--- /dev/null
+/*
+ * 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/
+ */
+
+#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 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);
+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)
+{
+ 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;
+ }
+ 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) {
+ len = dvb_ringbuffer_avail(buf);
+ if (len < 6) {
+ wake_up(&buf->queue);
+ 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);
+
+ 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, enum av7110_video_mode 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 enum av7110_video_mode sw2mode[16] = {
+ AV7110_VIDEO_MODE_PAL, AV7110_VIDEO_MODE_NTSC,
+ AV7110_VIDEO_MODE_NTSC, AV7110_VIDEO_MODE_PAL,
+ AV7110_VIDEO_MODE_NTSC, AV7110_VIDEO_MODE_NTSC,
+ AV7110_VIDEO_MODE_PAL, AV7110_VIDEO_MODE_NTSC,
+ AV7110_VIDEO_MODE_PAL, AV7110_VIDEO_MODE_PAL,
+ AV7110_VIDEO_MODE_PAL, AV7110_VIDEO_MODE_PAL,
+ AV7110_VIDEO_MODE_PAL, AV7110_VIDEO_MODE_PAL,
+ AV7110_VIDEO_MODE_PAL, AV7110_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 u8 *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_TS (dvb_ringbuffer_free(rb) >= 4096)
+
+static ssize_t ts_play(struct av7110 *av7110, const char __user *buf,
+ unsigned long count, int nonblock, int type)
+{
+ struct dvb_ringbuffer *rb;
+ u8 *kb;
+ unsigned long todo = count;
+
+ dprintk(2, "%s: type %d cnt %lu\n", __func__, type, count);
+
+ rb = (type) ? &av7110->avout : &av7110->aout;
+ kb = av7110->kbuf[type];
+
+ if (!kb)
+ return -ENOBUFS;
+
+ if (nonblock && !FREE_COND_TS)
+ return -EWOULDBLOCK;
+
+ while (todo >= TS_SIZE) {
+ if (!FREE_COND_TS) {
+ if (nonblock)
+ return count - todo;
+ if (wait_event_interruptible(rb->queue, FREE_COND_TS))
+ return count - todo;
+ }
+ if (copy_from_user(kb, buf, TS_SIZE))
+ return -EFAULT;
+ write_ts_to_decoder(av7110, type, kb, TS_SIZE);
+ todo -= TS_SIZE;
+ buf += TS_SIZE;
+ }
+
+ return count - todo;
+}
+
+
+#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 char __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 char __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;
+ }
+}
+
+
+static int write_ts_to_decoder(struct av7110 *av7110, int type, const u8 *buf, size_t len)
+{
+ struct ipack *ipack = &av7110->ipack[type];
+
+ if (buf[1] & TRANS_ERROR) {
+ av7110_ipack_reset(ipack);
+ return -1;
+ }
+
+ if (!(buf[3] & PAYLOAD))
+ return -1;
+
+ if (buf[1] & PAY_START)
+ av7110_ipack_flush(ipack);
+
+ if (buf[3] & ADAPT_FIELD) {
+ len -= buf[4] + 1;
+ buf += buf[4] + 1;
+ if (!len)
+ return 0;
+ }
+
+ av7110_ipack_instant_repack(buf + 4, len - 4, ipack);
+ return 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;
+
+ dprintk(2, "av7110:%p, \n", av7110);
+
+ if (av7110->full_ts && demux->dmx.frontend->source != DMX_MEMORY_FE)
+ return 0;
+
+ 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;
+ }
+
+ return write_ts_to_decoder(av7110, feed->pes_type, buf, len);
+}
+
+
+
+/******************************************************************************
+ * 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 = file->private_data;
+ struct av7110 *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 = file->private_data;
+ struct av7110 *av7110 = dvbdev->priv;
+ unsigned char c;
+
+ 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;
+
+ if (get_user(c, buf))
+ return -EFAULT;
+ if (c == 0x47 && count % TS_SIZE == 0)
+ return ts_play(av7110, buf, count, file->f_flags & O_NONBLOCK, 1);
+ else
+ 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 = file->private_data;
+ struct av7110 *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 = file->private_data;
+ struct av7110 *av7110 = dvbdev->priv;
+ unsigned char c;
+
+ dprintk(2, "av7110:%p, \n", av7110);
+
+ if (av7110->audiostate.stream_source != AUDIO_SOURCE_MEMORY) {
+ printk(KERN_ERR "not audio source memory\n");
+ return -EPERM;
+ }
+
+ if (get_user(c, buf))
+ return -EFAULT;
+ if (c == 0x47 && count % TS_SIZE == 0)
+ return ts_play(av7110, buf, count, file->f_flags & O_NONBLOCK, 0);
+ else
+ 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, char __user *buf, unsigned int len, int nonblock)
+{
+ unsigned i, n;
+ int progressive = 0;
+ int match = 0;
+
+ dprintk(2, "av7110:%p, \n", av7110);
+
+ if (!(av7110->playing & RP_VIDEO)) {
+ if (av7110_av_start_play(av7110, RP_VIDEO) < 0)
+ return -EBUSY;
+ }
+
+ /* search in buf for instances of 00 00 01 b5 1? */
+ for (i = 0; i < len; i++) {
+ unsigned char c;
+ if (get_user(c, buf + i))
+ return -EFAULT;
+ if (match == 5) {
+ progressive = c & 0x08;
+ match = 0;
+ }
+ if (c == 0x00) {
+ match = (match == 1 || match == 2) ? 2 : 1;
+ continue;
+ }
+ switch (match++) {
+ case 2: if (c == 0x01)
+ continue;
+ break;
+ case 3: if (c == 0xb5)
+ continue;
+ break;
+ case 4: if ((c & 0xf0) == 0x10)
+ continue;
+ break;
+ }
+ match = 0;
+ }
+
+ /* 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]);
+
+ if (progressive)
+ return vidcom(av7110, AV_VIDEO_CMD_FREEZE, 1);
+ else
+ return 0;
+}
+
+
+static int dvb_video_ioctl(struct file *file,
+ unsigned int cmd, void *parg)
+{
+ struct dvb_device *dvbdev = file->private_data;
+ struct av7110 *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;
+ }
+ }
+
+ if (mutex_lock_interruptible(&av7110->ioctl_mutex))
+ return -ERESTARTSYS;
+
+ 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, AV_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, AV_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, AV_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, AV_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, AV_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;
+ switch (format) {
+ case VIDEO_PAN_SCAN:
+ av7110->display_panscan = VID_PAN_SCAN_PREF;
+ break;
+ case VIDEO_LETTER_BOX:
+ av7110->display_panscan = VID_VC_AND_PS_PREF;
+ break;
+ case VIDEO_CENTER_CUT_OUT:
+ av7110->display_panscan = 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, av7110->display_panscan);
+ 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, AV_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) {
+ if (av7110->trickmode != TRICK_SLOW)
+ ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Slow, 2, 0, 0);
+ if (!ret)
+ ret = vidcom(av7110, AV_VIDEO_CMD_SLOW, arg);
+ } else {
+ ret = vidcom(av7110, AV_VIDEO_CMD_PLAY, 0);
+ if (!ret)
+ ret = vidcom(av7110, AV_VIDEO_CMD_STOP, 0);
+ if (!ret)
+ ret = vidcom(av7110, AV_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, AV_VIDEO_CMD_SLOW, arg);
+ }
+ if (av7110->trickmode == TRICK_FREEZE)
+ ret = vidcom(av7110, AV_VIDEO_CMD_STOP, 1);
+ }
+ break;
+
+ case VIDEO_SET_STREAMTYPE:
+ break;
+
+ default:
+ ret = -ENOIOCTLCMD;
+ break;
+ }
+
+ mutex_unlock(&av7110->ioctl_mutex);
+ return ret;
+}
+
+static int dvb_audio_ioctl(struct file *file,
+ unsigned int cmd, void *parg)
+{
+ struct dvb_device *dvbdev = file->private_data;
+ struct av7110 *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;
+
+ if (mutex_lock_interruptible(&av7110->ioctl_mutex))
+ return -ERESTARTSYS;
+
+ 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;
+ }
+
+ mutex_unlock(&av7110->ioctl_mutex);
+ return ret;
+}
+
+
+static int dvb_video_open(struct inode *inode, struct file *file)
+{
+ struct dvb_device *dvbdev = file->private_data;
+ struct av7110 *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 = file->private_data;
+ struct av7110 *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 = file->private_data;
+ struct av7110 *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 = file->private_data;
+ struct av7110 *av7110 = dvbdev->priv;
+
+ dprintk(2, "av7110:%p, \n", av7110);
+
+ av7110_av_stop(av7110, RP_AUDIO);
+ return dvb_generic_release(inode, file);
+}
+
+
+
+/******************************************************************************
+ * driver registration
+ ******************************************************************************/
+
+static const struct file_operations dvb_video_fops = {
+ .owner = THIS_MODULE,
+ .write = dvb_video_write,
+ .unlocked_ioctl = dvb_generic_ioctl,
+ .open = dvb_video_open,
+ .release = dvb_video_release,
+ .poll = dvb_video_poll,
+ .llseek = noop_llseek,
+};
+
+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 const struct file_operations dvb_audio_fops = {
+ .owner = THIS_MODULE,
+ .write = dvb_audio_write,
+ .unlocked_ioctl = dvb_generic_ioctl,
+ .open = dvb_audio_open,
+ .release = dvb_audio_release,
+ .poll = dvb_audio_poll,
+ .llseek = noop_llseek,
+};
+
+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_LETTER_BOX;
+ av7110->display_ar = VIDEO_FORMAT_4_3;
+ av7110->display_panscan = VID_VC_AND_PS_PREF;
+
+ 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]);
+}
Code Review / kvmfornfv.git / blobdiff