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gpu: ipu-v3: Add CSI and SMFC module enable wrappers

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IPU_CONF_..._EN bits are implementation details, not to be made public.
Add wrappers around ipu_module_enable/disable, so the CSI V4L2 driver
can enable/disable the CSI and SMFC modules.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This commit is contained in:
Philipp Zabel 2012-05-22 17:08:48 +02:00
parent e90460970f
commit 3f5a8a946d
2 changed files with 32 additions and 0 deletions
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24
drivers/gpu/ipu-v3/ipu-common.c
View File

@ -661,6 +661,30 @@ int ipu_module_disable(struct ipu_soc *ipu, u32 mask)
}
EXPORT_SYMBOL_GPL(ipu_module_disable);
int ipu_csi_enable(struct ipu_soc *ipu, int csi)
{
return ipu_module_enable(ipu, csi ? IPU_CONF_CSI1_EN : IPU_CONF_CSI0_EN);
}
EXPORT_SYMBOL_GPL(ipu_csi_enable);
int ipu_csi_disable(struct ipu_soc *ipu, int csi)
{
return ipu_module_disable(ipu, csi ? IPU_CONF_CSI1_EN : IPU_CONF_CSI0_EN);
}
EXPORT_SYMBOL_GPL(ipu_csi_disable);
int ipu_smfc_enable(struct ipu_soc *ipu)
{
return ipu_module_enable(ipu, IPU_CONF_SMFC_EN);
}
EXPORT_SYMBOL_GPL(ipu_smfc_enable);
int ipu_smfc_disable(struct ipu_soc *ipu)
{
return ipu_module_disable(ipu, IPU_CONF_SMFC_EN);
}
EXPORT_SYMBOL_GPL(ipu_smfc_disable);
int ipu_idmac_get_current_buffer(struct ipuv3_channel *channel)
{
struct ipu_soc *ipu = channel->ipu;

8
include/video/imx-ipu-v3.h
View File

@ -161,9 +161,17 @@ int ipu_dp_set_window_pos(struct ipu_dp *, u16 x_pos, u16 y_pos);
int ipu_dp_set_global_alpha(struct ipu_dp *dp, bool enable, u8 alpha,
bool bg_chan);
/*
* IPU CMOS Sensor Interface (csi) functions
*/
int ipu_csi_enable(struct ipu_soc *ipu, int csi);
int ipu_csi_disable(struct ipu_soc *ipu, int csi);
/*
* 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);