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This patch adds device attribution for video device to
show csi number to userspace. The pattern is in "ipux_csix"
fashion, which tells which ipu and csi is relevant to a
specific video device. In this way, userspace may figure
out different cameras even if they have the same type,
especially, android may use this to know back/front
cameras.
Signed-off-by: Liu Ying <Ying.Liu@freescale.com>
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Flickering issue happens when there's no buffer to be processed(e.g., the
pace of QBUF is much slower than DQBUF). The cause is the hardware is using
double buffering, while the driver has no good protection at above case and
thus the CSI will fill the buffer not in the right order. The way to fix is
refining the output of the working_q buffer list, that is, if there's no buffer
to be processed then output to a dummy buffer.
Another important change is to only do DMA reflash operation when SOF is
detected in streamon. Remove this operation is CSI interrupt handler because
it violates to the SPEC (only do DMA reflash before DMA is enabled but NOT at
the time or after DMA's enabled).
Signed-off-by: LiGang <b41990@freescale.com>
Signed-off-by: Robby Cai <R63905@freescale.com>
(cherry picked from commit 0c4584763fa44b01a2f48198fa27c9206a116164)
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1) Change to enable/disable mclk only in open, release,
suspend and resume functions, since we may simply think that
sensor or mclk will be used soon after cam->open_count is non-zero.
2) Fix a bug when calling ipu_csi_enable_mclk_if() with wrong
parameter(cam->csi should be cam->mclk_source) in mxc_v4l2_close()
and in mxc_v4l2_s_ctrl() with V4L2_CID_MXC_SWITCH_CAM control id.
Signed-off-by: Liu Ying <Ying.Liu@freescale.com>
(cherry picked from commit be689b81ac24c0a4373a989664ec51ad77db0ced)
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For CSI on MX6SL, there's only 1 CSI and hence no need to change csi souce.
We add this parameter just for compatibility.
Adjust the called api in related camera drivers.
Signed-off-by: Robby Cai <R63905@freescale.com>
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The default output format from camera is UYVY. For preview purpose, need
convert the format to RGB565. Use PxP CSC as post processing.
Signed-off-by: Robby Cai <R63905@freescale.com>
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Replace CSI_PRP_VF_MEM channel with CSI_MEM, then using ipu device
to do the processing or directly send to framebuffer if no processing
need to be perform.
Add the foreground overlay driver file name ipu_fg_overlay_sdc.c correspondding
to the former ipu_prp_vf_sdc.c
Discard the cam->vf_rotation parametter when uing the ipu device for processing
in the overlay, share the cam->rotation parametter with pp.
Signed-off-by: Yuxi sun <b36102@freescale.com>
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dual camera support for mx6q and mx6dl:
1. let mipi and parallel camera working on different csi
2. the two camera can work independently and synchronously
3. the two camera will be registered and different video
device(/dev/video0, /dev/video1)
4. when both camera are working, the can not use the same
ipu channel, that is, when camera one using PRP_ENC_MEM
or PRP_VF_MEM channel, the other one can only use CSI_MEM
this is the driver part.
Signed-off-by: Wu Guoxing <b39297@freescale.com>
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Add IOCTRL command V4L2_CID_MXC_SWITCH_CAM for multi camera switch
Signed-off-by: Yuxi Sun <b36102@freescale.com>
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since smp_lock.h has been removed on v3.0
Signed-off-by: Jason Liu <r64343@freescale.com>
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add user space memory allocation for kernel v4l2 interface in ics.
Signed-off-by: Liu Xiaowen <b37945@freescale.com>
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v4l2 capture changes based on ipu change.
Signed-off-by: Yuxi Sun <b36102@freescale.com>
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Add drivers/mxc
Add drivers/video/mxc
Add drivers/media/mxc
fb device: change acquire_console_sem to console_lock
And release_console_sem to console_unlock
Add DMA Zone support
Add TVE driver, add regulator
Add hdmi support
Add VPU
Fix build error
ioctl --> unlocked_ioctl
DECLARE_MUTEX --> DEFINE_SEMAPHORE
Signed-off-by: Jason Chen <b02280@freescale.com>
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
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