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media: omap3isp: Parse CSI1 configuration from the device tree 

Add support for parsing CSI1 configuration.

Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Tested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> # on Beagleboard-xM + MPT9P031
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
hifive-unleashed-5.1
Pavel Machek 2017-02-28 06:38:16 -05:00 committed by Mauro Carvalho Chehab
parent cb74749493
commit 9211434bad
2 changed files with 77 additions and 25 deletions
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101
drivers/media/platform/omap3isp/isp.c
View File

@ -2018,6 +2018,7 @@ static int isp_fwnode_parse(struct device *dev, struct fwnode_handle *fwnode,
struct v4l2_fwnode_endpoint vep;
unsigned int i;
int ret;
bool csi1 = false;
ret = v4l2_fwnode_endpoint_parse(fwnode, &vep);
if (ret)
@ -2047,41 +2048,91 @@ static int isp_fwnode_parse(struct device *dev, struct fwnode_handle *fwnode,
case ISP_OF_PHY_CSIPHY1:
case ISP_OF_PHY_CSIPHY2:
/* FIXME: always assume CSI-2 for now. */
switch (vep.bus_type) {
case V4L2_MBUS_CCP2:
case V4L2_MBUS_CSI1:
dev_dbg(dev, "CSI-1/CCP-2 configuration\n");
csi1 = true;
break;
case V4L2_MBUS_CSI2:
dev_dbg(dev, "CSI-2 configuration\n");
csi1 = false;
break;
default:
dev_err(dev, "unsupported bus type %u\n",
vep.bus_type);
return -EINVAL;
}
switch (vep.base.port) {
case ISP_OF_PHY_CSIPHY1:
buscfg->interface = ISP_INTERFACE_CSI2C_PHY1;
if (csi1)
buscfg->interface = ISP_INTERFACE_CCP2B_PHY1;
else
buscfg->interface = ISP_INTERFACE_CSI2C_PHY1;
break;
case ISP_OF_PHY_CSIPHY2:
buscfg->interface = ISP_INTERFACE_CSI2A_PHY2;
if (csi1)
buscfg->interface = ISP_INTERFACE_CCP2B_PHY2;
else
buscfg->interface = ISP_INTERFACE_CSI2A_PHY2;
break;
}
buscfg->bus.csi2.lanecfg.clk.pos = vep.bus.mipi_csi2.clock_lane;
buscfg->bus.csi2.lanecfg.clk.pol =
vep.bus.mipi_csi2.lane_polarities[0];
dev_dbg(dev, "clock lane polarity %u, pos %u\n",
buscfg->bus.csi2.lanecfg.clk.pol,
buscfg->bus.csi2.lanecfg.clk.pos);
if (csi1) {
buscfg->bus.ccp2.lanecfg.clk.pos =
vep.bus.mipi_csi1.clock_lane;
buscfg->bus.ccp2.lanecfg.clk.pol =
vep.bus.mipi_csi1.lane_polarity[0];
dev_dbg(dev, "clock lane polarity %u, pos %u\n",
buscfg->bus.ccp2.lanecfg.clk.pol,
buscfg->bus.ccp2.lanecfg.clk.pos);
buscfg->bus.csi2.num_data_lanes =
vep.bus.mipi_csi2.num_data_lanes;
buscfg->bus.ccp2.lanecfg.data[0].pos =
vep.bus.mipi_csi1.data_lane;
buscfg->bus.ccp2.lanecfg.data[0].pol =
vep.bus.mipi_csi1.lane_polarity[1];
for (i = 0; i < buscfg->bus.csi2.num_data_lanes; i++) {
buscfg->bus.csi2.lanecfg.data[i].pos =
vep.bus.mipi_csi2.data_lanes[i];
buscfg->bus.csi2.lanecfg.data[i].pol =
vep.bus.mipi_csi2.lane_polarities[i + 1];
dev_dbg(dev, "data lane %u polarity %u, pos %u\n", i,
buscfg->bus.csi2.lanecfg.data[i].pol,
buscfg->bus.csi2.lanecfg.data[i].pos);
}
buscfg->bus.ccp2.lanecfg.data[0].pol,
buscfg->bus.ccp2.lanecfg.data[0].pos);
/*
* FIXME: now we assume the CRC is always there.
* Implement a way to obtain this information from the
* sensor. Frame descriptors, perhaps?
*/
buscfg->bus.csi2.crc = 1;
buscfg->bus.ccp2.strobe_clk_pol =
vep.bus.mipi_csi1.clock_inv;
buscfg->bus.ccp2.phy_layer = vep.bus.mipi_csi1.strobe;
buscfg->bus.ccp2.ccp2_mode =
vep.bus_type == V4L2_MBUS_CCP2;
buscfg->bus.ccp2.vp_clk_pol = 1;
buscfg->bus.ccp2.crc = 1;
} else {
buscfg->bus.csi2.lanecfg.clk.pos =
vep.bus.mipi_csi2.clock_lane;
buscfg->bus.csi2.lanecfg.clk.pol =
vep.bus.mipi_csi2.lane_polarities[0];
dev_dbg(dev, "clock lane polarity %u, pos %u\n",
buscfg->bus.csi2.lanecfg.clk.pol,
buscfg->bus.csi2.lanecfg.clk.pos);
buscfg->bus.csi2.num_data_lanes =
vep.bus.mipi_csi2.num_data_lanes;
for (i = 0; i < buscfg->bus.csi2.num_data_lanes; i++) {
buscfg->bus.csi2.lanecfg.data[i].pos =
vep.bus.mipi_csi2.data_lanes[i];
buscfg->bus.csi2.lanecfg.data[i].pol =
vep.bus.mipi_csi2.lane_polarities[i + 1];
dev_dbg(dev,
"data lane %u polarity %u, pos %u\n", i,
buscfg->bus.csi2.lanecfg.data[i].pol,
buscfg->bus.csi2.lanecfg.data[i].pos);
}
/*
* FIXME: now we assume the CRC is always there.
* Implement a way to obtain this information from the
* sensor. Frame descriptors, perhaps?
*/
buscfg->bus.csi2.crc = 1;
}
break;
default:

1
drivers/media/platform/omap3isp/omap3isp.h
View File

@ -110,6 +110,7 @@ struct isp_ccp2_cfg {
unsigned int ccp2_mode:1;
unsigned int phy_layer:1;
unsigned int vpclk_div:2;
unsigned int vp_clk_pol:1;
struct isp_csiphy_lanes_cfg lanecfg;
};