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media: vivid: add CEC support to display present ctrl

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Set/invalidate physical addresses based on the configuration of the
display present control. This is relevant not only when the display
present control is modified, but also when the Vivid instance EDID is
set/cleared.

Signed-off-by: Johan Korsnes <johan.korsnes@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Johan Korsnes 2019-06-18 03:37:25 -04:00 committed by Mauro Carvalho Chehab
parent 4ee895e71a
commit 4938958f53
3 changed files with 38 additions and 6 deletions
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25
drivers/media/platform/vivid/vivid-ctrls.c
View File

@ -18,6 +18,7 @@
#include "vivid-radio-common.h"
#include "vivid-osd.h"
#include "vivid-ctrls.h"
#include "vivid-cec.h"
#define VIVID_CID_CUSTOM_BASE (V4L2_CID_USER_BASE | 0xf000)
#define VIVID_CID_BUTTON (VIVID_CID_CUSTOM_BASE + 0)
@ -925,7 +926,7 @@ static int vivid_vid_out_s_ctrl(struct v4l2_ctrl *ctrl)
struct vivid_dev *dev = container_of(ctrl->handler, struct vivid_dev, ctrl_hdl_vid_out);
struct v4l2_bt_timings *bt = &dev->dv_timings_out.bt;
u32 display_present = 0;
unsigned int i, j;
unsigned int i, j, bus_idx;
switch (ctrl->id) {
case VIVID_CID_HAS_CROP_OUT:
@ -964,15 +965,31 @@ static int vivid_vid_out_s_ctrl(struct v4l2_ctrl *ctrl)
break;
dev->display_present[dev->output] = ctrl->val;
for (i = 0, j = 0; i < dev->num_outputs; i++)
if (dev->output_type[i] == HDMI)
display_present |=
dev->display_present[i] << j++;
__v4l2_ctrl_s_ctrl(dev->ctrl_tx_hotplug, display_present);
__v4l2_ctrl_s_ctrl(dev->ctrl_tx_rxsense, display_present);
__v4l2_ctrl_s_ctrl(dev->ctrl_tx_edid_present, display_present);
if (dev->edid_blocks) {
__v4l2_ctrl_s_ctrl(dev->ctrl_tx_edid_present,
display_present);
__v4l2_ctrl_s_ctrl(dev->ctrl_tx_hotplug,
display_present);
}
bus_idx = dev->cec_output2bus_map[dev->output];
if (!dev->cec_tx_adap[bus_idx])
break;
if (ctrl->val && dev->edid_blocks)
cec_s_phys_addr(dev->cec_tx_adap[bus_idx],
dev->cec_tx_adap[bus_idx]->phys_addr,
false);
else
cec_phys_addr_invalidate(dev->cec_tx_adap[bus_idx]);
break;
}
return 0;

17
drivers/media/platform/vivid/vivid-vid-cap.c
View File

@ -1748,7 +1748,8 @@ int vidioc_s_edid(struct file *file, void *_fh,
{
struct vivid_dev *dev = video_drvdata(file);
u16 phys_addr;
unsigned int i;
u32 display_present = 0;
unsigned int i, j;
int ret;
memset(edid->reserved, 0, sizeof(edid->reserved));
@ -1758,6 +1759,8 @@ int vidioc_s_edid(struct file *file, void *_fh,
return -EINVAL;
if (edid->blocks == 0) {
dev->edid_blocks = 0;
v4l2_ctrl_s_ctrl(dev->ctrl_tx_edid_present, 0);
v4l2_ctrl_s_ctrl(dev->ctrl_tx_hotplug, 0);
phys_addr = CEC_PHYS_ADDR_INVALID;
goto set_phys_addr;
}
@ -1776,13 +1779,23 @@ int vidioc_s_edid(struct file *file, void *_fh,
dev->edid_blocks = edid->blocks;
memcpy(dev->edid, edid->edid, edid->blocks * 128);
for (i = 0, j = 0; i < dev->num_outputs; i++)
if (dev->output_type[i] == HDMI)
display_present |=
dev->display_present[i] << j++;
v4l2_ctrl_s_ctrl(dev->ctrl_tx_edid_present, display_present);
v4l2_ctrl_s_ctrl(dev->ctrl_tx_hotplug, display_present);
set_phys_addr:
/* TODO: a proper hotplug detect cycle should be emulated here */
cec_s_phys_addr(dev->cec_rx_adap, phys_addr, false);
for (i = 0; i < MAX_OUTPUTS && dev->cec_tx_adap[i]; i++)
cec_s_phys_addr(dev->cec_tx_adap[i],
v4l2_phys_addr_for_input(phys_addr, i + 1),
dev->display_present[i] ?
v4l2_phys_addr_for_input(phys_addr, i + 1) :
CEC_PHYS_ADDR_INVALID,
false);
return 0;
}

2
drivers/media/platform/vivid/vivid-vid-common.c
View File

@ -887,6 +887,8 @@ int vidioc_g_edid(struct file *file, void *_fh,
return -EINVAL;
if (dev->output_type[edid->pad] != HDMI)
return -EINVAL;
if (!dev->display_present[edid->pad])
return -ENODATA;
bus_idx = dev->cec_output2bus_map[edid->pad];
adap = dev->cec_tx_adap[bus_idx];
}