/* DVB USB compliant Linux driver for the TwinhanDTV StarBox USB2.0 DVB-S * receiver. * * Copyright (C) 2005 Ralph Metzler * Metzler Brothers Systementwicklung GbR * * Copyright (C) 2005 Patrick Boettcher * * 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 "vp702x.h" /* debug */ int dvb_usb_vp702x_debug; module_param_named(debug,dvb_usb_vp702x_debug, int, 0644); MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))." DVB_USB_DEBUG_STATUS); struct vp702x_state { u8 pid_table[17]; /* [16] controls the pid_table state */ }; /* check for mutex FIXME */ int vp702x_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 *b, int blen) { int ret = 0,try = 0; while (ret >= 0 && ret != blen && try < 3) { ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev,0), req, USB_TYPE_VENDOR | USB_DIR_IN, value,index,b,blen, 2000); deb_info("reading number %d (ret: %d)\n",try,ret); try++; } if (ret < 0 || ret != blen) { warn("usb in operation failed."); ret = -EIO; } else ret = 0; deb_xfer("in: req. %x, val: %x, ind: %x, buffer: ",req,value,index); debug_dump(b,blen,deb_xfer); return ret; } static int vp702x_usb_out_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 *b, int blen) { deb_xfer("out: req. %x, val: %x, ind: %x, buffer: ",req,value,index); debug_dump(b,blen,deb_xfer); if (usb_control_msg(d->udev, usb_sndctrlpipe(d->udev,0), req, USB_TYPE_VENDOR | USB_DIR_OUT, value,index,b,blen, 2000) != blen) { warn("usb out operation failed."); return -EIO; } else return 0; } int vp702x_usb_inout_op(struct dvb_usb_device *d, u8 *o, int olen, u8 *i, int ilen, int msec) { int ret; if ((ret = mutex_lock_interruptible(&d->usb_mutex))) return ret; if ((ret = vp702x_usb_out_op(d,REQUEST_OUT,0,0,o,olen)) < 0) goto unlock; msleep(msec); ret = vp702x_usb_in_op(d,REQUEST_IN,0,0,i,ilen); unlock: mutex_unlock(&d->usb_mutex); return ret; } static int vp702x_usb_inout_cmd(struct dvb_usb_device *d, u8 cmd, u8 *o, int olen, u8 *i, int ilen, int msec) { u8 bout[olen+2]; u8 bin[ilen+1]; int ret = 0; bout[0] = 0x00; bout[1] = cmd; memcpy(&bout[2],o,olen); ret = vp702x_usb_inout_op(d, bout, olen+2, bin, ilen+1,msec); if (ret == 0) memcpy(i,&bin[1],ilen); return ret; } static int vp702x_pid_filter(struct dvb_usb_device *d, int index, u16 pid, int onoff) { struct vp702x_state *st = d->priv; u8 buf[9]; if (onoff) { st->pid_table[16] |= 1 << index; st->pid_table[index*2] = (pid >> 8) & 0xff; st->pid_table[index*2+1] = pid & 0xff; } else { st->pid_table[16] &= ~(1 << index); st->pid_table[index*2] = st->pid_table[index*2+1] = 0; } return vp702x_usb_inout_cmd(d,SET_PID_FILTER,st->pid_table,17,buf,9,10); } static int vp702x_power_ctrl(struct dvb_usb_device *d, int onoff) { vp702x_usb_in_op(d,RESET_TUNER,0,0,NULL,0); vp702x_usb_in_op(d,SET_TUNER_POWER_REQ,0,onoff,NULL,0); return vp702x_usb_in_op(d,SET_TUNER_POWER_REQ,0,onoff,NULL,0); } /* keys for the enclosed remote control */ static struct dvb_usb_rc_key vp702x_rc_keys[] = { { 0x00, 0x01, KEY_1 }, { 0x00, 0x02, KEY_2 }, }; /* remote control stuff (does not work with my box) */ static int vp702x_rc_query(struct dvb_usb_device *d, u32 *event, int *state) { u8 key[10]; int i; /* remove the following return to enabled remote querying */ return 0; vp702x_usb_in_op(d,READ_REMOTE_REQ,0,0,key,10); deb_rc("remote query key: %x %d\n",key[1],key[1]); if (key[1] == 0x44) { *state = REMOTE_NO_KEY_PRESSED; return 0; } for (i = 0; i < ARRAY_SIZE(vp702x_rc_keys); i++) if (vp702x_rc_keys[i].custom == key[1]) { *state = REMOTE_KEY_PRESSED; *event = vp702x_rc_keys[i].event; break; } return 0; } static int vp702x_read_mac_addr(struct dvb_usb_device *d,u8 mac[6]) { u8 macb[9]; if (vp702x_usb_inout_cmd(d, GET_MAC_ADDRESS, NULL, 0, macb, 9, 10)) return -EIO; memcpy(mac,&macb[3],6); return 0; } static int vp702x_frontend_attach(struct dvb_usb_device *d) { u8 buf[9] = { 0 }; if (vp702x_usb_inout_cmd(d, GET_SYSTEM_STRING, NULL, 0, buf, 9, 10)) return -EIO; buf[8] = '\0'; info("system string: %s",&buf[1]); d->fe = vp702x_fe_attach(d); return 0; } static struct dvb_usb_properties vp702x_properties; static int vp702x_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) { struct usb_device *udev = interface_to_usbdev(intf); usb_clear_halt(udev,usb_sndctrlpipe(udev,0)); usb_clear_halt(udev,usb_rcvctrlpipe(udev,0)); return dvb_usb_device_init(intf,&vp702x_properties,THIS_MODULE,NULL); } static struct usb_device_id vp702x_usb_table [] = { { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7021_COLD) }, { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7021_WARM) }, { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7020_COLD) }, { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7020_WARM) }, { 0 }, }; MODULE_DEVICE_TABLE(usb, vp702x_usb_table); static struct dvb_usb_properties vp702x_properties = { .caps = DVB_USB_HAS_PID_FILTER | DVB_USB_NEED_PID_FILTERING, .pid_filter_count = 8, /* !!! */ .usb_ctrl = CYPRESS_FX2, .firmware = "dvb-usb-vp702x-01.fw", .pid_filter = vp702x_pid_filter, .power_ctrl = vp702x_power_ctrl, .frontend_attach = vp702x_frontend_attach, .read_mac_address = vp702x_read_mac_addr, .rc_key_map = vp702x_rc_keys, .rc_key_map_size = ARRAY_SIZE(vp702x_rc_keys), .rc_interval = 400, .rc_query = vp702x_rc_query, .size_of_priv = sizeof(struct vp702x_state), /* 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 = "TwinhanDTV StarBox DVB-S USB2.0 (VP7021)", .cold_ids = { &vp702x_usb_table[0], NULL }, .warm_ids = { &vp702x_usb_table[1], NULL }, }, { .name = "TwinhanDTV StarBox DVB-S USB2.0 (VP7020)", .cold_ids = { &vp702x_usb_table[2], NULL }, .warm_ids = { &vp702x_usb_table[3], NULL }, }, { 0 }, } }; /* usb specific object needed to register this driver with the usb subsystem */ static struct usb_driver vp702x_usb_driver = { #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,15) .owner = THIS_MODULE, #endif .name = "dvb-usb-vp702x", .probe = vp702x_usb_probe, .disconnect = dvb_usb_device_exit, .id_table = vp702x_usb_table, }; /* module stuff */ static int __init vp702x_usb_module_init(void) { int result; if ((result = usb_register(&vp702x_usb_driver))) { err("usb_register failed. (%d)",result); return result; } return 0; } static void __exit vp702x_usb_module_exit(void) { /* deregister this driver from the USB subsystem */ usb_deregister(&vp702x_usb_driver); } module_init(vp702x_usb_module_init); module_exit(vp702x_usb_module_exit); MODULE_AUTHOR("Patrick Boettcher "); MODULE_DESCRIPTION("Driver for Twinhan StarBox DVB-S USB2.0 and clones"); MODULE_VERSION("1.0-alpha"); MODULE_LICENSE("GPL");