diff options
Diffstat (limited to 'drivers/media/usb/dvb-usb/vp7045.c')
| -rw-r--r-- | drivers/media/usb/dvb-usb/vp7045.c | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/drivers/media/usb/dvb-usb/vp7045.c b/drivers/media/usb/dvb-usb/vp7045.c new file mode 100644 index 000000000..1dc2b18d4 --- /dev/null +++ b/drivers/media/usb/dvb-usb/vp7045.c @@ -0,0 +1,256 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* DVB USB compliant Linux driver for the + * - TwinhanDTV Alpha/MagicBoxII USB2.0 DVB-T receiver + * - DigitalNow TinyUSB2 DVB-t receiver + * + * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@posteo.de) + * + * Thanks to Twinhan who kindly provided hardware and information. + * + * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information + */ +#include "vp7045.h" + +/* debug */ +static int dvb_usb_vp7045_debug; +module_param_named(debug,dvb_usb_vp7045_debug, int, 0644); +MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))." DVB_USB_DEBUG_STATUS); + +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); + +#define deb_info(args...) dprintk(dvb_usb_vp7045_debug,0x01,args) +#define deb_xfer(args...) dprintk(dvb_usb_vp7045_debug,0x02,args) +#define deb_rc(args...) dprintk(dvb_usb_vp7045_debug,0x04,args) + +int vp7045_usb_op(struct dvb_usb_device *d, u8 cmd, u8 *out, int outlen, u8 *in, int inlen, int msec) +{ + int ret = 0; + u8 *buf = d->priv; + + buf[0] = cmd; + + if (outlen > 19) + outlen = 19; + + if (inlen > 11) + inlen = 11; + + ret = mutex_lock_interruptible(&d->usb_mutex); + if (ret) + return ret; + + if (out != NULL && outlen > 0) + memcpy(&buf[1], out, outlen); + + deb_xfer("out buffer: "); + debug_dump(buf, outlen+1, deb_xfer); + + + if (usb_control_msg(d->udev, + usb_sndctrlpipe(d->udev,0), + TH_COMMAND_OUT, USB_TYPE_VENDOR | USB_DIR_OUT, 0, 0, + buf, 20, 2000) != 20) { + err("USB control message 'out' went wrong."); + ret = -EIO; + goto unlock; + } + + msleep(msec); + + if (usb_control_msg(d->udev, + usb_rcvctrlpipe(d->udev,0), + TH_COMMAND_IN, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, + buf, 12, 2000) != 12) { + err("USB control message 'in' went wrong."); + ret = -EIO; + goto unlock; + } + + deb_xfer("in buffer: "); + debug_dump(buf, 12, deb_xfer); + + if (in != NULL && inlen > 0) + memcpy(in, &buf[1], inlen); + +unlock: + mutex_unlock(&d->usb_mutex); + + return ret; +} + +u8 vp7045_read_reg(struct dvb_usb_device *d, u8 reg) +{ + u8 obuf[2] = { 0 },v; + obuf[1] = reg; + + vp7045_usb_op(d,TUNER_REG_READ,obuf,2,&v,1,30); + + return v; +} + +static int vp7045_power_ctrl(struct dvb_usb_device *d, int onoff) +{ + u8 v = onoff; + return vp7045_usb_op(d,SET_TUNER_POWER,&v,1,NULL,0,150); +} + +static int vp7045_rc_query(struct dvb_usb_device *d) +{ + int ret; + u8 key; + + ret = vp7045_usb_op(d, RC_VAL_READ, NULL, 0, &key, 1, 20); + if (ret) + return ret; + + deb_rc("remote query key: %x\n", key); + + if (key != 0x44) { + /* + * The 8 bit address isn't available, but since the remote uses + * address 0 we'll use that. nec repeats are ignored too, even + * though the remote sends them. + */ + rc_keydown(d->rc_dev, RC_PROTO_NEC, RC_SCANCODE_NEC(0, key), 0); + } + + return 0; +} + +static int vp7045_read_eeprom(struct dvb_usb_device *d,u8 *buf, int len, int offset) +{ + int i, ret; + u8 v, br[2]; + for (i=0; i < len; i++) { + v = offset + i; + ret = vp7045_usb_op(d, GET_EE_VALUE, &v, 1, br, 2, 5); + if (ret) + return ret; + + buf[i] = br[1]; + } + deb_info("VP7045 EEPROM read (offs: %d, len: %d) : ", offset, i); + debug_dump(buf, i, deb_info); + return 0; +} + +static int vp7045_read_mac_addr(struct dvb_usb_device *d,u8 mac[6]) +{ + return vp7045_read_eeprom(d,mac, 6, MAC_0_ADDR); +} + +static int vp7045_frontend_attach(struct dvb_usb_adapter *adap) +{ + u8 buf[255] = { 0 }; + + vp7045_usb_op(adap->dev,VENDOR_STRING_READ,NULL,0,buf,20,0); + buf[10] = '\0'; + deb_info("firmware says: %s ",buf); + + vp7045_usb_op(adap->dev,PRODUCT_STRING_READ,NULL,0,buf,20,0); + buf[10] = '\0'; + deb_info("%s ",buf); + + vp7045_usb_op(adap->dev,FW_VERSION_READ,NULL,0,buf,20,0); + buf[10] = '\0'; + deb_info("v%s\n",buf); + +/* Dump the EEPROM */ +/* vp7045_read_eeprom(d,buf, 255, FX2_ID_ADDR); */ + + adap->fe_adap[0].fe = vp7045_fe_attach(adap->dev); + + return 0; +} + +static struct dvb_usb_device_properties vp7045_properties; + +static int vp7045_usb_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + return dvb_usb_device_init(intf, &vp7045_properties, + THIS_MODULE, NULL, adapter_nr); +} + +enum { + VISIONPLUS_VP7045_COLD, + VISIONPLUS_VP7045_WARM, + VISIONPLUS_TINYUSB2_COLD, + VISIONPLUS_TINYUSB2_WARM, +}; + +static struct usb_device_id vp7045_usb_table[] = { + DVB_USB_DEV(VISIONPLUS, VISIONPLUS_VP7045_COLD), + DVB_USB_DEV(VISIONPLUS, VISIONPLUS_VP7045_WARM), + DVB_USB_DEV(VISIONPLUS, VISIONPLUS_TINYUSB2_COLD), + DVB_USB_DEV(VISIONPLUS, VISIONPLUS_TINYUSB2_WARM), + { } +}; + +MODULE_DEVICE_TABLE(usb, vp7045_usb_table); + +static struct dvb_usb_device_properties vp7045_properties = { + .usb_ctrl = CYPRESS_FX2, + .firmware = "dvb-usb-vp7045-01.fw", + .size_of_priv = 20, + + .num_adapters = 1, + .adapter = { + { + .num_frontends = 1, + .fe = {{ + .frontend_attach = vp7045_frontend_attach, + /* parameter for the MPEG2-data transfer */ + .stream = { + .type = USB_BULK, + .count = 7, + .endpoint = 0x02, + .u = { + .bulk = { + .buffersize = 4096, + } + } + }, + }}, + } + }, + .power_ctrl = vp7045_power_ctrl, + .read_mac_address = vp7045_read_mac_addr, + + .rc.core = { + .rc_interval = 400, + .rc_codes = RC_MAP_TWINHAN_VP1027_DVBS, + .module_name = KBUILD_MODNAME, + .rc_query = vp7045_rc_query, + .allowed_protos = RC_PROTO_BIT_NEC, + .scancode_mask = 0xff, + }, + + .num_device_descs = 2, + .devices = { + { .name = "Twinhan USB2.0 DVB-T receiver (TwinhanDTV Alpha/MagicBox II)", + .cold_ids = { &vp7045_usb_table[VISIONPLUS_VP7045_COLD], NULL }, + .warm_ids = { &vp7045_usb_table[VISIONPLUS_VP7045_WARM], NULL }, + }, + { .name = "DigitalNow TinyUSB 2 DVB-t Receiver", + .cold_ids = { &vp7045_usb_table[VISIONPLUS_TINYUSB2_COLD], NULL }, + .warm_ids = { &vp7045_usb_table[VISIONPLUS_TINYUSB2_WARM], NULL }, + }, + { NULL }, + } +}; + +/* usb specific object needed to register this driver with the usb subsystem */ +static struct usb_driver vp7045_usb_driver = { + .name = "dvb_usb_vp7045", + .probe = vp7045_usb_probe, + .disconnect = dvb_usb_device_exit, + .id_table = vp7045_usb_table, +}; + +module_usb_driver(vp7045_usb_driver); + +MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>"); +MODULE_DESCRIPTION("Driver for Twinhan MagicBox/Alpha and DNTV tinyUSB2 DVB-T USB2.0"); +MODULE_VERSION("1.0"); +MODULE_LICENSE("GPL"); |