diff --git a/drivers/media/usb/dvb-usb-v2/af9015.c b/drivers/media/usb/dvb-usb-v2/af9015.c index 8379ef164fad6edb400b551ceb2d82365a8bb3e2..39f9ffce3caaef13b93b0536017d47fea10b3cd2 100644 --- a/drivers/media/usb/dvb-usb-v2/af9015.c +++ b/drivers/media/usb/dvb-usb-v2/af9015.c @@ -72,17 +72,19 @@ static int af9015_ctrl_msg(struct dvb_usb_device *d, struct req_t *req) goto error; } - /* buffer overflow check */ + /* Buffer overflow check */ if ((write && (req->data_len > BUF_LEN - REQ_HDR_LEN)) || - (!write && (req->data_len > BUF_LEN - ACK_HDR_LEN))) { + (!write && (req->data_len > BUF_LEN - ACK_HDR_LEN))) { dev_err(&intf->dev, "too much data, cmd %u, len %u\n", req->cmd, req->data_len); ret = -EINVAL; goto error; } - /* write receives seq + status = 2 bytes - read receives seq + status + data = 2 + N bytes */ + /* + * Write receives seq + status = 2 bytes + * Read receives seq + status + data = 2 + N bytes + */ wlen = REQ_HDR_LEN; rlen = ACK_HDR_LEN; if (write) { @@ -96,8 +98,8 @@ 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_locked(d, - state->buf, wlen, state->buf, rlen); + ret = dvb_usbv2_generic_rw_locked(d, state->buf, wlen, + state->buf, rlen); if (ret) goto error; @@ -118,7 +120,7 @@ static int af9015_ctrl_msg(struct dvb_usb_device *d, struct req_t *req) } static int af9015_write_reg_i2c(struct dvb_usb_device *d, u8 addr, u16 reg, - u8 val) + u8 val) { struct af9015_state *state = d_to_priv(d); struct req_t req = {WRITE_I2C, addr, reg, 1, 1, 1, &val}; @@ -131,7 +133,7 @@ static int af9015_write_reg_i2c(struct dvb_usb_device *d, u8 addr, u16 reg, } static int af9015_read_reg_i2c(struct dvb_usb_device *d, u8 addr, u16 reg, - u8 *val) + u8 *val) { struct af9015_state *state = d_to_priv(d); struct req_t req = {READ_I2C, addr, reg, 0, 1, 1, val}; @@ -144,7 +146,7 @@ static int af9015_read_reg_i2c(struct dvb_usb_device *d, u8 addr, u16 reg, } static int af9015_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], - int num) + int num) { struct dvb_usb_device *d = i2c_get_adapdata(adap); struct af9015_state *state = d_to_priv(d); @@ -154,28 +156,29 @@ static int af9015_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], u8 mbox, addr_len; struct req_t req; -/* -The bus lock is needed because there is two tuners both using same I2C-address. -Due to that the only way to select correct tuner is use demodulator I2C-gate. - -................................................ -. AF9015 includes integrated AF9013 demodulator. -. ____________ ____________ . ____________ -.| uC | | demod | . | tuner | -.|------------| |------------| . |------------| -.| AF9015 | | AF9013/5 | . | MXL5003 | -.| |--+----I2C-------|-----/ -----|-.-----I2C-------| | -.| | | | addr 0x38 | . | addr 0xc6 | -.|____________| | |____________| . |____________| -.................|.............................. - | ____________ ____________ - | | demod | | tuner | - | |------------| |------------| - | | AF9013 | | MXL5003 | - +----I2C-------|-----/ -----|-------I2C-------| | - | addr 0x3a | | addr 0xc6 | - |____________| |____________| -*/ + /* + * I2C multiplexing: + * There could be two tuners, both using same I2C address. Demodulator + * I2C-gate is only possibility to select correct tuner. + * + * ........................................... + * . AF9015 integrates AF9013 demodulator . + * . ____________ ____________ . ____________ + * .| USB IF | | demod |. | tuner | + * .|------------| |------------|. |------------| + * .| AF9015 | | AF9013 |. | MXL5003 | + * .| |--+--I2C-----|-----/ -----|.----I2C-----| | + * .| | | | addr 0x1c |. | addr 0x63 | + * .|____________| | |____________|. |____________| + * .................|......................... + * | ____________ ____________ + * | | demod | | tuner | + * | |------------| |------------| + * | | AF9013 | | MXL5003 | + * +--I2C-----|-----/ -----|-----I2C-----| | + * | addr 0x1d | | addr 0x63 | + * |____________| |____________| + */ if (msg[0].len == 0 || msg[0].flags & I2C_M_RD) { addr = 0x0000; @@ -186,11 +189,11 @@ Due to that the only way to select correct tuner is use demodulator I2C-gate. mbox = 0; addr_len = 1; } else if (msg[0].len == 2) { - addr = msg[0].buf[0] << 8|msg[0].buf[1] << 0; + addr = msg[0].buf[0] << 8 | msg[0].buf[1] << 0; mbox = 0; addr_len = 2; } else { - addr = msg[0].buf[0] << 8|msg[0].buf[1] << 0; + addr = msg[0].buf[0] << 8 | msg[0].buf[1] << 0; mbox = msg[0].buf[2]; addr_len = 3; } @@ -209,7 +212,7 @@ Due to that the only way to select correct tuner is use demodulator I2C-gate. req.addr = addr; req.mbox = mbox; req.addr_len = addr_len; - req.data_len = msg[0].len-addr_len; + req.data_len = msg[0].len - addr_len; req.data = &msg[0].buf[addr_len]; ret = af9015_ctrl_msg(d, &req); } else if (num == 2 && !(msg[0].flags & I2C_M_RD) && @@ -313,7 +316,7 @@ static int af9015_download_firmware(struct dvb_usb_device *d, #define LEN_MAX (BUF_LEN - REQ_HDR_LEN) /* Max payload size */ for (rem = firmware->size; rem > 0; rem -= LEN_MAX) { req.data_len = min(LEN_MAX, rem); - req.data = (u8 *) &firmware->data[firmware->size - rem]; + req.data = (u8 *)&firmware->data[firmware->size - rem]; req.addr = 0x5100 + firmware->size - rem; ret = af9015_ctrl_msg(d, &req); if (ret) { @@ -522,14 +525,14 @@ static int af9015_read_config(struct dvb_usb_device *d) if (ret) dev_err(&intf->dev, "eeprom read failed %d\n", ret); - /* AverMedia AVerTV Volar Black HD (A850) device have bad EEPROM - content :-( Override some wrong values here. Ditto for the - AVerTV Red HD+ (A850T) device. */ + /* + * AverMedia AVerTV Volar Black HD (A850) device have bad EEPROM + * content :-( Override some wrong values here. Ditto for the + * AVerTV Red HD+ (A850T) device. + */ if (le16_to_cpu(d->udev->descriptor.idVendor) == USB_VID_AVERMEDIA && - ((le16_to_cpu(d->udev->descriptor.idProduct) == - USB_PID_AVERMEDIA_A850) || - (le16_to_cpu(d->udev->descriptor.idProduct) == - USB_PID_AVERMEDIA_A850T))) { + ((le16_to_cpu(d->udev->descriptor.idProduct) == USB_PID_AVERMEDIA_A850) || + (le16_to_cpu(d->udev->descriptor.idProduct) == USB_PID_AVERMEDIA_A850T))) { dev_dbg(&intf->dev, "AverMedia A850: overriding config\n"); /* disable dual mode */ state->dual_mode = 0; @@ -542,7 +545,7 @@ static int af9015_read_config(struct dvb_usb_device *d) } static int af9015_get_stream_config(struct dvb_frontend *fe, u8 *ts_type, - struct usb_data_stream_properties *stream) + struct usb_data_stream_properties *stream) { struct dvb_usb_device *d = fe_to_d(fe); struct usb_interface *intf = d->intf; @@ -567,7 +570,7 @@ static int af9015_streaming_ctrl(struct dvb_frontend *fe, int onoff) dev_dbg(&intf->dev, "adap id %d, onoff %d\n", adap_id, onoff); - if (state->usb_ts_if_configured[adap_id] == false) { + if (!state->usb_ts_if_configured[adap_id]) { dev_dbg(&intf->dev, "set usb and ts interface\n"); /* USB IF stream settings */ @@ -665,6 +668,7 @@ static int af9015_streaming_ctrl(struct dvb_frontend *fe, int onoff) static int af9015_get_adapter_count(struct dvb_usb_device *d) { struct af9015_state *state = d_to_priv(d); + return state->dual_mode + 1; } @@ -686,7 +690,7 @@ static int af9015_af9013_set_frontend(struct dvb_frontend *fe) /* override demod callbacks for resource locking */ static int af9015_af9013_read_status(struct dvb_frontend *fe, - enum fe_status *status) + enum fe_status *status) { int ret; struct af9015_state *state = fe_to_priv(fe); @@ -905,19 +909,12 @@ static int af9015_af9013_frontend_attach(struct dvb_usb_adapter *adap) * those "critical" paths to keep AF9015 happy. */ if (adap->fe[0]) { - state->set_frontend[adap->id] = - adap->fe[0]->ops.set_frontend; - adap->fe[0]->ops.set_frontend = - af9015_af9013_set_frontend; - - state->read_status[adap->id] = - adap->fe[0]->ops.read_status; - adap->fe[0]->ops.read_status = - af9015_af9013_read_status; - + state->set_frontend[adap->id] = adap->fe[0]->ops.set_frontend; + adap->fe[0]->ops.set_frontend = af9015_af9013_set_frontend; + state->read_status[adap->id] = adap->fe[0]->ops.read_status; + adap->fe[0]->ops.read_status = af9015_af9013_read_status; state->init[adap->id] = adap->fe[0]->ops.init; adap->fe[0]->ops.init = af9015_af9013_init; - state->sleep[adap->id] = adap->fe[0]->ops.sleep; adap->fe[0]->ops.sleep = af9015_af9013_sleep; } @@ -1025,42 +1022,42 @@ static int af9015_tuner_attach(struct dvb_usb_adapter *adap) case AF9013_TUNER_MT2060: case AF9013_TUNER_MT2060_2: ret = dvb_attach(mt2060_attach, adap->fe[0], adapter, - &af9015_mt2060_config, - state->mt2060_if1[adap->id]) == NULL ? -ENODEV : 0; + &af9015_mt2060_config, + state->mt2060_if1[adap->id]) == NULL ? -ENODEV : 0; break; case AF9013_TUNER_QT1010: case AF9013_TUNER_QT1010A: ret = dvb_attach(qt1010_attach, adap->fe[0], adapter, - &af9015_qt1010_config) == NULL ? -ENODEV : 0; + &af9015_qt1010_config) == NULL ? -ENODEV : 0; break; case AF9013_TUNER_TDA18271: ret = dvb_attach(tda18271_attach, adap->fe[0], 0x60, adapter, - &af9015_tda18271_config) == NULL ? -ENODEV : 0; + &af9015_tda18271_config) == NULL ? -ENODEV : 0; break; case AF9013_TUNER_TDA18218: ret = dvb_attach(tda18218_attach, adap->fe[0], adapter, - &af9015_tda18218_config) == NULL ? -ENODEV : 0; + &af9015_tda18218_config) == NULL ? -ENODEV : 0; break; case AF9013_TUNER_MXL5003D: ret = dvb_attach(mxl5005s_attach, adap->fe[0], adapter, - &af9015_mxl5003_config) == NULL ? -ENODEV : 0; + &af9015_mxl5003_config) == NULL ? -ENODEV : 0; break; case AF9013_TUNER_MXL5005D: case AF9013_TUNER_MXL5005R: ret = dvb_attach(mxl5005s_attach, adap->fe[0], adapter, - &af9015_mxl5005_config) == NULL ? -ENODEV : 0; + &af9015_mxl5005_config) == NULL ? -ENODEV : 0; break; case AF9013_TUNER_ENV77H11D5: ret = dvb_attach(dvb_pll_attach, adap->fe[0], 0x60, adapter, - DVB_PLL_TDA665X) == NULL ? -ENODEV : 0; + DVB_PLL_TDA665X) == NULL ? -ENODEV : 0; break; case AF9013_TUNER_MC44S803: ret = dvb_attach(mc44s803_attach, adap->fe[0], adapter, - &af9015_mc44s803_config) == NULL ? -ENODEV : 0; + &af9015_mc44s803_config) == NULL ? -ENODEV : 0; break; case AF9013_TUNER_MXL5007T: ret = dvb_attach(mxl5007t_attach, adap->fe[0], adapter, - 0x60, &af9015_mxl5007t_config) == NULL ? -ENODEV : 0; + 0x60, &af9015_mxl5007t_config) == NULL ? -ENODEV : 0; break; case AF9013_TUNER_UNKNOWN: default: @@ -1137,7 +1134,7 @@ struct af9015_rc_setup { }; static char *af9015_rc_setup_match(unsigned int id, - const struct af9015_rc_setup *table) + const struct af9015_rc_setup *table) { for (; table->rc_codes; table++) if (table->id == id) @@ -1182,7 +1179,7 @@ static int af9015_rc_query(struct dvb_usb_device *d) /* Check for repeat of previous code */ if ((state->rc_repeat != buf[6] || buf[0]) && - !memcmp(&buf[12], state->rc_last, 4)) { + !memcmp(&buf[12], state->rc_last, 4)) { dev_dbg(&intf->dev, "key repeated\n"); rc_repeat(d->rc_dev); state->rc_repeat = buf[6]; @@ -1192,6 +1189,7 @@ static int af9015_rc_query(struct dvb_usb_device *d) /* Only process key if canary killed */ if (buf[16] != 0xff && buf[0] != 0x01) { enum rc_proto proto; + dev_dbg(&intf->dev, "key pressed %*ph\n", 4, buf + 12); /* Reset the canary */ @@ -1201,8 +1199,8 @@ static int af9015_rc_query(struct dvb_usb_device *d) /* Remember this key */ memcpy(state->rc_last, &buf[12], 4); - if (buf[14] == (u8) ~buf[15]) { - if (buf[12] == (u8) ~buf[13]) { + if (buf[14] == (u8)~buf[15]) { + if (buf[12] == (u8)~buf[13]) { /* NEC */ state->rc_keycode = RC_SCANCODE_NEC(buf[12], buf[14]); @@ -1258,29 +1256,33 @@ static int af9015_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc) /* try to load remote based module param */ if (!rc->map_name) rc->map_name = af9015_rc_setup_match(dvb_usb_af9015_remote, - af9015_rc_setup_modparam); + af9015_rc_setup_modparam); /* try to load remote based eeprom hash */ if (!rc->map_name) rc->map_name = af9015_rc_setup_match(state->eeprom_sum, - af9015_rc_setup_hashes); + af9015_rc_setup_hashes); /* try to load remote based USB iManufacturer string */ if (!rc->map_name && vid == USB_VID_AFATECH) { - /* Check USB manufacturer and product strings and try - to determine correct remote in case of chip vendor - reference IDs are used. - DO NOT ADD ANYTHING NEW HERE. Use hashes instead. */ + /* + * Check USB manufacturer and product strings and try + * to determine correct remote in case of chip vendor + * reference IDs are used. + * DO NOT ADD ANYTHING NEW HERE. Use hashes instead. + */ char manufacturer[10]; + memset(manufacturer, 0, sizeof(manufacturer)); usb_string(d->udev, d->udev->descriptor.iManufacturer, - manufacturer, sizeof(manufacturer)); + manufacturer, sizeof(manufacturer)); if (!strcmp("MSI", manufacturer)) { - /* iManufacturer 1 MSI - iProduct 2 MSI K-VOX */ - rc->map_name = af9015_rc_setup_match( - AF9015_REMOTE_MSI_DIGIVOX_MINI_II_V3, - af9015_rc_setup_modparam); + /* + * iManufacturer 1 MSI + * iProduct 2 MSI K-VOX + */ + rc->map_name = af9015_rc_setup_match(AF9015_REMOTE_MSI_DIGIVOX_MINI_II_V3, + af9015_rc_setup_modparam); } } @@ -1409,8 +1411,10 @@ static void af9015_disconnect(struct dvb_usb_device *d) regmap_exit(state->regmap); } -/* interface 0 is used by DVB-T receiver and - interface 1 is for remote controller (HID) */ +/* + * Interface 0 is used by DVB-T receiver and + * interface 1 is for remote controller (HID) + */ static const struct dvb_usb_device_properties af9015_props = { .driver_name = KBUILD_MODNAME, .owner = THIS_MODULE,