diff options
Diffstat (limited to 'drivers/media/usb/dvb-usb-v2/af9015.c')
| -rw-r--r-- | drivers/media/usb/dvb-usb-v2/af9015.c | 79 |
1 files changed, 60 insertions, 19 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/af9015.c b/drivers/media/usb/dvb-usb-v2/af9015.c index b86d0f27a398..d556042cf312 100644 --- a/drivers/media/usb/dvb-usb-v2/af9015.c +++ b/drivers/media/usb/dvb-usb-v2/af9015.c @@ -30,22 +30,22 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); static int af9015_ctrl_msg(struct dvb_usb_device *d, struct req_t *req) { -#define BUF_LEN 63 #define REQ_HDR_LEN 8 /* send header size */ #define ACK_HDR_LEN 2 /* rece header size */ struct af9015_state *state = d_to_priv(d); int ret, wlen, rlen; - u8 buf[BUF_LEN]; u8 write = 1; - buf[0] = req->cmd; - buf[1] = state->seq++; - buf[2] = req->i2c_addr; - buf[3] = req->addr >> 8; - buf[4] = req->addr & 0xff; - buf[5] = req->mbox; - buf[6] = req->addr_len; - buf[7] = req->data_len; + mutex_lock(&d->usb_mutex); + + state->buf[0] = req->cmd; + state->buf[1] = state->seq++; + state->buf[2] = req->i2c_addr; + state->buf[3] = req->addr >> 8; + state->buf[4] = req->addr & 0xff; + state->buf[5] = req->mbox; + state->buf[6] = req->addr_len; + state->buf[7] = req->data_len; switch (req->cmd) { case GET_CONFIG: @@ -55,14 +55,14 @@ static int af9015_ctrl_msg(struct dvb_usb_device *d, struct req_t *req) break; case READ_I2C: write = 0; - buf[2] |= 0x01; /* set I2C direction */ + state->buf[2] |= 0x01; /* set I2C direction */ case WRITE_I2C: - buf[0] = READ_WRITE_I2C; + state->buf[0] = READ_WRITE_I2C; break; case WRITE_MEMORY: if (((req->addr & 0xff00) == 0xff00) || ((req->addr & 0xff00) == 0xae00)) - buf[0] = WRITE_VIRTUAL_MEMORY; + state->buf[0] = WRITE_VIRTUAL_MEMORY; case WRITE_VIRTUAL_MEMORY: case COPY_FIRMWARE: case DOWNLOAD_FIRMWARE: @@ -90,7 +90,7 @@ static int af9015_ctrl_msg(struct dvb_usb_device *d, struct req_t *req) rlen = ACK_HDR_LEN; if (write) { wlen += req->data_len; - memcpy(&buf[REQ_HDR_LEN], req->data, req->data_len); + memcpy(&state->buf[REQ_HDR_LEN], req->data, req->data_len); } else { rlen += req->data_len; } @@ -99,22 +99,25 @@ static int af9015_ctrl_msg(struct dvb_usb_device *d, struct req_t *req) if (req->cmd == DOWNLOAD_FIRMWARE || req->cmd == RECONNECT_USB) rlen = 0; - ret = dvb_usbv2_generic_rw(d, buf, wlen, buf, rlen); + ret = dvb_usbv2_generic_rw_locked(d, + state->buf, wlen, state->buf, rlen); if (ret) goto error; /* check status */ - if (rlen && buf[1]) { + if (rlen && state->buf[1]) { dev_err(&d->udev->dev, "%s: command failed=%d\n", - KBUILD_MODNAME, buf[1]); + KBUILD_MODNAME, state->buf[1]); ret = -EIO; goto error; } /* read request, copy returned data to return buf */ if (!write) - memcpy(req->data, &buf[ACK_HDR_LEN], req->data_len); + memcpy(req->data, &state->buf[ACK_HDR_LEN], req->data_len); error: + mutex_unlock(&d->usb_mutex); + return ret; } @@ -1317,6 +1320,43 @@ static int af9015_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc) #define af9015_get_rc_config NULL #endif +static int af9015_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct usb_device *udev = interface_to_usbdev(intf); + char manufacturer[sizeof("ITE Technologies, Inc.")]; + + memset(manufacturer, 0, sizeof(manufacturer)); + usb_string(udev, udev->descriptor.iManufacturer, + manufacturer, sizeof(manufacturer)); + /* + * There is two devices having same ID but different chipset. One uses + * AF9015 and the other IT9135 chipset. Only difference seen on lsusb + * is iManufacturer string. + * + * idVendor 0x0ccd TerraTec Electronic GmbH + * idProduct 0x0099 + * bcdDevice 2.00 + * iManufacturer 1 Afatech + * iProduct 2 DVB-T 2 + * + * idVendor 0x0ccd TerraTec Electronic GmbH + * idProduct 0x0099 + * bcdDevice 2.00 + * iManufacturer 1 ITE Technologies, Inc. + * iProduct 2 DVB-T TV Stick + */ + if ((le16_to_cpu(udev->descriptor.idVendor) == USB_VID_TERRATEC) && + (le16_to_cpu(udev->descriptor.idProduct) == 0x0099)) { + if (!strcmp("ITE Technologies, Inc.", manufacturer)) { + dev_dbg(&udev->dev, "%s: rejecting device\n", __func__); + return -ENODEV; + } + } + + return dvb_usbv2_probe(intf, id); +} + /* interface 0 is used by DVB-T receiver and interface 1 is for remote controller (HID) */ static struct dvb_usb_device_properties af9015_props = { @@ -1425,6 +1465,7 @@ static const struct usb_device_id af9015_id_table[] = { &af9015_props, "AverMedia AVerTV Volar M (A815Mac)", NULL) }, { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_RC, &af9015_props, "TerraTec Cinergy T Stick RC", RC_MAP_TERRATEC_SLIM_2) }, + /* XXX: that same ID [0ccd:0099] is used by af9035 driver too */ { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_DUAL_RC, &af9015_props, "TerraTec Cinergy T Stick Dual RC", RC_MAP_TERRATEC_SLIM) }, { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A850T, @@ -1441,7 +1482,7 @@ MODULE_DEVICE_TABLE(usb, af9015_id_table); static struct usb_driver af9015_usb_driver = { .name = KBUILD_MODNAME, .id_table = af9015_id_table, - .probe = dvb_usbv2_probe, + .probe = af9015_probe, .disconnect = dvb_usbv2_disconnect, .suspend = dvb_usbv2_suspend, .resume = dvb_usbv2_resume, |