diff options
Diffstat (limited to 'drivers/media/dvb/dvb-usb/vp702x.c')
-rw-r--r-- | drivers/media/dvb/dvb-usb/vp702x.c | 290 |
1 files changed, 290 insertions, 0 deletions
diff --git a/drivers/media/dvb/dvb-usb/vp702x.c b/drivers/media/dvb/dvb-usb/vp702x.c new file mode 100644 index 000000000000..de13c04e8e64 --- /dev/null +++ b/drivers/media/dvb/dvb-usb/vp702x.c @@ -0,0 +1,290 @@ +/* DVB USB compliant Linux driver for the TwinhanDTV StarBox USB2.0 DVB-S + * receiver. + * + * Copyright (C) 2005 Ralph Metzler <rjkm@metzlerbros.de> + * Metzler Brothers Systementwicklung GbR + * + * Copyright (C) 2005 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 "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; +} + +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 = down_interruptible(&d->usb_sem))) + 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: + up(&d->usb_sem); + + return ret; +} + +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 = { + .owner = THIS_MODULE, + .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 <patrick.boettcher@desy.de>"); +MODULE_DESCRIPTION("Driver for Twinhan StarBox DVB-S USB2.0 and clones"); +MODULE_VERSION("1.0-alpha"); +MODULE_LICENSE("GPL"); |