t(p->pes, p->pos, pid, &p->counter, p->feed);
 | |
| 		clear_p2t(p);
 | |
| 	}
 | |
| 
 | |
| 	add = 0;
 | |
| 	while (c < length) {
 | |
| 		c2 = find_pes_header(buf + c + add, length - c - add, &p->frags);
 | |
| 		if (c2 >= 0) {
 | |
| 			c2 += c + add;
 | |
| 			if (c2 > c){
 | |
| 				p_to_t(buf + c, c2 - c, pid, &p->counter, p->feed);
 | |
| 				c = c2;
 | |
| 				clear_p2t(p);
 | |
| 				add = 0;
 | |
| 			} else
 | |
| 				add = 1;
 | |
| 		} else {
 | |
| 			l = length - c;
 | |
| 			rest = l % (TS_SIZE - 4);
 | |
| 			l -= rest;
 | |
| 			p_to_t(buf + c, l, pid, &p->counter, p->feed);
 | |
| 			memcpy(p->pes, buf + c + l, rest);
 | |
| 			p->pos = rest;
 | |
| 			c = length;
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| 
 | |
| static int write_ts_header2(u16 pid, u8 *counter, int pes_start, u8 *buf, u8 length)
 | |
| {
 | |
| 	int i;
 | |
| 	int c = 0;
 | |
| 	int fill;
 | |
| 	u8 tshead[4] = { 0x47, 0x00, 0x00, 0x10 };
 | |
| 
 | |
| 	fill = (TS_SIZE - 4) - length;
 | |
| 	if (pes_start)
 | |
| 		tshead[1] = 0x40;
 | |
| 	if (fill)
 | |
| 		tshead[3] = 0x30;
 | |
| 	tshead[1] |= (u8)((pid & 0x1F00) >> 8);
 | |
| 	tshead[2] |= (u8)(pid & 0x00FF);
 | |
| 	tshead[3] |= ((*counter)++ & 0x0F);
 | |
| 	memcpy(buf, tshead, 4);
 | |
| 	c += 4;
 | |
| 
 | |
| 	if (fill) {
 | |
| 		buf[4] = fill - 1;
 | |
| 		c++;
 | |
| 		if (fill > 1) {
 | |
| 			buf[5] = 0x00;
 | |
| 			c++;
 | |
| 		}
 | |
| 		for (i = 6; i < fill + 4; i++) {
 | |
| 			buf[i] = 0xFF;
 | |
| 			c++;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	return c;
 | |
| }
 | |
| 
 | |
| 
 | |
| static void p_to_t(u8 const *buf, long int length, u16 pid, u8 *counter,
 | |
| 		   struct dvb_demux_feed *feed)
 | |
| {
 | |
| 	int l, pes_start;
 | |
| 	u8 obuf[TS_SIZE];
 | |
| 	long c = 0;
 | |
| 
 | |
| 	pes_start = 0;
 | |
| 	if (length > 3 &&
 | |
| 	     buf[0] == 0x00 && buf[1] == 0x00 && buf[2] == 0x01)
 | |
| 		switch (buf[3]) {
 | |
| 			case PROG_STREAM_MAP:
 | |
| 			case PRIVATE_STREAM2:
 | |
| 			case PROG_STREAM_DIR:
 | |
| 			case ECM_STREAM     :
 | |
| 			case EMM_STREAM     :
 | |
| 			case PADDING_STREAM :
 | |
| 			case DSM_CC_STREAM  :
 | |
| 			case ISO13522_STREAM:
 | |
| 			case PRIVATE_STREAM1:
 | |
| 			case AUDIO_STREAM_S ... AUDIO_STREAM_E:
 | |
| 			case VIDEO_STREAM_S ... VIDEO_STREAM_E:
 | |
| 				pes_start = 1;
 | |
| 				break;
 | |
| 
 | |
| 			default:
 | |
| 				break;
 | |
| 		}
 | |
| 
 | |
| 	while (c < length) {
 | |
| 		memset(obuf, 0, TS_SIZE);
 | |
| 		if (length - c >= (TS_SIZE - 4)){
 | |
| 			l = write_ts_header2(pid, counter, pes_start,
 | |
| 					     obuf, (TS_SIZE - 4));
 | |
| 			memcpy(obuf + l, buf + c, TS_SIZE - l);
 | |
| 			c += TS_SIZE - l;
 | |
| 		} else {
 | |
| 			l = write_ts_header2(pid, counter, pes_start,
 | |
| 					     obuf, length - c);
 | |
| 			memcpy(obuf + l, buf + c, TS_SIZE - l);
 | |
| 			c = length;
 | |
| 		}
 | |
| 		feed->cb.ts(obuf, 188, NULL, 0, &feed->feed.ts, DMX_OK);
 | |
| 		pes_start = 0;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| 
 | |
| int av7110_write_to_decoder(struct dvb_demux_feed *feed, const u8 *buf, size_t len)
 | |
| {
 | |
| 	struct dvb_demux *demux = feed->demux;
 | |
| 	struct av7110 *av7110 = (struct av7110 *) demux->priv;
 | |
| 	struct ipack *ipack = &av7110->ipack[feed->pes_type];
 | |
| 
 | |
| 	dprintk(2, "av7110:%p, \n", av7110);
 | |
| 
 | |
| 	switch (feed->pes_type) {
 | |
| 	case 0:
 | |
| 		if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
 | |
| 			return -EINVAL;
 | |
| 		break;
 | |
| 	case 1:
 | |
| 		if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY)
 | |
| 			return -EINVAL;
 | |
| 		break;
 | |
| 	default:
 | |
| 		return -1;
 | |
| 	}
 | |
| 
 | |
| 	if (!(buf[3] & 0x10)) /* no payload? */
 | |
| 		return -1;
 | |
| 	if (buf[1] & 0x40)
 | |
| 		av7110_ipack_flush(ipack);
 | |
| 
 | |
| 	if (buf[3] & 0x20) {  /* adaptation field? */
 | |
| 		len -= buf[4] + 1;
 | |
| 		buf += buf[4] + 1;
 | |
| 		if (!len)
 | |
| 			return 0;
 | |
| 	}
 | |
| 
 | |
| 	av7110_ipack_instant_repack(buf + 4, len - 4, &av7110->ipack[feed->pes_type]);
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| 
 | |
| 
 | |
| /******************************************************************************
 | |
|  * Video MPEG decoder events
 | |
|  ******************************************************************************/
 | |
| void dvb_video_add_event(struct av7110 *av7110, struct video_event *event)
 | |
| {
 | |
| 	struct dvb_video_events *events = &av7110->video_events;
 | |
| 	int wp;
 | |
| 
 | |
| 	spin_lock_bh(&events->lock);
 | |
| 
 | |
| 	wp = (events->eventw + 1) % MAX_VIDEO_EVENT;
 | |
| 	if (wp == events->eventr) {
 | |
| 		events->overflow = 1;
 | |
| 		events->eventr = (events->eventr + 1) % MAX_VIDEO_EVENT;
 | |
| 	}
 | |
| 
 | |
| 	//FIXME: timestamp?
 | |
| 	memcpy(&events->events[events->eventw], event, sizeof(struct video_event));
 | |
| 	events->eventw = wp;
 | |
| 
 | |
| 	spin_unlock_bh(&events->lock);
 | |
| 
 | |
| 	wake_up_interruptible(&events->wait_queue);
 | |
| }
 | |
| 
 | |
| 
 | |
| static int dvb_video_get_event (struct av7110 *av7110, struct video_event *event, int flags)
 | |
| {
 | |
| 	struct dvb_video_events *events = &av7110->video_events;
 | |
| 
 | |
| 	if (events->overflow) {
 | |
| 		events->overflow = 0;
 | |
| 		return -EOVERFLOW;
 | |
| 	}
 | |
| 	if (events->eventw == events->eventr) {
 | |
| 		int ret;
 | |
| 
 | |
| 		if (flags & O_NONBLOCK)
 | |
| 			return -EWOULDBLOCK;
 | |
| 
 | |
| 		ret = wait_event_interruptible(events->wait_queue,
 | |
| 					       events->eventw != events->eventr);
 | |
| 		if (ret < 0)
 | |
| 			return ret;
 | |
| 	}
 | |
| 
 | |
| 	spin_lock_bh(&events->lock);
 | |
| 
 | |
| 	memcpy(event, &events->events[events->eventr],
 | |
| 	       sizeof(struct video_event));
 | |
| 	events->eventr = (events->eventr + 1) % MAX_VIDEO_EVENT;
 | |
| 
 | |
| 	spin_unlock_bh(&events->lock);
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| 
 | |
| /******************************************************************************
 | |
|  * DVB device file operations
 | |
|  ******************************************************************************/
 | |
| 
 | |
| static unsigned int dvb_video_poll(struct file *file, poll_table *wait)
 | |
| {
 | |
| 	struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
 | |
| 	struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
 | |
| 	unsigned int mask = 0;
 | |
| 
 | |
| 	dprintk(2, "av7110:%p, \n", av7110);
 | |
| 
 | |
| 	if ((file->f_flags & O_ACCMODE) != O_RDONLY)
 | |
| 		poll_wait(file, &av7110->avout.queue, wait);
 | |
| 
 | |
| 	poll_wait(file, &av7110->video_events.wait_queue, wait);
 | |
| 
 | |
| 	if (av7110->video_events.eventw != av7110->video_events.eventr)
 | |
| 		mask = POLLPRI;
 | |
| 
 | |
| 	if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
 | |
| 		if (av7110->playing) {
 | |
| 			if (FREE_COND)
 | |
| 				mask |= (POLLOUT | POLLWRNORM);
 | |
| 			} else /* if not playing: may play if asked for */
 | |
| 				mask |= (POLLOUT | POLLWRNORM);
 | |
| 	}
 | |
| 
 | |
| 	return mask;
 | |
| }
 | |
| 
 | |
| static ssize_t dvb_video_write(struct file *file, const char __user *buf,
 | |
| 			       size_t count, loff_t *ppos)
 | |
| {
 | |
| 	struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
 | |
| 	struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
 | |
| 
 | |
| 	dprintk(2, "av7110:%p, \n", av7110);
 | |
| 
 | |
| 	if ((file->f_flags & O_ACCMODE) == O_RDONLY)
 | |
| 		return -EPERM;
 | |
| 
 | |
| 	if (av7110->videostate.stream_source != VIDEO_SOURCE_MEMORY)
 | |
| 		return -EPERM;
 | |
| 
 | |
| 	return dvb_play(av7110, buf, count, file->f_flags & O_NONBLOCK, 1);
 | |
| }
 | |
| 
 | |
| static unsigned int dvb_audio_poll(struct file *file, poll_table *wait)
 | |
| {
 | |
| 	struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
 | |
| 	struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
 | |
| 	unsigned int mask = 0;
 | |
| 
 | |
| 	dprintk(2, "av7110:%p, \n", av7110);
 | |
| 
 | |
| 	poll_wait(file, &av7110->aout.queue, wait);
 | |
| 
 | |
| 	if (av7110->playing) {
 | |
| 		if (dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)
 | |
| 			mask |= (POLLOUT | POLLWRNORM);
 | |
| 	} else /* if not playing: may play if asked for */
 | |
| 		mask = (POLLOUT | POLLWRNORM);
 | |
| 
 | |
| 	return mask;
 | |
| }
 | |
| 
 | |
| static ssize_t dvb_audio_write(struct file *file, const char __user *buf,
 | |
| 			       size_t count, loff_t *ppos)
 | |
| {
 | |
| 	struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
 | |
| 	struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
 | |
| 
 | |
| 	dprintk(2, "av7110:%p, \n", av7110);
 | |
| 
 | |
| 	if (av7110->audiostate.stream_source != AUDIO_SOURCE_MEMORY) {
 | |
| 		printk(KERN_ERR "not audio source memory\n");
 | |
| 		return -EPERM;
 | |
| 	}
 | |
| 	return dvb_aplay(av7110, buf, count, file->f_flags & O_NONBLOCK, 0);
 | |
| }
 | |
| 
 | |
| static u8 iframe_header[] = { 0x00, 0x00, 0x01, 0xe0, 0x00, 0x00, 0x80, 0x00, 0x00 };
 | |
| 
 | |
| #define MIN_IFRAME 400000
 | |
| 
 | |
| static int play_iframe(struct av7110 *av7110, u8 __user *buf, unsigned int len, int nonblock)
 | |
| {
 | |
| 	int i, n;
 | |
| 
 | |
| 	dprintk(2, "av7110:%p, \n", av7110);
 | |
| 
 | |
| 	if (!(av7110->playing & RP_VIDEO)) {
 | |
| 		if (av7110_av_start_play(av7110, RP_VIDEO) < 0)
 | |
| 			return -EBUSY;
 | |
| 	}
 | |
| 
 | |
| 	/* setting n always > 1, fixes problems when playing stillframes
 | |
| 	   consisting of I- and P-Frames */
 | |
| 	n = MIN_IFRAME / len + 1;
 | |
| 
 | |
| 	/* FIXME: nonblock? */
 | |
| 	dvb_play_kernel(av7110, iframe_header, sizeof(iframe_header), 0, 1);
 | |
| 
 | |
| 	for (i = 0; i < n; i++)
 | |
| 		dvb_play(av7110, buf, len, 0, 1);
 | |
| 
 | |
| 	av7110_ipack_flush(&av7110->ipack[1]);
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| 
 | |
| static int dvb_video_ioctl(struct inode *inode, struct file *file,
 | |
| 			   unsigned int cmd, void *parg)
 | |
| {
 | |
| 	struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
 | |
| 	struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
 | |
| 	unsigned long arg = (unsigned long) parg;
 | |
| 	int ret = 0;
 | |
| 
 | |
| 	dprintk(1, "av7110:%p, cmd=%04x\n", av7110,cmd);
 | |
| 
 | |
| 	if ((file->f_flags & O_ACCMODE) == O_RDONLY) {
 | |
| 		if ( cmd != VIDEO_GET_STATUS && cmd != VIDEO_GET_EVENT &&
 | |
| 		     cmd != VIDEO_GET_SIZE ) {
 | |
| 			return -EPERM;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	switch (cmd) {
 | |
| 	case VIDEO_STOP:
 | |
| 		av7110->videostate.play_state = VIDEO_STOPPED;
 | |
| 		if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY)
 | |
| 			ret = av7110_av_stop(av7110, RP_VIDEO);
 | |
| 		else
 | |
| 			ret = vidcom(av7110, VIDEO_CMD_STOP,
 | |
| 			       av7110->videostate.video_blank ? 0 : 1);
 | |
| 		if (!ret)
 | |
| 			av7110->trickmode = TRICK_NONE;
 | |
| 		break;
 | |
| 
 | |
| 	case VIDEO_PLAY:
 | |
| 		av7110->trickmode = TRICK_NONE;
 | |
| 		if (av7110->videostate.play_state == VIDEO_FREEZED) {
 | |
| 			av7110->videostate.play_state = VIDEO_PLAYING;
 | |
| 			ret = vidcom(av7110, VIDEO_CMD_PLAY, 0);
 | |
| 			if (ret)
 | |
| 				break;
 | |
| 		}
 | |
| 
 | |
| 		if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY) {
 | |
| 			if (av7110->playing == RP_AV) {
 | |
| 				ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
 | |
| 				if (ret)
 | |
| 					break;
 | |
| 				av7110->playing &= ~RP_VIDEO;
 | |
| 			}
 | |
| 			ret = av7110_av_start_play(av7110, RP_VIDEO);
 | |
| 		}
 | |
| 		if (!ret)
 | |
| 			ret = vidcom(av7110, VIDEO_CMD_PLAY, 0);
 | |
| 		if (!ret)
 | |
| 			av7110->videostate.play_state = VIDEO_PLAYING;
 | |
| 		break;
 | |
| 
 | |
| 	case VIDEO_FREEZE:
 | |
| 		av7110->videostate.play_state = VIDEO_FREEZED;
 | |
| 		if (av7110->playing & RP_VIDEO)
 | |
| 			ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Pause, 0);
 | |
| 		else
 | |
| 			ret = vidcom(av7110, VIDEO_CMD_FREEZE, 1);
 | |
| 		if (!ret)
 | |
| 			av7110->trickmode = TRICK_FREEZE;
 | |
| 		break;
 | |
| 
 | |
| 	case VIDEO_CONTINUE:
 | |
| 		if (av7110->playing & RP_VIDEO)
 | |
| 			ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Continue, 0);
 | |
| 		if (!ret)
 | |
| 			ret = vidcom(av7110, VIDEO_CMD_PLAY, 0);
 | |
| 		if (!ret) {
 | |
| 			av7110->videostate.play_state = VIDEO_PLAYING;
 | |
| 			av7110->trickmode = TRICK_NONE;
 | |
| 		}
 | |
| 		break;
 | |
| 
 | |
| 	case VIDEO_SELECT_SOURCE:
 | |
| 		av7110->videostate.stream_source = (video_stream_source_t) arg;
 | |
| 		break;
 | |
| 
 | |
| 	case VIDEO_SET_BLANK:
 | |
| 		av7110->videostate.video_blank = (int) arg;
 | |
| 		break;
 | |
| 
 | |
| 	case VIDEO_GET_STATUS:
 | |
| 		memcpy(parg, &av7110->videostate, sizeof(struct video_status));
 | |
| 		break;
 | |
| 
 | |
| 	case VIDEO_GET_EVENT:
 | |
| 		ret = dvb_video_get_event(av7110, parg, file->f_flags);
 | |
| 		break;
 | |
| 
 | |
| 	case VIDEO_GET_SIZE:
 | |
| 		memcpy(parg, &av7110->video_size, sizeof(video_size_t));
 | |
| 		break;
 | |
| 
 | |
| 	case VIDEO_SET_DISPLAY_FORMAT:
 | |
| 	{
 | |
| 		video_displayformat_t format = (video_displayformat_t) arg;
 | |
| 		u16 val = 0;
 | |
| 
 | |
| 		switch (format) {
 | |
| 		case VIDEO_PAN_SCAN:
 | |
| 			val = VID_PAN_SCAN_PREF;
 | |
| 			break;
 | |
| 
 | |
| 		case VIDEO_LETTER_BOX:
 | |
| 			val = VID_VC_AND_PS_PREF;
 | |
| 			break;
 | |
| 
 | |
| 		case VIDEO_CENTER_CUT_OUT:
 | |
| 			val = VID_CENTRE_CUT_PREF;
 | |
| 			break;
 | |
| 
 | |
| 		default:
 | |
| 			ret = -EINVAL;
 | |
| 		}
 | |
| 		if (ret < 0)
 | |
| 			break;
 | |
| 		av7110->videostate.display_format = format;
 | |
| 		ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetPanScanType,
 | |
| 				    1, (u16) val);
 | |
| 		break;
 | |
| 	}
 | |
| 
 | |
| 	case VIDEO_SET_FORMAT:
 | |
| 		if (arg > 1) {
 | |
| 			ret = -EINVAL;
 | |
| 			break;
 | |
| 		}
 | |
| 		av7110->display_ar = arg;
 | |
| 		ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetMonitorType,
 | |
| 				    1, (u16) arg);
 | |
| 		break;
 | |
| 
 | |
| 	case VIDEO_STILLPICTURE:
 | |
| 	{
 | |
| 		struct video_still_picture *pic =
 | |
| 			(struct video_still_picture *) parg;
 | |
| 		av7110->videostate.stream_source = VIDEO_SOURCE_MEMORY;
 | |
| 		dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
 | |
| 		ret = play_iframe(av7110, pic->iFrame, pic->size,
 | |
| 				  file->f_flags & O_NONBLOCK);
 | |
| 		break;
 | |
| 	}
 | |
| 
 | |
| 	case VIDEO_FAST_FORWARD:
 | |
| 		//note: arg is ignored by firmware
 | |
| 		if (av7110->playing & RP_VIDEO)
 | |
| 			ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
 | |
| 					    __Scan_I, 2, AV_PES, 0);
 | |
| 		else
 | |
| 			ret = vidcom(av7110, VIDEO_CMD_FFWD, arg);
 | |
| 		if (!ret) {
 | |
| 			av7110->trickmode = TRICK_FAST;
 | |
| 			av7110->videostate.play_state = VIDEO_PLAYING;
 | |
| 		}
 | |
| 		break;
 | |
| 
 | |
| 	case VIDEO_SLOWMOTION:
 | |
| 		if (av7110->playing&RP_VIDEO) {
 | |
| 			ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Slow, 2, 0, 0);
 | |
| 			if (!ret)
 | |
| 				ret = vidcom(av7110, VIDEO_CMD_SLOW, arg);
 | |
| 		} else {
 | |
| 			ret = vidcom(av7110, VIDEO_CMD_PLAY, 0);
 | |
| 			if (!ret)
 | |
| 				ret = vidcom(av7110, VIDEO_CMD_STOP, 0);
 | |
| 			if (!ret)
 | |
| 				ret = vidcom(av7110, VIDEO_CMD_SLOW, arg);
 | |
| 		}
 | |
| 		if (!ret) {
 | |
| 			av7110->trickmode = TRICK_SLOW;
 | |
| 			av7110->videostate.play_state = VIDEO_PLAYING;
 | |
| 		}
 | |
| 		break;
 | |
| 
 | |
| 	case VIDEO_GET_CAPABILITIES:
 | |
| 		*(int *)parg = VIDEO_CAP_MPEG1 | VIDEO_CAP_MPEG2 |
 | |
| 			VIDEO_CAP_SYS | VIDEO_CAP_PROG;
 | |
| 		break;
 | |
| 
 | |
| 	case VIDEO_CLEAR_BUFFER:
 | |
| 		dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
 | |
| 		av7110_ipack_reset(&av7110->ipack[1]);
 | |
| 
 | |
| 		if (av7110->playing == RP_AV) {
 | |
| 			ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
 | |
| 					    __Play, 2, AV_PES, 0);
 | |
| 			if (ret)
 | |
| 				break;
 | |
| 			if (av7110->trickmode == TRICK_FAST)
 | |
| 				ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
 | |
| 						    __Scan_I, 2, AV_PES, 0);
 | |
| 			if (av7110->trickmode == TRICK_SLOW) {
 | |
| 				ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
 | |
| 						    __Slow, 2, 0, 0);
 | |
| 				if (!ret)
 | |
| 					ret = vidcom(av7110, VIDEO_CMD_SLOW, arg);
 | |
| 			}
 | |
| 			if (av7110->trickmode == TRICK_FREEZE)
 | |
| 				ret = vidcom(av7110, VIDEO_CMD_STOP, 1);
 | |
| 		}
 | |
| 		break;
 | |
| 
 | |
| 	case VIDEO_SET_STREAMTYPE:
 | |
| 
 | |
| 		break;
 | |
| 
 | |
| 	default:
 | |
| 		ret = -ENOIOCTLCMD;
 | |
| 		break;
 | |
| 	}
 | |
| 	return ret;
 | |
| }
 | |
| 
 | |
| static int dvb_audio_ioctl(struct inode *inode, struct file *file,
 | |
| 			   unsigned int cmd, void *parg)
 | |
| {
 | |
| 	struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
 | |
| 	struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
 | |
| 	unsigned long arg = (unsigned long) parg;
 | |
| 	int ret = 0;
 | |
| 
 | |
| 	dprintk(1, "av7110:%p, cmd=%04x\n", av7110,cmd);
 | |
| 
 | |
| 	if (((file->f_flags & O_ACCMODE) == O_RDONLY) &&
 | |
| 	    (cmd != AUDIO_GET_STATUS))
 | |
| 		return -EPERM;
 | |
| 
 | |
| 	switch (cmd) {
 | |
| 	case AUDIO_STOP:
 | |
| 		if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
 | |
| 			ret = av7110_av_stop(av7110, RP_AUDIO);
 | |
| 		else
 | |
| 			ret = audcom(av7110, AUDIO_CMD_MUTE);
 | |
| 		if (!ret)
 | |
| 			av7110->audiostate.play_state = AUDIO_STOPPED;
 | |
| 		break;
 | |
| 
 | |
| 	case AUDIO_PLAY:
 | |
| 		if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
 | |
| 			ret = av7110_av_start_play(av7110, RP_AUDIO);
 | |
| 		if (!ret)
 | |
| 			ret = audcom(av7110, AUDIO_CMD_UNMUTE);
 | |
| 		if (!ret)
 | |
| 			av7110->audiostate.play_state = AUDIO_PLAYING;
 | |
| 		break;
 | |
| 
 | |
| 	case AUDIO_PAUSE:
 | |
| 		ret = audcom(av7110, AUDIO_CMD_MUTE);
 | |
| 		if (!ret)
 | |
| 			av7110->audiostate.play_state = AUDIO_PAUSED;
 | |
| 		break;
 | |
| 
 | |
| 	case AUDIO_CONTINUE:
 | |
| 		if (av7110->audiostate.play_state == AUDIO_PAUSED) {
 | |
| 			av7110->audiostate.play_state = AUDIO_PLAYING;
 | |
| 			ret = audcom(av7110, AUDIO_CMD_UNMUTE | AUDIO_CMD_PCM16);
 | |
| 		}
 | |
| 		break;
 | |
| 
 | |
| 	case AUDIO_SELECT_SOURCE:
 | |
| 		av7110->audiostate.stream_source = (audio_stream_source_t) arg;
 | |
| 		break;
 | |
| 
 | |
| 	case AUDIO_SET_MUTE:
 | |
| 	{
 | |
| 		ret = audcom(av7110, arg ? AUDIO_CMD_MUTE : AUDIO_CMD_UNMUTE);
 | |
| 		if (!ret)
 | |
| 			av7110->audiostate.mute_state = (int) arg;
 | |
| 		break;
 | |
| 	}
 | |
| 
 | |
| 	case AUDIO_SET_AV_SYNC:
 | |
| 		av7110->audiostate.AV_sync_state = (int) arg;
 | |
| 		ret = audcom(av7110, arg ? AUDIO_CMD_SYNC_ON : AUDIO_CMD_SYNC_OFF);
 | |
| 		break;
 | |
| 
 | |
| 	case AUDIO_SET_BYPASS_MODE:
 | |
| 		if (FW_VERSION(av7110->arm_app) < 0x2621)
 | |
| 			ret = -EINVAL;
 | |
| 		av7110->audiostate.bypass_mode = (int)arg;
 | |
| 		break;
 | |
| 
 | |
| 	case AUDIO_CHANNEL_SELECT:
 | |
| 		av7110->audiostate.channel_select = (audio_channel_select_t) arg;
 | |
| 
 | |
| 		switch(av7110->audiostate.channel_select) {
 | |
| 		case AUDIO_STEREO:
 | |
| 			ret = audcom(av7110, AUDIO_CMD_STEREO);
 | |
| 			if (!ret) {
 | |
| 				if (av7110->adac_type == DVB_ADAC_CRYSTAL)
 | |
| 					i2c_writereg(av7110, 0x20, 0x02, 0x49);
 | |
| 				else if (av7110->adac_type == DVB_ADAC_MSP34x5)
 | |
| 					msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0220);
 | |
| 			}
 | |
| 			break;
 | |
| 
 | |
| 		case AUDIO_MONO_LEFT:
 | |
| 			ret = audcom(av7110, AUDIO_CMD_MONO_L);
 | |
| 			if (!ret) {
 | |
| 				if (av7110->adac_type == DVB_ADAC_CRYSTAL)
 | |
| 					i2c_writereg(av7110, 0x20, 0x02, 0x4a);
 | |
| 				else if (av7110->adac_type == DVB_ADAC_MSP34x5)
 | |
| 					msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0200);
 | |
| 			}
 | |
| 			break;
 | |
| 
 | |
| 		case AUDIO_MONO_RIGHT:
 | |
| 			ret = audcom(av7110, AUDIO_CMD_MONO_R);
 | |
| 			if (!ret) {
 | |
| 				if (av7110->adac_type == DVB_ADAC_CRYSTAL)
 | |
| 					i2c_writereg(av7110, 0x20, 0x02, 0x45);
 | |
| 				else if (av7110->adac_type == DVB_ADAC_MSP34x5)
 | |
| 					msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0210);
 | |
| 			}
 | |
| 			break;
 | |
| 
 | |
| 		default:
 | |
| 			ret = -EINVAL;
 | |
| 			break;
 | |
| 		}
 | |
| 		break;
 | |
| 
 | |
| 	case AUDIO_GET_STATUS:
 | |
| 		memcpy(parg, &av7110->audiostate, sizeof(struct audio_status));
 | |
| 		break;
 | |
| 
 | |
| 	case AUDIO_GET_CAPABILITIES:
 | |
| 		if (FW_VERSION(av7110->arm_app) < 0x2621)
 | |
| 			*(unsigned int *)parg = AUDIO_CAP_LPCM | AUDIO_CAP_MP1 | AUDIO_CAP_MP2;
 | |
| 		else
 | |
| 			*(unsigned int *)parg = AUDIO_CAP_LPCM | AUDIO_CAP_DTS | AUDIO_CAP_AC3 |
 | |
| 						AUDIO_CAP_MP1 | AUDIO_CAP_MP2;
 | |
| 		break;
 | |
| 
 | |
| 	case AUDIO_CLEAR_BUFFER:
 | |
| 		dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
 | |
| 		av7110_ipack_reset(&av7110->ipack[0]);
 | |
| 		if (av7110->playing == RP_AV)
 | |
| 			ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
 | |
| 					    __Play, 2, AV_PES, 0);
 | |
| 		break;
 | |
| 	case AUDIO_SET_ID:
 | |
| 
 | |
| 		break;
 | |
| 	case AUDIO_SET_MIXER:
 | |
| 	{
 | |
| 		struct audio_mixer *amix = (struct audio_mixer *)parg;
 | |
| 
 | |
| 		ret = av7110_set_volume(av7110, amix->volume_left, amix->volume_right);
 | |
| 		break;
 | |
| 	}
 | |
| 	case AUDIO_SET_STREAMTYPE:
 | |
| 		break;
 | |
| 	default:
 | |
| 		ret = -ENOIOCTLCMD;
 | |
| 	}
 | |
| 	return ret;
 | |
| }
 | |
| 
 | |
| 
 | |
| static int dvb_video_open(struct inode *inode, struct file *file)
 | |
| {
 | |
| 	struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
 | |
| 	struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
 | |
| 	int err;
 | |
| 
 | |
| 	dprintk(2, "av7110:%p, \n", av7110);
 | |
| 
 | |
| 	if ((err = dvb_generic_open(inode, file)) < 0)
 | |
| 		return err;
 | |
| 
 | |
| 	if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
 | |
| 		dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
 | |
| 		dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
 | |
| 		av7110->video_blank = 1;
 | |
| 		av7110->audiostate.AV_sync_state = 1;
 | |
| 		av7110->videostate.stream_source = VIDEO_SOURCE_DEMUX;
 | |
| 
 | |
| 		/*  empty event queue */
 | |
| 		av7110->video_events.eventr = av7110->video_events.eventw = 0;
 | |
| 	}
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int dvb_video_release(struct inode *inode, struct file *file)
 | |
| {
 | |
| 	struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
 | |
| 	struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
 | |
| 
 | |
| 	dprintk(2, "av7110:%p, \n", av7110);
 | |
| 
 | |
| 	if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
 | |
| 		av7110_av_stop(av7110, RP_VIDEO);
 | |
| 	}
 | |
| 
 | |
| 	return dvb_generic_release(inode, file);
 | |
| }
 | |
| 
 | |
| static int dvb_audio_open(struct inode *inode, struct file *file)
 | |
| {
 | |
| 	struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
 | |
| 	struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
 | |
| 	int err=dvb_generic_open(inode, file);
 | |
| 
 | |
| 	dprintk(2, "av7110:%p, \n", av7110);
 | |
| 
 | |
| 	if (err < 0)
 | |
| 		return err;
 | |
| 	dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
 | |
| 	av7110->audiostate.stream_source = AUDIO_SOURCE_DEMUX;
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int dvb_audio_release(struct inode *inode, struct file *file)
 | |
| {
 | |
| 	struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
 | |
| 	struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
 | |
| 
 | |
| 	dprintk(2, "av7110:%p, \n", av7110);
 | |
| 
 | |
| 	av7110_av_stop(av7110, RP_AUDIO);
 | |
| 	return dvb_generic_release(inode, file);
 | |
| }
 | |
| 
 | |
| 
 | |
| 
 | |
| /******************************************************************************
 | |
|  * driver registration
 | |
|  ******************************************************************************/
 | |
| 
 | |
| static struct file_operations dvb_video_fops = {
 | |
| 	.owner		= THIS_MODULE,
 | |
| 	.write		= dvb_video_write,
 | |
| 	.ioctl		= dvb_generic_ioctl,
 | |
| 	.open		= dvb_video_open,
 | |
| 	.release	= dvb_video_release,
 | |
| 	.poll		= dvb_video_poll,
 | |
| };
 | |
| 
 | |
| static struct dvb_device dvbdev_video = {
 | |
| 	.priv		= NULL,
 | |
| 	.users		= 6,
 | |
| 	.readers	= 5,	/* arbitrary */
 | |
| 	.writers	= 1,
 | |
| 	.fops		= &dvb_video_fops,
 | |
| 	.kernel_ioctl	= dvb_video_ioctl,
 | |
| };
 | |
| 
 | |
| static struct file_operations dvb_audio_fops = {
 | |
| 	.owner		= THIS_MODULE,
 | |
| 	.write		= dvb_audio_write,
 | |
| 	.ioctl		= dvb_generic_ioctl,
 | |
| 	.open		= dvb_audio_open,
 | |
| 	.release	= dvb_audio_release,
 | |
| 	.poll		= dvb_audio_poll,
 | |
| };
 | |
| 
 | |
| static struct dvb_device dvbdev_audio = {
 | |
| 	.priv		= NULL,
 | |
| 	.users		= 1,
 | |
| 	.writers	= 1,
 | |
| 	.fops		= &dvb_audio_fops,
 | |
| 	.kernel_ioctl	= dvb_audio_ioctl,
 | |
| };
 | |
| 
 | |
| 
 | |
| int av7110_av_register(struct av7110 *av7110)
 | |
| {
 | |
| 	av7110->audiostate.AV_sync_state = 0;
 | |
| 	av7110->audiostate.mute_state = 0;
 | |
| 	av7110->audiostate.play_state = AUDIO_STOPPED;
 | |
| 	av7110->audiostate.stream_source = AUDIO_SOURCE_DEMUX;
 | |
| 	av7110->audiostate.channel_select = AUDIO_STEREO;
 | |
| 	av7110->audiostate.bypass_mode = 0;
 | |
| 
 | |
| 	av7110->videostate.video_blank = 0;
 | |
| 	av7110->videostate.play_state = VIDEO_STOPPED;
 | |
| 	av7110->videostate.stream_source = VIDEO_SOURCE_DEMUX;
 | |
| 	av7110->videostate.video_format = VIDEO_FORMAT_4_3;
 | |
| 	av7110->videostate.display_format = VIDEO_CENTER_CUT_OUT;
 | |
| 	av7110->display_ar = VIDEO_FORMAT_4_3;
 | |
| 
 | |
| 	init_waitqueue_head(&av7110->video_events.wait_queue);
 | |
| 	spin_lock_init(&av7110->video_events.lock);
 | |
| 	av7110->video_events.eventw = av7110->video_events.eventr = 0;
 | |
| 	av7110->video_events.overflow = 0;
 | |
| 	memset(&av7110->video_size, 0, sizeof (video_size_t));
 | |
| 
 | |
| 	dvb_register_device(&av7110->dvb_adapter, &av7110->video_dev,
 | |
| 			    &dvbdev_video, av7110, DVB_DEVICE_VIDEO);
 | |
| 
 | |
| 	dvb_register_device(&av7110->dvb_adapter, &av7110->audio_dev,
 | |
| 			    &dvbdev_audio, av7110, DVB_DEVICE_AUDIO);
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| void av7110_av_unregister(struct av7110 *av7110)
 | |
| {
 | |
| 	dvb_unregister_device(av7110->audio_dev);
 | |
| 	dvb_unregister_device(av7110->video_dev);
 | |
| }
 | |
| 
 | |
| int av7110_av_init(struct av7110 *av7110)
 | |
| {
 | |
| 	void (*play[])(u8 *, int, void *) = { play_audio_cb, play_video_cb };
 | |
| 	int i, ret;
 | |
| 
 | |
| 	for (i = 0; i < 2; i++) {
 | |
| 		struct ipack *ipack = av7110->ipack + i;
 | |
| 
 | |
| 		ret = av7110_ipack_init(ipack, IPACKS, play[i]);
 | |
| 		if (ret < 0) {
 | |
| 			if (i)
 | |
| 				av7110_ipack_free(--ipack);
 | |
| 			goto out;
 | |
| 		}
 | |
| 		ipack->data = av7110;
 | |
| 	}
 | |
| 
 | |
| 	dvb_ringbuffer_init(&av7110->avout, av7110->iobuf, AVOUTLEN);
 | |
| 	dvb_ringbuffer_init(&av7110->aout, av7110->iobuf + AVOUTLEN, AOUTLEN);
 | |
| 
 | |
| 	av7110->kbuf[0] = (u8 *)(av7110->iobuf + AVOUTLEN + AOUTLEN + BMPLEN);
 | |
| 	av7110->kbuf[1] = av7110->kbuf[0] + 2 * IPACKS;
 | |
| out:
 | |
| 	return ret;
 | |
| }
 | |
| 
 | |
| void av7110_av_exit(struct av7110 *av7110)
 | |
| {
 | |
| 	av7110_ipack_free(&av7110->ipack[0]);
 | |
| 	av7110_ipack_free(&av7110->ipack[1]);
 | |
| }
 |