コード例 #1
0
static void pvr2_context_poll(struct work_struct *work)
{
	struct pvr2_context *mp =
		container_of(work, struct pvr2_context, workpoll);
	pvr2_context_enter(mp); do {
		pvr2_hdw_poll(mp->hdw);
	} while (0); pvr2_context_exit(mp);
}
コード例 #2
0
void pvr2_context_disconnect(struct pvr2_context *mp)
{
	pvr2_context_enter(mp); do {
		pvr2_hdw_disconnect(mp->hdw);
		mp->disconnect_flag = !0;
		pvr2_context_run_checks(mp);
	} while (0); pvr2_context_exit(mp);
}
コード例 #3
0
ファイル: pvrusb2-context.c プロジェクト: 274914765/C
void pvr2_channel_init(struct pvr2_channel *cp,struct pvr2_context *mp)
{
    pvr2_context_enter(mp);
    cp->hdw = mp->hdw;
    cp->mc_head = mp;
    cp->mc_next = NULL;
    cp->mc_prev = mp->mc_last;
    if (mp->mc_last) {
        mp->mc_last->mc_next = cp;
    } else {
        mp->mc_first = cp;
    }
    mp->mc_last = cp;
    pvr2_context_exit(mp);
}
コード例 #4
0
int pvr2_channel_claim_stream(struct pvr2_channel *cp,
			      struct pvr2_context_stream *sp)
{
	int code = 0;
	pvr2_context_enter(cp->mc_head); do {
		if (sp == cp->stream) break;
		if (sp->user) {
			code = -EBUSY;
			break;
		}
		pvr2_channel_disclaim_stream(cp);
		if (!sp) break;
		sp->user = cp;
		cp->stream = sp;
	} while (0); pvr2_context_exit(cp->mc_head);
	return code;
}
コード例 #5
0
static void pvr2_context_setup(struct pvr2_context *mp)
{
	pvr2_context_enter(mp); do {
		if (!pvr2_hdw_dev_ok(mp->hdw)) break;
		pvr2_hdw_setup(mp->hdw);
		pvr2_hdw_setup_poll_trigger(
			mp->hdw,
			(void (*)(void *))pvr2_context_trigger_poll,
			mp);
		if (!pvr2_hdw_dev_ok(mp->hdw)) break;
		if (!pvr2_hdw_init_ok(mp->hdw)) break;
		mp->video_stream.stream = pvr2_hdw_get_video_stream(mp->hdw);
		if (mp->setup_func) {
			mp->setup_func(mp);
		}
	} while (0); pvr2_context_exit(mp);
}
コード例 #6
0
ファイル: pvrusb2-context.c プロジェクト: 274914765/C
int pvr2_channel_limit_inputs(struct pvr2_channel *cp,unsigned int cmsk)
{
    unsigned int tmsk,mmsk;
    int ret = 0;
    struct pvr2_channel *p2;
    struct pvr2_hdw *hdw = cp->hdw;

    mmsk = pvr2_hdw_get_input_available(hdw);
    cmsk &= mmsk;
    if (cmsk == cp->input_mask) {
        /* No change; nothing to do */
        return 0;
    }

    pvr2_context_enter(cp->mc_head);
    do {
        if (!cmsk) {
            cp->input_mask = 0;
            pvr2_context_reset_input_limits(cp->mc_head);
            break;
        }
        tmsk = mmsk;
        for (p2 = cp->mc_head->mc_first; p2; p2 = p2->mc_next) {
            if (p2 == cp) continue;
            if (!p2->input_mask) continue;
            tmsk &= p2->input_mask;
        }
        if (!(tmsk & cmsk)) {
            ret = -EPERM;
            break;
        }
        tmsk &= cmsk;
        if ((ret = pvr2_hdw_set_input_allowed(hdw,mmsk,tmsk)) != 0) {
            /* Internal failure changing allowed list; probably
               should not happen, but react if it does. */
            break;
        }
        cp->input_mask = cmsk;
        pvr2_hdw_commit_ctl(hdw);
    } while (0);
    pvr2_context_exit(cp->mc_head);
    return ret;
}
コード例 #7
0
ファイル: pvrusb2-context.c プロジェクト: 274914765/C
void pvr2_channel_done(struct pvr2_channel *cp)
{
    struct pvr2_context *mp = cp->mc_head;
    pvr2_context_enter(mp);
    cp->input_mask = 0;
    pvr2_channel_disclaim_stream(cp);
    pvr2_context_reset_input_limits(mp);
    if (cp->mc_next) {
        cp->mc_next->mc_prev = cp->mc_prev;
    } else {
        mp->mc_last = cp->mc_prev;
    }
    if (cp->mc_prev) {
        cp->mc_prev->mc_next = cp->mc_next;
    } else {
        mp->mc_first = cp->mc_next;
    }
    cp->hdw = NULL;
    pvr2_context_exit(mp);
}
コード例 #8
0
static void pvr2_context_poll(struct pvr2_context *mp)
{
	pvr2_context_enter(mp); do {
		pvr2_hdw_poll(mp->hdw);
	} while (0); pvr2_context_exit(mp);
}