| /* DVB USB compliant linux driver for Nebula Electronics uDigiTV DVB-T USB2.0 |
| * receiver |
| * |
| * Copyright (C) 2005 Patrick Boettcher (patrick.boettcher@desy.de) |
| * |
| * partly based on the SDK published by Nebula Electronics |
| * |
| * 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 "digitv.h" |
| |
| #include "mt352.h" |
| #include "nxt6000.h" |
| |
| /* debug */ |
| int dvb_usb_digitv_debug; |
| module_param_named(debug,dvb_usb_digitv_debug, int, 0644); |
| MODULE_PARM_DESC(debug, "set debugging level (1=rc (or-able))." DVB_USB_DEBUG_STATUS); |
| |
| static int digitv_ctrl_msg(struct dvb_usb_device *d, |
| u8 cmd, u8 vv, u8 *wbuf, int wlen, u8 *rbuf, int rlen) |
| { |
| int wo = (rbuf == NULL || rlen == 0); /* write-only */ |
| u8 sndbuf[7],rcvbuf[7]; |
| memset(sndbuf,0,7); memset(rcvbuf,0,7); |
| |
| sndbuf[0] = cmd; |
| sndbuf[1] = vv; |
| sndbuf[2] = wo ? wlen : rlen; |
| |
| if (wo) { |
| memcpy(&sndbuf[3],wbuf,wlen); |
| dvb_usb_generic_write(d,sndbuf,7); |
| } else { |
| dvb_usb_generic_rw(d,sndbuf,7,rcvbuf,7,10); |
| memcpy(rbuf,&rcvbuf[3],rlen); |
| } |
| return 0; |
| } |
| |
| /* I2C */ |
| static int digitv_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num) |
| { |
| struct dvb_usb_device *d = i2c_get_adapdata(adap); |
| int i; |
| |
| 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++) { |
| /* write/read request */ |
| if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) { |
| if (digitv_ctrl_msg(d, USB_READ_COFDM, msg[i].buf[0], NULL, 0, |
| msg[i+1].buf,msg[i+1].len) < 0) |
| break; |
| i++; |
| } else |
| if (digitv_ctrl_msg(d,USB_WRITE_COFDM, msg[i].buf[0], |
| &msg[i].buf[1],msg[i].len-1,NULL,0) < 0) |
| break; |
| } |
| |
| mutex_unlock(&d->i2c_mutex); |
| return i; |
| } |
| |
| static u32 digitv_i2c_func(struct i2c_adapter *adapter) |
| { |
| return I2C_FUNC_I2C; |
| } |
| |
| static struct i2c_algorithm digitv_i2c_algo = { |
| .master_xfer = digitv_i2c_xfer, |
| .functionality = digitv_i2c_func, |
| }; |
| |
| /* Callbacks for DVB USB */ |
| static int digitv_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 digitv_mt352_demod_init(struct dvb_frontend *fe) |
| { |
| static u8 reset_buf[] = { 0x89, 0x38, 0x8a, 0x2d, 0x50, 0x80 }; |
| static u8 init_buf[] = { 0x68, 0xa0, 0x8e, 0x40, 0x53, 0x50, |
| 0x67, 0x20, 0x7d, 0x01, 0x7c, 0x00, 0x7a, 0x00, |
| 0x79, 0x20, 0x57, 0x05, 0x56, 0x31, 0x88, 0x0f, |
| 0x75, 0x32 }; |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(reset_buf); i += 2) |
| mt352_write(fe, &reset_buf[i], 2); |
| |
| msleep(1); |
| |
| for (i = 0; i < ARRAY_SIZE(init_buf); i += 2) |
| mt352_write(fe, &init_buf[i], 2); |
| |
| return 0; |
| } |
| |
| static struct mt352_config digitv_mt352_config = { |
| .demod_init = digitv_mt352_demod_init, |
| }; |
| |
| static int digitv_nxt6000_tuner_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *fep) |
| { |
| struct dvb_usb_adapter *adap = fe->dvb->priv; |
| u8 b[5]; |
| dvb_usb_tuner_calc_regs(fe,fep,b, 5); |
| return digitv_ctrl_msg(adap->dev, USB_WRITE_TUNER, 0, &b[1], 4, NULL, 0); |
| } |
| |
| static struct nxt6000_config digitv_nxt6000_config = { |
| .clock_inversion = 1, |
| }; |
| |
| static int digitv_frontend_attach(struct dvb_usb_adapter *adap) |
| { |
| if ((adap->fe = dvb_attach(mt352_attach, &digitv_mt352_config, &adap->dev->i2c_adap)) != NULL) { |
| adap->fe->ops.tuner_ops.calc_regs = dvb_usb_tuner_calc_regs; |
| return 0; |
| } |
| if ((adap->fe = dvb_attach(nxt6000_attach, &digitv_nxt6000_config, &adap->dev->i2c_adap)) != NULL) { |
| adap->fe->ops.tuner_ops.set_params = digitv_nxt6000_tuner_set_params; |
| return 0; |
| } |
| return -EIO; |
| } |
| |
| static int digitv_tuner_attach(struct dvb_usb_adapter *adap) |
| { |
| adap->pll_addr = 0x60; |
| adap->pll_desc = &dvb_pll_tded4; |
| return 0; |
| } |
| |
| static struct dvb_usb_rc_key digitv_rc_keys[] = { |
| { 0x5f, 0x55, KEY_0 }, |
| { 0x6f, 0x55, KEY_1 }, |
| { 0x9f, 0x55, KEY_2 }, |
| { 0xaf, 0x55, KEY_3 }, |
| { 0x5f, 0x56, KEY_4 }, |
| { 0x6f, 0x56, KEY_5 }, |
| { 0x9f, 0x56, KEY_6 }, |
| { 0xaf, 0x56, KEY_7 }, |
| { 0x5f, 0x59, KEY_8 }, |
| { 0x6f, 0x59, KEY_9 }, |
| { 0x9f, 0x59, KEY_TV }, |
| { 0xaf, 0x59, KEY_AUX }, |
| { 0x5f, 0x5a, KEY_DVD }, |
| { 0x6f, 0x5a, KEY_POWER }, |
| { 0x9f, 0x5a, KEY_MHP }, /* labelled 'Picture' */ |
| { 0xaf, 0x5a, KEY_AUDIO }, |
| { 0x5f, 0x65, KEY_INFO }, |
| { 0x6f, 0x65, KEY_F13 }, /* 16:9 */ |
| { 0x9f, 0x65, KEY_F14 }, /* 14:9 */ |
| { 0xaf, 0x65, KEY_EPG }, |
| { 0x5f, 0x66, KEY_EXIT }, |
| { 0x6f, 0x66, KEY_MENU }, |
| { 0x9f, 0x66, KEY_UP }, |
| { 0xaf, 0x66, KEY_DOWN }, |
| { 0x5f, 0x69, KEY_LEFT }, |
| { 0x6f, 0x69, KEY_RIGHT }, |
| { 0x9f, 0x69, KEY_ENTER }, |
| { 0xaf, 0x69, KEY_CHANNELUP }, |
| { 0x5f, 0x6a, KEY_CHANNELDOWN }, |
| { 0x6f, 0x6a, KEY_VOLUMEUP }, |
| { 0x9f, 0x6a, KEY_VOLUMEDOWN }, |
| { 0xaf, 0x6a, KEY_RED }, |
| { 0x5f, 0x95, KEY_GREEN }, |
| { 0x6f, 0x95, KEY_YELLOW }, |
| { 0x9f, 0x95, KEY_BLUE }, |
| { 0xaf, 0x95, KEY_SUBTITLE }, |
| { 0x5f, 0x96, KEY_F15 }, /* AD */ |
| { 0x6f, 0x96, KEY_TEXT }, |
| { 0x9f, 0x96, KEY_MUTE }, |
| { 0xaf, 0x96, KEY_REWIND }, |
| { 0x5f, 0x99, KEY_STOP }, |
| { 0x6f, 0x99, KEY_PLAY }, |
| { 0x9f, 0x99, KEY_FASTFORWARD }, |
| { 0xaf, 0x99, KEY_F16 }, /* chapter */ |
| { 0x5f, 0x9a, KEY_PAUSE }, |
| { 0x6f, 0x9a, KEY_PLAY }, |
| { 0x9f, 0x9a, KEY_RECORD }, |
| { 0xaf, 0x9a, KEY_F17 }, /* picture in picture */ |
| { 0x5f, 0xa5, KEY_KPPLUS }, /* zoom in */ |
| { 0x6f, 0xa5, KEY_KPMINUS }, /* zoom out */ |
| { 0x9f, 0xa5, KEY_F18 }, /* capture */ |
| { 0xaf, 0xa5, KEY_F19 }, /* web */ |
| { 0x5f, 0xa6, KEY_EMAIL }, |
| { 0x6f, 0xa6, KEY_PHONE }, |
| { 0x9f, 0xa6, KEY_PC }, |
| }; |
| |
| static int digitv_rc_query(struct dvb_usb_device *d, u32 *event, int *state) |
| { |
| int i; |
| u8 key[5]; |
| u8 b[4] = { 0 }; |
| |
| *event = 0; |
| *state = REMOTE_NO_KEY_PRESSED; |
| |
| digitv_ctrl_msg(d,USB_READ_REMOTE,0,NULL,0,&key[1],4); |
| |
| /* Tell the device we've read the remote. Not sure how necessary |
| this is, but the Nebula SDK does it. */ |
| digitv_ctrl_msg(d,USB_WRITE_REMOTE,0,b,4,NULL,0); |
| |
| /* if something is inside the buffer, simulate key press */ |
| if (key[1] != 0) |
| { |
| for (i = 0; i < d->props.rc_key_map_size; i++) { |
| if (d->props.rc_key_map[i].custom == key[1] && |
| d->props.rc_key_map[i].data == key[2]) { |
| *event = d->props.rc_key_map[i].event; |
| *state = REMOTE_KEY_PRESSED; |
| return 0; |
| } |
| } |
| } |
| |
| if (key[0] != 0) |
| deb_rc("key: %x %x %x %x %x\n",key[0],key[1],key[2],key[3],key[4]); |
| return 0; |
| } |
| |
| /* DVB USB Driver stuff */ |
| static struct dvb_usb_device_properties digitv_properties; |
| |
| static int digitv_probe(struct usb_interface *intf, |
| const struct usb_device_id *id) |
| { |
| struct dvb_usb_device *d; |
| int ret; |
| if ((ret = dvb_usb_device_init(intf,&digitv_properties,THIS_MODULE,&d)) == 0) { |
| u8 b[4] = { 0 }; |
| |
| if (d != NULL) { /* do that only when the firmware is loaded */ |
| b[0] = 1; |
| digitv_ctrl_msg(d,USB_WRITE_REMOTE_TYPE,0,b,4,NULL,0); |
| |
| b[0] = 0; |
| digitv_ctrl_msg(d,USB_WRITE_REMOTE,0,b,4,NULL,0); |
| } |
| } |
| return ret; |
| } |
| |
| static struct usb_device_id digitv_table [] = { |
| { USB_DEVICE(USB_VID_ANCHOR, USB_PID_NEBULA_DIGITV) }, |
| { } /* Terminating entry */ |
| }; |
| MODULE_DEVICE_TABLE (usb, digitv_table); |
| |
| static struct dvb_usb_device_properties digitv_properties = { |
| .caps = DVB_USB_IS_AN_I2C_ADAPTER, |
| |
| .usb_ctrl = CYPRESS_FX2, |
| .firmware = "dvb-usb-digitv-02.fw", |
| |
| .num_adapters = 1, |
| .adapter = { |
| { |
| .frontend_attach = digitv_frontend_attach, |
| .tuner_attach = digitv_tuner_attach, |
| |
| /* parameter for the MPEG2-data transfer */ |
| .stream = { |
| .type = USB_BULK, |
| .count = 7, |
| .endpoint = 0x02, |
| .u = { |
| .bulk = { |
| .buffersize = 4096, |
| } |
| } |
| }, |
| } |
| }, |
| .identify_state = digitv_identify_state, |
| |
| .rc_interval = 1000, |
| .rc_key_map = digitv_rc_keys, |
| .rc_key_map_size = ARRAY_SIZE(digitv_rc_keys), |
| .rc_query = digitv_rc_query, |
| |
| .i2c_algo = &digitv_i2c_algo, |
| |
| .generic_bulk_ctrl_endpoint = 0x01, |
| |
| .num_device_descs = 1, |
| .devices = { |
| { "Nebula Electronics uDigiTV DVB-T USB2.0)", |
| { &digitv_table[0], NULL }, |
| { NULL }, |
| }, |
| { NULL }, |
| } |
| }; |
| |
| static struct usb_driver digitv_driver = { |
| .name = "dvb_usb_digitv", |
| .probe = digitv_probe, |
| .disconnect = dvb_usb_device_exit, |
| .id_table = digitv_table, |
| }; |
| |
| /* module stuff */ |
| static int __init digitv_module_init(void) |
| { |
| int result; |
| if ((result = usb_register(&digitv_driver))) { |
| err("usb_register failed. Error number %d",result); |
| return result; |
| } |
| |
| return 0; |
| } |
| |
| static void __exit digitv_module_exit(void) |
| { |
| /* deregister this driver from the USB subsystem */ |
| usb_deregister(&digitv_driver); |
| } |
| |
| module_init (digitv_module_init); |
| module_exit (digitv_module_exit); |
| |
| MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>"); |
| MODULE_DESCRIPTION("Driver for Nebula Electronics uDigiTV DVB-T USB2.0"); |
| MODULE_VERSION("1.0-alpha"); |
| MODULE_LICENSE("GPL"); |