forked from Minki/linux
63b5c1c47f
Change the name-field of the pci_driver and usb_driver structs to the name of the module after compilation. It seems that this field is used in some places where special characters are not allowed. Thanks to Alan Halverson for finding this problem. Signed-off-by: Patrick Boettcher <pb@linuxtv.org> Signed-off-by: Johannes Stezenbach <js@linuxtv.org> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
262 lines
6.5 KiB
C
262 lines
6.5 KiB
C
/* DVB USB compliant linux driver for Nebula Electronics uDigiTV DVB-T USB2.0
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* receiver
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*
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* Copyright (C) 2005 Patrick Boettcher (patrick.boettcher@desy.de)
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*
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* partly based on the SDK published by Nebula Electronics
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation, version 2.
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*
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* see Documentation/dvb/README.dvb-usb for more information
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*/
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#include "digitv.h"
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#include "mt352.h"
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#include "nxt6000.h"
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/* debug */
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int dvb_usb_digitv_debug;
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module_param_named(debug,dvb_usb_digitv_debug, int, 0644);
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MODULE_PARM_DESC(debug, "set debugging level (1=rc (or-able))." DVB_USB_DEBUG_STATUS);
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static int digitv_ctrl_msg(struct dvb_usb_device *d,
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u8 cmd, u8 vv, u8 *wbuf, int wlen, u8 *rbuf, int rlen)
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{
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int wo = (rbuf == NULL || rlen == 0); /* write-only */
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u8 sndbuf[7],rcvbuf[7];
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memset(sndbuf,0,7); memset(rcvbuf,0,7);
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sndbuf[0] = cmd;
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sndbuf[1] = vv;
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sndbuf[2] = wo ? wlen : rlen;
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if (!wo) {
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memcpy(&sndbuf[3],wbuf,wlen);
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dvb_usb_generic_write(d,sndbuf,7);
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} else {
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dvb_usb_generic_rw(d,sndbuf,7,rcvbuf,7,10);
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memcpy(rbuf,&rcvbuf[3],rlen);
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}
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return 0;
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}
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/* I2C */
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static int digitv_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
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{
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struct dvb_usb_device *d = i2c_get_adapdata(adap);
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int i;
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if (down_interruptible(&d->i2c_sem) < 0)
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return -EAGAIN;
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if (num > 2)
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warn("more than 2 i2c messages at a time is not handled yet. TODO.");
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for (i = 0; i < num; i++) {
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/* write/read request */
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if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
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if (digitv_ctrl_msg(d, USB_READ_COFDM, msg[i].buf[0], NULL, 0,
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msg[i+1].buf,msg[i+1].len) < 0)
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break;
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i++;
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} else
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if (digitv_ctrl_msg(d,USB_WRITE_COFDM, msg[i].buf[0],
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&msg[i].buf[1],msg[i].len-1,NULL,0) < 0)
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break;
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}
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up(&d->i2c_sem);
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return i;
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}
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static u32 digitv_i2c_func(struct i2c_adapter *adapter)
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{
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return I2C_FUNC_I2C;
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}
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static struct i2c_algorithm digitv_i2c_algo = {
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.name = "Nebula DigiTV USB I2C algorithm",
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.id = I2C_ALGO_BIT,
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.master_xfer = digitv_i2c_xfer,
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.functionality = digitv_i2c_func,
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};
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/* Callbacks for DVB USB */
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static int digitv_identify_state (struct usb_device *udev, struct
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dvb_usb_properties *props, struct dvb_usb_device_description **desc,
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int *cold)
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{
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*cold = udev->descriptor.iManufacturer == 0 && udev->descriptor.iProduct == 0;
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return 0;
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}
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static int digitv_mt352_demod_init(struct dvb_frontend *fe)
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{
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static u8 reset_buf[] = { 0x89, 0x38, 0x8a, 0x2d, 0x50, 0x80 };
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static u8 init_buf[] = { 0x68, 0xa0, 0x8e, 0x40, 0x53, 0x50,
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0x67, 0x20, 0x7d, 0x01, 0x7c, 0x00, 0x7a, 0x00,
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0x79, 0x20, 0x57, 0x05, 0x56, 0x31, 0x88, 0x0f,
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0x75, 0x32 };
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int i;
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for (i = 0; i < ARRAY_SIZE(reset_buf); i += 2)
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mt352_write(fe, &reset_buf[i], 2);
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msleep(1);
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for (i = 0; i < ARRAY_SIZE(init_buf); i += 2)
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mt352_write(fe, &init_buf[i], 2);
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return 0;
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}
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static struct mt352_config digitv_mt352_config = {
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.demod_address = 0x0, /* ignored by the digitv anyway */
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.demod_init = digitv_mt352_demod_init,
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.pll_set = dvb_usb_pll_set,
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};
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static struct nxt6000_config digitv_nxt6000_config = {
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.demod_address = 0x0, /* ignored by the digitv anyway */
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.clock_inversion = 0x0,
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.pll_init = NULL,
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.pll_set = NULL,
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};
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static int digitv_frontend_attach(struct dvb_usb_device *d)
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{
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if ((d->fe = mt352_attach(&digitv_mt352_config, &d->i2c_adap)) != NULL)
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return 0;
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if ((d->fe = nxt6000_attach(&digitv_nxt6000_config, &d->i2c_adap)) != NULL) {
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warn("nxt6000 support is not done yet, in fact you are one of the first "
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"person who wants to use this device in Linux. Please report to "
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"linux-dvb@linuxtv.org");
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return 0;
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}
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return -EIO;
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}
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static int digitv_tuner_attach(struct dvb_usb_device *d)
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{
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d->pll_addr = 0x60;
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d->pll_desc = &dvb_pll_tded4;
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return 0;
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}
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static struct dvb_usb_rc_key digitv_rc_keys[] = {
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{ 0x00, 0x16, KEY_POWER }, /* dummy key */
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};
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/* TODO is it really the NEC protocol ? */
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int digitv_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
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{
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u8 key[5];
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digitv_ctrl_msg(d,USB_READ_REMOTE,0,NULL,0,&key[1],4);
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/* TODO state, maybe it is VV ? */
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if (key[1] != 0)
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key[0] = 0x01; /* if something is inside the buffer, simulate key press */
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/* call the universal NEC remote processor, to find out the key's state and event */
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dvb_usb_nec_rc_key_to_event(d,key,event,state);
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if (key[0] != 0)
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deb_rc("key: %x %x %x %x %x\n",key[0],key[1],key[2],key[3],key[4]);
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return 0;
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}
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/* DVB USB Driver stuff */
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static struct dvb_usb_properties digitv_properties;
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static int digitv_probe(struct usb_interface *intf,
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const struct usb_device_id *id)
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{
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return dvb_usb_device_init(intf,&digitv_properties,THIS_MODULE);
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}
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static struct usb_device_id digitv_table [] = {
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{ USB_DEVICE(USB_VID_ANCHOR, USB_PID_NEBULA_DIGITV) },
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{ } /* Terminating entry */
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};
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MODULE_DEVICE_TABLE (usb, digitv_table);
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static struct dvb_usb_properties digitv_properties = {
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.caps = DVB_USB_IS_AN_I2C_ADAPTER,
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.usb_ctrl = CYPRESS_FX2,
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.firmware = "dvb-usb-digitv-01.fw",
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.size_of_priv = 0,
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.frontend_attach = digitv_frontend_attach,
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.tuner_attach = digitv_tuner_attach,
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.rc_interval = 1000,
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.rc_key_map = digitv_rc_keys,
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.rc_key_map_size = ARRAY_SIZE(digitv_rc_keys),
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.rc_query = digitv_rc_query,
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.identify_state = digitv_identify_state,
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.i2c_algo = &digitv_i2c_algo,
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.generic_bulk_ctrl_endpoint = 0x01,
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/* parameter for the MPEG2-data transfer */
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.urb = {
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.type = DVB_USB_BULK,
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.count = 7,
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.endpoint = 0x02,
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.u = {
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.bulk = {
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.buffersize = 4096,
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}
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}
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},
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.num_device_descs = 1,
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.devices = {
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{ "Nebula Electronics uDigiTV DVB-T USB2.0)",
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{ &digitv_table[0], NULL },
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{ NULL },
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},
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}
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};
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static struct usb_driver digitv_driver = {
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.owner = THIS_MODULE,
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.name = "dvb_usb_digitv",
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.probe = digitv_probe,
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.disconnect = dvb_usb_device_exit,
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.id_table = digitv_table,
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};
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/* module stuff */
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static int __init digitv_module_init(void)
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{
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int result;
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if ((result = usb_register(&digitv_driver))) {
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err("usb_register failed. Error number %d",result);
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return result;
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}
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return 0;
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}
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static void __exit digitv_module_exit(void)
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{
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/* deregister this driver from the USB subsystem */
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usb_deregister(&digitv_driver);
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}
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module_init (digitv_module_init);
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module_exit (digitv_module_exit);
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MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
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MODULE_DESCRIPTION("Driver for Nebula Electronics uDigiTV DVB-T USB2.0");
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MODULE_VERSION("1.0-alpha");
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MODULE_LICENSE("GPL");
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