// SPDX-License-Identifier: GPL-2.0-only
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/* DVB USB compliant Linux driver for the
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* - TwinhanDTV Alpha/MagicBoxII USB2.0 DVB-T receiver
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* - DigitalNow TinyUSB2 DVB-t receiver
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*
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* Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@posteo.de)
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*
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* Thanks to Twinhan who kindly provided hardware and information.
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*
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* see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
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*/
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#include "vp7045.h"
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/* debug */
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static int dvb_usb_vp7045_debug;
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module_param_named(debug,dvb_usb_vp7045_debug, int, 0644);
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MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))." DVB_USB_DEBUG_STATUS);
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DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
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#define deb_info(args...) dprintk(dvb_usb_vp7045_debug,0x01,args)
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#define deb_xfer(args...) dprintk(dvb_usb_vp7045_debug,0x02,args)
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#define deb_rc(args...) dprintk(dvb_usb_vp7045_debug,0x04,args)
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int vp7045_usb_op(struct dvb_usb_device *d, u8 cmd, u8 *out, int outlen, u8 *in, int inlen, int msec)
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{
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int ret = 0;
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u8 *buf = d->priv;
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buf[0] = cmd;
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if (outlen > 19)
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outlen = 19;
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if (inlen > 11)
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inlen = 11;
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ret = mutex_lock_interruptible(&d->usb_mutex);
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if (ret)
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return ret;
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if (out != NULL && outlen > 0)
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memcpy(&buf[1], out, outlen);
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deb_xfer("out buffer: ");
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debug_dump(buf, outlen+1, deb_xfer);
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if (usb_control_msg(d->udev,
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usb_sndctrlpipe(d->udev,0),
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TH_COMMAND_OUT, USB_TYPE_VENDOR | USB_DIR_OUT, 0, 0,
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buf, 20, 2000) != 20) {
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err("USB control message 'out' went wrong.");
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ret = -EIO;
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goto unlock;
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}
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msleep(msec);
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if (usb_control_msg(d->udev,
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usb_rcvctrlpipe(d->udev,0),
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TH_COMMAND_IN, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
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buf, 12, 2000) != 12) {
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err("USB control message 'in' went wrong.");
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ret = -EIO;
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goto unlock;
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}
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deb_xfer("in buffer: ");
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debug_dump(buf, 12, deb_xfer);
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if (in != NULL && inlen > 0)
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memcpy(in, &buf[1], inlen);
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unlock:
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mutex_unlock(&d->usb_mutex);
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return ret;
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}
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u8 vp7045_read_reg(struct dvb_usb_device *d, u8 reg)
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{
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u8 obuf[2] = { 0 },v;
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obuf[1] = reg;
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vp7045_usb_op(d,TUNER_REG_READ,obuf,2,&v,1,30);
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return v;
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}
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static int vp7045_power_ctrl(struct dvb_usb_device *d, int onoff)
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{
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u8 v = onoff;
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return vp7045_usb_op(d,SET_TUNER_POWER,&v,1,NULL,0,150);
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}
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static int vp7045_rc_query(struct dvb_usb_device *d)
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{
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int ret;
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u8 key;
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ret = vp7045_usb_op(d, RC_VAL_READ, NULL, 0, &key, 1, 20);
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if (ret)
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return ret;
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deb_rc("remote query key: %x\n", key);
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if (key != 0x44) {
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/*
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* The 8 bit address isn't available, but since the remote uses
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* address 0 we'll use that. nec repeats are ignored too, even
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* though the remote sends them.
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*/
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rc_keydown(d->rc_dev, RC_PROTO_NEC, RC_SCANCODE_NEC(0, key), 0);
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}
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return 0;
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}
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static int vp7045_read_eeprom(struct dvb_usb_device *d,u8 *buf, int len, int offset)
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{
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int i, ret;
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u8 v, br[2];
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for (i=0; i < len; i++) {
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v = offset + i;
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ret = vp7045_usb_op(d, GET_EE_VALUE, &v, 1, br, 2, 5);
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if (ret)
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return ret;
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buf[i] = br[1];
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}
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deb_info("VP7045 EEPROM read (offs: %d, len: %d) : ", offset, i);
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debug_dump(buf, i, deb_info);
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return 0;
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}
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static int vp7045_read_mac_addr(struct dvb_usb_device *d,u8 mac[6])
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{
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return vp7045_read_eeprom(d,mac, 6, MAC_0_ADDR);
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}
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static int vp7045_frontend_attach(struct dvb_usb_adapter *adap)
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{
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u8 buf[255] = { 0 };
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vp7045_usb_op(adap->dev,VENDOR_STRING_READ,NULL,0,buf,20,0);
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buf[10] = '\0';
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deb_info("firmware says: %s ",buf);
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vp7045_usb_op(adap->dev,PRODUCT_STRING_READ,NULL,0,buf,20,0);
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buf[10] = '\0';
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deb_info("%s ",buf);
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vp7045_usb_op(adap->dev,FW_VERSION_READ,NULL,0,buf,20,0);
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buf[10] = '\0';
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deb_info("v%s\n",buf);
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/* Dump the EEPROM */
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/* vp7045_read_eeprom(d,buf, 255, FX2_ID_ADDR); */
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adap->fe_adap[0].fe = vp7045_fe_attach(adap->dev);
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return 0;
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}
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static struct dvb_usb_device_properties vp7045_properties;
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static int vp7045_usb_probe(struct usb_interface *intf,
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const struct usb_device_id *id)
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{
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return dvb_usb_device_init(intf, &vp7045_properties,
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THIS_MODULE, NULL, adapter_nr);
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}
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static struct usb_device_id vp7045_usb_table [] = {
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{ USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7045_COLD) },
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{ USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7045_WARM) },
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{ USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_DNTV_TINYUSB2_COLD) },
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{ USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_DNTV_TINYUSB2_WARM) },
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{ 0 },
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};
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MODULE_DEVICE_TABLE(usb, vp7045_usb_table);
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static struct dvb_usb_device_properties vp7045_properties = {
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.usb_ctrl = CYPRESS_FX2,
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.firmware = "dvb-usb-vp7045-01.fw",
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.size_of_priv = 20,
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.num_adapters = 1,
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.adapter = {
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{
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.num_frontends = 1,
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.fe = {{
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.frontend_attach = vp7045_frontend_attach,
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/* parameter for the MPEG2-data transfer */
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.stream = {
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.type = USB_BULK,
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.count = 7,
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.endpoint = 0x02,
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.u = {
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.bulk = {
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.buffersize = 4096,
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}
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}
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},
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}},
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}
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},
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.power_ctrl = vp7045_power_ctrl,
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.read_mac_address = vp7045_read_mac_addr,
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.rc.core = {
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.rc_interval = 400,
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.rc_codes = RC_MAP_TWINHAN_VP1027_DVBS,
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.module_name = KBUILD_MODNAME,
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.rc_query = vp7045_rc_query,
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.allowed_protos = RC_PROTO_BIT_NEC,
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.scancode_mask = 0xff,
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},
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.num_device_descs = 2,
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.devices = {
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{ .name = "Twinhan USB2.0 DVB-T receiver (TwinhanDTV Alpha/MagicBox II)",
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.cold_ids = { &vp7045_usb_table[0], NULL },
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.warm_ids = { &vp7045_usb_table[1], NULL },
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},
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{ .name = "DigitalNow TinyUSB 2 DVB-t Receiver",
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.cold_ids = { &vp7045_usb_table[2], NULL },
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.warm_ids = { &vp7045_usb_table[3], NULL },
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},
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{ NULL },
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}
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};
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/* usb specific object needed to register this driver with the usb subsystem */
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static struct usb_driver vp7045_usb_driver = {
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.name = "dvb_usb_vp7045",
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.probe = vp7045_usb_probe,
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.disconnect = dvb_usb_device_exit,
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.id_table = vp7045_usb_table,
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};
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module_usb_driver(vp7045_usb_driver);
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MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>");
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MODULE_DESCRIPTION("Driver for Twinhan MagicBox/Alpha and DNTV tinyUSB2 DVB-T USB2.0");
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MODULE_VERSION("1.0");
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MODULE_LICENSE("GPL");
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