549 lines
14 KiB
C
549 lines
14 KiB
C
/* DVB USB compliant linux driver for Conexant USB reference design.
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*
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* The Conexant reference design I saw on their website was only for analogue
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* capturing (using the cx25842). The box I took to write this driver (reverse
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* engineered) is the one labeled Medion MD95700. In addition to the cx25842
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* for analogue capturing it also has a cx22702 DVB-T demodulator on the main
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* board. Besides it has a atiremote (X10) and a USB2.0 hub onboard.
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*
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* Maybe it is a little bit premature to call this driver cxusb, but I assume
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* the USB protocol is identical or at least inherited from the reference
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* design, so it can be reused for the "analogue-only" device (if it will
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* appear at all).
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*
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* TODO: Use the cx25840-driver for the analogue part
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*
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* Copyright (C) 2005 Patrick Boettcher (patrick.boettcher@desy.de)
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* Copyright (C) 2005 Michael Krufky (mkrufky@m1k.net)
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* Copyright (C) 2006 Chris Pascoe (c.pascoe@itee.uq.edu.au)
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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 "cxusb.h"
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#include "cx22702.h"
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#include "lgdt330x.h"
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#include "mt352.h"
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#include "mt352_priv.h"
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/* debug */
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int dvb_usb_cxusb_debug;
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module_param_named(debug,dvb_usb_cxusb_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 cxusb_ctrl_msg(struct dvb_usb_device *d,
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u8 cmd, 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[1+wlen];
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memset(sndbuf,0,1+wlen);
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sndbuf[0] = cmd;
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memcpy(&sndbuf[1],wbuf,wlen);
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if (wo)
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dvb_usb_generic_write(d,sndbuf,1+wlen);
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else
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dvb_usb_generic_rw(d,sndbuf,1+wlen,rbuf,rlen,0);
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return 0;
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}
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/* GPIO */
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static void cxusb_gpio_tuner(struct dvb_usb_device *d, int onoff)
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{
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struct cxusb_state *st = d->priv;
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u8 o[2],i;
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if (st->gpio_write_state[GPIO_TUNER] == onoff)
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return;
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o[0] = GPIO_TUNER;
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o[1] = onoff;
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cxusb_ctrl_msg(d,CMD_GPIO_WRITE,o,2,&i,1);
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if (i != 0x01)
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deb_info("gpio_write failed.\n");
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st->gpio_write_state[GPIO_TUNER] = onoff;
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}
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/* I2C */
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static int cxusb_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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switch (msg[i].addr) {
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case 0x63:
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cxusb_gpio_tuner(d,0);
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break;
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default:
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cxusb_gpio_tuner(d,1);
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break;
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}
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/* read request */
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if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
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u8 obuf[3+msg[i].len], ibuf[1+msg[i+1].len];
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obuf[0] = msg[i].len;
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obuf[1] = msg[i+1].len;
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obuf[2] = msg[i].addr;
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memcpy(&obuf[3],msg[i].buf,msg[i].len);
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if (cxusb_ctrl_msg(d, CMD_I2C_READ,
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obuf, 3+msg[i].len,
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ibuf, 1+msg[i+1].len) < 0)
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break;
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if (ibuf[0] != 0x08)
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deb_info("i2c read could have been failed\n");
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memcpy(msg[i+1].buf,&ibuf[1],msg[i+1].len);
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i++;
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} else { /* write */
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u8 obuf[2+msg[i].len], ibuf;
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obuf[0] = msg[i].addr;
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obuf[1] = msg[i].len;
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memcpy(&obuf[2],msg[i].buf,msg[i].len);
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if (cxusb_ctrl_msg(d,CMD_I2C_WRITE, obuf, 2+msg[i].len, &ibuf,1) < 0)
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break;
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if (ibuf != 0x08)
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deb_info("i2c write could have been failed\n");
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}
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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 cxusb_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 cxusb_i2c_algo = {
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.master_xfer = cxusb_i2c_xfer,
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.functionality = cxusb_i2c_func,
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};
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static int cxusb_power_ctrl(struct dvb_usb_device *d, int onoff)
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{
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u8 b = 0;
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if (onoff)
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return cxusb_ctrl_msg(d, CMD_POWER_ON, &b, 1, NULL, 0);
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else
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return cxusb_ctrl_msg(d, CMD_POWER_OFF, &b, 1, NULL, 0);
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}
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static int cxusb_streaming_ctrl(struct dvb_usb_device *d, int onoff)
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{
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u8 buf[2] = { 0x03, 0x00 };
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if (onoff)
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cxusb_ctrl_msg(d,CMD_STREAMING_ON, buf, 2, NULL, 0);
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else
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cxusb_ctrl_msg(d,CMD_STREAMING_OFF, NULL, 0, NULL, 0);
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return 0;
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}
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static int cxusb_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
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{
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struct dvb_usb_rc_key *keymap = d->props.rc_key_map;
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u8 ircode[4];
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int i;
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cxusb_ctrl_msg(d, CMD_GET_IR_CODE, NULL, 0, ircode, 4);
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*event = 0;
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*state = REMOTE_NO_KEY_PRESSED;
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for (i = 0; i < d->props.rc_key_map_size; i++) {
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if (keymap[i].custom == ircode[2] &&
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keymap[i].data == ircode[3]) {
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*event = keymap[i].event;
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*state = REMOTE_KEY_PRESSED;
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return 0;
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}
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}
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return 0;
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}
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struct dvb_usb_rc_key dvico_mce_rc_keys[] = {
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{ 0xfe, 0x02, KEY_TV },
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{ 0xfe, 0x0e, KEY_MP3 },
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{ 0xfe, 0x1a, KEY_DVD },
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{ 0xfe, 0x1e, KEY_FAVORITES },
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{ 0xfe, 0x16, KEY_SETUP },
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{ 0xfe, 0x46, KEY_POWER2 },
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{ 0xfe, 0x0a, KEY_EPG },
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{ 0xfe, 0x49, KEY_BACK },
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{ 0xfe, 0x4d, KEY_MENU },
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{ 0xfe, 0x51, KEY_UP },
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{ 0xfe, 0x5b, KEY_LEFT },
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{ 0xfe, 0x5f, KEY_RIGHT },
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{ 0xfe, 0x53, KEY_DOWN },
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{ 0xfe, 0x5e, KEY_OK },
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{ 0xfe, 0x59, KEY_INFO },
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{ 0xfe, 0x55, KEY_TAB },
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{ 0xfe, 0x0f, KEY_PREVIOUSSONG },/* Replay */
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{ 0xfe, 0x12, KEY_NEXTSONG }, /* Skip */
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{ 0xfe, 0x42, KEY_ENTER }, /* Windows/Start */
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{ 0xfe, 0x15, KEY_VOLUMEUP },
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{ 0xfe, 0x05, KEY_VOLUMEDOWN },
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{ 0xfe, 0x11, KEY_CHANNELUP },
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{ 0xfe, 0x09, KEY_CHANNELDOWN },
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{ 0xfe, 0x52, KEY_CAMERA },
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{ 0xfe, 0x5a, KEY_TUNER }, /* Live */
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{ 0xfe, 0x19, KEY_OPEN },
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{ 0xfe, 0x0b, KEY_1 },
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{ 0xfe, 0x17, KEY_2 },
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{ 0xfe, 0x1b, KEY_3 },
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{ 0xfe, 0x07, KEY_4 },
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{ 0xfe, 0x50, KEY_5 },
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{ 0xfe, 0x54, KEY_6 },
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{ 0xfe, 0x48, KEY_7 },
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{ 0xfe, 0x4c, KEY_8 },
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{ 0xfe, 0x58, KEY_9 },
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{ 0xfe, 0x13, KEY_ANGLE }, /* Aspect */
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{ 0xfe, 0x03, KEY_0 },
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{ 0xfe, 0x1f, KEY_ZOOM },
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{ 0xfe, 0x43, KEY_REWIND },
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{ 0xfe, 0x47, KEY_PLAYPAUSE },
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{ 0xfe, 0x4f, KEY_FASTFORWARD },
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{ 0xfe, 0x57, KEY_MUTE },
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{ 0xfe, 0x0d, KEY_STOP },
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{ 0xfe, 0x01, KEY_RECORD },
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{ 0xfe, 0x4e, KEY_POWER },
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};
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static int cxusb_dee1601_demod_init(struct dvb_frontend* fe)
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{
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static u8 clock_config [] = { CLOCK_CTL, 0x38, 0x38 };
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static u8 reset [] = { RESET, 0x80 };
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static u8 adc_ctl_1_cfg [] = { ADC_CTL_1, 0x40 };
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static u8 agc_cfg [] = { AGC_TARGET, 0x28, 0x20 };
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static u8 gpp_ctl_cfg [] = { GPP_CTL, 0x33 };
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static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 };
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mt352_write(fe, clock_config, sizeof(clock_config));
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udelay(200);
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mt352_write(fe, reset, sizeof(reset));
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mt352_write(fe, adc_ctl_1_cfg, sizeof(adc_ctl_1_cfg));
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mt352_write(fe, agc_cfg, sizeof(agc_cfg));
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mt352_write(fe, gpp_ctl_cfg, sizeof(gpp_ctl_cfg));
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mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
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return 0;
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}
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struct cx22702_config cxusb_cx22702_config = {
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.demod_address = 0x63,
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.output_mode = CX22702_PARALLEL_OUTPUT,
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.pll_init = dvb_usb_pll_init_i2c,
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.pll_set = dvb_usb_pll_set_i2c,
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};
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struct lgdt330x_config cxusb_lgdt330x_config = {
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.demod_address = 0x0e,
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.demod_chip = LGDT3303,
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.pll_set = dvb_usb_pll_set_i2c,
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};
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struct mt352_config cxusb_dee1601_config = {
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.demod_address = 0x0f,
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.demod_init = cxusb_dee1601_demod_init,
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.pll_set = dvb_usb_pll_set,
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};
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/* Callbacks for DVB USB */
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static int cxusb_fmd1216me_tuner_attach(struct dvb_usb_device *d)
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{
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u8 bpll[4] = { 0x0b, 0xdc, 0x9c, 0xa0 };
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d->pll_addr = 0x61;
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memcpy(d->pll_init, bpll, 4);
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d->pll_desc = &dvb_pll_fmd1216me;
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return 0;
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}
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static int cxusb_lgh064f_tuner_attach(struct dvb_usb_device *d)
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{
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u8 bpll[4] = { 0x00, 0x00, 0x18, 0x50 };
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/* bpll[2] : unset bit 3, set bits 4&5
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bpll[3] : 0x50 - digital, 0x20 - analog */
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d->pll_addr = 0x61;
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memcpy(d->pll_init, bpll, 4);
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d->pll_desc = &dvb_pll_tdvs_tua6034;
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return 0;
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}
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static int cxusb_dee1601_tuner_attach(struct dvb_usb_device *d)
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{
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d->pll_addr = 0x61;
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d->pll_desc = &dvb_pll_thomson_dtt7579;
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return 0;
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}
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static int cxusb_cx22702_frontend_attach(struct dvb_usb_device *d)
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{
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u8 b;
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if (usb_set_interface(d->udev,0,6) < 0)
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err("set interface failed");
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cxusb_ctrl_msg(d,CMD_DIGITAL, NULL, 0, &b, 1);
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if ((d->fe = cx22702_attach(&cxusb_cx22702_config, &d->i2c_adap)) != NULL)
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return 0;
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return -EIO;
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}
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static int cxusb_lgdt330x_frontend_attach(struct dvb_usb_device *d)
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{
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if (usb_set_interface(d->udev,0,7) < 0)
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err("set interface failed");
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cxusb_ctrl_msg(d,CMD_DIGITAL, NULL, 0, NULL, 0);
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if ((d->fe = lgdt330x_attach(&cxusb_lgdt330x_config, &d->i2c_adap)) != NULL)
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return 0;
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return -EIO;
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}
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static int cxusb_dee1601_frontend_attach(struct dvb_usb_device *d)
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{
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if (usb_set_interface(d->udev,0,0) < 0)
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err("set interface failed");
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cxusb_ctrl_msg(d,CMD_DIGITAL, NULL, 0, NULL, 0);
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if ((d->fe = mt352_attach(&cxusb_dee1601_config, &d->i2c_adap)) != NULL)
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return 0;
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return -EIO;
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}
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/*
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* DViCO bluebird firmware needs the "warm" product ID to be patched into the
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* firmware file before download.
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*/
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#define BLUEBIRD_01_ID_OFFSET 6638
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static int bluebird_patch_dvico_firmware_download(struct usb_device *udev, const struct firmware *fw)
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{
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if (fw->size < BLUEBIRD_01_ID_OFFSET + 4)
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return -EINVAL;
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if (fw->data[BLUEBIRD_01_ID_OFFSET] == (USB_VID_DVICO & 0xff) &&
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fw->data[BLUEBIRD_01_ID_OFFSET + 1] == USB_VID_DVICO >> 8) {
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/* FIXME: are we allowed to change the fw-data ? */
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fw->data[BLUEBIRD_01_ID_OFFSET + 2] = udev->descriptor.idProduct + 1;
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fw->data[BLUEBIRD_01_ID_OFFSET + 3] = udev->descriptor.idProduct >> 8;
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return usb_cypress_load_firmware(udev,fw,CYPRESS_FX2);
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}
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return -EINVAL;
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}
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/* DVB USB Driver stuff */
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static struct dvb_usb_properties cxusb_medion_properties;
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static struct dvb_usb_properties cxusb_bluebird_lgh064f_properties;
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static struct dvb_usb_properties cxusb_bluebird_dee1601_properties;
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static int cxusb_probe(struct usb_interface *intf,
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const struct usb_device_id *id)
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{
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if (dvb_usb_device_init(intf,&cxusb_medion_properties,THIS_MODULE,NULL) == 0 ||
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dvb_usb_device_init(intf,&cxusb_bluebird_lgh064f_properties,THIS_MODULE,NULL) == 0 ||
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dvb_usb_device_init(intf,&cxusb_bluebird_dee1601_properties,THIS_MODULE,NULL) == 0) {
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return 0;
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}
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return -EINVAL;
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}
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static struct usb_device_id cxusb_table [] = {
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{ USB_DEVICE(USB_VID_MEDION, USB_PID_MEDION_MD95700) },
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{ USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_LG064F_COLD) },
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{ USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_LG064F_WARM) },
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{ USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_DEE1601_COLD) },
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{ USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_DEE1601_WARM) },
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{} /* Terminating entry */
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};
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MODULE_DEVICE_TABLE (usb, cxusb_table);
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static struct dvb_usb_properties cxusb_medion_properties = {
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.caps = DVB_USB_IS_AN_I2C_ADAPTER,
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.usb_ctrl = CYPRESS_FX2,
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.size_of_priv = sizeof(struct cxusb_state),
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.streaming_ctrl = cxusb_streaming_ctrl,
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.power_ctrl = cxusb_power_ctrl,
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.frontend_attach = cxusb_cx22702_frontend_attach,
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.tuner_attach = cxusb_fmd1216me_tuner_attach,
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.i2c_algo = &cxusb_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 = 5,
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.endpoint = 0x02,
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.u = {
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.bulk = {
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.buffersize = 8192,
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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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{ "Medion MD95700 (MDUSBTV-HYBRID)",
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{ NULL },
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{ &cxusb_table[0], NULL },
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},
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}
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};
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static struct dvb_usb_properties cxusb_bluebird_lgh064f_properties = {
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.caps = DVB_USB_IS_AN_I2C_ADAPTER,
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.usb_ctrl = DEVICE_SPECIFIC,
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.firmware = "dvb-usb-bluebird-01.fw",
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.download_firmware = bluebird_patch_dvico_firmware_download,
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/* use usb alt setting 0 for EP4 transfer (dvb-t),
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use usb alt setting 7 for EP2 transfer (atsc) */
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.size_of_priv = sizeof(struct cxusb_state),
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.streaming_ctrl = cxusb_streaming_ctrl,
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.power_ctrl = cxusb_power_ctrl,
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.frontend_attach = cxusb_lgdt330x_frontend_attach,
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.tuner_attach = cxusb_lgh064f_tuner_attach,
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.i2c_algo = &cxusb_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 = {
|
|
.type = DVB_USB_BULK,
|
|
.count = 5,
|
|
.endpoint = 0x02,
|
|
.u = {
|
|
.bulk = {
|
|
.buffersize = 8192,
|
|
}
|
|
}
|
|
},
|
|
|
|
.num_device_descs = 1,
|
|
.devices = {
|
|
{ "DViCO FusionHDTV5 USB Gold",
|
|
{ &cxusb_table[1], NULL },
|
|
{ &cxusb_table[2], NULL },
|
|
},
|
|
}
|
|
};
|
|
|
|
static struct dvb_usb_properties cxusb_bluebird_dee1601_properties = {
|
|
.caps = DVB_USB_IS_AN_I2C_ADAPTER,
|
|
|
|
.usb_ctrl = DEVICE_SPECIFIC,
|
|
.firmware = "dvb-usb-bluebird-01.fw",
|
|
.download_firmware = bluebird_patch_dvico_firmware_download,
|
|
/* use usb alt setting 0 for EP4 transfer (dvb-t),
|
|
use usb alt setting 7 for EP2 transfer (atsc) */
|
|
|
|
.size_of_priv = sizeof(struct cxusb_state),
|
|
|
|
.streaming_ctrl = cxusb_streaming_ctrl,
|
|
.power_ctrl = cxusb_power_ctrl,
|
|
.frontend_attach = cxusb_dee1601_frontend_attach,
|
|
.tuner_attach = cxusb_dee1601_tuner_attach,
|
|
|
|
.i2c_algo = &cxusb_i2c_algo,
|
|
|
|
.rc_interval = 150,
|
|
.rc_key_map = dvico_mce_rc_keys,
|
|
.rc_key_map_size = ARRAY_SIZE(dvico_mce_rc_keys),
|
|
.rc_query = cxusb_rc_query,
|
|
|
|
.generic_bulk_ctrl_endpoint = 0x01,
|
|
/* parameter for the MPEG2-data transfer */
|
|
.urb = {
|
|
.type = DVB_USB_BULK,
|
|
.count = 5,
|
|
.endpoint = 0x04,
|
|
.u = {
|
|
.bulk = {
|
|
.buffersize = 8192,
|
|
}
|
|
}
|
|
},
|
|
|
|
.num_device_descs = 1,
|
|
.devices = {
|
|
{ "DViCO FusionHDTV DVB-T Dual USB",
|
|
{ &cxusb_table[3], NULL },
|
|
{ &cxusb_table[4], NULL },
|
|
},
|
|
}
|
|
};
|
|
|
|
static struct usb_driver cxusb_driver = {
|
|
.name = "dvb_usb_cxusb",
|
|
.probe = cxusb_probe,
|
|
.disconnect = dvb_usb_device_exit,
|
|
.id_table = cxusb_table,
|
|
};
|
|
|
|
/* module stuff */
|
|
static int __init cxusb_module_init(void)
|
|
{
|
|
int result;
|
|
if ((result = usb_register(&cxusb_driver))) {
|
|
err("usb_register failed. Error number %d",result);
|
|
return result;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void __exit cxusb_module_exit(void)
|
|
{
|
|
/* deregister this driver from the USB subsystem */
|
|
usb_deregister(&cxusb_driver);
|
|
}
|
|
|
|
module_init (cxusb_module_init);
|
|
module_exit (cxusb_module_exit);
|
|
|
|
MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
|
|
MODULE_DESCRIPTION("Driver for Conexant USB2.0 hybrid reference design");
|
|
MODULE_VERSION("1.0-alpha");
|
|
MODULE_LICENSE("GPL");
|