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path: root/drivers/media/usb/em28xx/em28xx-dvb.c
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Diffstat (limited to 'drivers/media/usb/em28xx/em28xx-dvb.c')
-rw-r--r--drivers/media/usb/em28xx/em28xx-dvb.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-dvb.c b/drivers/media/usb/em28xx/em28xx-dvb.c
index f599b18ef7ca..a121ed9561fd 100644
--- a/drivers/media/usb/em28xx/em28xx-dvb.c
+++ b/drivers/media/usb/em28xx/em28xx-dvb.c
@@ -55,6 +55,8 @@
#include "mb86a20s.h"
#include "m88ds3103.h"
#include "m88ts2022.h"
+#include "si2168.h"
+#include "si2157.h"
MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>");
MODULE_LICENSE("GPL");
@@ -93,6 +95,7 @@ struct em28xx_dvb {
struct semaphore pll_mutex;
bool dont_attach_fe1;
int lna_gpio;
+ struct i2c_client *i2c_client_demod;
struct i2c_client *i2c_client_tuner;
};
@@ -743,6 +746,21 @@ static int em28xx_pctv_290e_set_lna(struct dvb_frontend *fe)
#endif
}
+static int em28xx_pctv_292e_set_lna(struct dvb_frontend *fe)
+{
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+ struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv;
+ struct em28xx *dev = i2c_bus->dev;
+ u8 lna;
+
+ if (c->lna == 1)
+ lna = 0x01;
+ else
+ lna = 0x00;
+
+ return em28xx_write_reg_bits(dev, EM2874_R80_GPIO_P0_CTRL, lna, 0x01);
+}
+
static int em28xx_mt352_terratec_xs_init(struct dvb_frontend *fe)
{
/* Values extracted from a USB trace of the Terratec Windows driver */
@@ -1496,6 +1514,63 @@ static int em28xx_dvb_init(struct em28xx *dev)
dvb->i2c_client_tuner = client;
}
break;
+ case EM28178_BOARD_PCTV_292E:
+ {
+ struct i2c_adapter *adapter;
+ struct i2c_client *client;
+ struct i2c_board_info info;
+ struct si2168_config si2168_config;
+ struct si2157_config si2157_config;
+
+ /* attach demod */
+ si2168_config.i2c_adapter = &adapter;
+ si2168_config.fe = &dvb->fe[0];
+ memset(&info, 0, sizeof(struct i2c_board_info));
+ strlcpy(info.type, "si2168", I2C_NAME_SIZE);
+ info.addr = 0x64;
+ info.platform_data = &si2168_config;
+ request_module(info.type);
+ client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &info);
+ if (client == NULL || client->dev.driver == NULL) {
+ result = -ENODEV;
+ goto out_free;
+ }
+
+ if (!try_module_get(client->dev.driver->owner)) {
+ i2c_unregister_device(client);
+ result = -ENODEV;
+ goto out_free;
+ }
+
+ dvb->i2c_client_demod = client;
+
+ /* attach tuner */
+ si2157_config.fe = dvb->fe[0];
+ memset(&info, 0, sizeof(struct i2c_board_info));
+ strlcpy(info.type, "si2157", I2C_NAME_SIZE);
+ info.addr = 0x60;
+ info.platform_data = &si2157_config;
+ request_module(info.type);
+ client = i2c_new_device(adapter, &info);
+ if (client == NULL || client->dev.driver == NULL) {
+ module_put(dvb->i2c_client_demod->dev.driver->owner);
+ i2c_unregister_device(dvb->i2c_client_demod);
+ result = -ENODEV;
+ goto out_free;
+ }
+
+ if (!try_module_get(client->dev.driver->owner)) {
+ i2c_unregister_device(client);
+ module_put(dvb->i2c_client_demod->dev.driver->owner);
+ i2c_unregister_device(dvb->i2c_client_demod);
+ result = -ENODEV;
+ goto out_free;
+ }
+
+ dvb->i2c_client_tuner = client;
+ dvb->fe[0]->ops.set_lna = em28xx_pctv_292e_set_lna;
+ }
+ break;
default:
em28xx_errdev("/2: The frontend of your DVB/ATSC card"
" isn't supported yet\n");
@@ -1582,6 +1657,13 @@ static int em28xx_dvb_fini(struct em28xx *dev)
i2c_unregister_device(client);
}
+ /* remove I2C demod */
+ client = dvb->i2c_client_demod;
+ if (client) {
+ module_put(client->dev.driver->owner);
+ i2c_unregister_device(client);
+ }
+
em28xx_unregister_dvb(dvb);
kfree(dvb);
dev->dvb = NULL;
@@ -1647,6 +1729,13 @@ static int em28xx_dvb_resume(struct em28xx *dev)
i2c_unregister_device(client);
}
+ /* remove I2C demod */
+ client = dvb->i2c_client_demod;
+ if (client) {
+ module_put(client->dev.driver->owner);
+ i2c_unregister_device(client);
+ }
+
em28xx_unregister_dvb(dvb);
kfree(dvb);
dev->dvb = NULL;