X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fmedia%2Fdvb%2Fdvb-usb%2Fttusb2.c;fp=drivers%2Fmedia%2Fdvb%2Fdvb-usb%2Fttusb2.c;h=95d29976ed78224c066598858948f472276a9fea;hb=76828883507a47dae78837ab5dec5a5b4513c667;hp=0000000000000000000000000000000000000000;hpb=64ba3f394c830ec48a1c31b53dcae312c56f1604;p=linux-2.6.git diff --git a/drivers/media/dvb/dvb-usb/ttusb2.c b/drivers/media/dvb/dvb-usb/ttusb2.c new file mode 100644 index 000000000..95d29976e --- /dev/null +++ b/drivers/media/dvb/dvb-usb/ttusb2.c @@ -0,0 +1,270 @@ +/* DVB USB compliant linux driver for Technotrend DVB USB boxes and clones + * (e.g. Pinnacle 400e DVB-S USB2.0). + * + * The Pinnacle 400e uses the same protocol as the Technotrend USB1.1 boxes. + * + * TDA8263 + TDA10086 + * + * I2C addresses: + * 0x08 - LNBP21PD - LNB power supply + * 0x0e - TDA10086 - Demodulator + * 0x50 - FX2 eeprom + * 0x60 - TDA8263 - Tuner + * 0x78 ??? + * + * Copyright (c) 2002 Holger Waechtler + * Copyright (c) 2003 Felix Domke + * Copyright (C) 2005-6 Patrick Boettcher + * + * 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 + */ +#define DVB_USB_LOG_PREFIX "ttusb2" +#include "dvb-usb.h" + +#include "ttusb2.h" + +#include "tda826x.h" +#include "tda10086.h" +#include "lnbp21.h" + +/* debug */ +static int dvb_usb_ttusb2_debug; +#define deb_info(args...) dprintk(dvb_usb_ttusb2_debug,0x01,args) +module_param_named(debug,dvb_usb_ttusb2_debug, int, 0644); +MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able))." DVB_USB_DEBUG_STATUS); + +struct ttusb2_state { + u8 id; +}; + +static int ttusb2_msg(struct dvb_usb_device *d, u8 cmd, + u8 *wbuf, int wlen, u8 *rbuf, int rlen) +{ + struct ttusb2_state *st = d->priv; + u8 s[wlen+4],r[64] = { 0 }; + int ret = 0; + + memset(s,0,wlen+4); + + s[0] = 0xaa; + s[1] = ++st->id; + s[2] = cmd; + s[3] = wlen; + memcpy(&s[4],wbuf,wlen); + + ret = dvb_usb_generic_rw(d, s, wlen+4, r, 64, 0); + + if (ret != 0 || + r[0] != 0x55 || + r[1] != s[1] || + r[2] != cmd || + (rlen > 0 && r[3] != rlen)) { + warn("there might have been an error during control message transfer. (rlen = %d, was %d)",rlen,r[3]); + return -EIO; + } + + if (rlen > 0) + memcpy(rbuf, &r[4], rlen); + + return 0; +} + +static int ttusb2_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num) +{ + struct dvb_usb_device *d = i2c_get_adapdata(adap); + static u8 obuf[60], ibuf[60]; + int i,read; + + if (mutex_lock_interruptible(&d->i2c_mutex) < 0) + return -EAGAIN; + + if (num > 2) + warn("more than 2 i2c messages at a time is not handled yet. TODO."); + + for (i = 0; i < num; i++) { + read = i+1 < num && (msg[i+1].flags & I2C_M_RD); + + obuf[0] = (msg[i].addr << 1) | read; + obuf[1] = msg[i].len; + + /* read request */ + if (read) + obuf[2] = msg[i+1].len; + else + obuf[2] = 0; + + memcpy(&obuf[3],msg[i].buf,msg[i].len); + + if (ttusb2_msg(d, CMD_I2C_XFER, obuf, msg[i].len+3, ibuf, obuf[2] + 3) < 0) { + err("i2c transfer failed."); + break; + } + + if (read) { + memcpy(msg[i+1].buf,&ibuf[3],msg[i+1].len); + i++; + } + } + + mutex_unlock(&d->i2c_mutex); + return i; +} + +static u32 ttusb2_i2c_func(struct i2c_adapter *adapter) +{ + return I2C_FUNC_I2C; +} + +static struct i2c_algorithm ttusb2_i2c_algo = { + .master_xfer = ttusb2_i2c_xfer, + .functionality = ttusb2_i2c_func, +}; + +/* Callbacks for DVB USB */ +static int ttusb2_identify_state (struct usb_device *udev, struct + dvb_usb_device_properties *props, struct dvb_usb_device_description **desc, + int *cold) +{ + *cold = udev->descriptor.iManufacturer == 0 && udev->descriptor.iProduct == 0; + return 0; +} + +static int ttusb2_power_ctrl(struct dvb_usb_device *d, int onoff) +{ + u8 b = onoff; + ttusb2_msg(d, CMD_POWER, &b, 0, NULL, 0); + return ttusb2_msg(d, CMD_POWER, &b, 1, NULL, 0); +} + + +static struct tda10086_config tda10086_config = { + .demod_address = 0x0e, + .invert = 0, +}; + +static int ttusb2_frontend_attach(struct dvb_usb_adapter *adap) +{ + if (usb_set_interface(adap->dev->udev,0,3) < 0) + err("set interface to alts=3 failed"); + + if ((adap->fe = dvb_attach(tda10086_attach, &tda10086_config, &adap->dev->i2c_adap)) == NULL) { + deb_info("TDA10086 attach failed\n"); + return -ENODEV; + } + + return 0; +} + +static int ttusb2_tuner_attach(struct dvb_usb_adapter *adap) +{ + if (dvb_attach(tda826x_attach, adap->fe, 0x60, &adap->dev->i2c_adap, 0) == NULL) { + deb_info("TDA8263 attach failed\n"); + return -ENODEV; + } + + if (dvb_attach(lnbp21_attach, adap->fe, &adap->dev->i2c_adap, 0, 0) == NULL) { + deb_info("LNBP21 attach failed\n"); + return -ENODEV; + } + return 0; +} + +/* DVB USB Driver stuff */ +static struct dvb_usb_device_properties ttusb2_properties; + +static int ttusb2_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + return dvb_usb_device_init(intf,&ttusb2_properties,THIS_MODULE,NULL); +} + +static struct usb_device_id ttusb2_table [] = { + { USB_DEVICE(USB_VID_PINNACLE, USB_PID_PCTV_400E) }, + {} /* Terminating entry */ +}; +MODULE_DEVICE_TABLE (usb, ttusb2_table); + +static struct dvb_usb_device_properties ttusb2_properties = { + .caps = DVB_USB_IS_AN_I2C_ADAPTER, + + .usb_ctrl = CYPRESS_FX2, + .firmware = "dvb-usb-pctv-400e-01.fw", + + .size_of_priv = sizeof(struct ttusb2_state), + + .num_adapters = 1, + .adapter = { + { + .streaming_ctrl = NULL, // ttusb2_streaming_ctrl, + + .frontend_attach = ttusb2_frontend_attach, + .tuner_attach = ttusb2_tuner_attach, + + /* parameter for the MPEG2-data transfer */ + .stream = { + .type = USB_ISOC, + .count = 5, + .endpoint = 0x02, + .u = { + .isoc = { + .framesperurb = 4, + .framesize = 940, + .interval = 1, + } + } + } + } + }, + + .power_ctrl = ttusb2_power_ctrl, + .identify_state = ttusb2_identify_state, + + .i2c_algo = &ttusb2_i2c_algo, + + .generic_bulk_ctrl_endpoint = 0x01, + + .num_device_descs = 1, + .devices = { + { "Pinnacle 400e DVB-S USB2.0", + { &ttusb2_table[0], NULL }, + { NULL }, + }, + } +}; + +static struct usb_driver ttusb2_driver = { + .name = "dvb_usb_ttusb2", + .probe = ttusb2_probe, + .disconnect = dvb_usb_device_exit, + .id_table = ttusb2_table, +}; + +/* module stuff */ +static int __init ttusb2_module_init(void) +{ + int result; + if ((result = usb_register(&ttusb2_driver))) { + err("usb_register failed. Error number %d",result); + return result; + } + + return 0; +} + +static void __exit ttusb2_module_exit(void) +{ + /* deregister this driver from the USB subsystem */ + usb_deregister(&ttusb2_driver); +} + +module_init (ttusb2_module_init); +module_exit (ttusb2_module_exit); + +MODULE_AUTHOR("Patrick Boettcher "); +MODULE_DESCRIPTION("Driver for Pinnacle PCTV 400e DVB-S USB2.0"); +MODULE_VERSION("1.0"); +MODULE_LICENSE("GPL");