+ /*
+ * If there are many queued jobs, we iterate and add the
+ * size of them all. We take a special look on the first
+ * job though, since it is probably active.
+ */
+ list_for_each(pos, &cohc->active) {
+ /*
+ * The first job in the list will be working on the
+ * hardware. The job can be stopped but still active,
+ * so that the transfer counter is somewhere inside
+ * the buffer.
+ */
+ cohd = list_entry(pos, struct coh901318_desc, node);
+
+ if (i == 0) {
+ struct coh901318_lli *lli;
+ dma_addr_t ladd;
+
+ /* Read current transfer count value */
+ left = readl(cohc->base->virtbase +
+ COH901318_CX_CTRL +
+ COH901318_CX_CTRL_SPACING * cohc->id) &
+ COH901318_CX_CTRL_TC_VALUE_MASK;
+
+ /* See if the transfer is linked... */
+ ladd = readl(cohc->base->virtbase +
+ COH901318_CX_LNK_ADDR +
+ COH901318_CX_LNK_ADDR_SPACING *
+ cohc->id) &
+ ~COH901318_CX_LNK_LINK_IMMEDIATE;
+ /* Single transaction */
+ if (!ladd)
+ continue;
+
+ /*
+ * Linked transaction, follow the lli, find the
+ * currently processing lli, and proceed to the next
+ */
+ lli = cohd->lli;
+ while (lli && lli->link_addr != ladd)
+ lli = lli->virt_link_addr;
+
+ if (lli)
+ lli = lli->virt_link_addr;
+
+ /*
+ * Follow remaining lli links around to count the total
+ * number of bytes left
+ */
+ left += coh901318_get_bytes_in_lli(lli);
+ } else {
+ left += coh901318_get_bytes_in_lli(cohd->lli);
+ }
+ i++;
+ }
+
+ /* Also count bytes in the queued jobs */
+ list_for_each(pos, &cohc->queue) {
+ cohd = list_entry(pos, struct coh901318_desc, node);
+ left += coh901318_get_bytes_in_lli(cohd->lli);
+ }