1071 lines
28 KiB
C
1071 lines
28 KiB
C
/*
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* TerraTec Cinergy T²/qanu USB2 DVB-T adapter.
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*
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* Copyright (C) 2004 Daniel Mack <daniel@qanu.de> and
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* Holger Waechtler <holger@qanu.de>
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*
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* Protocol Spec published on http://qanu.de/specs/terratec_cinergyT2.pdf
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/usb.h>
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#include <linux/input.h>
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#include <linux/dvb/frontend.h>
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#include <linux/mutex.h>
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#include <linux/mm.h>
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#include <asm/io.h>
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#include "dmxdev.h"
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#include "dvb_demux.h"
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#include "dvb_net.h"
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#ifdef CONFIG_DVB_CINERGYT2_TUNING
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#define STREAM_URB_COUNT (CONFIG_DVB_CINERGYT2_STREAM_URB_COUNT)
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#define STREAM_BUF_SIZE (CONFIG_DVB_CINERGYT2_STREAM_BUF_SIZE)
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#define QUERY_INTERVAL (CONFIG_DVB_CINERGYT2_QUERY_INTERVAL)
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#ifdef CONFIG_DVB_CINERGYT2_ENABLE_RC_INPUT_DEVICE
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#define RC_QUERY_INTERVAL (CONFIG_DVB_CINERGYT2_RC_QUERY_INTERVAL)
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#define ENABLE_RC (1)
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#endif
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#else
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#define STREAM_URB_COUNT (32)
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#define STREAM_BUF_SIZE (512) /* bytes */
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#define ENABLE_RC (1)
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#define RC_QUERY_INTERVAL (50) /* milliseconds */
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#define QUERY_INTERVAL (333) /* milliseconds */
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#endif
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#define DRIVER_NAME "TerraTec/qanu USB2.0 Highspeed DVB-T Receiver"
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static int debug;
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module_param_named(debug, debug, int, 0644);
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MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
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#define dprintk(level, args...) \
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do { \
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if ((debug & level)) { \
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printk("%s: %s(): ", KBUILD_MODNAME, \
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__FUNCTION__); \
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printk(args); } \
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} while (0)
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enum cinergyt2_ep1_cmd {
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CINERGYT2_EP1_PID_TABLE_RESET = 0x01,
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CINERGYT2_EP1_PID_SETUP = 0x02,
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CINERGYT2_EP1_CONTROL_STREAM_TRANSFER = 0x03,
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CINERGYT2_EP1_SET_TUNER_PARAMETERS = 0x04,
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CINERGYT2_EP1_GET_TUNER_STATUS = 0x05,
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CINERGYT2_EP1_START_SCAN = 0x06,
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CINERGYT2_EP1_CONTINUE_SCAN = 0x07,
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CINERGYT2_EP1_GET_RC_EVENTS = 0x08,
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CINERGYT2_EP1_SLEEP_MODE = 0x09
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};
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struct dvbt_set_parameters_msg {
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uint8_t cmd;
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uint32_t freq;
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uint8_t bandwidth;
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uint16_t tps;
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uint8_t flags;
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} __attribute__((packed));
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struct dvbt_get_status_msg {
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uint32_t freq;
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uint8_t bandwidth;
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uint16_t tps;
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uint8_t flags;
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uint16_t gain;
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uint8_t snr;
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uint32_t viterbi_error_rate;
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uint32_t rs_error_rate;
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uint32_t uncorrected_block_count;
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uint8_t lock_bits;
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uint8_t prev_lock_bits;
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} __attribute__((packed));
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static struct dvb_frontend_info cinergyt2_fe_info = {
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.name = DRIVER_NAME,
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.type = FE_OFDM,
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.frequency_min = 174000000,
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.frequency_max = 862000000,
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.frequency_stepsize = 166667,
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.caps = FE_CAN_INVERSION_AUTO | FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 |
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FE_CAN_FEC_3_4 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 |
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FE_CAN_FEC_AUTO |
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FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO |
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FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO |
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FE_CAN_HIERARCHY_AUTO | FE_CAN_RECOVER | FE_CAN_MUTE_TS
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};
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struct cinergyt2 {
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struct dvb_demux demux;
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struct usb_device *udev;
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struct mutex sem;
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struct dvb_adapter adapter;
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struct dvb_device *fedev;
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struct dmxdev dmxdev;
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struct dvb_net dvbnet;
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int streaming;
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int sleeping;
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struct dvbt_set_parameters_msg param;
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struct dvbt_get_status_msg status;
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struct delayed_work query_work;
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wait_queue_head_t poll_wq;
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int pending_fe_events;
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int disconnect_pending;
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atomic_t inuse;
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void *streambuf;
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dma_addr_t streambuf_dmahandle;
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struct urb *stream_urb [STREAM_URB_COUNT];
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#ifdef ENABLE_RC
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struct input_dev *rc_input_dev;
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char phys[64];
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struct delayed_work rc_query_work;
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int rc_input_event;
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u32 rc_last_code;
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unsigned long last_event_jiffies;
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#endif
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};
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enum {
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CINERGYT2_RC_EVENT_TYPE_NONE = 0x00,
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CINERGYT2_RC_EVENT_TYPE_NEC = 0x01,
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CINERGYT2_RC_EVENT_TYPE_RC5 = 0x02
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};
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struct cinergyt2_rc_event {
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char type;
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uint32_t value;
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} __attribute__((packed));
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static const uint32_t rc_keys[] = {
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xfe01eb04, KEY_POWER,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xfd02eb04, KEY_1,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xfc03eb04, KEY_2,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xfb04eb04, KEY_3,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xfa05eb04, KEY_4,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xf906eb04, KEY_5,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xf807eb04, KEY_6,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xf708eb04, KEY_7,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xf609eb04, KEY_8,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xf50aeb04, KEY_9,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xf30ceb04, KEY_0,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xf40beb04, KEY_VIDEO,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xf20deb04, KEY_REFRESH,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xf10eeb04, KEY_SELECT,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xf00feb04, KEY_EPG,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xef10eb04, KEY_UP,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xeb14eb04, KEY_DOWN,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xee11eb04, KEY_LEFT,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xec13eb04, KEY_RIGHT,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xed12eb04, KEY_OK,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xea15eb04, KEY_TEXT,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xe916eb04, KEY_INFO,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xe817eb04, KEY_RED,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xe718eb04, KEY_GREEN,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xe619eb04, KEY_YELLOW,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xe51aeb04, KEY_BLUE,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xe31ceb04, KEY_VOLUMEUP,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xe11eeb04, KEY_VOLUMEDOWN,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xe21deb04, KEY_MUTE,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xe41beb04, KEY_CHANNELUP,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xe01feb04, KEY_CHANNELDOWN,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xbf40eb04, KEY_PAUSE,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xb34ceb04, KEY_PLAY,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xa758eb04, KEY_RECORD,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xab54eb04, KEY_PREVIOUS,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xb748eb04, KEY_STOP,
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CINERGYT2_RC_EVENT_TYPE_NEC, 0xa35ceb04, KEY_NEXT
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};
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static int cinergyt2_command (struct cinergyt2 *cinergyt2,
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char *send_buf, int send_buf_len,
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char *recv_buf, int recv_buf_len)
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{
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int actual_len;
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char dummy;
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int ret;
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ret = usb_bulk_msg(cinergyt2->udev, usb_sndbulkpipe(cinergyt2->udev, 1),
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send_buf, send_buf_len, &actual_len, 1000);
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if (ret)
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dprintk(1, "usb_bulk_msg (send) failed, err %i\n", ret);
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if (!recv_buf)
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recv_buf = &dummy;
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ret = usb_bulk_msg(cinergyt2->udev, usb_rcvbulkpipe(cinergyt2->udev, 1),
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recv_buf, recv_buf_len, &actual_len, 1000);
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if (ret)
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dprintk(1, "usb_bulk_msg (read) failed, err %i\n", ret);
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return ret ? ret : actual_len;
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}
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static void cinergyt2_control_stream_transfer (struct cinergyt2 *cinergyt2, int enable)
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{
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char buf [] = { CINERGYT2_EP1_CONTROL_STREAM_TRANSFER, enable ? 1 : 0 };
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cinergyt2_command(cinergyt2, buf, sizeof(buf), NULL, 0);
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}
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static void cinergyt2_sleep (struct cinergyt2 *cinergyt2, int sleep)
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{
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char buf [] = { CINERGYT2_EP1_SLEEP_MODE, sleep ? 1 : 0 };
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cinergyt2_command(cinergyt2, buf, sizeof(buf), NULL, 0);
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cinergyt2->sleeping = sleep;
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}
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static void cinergyt2_stream_irq (struct urb *urb);
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static int cinergyt2_submit_stream_urb (struct cinergyt2 *cinergyt2, struct urb *urb)
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{
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int err;
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usb_fill_bulk_urb(urb,
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cinergyt2->udev,
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usb_rcvbulkpipe(cinergyt2->udev, 0x2),
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urb->transfer_buffer,
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STREAM_BUF_SIZE,
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cinergyt2_stream_irq,
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cinergyt2);
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if ((err = usb_submit_urb(urb, GFP_ATOMIC)))
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dprintk(1, "urb submission failed (err = %i)!\n", err);
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return err;
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}
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static void cinergyt2_stream_irq (struct urb *urb)
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{
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struct cinergyt2 *cinergyt2 = urb->context;
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if (urb->actual_length > 0)
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dvb_dmx_swfilter(&cinergyt2->demux,
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urb->transfer_buffer, urb->actual_length);
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if (cinergyt2->streaming)
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cinergyt2_submit_stream_urb(cinergyt2, urb);
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}
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static void cinergyt2_free_stream_urbs (struct cinergyt2 *cinergyt2)
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{
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int i;
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for (i=0; i<STREAM_URB_COUNT; i++)
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usb_free_urb(cinergyt2->stream_urb[i]);
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usb_buffer_free(cinergyt2->udev, STREAM_URB_COUNT*STREAM_BUF_SIZE,
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cinergyt2->streambuf, cinergyt2->streambuf_dmahandle);
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}
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static int cinergyt2_alloc_stream_urbs (struct cinergyt2 *cinergyt2)
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{
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int i;
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cinergyt2->streambuf = usb_buffer_alloc(cinergyt2->udev, STREAM_URB_COUNT*STREAM_BUF_SIZE,
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GFP_KERNEL, &cinergyt2->streambuf_dmahandle);
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if (!cinergyt2->streambuf) {
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dprintk(1, "failed to alloc consistent stream memory area, bailing out!\n");
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return -ENOMEM;
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}
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memset(cinergyt2->streambuf, 0, STREAM_URB_COUNT*STREAM_BUF_SIZE);
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for (i=0; i<STREAM_URB_COUNT; i++) {
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struct urb *urb;
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if (!(urb = usb_alloc_urb(0, GFP_ATOMIC))) {
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dprintk(1, "failed to alloc consistent stream urbs, bailing out!\n");
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cinergyt2_free_stream_urbs(cinergyt2);
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return -ENOMEM;
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}
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urb->transfer_buffer = cinergyt2->streambuf + i * STREAM_BUF_SIZE;
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urb->transfer_buffer_length = STREAM_BUF_SIZE;
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cinergyt2->stream_urb[i] = urb;
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}
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return 0;
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}
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static void cinergyt2_stop_stream_xfer (struct cinergyt2 *cinergyt2)
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{
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int i;
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cinergyt2_control_stream_transfer(cinergyt2, 0);
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for (i=0; i<STREAM_URB_COUNT; i++)
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usb_kill_urb(cinergyt2->stream_urb[i]);
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}
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static int cinergyt2_start_stream_xfer (struct cinergyt2 *cinergyt2)
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{
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int i, err;
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for (i=0; i<STREAM_URB_COUNT; i++) {
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if ((err = cinergyt2_submit_stream_urb(cinergyt2, cinergyt2->stream_urb[i]))) {
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cinergyt2_stop_stream_xfer(cinergyt2);
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dprintk(1, "failed urb submission (%i: err = %i)!\n", i, err);
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return err;
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}
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}
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cinergyt2_control_stream_transfer(cinergyt2, 1);
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return 0;
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}
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static int cinergyt2_start_feed(struct dvb_demux_feed *dvbdmxfeed)
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{
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struct dvb_demux *demux = dvbdmxfeed->demux;
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struct cinergyt2 *cinergyt2 = demux->priv;
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if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
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return -ERESTARTSYS;
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if (cinergyt2->streaming == 0)
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cinergyt2_start_stream_xfer(cinergyt2);
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cinergyt2->streaming++;
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mutex_unlock(&cinergyt2->sem);
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return 0;
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}
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static int cinergyt2_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
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{
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struct dvb_demux *demux = dvbdmxfeed->demux;
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struct cinergyt2 *cinergyt2 = demux->priv;
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if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
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return -ERESTARTSYS;
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if (--cinergyt2->streaming == 0)
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cinergyt2_stop_stream_xfer(cinergyt2);
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mutex_unlock(&cinergyt2->sem);
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return 0;
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}
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/**
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* convert linux-dvb frontend parameter set into TPS.
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* See ETSI ETS-300744, section 4.6.2, table 9 for details.
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*
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* This function is probably reusable and may better get placed in a support
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* library.
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*
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* We replace errornous fields by default TPS fields (the ones with value 0).
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*/
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static uint16_t compute_tps (struct dvb_frontend_parameters *p)
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{
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struct dvb_ofdm_parameters *op = &p->u.ofdm;
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uint16_t tps = 0;
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switch (op->code_rate_HP) {
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case FEC_2_3:
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tps |= (1 << 7);
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break;
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case FEC_3_4:
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tps |= (2 << 7);
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break;
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case FEC_5_6:
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tps |= (3 << 7);
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break;
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case FEC_7_8:
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tps |= (4 << 7);
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break;
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case FEC_1_2:
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case FEC_AUTO:
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default:
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/* tps |= (0 << 7) */;
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}
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switch (op->code_rate_LP) {
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case FEC_2_3:
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tps |= (1 << 4);
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break;
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case FEC_3_4:
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tps |= (2 << 4);
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break;
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case FEC_5_6:
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tps |= (3 << 4);
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break;
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case FEC_7_8:
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tps |= (4 << 4);
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break;
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case FEC_1_2:
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case FEC_AUTO:
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default:
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/* tps |= (0 << 4) */;
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}
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switch (op->constellation) {
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case QAM_16:
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tps |= (1 << 13);
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break;
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case QAM_64:
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tps |= (2 << 13);
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break;
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case QPSK:
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default:
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/* tps |= (0 << 13) */;
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}
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switch (op->transmission_mode) {
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case TRANSMISSION_MODE_8K:
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tps |= (1 << 0);
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break;
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case TRANSMISSION_MODE_2K:
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default:
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/* tps |= (0 << 0) */;
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}
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switch (op->guard_interval) {
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case GUARD_INTERVAL_1_16:
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tps |= (1 << 2);
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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 = -ERESTARTSYS;
|
|
|
|
if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
|
|
return -ERESTARTSYS;
|
|
|
|
if ((err = dvb_generic_open(inode, file))) {
|
|
mutex_unlock(&cinergyt2->sem);
|
|
return err;
|
|
}
|
|
|
|
|
|
if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
|
|
cinergyt2_sleep(cinergyt2, 0);
|
|
schedule_delayed_work(&cinergyt2->query_work, HZ/2);
|
|
}
|
|
|
|
atomic_inc(&cinergyt2->inuse);
|
|
|
|
mutex_unlock(&cinergyt2->sem);
|
|
return 0;
|
|
}
|
|
|
|
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->sem);
|
|
|
|
if (!cinergyt2->disconnect_pending && (file->f_flags & O_ACCMODE) != O_RDONLY) {
|
|
cancel_delayed_work(&cinergyt2->query_work);
|
|
flush_scheduled_work();
|
|
cinergyt2_sleep(cinergyt2, 1);
|
|
}
|
|
|
|
mutex_unlock(&cinergyt2->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 || 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;
|
|
|
|
unc_count = stat->uncorrected_block_count;
|
|
stat->uncorrected_block_count = 0;
|
|
|
|
/* 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 || 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 = ~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 == ~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 != ~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 = ~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(EV_KEY) | BIT(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 = cinergyt2->udev->descriptor.idVendor;
|
|
input_dev->id.product = cinergyt2->udev->descriptor.idProduct;
|
|
input_dev->id.version = 1;
|
|
input_dev->cdev.dev = &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_delayed_work(&cinergyt2->rc_query_work);
|
|
input_unregister_device(cinergyt2->rc_input_dev);
|
|
}
|
|
|
|
static inline void cinergyt2_suspend_rc(struct cinergyt2 *cinergyt2)
|
|
{
|
|
cancel_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;
|
|
uint32_t unc;
|
|
|
|
if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
|
|
return;
|
|
|
|
unc = s->uncorrected_block_count;
|
|
lock_bits = s->lock_bits;
|
|
|
|
cinergyt2_command(cinergyt2, cmd, sizeof(cmd), (char *) s, sizeof(*s));
|
|
|
|
unc += le32_to_cpu(s->uncorrected_block_count);
|
|
s->uncorrected_block_count = unc;
|
|
|
|
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 = 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);
|
|
|
|
mutex_init(&cinergyt2->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;
|
|
}
|
|
|
|
if ((err = dvb_register_adapter(&cinergyt2->adapter, DRIVER_NAME, THIS_MODULE, &cinergyt2->udev->dev)) < 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);
|
|
|
|
flush_scheduled_work();
|
|
|
|
cinergyt2_unregister_rc(cinergyt2);
|
|
|
|
cancel_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 || mutex_lock_interruptible(&cinergyt2->sem))
|
|
return -ERESTARTSYS;
|
|
|
|
if (1) {
|
|
struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf);
|
|
|
|
cinergyt2_suspend_rc(cinergyt2);
|
|
cancel_delayed_work(&cinergyt2->query_work);
|
|
if (cinergyt2->streaming)
|
|
cinergyt2_stop_stream_xfer(cinergyt2);
|
|
flush_scheduled_work();
|
|
cinergyt2_sleep(cinergyt2, 1);
|
|
}
|
|
|
|
mutex_unlock(&cinergyt2->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;
|
|
|
|
if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
|
|
return -ERESTARTSYS;
|
|
|
|
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);
|
|
return 0;
|
|
}
|
|
|
|
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");
|