aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/pci/ddbridge/ddbridge-ci.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/pci/ddbridge/ddbridge-ci.c')
-rw-r--r--drivers/media/pci/ddbridge/ddbridge-ci.c53
1 files changed, 41 insertions, 12 deletions
diff --git a/drivers/media/pci/ddbridge/ddbridge-ci.c b/drivers/media/pci/ddbridge/ddbridge-ci.c
index 5828111487b0..a9dbc4ebf94f 100644
--- a/drivers/media/pci/ddbridge/ddbridge-ci.c
+++ b/drivers/media/pci/ddbridge/ddbridge-ci.c
@@ -172,6 +172,7 @@ static void ci_attach(struct ddb_port *port)
memcpy(&ci->en, &en_templ, sizeof(en_templ));
ci->en.data = ci;
port->en = &ci->en;
+ port->en_freedata = 1;
ci->port = port;
ci->nr = port->nr - 2;
}
@@ -304,6 +305,7 @@ static void ci_xo2_attach(struct ddb_port *port)
memcpy(&ci->en, &en_xo2_templ, sizeof(en_xo2_templ));
ci->en.data = ci;
port->en = &ci->en;
+ port->en_freedata = 1;
ci->port = port;
ci->nr = port->nr - 2;
ci->port->creg = 0;
@@ -311,38 +313,58 @@ static void ci_xo2_attach(struct ddb_port *port)
write_creg(ci, 0x08, 0x08);
}
-static struct cxd2099_cfg cxd_cfg = {
+static const struct cxd2099_cfg cxd_cfgtmpl = {
.bitrate = 72000,
- .adr = 0x40,
.polarity = 1,
.clock_mode = 1,
.max_i2c = 512,
};
+static int ci_cxd2099_attach(struct ddb_port *port, u32 bitrate)
+{
+ struct cxd2099_cfg cxd_cfg = cxd_cfgtmpl;
+ struct i2c_client *client;
+
+ cxd_cfg.bitrate = bitrate;
+ cxd_cfg.en = &port->en;
+
+ client = dvb_module_probe("cxd2099", NULL, &port->i2c->adap,
+ 0x40, &cxd_cfg);
+ if (!client)
+ goto err;
+
+ port->dvb[0].i2c_client[0] = client;
+ port->en_freedata = 0;
+ return 0;
+
+err:
+ dev_err(port->dev->dev, "CXD2099AR attach failed\n");
+ return -ENODEV;
+}
+
int ddb_ci_attach(struct ddb_port *port, u32 bitrate)
{
+ int ret;
+
switch (port->type) {
case DDB_CI_EXTERNAL_SONY:
- cxd_cfg.bitrate = bitrate;
- port->en = cxd2099_attach(&cxd_cfg, port, &port->i2c->adap);
- if (!port->en)
+ ret = ci_cxd2099_attach(port, bitrate);
+ if (ret)
return -ENODEV;
break;
-
case DDB_CI_EXTERNAL_XO2:
case DDB_CI_EXTERNAL_XO2_B:
ci_xo2_attach(port);
- if (!port->en)
- return -ENODEV;
break;
-
case DDB_CI_INTERNAL:
ci_attach(port);
- if (!port->en)
- return -ENODEV;
break;
+ default:
+ return -ENODEV;
}
+ if (!port->en)
+ return -ENODEV;
dvb_ca_en50221_init(port->dvb[0].adap, port->en, 0, 1);
return 0;
}
@@ -353,7 +375,14 @@ void ddb_ci_detach(struct ddb_port *port)
dvb_unregister_device(port->dvb[0].dev);
if (port->en) {
dvb_ca_en50221_release(port->en);
- kfree(port->en->data);
+
+ dvb_module_release(port->dvb[0].i2c_client[0]);
+ port->dvb[0].i2c_client[0] = NULL;
+
+ /* free alloc'ed memory if needed */
+ if (port->en_freedata)
+ kfree(port->en->data);
+
port->en = NULL;
}
}