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Commit 3f5a8a94 authored by Philipp Zabel's avatar Philipp Zabel
Browse files

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



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: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
parent e9046097

drivers/gpu/ipu-v3/ipu-common.c

+24 −0
Original line number Diff line number Diff line
@@ -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;

include/video/imx-ipu-v3.h

+8 −0
Original line number Diff line number Diff line
@@ -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);