+++ /dev/null
-/*
- * TerraTec Cinergy T²/qanu USB2 DVB-T adapter.
- *
- * Copyright (C) 2004 Daniel Mack <daniel@qanu.de> and
- * Holger Waechtler <holger@qanu.de>
- *
- * 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/init.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/usb.h>
-#include <linux/input.h>
-#include <linux/dvb/frontend.h>
-#include <linux/mutex.h>
-#include <linux/mm.h>
-#include <asm/io.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)
- #define QUERY_INTERVAL (CONFIG_DVB_CINERGYT2_QUERY_INTERVAL)
- #ifdef CONFIG_DVB_CINERGYT2_ENABLE_RC_INPUT_DEVICE
- #define RC_QUERY_INTERVAL (CONFIG_DVB_CINERGYT2_RC_QUERY_INTERVAL)
- #define ENABLE_RC (1)
- #endif
-#else
- #define STREAM_URB_COUNT (32)
- #define STREAM_BUF_SIZE (512) /* bytes */
- #define ENABLE_RC (1)
- #define RC_QUERY_INTERVAL (50) /* milliseconds */
- #define QUERY_INTERVAL (333) /* milliseconds */
-#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).");
-
-DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
-
-#define dprintk(level, args...) \
-do { \
- if ((debug & level)) { \
- printk("%s: %s(): ", KBUILD_MODNAME, \
- __func__); \
- 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
-};
-
-struct dvbt_set_parameters_msg {
- uint8_t cmd;
- __le32 freq;
- uint8_t bandwidth;
- __le16 tps;
- uint8_t flags;
-} __attribute__((packed));
-
-struct dvbt_get_status_msg {
- __le32 freq;
- uint8_t bandwidth;
- __le16 tps;
- uint8_t flags;
- __le16 gain;
- uint8_t snr;
- __le32 viterbi_error_rate;
- __le32 rs_error_rate;
- __le32 uncorrected_block_count;
- uint8_t lock_bits;
- uint8_t prev_lock_bits;
-} __attribute__((packed));
-
-static struct dvb_frontend_info cinergyt2_fe_info = {
- .name = DRIVER_NAME,
- .type = FE_OFDM,
- .frequency_min = 174000000,
- .frequency_max = 862000000,
- .frequency_stepsize = 166667,
- .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 mutex sem;
- struct mutex wq_sem;
- struct dvb_adapter adapter;
- struct dvb_device *fedev;
- struct dmxdev dmxdev;
- struct dvb_net dvbnet;
-
- int streaming;
- int sleeping;
-
- struct dvbt_set_parameters_msg param;
- struct dvbt_get_status_msg status;
- struct delayed_work query_work;
-
- wait_queue_head_t poll_wq;
- int pending_fe_events;
- int disconnect_pending;
- unsigned int uncorrected_block_count;
- atomic_t inuse;
-
- void *streambuf;
- dma_addr_t streambuf_dmahandle;
- struct urb *stream_urb [STREAM_URB_COUNT];
-
-#ifdef ENABLE_RC
- struct input_dev *rc_input_dev;
- char phys[64];
- struct delayed_work rc_query_work;
- int rc_input_event;
- __le32 rc_last_code;
- unsigned long last_event_jiffies;
-#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;
- __le32 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 int cinergyt2_command (struct cinergyt2 *cinergyt2,
- char *send_buf, int send_buf_len,
- char *recv_buf, int recv_buf_len)
-{
- int actual_len;
- char dummy;
- int ret;
-
- ret = usb_bulk_msg(cinergyt2->udev, usb_sndbulkpipe(cinergyt2->udev, 1),
- send_buf, send_buf_len, &actual_len, 1000);
-
- if (ret)
- dprintk(1, "usb_bulk_msg (send) failed, err %i\n", ret);
-
- if (!recv_buf)
- recv_buf = &dummy;
-
- ret = usb_bulk_msg(cinergyt2->udev, usb_rcvbulkpipe(cinergyt2->udev, 1),
- recv_buf, recv_buf_len, &actual_len, 1000);
-
- if (ret)
- dprintk(1, "usb_bulk_msg (read) failed, err %i\n", ret);
-
- 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_sleep (struct cinergyt2 *cinergyt2, int sleep)
-{
- char buf [] = { CINERGYT2_EP1_SLEEP_MODE, sleep ? 1 : 0 };
- cinergyt2_command(cinergyt2, buf, sizeof(buf), NULL, 0);
- cinergyt2->sleeping = sleep;
-}
-
-static void cinergyt2_stream_irq (struct urb *urb);
-
-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 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++)
- usb_free_urb(cinergyt2->stream_urb[i]);
-
- usb_buffer_free(cinergyt2->udev, STREAM_URB_COUNT*STREAM_BUF_SIZE,
- cinergyt2->streambuf, cinergyt2->streambuf_dmahandle);
-}
-
-static int cinergyt2_alloc_stream_urbs (struct cinergyt2 *cinergyt2)
-{
- int i;
-
- cinergyt2->streambuf = usb_buffer_alloc(cinergyt2->udev, STREAM_URB_COUNT*STREAM_BUF_SIZE,
- GFP_KERNEL, &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;
-
- cinergyt2_control_stream_transfer(cinergyt2, 0);
-
- for (i=0; i<STREAM_URB_COUNT; i++)
- usb_kill_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;
- }
- }
-
- cinergyt2_control_stream_transfer(cinergyt2, 1);
- return 0;
-}
-
-static int cinergyt2_start_feed(struct dvb_demux_feed *dvbdmxfeed)
-{
- struct dvb_demux *demux = dvbdmxfeed->demux;
- struct cinergyt2 *cinergyt2 = demux->priv;
-
- if (cinergyt2->disconnect_pending)
- return -EAGAIN;
- if (mutex_lock_interruptible(&cinergyt2->sem))
- return -ERESTARTSYS;
-
- if (cinergyt2->streaming == 0)
- cinergyt2_start_stream_xfer(cinergyt2);
-
- cinergyt2->streaming++;
- mutex_unlock(&cinergyt2->sem);
- 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->disconnect_pending)
- return -EAGAIN;
- if (mutex_lock_interruptible(&cinergyt2->sem))
- return -ERESTARTSYS;
-
- if (--cinergyt2->streaming == 0)
- cinergyt2_stop_stream_xfer(cinergyt2);
-
- mutex_unlock(&cinergyt2->sem);
- 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 *p)
-{
- struct dvb_ofdm_parameters *op = &p->u.ofdm;
- uint16_t tps = 0;
-
- 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;
-}
-
-static int cinergyt2_open (struct inode *inode, struct file *file)
-{
- struct dvb_device *dvbdev = file->private_data;
- struct cinergyt2 *cinergyt2 = dvbdev->priv;
- int err = -EAGAIN;
-
- if (cinergyt2->disconnect_pending)
- goto out;
- err = mutex_lock_interruptible(&cinergyt2->wq_sem);
- if (err)
- goto out;
-
- err = mutex_lock_interruptible(&cinergyt2->sem);
- if (err)
- goto out_unlock1;
-
- if ((err = dvb_generic_open(inode, file)))
- goto out_unlock2;
-
- if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
- cinergyt2_sleep(cinergyt2, 0);
- schedule_delayed_work(&cinergyt2->query_work, HZ/2);
- }
-
- atomic_inc(&cinergyt2->inuse);
-
-out_unlock2:
- mutex_unlock(&cinergyt2->sem);
-out_unlock1:
- mutex_unlock(&cinergyt2->wq_sem);
-out:
- return err;
-}
-
-static void cinergyt2_unregister(struct cinergyt2 *cinergyt2)
-{
- 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 int cinergyt2_release (struct inode *inode, struct file *file)
-{
- struct dvb_device *dvbdev = file->private_data;
- struct cinergyt2 *cinergyt2 = dvbdev->priv;
-
- mutex_lock(&cinergyt2->wq_sem);
-
- if (!cinergyt2->disconnect_pending && (file->f_flags & O_ACCMODE) != O_RDONLY) {
- cancel_rearming_delayed_work(&cinergyt2->query_work);
-
- mutex_lock(&cinergyt2->sem);
- cinergyt2_sleep(cinergyt2, 1);
- mutex_unlock(&cinergyt2->sem);
- }
-
- mutex_unlock(&cinergyt2->wq_sem);
-
- if (atomic_dec_and_test(&cinergyt2->inuse) && cinergyt2->disconnect_pending) {
- warn("delayed unregister in release");
- cinergyt2_unregister(cinergyt2);
- }
-
- return dvb_generic_release(inode, file);
-}
-
-static unsigned int cinergyt2_poll (struct file *file, struct poll_table_struct *wait)
-{
- struct dvb_device *dvbdev = file->private_data;
- struct cinergyt2 *cinergyt2 = dvbdev->priv;
- unsigned int mask = 0;
-
- if (cinergyt2->disconnect_pending)
- return -EAGAIN;
- if (mutex_lock_interruptible(&cinergyt2->sem))
- return -ERESTARTSYS;
-
- poll_wait(file, &cinergyt2->poll_wq, wait);
-
- if (cinergyt2->pending_fe_events != 0)
- mask |= (POLLIN | POLLRDNORM | POLLPRI);
-
- mutex_unlock(&cinergyt2->sem);
-
- return mask;
-}
-
-
-static int cinergyt2_ioctl (struct inode *inode, struct file *file,
- unsigned cmd, unsigned long arg)
-{
- struct dvb_device *dvbdev = file->private_data;
- struct cinergyt2 *cinergyt2 = dvbdev->priv;
- struct dvbt_get_status_msg *stat = &cinergyt2->status;
- fe_status_t status = 0;
-
- switch (cmd) {
- case FE_GET_INFO:
- return copy_to_user((void __user*) arg, &cinergyt2_fe_info,
- sizeof(struct dvb_frontend_info));
-
- case FE_READ_STATUS:
- if (0xffff - le16_to_cpu(stat->gain) > 30)
- status |= FE_HAS_SIGNAL;
- if (stat->lock_bits & (1 << 6))
- status |= FE_HAS_LOCK;
- if (stat->lock_bits & (1 << 5))
- status |= FE_HAS_SYNC;
- if (stat->lock_bits & (1 << 4))
- status |= FE_HAS_CARRIER;
- if (stat->lock_bits & (1 << 1))
- status |= FE_HAS_VITERBI;
-
- return copy_to_user((void __user*) arg, &status, sizeof(status));
-
- case FE_READ_BER:
- return put_user(le32_to_cpu(stat->viterbi_error_rate),
- (__u32 __user *) arg);
-
- case FE_READ_SIGNAL_STRENGTH:
- return put_user(0xffff - le16_to_cpu(stat->gain),
- (__u16 __user *) arg);
-
- case FE_READ_SNR:
- return put_user((stat->snr << 8) | stat->snr,
- (__u16 __user *) arg);
-
- case FE_READ_UNCORRECTED_BLOCKS:
- {
- uint32_t unc_count;
-
- if (mutex_lock_interruptible(&cinergyt2->sem))
- return -ERESTARTSYS;
- unc_count = cinergyt2->uncorrected_block_count;
- cinergyt2->uncorrected_block_count = 0;
- mutex_unlock(&cinergyt2->sem);
-
- /* UNC are already converted to host byte order... */
- return put_user(unc_count,(__u32 __user *) arg);
- }
- case FE_SET_FRONTEND:
- {
- struct dvbt_set_parameters_msg *param = &cinergyt2->param;
- struct dvb_frontend_parameters p;
- int err;
-
- if ((file->f_flags & O_ACCMODE) == O_RDONLY)
- return -EPERM;
-
- if (copy_from_user(&p, (void __user*) arg, sizeof(p)))
- return -EFAULT;
-
- if (cinergyt2->disconnect_pending)
- return -EAGAIN;
- if (mutex_lock_interruptible(&cinergyt2->sem))
- return -ERESTARTSYS;
-
- param->cmd = CINERGYT2_EP1_SET_TUNER_PARAMETERS;
- param->tps = cpu_to_le16(compute_tps(&p));
- param->freq = cpu_to_le32(p.frequency / 1000);
- param->bandwidth = 8 - p.u.ofdm.bandwidth - BANDWIDTH_8_MHZ;
-
- stat->lock_bits = 0;
- cinergyt2->pending_fe_events++;
- wake_up_interruptible(&cinergyt2->poll_wq);
-
- err = cinergyt2_command(cinergyt2,
- (char *) param, sizeof(*param),
- NULL, 0);
-
- mutex_unlock(&cinergyt2->sem);
-
- return (err < 0) ? err : 0;
- }
-
- case FE_GET_FRONTEND:
- /**
- * trivial to implement (see struct dvbt_get_status_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;
-
- case FE_GET_EVENT:
- {
- /**
- * for now we only fill the status field. the parameters
- * are trivial to fill as soon FE_GET_FRONTEND is done.
- */
- struct dvb_frontend_event __user *e = (void __user *) arg;
- if (cinergyt2->pending_fe_events == 0) {
- if (file->f_flags & O_NONBLOCK)
- return -EWOULDBLOCK;
- wait_event_interruptible(cinergyt2->poll_wq,
- cinergyt2->pending_fe_events > 0);
- }
- cinergyt2->pending_fe_events = 0;
- return cinergyt2_ioctl(inode, file, FE_READ_STATUS,
- (unsigned long) &e->status);
- }
-
- default:
- ;
- }
-
- return -EINVAL;
-}
-
-static int cinergyt2_mmap(struct file *file, struct vm_area_struct *vma)
-{
- struct dvb_device *dvbdev = file->private_data;
- struct cinergyt2 *cinergyt2 = dvbdev->priv;
- int ret = 0;
-
- lock_kernel();
-
- if (vma->vm_flags & (VM_WRITE | VM_EXEC)) {
- ret = -EPERM;
- goto bailout;
- }
-
- if (vma->vm_end > vma->vm_start + STREAM_URB_COUNT * STREAM_BUF_SIZE) {
- ret = -EINVAL;
- goto bailout;
- }
-
- vma->vm_flags |= (VM_IO | VM_DONTCOPY);
- vma->vm_file = file;
-
- ret = remap_pfn_range(vma, vma->vm_start,
- virt_to_phys(cinergyt2->streambuf) >> PAGE_SHIFT,
- vma->vm_end - vma->vm_start,
- vma->vm_page_prot) ? -EAGAIN : 0;
-bailout:
- unlock_kernel();
- return ret;
-}
-
-static struct file_operations cinergyt2_fops = {
- .owner = THIS_MODULE,
- .ioctl = cinergyt2_ioctl,
- .poll = cinergyt2_poll,
- .open = cinergyt2_open,
- .release = cinergyt2_release,
- .mmap = cinergyt2_mmap
-};
-
-static struct dvb_device cinergyt2_fe_template = {
- .users = ~0,
- .writers = 1,
- .readers = (~0)-1,
- .fops = &cinergyt2_fops
-};
-
-#ifdef ENABLE_RC
-
-static void cinergyt2_query_rc (struct work_struct *work)
-{
- struct cinergyt2 *cinergyt2 =
- container_of(work, struct cinergyt2, rc_query_work.work);
- char buf[1] = { CINERGYT2_EP1_GET_RC_EVENTS };
- struct cinergyt2_rc_event rc_events[12];
- int n, len, i;
-
- if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
- return;
-
- len = cinergyt2_command(cinergyt2, buf, sizeof(buf),
- (char *) rc_events, sizeof(rc_events));
- if (len < 0)
- goto out;
- if (len == 0) {
- if (time_after(jiffies, cinergyt2->last_event_jiffies +
- msecs_to_jiffies(150))) {
- /* stop key repeat */
- if (cinergyt2->rc_input_event != KEY_MAX) {
- dprintk(1, "rc_input_event=%d Up\n", cinergyt2->rc_input_event);
- input_report_key(cinergyt2->rc_input_dev,
- cinergyt2->rc_input_event, 0);
- input_sync(cinergyt2->rc_input_dev);
- cinergyt2->rc_input_event = KEY_MAX;
- }
- cinergyt2->rc_last_code = cpu_to_le32(~0);
- }
- goto out;
- }
- cinergyt2->last_event_jiffies = jiffies;
-
- for (n = 0; n < (len / sizeof(rc_events[0])); n++) {
- dprintk(1, "rc_events[%d].value = %x, type=%x\n",
- n, le32_to_cpu(rc_events[n].value), rc_events[n].type);
-
- if (rc_events[n].type == CINERGYT2_RC_EVENT_TYPE_NEC &&
- rc_events[n].value == cpu_to_le32(~0)) {
- /* keyrepeat bit -> just repeat last rc_input_event */
- } else {
- cinergyt2->rc_input_event = KEY_MAX;
- for (i = 0; i < ARRAY_SIZE(rc_keys); i += 3) {
- if (rc_keys[i + 0] == rc_events[n].type &&
- rc_keys[i + 1] == le32_to_cpu(rc_events[n].value)) {
- cinergyt2->rc_input_event = rc_keys[i + 2];
- break;
- }
- }
- }
-
- if (cinergyt2->rc_input_event != KEY_MAX) {
- if (rc_events[n].value == cinergyt2->rc_last_code &&
- cinergyt2->rc_last_code != cpu_to_le32(~0)) {
- /* emit a key-up so the double event is recognized */
- dprintk(1, "rc_input_event=%d UP\n", cinergyt2->rc_input_event);
- input_report_key(cinergyt2->rc_input_dev,
- cinergyt2->rc_input_event, 0);
- }
- dprintk(1, "rc_input_event=%d\n", cinergyt2->rc_input_event);
- input_report_key(cinergyt2->rc_input_dev,
- cinergyt2->rc_input_event, 1);
- input_sync(cinergyt2->rc_input_dev);
- cinergyt2->rc_last_code = rc_events[n].value;
- }
- }
-
-out:
- schedule_delayed_work(&cinergyt2->rc_query_work,
- msecs_to_jiffies(RC_QUERY_INTERVAL));
-
- mutex_unlock(&cinergyt2->sem);
-}
-
-static int cinergyt2_register_rc(struct cinergyt2 *cinergyt2)
-{
- struct input_dev *input_dev;
- int i;
- int err;
-
- input_dev = input_allocate_device();
- if (!input_dev)
- return -ENOMEM;
-
- usb_make_path(cinergyt2->udev, cinergyt2->phys, sizeof(cinergyt2->phys));
- strlcat(cinergyt2->phys, "/input0", sizeof(cinergyt2->phys));
- cinergyt2->rc_input_event = KEY_MAX;
- cinergyt2->rc_last_code = cpu_to_le32(~0);
- INIT_DELAYED_WORK(&cinergyt2->rc_query_work, cinergyt2_query_rc);
-
- input_dev->name = DRIVER_NAME " remote control";
- input_dev->phys = cinergyt2->phys;
- input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP);
- for (i = 0; i < ARRAY_SIZE(rc_keys); i += 3)
- set_bit(rc_keys[i + 2], input_dev->keybit);
- input_dev->keycodesize = 0;
- input_dev->keycodemax = 0;
- input_dev->id.bustype = BUS_USB;
- input_dev->id.vendor = le16_to_cpu(cinergyt2->udev->descriptor.idVendor);
- input_dev->id.product = le16_to_cpu(cinergyt2->udev->descriptor.idProduct);
- input_dev->id.version = 1;
- input_dev->dev.parent = &cinergyt2->udev->dev;
-
- err = input_register_device(input_dev);
- if (err) {
- input_free_device(input_dev);
- return err;
- }
-
- cinergyt2->rc_input_dev = input_dev;
- schedule_delayed_work(&cinergyt2->rc_query_work, HZ/2);
-
- return 0;
-}
-
-static void cinergyt2_unregister_rc(struct cinergyt2 *cinergyt2)
-{
- cancel_rearming_delayed_work(&cinergyt2->rc_query_work);
- input_unregister_device(cinergyt2->rc_input_dev);
-}
-
-static inline void cinergyt2_suspend_rc(struct cinergyt2 *cinergyt2)
-{
- cancel_rearming_delayed_work(&cinergyt2->rc_query_work);
-}
-
-static inline void cinergyt2_resume_rc(struct cinergyt2 *cinergyt2)
-{
- schedule_delayed_work(&cinergyt2->rc_query_work, HZ/2);
-}
-
-#else
-
-static inline int cinergyt2_register_rc(struct cinergyt2 *cinergyt2) { return 0; }
-static inline void cinergyt2_unregister_rc(struct cinergyt2 *cinergyt2) { }
-static inline void cinergyt2_suspend_rc(struct cinergyt2 *cinergyt2) { }
-static inline void cinergyt2_resume_rc(struct cinergyt2 *cinergyt2) { }
-
-#endif /* ENABLE_RC */
-
-static void cinergyt2_query (struct work_struct *work)
-{
- struct cinergyt2 *cinergyt2 =
- container_of(work, struct cinergyt2, query_work.work);
- char cmd [] = { CINERGYT2_EP1_GET_TUNER_STATUS };
- struct dvbt_get_status_msg *s = &cinergyt2->status;
- uint8_t lock_bits;
-
- if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
- return;
-
- lock_bits = s->lock_bits;
-
- cinergyt2_command(cinergyt2, cmd, sizeof(cmd), (char *) s, sizeof(*s));
-
- cinergyt2->uncorrected_block_count +=
- le32_to_cpu(s->uncorrected_block_count);
-
- if (lock_bits != s->lock_bits) {
- wake_up_interruptible(&cinergyt2->poll_wq);
- cinergyt2->pending_fe_events++;
- }
-
- schedule_delayed_work(&cinergyt2->query_work,
- msecs_to_jiffies(QUERY_INTERVAL));
-
- mutex_unlock(&cinergyt2->sem);
-}
-
-static int cinergyt2_probe (struct usb_interface *intf,
- const struct usb_device_id *id)
-{
- struct cinergyt2 *cinergyt2;
- int err;
-
- if (!(cinergyt2 = kzalloc (sizeof(struct cinergyt2), GFP_KERNEL))) {
- dprintk(1, "out of memory?!?\n");
- return -ENOMEM;
- }
-
- usb_set_intfdata (intf, (void *) cinergyt2);
-
- mutex_init(&cinergyt2->sem);
- mutex_init(&cinergyt2->wq_sem);
- init_waitqueue_head (&cinergyt2->poll_wq);
- INIT_DELAYED_WORK(&cinergyt2->query_work, cinergyt2_query);
-
- cinergyt2->udev = interface_to_usbdev(intf);
- cinergyt2->param.cmd = CINERGYT2_EP1_SET_TUNER_PARAMETERS;
-
- if (cinergyt2_alloc_stream_urbs (cinergyt2) < 0) {
- dprintk(1, "unable to allocate stream urbs\n");
- kfree(cinergyt2);
- return -ENOMEM;
- }
-
- err = dvb_register_adapter(&cinergyt2->adapter, DRIVER_NAME,
- THIS_MODULE, &cinergyt2->udev->dev,
- adapter_nr);
- if (err < 0) {
- kfree(cinergyt2);
- return err;
- }
-
- 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);
-
- err = cinergyt2_register_rc(cinergyt2);
- if (err)
- goto bailout;
-
- return 0;
-
-bailout:
- dvb_net_release(&cinergyt2->dvbnet);
- 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);
-
- cinergyt2_unregister_rc(cinergyt2);
- cancel_rearming_delayed_work(&cinergyt2->query_work);
- wake_up_interruptible(&cinergyt2->poll_wq);
-
- cinergyt2->demux.dmx.close(&cinergyt2->demux.dmx);
- cinergyt2->disconnect_pending = 1;
-
- if (!atomic_read(&cinergyt2->inuse))
- cinergyt2_unregister(cinergyt2);
-}
-
-static int cinergyt2_suspend (struct usb_interface *intf, pm_message_t state)
-{
- struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf);
-
- if (cinergyt2->disconnect_pending)
- return -EAGAIN;
- if (mutex_lock_interruptible(&cinergyt2->wq_sem))
- return -ERESTARTSYS;
-
- cinergyt2_suspend_rc(cinergyt2);
- cancel_rearming_delayed_work(&cinergyt2->query_work);
-
- mutex_lock(&cinergyt2->sem);
- if (cinergyt2->streaming)
- cinergyt2_stop_stream_xfer(cinergyt2);
- cinergyt2_sleep(cinergyt2, 1);
- mutex_unlock(&cinergyt2->sem);
-
- mutex_unlock(&cinergyt2->wq_sem);
-
- return 0;
-}
-
-static int cinergyt2_resume (struct usb_interface *intf)
-{
- struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf);
- struct dvbt_set_parameters_msg *param = &cinergyt2->param;
- int err = -EAGAIN;
-
- if (cinergyt2->disconnect_pending)
- goto out;
- err = mutex_lock_interruptible(&cinergyt2->wq_sem);
- if (err)
- goto out;
-
- err = mutex_lock_interruptible(&cinergyt2->sem);
- if (err)
- goto out_unlock1;
-
- if (!cinergyt2->sleeping) {
- cinergyt2_sleep(cinergyt2, 0);
- cinergyt2_command(cinergyt2, (char *) param, sizeof(*param), NULL, 0);
- if (cinergyt2->streaming)
- cinergyt2_start_stream_xfer(cinergyt2);
- schedule_delayed_work(&cinergyt2->query_work, HZ/2);
- }
-
- cinergyt2_resume_rc(cinergyt2);
-
- mutex_unlock(&cinergyt2->sem);
-out_unlock1:
- mutex_unlock(&cinergyt2->wq_sem);
-out:
- return err;
-}
-
-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 = {
- .name = "cinergyT2",
- .probe = cinergyt2_probe,
- .disconnect = cinergyt2_disconnect,
- .suspend = cinergyt2_suspend,
- .resume = cinergyt2_resume,
- .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;
-}
-
-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");
--- /dev/null
+/*
+ * TerraTec Cinergy T2/qanu USB2 DVB-T adapter.
+ *
+ * Copyright (C) 2007 Tomi Orava (tomimo@ncircle.nullnet.fi)
+ *
+ * Based on the dvb-usb-framework code and the
+ * original Terratec Cinergy T2 driver by:
+ *
+ * Copyright (C) 2004 Daniel Mack <daniel@qanu.de> and
+ * Holger Waechtler <holger@qanu.de>
+ *
+ * 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 "cinergyT2.h"
+
+
+/* debug */
+int dvb_usb_cinergyt2_debug;
+int disable_remote;
+
+module_param_named(debug, dvb_usb_cinergyt2_debug, int, 0644);
+MODULE_PARM_DESC(debug, "set debugging level (1=info, xfer=2, rc=4 "
+ "(or-able)).");
+
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+
+/* We are missing a release hook with usb_device data */
+struct dvb_usb_device *cinergyt2_usb_device;
+
+static struct dvb_usb_device_properties cinergyt2_properties;
+
+static int cinergyt2_streaming_ctrl(struct dvb_usb_adapter *adap, int enable)
+{
+ char buf[] = { CINERGYT2_EP1_CONTROL_STREAM_TRANSFER, enable ? 1 : 0 };
+ char result[64];
+ return dvb_usb_generic_rw(adap->dev, buf, sizeof(buf), result,
+ sizeof(result), 0);
+}
+
+static int cinergyt2_power_ctrl(struct dvb_usb_device *d, int enable)
+{
+ char buf[] = { CINERGYT2_EP1_SLEEP_MODE, enable ? 0 : 1 };
+ char state[3];
+ return dvb_usb_generic_rw(d, buf, sizeof(buf), state, sizeof(state), 0);
+}
+
+static int cinergyt2_frontend_attach(struct dvb_usb_adapter *adap)
+{
+ char query[] = { CINERGYT2_EP1_GET_FIRMWARE_VERSION };
+ char state[3];
+ int ret;
+
+ adap->fe = cinergyt2_fe_attach(adap->dev);
+
+ ret = dvb_usb_generic_rw(adap->dev, query, sizeof(query), state,
+ sizeof(state), 0);
+ if (ret < 0) {
+ deb_rc("cinergyt2_power_ctrl() Failed to retrieve sleep "
+ "state info\n");
+ }
+
+ /* Copy this pointer as we are gonna need it in the release phase */
+ cinergyt2_usb_device = adap->dev;
+
+ return 0;
+}
+
+static struct dvb_usb_rc_key cinergyt2_rc_keys[] = {
+ { 0x04, 0x01, KEY_POWER },
+ { 0x04, 0x02, KEY_1 },
+ { 0x04, 0x03, KEY_2 },
+ { 0x04, 0x04, KEY_3 },
+ { 0x04, 0x05, KEY_4 },
+ { 0x04, 0x06, KEY_5 },
+ { 0x04, 0x07, KEY_6 },
+ { 0x04, 0x08, KEY_7 },
+ { 0x04, 0x09, KEY_8 },
+ { 0x04, 0x0a, KEY_9 },
+ { 0x04, 0x0c, KEY_0 },
+ { 0x04, 0x0b, KEY_VIDEO },
+ { 0x04, 0x0d, KEY_REFRESH },
+ { 0x04, 0x0e, KEY_SELECT },
+ { 0x04, 0x0f, KEY_EPG },
+ { 0x04, 0x10, KEY_UP },
+ { 0x04, 0x14, KEY_DOWN },
+ { 0x04, 0x11, KEY_LEFT },
+ { 0x04, 0x13, KEY_RIGHT },
+ { 0x04, 0x12, KEY_OK },
+ { 0x04, 0x15, KEY_TEXT },
+ { 0x04, 0x16, KEY_INFO },
+ { 0x04, 0x17, KEY_RED },
+ { 0x04, 0x18, KEY_GREEN },
+ { 0x04, 0x19, KEY_YELLOW },
+ { 0x04, 0x1a, KEY_BLUE },
+ { 0x04, 0x1c, KEY_VOLUMEUP },
+ { 0x04, 0x1e, KEY_VOLUMEDOWN },
+ { 0x04, 0x1d, KEY_MUTE },
+ { 0x04, 0x1b, KEY_CHANNELUP },
+ { 0x04, 0x1f, KEY_CHANNELDOWN },
+ { 0x04, 0x40, KEY_PAUSE },
+ { 0x04, 0x4c, KEY_PLAY },
+ { 0x04, 0x58, KEY_RECORD },
+ { 0x04, 0x54, KEY_PREVIOUS },
+ { 0x04, 0x48, KEY_STOP },
+ { 0x04, 0x5c, KEY_NEXT }
+};
+
+static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
+{
+ u8 key[5] = {0, 0, 0, 0, 0}, cmd = CINERGYT2_EP1_GET_RC_EVENTS;
+ *state = REMOTE_NO_KEY_PRESSED;
+
+ dvb_usb_generic_rw(d, &cmd, 1, key, sizeof(key), 0);
+ if (key[4] == 0xff)
+ return 0;
+
+ /* hack to pass checksum on the custom field (is set to 0xeb) */
+ key[2] = ~0x04;
+ dvb_usb_nec_rc_key_to_event(d, key, event, state);
+ if (key[0] != 0)
+ deb_info("key: %x %x %x %x %x\n",
+ key[0], key[1], key[2], key[3], key[4]);
+
+ return 0;
+}
+
+static int cinergyt2_usb_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ return dvb_usb_device_init(intf, &cinergyt2_properties,
+ THIS_MODULE, NULL, adapter_nr);
+}
+
+
+static struct usb_device_id cinergyt2_usb_table[] = {
+ { USB_DEVICE(USB_VID_TERRATEC, 0x0038) },
+ { 0 }
+};
+
+MODULE_DEVICE_TABLE(usb, cinergyt2_usb_table);
+
+static struct dvb_usb_device_properties cinergyt2_properties = {
+
+ .num_adapters = 1,
+ .adapter = {
+ {
+ .streaming_ctrl = cinergyt2_streaming_ctrl,
+ .frontend_attach = cinergyt2_frontend_attach,
+
+ /* parameter for the MPEG2-data transfer */
+ .stream = {
+ .type = USB_BULK,
+ .count = 5,
+ .endpoint = 0x02,
+ .u = {
+ .bulk = {
+ .buffersize = 512,
+ }
+ }
+ },
+ }
+ },
+
+ .power_ctrl = cinergyt2_power_ctrl,
+
+ .rc_interval = 50,
+ .rc_key_map = cinergyt2_rc_keys,
+ .rc_key_map_size = ARRAY_SIZE(cinergyt2_rc_keys),
+ .rc_query = cinergyt2_rc_query,
+
+ .generic_bulk_ctrl_endpoint = 1,
+
+ .num_device_descs = 1,
+ .devices = {
+ { .name = "TerraTec/qanu USB2.0 Highspeed DVB-T Receiver",
+ .cold_ids = {NULL},
+ .warm_ids = { &cinergyt2_usb_table[0], NULL },
+ },
+ { NULL },
+ }
+};
+
+
+static struct usb_driver cinergyt2_driver = {
+ .name = "cinergyT2",
+ .probe = cinergyt2_usb_probe,
+ .disconnect = dvb_usb_device_exit,
+ .id_table = cinergyt2_usb_table
+};
+
+static int __init cinergyt2_usb_init(void)
+{
+ int err;
+
+ err = usb_register(&cinergyt2_driver);
+ if (err) {
+ err("usb_register() failed! (err %i)\n", err);
+ return err;
+ }
+ return 0;
+}
+
+static void __exit cinergyt2_usb_exit(void)
+{
+ usb_deregister(&cinergyt2_driver);
+}
+
+module_init(cinergyt2_usb_init);
+module_exit(cinergyt2_usb_exit);
+
+MODULE_DESCRIPTION("Terratec Cinergy T2 DVB-T driver");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Tomi Orava");
--- /dev/null
+/*
+ * TerraTec Cinergy T2/qanu USB2 DVB-T adapter.
+ *
+ * Copyright (C) 2007 Tomi Orava (tomimo@ncircle.nullnet.fi)
+ *
+ * Based on the dvb-usb-framework code and the
+ * original Terratec Cinergy T2 driver by:
+ *
+ * Copyright (C) 2004 Daniel Mack <daniel@qanu.de> and
+ * Holger Waechtler <holger@qanu.de>
+ *
+ * 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 "cinergyT2.h"
+
+
+/**
+ * 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 *p)
+{
+ struct dvb_ofdm_parameters *op = &p->u.ofdm;
+ uint16_t tps = 0;
+
+ 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 cinergyt2_fe_state {
+ struct dvb_frontend fe;
+ struct dvb_usb_device *d;
+};
+
+static int cinergyt2_fe_read_status(struct dvb_frontend *fe,
+ fe_status_t *status)
+{
+ struct cinergyt2_fe_state *state = fe->demodulator_priv;
+ struct dvbt_get_status_msg result;
+ u8 cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS };
+ int ret;
+
+ ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (u8 *)&result,
+ sizeof(result), 0);
+ if (ret < 0)
+ return ret;
+
+ *status = 0;
+
+ if (0xffff - le16_to_cpu(result.gain) > 30)
+ *status |= FE_HAS_SIGNAL;
+ if (result.lock_bits & (1 << 6))
+ *status |= FE_HAS_LOCK;
+ if (result.lock_bits & (1 << 5))
+ *status |= FE_HAS_SYNC;
+ if (result.lock_bits & (1 << 4))
+ *status |= FE_HAS_CARRIER;
+ if (result.lock_bits & (1 << 1))
+ *status |= FE_HAS_VITERBI;
+
+ if ((*status & (FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC)) !=
+ (FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC))
+ *status &= ~FE_HAS_LOCK;
+
+ return 0;
+}
+
+static int cinergyt2_fe_read_ber(struct dvb_frontend *fe, u32 *ber)
+{
+ struct cinergyt2_fe_state *state = fe->demodulator_priv;
+ struct dvbt_get_status_msg status;
+ char cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS };
+ int ret;
+
+ ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (char *)&status,
+ sizeof(status), 0);
+ if (ret < 0)
+ return ret;
+
+ *ber = le32_to_cpu(status.viterbi_error_rate);
+ return 0;
+}
+
+static int cinergyt2_fe_read_unc_blocks(struct dvb_frontend *fe, u32 *unc)
+{
+ struct cinergyt2_fe_state *state = fe->demodulator_priv;
+ struct dvbt_get_status_msg status;
+ u8 cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS };
+ int ret;
+
+ ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (u8 *)&status,
+ sizeof(status), 0);
+ if (ret < 0) {
+ err("cinergyt2_fe_read_unc_blocks() Failed! (Error=%d)\n",
+ ret);
+ return ret;
+ }
+ *unc = le32_to_cpu(status.uncorrected_block_count);
+ return 0;
+}
+
+static int cinergyt2_fe_read_signal_strength(struct dvb_frontend *fe,
+ u16 *strength)
+{
+ struct cinergyt2_fe_state *state = fe->demodulator_priv;
+ struct dvbt_get_status_msg status;
+ char cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS };
+ int ret;
+
+ ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (char *)&status,
+ sizeof(status), 0);
+ if (ret < 0) {
+ err("cinergyt2_fe_read_signal_strength() Failed!"
+ " (Error=%d)\n", ret);
+ return ret;
+ }
+ *strength = (0xffff - le16_to_cpu(status.gain));
+ return 0;
+}
+
+static int cinergyt2_fe_read_snr(struct dvb_frontend *fe, u16 *snr)
+{
+ struct cinergyt2_fe_state *state = fe->demodulator_priv;
+ struct dvbt_get_status_msg status;
+ char cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS };
+ int ret;
+
+ ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (char *)&status,
+ sizeof(status), 0);
+ if (ret < 0) {
+ err("cinergyt2_fe_read_snr() Failed! (Error=%d)\n", ret);
+ return ret;
+ }
+ *snr = (status.snr << 8) | status.snr;
+ return 0;
+}
+
+static int cinergyt2_fe_init(struct dvb_frontend *fe)
+{
+ return 0;
+}
+
+static int cinergyt2_fe_sleep(struct dvb_frontend *fe)
+{
+ deb_info("cinergyt2_fe_sleep() Called\n");
+ return 0;
+}
+
+static int cinergyt2_fe_get_tune_settings(struct dvb_frontend *fe,
+ struct dvb_frontend_tune_settings *tune)
+{
+ tune->min_delay_ms = 800;
+ return 0;
+}
+
+static int cinergyt2_fe_set_frontend(struct dvb_frontend *fe,
+ struct dvb_frontend_parameters *fep)
+{
+ struct cinergyt2_fe_state *state = fe->demodulator_priv;
+ struct dvbt_set_parameters_msg param;
+ char result[2];
+ int err;
+
+ param.cmd = CINERGYT2_EP1_SET_TUNER_PARAMETERS;
+ param.tps = cpu_to_le16(compute_tps(fep));
+ param.freq = cpu_to_le32(fep->frequency / 1000);
+ param.bandwidth = 8 - fep->u.ofdm.bandwidth - BANDWIDTH_8_MHZ;
+
+ err = dvb_usb_generic_rw(state->d,
+ (char *)¶m, sizeof(param),
+ result, sizeof(result), 0);
+ if (err < 0)
+ err("cinergyt2_fe_set_frontend() Failed! err=%d\n", err);
+
+ return (err < 0) ? err : 0;
+}
+
+static int cinergyt2_fe_get_frontend(struct dvb_frontend *fe,
+ struct dvb_frontend_parameters *fep)
+{
+ return 0;
+}
+
+static void cinergyt2_fe_release(struct dvb_frontend *fe)
+{
+ struct cinergyt2_fe_state *state = fe->demodulator_priv;
+ if (state != NULL)
+ kfree(state);
+}
+
+static struct dvb_frontend_ops cinergyt2_fe_ops;
+
+struct dvb_frontend *cinergyt2_fe_attach(struct dvb_usb_device *d)
+{
+ struct cinergyt2_fe_state *s = kzalloc(sizeof(
+ struct cinergyt2_fe_state), GFP_KERNEL);
+ if (s == NULL)
+ return NULL;
+
+ s->d = d;
+ memcpy(&s->fe.ops, &cinergyt2_fe_ops, sizeof(struct dvb_frontend_ops));
+ s->fe.demodulator_priv = s;
+ return &s->fe;
+}
+
+
+static struct dvb_frontend_ops cinergyt2_fe_ops = {
+ .info = {
+ .name = DRIVER_NAME,
+ .type = FE_OFDM,
+ .frequency_min = 174000000,
+ .frequency_max = 862000000,
+ .frequency_stepsize = 166667,
+ .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
+ },
+
+ .release = cinergyt2_fe_release,
+
+ .init = cinergyt2_fe_init,
+ .sleep = cinergyt2_fe_sleep,
+
+ .set_frontend = cinergyt2_fe_set_frontend,
+ .get_frontend = cinergyt2_fe_get_frontend,
+ .get_tune_settings = cinergyt2_fe_get_tune_settings,
+
+ .read_status = cinergyt2_fe_read_status,
+ .read_ber = cinergyt2_fe_read_ber,
+ .read_signal_strength = cinergyt2_fe_read_signal_strength,
+ .read_snr = cinergyt2_fe_read_snr,
+ .read_ucblocks = cinergyt2_fe_read_unc_blocks,
+};
projects / openwrt / staging / blogic.git / commitdiff