[PATCH][3/5] DVB: add new driver

From: Michael Hunold
Date: Wed Oct 27 2004 - 05:09:39 EST

- [DVB] add new driver for the Terratec CinergyT2/qanu USB2 DVB-T receiver, thanks to Daniel Mack and Holger Waechtler

Signed-off-by: Michael Hunold <hunold@xxxxxxxxxxx>

diff -uraNwB linux-2.6.10-rc1/drivers/media/dvb/Kconfig linux-2.6.10-rc1-patched/drivers/media/dvb/Kconfig
--- linux-2.6.10-rc1/drivers/media/dvb/Kconfig 2004-10-25 14:07:50.000000000 +0200
+++ linux-2.6.10-rc1-patched/drivers/media/dvb/Kconfig 2004-10-25 14:14:41.000000000 +0200
@@ -32,6 +32,7 @@
source "drivers/media/dvb/ttusb-budget/Kconfig"
source "drivers/media/dvb/ttusb-dec/Kconfig"
source "drivers/media/dvb/dibusb/Kconfig"
+source "drivers/media/dvb/cinergyT2/Kconfig"

comment "Supported FlexCopII (B2C2) Adapters"
depends on DVB_CORE && PCI
diff -uraNwB linux-2.6.10-rc1/drivers/media/dvb/Makefile linux-2.6.10-rc1-patched/drivers/media/dvb/Makefile
--- linux-2.6.10-rc1/drivers/media/dvb/Makefile 2004-10-25 14:07:53.000000000 +0200
+++ linux-2.6.10-rc1-patched/drivers/media/dvb/Makefile 2004-10-25 14:14:41.000000000 +0200
@@ -2,4 +2,4 @@
# Makefile for the kernel multimedia device drivers.
#

-obj-y := dvb-core/ frontends/ ttpci/ ttusb-dec/ ttusb-budget/ b2c2/ bt8xx/ dibusb/
+obj-y := dvb-core/ frontends/ ttpci/ ttusb-dec/ ttusb-budget/ b2c2/ bt8xx/ dibusb/ cinergyT2/
diff -uraNwB linux-2.6.10-rc1/drivers/media/dvb/cinergyT2/Kconfig linux-2.6.10-rc1-patched/drivers/media/dvb/cinergyT2/Kconfig
--- linux-2.6.10-rc1/drivers/media/dvb/cinergyT2/Kconfig 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-patched/drivers/media/dvb/cinergyT2/Kconfig 2004-10-15 17:22:20.000000000 +0200
@@ -0,0 +1,59 @@
+config DVB_CINERGYT2
+ tristate "Terratec CinergyT2/qanu USB2 DVB-T receiver"
+ depends on DVB_CORE && USB
+ help
+ Support for "TerraTec CinergyT2" USB2.0 Highspeed DVB Receivers
+
+ Say Y if you own such a device and want to use it.
+
+
+config DVB_CINERGYT2_TUNING
+ bool "sophisticated fine-tuning for CinergyT2 cards"
+ depends on DVB_CINERGYT2
+ help
+ Here you can fine-tune some parameters of the CinergyT2 driver.
+
+ Normally you don't need to touch this, but in exotic setups you
+ may fine-tune your setup and adjust e.g. DMA buffer sizes for
+ a particular application.
+
+
+config DVB_CINERGYT2_STREAM_URB_COUNT
+ int "Number of queued USB Request Blocks for Highspeed Stream Transfers"
+ depends on DVB_CINERGYT2_TUNING
+ default "32"
+ help
+ USB Request Blocks for Highspeed Stream transfers are queued in a
+ for the Host Controller. Usually the default value is a safe choice.
+
+ You may increase this number if you are using this device in a
+ Server Environment with many high-traffic USB Highspeed devices
+ sharing the same USB bus.
+
+
+config DVB_CINERGYT2_STREAM_BUF_SIZE
+ int "Size of URB Stream Buffers for Highspeed Transfers"
+ depends on DVB_CINERGYT2_TUNING
+ default "512"
+ help
+ Should be a multiple of native buffer size of 512 bytes.
+ Default value is a safe choice.
+
+ You may increase this number if you are using this device in a
+ Server Environment with many high-traffic USB Highspeed devices
+ sharing the same USB bus.
+
+
+config DVB_CINERGYT2_ENABLE_RC_INPUT_DEVICE
+ bool "Register the onboard IR Remote Control Receiver as Input Device"
+ depends on DVB_CINERGYT2_TUNING
+ default "yes"
+ help
+ Enable this option if you want to use the onboard Infrared Remote
+ Control Receiver as Linux-Input device.
+
+ Right now only the keycode table for the default Remote Control
+ delivered with the device is supported, please see the driver
+ source code to find out how to add support for other controls.
+
+
diff -uraNwB linux-2.6.10-rc1/drivers/media/dvb/cinergyT2/Makefile linux-2.6.10-rc1-patched/drivers/media/dvb/cinergyT2/Makefile
--- linux-2.6.10-rc1/drivers/media/dvb/cinergyT2/Makefile 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-patched/drivers/media/dvb/cinergyT2/Makefile 2004-10-15 17:15:48.000000000 +0200
@@ -0,0 +1,3 @@
+obj-$(CONFIG_DVB_CINERGYT2) += cinergyT2.o
+
+EXTRA_CFLAGS = -Idrivers/media/dvb/dvb-core/
diff -uraN a/linux-2.6.10-rc1-patched/drivers/media/dvb/cinergyT2/cinergyT2.c b/linux-2.6.10-rc1-patched/drivers/media/dvb/cinergyT2/cinergyT2.c
--- a/drivers/media/dvb/cinergyT2/cinergyT2.c 1970-01-01 01:00:00.000000000 +0100
+++ b/drivers/media/dvb/cinergyT2/cinergyT2.c 2004-10-26 15:17:54.000000000 +0200
@@ -0,0 +1,811 @@
+/*
+ * TerraTec Cinergy T²/qanu USB2 DVB-T adapter.
+ *
+ * Copyright (C) 2004 Daniel Mack <daniel@xxxxxxx> and
+ * Holger Waechtler <holger@xxxxxxx>
+ *
+ * Protocol Spec published on http://qanu.de/specs/terratec_cinergyT2.pdf
+ *
+ * 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 distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * 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.
+ *
+ */
+
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/usb.h>
+#include <linux/pci.h>
+#include <linux/input.h>
+#include <linux/dvb/frontend.h>
+
+#include "dmxdev.h"
+#include "dvb_demux.h"
+#include "dvb_net.h"
+
+#ifdef CONFIG_DVB_CINERGYT2_TUNING
+ #define STREAM_URB_COUNT (CONFIG_DVB_CINERGYT2_STREAM_URB_COUNT)
+ #define STREAM_BUF_SIZE (CONFIG_DVB_CINERGYT2_STREAM_BUF_SIZE)
+ #ifdef CONFIG_DVB_CINERGYT2_ENABLE_RC_INPUT_DEVICE
+ #define ENABLE_RC (1)
+ #endif
+#else
+ #define STREAM_URB_COUNT (32)
+ #define STREAM_BUF_SIZE (512)
+ #define ENABLE_RC (1)
+#endif
+
+#define DRIVER_NAME "TerraTec/qanu USB2.0 Highspeed DVB-T Receiver"
+
+static int debug;
+module_param_named(debug, debug, int, 0644);
+MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
+
+#define dprintk(level, args...) \
+ do { if ((debug & level)) { printk("%s: %s(): ",__stringify(KBUILD_MODNAME), __FUNCTION__); printk(args); } } while (0)
+
+enum cinergyt2_ep1_cmd {
+ CINERGYT2_EP1_PID_TABLE_RESET = 0x01,
+ CINERGYT2_EP1_PID_SETUP = 0x02,
+ CINERGYT2_EP1_CONTROL_STREAM_TRANSFER = 0x03,
+ CINERGYT2_EP1_SET_TUNER_PARAMETERS = 0x04,
+ CINERGYT2_EP1_GET_TUNER_STATUS = 0x05,
+ CINERGYT2_EP1_START_SCAN = 0x06,
+ CINERGYT2_EP1_CONTINUE_SCAN = 0x07,
+ CINERGYT2_EP1_GET_RC_EVENTS = 0x08,
+ CINERGYT2_EP1_SLEEP_MODE = 0x09
+};
+
+static struct dvb_frontend_info cinergyt2_fe_info = {
+ .name = DRIVER_NAME,
+ .type = FE_OFDM,
+ .frequency_min = 174000000,
+ .frequency_max = 862000000,
+ .frequency_stepsize = 166667,
+ .notifier_delay = 0,
+ .caps = FE_CAN_INVERSION_AUTO | FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 |
+ FE_CAN_FEC_3_4 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 |
+ FE_CAN_FEC_AUTO |
+ FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO |
+ FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO |
+ FE_CAN_HIERARCHY_AUTO | FE_CAN_RECOVER | FE_CAN_MUTE_TS
+};
+
+struct cinergyt2 {
+ struct dvb_demux demux;
+ struct usb_device *udev;
+ struct semaphore sem;
+ struct dvb_adapter *adapter;
+ struct dvb_device *fedev;
+ struct dmxdev dmxdev;
+ struct dvb_net dvbnet;
+
+ int streaming;
+
+ void *streambuf;
+ dma_addr_t streambuf_dmahandle;
+ struct urb *stream_urb[STREAM_URB_COUNT];
+
+#ifdef ENABLE_RC
+ struct input_dev rc_input_dev;
+ struct work_struct rc_query_work;
+ int rc_input_event;
+#endif
+};
+
+enum {
+ CINERGYT2_RC_EVENT_TYPE_NONE = 0x00,
+ CINERGYT2_RC_EVENT_TYPE_NEC = 0x01,
+ CINERGYT2_RC_EVENT_TYPE_RC5 = 0x02
+};
+
+struct cinergyt2_rc_event {
+ char type;
+ uint32_t value;
+} __attribute__((packed));
+
+static const uint32_t rc_keys [] = {
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xfe01eb04, KEY_POWER,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xfd02eb04, KEY_1,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xfc03eb04, KEY_2,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xfb04eb04, KEY_3,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xfa05eb04, KEY_4,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xf906eb04, KEY_5,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xf807eb04, KEY_6,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xf708eb04, KEY_7,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xf609eb04, KEY_8,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xf50aeb04, KEY_9,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xf30ceb04, KEY_0,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xf40beb04, KEY_VIDEO,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xf20deb04, KEY_REFRESH,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xf10eeb04, KEY_SELECT,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xf00feb04, KEY_EPG,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xef10eb04, KEY_UP,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xeb14eb04, KEY_DOWN,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xee11eb04, KEY_LEFT,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xec13eb04, KEY_RIGHT,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xed12eb04, KEY_OK,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xea15eb04, KEY_TEXT,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xe916eb04, KEY_INFO,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xe817eb04, KEY_RED,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xe718eb04, KEY_GREEN,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xe619eb04, KEY_YELLOW,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xe51aeb04, KEY_BLUE,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xe31ceb04, KEY_VOLUMEUP,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xe11eeb04, KEY_VOLUMEDOWN,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xe21deb04, KEY_MUTE,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xe41beb04, KEY_CHANNELUP,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xe01feb04, KEY_CHANNELDOWN,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xbf40eb04, KEY_PAUSE,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xb34ceb04, KEY_PLAY,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xa758eb04, KEY_RECORD,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xab54eb04, KEY_PREVIOUS,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xb748eb04, KEY_STOP,
+ CINERGYT2_RC_EVENT_TYPE_NEC, 0xa35ceb04, KEY_NEXT
+};
+
+static void cinergyt2_stream_irq (struct urb *urb, struct pt_regs *regs);
+
+static int cinergyt2_submit_stream_urb (struct cinergyt2 *cinergyt2, struct urb *urb)
+{
+ int err;
+
+ usb_fill_bulk_urb(urb,
+ cinergyt2->udev,
+ usb_rcvbulkpipe(cinergyt2->udev, 0x2),
+ urb->transfer_buffer,
+ STREAM_BUF_SIZE,
+ cinergyt2_stream_irq,
+ cinergyt2);
+
+ if ((err = usb_submit_urb(urb, GFP_ATOMIC)))
+ dprintk(1, "urb submission failed (err = %i)!\n", err);
+
+ return err;
+}
+
+static void cinergyt2_stream_irq (struct urb *urb, struct pt_regs *regs)
+{
+ struct cinergyt2 *cinergyt2 = urb->context;
+
+ if (urb->actual_length > 0)
+ dvb_dmx_swfilter(&cinergyt2->demux,
+ urb->transfer_buffer, urb->actual_length);
+
+ if (cinergyt2->streaming)
+ cinergyt2_submit_stream_urb(cinergyt2, urb);
+}
+
+static void cinergyt2_free_stream_urbs (struct cinergyt2 *cinergyt2)
+{
+ int i;
+
+ for (i=0; i<STREAM_URB_COUNT; i++)
+ if (cinergyt2->stream_urb[i])
+ usb_free_urb(cinergyt2->stream_urb[i]);
+
+ pci_free_consistent(NULL, STREAM_URB_COUNT*STREAM_BUF_SIZE,
+ cinergyt2->streambuf, cinergyt2->streambuf_dmahandle);
+}
+
+static int cinergyt2_alloc_stream_urbs (struct cinergyt2 *cinergyt2)
+{
+ int i;
+
+ cinergyt2->streambuf = pci_alloc_consistent(NULL,
+ STREAM_URB_COUNT*STREAM_BUF_SIZE,
+ &cinergyt2->streambuf_dmahandle);
+ if (!cinergyt2->streambuf) {
+ dprintk(1, "failed to alloc consistent stream memory area, bailing out!\n");
+ return -ENOMEM;
+ }
+
+ memset(cinergyt2->streambuf, 0, STREAM_URB_COUNT*STREAM_BUF_SIZE);
+
+ for (i=0; i<STREAM_URB_COUNT; i++) {
+ struct urb *urb;
+
+ if (!(urb = usb_alloc_urb(0, GFP_ATOMIC))) {
+ dprintk(1, "failed to alloc consistent stream urbs, bailing out!\n");
+ cinergyt2_free_stream_urbs(cinergyt2);
+ return -ENOMEM;
+ }
+
+ urb->transfer_buffer = cinergyt2->streambuf + i * STREAM_BUF_SIZE;
+ urb->transfer_buffer_length = STREAM_BUF_SIZE;
+
+ cinergyt2->stream_urb[i] = urb;
+ }
+
+ return 0;
+}
+
+static void cinergyt2_stop_stream_xfer (struct cinergyt2 *cinergyt2)
+{
+ int i;
+
+ for (i=0; i<STREAM_URB_COUNT; i++)
+ if (cinergyt2->stream_urb[i])
+ usb_unlink_urb(cinergyt2->stream_urb[i]);
+}
+
+static int cinergyt2_start_stream_xfer (struct cinergyt2 *cinergyt2)
+{
+ int i, err;
+
+ for (i=0; i<STREAM_URB_COUNT; i++) {
+ if ((err = cinergyt2_submit_stream_urb(cinergyt2, cinergyt2->stream_urb[i]))) {
+ cinergyt2_stop_stream_xfer(cinergyt2);
+ dprintk(1, "failed urb submission (%i: err = %i)!\n", i, err);
+ return err;
+ }
+ }
+
+ return 0;
+}
+
+static int cinergyt2_command (struct cinergyt2 *cinergyt2,
+ char *send_buf, int send_buf_len,
+ char *rec_buf, int rec_buf_len)
+{
+ int ret;
+ int actual_len;
+ char dummy;
+
+ if (down_interruptible(&cinergyt2->sem))
+ return -EBUSY;
+
+ ret = usb_bulk_msg(cinergyt2->udev, usb_sndbulkpipe(cinergyt2->udev, 1),
+ send_buf, send_buf_len, &actual_len, HZ);
+
+ if (ret)
+ dprintk(1, "usb_bulk_msg() (send) failed, err %i\n", ret);
+
+ if (!rec_buf)
+ rec_buf = &dummy;
+
+ ret = usb_bulk_msg(cinergyt2->udev, usb_rcvbulkpipe(cinergyt2->udev, 1),
+ rec_buf, rec_buf_len, &actual_len, HZ);
+
+ if (ret)
+ dprintk(1, "usb_bulk_msg() (read) failed, err %i\n", ret);
+
+ up(&cinergyt2->sem);
+
+ return ret ? ret : actual_len;
+}
+
+static void cinergyt2_control_stream_transfer (struct cinergyt2 *cinergyt2, int enable)
+{
+ char buf [] = { CINERGYT2_EP1_CONTROL_STREAM_TRANSFER, enable ? 1 : 0 };
+ cinergyt2_command(cinergyt2, buf, sizeof(buf), NULL, 0);
+}
+
+static void cinergyt2_control_sleep_mode (struct cinergyt2 *cinergyt2, int sleep)
+{
+ char buf [] = { CINERGYT2_EP1_SLEEP_MODE, sleep ? 1 : 0 };
+ cinergyt2_command(cinergyt2, buf, sizeof(buf), NULL, 0);
+}
+
+static int cinergyt2_start_feed(struct dvb_demux_feed *dvbdmxfeed)
+{
+ struct dvb_demux *demux = dvbdmxfeed->demux;
+ struct cinergyt2 *cinergyt2 = demux->priv;
+
+
+ if (cinergyt2->streaming == 0) {
+ if (cinergyt2_start_stream_xfer (cinergyt2) == 0)
+ cinergyt2_control_stream_transfer (cinergyt2, 1);
+ }
+
+ cinergyt2->streaming++;
+
+ return 0;
+}
+
+static int cinergyt2_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
+{
+ struct dvb_demux *demux = dvbdmxfeed->demux;
+ struct cinergyt2 *cinergyt2 = demux->priv;
+
+ if (--cinergyt2->streaming == 0) {
+ cinergyt2_control_stream_transfer(cinergyt2, 0);
+ cinergyt2_stop_stream_xfer(cinergyt2);
+ }
+
+ return 0;
+}
+
+/**
+ * convert linux-dvb frontend parameter set into TPS.
+ * See ETSI ETS-300744, section 4.6.2, table 9 for details.
+ *
+ * This function is probably reusable and may better get placed in a support
+ * library.
+ *
+ * We replace errornous fields by default TPS fields (the ones with value 0).
+ */
+
+static uint16_t compute_tps (struct dvb_frontend_parameters *param)
+{
+ uint16_t tps = 0;
+ struct dvb_ofdm_parameters *op = &param->u.ofdm;
+
+ switch (op->code_rate_HP) {
+ case FEC_2_3:
+ tps |= (1 << 7);
+ break;
+ case FEC_3_4:
+ tps |= (2 << 7);
+ break;
+ case FEC_5_6:
+ tps |= (3 << 7);
+ break;
+ case FEC_7_8:
+ tps |= (4 << 7);
+ break;
+ case FEC_1_2:
+ case FEC_AUTO:
+ default:
+ /* tps |= (0 << 7) */;
+ }
+
+ switch (op->code_rate_LP) {
+ case FEC_2_3:
+ tps |= (1 << 4);
+ break;
+ case FEC_3_4:
+ tps |= (2 << 4);
+ break;
+ case FEC_5_6:
+ tps |= (3 << 4);
+ break;
+ case FEC_7_8:
+ tps |= (4 << 4);
+ break;
+ case FEC_1_2:
+ case FEC_AUTO:
+ default:
+ /* tps |= (0 << 4) */;
+ }
+
+ switch (op->constellation) {
+ case QAM_16:
+ tps |= (1 << 13);
+ break;
+ case QAM_64:
+ tps |= (2 << 13);
+ break;
+ case QPSK:
+ default:
+ /* tps |= (0 << 13) */;
+ }
+
+ switch (op->transmission_mode) {
+ case TRANSMISSION_MODE_8K:
+ tps |= (1 << 0);
+ break;
+ case TRANSMISSION_MODE_2K:
+ default:
+ /* tps |= (0 << 0) */;
+ }
+
+ switch (op->guard_interval) {
+ case GUARD_INTERVAL_1_16:
+ tps |= (1 << 2);
+ break;
+ case GUARD_INTERVAL_1_8:
+ tps |= (2 << 2);
+ break;
+ case GUARD_INTERVAL_1_4:
+ tps |= (3 << 2);
+ break;
+ case GUARD_INTERVAL_1_32:
+ default:
+ /* tps |= (0 << 2) */;
+ }
+
+ switch (op->hierarchy_information) {
+ case HIERARCHY_1:
+ tps |= (1 << 10);
+ break;
+ case HIERARCHY_2:
+ tps |= (2 << 10);
+ break;
+ case HIERARCHY_4:
+ tps |= (3 << 10);
+ break;
+ case HIERARCHY_NONE:
+ default:
+ /* tps |= (0 << 10) */;
+ }
+
+ return tps;
+}
+
+struct dvbt_set_parameters_msg {
+ uint8_t cmd;
+ uint32_t freq;
+ uint8_t bandwidth;
+ uint16_t tps;
+ uint8_t flags;
+} __attribute__((packed));
+
+struct dvbt_get_parameters_msg {
+ uint32_t freq;
+ uint8_t bandwidth;
+ uint16_t tps;
+ uint8_t flags;
+ uint16_t gain;
+ uint8_t snr;
+ uint32_t viterbi_error_rate;
+ uint32_t rs_error_rate;
+ uint32_t uncorrected_block_count;
+ uint8_t lock_bits;
+ uint8_t prev_lock_bits;
+} __attribute__((packed));
+
+static int cinergyt2_fe_open (struct inode *inode, struct file *file)
+{
+ struct dvb_device *dvbdev = file->private_data;
+ cinergyt2_control_sleep_mode((struct cinergyt2 *) dvbdev->priv, 0);
+ return dvb_generic_open(inode, file);
+}
+
+static int cinergyt2_fe_release (struct inode *inode, struct file *file)
+{
+ struct dvb_device *dvbdev = file->private_data;
+ cinergyt2_control_sleep_mode((struct cinergyt2 *) dvbdev->priv, 1);
+ return dvb_generic_release (inode, file);
+}
+
+static int cinergyt2_fe_ioctl (struct inode *inode, struct file *file,
+ unsigned int cmd, void *arg)
+{
+ struct dvb_device *dvbdev = file->private_data;
+ struct cinergyt2 *cinergyt2 = dvbdev->priv;
+ int ret = 0;
+
+ switch (cmd) {
+ case FE_GET_INFO:
+ memcpy (arg, &cinergyt2_fe_info, sizeof(struct dvb_frontend_info));
+ break;
+
+ case FE_READ_STATUS:
+ {
+ struct dvbt_get_parameters_msg msg;
+ char cmd = CINERGYT2_EP1_GET_TUNER_STATUS;
+ fe_status_t *status = arg;
+
+ *status = 0;
+
+ cinergyt2_command(cinergyt2, &cmd, 1, (char *) &msg, sizeof(msg));
+
+ if (msg.lock_bits & (1 << 6))
+ *status |= FE_HAS_LOCK;
+ if (msg.lock_bits & (1 << 5))
+ *status |= FE_HAS_SYNC;
+ if (msg.lock_bits & (1 << 4))
+ *status |= FE_HAS_CARRIER;
+ if (msg.lock_bits & (1 << 1))
+ *status |= FE_HAS_VITERBI;
+
+ break;
+ }
+
+ case FE_READ_BER:
+ {
+ struct dvbt_get_parameters_msg msg;
+ char cmd = CINERGYT2_EP1_GET_TUNER_STATUS;
+ u32 *ber = (u32 *) arg;
+
+ cinergyt2_command(cinergyt2, &cmd, 1, (char *) &msg, sizeof(msg));
+
+ *ber = le32_to_cpu(msg.viterbi_error_rate);
+
+ break;
+ }
+
+ case FE_READ_SIGNAL_STRENGTH:
+ {
+ struct dvbt_get_parameters_msg msg;
+ char cmd = CINERGYT2_EP1_GET_TUNER_STATUS;
+ u16 *signal = (u16 *) arg;
+
+ cinergyt2_command(cinergyt2, &cmd, 1, (char *) &msg, sizeof(msg));
+
+ *signal = ~(le16_to_cpu(msg.gain));
+
+ break;
+ }
+
+ case FE_READ_SNR:
+ {
+ struct dvbt_get_parameters_msg msg;
+ char cmd = CINERGYT2_EP1_GET_TUNER_STATUS;
+ u16 *snr = (u16 *) arg;
+
+ cinergyt2_command(cinergyt2, &cmd, 1, (char *) &msg, sizeof(msg));
+
+ *snr = (msg.snr << 8) | msg.snr;
+
+ break;
+ }
+
+ case FE_READ_UNCORRECTED_BLOCKS:
+ {
+ struct dvbt_get_parameters_msg msg;
+ char cmd = CINERGYT2_EP1_GET_TUNER_STATUS;
+ u32 *ubc = (u32 *) arg;
+
+ cinergyt2_command(cinergyt2, &cmd, 1, (char *) &msg, sizeof(msg));
+
+ *ubc = le32_to_cpu(msg.uncorrected_block_count);
+
+ break;
+ }
+
+ case FE_SET_FRONTEND:
+ {
+ struct dvb_frontend_parameters *p = (void*) arg;
+ struct dvb_ofdm_parameters *op = &p->u.ofdm;
+ struct dvbt_set_parameters_msg msg;
+
+ msg.cmd = CINERGYT2_EP1_SET_TUNER_PARAMETERS;
+ msg.tps = cpu_to_le16(compute_tps(p));
+ msg.freq = cpu_to_le32(p->frequency / 1000);
+ msg.bandwidth = 8 - op->bandwidth - BANDWIDTH_8_MHZ;
+
+ cinergyt2_command(cinergyt2, (char *) &msg, sizeof(msg), NULL, 0);
+
+ break;
+ }
+
+ case FE_GET_FRONTEND:
+ /**
+ * trivial to implement (see struct dvbt_get_parameters_msg).
+ * equivalent to FE_READ ioctls, but needs
+ * TPS -> linux-dvb parameter set conversion. Feel free
+ * to implement this and send us a patch if you need this
+ * functionality.
+ */
+ break;
+
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
+static
+struct file_operations cinergyt2_fe_fops = {
+ .owner = THIS_MODULE,
+ .ioctl = dvb_generic_ioctl,
+ /**
+ * do we really need this? If so, let's implement it via
+ * schedule_delayed_work() similiar to the IR code.
+ */
+ /*.poll = cinergyt2_fe_poll, */
+ .open = cinergyt2_fe_open,
+ .release = cinergyt2_fe_release
+};
+
+static struct dvb_device cinergyt2_fe_template = {
+ .users = ~0,
+ .writers = 1,
+ .readers = (~0)-1,
+ .fops = &cinergyt2_fe_fops,
+ .kernel_ioctl = cinergyt2_fe_ioctl
+};
+
+#ifdef ENABLE_RC
+static void cinergyt2_query_rc (void *data)
+{
+ struct cinergyt2 *cinergyt2 = (struct cinergyt2 *) data;
+ char buf [1] = { CINERGYT2_EP1_GET_RC_EVENTS };
+ struct cinergyt2_rc_event rc_events[12];
+ int n, len;
+
+ len = cinergyt2_command(cinergyt2, buf, sizeof(buf),
+ (char *) rc_events, sizeof(rc_events));
+
+ for (n=0; len>0 && n<(len/sizeof(rc_events[0])); n++) {
+ int i;
+
+ if (rc_events[n].type == CINERGYT2_RC_EVENT_TYPE_NEC &&
+ rc_events[n].value == ~0)
+ {
+ /**
+ * keyrepeat bit. If we would handle this properly
+ * we would need to emit down events as long the
+ * keyrepeat goes, a up event if no further
+ * repeat bits occur. Would need a timer to implement
+ * and no other driver does this, so we simply
+ * emit the last key up/down sequence again.
+ */
+ } else {
+ cinergyt2->rc_input_event = KEY_MAX;
+ for (i=0; i<sizeof(rc_keys)/sizeof(rc_keys[0]); i+=3) {
+ if (rc_keys[i+0] == rc_events[n].type &&
+ rc_keys[i+1] == rc_events[n].value)
+ {
+ cinergyt2->rc_input_event = rc_keys[i+2];
+ break;
+ }
+ }
+ }
+
+ if (cinergyt2->rc_input_event != KEY_MAX) {
+ input_report_key(&cinergyt2->rc_input_dev, cinergyt2->rc_input_event, 1);
+ input_report_key(&cinergyt2->rc_input_dev, cinergyt2->rc_input_event, 0);
+ input_sync(&cinergyt2->rc_input_dev);
+ }
+ }
+
+ schedule_delayed_work(&cinergyt2->rc_query_work, (HZ/5));
+}
+#endif
+
+static int cinergyt2_probe (struct usb_interface *intf, const struct usb_device_id *id)
+{
+ struct cinergyt2 *cinergyt2;
+ int i, err;
+
+ if (!(cinergyt2 = kmalloc (sizeof(struct cinergyt2), GFP_KERNEL))) {
+ dprintk(1, "out of memory?!?\n");
+ return -ENOMEM;
+ }
+
+ memset (cinergyt2, 0, sizeof (struct cinergyt2));
+ usb_set_intfdata (intf, (void *) cinergyt2);
+
+ init_MUTEX(&cinergyt2->sem);
+
+ cinergyt2->udev = interface_to_usbdev(intf);
+
+ if (cinergyt2_alloc_stream_urbs (cinergyt2) < 0) {
+ dprintk(1, "unable to allocate stream urbs\n");
+ kfree(cinergyt2);
+ return -ENOMEM;
+ }
+
+ dvb_register_adapter(&cinergyt2->adapter, DRIVER_NAME, THIS_MODULE);
+
+ cinergyt2->demux.priv = cinergyt2;
+ cinergyt2->demux.filternum = 256;
+ cinergyt2->demux.feednum = 256;
+ cinergyt2->demux.start_feed = cinergyt2_start_feed;
+ cinergyt2->demux.stop_feed = cinergyt2_stop_feed;
+ cinergyt2->demux.dmx.capabilities = DMX_TS_FILTERING |
+ DMX_SECTION_FILTERING |
+ DMX_MEMORY_BASED_FILTERING;
+
+ if ((err = dvb_dmx_init(&cinergyt2->demux)) < 0) {
+ dprintk(1, "dvb_dmx_init() failed (err = %d)\n", err);
+ goto bailout;
+ }
+
+ cinergyt2->dmxdev.filternum = cinergyt2->demux.filternum;
+ cinergyt2->dmxdev.demux = &cinergyt2->demux.dmx;
+ cinergyt2->dmxdev.capabilities = 0;
+
+ if ((err = dvb_dmxdev_init(&cinergyt2->dmxdev, cinergyt2->adapter)) < 0) {
+ dprintk(1, "dvb_dmxdev_init() failed (err = %d)\n", err);
+ goto bailout;
+ }
+
+ if (dvb_net_init(cinergyt2->adapter, &cinergyt2->dvbnet, &cinergyt2->demux.dmx))
+ dprintk(1, "dvb_net_init() failed!\n");
+
+ dvb_register_device(cinergyt2->adapter, &cinergyt2->fedev,
+ &cinergyt2_fe_template, cinergyt2,
+ DVB_DEVICE_FRONTEND);
+
+#ifdef ENABLE_RC
+ init_input_dev(&cinergyt2->rc_input_dev);
+
+ cinergyt2->rc_input_dev.evbit[0] = BIT(EV_KEY);
+ cinergyt2->rc_input_dev.keycodesize = sizeof(unsigned char);
+ cinergyt2->rc_input_dev.keycodemax = KEY_MAX;
+ cinergyt2->rc_input_dev.name = DRIVER_NAME " remote control";
+ cinergyt2->rc_input_dev.id.bustype = BUS_USB;
+ cinergyt2->rc_input_dev.id.vendor = 0x0001;
+ cinergyt2->rc_input_dev.id.product = 0x0001;
+ cinergyt2->rc_input_dev.id.version = 0x0100;
+
+ for (i=0; i<sizeof(rc_keys)/sizeof(rc_keys[0]); i+=3)
+ set_bit(rc_keys[i+2], cinergyt2->rc_input_dev.keybit);
+
+ input_register_device(&cinergyt2->rc_input_dev);
+
+ cinergyt2->rc_input_event = KEY_MAX;
+
+ INIT_WORK(&cinergyt2->rc_query_work, cinergyt2_query_rc, cinergyt2);
+ schedule_delayed_work(&cinergyt2->rc_query_work, HZ);
+#endif
+
+ return 0;
+
+bailout:
+ dvb_dmxdev_release(&cinergyt2->dmxdev);
+ dvb_dmx_release(&cinergyt2->demux);
+ dvb_unregister_adapter (cinergyt2->adapter);
+ cinergyt2_free_stream_urbs (cinergyt2);
+ kfree(cinergyt2);
+ return -ENOMEM;
+}
+
+static void cinergyt2_disconnect (struct usb_interface *intf)
+{
+ struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf);
+
+#ifdef ENABLE_RC
+ cancel_delayed_work(&cinergyt2->rc_query_work);
+ flush_scheduled_work();
+ input_unregister_device(&cinergyt2->rc_input_dev);
+#endif
+
+ cinergyt2->demux.dmx.close(&cinergyt2->demux.dmx);
+ dvb_net_release(&cinergyt2->dvbnet);
+ dvb_dmxdev_release(&cinergyt2->dmxdev);
+ dvb_dmx_release(&cinergyt2->demux);
+
+ dvb_unregister_device(cinergyt2->fedev);
+ dvb_unregister_adapter(cinergyt2->adapter);
+
+ cinergyt2_free_stream_urbs(cinergyt2);
+ kfree(cinergyt2);
+}
+
+static const struct usb_device_id cinergyt2_table [] __devinitdata = {
+ { USB_DEVICE(0x0ccd, 0x0038) },
+ { 0 }
+};
+
+MODULE_DEVICE_TABLE(usb, cinergyt2_table);
+
+static struct usb_driver cinergyt2_driver = {
+ .owner = THIS_MODULE,
+ .name = "cinergyt2",
+ .probe = cinergyt2_probe,
+ .disconnect = cinergyt2_disconnect,
+ .id_table = cinergyt2_table
+};
+
+static int __init cinergyt2_init (void)
+{
+ int err;
+
+ if ((err = usb_register(&cinergyt2_driver)) < 0) {
+ dprintk(1, "usb_register() failed! (err %i)\n", err);
+ return err;
+ }
+
+ return 0;
+}
+
+static void __exit cinergyt2_exit (void)
+{
+ usb_deregister(&cinergyt2_driver);
+}
+
+module_init (cinergyt2_init);
+module_exit (cinergyt2_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Holger Waechtler, Daniel Mack");
+