diff options
Diffstat (limited to 'drivers/media/dvb/dvb-usb/technisat-usb2.c')
| -rw-r--r-- | drivers/media/dvb/dvb-usb/technisat-usb2.c | 807 |
1 files changed, 807 insertions, 0 deletions
diff --git a/drivers/media/dvb/dvb-usb/technisat-usb2.c b/drivers/media/dvb/dvb-usb/technisat-usb2.c new file mode 100644 index 000000000000..08f8842ad280 --- /dev/null +++ b/drivers/media/dvb/dvb-usb/technisat-usb2.c @@ -0,0 +1,807 @@ +/* + * Linux driver for Technisat DVB-S/S2 USB 2.0 device + * + * Copyright (C) 2010 Patrick Boettcher, + * Kernel Labs Inc. PO Box 745, St James, NY 11780 + * + * Development was sponsored by Technisat Digital UK Limited, whose + * registered office is Witan Gate House 500 - 600 Witan Gate West, + * Milton Keynes, MK9 1SH + * + * 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; either version 2 of the + * License, or (at your option) any later version. + * + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * THIS PROGRAM IS PROVIDED "AS IS" AND BOTH THE COPYRIGHT HOLDER AND + * TECHNISAT DIGITAL UK LTD DISCLAIM ALL WARRANTIES WITH REGARD TO + * THIS PROGRAM INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR + * FITNESS FOR A PARTICULAR PURPOSE. NEITHER THE COPYRIGHT HOLDER + * NOR TECHNISAT DIGITAL UK LIMITED SHALL BE LIABLE FOR ANY SPECIAL, + * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS PROGRAM. See the + * GNU General Public License for more details. + */ + +#define DVB_USB_LOG_PREFIX "technisat-usb2" +#include "dvb-usb.h" + +#include "stv6110x.h" +#include "stv090x.h" + +/* module parameters */ +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); + +static int debug; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, + "set debugging level (bit-mask: 1=info,2=eeprom,4=i2c,8=rc)." \ + DVB_USB_DEBUG_STATUS); + +/* disables all LED control command and + * also does not start the signal polling thread */ +static int disable_led_control; +module_param(disable_led_control, int, 0444); +MODULE_PARM_DESC(disable_led_control, + "disable LED control of the device " + "(default: 0 - LED control is active)."); + +/* device private data */ +struct technisat_usb2_state { + struct dvb_usb_device *dev; + struct delayed_work green_led_work; + u8 power_state; + + u16 last_scan_code; +}; + +/* debug print helpers */ +#define deb_info(args...) dprintk(debug, 0x01, args) +#define deb_eeprom(args...) dprintk(debug, 0x02, args) +#define deb_i2c(args...) dprintk(debug, 0x04, args) +#define deb_rc(args...) dprintk(debug, 0x08, args) + +/* vendor requests */ +#define SET_IFCLK_TO_EXTERNAL_TSCLK_VENDOR_REQUEST 0xB3 +#define SET_FRONT_END_RESET_VENDOR_REQUEST 0xB4 +#define GET_VERSION_INFO_VENDOR_REQUEST 0xB5 +#define SET_GREEN_LED_VENDOR_REQUEST 0xB6 +#define SET_RED_LED_VENDOR_REQUEST 0xB7 +#define GET_IR_DATA_VENDOR_REQUEST 0xB8 +#define SET_LED_TIMER_DIVIDER_VENDOR_REQUEST 0xB9 +#define SET_USB_REENUMERATION 0xBA + +/* i2c-access methods */ +#define I2C_SPEED_100KHZ_BIT 0x40 + +#define I2C_STATUS_NAK 7 +#define I2C_STATUS_OK 8 + +static int technisat_usb2_i2c_access(struct usb_device *udev, + u8 device_addr, u8 *tx, u8 txlen, u8 *rx, u8 rxlen) +{ + u8 b[64]; + int ret, actual_length; + + deb_i2c("i2c-access: %02x, tx: ", device_addr); + debug_dump(tx, txlen, deb_i2c); + deb_i2c(" "); + + if (txlen > 62) { + err("i2c TX buffer can't exceed 62 bytes (dev 0x%02x)", + device_addr); + txlen = 62; + } + if (rxlen > 62) { + err("i2c RX buffer can't exceed 62 bytes (dev 0x%02x)", + device_addr); + txlen = 62; + } + + b[0] = I2C_SPEED_100KHZ_BIT; + b[1] = device_addr << 1; + + if (rx != NULL) { + b[0] |= rxlen; + b[1] |= 1; + } + + memcpy(&b[2], tx, txlen); + ret = usb_bulk_msg(udev, + usb_sndbulkpipe(udev, 0x01), + b, 2 + txlen, + NULL, 1000); + + if (ret < 0) { + err("i2c-error: out failed %02x = %d", device_addr, ret); + return -ENODEV; + } + + ret = usb_bulk_msg(udev, + usb_rcvbulkpipe(udev, 0x01), + b, 64, &actual_length, 1000); + if (ret < 0) { + err("i2c-error: in failed %02x = %d", device_addr, ret); + return -ENODEV; + } + + if (b[0] != I2C_STATUS_OK) { + err("i2c-error: %02x = %d", device_addr, b[0]); + /* handle tuner-i2c-nak */ + if (!(b[0] == I2C_STATUS_NAK && + device_addr == 0x60 + /* && device_is_technisat_usb2 */)) + return -ENODEV; + } + + deb_i2c("status: %d, ", b[0]); + + if (rx != NULL) { + memcpy(rx, &b[2], rxlen); + + deb_i2c("rx (%d): ", rxlen); + debug_dump(rx, rxlen, deb_i2c); + } + + deb_i2c("\n"); + + return 0; +} + +static int technisat_usb2_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msg, + int num) +{ + int ret = 0, i; + struct dvb_usb_device *d = i2c_get_adapdata(adap); + + /* Ensure nobody else hits the i2c bus while we're sending our + sequence of messages, (such as the remote control thread) */ + if (mutex_lock_interruptible(&d->i2c_mutex) < 0) + return -EAGAIN; + + for (i = 0; i < num; i++) { + if (i+1 < num && msg[i+1].flags & I2C_M_RD) { + ret = technisat_usb2_i2c_access(d->udev, msg[i+1].addr, + msg[i].buf, msg[i].len, + msg[i+1].buf, msg[i+1].len); + if (ret != 0) + break; + i++; + } else { + ret = technisat_usb2_i2c_access(d->udev, msg[i].addr, + msg[i].buf, msg[i].len, + NULL, 0); + if (ret != 0) + break; + } + } + + if (ret == 0) + ret = i; + + mutex_unlock(&d->i2c_mutex); + + return ret; +} + +static u32 technisat_usb2_i2c_func(struct i2c_adapter *adapter) +{ + return I2C_FUNC_I2C; +} + +static struct i2c_algorithm technisat_usb2_i2c_algo = { + .master_xfer = technisat_usb2_i2c_xfer, + .functionality = technisat_usb2_i2c_func, +}; + +#if 0 +static void technisat_usb2_frontend_reset(struct usb_device *udev) +{ + usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + SET_FRONT_END_RESET_VENDOR_REQUEST, + USB_TYPE_VENDOR | USB_DIR_OUT, + 10, 0, + NULL, 0, 500); +} +#endif + +/* LED control */ +enum technisat_usb2_led_state { + LED_OFF, + LED_BLINK, + LED_ON, + LED_UNDEFINED +}; + +static int technisat_usb2_set_led(struct dvb_usb_device *d, int red, enum technisat_usb2_led_state state) +{ + int ret; + + u8 led[8] = { + red ? SET_RED_LED_VENDOR_REQUEST : SET_GREEN_LED_VENDOR_REQUEST, + 0 + }; + + if (disable_led_control && state != LED_OFF) + return 0; + + switch (state) { + case LED_ON: + led[1] = 0x82; + break; + case LED_BLINK: + led[1] = 0x82; + if (red) { + led[2] = 0x02; + led[3] = 10; + led[4] = 10; + } else { + led[2] = 0xff; + led[3] = 50; + led[4] = 50; + } + led[5] = 1; + break; + + default: + case LED_OFF: + led[1] = 0x80; + break; + } + + if (mutex_lock_interruptible(&d->i2c_mutex) < 0) + return -EAGAIN; + + ret = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0), + red ? SET_RED_LED_VENDOR_REQUEST : SET_GREEN_LED_VENDOR_REQUEST, + USB_TYPE_VENDOR | USB_DIR_OUT, + 0, 0, + led, sizeof(led), 500); + + mutex_unlock(&d->i2c_mutex); + return ret; +} + +static int technisat_usb2_set_led_timer(struct dvb_usb_device *d, u8 red, u8 green) +{ + int ret; + u8 b = 0; + + if (mutex_lock_interruptible(&d->i2c_mutex) < 0) + return -EAGAIN; + + ret = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0), + SET_LED_TIMER_DIVIDER_VENDOR_REQUEST, + USB_TYPE_VENDOR | USB_DIR_OUT, + (red << 8) | green, 0, + &b, 1, 500); + + mutex_unlock(&d->i2c_mutex); + + return ret; +} + +static void technisat_usb2_green_led_control(struct work_struct *work) +{ + struct technisat_usb2_state *state = + container_of(work, struct technisat_usb2_state, green_led_work.work); + struct dvb_frontend *fe = state->dev->adapter[0].fe; + + if (state->power_state == 0) + goto schedule; + + if (fe != NULL) { + enum fe_status status; + + if (fe->ops.read_status(fe, &status) != 0) + goto schedule; + + if (status & FE_HAS_LOCK) { + u32 ber; + + if (fe->ops.read_ber(fe, &ber) != 0) + goto schedule; + + if (ber > 1000) + technisat_usb2_set_led(state->dev, 0, LED_BLINK); + else + technisat_usb2_set_led(state->dev, 0, LED_ON); + } else + technisat_usb2_set_led(state->dev, 0, LED_OFF); + } + +schedule: + schedule_delayed_work(&state->green_led_work, + msecs_to_jiffies(500)); +} + +/* method to find out whether the firmware has to be downloaded or not */ +static int technisat_usb2_identify_state(struct usb_device *udev, + struct dvb_usb_device_properties *props, + struct dvb_usb_device_description **desc, int *cold) +{ + int ret; + u8 version[3]; + + /* first select the interface */ + if (usb_set_interface(udev, 0, 1) != 0) + err("could not set alternate setting to 0"); + else + info("set alternate setting"); + + *cold = 0; /* by default do not download a firmware - just in case something is wrong */ + + ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), + GET_VERSION_INFO_VENDOR_REQUEST, + USB_TYPE_VENDOR | USB_DIR_IN, + 0, 0, + version, sizeof(version), 500); + + if (ret < 0) + *cold = 1; + else { + info("firmware version: %d.%d", version[1], version[2]); + *cold = 0; + } + + return 0; +} + +/* power control */ +static int technisat_usb2_power_ctrl(struct dvb_usb_device *d, int level) +{ + struct technisat_usb2_state *state = d->priv; + + state->power_state = level; + + if (disable_led_control) + return 0; + + /* green led is turned off in any case - will be turned on when tuning */ + technisat_usb2_set_led(d, 0, LED_OFF); + /* red led is turned on all the time */ + technisat_usb2_set_led(d, 1, LED_ON); + return 0; +} + +/* mac address reading - from the eeprom */ +#if 0 +static void technisat_usb2_eeprom_dump(struct dvb_usb_device *d) +{ + u8 reg; + u8 b[16]; + int i, j; + + /* full EEPROM dump */ + for (j = 0; j < 256 * 4; j += 16) { + reg = j; + if (technisat_usb2_i2c_access(d->udev, 0x50 + j / 256, ®, 1, b, 16) != 0) + break; + + deb_eeprom("EEPROM: %01x%02x: ", j / 256, reg); + for (i = 0; i < 16; i++) + deb_eeprom("%02x ", b[i]); + deb_eeprom("\n"); + } +} +#endif + +static u8 technisat_usb2_calc_lrc(const u8 *b, u16 length) +{ + u8 lrc = 0; + while (--length) + lrc ^= *b++; + return lrc; +} + +static int technisat_usb2_eeprom_lrc_read(struct dvb_usb_device *d, + u16 offset, u8 *b, u16 length, u8 tries) +{ + u8 bo = offset & 0xff; + struct i2c_msg msg[] = { + { + .addr = 0x50 | ((offset >> 8) & 0x3), + .buf = &bo, + .len = 1 + }, { + .addr = 0x50 | ((offset >> 8) & 0x3), + .flags = I2C_M_RD, + .buf = b, + .len = length + } + }; + + while (tries--) { + int status; + + if (i2c_transfer(&d->i2c_adap, msg, 2) != 2) + break; + + status = + technisat_usb2_calc_lrc(b, length - 1) == b[length - 1]; + + if (status) + return 0; + } + + return -EREMOTEIO; +} + +#define EEPROM_MAC_START 0x3f8 +#define EEPROM_MAC_TOTAL 8 +static int technisat_usb2_read_mac_address(struct dvb_usb_device *d, + u8 mac[]) +{ + u8 buf[EEPROM_MAC_TOTAL]; + + if (technisat_usb2_eeprom_lrc_read(d, EEPROM_MAC_START, + buf, EEPROM_MAC_TOTAL, 4) != 0) + return -ENODEV; + + memcpy(mac, buf, 6); + return 0; +} + +/* frontend attach */ +static int technisat_usb2_set_voltage(struct dvb_frontend *fe, + fe_sec_voltage_t voltage) +{ + int i; + u8 gpio[3] = { 0 }; /* 0 = 2, 1 = 3, 2 = 4 */ + + gpio[2] = 1; /* high - voltage ? */ + + switch (voltage) { + case SEC_VOLTAGE_13: + gpio[0] = 1; + break; + case SEC_VOLTAGE_18: + gpio[0] = 1; + gpio[1] = 1; + break; + default: + case SEC_VOLTAGE_OFF: + break; + } + + for (i = 0; i < 3; i++) + if (stv090x_set_gpio(fe, i+2, 0, gpio[i], 0) != 0) + return -EREMOTEIO; + return 0; +} + +static struct stv090x_config technisat_usb2_stv090x_config = { + .device = STV0903, + .demod_mode = STV090x_SINGLE, + .clk_mode = STV090x_CLK_EXT, + + .xtal = 8000000, + .address = 0x68, + + .ts1_mode = STV090x_TSMODE_DVBCI, + .ts1_clk = 13400000, + .ts1_tei = 1, + + .repeater_level = STV090x_RPTLEVEL_64, + + .tuner_bbgain = 6, +}; + +static struct stv6110x_config technisat_usb2_stv6110x_config = { + .addr = 0x60, + .refclk = 16000000, + .clk_div = 2, +}; + +static int technisat_usb2_frontend_attach(struct dvb_usb_adapter *a) +{ + struct usb_device *udev = a->dev->udev; + int ret; + + a->fe = dvb_attach(stv090x_attach, &technisat_usb2_stv090x_config, + &a->dev->i2c_adap, STV090x_DEMODULATOR_0); + + if (a->fe) { + struct stv6110x_devctl *ctl; + + ctl = dvb_attach(stv6110x_attach, + a->fe, + &technisat_usb2_stv6110x_config, + &a->dev->i2c_adap); + + if (ctl) { + technisat_usb2_stv090x_config.tuner_init = ctl->tuner_init; + technisat_usb2_stv090x_config.tuner_sleep = ctl->tuner_sleep; + technisat_usb2_stv090x_config.tuner_set_mode = ctl->tuner_set_mode; + technisat_usb2_stv090x_config.tuner_set_frequency = ctl->tuner_set_frequency; + technisat_usb2_stv090x_config.tuner_get_frequency = ctl->tuner_get_frequency; + technisat_usb2_stv090x_config.tuner_set_bandwidth = ctl->tuner_set_bandwidth; + technisat_usb2_stv090x_config.tuner_get_bandwidth = ctl->tuner_get_bandwidth; + technisat_usb2_stv090x_config.tuner_set_bbgain = ctl->tuner_set_bbgain; + technisat_usb2_stv090x_config.tuner_get_bbgain = ctl->tuner_get_bbgain; + technisat_usb2_stv090x_config.tuner_set_refclk = ctl->tuner_set_refclk; + technisat_usb2_stv090x_config.tuner_get_status = ctl->tuner_get_status; + + /* call the init function once to initialize + tuner's clock output divider and demod's + master clock */ + if (a->fe->ops.init) + a->fe->ops.init(a->fe); + + if (mutex_lock_interruptible(&a->dev->i2c_mutex) < 0) + return -EAGAIN; + + ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + SET_IFCLK_TO_EXTERNAL_TSCLK_VENDOR_REQUEST, + USB_TYPE_VENDOR | USB_DIR_OUT, + 0, 0, + NULL, 0, 500); + mutex_unlock(&a->dev->i2c_mutex); + + if (ret != 0) + err("could not set IF_CLK to external"); + + a->fe->ops.set_voltage = technisat_usb2_set_voltage; + + /* if everything was successful assign a nice name to the frontend */ + strlcpy(a->fe->ops.info.name, a->dev->desc->name, + sizeof(a->fe->ops.info.name)); + } else { + dvb_frontend_detach(a->fe); + a->fe = NULL; + } + } + + technisat_usb2_set_led_timer(a->dev, 1, 1); + + return a->fe == NULL ? -ENODEV : 0; +} + +/* Remote control */ + +/* the device is giving providing raw IR-signals to the host mapping + * it only to one remote control is just the default implementation + */ +#define NOMINAL_IR_BIT_TRANSITION_TIME_US 889 +#define NOMINAL_IR_BIT_TIME_US (2 * NOMINAL_IR_BIT_TRANSITION_TIME_US) + +#define FIRMWARE_CLOCK_TICK 83333 +#define FIRMWARE_CLOCK_DIVISOR 256 + +#define IR_PERCENT_TOLERANCE 15 + +#define NOMINAL_IR_BIT_TRANSITION_TICKS ((NOMINAL_IR_BIT_TRANSITION_TIME_US * 1000 * 1000) / FIRMWARE_CLOCK_TICK) +#define NOMINAL_IR_BIT_TRANSITION_TICK_COUNT (NOMINAL_IR_BIT_TRANSITION_TICKS / FIRMWARE_CLOCK_DIVISOR) + +#define NOMINAL_IR_BIT_TIME_TICKS ((NOMINAL_IR_BIT_TIME_US * 1000 * 1000) / FIRMWARE_CLOCK_TICK) +#define NOMINAL_IR_BIT_TIME_TICK_COUNT (NOMINAL_IR_BIT_TIME_TICKS / FIRMWARE_CLOCK_DIVISOR) + +#define MINIMUM_IR_BIT_TRANSITION_TICK_COUNT (NOMINAL_IR_BIT_TRANSITION_TICK_COUNT - ((NOMINAL_IR_BIT_TRANSITION_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) +#define MAXIMUM_IR_BIT_TRANSITION_TICK_COUNT (NOMINAL_IR_BIT_TRANSITION_TICK_COUNT + ((NOMINAL_IR_BIT_TRANSITION_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) + +#define MINIMUM_IR_BIT_TIME_TICK_COUNT (NOMINAL_IR_BIT_TIME_TICK_COUNT - ((NOMINAL_IR_BIT_TIME_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) +#define MAXIMUM_IR_BIT_TIME_TICK_COUNT (NOMINAL_IR_BIT_TIME_TICK_COUNT + ((NOMINAL_IR_BIT_TIME_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) + +static int technisat_usb2_get_ir(struct dvb_usb_device *d) +{ + u8 buf[62], *b; + int ret; + struct ir_raw_event ev; + + buf[0] = GET_IR_DATA_VENDOR_REQUEST; + buf[1] = 0x08; + buf[2] = 0x8f; + buf[3] = MINIMUM_IR_BIT_TRANSITION_TICK_COUNT; + buf[4] = MAXIMUM_IR_BIT_TIME_TICK_COUNT; + + if (mutex_lock_interruptible(&d->i2c_mutex) < 0) + return -EAGAIN; + ret = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0), + GET_IR_DATA_VENDOR_REQUEST, + USB_TYPE_VENDOR | USB_DIR_OUT, + 0, 0, + buf, 5, 500); + if (ret < 0) + goto unlock; + + buf[1] = 0; + buf[2] = 0; + ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), + GET_IR_DATA_VENDOR_REQUEST, + USB_TYPE_VENDOR | USB_DIR_IN, + 0x8080, 0, + buf, sizeof(buf), 500); + +unlock: + mutex_unlock(&d->i2c_mutex); + + if (ret < 0) + return ret; + + if (ret == 1) + return 0; /* no key pressed */ + + /* decoding */ + b = buf+1; + +#if 0 + deb_rc("RC: %d ", ret); + debug_dump(b, ret, deb_rc); +#endif + + ev.pulse = 0; + while (1) { + ev.pulse = !ev.pulse; + ev.duration = (*b * FIRMWARE_CLOCK_DIVISOR * FIRMWARE_CLOCK_TICK) / 1000; + ir_raw_event_store(d->rc_dev, &ev); + + b++; + if (*b == 0xff) { + ev.pulse = 0; + ev.duration = 888888*2; + ir_raw_event_store(d->rc_dev, &ev); + break; + } + } + + ir_raw_event_handle(d->rc_dev); + + return 1; +} + +static int technisat_usb2_rc_query(struct dvb_usb_device *d) +{ + int ret = technisat_usb2_get_ir(d); + + if (ret < 0) + return ret; + + if (ret == 0) + return 0; + + if (!disable_led_control) + technisat_usb2_set_led(d, 1, LED_BLINK); + + return 0; +} + +/* DVB-USB and USB stuff follows */ +static struct usb_device_id technisat_usb2_id_table[] = { + { USB_DEVICE(USB_VID_TECHNISAT, USB_PID_TECHNISAT_USB2_DVB_S2) }, + { 0 } /* Terminating entry */ +}; + +/* device description */ +static struct dvb_usb_device_properties technisat_usb2_devices = { + .caps = DVB_USB_IS_AN_I2C_ADAPTER, + + .usb_ctrl = CYPRESS_FX2, + + .identify_state = technisat_usb2_identify_state, + .firmware = "dvb-usb-SkyStar_USB_HD_FW_v17_63.HEX.fw", + + .size_of_priv = sizeof(struct technisat_usb2_state), + + .i2c_algo = &technisat_usb2_i2c_algo, + + .power_ctrl = technisat_usb2_power_ctrl, + .read_mac_address = technisat_usb2_read_mac_address, + + .num_adapters = 1, + .adapter = { + { + .frontend_attach = technisat_usb2_frontend_attach, + + .stream = { + .type = USB_ISOC, + .count = 8, + .endpoint = 0x2, + .u = { + .isoc = { + .framesperurb = 32, + .framesize = 2048, + .interval = 3, + } + } + }, + + .size_of_priv = 0, + }, + }, + + .num_device_descs = 1, + .devices = { + { "Technisat SkyStar USB HD (DVB-S/S2)", + { &technisat_usb2_id_table[0], NULL }, + { NULL }, + }, + }, + + .rc.core = { + .rc_interval = 100, + .rc_codes = RC_MAP_TECHNISAT_USB2, + .module_name = "technisat-usb2", + .rc_query = technisat_usb2_rc_query, + .allowed_protos = RC_TYPE_ALL, + .driver_type = RC_DRIVER_IR_RAW, + } +}; + +static int technisat_usb2_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct dvb_usb_device *dev; + + if (dvb_usb_device_init(intf, &technisat_usb2_devices, THIS_MODULE, + &dev, adapter_nr) != 0) + return -ENODEV; + + if (dev) { + struct technisat_usb2_state *state = dev->priv; + state->dev = dev; + + if (!disable_led_control) { + INIT_DELAYED_WORK(&state->green_led_work, + technisat_usb2_green_led_control); + schedule_delayed_work(&state->green_led_work, + msecs_to_jiffies(500)); + } + } + + return 0; +} + +static void technisat_usb2_disconnect(struct usb_interface *intf) +{ + struct dvb_usb_device *dev = usb_get_intfdata(intf); + + /* work and stuff was only created when the device is is hot-state */ + if (dev != NULL) { + struct technisat_usb2_state *state = dev->priv; + if (state != NULL) { + cancel_delayed_work_sync(&state->green_led_work); + flush_scheduled_work(); + } + } + + dvb_usb_device_exit(intf); +} + +static struct usb_driver technisat_usb2_driver = { + .name = "dvb_usb_technisat_usb2", + .probe = technisat_usb2_probe, + .disconnect = technisat_usb2_disconnect, + .id_table = technisat_usb2_id_table, +}; + +/* module stuff */ +static int __init technisat_usb2_module_init(void) +{ + int result = usb_register(&technisat_usb2_driver); + if (result) { + err("usb_register failed. Code %d", result); + return result; + } + + return 0; +} + +static void __exit technisat_usb2_module_exit(void) +{ + usb_deregister(&technisat_usb2_driver); +} + +module_init(technisat_usb2_module_init); +module_exit(technisat_usb2_module_exit); + +MODULE_AUTHOR("Patrick Boettcher <pboettcher@kernellabs.com>"); +MODULE_DESCRIPTION("Driver for Technisat DVB-S/S2 USB 2.0 device"); +MODULE_VERSION("1.0"); +MODULE_LICENSE("GPL"); |
