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path: root/drivers/media/usb/dvb-usb/technisat-usb2.c
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Diffstat (limited to 'drivers/media/usb/dvb-usb/technisat-usb2.c')
-rw-r--r--drivers/media/usb/dvb-usb/technisat-usb2.c805
1 files changed, 805 insertions, 0 deletions
diff --git a/drivers/media/usb/dvb-usb/technisat-usb2.c b/drivers/media/usb/dvb-usb/technisat-usb2.c
new file mode 100644
index 000000000..8d8e9f56a
--- /dev/null
+++ b/drivers/media/usb/dvb-usb/technisat-usb2.c
@@ -0,0 +1,805 @@
+/*
+ * 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.
+ *
+ *
+ * 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;
+
+ u8 buf[64];
+};
+
+/* 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;
+ int ret, actual_length;
+
+ b = kmalloc(64, GFP_KERNEL);
+ if (!b)
+ return -ENOMEM;
+
+ 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);
+ rxlen = 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);
+ goto err;
+ }
+
+ 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);
+ goto err;
+ }
+
+ 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 */))
+ goto err;
+ }
+
+ 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");
+
+err:
+ kfree(b);
+ return ret;
+}
+
+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 {
+ TECH_LED_OFF,
+ TECH_LED_BLINK,
+ TECH_LED_ON,
+ TECH_LED_UNDEFINED
+};
+
+static int technisat_usb2_set_led(struct dvb_usb_device *d, int red,
+ enum technisat_usb2_led_state st)
+{
+ struct technisat_usb2_state *state = d->priv;
+ u8 *led = state->buf;
+ int ret;
+
+ led[0] = red ? SET_RED_LED_VENDOR_REQUEST : SET_GREEN_LED_VENDOR_REQUEST;
+
+ if (disable_led_control && st != TECH_LED_OFF)
+ return 0;
+
+ switch (st) {
+ case TECH_LED_ON:
+ led[1] = 0x82;
+ break;
+ case TECH_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 TECH_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, 8, 500);
+
+ mutex_unlock(&d->i2c_mutex);
+ return ret;
+}
+
+static int technisat_usb2_set_led_timer(struct dvb_usb_device *d, u8 red, u8 green)
+{
+ struct technisat_usb2_state *state = d->priv;
+ u8 *b = state->buf;
+ int ret;
+
+ b[0] = 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_adap[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, TECH_LED_BLINK);
+ else
+ technisat_usb2_set_led(state->dev, 0, TECH_LED_ON);
+ } else
+ technisat_usb2_set_led(state->dev, 0, TECH_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;
+
+ version = kmalloc(3, GFP_KERNEL);
+ if (!version)
+ return -ENOMEM;
+
+ /* 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, 3, 500);
+
+ if (ret < 0)
+ *cold = 1;
+ else {
+ info("firmware version: %d.%d", version[1], version[2]);
+ *cold = 0;
+ }
+
+ kfree(version);
+
+ 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, TECH_LED_OFF);
+ /* red led is turned on all the time */
+ technisat_usb2_set_led(d, 1, TECH_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, &reg, 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;
+}
+
+static struct stv090x_config technisat_usb2_stv090x_config;
+
+/* frontend attach */
+static int technisat_usb2_set_voltage(struct dvb_frontend *fe,
+ enum fe_sec_voltage 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 (technisat_usb2_stv090x_config.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_adap[0].fe = dvb_attach(stv090x_attach, &technisat_usb2_stv090x_config,
+ &a->dev->i2c_adap, STV090x_DEMODULATOR_0);
+
+ if (a->fe_adap[0].fe) {
+ const struct stv6110x_devctl *ctl;
+
+ ctl = dvb_attach(stv6110x_attach,
+ a->fe_adap[0].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_adap[0].fe->ops.init)
+ a->fe_adap[0].fe->ops.init(a->fe_adap[0].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_adap[0].fe->ops.set_voltage = technisat_usb2_set_voltage;
+
+ /* if everything was successful assign a nice name to the frontend */
+ strlcpy(a->fe_adap[0].fe->ops.info.name, a->dev->desc->name,
+ sizeof(a->fe_adap[0].fe->ops.info.name));
+ } else {
+ dvb_frontend_detach(a->fe_adap[0].fe);
+ a->fe_adap[0].fe = NULL;
+ }
+ }
+
+ technisat_usb2_set_led_timer(a->dev, 1, 1);
+
+ return a->fe_adap[0].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)
+{
+ struct technisat_usb2_state *state = d->priv;
+ struct ir_raw_event ev;
+ u8 *buf = state->buf;
+ int i, ret;
+
+ 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, 62, 500);
+
+unlock:
+ mutex_unlock(&d->i2c_mutex);
+
+ if (ret < 0)
+ return ret;
+
+ if (ret == 1)
+ return 0; /* no key pressed */
+
+ /* decoding */
+
+#if 0
+ deb_rc("RC: %d ", ret);
+ debug_dump(buf + 1, ret, deb_rc);
+#endif
+
+ ev.pulse = 0;
+ for (i = 1; i < ARRAY_SIZE(state->buf); i++) {
+ if (buf[i] == 0xff) {
+ ev.pulse = 0;
+ ev.duration = 888888*2;
+ ir_raw_event_store(d->rc_dev, &ev);
+ break;
+ }
+
+ ev.pulse = !ev.pulse;
+ ev.duration = (buf[i] * FIRMWARE_CLOCK_DIVISOR *
+ FIRMWARE_CLOCK_TICK) / 1000;
+ ir_raw_event_store(d->rc_dev, &ev);
+ }
+
+ 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, TECH_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 */
+};
+MODULE_DEVICE_TABLE(usb, technisat_usb2_id_table);
+
+/* 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 = {
+ {
+ .num_frontends = 1,
+ .fe = {{
+ .frontend_attach = technisat_usb2_frontend_attach,
+
+ .stream = {
+ .type = USB_ISOC,
+ .count = 4,
+ .endpoint = 0x2,
+ .u = {
+ .isoc = {
+ .framesperurb = 32,
+ .framesize = 2048,
+ .interval = 1,
+ }
+ }
+ },
+ }},
+ .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_PROTO_BIT_ALL_IR_DECODER,
+ .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);
+ }
+
+ 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_usb_driver(technisat_usb2_driver);
+
+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");
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-23 19:50:20 +0000