Commit b7f54910 authored by Patrick Boettcher's avatar Patrick Boettcher Committed by Mauro Carvalho Chehab

V4L/DVB (4647): Added module for DiB0700 based devices

Added module for DiB0700 based USB devices. This module is preliminary and
untested (because of a lack of test devices) but should work.
Further commits will be necessary to make it work properly.
Signed-off-by: default avatarPatrick Boettcher <pb@linuxtv.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent 136cafbf
/* Linux driver for devices based on the DiBcom DiB0700 USB bridge
*
* 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.
*
* Copyright (C) 2005-6 DiBcom, SA
*/
#ifndef _DIB0700_H_
#define _DIB0700_H_
#define DVB_USB_LOG_PREFIX "dib0700"
#include "dvb-usb.h"
#include "dib07x0.h"
extern int dvb_usb_dib0700_debug;
#define deb_info(args...) dprintk(dvb_usb_dib0700_debug,0x01,args)
#define deb_fw(args...) dprintk(dvb_usb_dib0700_debug,0x02,args)
#define deb_fwdata(args...) dprintk(dvb_usb_dib0700_debug,0x04,args)
#define deb_data(args...) dprintk(dvb_usb_dib0700_debug,0x08,args)
#define REQUEST_I2C_READ 0x2
#define REQUEST_I2C_WRITE 0x3
#define REQUEST_POLL_RC 0x4
#define REQUEST_JUMPRAM 0x8
#define REQUEST_SET_GPIO 0xC
#define REQUEST_ENABLE_VIDEO 0xF
// 1 Byte: 4MSB(1 = enable streaming, 0 = disable streaming) 4LSB(Video Mode: 0 = MPEG2 188Bytes, 1 = Analog)
// 2 Byte: MPEG2 mode: 4MSB(1 = Master Mode, 0 = Slave Mode) 4LSB(Channel 1 = bit0, Channel 2 = bit1)
// 2 Byte: Analog mode: 4MSB(0 = 625 lines, 1 = 525 lines) 4LSB( " " )
struct dib0700_state {
u8 channel_state;
u8 mt2060_if1[2];
};
extern int dib0700_set_gpio(struct dvb_usb_device *, enum dib07x0_gpios gpio, u8 gpio_dir, u8 gpio_val);
extern int dib0700_download_firmware(struct usb_device *udev, const struct firmware *fw);
extern int dib0700_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff);
extern struct i2c_algorithm dib0700_i2c_algo;
extern int dib0700_device_count;
extern struct dvb_usb_device_properties dib0700_devices[];
extern struct usb_device_id dib0700_usb_id_table[];
#endif
/* Linux driver for devices based on the DiBcom DiB0700 USB bridge
*
* 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.
*
* Copyright (C) 2005-6 DiBcom, SA
*/
#include "dib0700.h"
/* debug */
int dvb_usb_dib0700_debug;
module_param_named(debug,dvb_usb_dib0700_debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging level (1=info,2=fw,4=fwdata,8=data (or-able))." DVB_USB_DEBUG_STATUS);
/* expecting rx buffer: request data[0] data[1] ... data[2] */
static int dib0700_ctrl_wr(struct dvb_usb_device *d, u8 *tx, u8 txlen)
{
int status;
deb_data(">>> ");
debug_dump(tx,txlen,deb_data);
status = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev,0),
tx[0], USB_TYPE_VENDOR | USB_DIR_OUT, 0, 0, tx, txlen,
USB_CTRL_GET_TIMEOUT);
if (status != txlen)
err("ep 0 write error (status = %d, len: %d)",status,txlen);
return status < 0 ? status : 0;
}
/* expecting tx buffer: request data[0] ... data[n] (n <= 4) */
static int dib0700_ctrl_rd(struct dvb_usb_device *d, u8 *tx, u8 txlen, u8 *rx, u8 rxlen)
{
u16 index, value;
int status;
if (txlen < 2) {
err("tx buffer length is smaller than 2. Makes no sense.");
return -EINVAL;
}
if (txlen > 4) {
err("tx buffer length is larger than 4. Not supported.");
return -EINVAL;
}
deb_data(">>> ");
debug_dump(tx,txlen,deb_data);
value = ((txlen - 2) << 8) | tx[1];
index = 0;
if (txlen > 2)
index |= (tx[2] << 8);
if (txlen > 3)
index |= tx[3];
/* think about swapping here */
value = le16_to_cpu(value);
index = le16_to_cpu(index);
status = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev,0), tx[0],
USB_TYPE_VENDOR | USB_DIR_IN, value, index, rx, rxlen,
USB_CTRL_GET_TIMEOUT);
if (status < 0)
err("ep 0 read error (status = %d)",status);
deb_data("<<< ");
debug_dump(rx,rxlen,deb_data);
return status; /* length in case of success */
}
int dib0700_set_gpio(struct dvb_usb_device *d, enum dib07x0_gpios gpio, u8 gpio_dir, u8 gpio_val)
{
u8 buf[3] = { REQUEST_SET_GPIO, gpio, ((gpio_dir & 0x01) << 7) | ((gpio_val & 0x01) << 6) };
return dib0700_ctrl_wr(d,buf,3);
}
/*
* I2C master xfer function
*/
static int dib0700_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg *msg,int num)
{
struct dvb_usb_device *d = i2c_get_adapdata(adap);
int i,len;
u8 buf[255];
if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
return -EAGAIN;
for (i = 0; i < num; i++) {
/* fill in the address */
buf[1] = (msg[i].addr << 1);
/* fill the buffer */
memcpy(&buf[2], msg[i].buf, msg[i].len);
/* write/read request */
if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
buf[0] = REQUEST_I2C_READ;
buf[1] |= 1;
/* special thing in the current firmware: when length is zero the read-failed */
if ((len = dib0700_ctrl_rd(d, buf, msg[i].len + 2, msg[i+1].buf, msg[i+1].len)) <= 0)
break;
msg[i+1].len = len;
i++;
} else {
buf[0] = REQUEST_I2C_WRITE;
if (dib0700_ctrl_wr(d, buf, msg[i].len + 2) < 0)
break;
}
}
mutex_unlock(&d->i2c_mutex);
return i;
}
static u32 dib0700_i2c_func(struct i2c_adapter *adapter)
{
return I2C_FUNC_I2C;
}
struct i2c_algorithm dib0700_i2c_algo = {
.master_xfer = dib0700_i2c_xfer,
.functionality = dib0700_i2c_func,
};
static int dib0700_jumpram(struct usb_device *udev, u32 address)
{
int ret, actlen;
u8 buf[8] = { REQUEST_JUMPRAM, 0, 0, 0,
(address >> 24) & 0xff,
(address >> 16) & 0xff,
(address >> 8) & 0xff,
address & 0xff };
if ((ret = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 0x01),buf,8,&actlen,1000)) < 0) {
deb_fw("jumpram to 0x%x failed\n",address);
return ret;
}
if (actlen != 8) {
deb_fw("jumpram to 0x%x failed\n",address);
return -EIO;
}
return 0;
}
int dib0700_download_firmware(struct usb_device *udev, const struct firmware *fw)
{
struct hexline hx;
int pos = 0, ret, act_len;
u8 buf[260];
while ((ret = dvb_usb_get_hexline(fw, &hx, &pos)) > 0) {
deb_fwdata("writing to address 0x%04x (buffer: 0x%02x %02x)\n",hx.addr, hx.len, hx.chk);
buf[0] = hx.len;
buf[1] = hx.addr >> 8;
buf[2] = hx.addr & 0xff;
buf[3] = hx.type;
memcpy(&buf[4],hx.data,hx.len);
buf[4+hx.len] = hx.chk;
ret = usb_bulk_msg(udev,
usb_sndbulkpipe(udev, 0x01),
buf,
hx.len + 5,
&act_len,
1000);
if (ret < 0) {
err("firmware download failed at %d with %d",pos,ret);
return ret;
}
}
if (ret == 0) {
/* start the firmware */
if ((ret = dib0700_jumpram(udev,0x70000000)) == 0)
info("firmware started successfully.");
} else
ret = -EIO;
return ret;
}
int dib0700_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
{
struct dib0700_state *st = adap->dev->priv;
u8 b[4];
b[0] = REQUEST_ENABLE_VIDEO;
b[1] = 0x00;
b[2] = (0x01 << 4); /* Master mode */
b[3] = 0x00;
deb_info("modifying (%d) streaming state for %d\n", onoff, adap->id);
if (onoff)
st->channel_state |= 1 << adap->id;
else
st->channel_state &= ~(1 << adap->id);
b[2] |= st->channel_state;
if (st->channel_state) /* if at least one channel is active */
b[1] = (0x01 << 4) | 0x00;
deb_info("data for streaming: %x %x\n",b[1],b[2]);
return dib0700_ctrl_wr(adap->dev, b, 4);
}
static int dib0700_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
int i;
for (i = 0; i < dib0700_device_count; i++)
if (dvb_usb_device_init(intf, &dib0700_devices[i], THIS_MODULE, NULL) == 0)
return 0;
return -ENODEV;
}
static struct usb_driver dib0700_driver = {
.name = "dvb_usb_dib0700",
.probe = dib0700_probe,
.disconnect = dvb_usb_device_exit,
.id_table = dib0700_usb_id_table,
};
/* module stuff */
static int __init dib0700_module_init(void)
{
int result;
info("loaded with support for %d different device-types", dib0700_device_count);
if ((result = usb_register(&dib0700_driver))) {
err("usb_register failed. Error number %d",result);
return result;
}
return 0;
}
static void __exit dib0700_module_exit(void)
{
/* deregister this driver from the USB subsystem */
usb_deregister(&dib0700_driver);
}
module_init (dib0700_module_init);
module_exit (dib0700_module_exit);
MODULE_AUTHOR("Patrick Boettcher <pboettcher@dibcom.fr>");
MODULE_DESCRIPTION("Driver for devices based on DiBcom DiB0700 - USB bridge");
MODULE_VERSION("1.0");
MODULE_LICENSE("GPL");
/* Linux driver for devices based on the DiBcom DiB0700 USB bridge
*
* 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.
*
* Copyright (C) 2005-6 DiBcom, SA
*/
#include "dib0700.h"
#include "dib3000mc.h"
#include "dib7000m.h"
#include "mt2060.h"
/* Hauppauge Nova-T 500
* has a LNA on GPIO0 which is enabled by setting 1 */
static struct mt2060_config bristol_mt2060_config[2] = {
{
.i2c_address = 0x60,
.clock_out = 1,
}, {
.i2c_address = 0x61,
}
};
static struct dibx000_agc_config bristol_dib3000p_mt2060_agc_config = {
.band_caps = BAND_VHF | BAND_UHF,
.setup = (0 << 15) | (0 << 14) | (1 << 13) | (1 << 12) | (29 << 0),
.agc1_max = 48497,
.agc1_min = 23593,
.agc2_max = 46531,
.agc2_min = 24904,
.agc1_pt1 = 0x65,
.agc1_pt2 = 0x69,
.agc1_slope1 = 0x51,
.agc1_slope2 = 0x27,
.agc2_pt1 = 0,
.agc2_pt2 = 0x33,
.agc2_slope1 = 0x35,
.agc2_slope2 = 0x37,
};
static struct dib3000mc_config bristol_dib3000mc_config[2] = {
{ .agc = &bristol_dib3000p_mt2060_agc_config,
.max_time = 0x196,
.ln_adc_level = 0x1cc7,
.output_mpeg2_in_188_bytes = 1,
},
{ .agc = &bristol_dib3000p_mt2060_agc_config,
.max_time = 0x196,
.ln_adc_level = 0x1cc7,
.output_mpeg2_in_188_bytes = 1,
}
};
static int bristol_frontend_attach(struct dvb_usb_adapter *adap)
{
if (adap->id == 0) {
dib0700_set_gpio(adap->dev, GPIO6, GPIO_OUT, 0); msleep(10);
dib0700_set_gpio(adap->dev, GPIO6, GPIO_OUT, 1); msleep(10);
dib0700_set_gpio(adap->dev, GPIO10, GPIO_OUT, 0); msleep(10);
dib0700_set_gpio(adap->dev, GPIO10, GPIO_OUT, 1); msleep(10);
if (dib3000mc_i2c_enumeration(&adap->dev->i2c_adap, 2, DEFAULT_DIB3000P_I2C_ADDRESS, bristol_dib3000mc_config) != 0) {
dib0700_set_gpio(adap->dev, GPIO6, GPIO_OUT, 0); msleep(10);
return -ENODEV;
}
}
return (adap->fe = dvb_attach(dib3000mc_attach, &adap->dev->i2c_adap, 10 + adap->id, &bristol_dib3000mc_config[adap->id])) == NULL ? -ENODEV : 0;
}
static int bristol_tuner_attach(struct dvb_usb_adapter *adap)
{
struct dib0700_state *st = adap->dev->priv;
struct i2c_adapter *tun_i2c = dib3000mc_get_tuner_i2c_master(adap->fe, 1);
return mt2060_attach(adap->fe, tun_i2c, &bristol_mt2060_config[adap->id], st->mt2060_if1[adap->id]);
}
/* STK7700P: Hauppauge Nova-T Stick, AVerMedia Volar */
static struct mt2060_config stk7000p_mt2060_config = {
0x60
};
static int stk7700p_frontend_attach(struct dvb_usb_adapter *adap)
{
/* unless there is no real power management in DVB - we leave the device on GPIO6 */
dib0700_set_gpio(adap->dev, GPIO6, GPIO_OUT, 0); msleep(10);
dib0700_set_gpio(adap->dev, GPIO6, GPIO_OUT, 1); msleep(10);
dib0700_set_gpio(adap->dev, GPIO10, GPIO_OUT, 1); msleep(10);
dib0700_set_gpio(adap->dev, GPIO10, GPIO_OUT, 0); msleep(10);
// adap->fe = dib7000m_attach(&adap->dev->i2c_adap, &stk7700p_dib7000m_config, 18);
return 0;
}
static int stk7700p_tuner_attach(struct dvb_usb_adapter *adap)
{
// tun_i2c = dib7000m_get_tuner_i2c_master(adap->fe, 1);
// return mt2060_attach(adap->fe, tun_i2c, &stk3000p_mt2060_config, if1);
return 0;
}
struct usb_device_id dib0700_usb_id_table[] = {
{ USB_DEVICE(USB_VID_DIBCOM, USB_PID_DIBCOM_STK7700P) },
{ USB_DEVICE(USB_VID_HAUPPAUGE, USB_PID_HAUPPAUGE_NOVA_T_500) },
{ USB_DEVICE(USB_VID_HAUPPAUGE, USB_PID_HAUPPAUGE_NOVA_T_STICK) },
{ USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_VOLAR) },
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, dib0700_usb_id_table);
#define DIB0700_DEFAULT_DEVICE_PROPERTIES \
.caps = DVB_USB_IS_AN_I2C_ADAPTER, \
.usb_ctrl = DEVICE_SPECIFIC, \
.firmware = "dvb-usb-dib0700-01.fw", \
.download_firmware = dib0700_download_firmware, \
.size_of_priv = sizeof(struct dib0700_state), \
.i2c_algo = &dib0700_i2c_algo
#define DIB0700_DEFAULT_STREAMING_CONFIG(ep) \
.streaming_ctrl = dib0700_streaming_ctrl, \
.stream = { \
.type = USB_BULK, \
.count = 4, \
.endpoint = ep, \
.u = { \
.bulk = { \
.buffersize = 39480, \
} \
} \
}
struct dvb_usb_device_properties dib0700_devices[] = {
{
DIB0700_DEFAULT_DEVICE_PROPERTIES,
.num_adapters = 1,
.adapter = {
{
.frontend_attach = stk7700p_frontend_attach,
.tuner_attach = stk7700p_tuner_attach,
DIB0700_DEFAULT_STREAMING_CONFIG(0x02),
},
},
.num_device_descs = 3,
.devices = {
{ "DiBcom STK7700P reference design",
{ &dib0700_usb_id_table[0], NULL },
{ NULL },
},
{ "Hauppauge Nova-T Stick",
{ &dib0700_usb_id_table[2], NULL },
{ NULL },
},
{ "AVerMedia AVerTV DVB-T Volar",
{ &dib0700_usb_id_table[3], NULL },
{ NULL },
},
}
}, { DIB0700_DEFAULT_DEVICE_PROPERTIES,
.num_adapters = 2,
.adapter = {
{
.frontend_attach = bristol_frontend_attach,
.tuner_attach = bristol_tuner_attach,
DIB0700_DEFAULT_STREAMING_CONFIG(0x02),
}, {
.frontend_attach = bristol_frontend_attach,
.tuner_attach = bristol_tuner_attach,
DIB0700_DEFAULT_STREAMING_CONFIG(0x03),
}
},
.num_device_descs = 1,
.devices = {
{ "Hauppauge Nova-T 500 Dual DVB-T",
{ &dib0700_usb_id_table[1], NULL },
{ NULL },
},
}
}
};
int dib0700_device_count = ARRAY_SIZE(dib0700_devices);
#ifndef _DIB07X0_H_
#define _DIB07X0_H_
enum dib07x0_gpios {
GPIO0 = 0,
GPIO1 = 2,
GPIO2 = 3,
GPIO3 = 4,
GPIO4 = 5,
GPIO5 = 6,
GPIO6 = 8,
GPIO7 = 10,
GPIO8 = 11,
GPIO9 = 14,
GPIO10 = 15,
};
#define GPIO_IN 0
#define GPIO_OUT 1
#endif
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