[media] dvb-usb-dvbsky: add T680CI dvb-t2/t/c usb ci box support

DVBSky T680CI dvb-t2/t/c usb ci box:
1>dvb frontend: SI2158A20(tuner), SI2168A30(demod)
2>usb controller: CY7C86013A
3>ci controller: CIMAX SP2 or its clone.

Signed-off-by: Nibble Max <nibble.max@gmail.com>
Reviewed-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

2 files changed, 124 insertions, 0 deletions

diff --git a/drivers/media/usb/dvb-usb-v2/Kconfig b/drivers/media/usb/dvb-usb-v2/Kconfig
index 74230339f62b..0982e734fab5 100644
--- a/drivers/media/usb/dvb-usb-v2/Kconfig
+++ b/drivers/media/usb/dvb-usb-v2/Kconfig
@@ -145,7 +145,9 @@ config DVB_USB_DVBSKY
         tristate "DVBSky USB support"
         depends on DVB_USB_V2
         select DVB_M88DS3103 if MEDIA_SUBDRV_AUTOSELECT
+        select DVB_SI2168 if MEDIA_SUBDRV_AUTOSELECT
         select MEDIA_TUNER_M88TS2022 if MEDIA_SUBDRV_AUTOSELECT
+        select MEDIA_TUNER_SI2157 if MEDIA_SUBDRV_AUTOSELECT
         select DVB_SP2 if MEDIA_SUBDRV_AUTOSELECT
         help
           Say Y here to support the USB receivers from DVBSky.
diff --git a/drivers/media/usb/dvb-usb-v2/dvbsky.c b/drivers/media/usb/dvb-usb-v2/dvbsky.c
index 8be8447fb2be..b6326c6dac13 100644
--- a/drivers/media/usb/dvb-usb-v2/dvbsky.c
+++ b/drivers/media/usb/dvb-usb-v2/dvbsky.c
@@ -22,6 +22,8 @@
 #include "m88ds3103.h"
 #include "m88ts2022.h"
 #include "sp2.h"
+#include "si2168.h"
+#include "si2157.h"
 
 #define DVBSKY_MSG_DELAY        0/*2000*/
 #define DVBSKY_BUF_LEN  64
@@ -37,6 +39,7 @@ struct dvbsky_state {
         u8 ibuf[DVBSKY_BUF_LEN];
         u8 obuf[DVBSKY_BUF_LEN];
         u8 last_lock;
+        struct i2c_client *i2c_client_demod;
         struct i2c_client *i2c_client_tuner;
         struct i2c_client *i2c_client_ci;
 
@@ -517,6 +520,90 @@ fail_attach:
         return ret;
 }
 
+static int dvbsky_t680c_attach(struct dvb_usb_adapter *adap)
+{
+        struct dvbsky_state *state = adap_to_priv(adap);
+        struct dvb_usb_device *d = adap_to_d(adap);
+        int ret = 0;
+        struct i2c_adapter *i2c_adapter;
+        struct i2c_client *client_demod, *client_tuner, *client_ci;
+        struct i2c_board_info info;
+        struct si2168_config si2168_config;
+        struct si2157_config si2157_config;
+        struct sp2_config sp2_config;
+
+        /* attach demod */
+        memset(&si2168_config, 0, sizeof(si2168_config));
+        si2168_config.i2c_adapter = &i2c_adapter;
+        si2168_config.fe = &adap->fe[0];
+        si2168_config.ts_mode = SI2168_TS_PARALLEL;
+        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_demod = i2c_new_device(&d->i2c_adap, &info);
+        if (client_demod == NULL ||
+                        client_demod->dev.driver == NULL)
+                goto fail_demod_device;
+        if (!try_module_get(client_demod->dev.driver->owner))
+                goto fail_demod_module;
+
+        /* attach tuner */
+        memset(&si2157_config, 0, sizeof(si2157_config));
+        si2157_config.fe = adap->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_tuner = i2c_new_device(i2c_adapter, &info);
+        if (client_tuner == NULL ||
+                        client_tuner->dev.driver == NULL)
+                goto fail_tuner_device;
+        if (!try_module_get(client_tuner->dev.driver->owner))
+                goto fail_tuner_module;
+
+        /* attach ci controller */
+        memset(&sp2_config, 0, sizeof(sp2_config));
+        sp2_config.dvb_adap = &adap->dvb_adap;
+        sp2_config.priv = d;
+        sp2_config.ci_control = dvbsky_ci_ctrl;
+        memset(&info, 0, sizeof(struct i2c_board_info));
+        strlcpy(info.type, "sp2", I2C_NAME_SIZE);
+        info.addr = 0x40;
+        info.platform_data = &sp2_config;
+
+        request_module(info.type);
+        client_ci = i2c_new_device(&d->i2c_adap, &info);
+
+        if (client_ci == NULL || client_ci->dev.driver == NULL)
+                goto fail_ci_device;
+
+        if (!try_module_get(client_ci->dev.driver->owner))
+                goto fail_ci_module;
+
+        state->i2c_client_demod = client_demod;
+        state->i2c_client_tuner = client_tuner;
+        state->i2c_client_ci = client_ci;
+        return ret;
+fail_ci_module:
+        i2c_unregister_device(client_ci);
+fail_ci_device:
+        module_put(client_tuner->dev.driver->owner);
+fail_tuner_module:
+        i2c_unregister_device(client_tuner);
+fail_tuner_device:
+        module_put(client_demod->dev.driver->owner);
+fail_demod_module:
+        i2c_unregister_device(client_demod);
+fail_demod_device:
+        ret = -ENODEV;
+        return ret;
+}
+
 static int dvbsky_identify_state(struct dvb_usb_device *d, const char **name)
 {
         dvbsky_gpio_ctrl(d, 0x04, 1);
@@ -559,6 +646,12 @@ static void dvbsky_exit(struct dvb_usb_device *d)
                 module_put(client->dev.driver->owner);
                 i2c_unregister_device(client);
         }
+        client = state->i2c_client_demod;
+        /* remove I2C demod */
+        if (client) {
+                module_put(client->dev.driver->owner);
+                i2c_unregister_device(client);
+        }
         client = state->i2c_client_ci;
         /* remove I2C ci */
         if (client) {
@@ -622,11 +715,40 @@ static struct dvb_usb_device_properties dvbsky_s960c_props = {
         }
 };
 
+static struct dvb_usb_device_properties dvbsky_t680c_props = {
+        .driver_name = KBUILD_MODNAME,
+        .owner = THIS_MODULE,
+        .adapter_nr = adapter_nr,
+        .size_of_priv = sizeof(struct dvbsky_state),
+
+        .generic_bulk_ctrl_endpoint = 0x01,
+        .generic_bulk_ctrl_endpoint_response = 0x81,
+        .generic_bulk_ctrl_delay = DVBSKY_MSG_DELAY,
+
+        .i2c_algo         = &dvbsky_i2c_algo,
+        .frontend_attach  = dvbsky_t680c_attach,
+        .init             = dvbsky_init,
+        .get_rc_config    = dvbsky_get_rc_config,
+        .streaming_ctrl   = dvbsky_streaming_ctrl,
+        .identify_state   = dvbsky_identify_state,
+        .exit             = dvbsky_exit,
+        .read_mac_address = dvbsky_read_mac_addr,
+
+        .num_adapters = 1,
+        .adapter = {
+                {
+                        .stream = DVB_USB_STREAM_BULK(0x82, 8, 4096),
+                }
+        }
+};
+
 static const struct usb_device_id dvbsky_id_table[] = {
         { DVB_USB_DEVICE(0x0572, 0x6831,
                 &dvbsky_s960_props, "DVBSky S960/S860", RC_MAP_DVBSKY) },
         { DVB_USB_DEVICE(0x0572, 0x960c,
                 &dvbsky_s960c_props, "DVBSky S960CI", RC_MAP_DVBSKY) },
+        { DVB_USB_DEVICE(0x0572, 0x680c,
+                &dvbsky_t680c_props, "DVBSky T680CI", RC_MAP_DVBSKY) },
         { }
 };
 MODULE_DEVICE_TABLE(usb, dvbsky_id_table);