Re: [linux-dvb] Avermedia A312 - patch for review

["Daniel Perzynski" <Daniel.Perzynski@aster.pl>]

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Hi,

 

According to the suggestions I've modified dvb-usb-ids.h and cxusb.c to add
a support for that card.

 

I would appreciate someone to look at the code below and compare it with
spec on the wiki for that card.

 

--- ala/v4l-dvb/linux/drivers/media/dvb/dvb-usb/dvb-usb-ids.h
2008-12-14 23:11:28.000000000 +0100

+++ v4l-dvb/linux/drivers/media/dvb/dvb-usb/dvb-usb-ids.h   2008-12-14
22:08:17.000000000 +0100

@@ -234,5 +234,5 @@

 #define USB_PID_XTENSIONS_XD_380
0x0381

 #define USB_PID_TELESTAR_STARSTICK_2
0x8000

 #define USB_PID_MSI_DIGI_VOX_MINI_III                   0x8807

-

+#define USB_PID_AVERMEDIA_A312                          0xa312

 #endif

--- ala/v4l-dvb/linux/drivers/media/dvb/dvb-usb/cxusb.c
2008-12-14 23:11:28.000000000 +0100

+++ v4l-dvb/linux/drivers/media/dvb/dvb-usb/cxusb.c
2008-12-14 22:43:33.000000000 +0100

@@ -1224,6 +1224,8 @@

 static struct dvb_usb_device_properties cxusb_bluebird_nano2_properties;

 static struct dvb_usb_device_properties
cxusb_bluebird_nano2_needsfirmware_properties;

 static struct dvb_usb_device_properties cxusb_aver_a868r_properties;

+static struct dvb_usb_device_properties cxusb_aver_a312_properties;

+

 static struct dvb_usb_device_properties cxusb_d680_dmb_properties;

 

 static int cxusb_probe(struct usb_interface *intf,

@@ -1248,6 +1250,8 @@

 
THIS_MODULE, NULL, adapter_nr) ||

                    0 == dvb_usb_device_init(intf,
&cxusb_aver_a868r_properties,

 
THIS_MODULE, NULL, adapter_nr) ||

+                 0 == dvb_usb_device_init(intf,
&cxusb_aver_a312_properties,

+
THIS_MODULE, NULL, adapter_nr) ||

                    0 == dvb_usb_device_init(intf,

 
&cxusb_bluebird_dualdig4_rev2_properties,

 
THIS_MODULE, NULL, adapter_nr) ||

@@ -1277,6 +1281,7 @@

                { USB_DEVICE(USB_VID_DVICO,
USB_PID_DVICO_BLUEBIRD_DVB_T_NANO_2) },

                { USB_DEVICE(USB_VID_DVICO,
USB_PID_DVICO_BLUEBIRD_DVB_T_NANO_2_NFW_WARM) },

                { USB_DEVICE(USB_VID_AVERMEDIA,
USB_PID_AVERMEDIA_VOLAR_A868R) },

+             { USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A312) },

                { USB_DEVICE(USB_VID_DVICO,
USB_PID_DVICO_BLUEBIRD_DUAL_4_REV_2) },

                { USB_DEVICE(USB_VID_CONEXANT, USB_PID_CONEXANT_D680_DMB) },

                {}                             /* Terminating entry */

@@ -1724,6 +1729,48 @@

                }

 };

 

+static struct dvb_usb_device_properties cxusb_aver_a312_properties = {

+             .caps = DVB_USB_IS_AN_I2C_ADAPTER,

+

+             .usb_ctrl         = CYPRESS_FX2,

+

+             .size_of_priv     = sizeof(struct cxusb_state),

+

+             .num_adapters = 1,

+             .adapter = {

+                             {

+                                             .streaming_ctrl   =
cxusb_aver_streaming_ctrl,

+                                             .frontend_attach  =
cxusb_aver_lgdt3303_frontend_attach,

+                                             .tuner_attach     =
cxusb_dvico_xc3028_tuner_attach,

+                                             /* parameter for the
MPEG2-data transfer */

+                                             .stream = {

+                                                             .type =
USB_BULK,

+                                                             .count = 5,

+                                                             .endpoint =
0x04,

+                                                             .u = {

+
.bulk = {

+
.buffersize = 8192,

+
}

+                                                             }

+                                             },

+

+                             },

+             },

+             .power_ctrl       = cxusb_aver_power_ctrl,

+

+             .i2c_algo         = &cxusb_i2c_algo,

+

+             .generic_bulk_ctrl_endpoint = 0x01,

+

+             .num_device_descs = 1,

+             .devices = {

+                             {   "AVerMedia AVerTVHD (A312)",

+                                             { NULL },

+                                             { &cxusb_table[17], NULL },

+                             },

+             }

+};

+

 static

 struct dvb_usb_device_properties cxusb_bluebird_dualdig4_rev2_properties =
{

                .caps = DVB_USB_IS_AN_I2C_ADAPTER,

 

After modprobing cxusb driver I have:

 

vb-usb: found a 'AVerMedia AVerTVHD (A312)' in warm state.

dvb-usb: will pass the complete MPEG2 transport stream to the software
demuxer.

DVB: registering new adapter (AVerMedia AVerTVHD (A312))

DVB: registering adapter 0 frontend 0 (LG Electronics LGDT3303 VSB/QAM
Frontend)...

xc2028 4-0061: creating new instance

xc2028 4-0061: type set to XCeive xc2028/xc3028 tuner

dvb-usb: AVerMedia AVerTVHD (A312) successfully initialized and connected.

usbcore: registered new interface driver dvb_usb_cxusb

 

h3xu5 v4l-dvb # ls -laR /dev/dvb/

/dev/dvb/:

total 0

drwxr-xr-x  3 root root   60 Dec 14 23:06 .

drwxr-xr-x 15 root root 4640 Dec 14 23:06 ..

drwxr-xr-x  2 root root  120 Dec 14 23:06 adapter0

 

/dev/dvb/adapter0:

total 0

drwxr-xr-x 2 root root     120 Dec 14 23:06 .

drwxr-xr-x 3 root root      60 Dec 14 23:06 ..

crw-rw---- 1 root video 212, 0 Dec 14 23:06 demux0

crw-rw---- 1 root video 212, 1 Dec 14 23:06 dvr0

crw-rw---- 1 root video 212, 3 Dec 14 23:06 frontend0

crw-rw---- 1 root video 212, 2 Dec 14 23:06 net0

 

The question is if it is ok or maybe something is missing here and what
should be next steps.

 

Regards,

 


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