demux: add demux_state node for filter/chan [1/1]

PD#SWPL-27223

Problem:
add node for filter/chan

Solution:
add demux_state for show filter/chan

Verify:
verify at ab301

Signed-off-by: Chuangcheng Peng <chuangcheng.peng@amlogic.com>
Change-Id: I5bd3e68a315051175860444f2f80f359c528e450

diff --git a/drivers/stream_input/parser/hw_demux/aml_dvb.c b/drivers/stream_input/parser/hw_demux/aml_dvb.c
index 114d422851791bd4e07da6fb003532bea05a7682..0b80ae32b1411f315026336d9def6fe4e251ff7a 100644 (file)
--- a/drivers/stream_input/parser/hw_demux/aml_dvb.c
+++ b/drivers/stream_input/parser/hw_demux/aml_dvb.c
@@ -1246,6 +1246,80 @@ static ssize_t demux##i##_show_free_filters(struct class *class,  \
        return ret;\
 }
 
+static ssize_t demux_state_show(struct class *class,
+                               struct class_attribute *attr, char *buf)
+{
+       struct aml_dvb *dvb = &aml_dvb_device;
+       int i = 0, r = 0, j = 0;
+       struct dvb_demux *dmx;
+       struct aml_dmx *dmx1;
+       int fid, count;
+       ssize_t ret = 0;
+       char *str = NULL;
+
+       for (i = 0; i < 3; i++) {
+               r = sprintf(buf, "#####dmx%d#######\n", i);
+               buf += r;
+               ret += r;
+               dmx = &dvb->dmx[i].demux;
+               if (mutex_lock_interruptible(&dmx->mutex))
+                       return -ERESTARTSYS;
+
+               r = sprintf(buf, "filter:\n");
+               buf += r;
+               ret += r;
+
+               count = 0;
+               for (fid = 0; fid < dmx->filternum; fid++) {
+                       if (!dmx->filter[fid].state != DMX_STATE_FREE)
+                               count++;
+                       else {
+                               r = sprintf(buf, "fid:%d, pid:0x%0x\n",fid,dmx->filter[fid].feed->pid);
+                               buf += r;
+                               ret += r;
+                       }
+               }
+               r = sprintf(buf, "used filter:%d, free filter:%d\n", (dmx->filternum - count), count);
+               buf += r;
+               ret += r;
+
+               r = sprintf(buf, "chan:\n");
+               buf += r;
+               ret += r;
+
+               dmx1 = &dvb->dmx[i];
+               count = 0;
+               for (j = 0; j < CHANNEL_COUNT; j++) {
+                       if (dmx1->channel[j].used) {
+                               if (dmx1->channel[j].type == DMX_TYPE_TS) {
+                                       if (dmx1->channel[j].pes_type == DMX_PES_VIDEO) {
+                                               str = "video";
+                                       } else if (dmx1->channel[j].pes_type == DMX_PES_AUDIO){
+                                               str = "audio";
+                                       } else if (dmx1->channel[j].pes_type == DMX_PES_SUBTITLE) {
+                                               str = "sub";
+                                       } else if (dmx1->channel[j].pes_type == DMX_PES_TELETEXT) {
+                                               str = "ttx";
+                                       } else if (dmx1->channel[j].pes_type == DMX_PES_TELETEXT) {
+                                               str = "other";
+                                       }
+                               } else {
+                                       str = "sec";
+                               }
+                               count ++;
+                               r = sprintf(buf, "id:%d, type:%s, pid:0x%0x\n", j, str, dmx1->channel[j].pid);
+                               buf += r;
+                               ret += r;
+                       }
+               }
+               r = sprintf(buf, "used chan:%d, free chan:%d\n", count, (CHANNEL_COUNT - count));
+               buf += r;
+               ret += r;
+               mutex_unlock(&dmx->mutex);
+       }
+       return ret;
+}
+
 /*Show filter users count*/
 #define DEMUX_FILTER_USERS_FUNC_DECL(i)  \
 static ssize_t demux##i##_show_filter_users(struct class *class,  \
@@ -2071,6 +2145,7 @@ static struct class_attribute aml_stb_class_attrs[] = {
        __ATTR(first_audio_pts, 0644, demux_show_first_audio_pts,
               NULL),
        __ATTR(clear_av, 0644, NULL, stb_clear_av),
+       __ATTR(demux_state, 0644, demux_state_show, NULL),
 
 #define DSC_SOURCE_ATTR_DECL(i)\
        __ATTR(dsc##i##_source,  0664,\