* Derived from ivtv-queue.c
*
* Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
- * Copyright (C) 2008 Andy Walls <awalls@radix.net>
+ * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net>
*
* 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
return mdl;
}
-static void _cx18_mdl_set_buf_bytesused(struct cx18_stream *s,
- struct cx18_mdl *mdl)
+static void _cx18_mdl_update_bufs_for_cpu(struct cx18_stream *s,
+ struct cx18_mdl *mdl)
{
struct cx18_buffer *buf;
u32 buf_size = s->buf_size;
buf->bytesused = bytesused;
bytesused = 0;
}
+ cx18_buf_sync_for_cpu(s, buf);
}
}
-static inline void cx18_mdl_set_buf_bytesused(struct cx18_stream *s,
- struct cx18_mdl *mdl)
+static inline void cx18_mdl_update_bufs_for_cpu(struct cx18_stream *s,
+ struct cx18_mdl *mdl)
{
struct cx18_buffer *buf;
list);
buf->bytesused = mdl->bytesused;
buf->readpos = 0;
+ cx18_buf_sync_for_cpu(s, buf);
} else {
- _cx18_mdl_set_buf_bytesused(s, mdl);
+ _cx18_mdl_update_bufs_for_cpu(s, mdl);
}
}
ret->bytesused = bytesused;
ret->skipped = 0;
/* 0'ed readpos, m_flags & curr_buf when mdl went on q_busy */
- cx18_mdl_set_buf_bytesused(s, ret);
- cx18_mdl_sync_for_cpu(s, ret);
+ cx18_mdl_update_bufs_for_cpu(s, ret);
if (s->type != CX18_ENC_STREAM_TYPE_TS)
set_bit(CX18_F_M_NEED_SWAP, &ret->m_flags);
}
}
}
-void _cx18_mdl_sync_for_cpu(struct cx18_stream *s, struct cx18_mdl *mdl)
-{
- int dma = s->dma;
- u32 buf_size = s->buf_size;
- struct pci_dev *pci_dev = s->cx->pci_dev;
- struct cx18_buffer *buf;
-
- list_for_each_entry(buf, &mdl->buf_list, list)
- pci_dma_sync_single_for_cpu(pci_dev, buf->dma_handle,
- buf_size, dma);
-}
-
void _cx18_mdl_sync_for_device(struct cx18_stream *s, struct cx18_mdl *mdl)
{
int dma = s->dma;
{
struct cx18_mdl *mdl;
struct cx18_buffer *buf;
+ struct cx18 *cx = s->cx;
+
+ CX18_DEBUG_INFO("Deallocating buffers for %s stream\n", s->name);
/* move all buffers to buf_pool and all MDLs to q_idle */
cx18_unload_queues(s);