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gpu: ipu-v3: smfc: Convert to per-channel

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Convert the smfc object to be specific to a single smfc channel.
Add ipu_smfc_{get|put} to retrieve and release a single smfc channel
for exclusive use, and add use counter to ipu_smfc_{enable|disable}.

Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This commit is contained in:
Steve Longerbeam
2014-06-25 18:05:34 -07:00
committed by Philipp Zabel
parent fc4353559e
commit 7fafa8f06f
2 changed files with 112 additions and 30 deletions
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include/video/imx-ipu-v3.h
+6 -4
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@@ -290,10 +290,12 @@ void ipu_ic_dump(struct ipu_ic *ic);
/*
* IPU Sensor Multiple FIFO Controller (SMFC) functions
*/
int ipu_smfc_enable(struct ipu_soc *ipu);
int ipu_smfc_disable(struct ipu_soc *ipu);
int ipu_smfc_map_channel(struct ipu_soc *ipu, int channel, int csi_id, int mipi_id);
int ipu_smfc_set_burstsize(struct ipu_soc *ipu, int channel, int burstsize);
struct ipu_smfc *ipu_smfc_get(struct ipu_soc *ipu, unsigned int chno);
void ipu_smfc_put(struct ipu_smfc *smfc);
int ipu_smfc_enable(struct ipu_smfc *smfc);
int ipu_smfc_disable(struct ipu_smfc *smfc);
int ipu_smfc_map_channel(struct ipu_smfc *smfc, int csi_id, int mipi_id);
int ipu_smfc_set_burstsize(struct ipu_smfc *smfc, int burstsize);
enum ipu_color_space ipu_drm_fourcc_to_colorspace(u32 drm_fourcc);
enum ipu_color_space ipu_pixelformat_to_colorspace(u32 pixelformat);