diff options
| author |   Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 12:17:53 -0700 |
|---|---|---|
| committer | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 15:44:42 -0700 |
| commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
| tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/drivers/media/pci/ivtv/ivtv-udma.h | |
| parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) | |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/drivers/media/pci/ivtv/ivtv-udma.h')
| -rw-r--r-- | kernel/drivers/media/pci/ivtv/ivtv-udma.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/kernel/drivers/media/pci/ivtv/ivtv-udma.h b/kernel/drivers/media/pci/ivtv/ivtv-udma.h new file mode 100644 index 000000000..ee3c9efb5 --- /dev/null +++ b/kernel/drivers/media/pci/ivtv/ivtv-udma.h @@ -0,0 +1,48 @@ +/* + Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at yahoo.com> + Copyright (C) 2004 Chris Kennedy <c@groovy.org> + Copyright (C) 2006-2007 Hans Verkuil <hverkuil@xs4all.nl> + + 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 + */ + +#ifndef IVTV_UDMA_H +#define IVTV_UDMA_H + +/* User DMA functions */ +void ivtv_udma_get_page_info(struct ivtv_dma_page_info *dma_page, unsigned long first, unsigned long size); +int ivtv_udma_fill_sg_list(struct ivtv_user_dma *dma, struct ivtv_dma_page_info *dma_page, int map_offset); +void ivtv_udma_fill_sg_array(struct ivtv_user_dma *dma, u32 buffer_offset, u32 buffer_offset_2, u32 split); +int ivtv_udma_setup(struct ivtv *itv, unsigned long ivtv_dest_addr, + void __user *userbuf, int size_in_bytes); +void ivtv_udma_unmap(struct ivtv *itv); +void ivtv_udma_free(struct ivtv *itv); +void ivtv_udma_alloc(struct ivtv *itv); +void ivtv_udma_prepare(struct ivtv *itv); +void ivtv_udma_start(struct ivtv *itv); + +static inline void ivtv_udma_sync_for_device(struct ivtv *itv) +{ + pci_dma_sync_single_for_device(itv->pdev, itv->udma.SG_handle, + sizeof(itv->udma.SGarray), PCI_DMA_TODEVICE); +} + +static inline void ivtv_udma_sync_for_cpu(struct ivtv *itv) +{ + pci_dma_sync_single_for_cpu(itv->pdev, itv->udma.SG_handle, + sizeof(itv->udma.SGarray), PCI_DMA_TODEVICE); +} + +#endif |