diff options
Diffstat (limited to 'drivers/media/dvb/dvb-usb/vp7045.c')
| -rw-r--r-- | drivers/media/dvb/dvb-usb/vp7045.c | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/drivers/media/dvb/dvb-usb/vp7045.c b/drivers/media/dvb/dvb-usb/vp7045.c new file mode 100644 index 000000000000..02ecc9a8e3b6 --- /dev/null +++ b/drivers/media/dvb/dvb-usb/vp7045.c @@ -0,0 +1,263 @@ +/* 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@desy.de) + * + * Thanks to Twinhan who kindly provided hardware and information. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation, version 2. + * + * see Documentation/dvb/README.dvb-usb for more information + */ +#include "vp7045.h" + +/* debug */ +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); + +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 inbuf[12] = { 0 }, outbuf[20] = { 0 }; + + outbuf[0] = cmd; + + if (outlen > 19) + outlen = 19; + + if (inlen > 11) + inlen = 11; + + if (out != NULL && outlen > 0) + memcpy(&outbuf[1], out, outlen); + + deb_xfer("out buffer: "); + debug_dump(outbuf,outlen+1,deb_xfer); + + if ((ret = down_interruptible(&d->usb_sem))) + return ret; + + if (usb_control_msg(d->udev, + usb_sndctrlpipe(d->udev,0), + TH_COMMAND_OUT, USB_TYPE_VENDOR | USB_DIR_OUT, 0, 0, + outbuf, 20, 2*HZ) != 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, + inbuf, 12, 2*HZ) != 12) { + err("USB control message 'in' went wrong."); + ret = -EIO; + goto unlock; + } + + deb_xfer("in buffer: "); + debug_dump(inbuf,12,deb_xfer); + + if (in != NULL && inlen > 0) + memcpy(in,&inbuf[1],inlen); + +unlock: + up(&d->usb_sem); + + 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); +} + +/* remote control stuff */ + +/* The keymapping struct. Somehow this should be loaded to the driver, but + * currently it is hardcoded. */ +static struct dvb_usb_rc_key vp7045_rc_keys[] = { + /* insert the keys like this. to make the raw keys visible, enable + * debug=0x04 when loading dvb-usb-vp7045. */ + + /* these keys are probably wrong. I don't have a working IR-receiver on my + * vp7045, so I can't test it. Patches are welcome. */ + { 0x00, 0x01, KEY_1 }, + { 0x00, 0x02, KEY_2 }, +}; + +static int vp7045_rc_query(struct dvb_usb_device *d, u32 *key_buf, int *state) +{ + u8 key; + int i; + vp7045_usb_op(d,RC_VAL_READ,NULL,0,&key,1,20); + + deb_rc("remote query key: %x %d\n",key,key); + + if (key == 0x44) { + *state = REMOTE_NO_KEY_PRESSED; + return 0; + } + + for (i = 0; i < sizeof(vp7045_rc_keys)/sizeof(struct dvb_usb_rc_key); i++) + if (vp7045_rc_keys[i].data == key) { + *state = REMOTE_KEY_PRESSED; + *key_buf = vp7045_rc_keys[i].event; + break; + } + return 0; +} + +static int vp7045_read_eeprom(struct dvb_usb_device *d,u8 *buf, int len, int offset) +{ + int i = 0; + u8 v,br[2]; + for (i=0; i < len; i++) { + v = offset + i; + vp7045_usb_op(d,GET_EE_VALUE,&v,1,br,2,5); + 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_device *d) +{ + u8 buf[255] = { 0 }; + + vp7045_usb_op(d,VENDOR_STRING_READ,NULL,0,buf,20,0); + buf[10] = '\0'; + deb_info("firmware says: %s ",buf); + + vp7045_usb_op(d,PRODUCT_STRING_READ,NULL,0,buf,20,0); + buf[10] = '\0'; + deb_info("%s ",buf); + + vp7045_usb_op(d,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); */ + + d->fe = vp7045_fe_attach(d); + + return 0; +} + +static struct dvb_usb_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); +} + +static struct usb_device_id vp7045_usb_table [] = { + { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7045_COLD) }, + { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7045_WARM) }, + { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_DNTV_TINYUSB2_COLD) }, + { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_DNTV_TINYUSB2_WARM) }, + { 0 }, +}; +MODULE_DEVICE_TABLE(usb, vp7045_usb_table); + +static struct dvb_usb_properties vp7045_properties = { + .caps = 0, + + .usb_ctrl = CYPRESS_FX2, + .firmware = "dvb-usb-vp7045-01.fw", + + .power_ctrl = vp7045_power_ctrl, + .frontend_attach = vp7045_frontend_attach, + .read_mac_address = vp7045_read_mac_addr, + + .rc_interval = 400, + .rc_key_map = vp7045_rc_keys, + .rc_key_map_size = ARRAY_SIZE(vp7045_rc_keys), + .rc_query = vp7045_rc_query, + + /* parameter for the MPEG2-data transfer */ + .urb = { + .type = DVB_USB_BULK, + .count = 7, + .endpoint = 0x02, + .u = { + .bulk = { + .buffersize = 4096, + } + } + }, + + .num_device_descs = 2, + .devices = { + { .name = "Twinhan USB2.0 DVB-T receiver (TwinhanDTV Alpha/MagicBox II)", + .cold_ids = { &vp7045_usb_table[0], NULL }, + .warm_ids = { &vp7045_usb_table[1], NULL }, + }, + { .name = "DigitalNow TinyUSB 2 DVB-t Receiver", + .cold_ids = { &vp7045_usb_table[2], NULL }, + .warm_ids = { &vp7045_usb_table[3], NULL }, + }, + { 0 }, + } +}; + +/* usb specific object needed to register this driver with the usb subsystem */ +static struct usb_driver vp7045_usb_driver = { + .owner = THIS_MODULE, + .name = "dvb-usb-vp7045", + .probe = vp7045_usb_probe, + .disconnect = dvb_usb_device_exit, + .id_table = vp7045_usb_table, +}; + +/* module stuff */ +static int __init vp7045_usb_module_init(void) +{ + int result; + if ((result = usb_register(&vp7045_usb_driver))) { + err("usb_register failed. (%d)",result); + return result; + } + + return 0; +} + +static void __exit vp7045_usb_module_exit(void) +{ + /* deregister this driver from the USB subsystem */ + usb_deregister(&vp7045_usb_driver); +} + +module_init(vp7045_usb_module_init); +module_exit(vp7045_usb_module_exit); + +MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>"); +MODULE_DESCRIPTION("Driver for Twinhan MagicBox/Alpha and DNTV tinyUSB2 DVB-T USB2.0"); +MODULE_VERSION("1.0"); +MODULE_LICENSE("GPL"); |