Hello Olli,
dvb-usb-dvbsky driver did not exist when you wrote the driver for TechnoTrend CT2-4650.
It is the good choise to add the new device in cxusb driver for that time.
But cxusb is a real big driver, which depends on many frontend modules.
Some users make complaints in their embedded system.
And the current media tree requires the new dvb usb driver to be dvb-usb-v2 type.
So I think it is better to add T680CI device in dvb-usb-dvbsky driver.
When this patch is accepted, I think it is easy to move CT2-4650 and CT2-4400 to dvb-usb-dvbsky driver.
Best Regards,
Max
On 2014-11-13 19:01:19, Olli Salonen <olli.salonen@xxxxxx> wrote:
>Hi Max,
>
>My understanding is that T680CI is the same device as TechnoTrend CT2-4650
>CI that is already supported by the cxusb driver. I think we should not
>duplicate this over two drivers. In my opinion, two options exist:
>
>- you add T680CI in the dvbsky driver and move CT2-4650 also to dvbsky
>- you add T680CI into cxusb driver
>
>What do you think?
>
>Cheers,
>-olli
>
>On Thu, 13 Nov 2014, Nibble Max wrote:
>
>> 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@xxxxxxxxx>
>> ---
>> drivers/media/usb/dvb-usb-v2/Kconfig | 2 +
>> drivers/media/usb/dvb-usb-v2/dvbsky.c | 122 ++++++++++++++++++++++++++++++++++
>> 2 files changed, 124 insertions(+)
>>
>> diff --git a/drivers/media/usb/dvb-usb-v2/Kconfig b/drivers/media/usb/dvb-usb-v2/Kconfig
>> index 7423033..0982e73 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 8be8447..b6326c6 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);
>>
>> --
>> 1.9.1
>>
>>
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