[PATCH] dvb: drop obsolete dibusb driver

Remove the dibusb driver which has been obsoleted by the generalized dvb-usb
driver.
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/media/dvb/Kconfig

@@ -29,7 +29,6 @@ comment "Supported USB Adapters"
 	depends on DVB_CORE && USB
 source "drivers/media/dvb/ttusb-budget/Kconfig"
 source "drivers/media/dvb/ttusb-dec/Kconfig"
-source "drivers/media/dvb/dibusb/Kconfig"
 source "drivers/media/dvb/cinergyT2/Kconfig"
 
 comment "Supported FlexCopII (B2C2) Adapters"

drivers/media/dvb/Makefile

@@ -2,4 +2,4 @@
 # Makefile for the kernel multimedia device drivers.
 #
 
-obj-y        := dvb-core/ frontends/ ttpci/ ttusb-dec/ ttusb-budget/ b2c2/ bt8xx/ dibusb/ cinergyT2/
+obj-y        := dvb-core/ frontends/ ttpci/ ttusb-dec/ ttusb-budget/ b2c2/ bt8xx/ cinergyT2/

drivers/media/dvb/dibusb/Kconfig

-config DVB_DIBUSB
-	tristate "DiBcom USB DVB-T devices (see help for a complete device list)"
-	depends on DVB_CORE && USB
-	select FW_LOADER
-	select DVB_DIB3000MB
-	select DVB_DIB3000MC
-	select DVB_MT352
-	help
-	  Support for USB 1.1 and 2.0 DVB-T devices based on reference designs made by
-	  DiBcom (http://www.dibcom.fr) and C&E.
-
-	  Devices supported by this driver:
-
-	    TwinhanDTV USB-Ter (VP7041)
-		TwinhanDTV Magic Box (VP7041e)
-	    KWorld/JetWay/ADSTech V-Stream XPERT DTV - DVB-T USB1.1 and USB2.0
-	    Hama DVB-T USB-Box
-	    DiBcom reference devices (non-public)
-	    Ultima Electronic/Artec T1 USB TVBOX
-	    Compro Videomate DVB-U2000 - DVB-T USB
-	    Grandtec DVB-T USB
-	    Avermedia AverTV DVBT USB
-	    Artec T1 USB1.1 and USB2.0 boxes
-	    Yakumo/Typhoon DVB-T USB2.0
-	    Hanftek UMT-010 USB2.0
-	    Hauppauge WinTV NOVA-T USB2
-
-	  The VP7041 seems to be identical to "CTS Portable" (Chinese
-	  Television System).
-
-	  These devices can be understood as budget ones, they "only" deliver
-	  (a part of) the MPEG2 transport stream.
-
-	  A firmware is needed to get the device working. See Documentation/dvb/README.dibusb
-	  details.
-
-	  Say Y if you own such a device and want to use it. You should build it as
-	  a module.
-
-config DVB_DIBUSB_MISDESIGNED_DEVICES
-	bool "Enable support for some misdesigned (see help) devices, which identify with wrong IDs"
-	depends on DVB_DIBUSB
-	help
-	  Somehow Artec/Ultima Electronic forgot to program the eeprom of some of their
-	  USB1.1/USB2.0 devices.
-	  So comes that they identify with the default Vendor and Product ID of the Cypress
-	  CY7C64613 (AN2235) or Cypress FX2.
-
-	  Affected device IDs:
-	    0x0574:0x2235 (Artec T1 USB1.1, cold)
-	    0x04b4:0x8613 (Artec T1 USB2.0, cold)
-	    0x0574:0x1002 (Artec T1 USB2.0, warm)
-	    0x0574:0x2131 (aged DiBcom USB1.1 test device)
-
-	  Say Y if your device has one of the mentioned IDs.
-
-config DVB_DIBCOM_DEBUG
-	bool "Enable extended debug support for DiBcom USB device"
-	depends on DVB_DIBUSB
-	help
-	  Say Y if you want to enable debuging. See modinfo dvb-dibusb for
-	  debug levels.

drivers/media/dvb/dibusb/Makefile

-dvb-dibusb-objs = dvb-dibusb-core.o \
-	dvb-dibusb-dvb.o \
-	dvb-dibusb-fe-i2c.o \
-	dvb-dibusb-firmware.o \
-	dvb-dibusb-remote.o \
-	dvb-dibusb-usb.o \
-	dvb-fe-dtt200u.o
-
-obj-$(CONFIG_DVB_DIBUSB) += dvb-dibusb.o
-
-EXTRA_CFLAGS = -Idrivers/media/dvb/dvb-core/ -Idrivers/media/dvb/frontends/

drivers/media/dvb/dibusb/dvb-dibusb-dvb.c

-/*
- * dvb-dibusb-dvb.c is part of the driver for mobile USB Budget DVB-T devices 
- * based on reference design made by DiBcom (http://www.dibcom.fr/)
- *
- * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de)
- *
- * see dvb-dibusb-core.c for more copyright details.
- *
- * This file contains functions for initializing and handling the 
- * linux-dvb API.
- */
-#include "dvb-dibusb.h"
-
-#include <linux/usb.h>
-#include <linux/version.h>
-
-static u32 urb_compl_count;
-
-/*
- * MPEG2 TS DVB stuff 
- */
-void dibusb_urb_complete(struct urb *urb, struct pt_regs *ptregs)
-{
-	struct usb_dibusb *dib = urb->context;
-
-	deb_ts("urb complete feedcount: %d, status: %d, length: %d\n",dib->feedcount,urb->status,
-			urb->actual_length);
-
-	urb_compl_count++;
-	if (urb_compl_count % 1000 == 0)
-		deb_info("%d urbs completed so far.\n",urb_compl_count);
-
-	switch (urb->status) {
-		case 0:         /* success */
-		case -ETIMEDOUT:    /* NAK */
-			break;
-		case -ECONNRESET:   /* kill */
-		case -ENOENT:
-		case -ESHUTDOWN:
-			return;
-		default:        /* error */
-			deb_ts("urb completition error %d.", urb->status);
-			break;
-	}
-
-	if (dib->feedcount > 0 && urb->actual_length > 0) {
-		if (dib->init_state & DIBUSB_STATE_DVB)
-			dvb_dmx_swfilter(&dib->demux, (u8*) urb->transfer_buffer,urb->actual_length);
-	} else 
-		deb_ts("URB dropped because of feedcount.\n");
-
-	usb_submit_urb(urb,GFP_ATOMIC);
-}
-
-static int dibusb_ctrl_feed(struct dvb_demux_feed *dvbdmxfeed, int onoff) 
-{
-	struct usb_dibusb *dib = dvbdmxfeed->demux->priv;
-	int newfeedcount;
-	
-	if (dib == NULL)
-		return -ENODEV;
-
-	newfeedcount = dib->feedcount + (onoff ? 1 : -1);
-
-	/* 
-	 * stop feed before setting a new pid if there will be no pid anymore 
-	 */
-	if (newfeedcount == 0) {
-		deb_ts("stop feeding\n");
-		if (dib->xfer_ops.fifo_ctrl != NULL) {
-			if (dib->xfer_ops.fifo_ctrl(dib->fe,0)) {
-				err("error while inhibiting fifo.");
-				return -ENODEV;
-			}
-		}
-		dibusb_streaming(dib,0);
-	}
-	
-	dib->feedcount = newfeedcount;
-
-	/* activate the pid on the device specific pid_filter */
-	deb_ts("setting pid: %5d %04x at index %d '%s'\n",dvbdmxfeed->pid,dvbdmxfeed->pid,dvbdmxfeed->index,onoff ? "on" : "off");
-	if (dib->pid_parse && dib->xfer_ops.pid_ctrl != NULL)
-		dib->xfer_ops.pid_ctrl(dib->fe,dvbdmxfeed->index,dvbdmxfeed->pid,onoff);
-
-	/* 
-	 * start the feed if this was the first pid to set and there is still a pid
-	 * for reception.
-	 */
-	if (dib->feedcount == onoff && dib->feedcount > 0) {
-
-		deb_ts("controlling pid parser\n");
-		if (dib->xfer_ops.pid_parse != NULL) {
-			if (dib->xfer_ops.pid_parse(dib->fe,dib->pid_parse) < 0) {
-				err("could not handle pid_parser");
-			}
-		}
-		
-		deb_ts("start feeding\n");
-		if (dib->xfer_ops.fifo_ctrl != NULL) {
-			if (dib->xfer_ops.fifo_ctrl(dib->fe,1)) {
-				err("error while enabling fifo.");
-				return -ENODEV;
-			}
-		}
-		dibusb_streaming(dib,1);
-	}
-	return 0;
-}
-
-static int dibusb_start_feed(struct dvb_demux_feed *dvbdmxfeed)
-{
-	deb_ts("start pid: 0x%04x, feedtype: %d\n", dvbdmxfeed->pid,dvbdmxfeed->type);
-	return dibusb_ctrl_feed(dvbdmxfeed,1);
-}
-
-static int dibusb_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
-{
-	deb_ts("stop pid: 0x%04x, feedtype: %d\n", dvbdmxfeed->pid, dvbdmxfeed->type);
-	return dibusb_ctrl_feed(dvbdmxfeed,0);
-}
-
-int dibusb_dvb_init(struct usb_dibusb *dib)
-{
-	int ret;
-
-	urb_compl_count = 0;
-
-	if ((ret = dvb_register_adapter(&dib->adapter, DRIVER_DESC,
-			THIS_MODULE)) < 0) {
-		deb_info("dvb_register_adapter failed: error %d", ret);
-		goto err;
-	}
-	dib->adapter.priv = dib;
-	
-/* i2c is done in dibusb_i2c_init */
-	
-	dib->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING;
-
-	dib->demux.priv = (void *)dib;
-	/* get pidcount from demod */
-	dib->demux.feednum = dib->demux.filternum = 255;
-	dib->demux.start_feed = dibusb_start_feed;
-	dib->demux.stop_feed = dibusb_stop_feed;
-	dib->demux.write_to_decoder = NULL;
-	if ((ret = dvb_dmx_init(&dib->demux)) < 0) {
-		err("dvb_dmx_init failed: error %d",ret);
-		goto err_dmx;
-	}
-
-	dib->dmxdev.filternum = dib->demux.filternum;
-	dib->dmxdev.demux = &dib->demux.dmx;
-	dib->dmxdev.capabilities = 0;
-	if ((ret = dvb_dmxdev_init(&dib->dmxdev, &dib->adapter)) < 0) {
-		err("dvb_dmxdev_init failed: error %d",ret);
-		goto err_dmx_dev;
-	}
-
-	dvb_net_init(&dib->adapter, &dib->dvb_net, &dib->demux.dmx);
-
-	goto success;
-err_dmx_dev:
-	dvb_dmx_release(&dib->demux);
-err_dmx:
-	dvb_unregister_adapter(&dib->adapter);
-err:
-	return ret;
-success:
-	dib->init_state |= DIBUSB_STATE_DVB;
-	return 0;
-}
-
-int dibusb_dvb_exit(struct usb_dibusb *dib)
-{
-	if (dib->init_state & DIBUSB_STATE_DVB) {
-		dib->init_state &= ~DIBUSB_STATE_DVB;
-		deb_info("unregistering DVB part\n");
-		dvb_net_release(&dib->dvb_net);
-		dib->demux.dmx.close(&dib->demux.dmx);
-		dvb_dmxdev_release(&dib->dmxdev);
-		dvb_dmx_release(&dib->demux);
-		dvb_unregister_adapter(&dib->adapter);
-	}
-	return 0;
-}

drivers/media/dvb/dibusb/dvb-dibusb-firmware.c

-/*
- * dvb-dibusb-firmware.c is part of the driver for mobile USB Budget DVB-T devices 
- * based on reference design made by DiBcom (http://www.dibcom.fr/)
- *
- * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de)
- *
- * see dvb-dibusb-core.c for more copyright details.
- *
- * This file contains functions for downloading the firmware to the device.
- */
-#include "dvb-dibusb.h"
-
-#include <linux/firmware.h>
-#include <linux/usb.h>
-
-/*
- * load a firmware packet to the device 
- */
-static int dibusb_writemem(struct usb_device *udev,u16 addr,u8 *data, u8 len)
-{
-	return usb_control_msg(udev, usb_sndctrlpipe(udev,0),
-			0xa0, USB_TYPE_VENDOR, addr, 0x00, data, len, 5000);
-}
-
-int dibusb_loadfirmware(struct usb_device *udev, struct dibusb_usb_device *dibdev)
-{
-	const struct firmware *fw = NULL;
-	u16 addr;
-	u8 *b,*p;
-	int ret = 0,i;
-	
-	if ((ret = request_firmware(&fw, dibdev->dev_cl->firmware, &udev->dev)) != 0) {
-		err("did not find the firmware file. (%s) "
-			"Please see linux/Documentation/dvb/ for more details on firmware-problems.",
-			dibdev->dev_cl->firmware);
-		return ret;
-	}
-
-	info("downloading firmware from file '%s'.",dibdev->dev_cl->firmware);
-	
-	p = kmalloc(fw->size,GFP_KERNEL);	
-	if (p != NULL) {
-		u8 reset;
-		/*
-		 * you cannot use the fw->data as buffer for 
-		 * usb_control_msg, a new buffer has to be
-		 * created
-		 */
-		memcpy(p,fw->data,fw->size);
-
-		/* stop the CPU */
-		reset = 1;
-		if ((ret = dibusb_writemem(udev,dibdev->dev_cl->usb_ctrl->cpu_cs_register,&reset,1)) != 1) 
-			err("could not stop the USB controller CPU.");
-		for(i = 0; p[i+3] == 0 && i < fw->size; ) { 
-			b = (u8 *) &p[i];
-			addr = *((u16 *) &b[1]);
-
-			ret = dibusb_writemem(udev,addr,&b[4],b[0]);
-		
-			if (ret != b[0]) {
-				err("error while transferring firmware "
-					"(transferred size: %d, block size: %d)",
-					ret,b[0]);
-				ret = -EINVAL;
-				break;
-			}
-			i += 5 + b[0];
-		}
-		/* length in ret */
-		if (ret > 0)
-			ret = 0;
-		/* restart the CPU */
-		reset = 0;
-		if (ret || dibusb_writemem(udev,dibdev->dev_cl->usb_ctrl->cpu_cs_register,&reset,1) != 1) {
-			err("could not restart the USB controller CPU.");
-			ret = -EINVAL;
-		}
-
-		kfree(p);
-	} else { 
-		ret = -ENOMEM;
-	}
-	release_firmware(fw);
-
-	return ret;
-}

drivers/media/dvb/dibusb/dvb-dibusb-remote.c

-/*
- * dvb-dibusb-remote.c is part of the driver for mobile USB Budget DVB-T devices
- * based on reference design made by DiBcom (http://www.dibcom.fr/)
- *
- * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de)
- *
- * see dvb-dibusb-core.c for more copyright details.
- *
- * This file contains functions for handling the event device on the software
- * side and the remote control on the hardware side.
- */
-#include "dvb-dibusb.h"
-
-/* Table to map raw key codes to key events.  This should not be hard-wired
-   into the kernel.  */
-static const struct { u8 c0, c1, c2; uint32_t key; } nec_rc_keys [] =
-{
-	/* Key codes for the little Artec T1/Twinhan/HAMA/ remote. */
-	{ 0x00, 0xff, 0x16, KEY_POWER },
-	{ 0x00, 0xff, 0x10, KEY_MUTE },
-	{ 0x00, 0xff, 0x03, KEY_1 },
-	{ 0x00, 0xff, 0x01, KEY_2 },
-	{ 0x00, 0xff, 0x06, KEY_3 },
-	{ 0x00, 0xff, 0x09, KEY_4 },
-	{ 0x00, 0xff, 0x1d, KEY_5 },
-	{ 0x00, 0xff, 0x1f, KEY_6 },
-	{ 0x00, 0xff, 0x0d, KEY_7 },
-	{ 0x00, 0xff, 0x19, KEY_8 },
-	{ 0x00, 0xff, 0x1b, KEY_9 },
-	{ 0x00, 0xff, 0x15, KEY_0 },
-	{ 0x00, 0xff, 0x05, KEY_CHANNELUP },
-	{ 0x00, 0xff, 0x02, KEY_CHANNELDOWN },
-	{ 0x00, 0xff, 0x1e, KEY_VOLUMEUP },
-	{ 0x00, 0xff, 0x0a, KEY_VOLUMEDOWN },
-	{ 0x00, 0xff, 0x11, KEY_RECORD },
-	{ 0x00, 0xff, 0x17, KEY_FAVORITES }, /* Heart symbol - Channel list. */
-	{ 0x00, 0xff, 0x14, KEY_PLAY },
-	{ 0x00, 0xff, 0x1a, KEY_STOP },
-	{ 0x00, 0xff, 0x40, KEY_REWIND },
-	{ 0x00, 0xff, 0x12, KEY_FASTFORWARD },
-	{ 0x00, 0xff, 0x0e, KEY_PREVIOUS }, /* Recall - Previous channel. */
-	{ 0x00, 0xff, 0x4c, KEY_PAUSE },
-	{ 0x00, 0xff, 0x4d, KEY_SCREEN }, /* Full screen mode. */
-	{ 0x00, 0xff, 0x54, KEY_AUDIO }, /* MTS - Switch to secondary audio. */
-	/* additional keys TwinHan VisionPlus, the Artec seemingly not have */
-	{ 0x00, 0xff, 0x0c, KEY_CANCEL }, /* Cancel */
-	{ 0x00, 0xff, 0x1c, KEY_EPG }, /* EPG */
-	{ 0x00, 0xff, 0x00, KEY_TAB }, /* Tab */
-	{ 0x00, 0xff, 0x48, KEY_INFO }, /* Preview */
-	{ 0x00, 0xff, 0x04, KEY_LIST }, /* RecordList */
-	{ 0x00, 0xff, 0x0f, KEY_TEXT }, /* Teletext */
-	/* Key codes for the KWorld/ADSTech/JetWay remote. */
-	{ 0x86, 0x6b, 0x12, KEY_POWER },
-	{ 0x86, 0x6b, 0x0f, KEY_SELECT }, /* source */
-	{ 0x86, 0x6b, 0x0c, KEY_UNKNOWN }, /* scan */
-	{ 0x86, 0x6b, 0x0b, KEY_EPG },
-	{ 0x86, 0x6b, 0x10, KEY_MUTE },
-	{ 0x86, 0x6b, 0x01, KEY_1 },
-	{ 0x86, 0x6b, 0x02, KEY_2 },
-	{ 0x86, 0x6b, 0x03, KEY_3 },
-	{ 0x86, 0x6b, 0x04, KEY_4 },
-	{ 0x86, 0x6b, 0x05, KEY_5 },
-	{ 0x86, 0x6b, 0x06, KEY_6 },
-	{ 0x86, 0x6b, 0x07, KEY_7 },
-	{ 0x86, 0x6b, 0x08, KEY_8 },
-	{ 0x86, 0x6b, 0x09, KEY_9 },
-	{ 0x86, 0x6b, 0x0a, KEY_0 },
-	{ 0x86, 0x6b, 0x18, KEY_ZOOM },
-	{ 0x86, 0x6b, 0x1c, KEY_UNKNOWN }, /* preview */
-	{ 0x86, 0x6b, 0x13, KEY_UNKNOWN }, /* snap */
-	{ 0x86, 0x6b, 0x00, KEY_UNDO },
-	{ 0x86, 0x6b, 0x1d, KEY_RECORD },
-	{ 0x86, 0x6b, 0x0d, KEY_STOP },
-	{ 0x86, 0x6b, 0x0e, KEY_PAUSE },
-	{ 0x86, 0x6b, 0x16, KEY_PLAY },
-	{ 0x86, 0x6b, 0x11, KEY_BACK },
-	{ 0x86, 0x6b, 0x19, KEY_FORWARD },
-	{ 0x86, 0x6b, 0x14, KEY_UNKNOWN }, /* pip */
-	{ 0x86, 0x6b, 0x15, KEY_ESC },
-	{ 0x86, 0x6b, 0x1a, KEY_UP },
-	{ 0x86, 0x6b, 0x1e, KEY_DOWN },
-	{ 0x86, 0x6b, 0x1f, KEY_LEFT },
-	{ 0x86, 0x6b, 0x1b, KEY_RIGHT },
-};
-
-/* Hauppauge NOVA-T USB2 keys */
-static const struct { u16 raw; uint32_t key; } haupp_rc_keys [] = {
-	{ 0xddf, KEY_GOTO },
-	{ 0xdef, KEY_POWER },
-	{ 0xce7, KEY_TV },
-	{ 0xcc7, KEY_VIDEO },
-	{ 0xccf, KEY_AUDIO },
-	{ 0xcd7, KEY_MEDIA },
-	{ 0xcdf, KEY_EPG },
-	{ 0xca7, KEY_UP },
-	{ 0xc67, KEY_RADIO },
-	{ 0xcb7, KEY_LEFT },
-	{ 0xd2f, KEY_OK },
-	{ 0xcbf, KEY_RIGHT },
-	{ 0xcff, KEY_BACK },
-	{ 0xcaf, KEY_DOWN },
-	{ 0xc6f, KEY_MENU },
-	{ 0xc87, KEY_VOLUMEUP },
-	{ 0xc8f, KEY_VOLUMEDOWN },
-	{ 0xc97, KEY_CHANNEL },
-	{ 0xc7f, KEY_MUTE },
-	{ 0xd07, KEY_CHANNELUP },
-	{ 0xd0f, KEY_CHANNELDOWN },
-	{ 0xdbf, KEY_RECORD },
-	{ 0xdb7, KEY_STOP },
-	{ 0xd97, KEY_REWIND },
-	{ 0xdaf, KEY_PLAY },
-	{ 0xda7, KEY_FASTFORWARD },
-	{ 0xd27, KEY_LAST }, /* Skip backwards */
-	{ 0xd87, KEY_PAUSE },
-	{ 0xcf7, KEY_NEXT },
-	{ 0xc07, KEY_0 },
-	{ 0xc0f, KEY_1 },
-	{ 0xc17, KEY_2 },
-	{ 0xc1f, KEY_3 },
-	{ 0xc27, KEY_4 },
-	{ 0xc2f, KEY_5 },
-	{ 0xc37, KEY_6 },
-	{ 0xc3f, KEY_7 },
-	{ 0xc47, KEY_8 },
-	{ 0xc4f, KEY_9 },
-	{ 0xc57, KEY_KPASTERISK },
-	{ 0xc77, KEY_GRAVE }, /* # */
-	{ 0xc5f, KEY_RED },
-	{ 0xd77, KEY_GREEN },
-	{ 0xdc7, KEY_YELLOW },
-	{ 0xd4f, KEY_BLUE},
-};
-
-static int dibusb_key2event_nec(struct usb_dibusb *dib,u8 rb[5])
-{
-	int i;
-	switch (rb[0]) {
-		case DIBUSB_RC_NEC_KEY_PRESSED:
-			/* rb[1-3] is the actual key, rb[4] is a checksum */
-			deb_rc("raw key code 0x%02x, 0x%02x, 0x%02x, 0x%02x\n",
-				rb[1], rb[2], rb[3], rb[4]);
-
-			if ((0xff - rb[3]) != rb[4]) {
-				deb_rc("remote control checksum failed.\n");
-				break;
-			}
-
-			/* See if we can match the raw key code. */
-			for (i = 0; i < sizeof(nec_rc_keys)/sizeof(nec_rc_keys[0]); i++) {
-				if (nec_rc_keys[i].c0 == rb[1] &&
-					nec_rc_keys[i].c1 == rb[2] &&
-					nec_rc_keys[i].c2 == rb[3]) {
-
-					dib->last_event = nec_rc_keys[i].key;
-					return 1;
-				}
-			}
-			break;
-		case DIBUSB_RC_NEC_KEY_REPEATED:
-			/* rb[1]..rb[4] are always zero.*/
-			/* Repeats often seem to occur so for the moment just ignore this. */
-			return 0;
-		case DIBUSB_RC_NEC_EMPTY: /* No (more) remote control keys. */
-		default:
-			break;
-	}
-	return -1;
-}
-
-static int dibusb_key2event_hauppauge(struct usb_dibusb *dib,u8 rb[4])
-{
-	u16 raw;
-	int i,state;
-	switch (rb[0]) {
-		case DIBUSB_RC_HAUPPAUGE_KEY_PRESSED:
-			raw = ((rb[1] & 0x0f) << 8) | rb[2];
-
-			state = !!(rb[1] & 0x40);
-
-			deb_rc("raw key code 0x%02x, 0x%02x, 0x%02x to %04x state: %d\n",rb[1],rb[2],rb[3],raw,state);
-			for (i = 0; i < sizeof(haupp_rc_keys)/sizeof(haupp_rc_keys[0]); i++) {
-				if (haupp_rc_keys[i].raw == raw) {
-					if (dib->last_event == haupp_rc_keys[i].key &&
-						dib->last_state == state) {
-						deb_rc("key repeat\n");
-						return 0;
-					} else {
-						dib->last_event = haupp_rc_keys[i].key;
-						dib->last_state = state;
-						return 1;
-					}
-				}
-			}
-
-			break;
-		case DIBUSB_RC_HAUPPAUGE_KEY_EMPTY:
-		default:
-			break;
-	}
-	return -1;
-}
-
-/*
- * Read the remote control and feed the appropriate event.
- * NEC protocol is used for remote controls
- */
-static int dibusb_read_remote_control(struct usb_dibusb *dib)
-{
-	u8 b[1] = { DIBUSB_REQ_POLL_REMOTE }, rb[5];
-	int ret,event = 0;
-
-	if ((ret = dibusb_readwrite_usb(dib,b,1,rb,5)))
-		return ret;
-
-	switch (dib->dibdev->dev_cl->remote_type) {
-		case DIBUSB_RC_NEC_PROTOCOL:
-			event = dibusb_key2event_nec(dib,rb);
-			break;
-		case DIBUSB_RC_HAUPPAUGE_PROTO:
-			event = dibusb_key2event_hauppauge(dib,rb);
-		default:
-			break;
-	}
-
-	/* key repeat */
-	if (event == 0)
-		if (++dib->repeat_key_count < dib->rc_key_repeat_count) {
-			deb_rc("key repeat dropped. (%d)\n",dib->repeat_key_count);
-			event = -1; /* skip this key repeat */
-		}
-
-	if (event == 1 || event == 0) {
-		deb_rc("Translated key 0x%04x\n",event);
-
-		/* Signal down and up events for this key. */
-		input_report_key(&dib->rc_input_dev, dib->last_event, 1);
-		input_report_key(&dib->rc_input_dev, dib->last_event, 0);
-		input_sync(&dib->rc_input_dev);
-
-		if (event == 1)
-			dib->repeat_key_count = 0;
-	}
-	return 0;
-}
-
-/* Remote-control poll function - called every dib->rc_query_interval ms to see
-   whether the remote control has received anything. */
-static void dibusb_remote_query(void *data)
-{
-	struct usb_dibusb *dib = (struct usb_dibusb *) data;
-	/* TODO: need a lock here.  We can simply skip checking for the remote control
-	   if we're busy. */
-	dibusb_read_remote_control(dib);
-	schedule_delayed_work(&dib->rc_query_work,
-			      msecs_to_jiffies(dib->rc_query_interval));
-}
-
-int dibusb_remote_init(struct usb_dibusb *dib)
-{
-	int i;
-
-	if (dib->dibdev->dev_cl->remote_type == DIBUSB_RC_NO)
-		return 0;
-	
-	/* Initialise the remote-control structures.*/
-	init_input_dev(&dib->rc_input_dev);
-
-	dib->rc_input_dev.evbit[0] = BIT(EV_KEY);
-	dib->rc_input_dev.keycodesize = sizeof(unsigned char);
-	dib->rc_input_dev.keycodemax = KEY_MAX;
-	dib->rc_input_dev.name = DRIVER_DESC " remote control";
-
-	switch (dib->dibdev->dev_cl->remote_type) {
-		case DIBUSB_RC_NEC_PROTOCOL:
-			for (i=0; i<sizeof(nec_rc_keys)/sizeof(nec_rc_keys[0]); i++)
-				set_bit(nec_rc_keys[i].key, dib->rc_input_dev.keybit);
-			break;
-		case DIBUSB_RC_HAUPPAUGE_PROTO:
-			for (i=0; i<sizeof(haupp_rc_keys)/sizeof(haupp_rc_keys[0]); i++)
-				set_bit(haupp_rc_keys[i].key, dib->rc_input_dev.keybit);
-			break;
-		default:
-			break;
-	}
-
-
-	input_register_device(&dib->rc_input_dev);
-
-	INIT_WORK(&dib->rc_query_work, dibusb_remote_query, dib);
-
-	/* Start the remote-control polling. */
-	if (dib->rc_query_interval < 40)
-		dib->rc_query_interval = 100; /* default */
-
-	info("schedule remote query interval to %d msecs.",dib->rc_query_interval);
-	schedule_delayed_work(&dib->rc_query_work,msecs_to_jiffies(dib->rc_query_interval));
-
-	dib->init_state |= DIBUSB_STATE_REMOTE;
-	
-	return 0;
-}
-
-int dibusb_remote_exit(struct usb_dibusb *dib)
-{
-	if (dib->dibdev->dev_cl->remote_type == DIBUSB_RC_NO)
-		return 0;
-
-	if (dib->init_state & DIBUSB_STATE_REMOTE) {
-		cancel_delayed_work(&dib->rc_query_work);
-		flush_scheduled_work();
-		input_unregister_device(&dib->rc_input_dev);
-	}
-	dib->init_state &= ~DIBUSB_STATE_REMOTE;
-	return 0;
-}

drivers/media/dvb/dibusb/dvb-dibusb-usb.c

-/*
- * dvb-dibusb-usb.c is part of the driver for mobile USB Budget DVB-T devices
- * based on reference design made by DiBcom (http://www.dibcom.fr/)
- *
- * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de)
- *
- * see dvb-dibusb-core.c for more copyright details.
- *
- * This file contains functions for initializing and handling the
- * usb specific stuff.
- */
-#include "dvb-dibusb.h"
-
-#include <linux/version.h>
-#include <linux/pci.h>
-
-int dibusb_readwrite_usb(struct usb_dibusb *dib, u8 *wbuf, u16 wlen, u8 *rbuf,
-		u16 rlen)
-{
-	int actlen,ret = -ENOMEM;
-
-	if (wbuf == NULL || wlen == 0)
-		return -EINVAL;
-
-	if ((ret = down_interruptible(&dib->usb_sem)))
-		return ret;
-
-	debug_dump(wbuf,wlen);
-
-	ret = usb_bulk_msg(dib->udev,usb_sndbulkpipe(dib->udev,
-			dib->dibdev->dev_cl->pipe_cmd), wbuf,wlen,&actlen,
-			DIBUSB_I2C_TIMEOUT);
-
-	if (ret)
-		err("bulk message failed: %d (%d/%d)",ret,wlen,actlen);
-	else
-		ret = actlen != wlen ? -1 : 0;
-
-	/* an answer is expected, and no error before */
-	if (!ret && rbuf && rlen) {
-		ret = usb_bulk_msg(dib->udev,usb_rcvbulkpipe(dib->udev,
-				dib->dibdev->dev_cl->pipe_cmd),rbuf,rlen,&actlen,
-				DIBUSB_I2C_TIMEOUT);
-
-		if (ret)
-			err("recv bulk message failed: %d",ret);
-		else {
-			deb_alot("rlen: %d\n",rlen);
-			debug_dump(rbuf,actlen);
-		}
-	}
-
-	up(&dib->usb_sem);
-	return ret;
-}
-
-/*
- * Cypress controls
- */
-int dibusb_write_usb(struct usb_dibusb *dib, u8 *buf, u16 len)
-{
-	return dibusb_readwrite_usb(dib,buf,len,NULL,0);
-}
-
-#if 0
-/*
- * #if 0'ing the following functions as they are not in use _now_,
- * but probably will be sometime.
- */
-/*
- * do not use this, just a workaround for a bug,
- * which will hopefully never occur :).
- */
-int dibusb_interrupt_read_loop(struct usb_dibusb *dib)
-{
-	u8 b[1] = { DIBUSB_REQ_INTR_READ };
-	return dibusb_write_usb(dib,b,1);
-}
-#endif
-
-/*
- * ioctl for the firmware
- */
-static int dibusb_ioctl_cmd(struct usb_dibusb *dib, u8 cmd, u8 *param, int plen)
-{
-	u8 b[34];
-	int size = plen > 32 ? 32 : plen;
-	memset(b,0,34);
-	b[0] = DIBUSB_REQ_SET_IOCTL;
-	b[1] = cmd;
-
-	if (size > 0)
-		memcpy(&b[2],param,size);
-
-	return dibusb_write_usb(dib,b,34); //2+size);
-}
-
-/*
- * ioctl for power control
- */
-int dibusb_hw_wakeup(struct dvb_frontend *fe)
-{
-	struct usb_dibusb *dib = (struct usb_dibusb *) fe->dvb->priv;
-	u8 b[1] = { DIBUSB_IOCTL_POWER_WAKEUP };
-	deb_info("dibusb-device is getting up.\n");
-
-	switch (dib->dibdev->dev_cl->id) {
-		case DTT200U:
-			break;
-		default:
-			dibusb_ioctl_cmd(dib,DIBUSB_IOCTL_CMD_POWER_MODE, b,1);
-			break;
-	}
-
-	if (dib->fe_init)
-		return dib->fe_init(fe);
-
-	return 0;
-}
-
-int dibusb_hw_sleep(struct dvb_frontend *fe)
-{
-	struct usb_dibusb *dib = (struct usb_dibusb *) fe->dvb->priv;
-	u8 b[1] = { DIBUSB_IOCTL_POWER_SLEEP };
-	deb_info("dibusb-device is going to bed.\n");
-	/* workaround, something is wrong, when dibusb 1.1 device are going to bed too late */
-	switch (dib->dibdev->dev_cl->id) {
-		case DIBUSB1_1:
-		case NOVAT_USB2:
-		case DTT200U:
-			break;
-		default:
-			dibusb_ioctl_cmd(dib,DIBUSB_IOCTL_CMD_POWER_MODE, b,1);
-			break;
-	}
-	if (dib->fe_sleep)
-		return dib->fe_sleep(fe);
-
-	return 0;
-}
-
-int dibusb_set_streaming_mode(struct usb_dibusb *dib,u8 mode)
-{
-	u8 b[2] = { DIBUSB_REQ_SET_STREAMING_MODE, mode };
-	return dibusb_readwrite_usb(dib,b,2,NULL,0);
-}
-
-static int dibusb_urb_kill(struct usb_dibusb *dib)
-{
-	int i;
-deb_info("trying to kill urbs\n");
-	if (dib->init_state & DIBUSB_STATE_URB_SUBMIT) {
-		for (i = 0; i < dib->dibdev->dev_cl->urb_count; i++) {
-			deb_info("killing URB no. %d.\n",i);
-
-			/* stop the URB */
-			usb_kill_urb(dib->urb_list[i]);
-		}
-	} else
-	deb_info(" URBs not killed.\n");
-	dib->init_state &= ~DIBUSB_STATE_URB_SUBMIT;
-	return 0;
-}
-
-static int dibusb_urb_submit(struct usb_dibusb *dib)
-{
-	int i,ret;
-	if (dib->init_state & DIBUSB_STATE_URB_INIT) {
-		for (i = 0; i < dib->dibdev->dev_cl->urb_count; i++) {
-			deb_info("submitting URB no. %d\n",i);
-			if ((ret = usb_submit_urb(dib->urb_list[i],GFP_ATOMIC))) {
-				err("could not submit buffer urb no. %d - get them all back\n",i);
-				dibusb_urb_kill(dib);
-				return ret;
-			}
-			dib->init_state |= DIBUSB_STATE_URB_SUBMIT;
-		}
-	}
-	return 0;
-}
-
-int dibusb_streaming(struct usb_dibusb *dib,int onoff)
-{
-	if (onoff)
-		dibusb_urb_submit(dib);
-	else
-		dibusb_urb_kill(dib);
-
-	switch (dib->dibdev->dev_cl->id) {
-		case DIBUSB2_0:
-		case DIBUSB2_0B:
-		case NOVAT_USB2:
-		case UMT2_0:
-			if (onoff)
-				return dibusb_ioctl_cmd(dib,DIBUSB_IOCTL_CMD_ENABLE_STREAM,NULL,0);
-			else
-				return dibusb_ioctl_cmd(dib,DIBUSB_IOCTL_CMD_DISABLE_STREAM,NULL,0);
-			break;
-		default:
-			break;
-	}
-	return 0;
-}
-
-int dibusb_urb_init(struct usb_dibusb *dib)
-{
-	int i,bufsize,def_pid_parse = 1;
-
-	/*
-	 * when reloading the driver w/o replugging the device
-	 * a timeout occures, this helps
-	 */
-	usb_clear_halt(dib->udev,usb_sndbulkpipe(dib->udev,dib->dibdev->dev_cl->pipe_cmd));
-	usb_clear_halt(dib->udev,usb_rcvbulkpipe(dib->udev,dib->dibdev->dev_cl->pipe_cmd));
-	usb_clear_halt(dib->udev,usb_rcvbulkpipe(dib->udev,dib->dibdev->dev_cl->pipe_data));
-
-	/* allocate the array for the data transfer URBs */
-	dib->urb_list = kmalloc(dib->dibdev->dev_cl->urb_count*sizeof(struct urb *),GFP_KERNEL);
-	if (dib->urb_list == NULL)
-		return -ENOMEM;
-	memset(dib->urb_list,0,dib->dibdev->dev_cl->urb_count*sizeof(struct urb *));
-
-	dib->init_state |= DIBUSB_STATE_URB_LIST;
-
-	bufsize = dib->dibdev->dev_cl->urb_count*dib->dibdev->dev_cl->urb_buffer_size;
-	deb_info("allocate %d bytes as buffersize for all URBs\n",bufsize);
-	/* allocate the actual buffer for the URBs */
-	if ((dib->buffer = pci_alloc_consistent(NULL,bufsize,&dib->dma_handle)) == NULL) {
-		deb_info("not enough memory.\n");
-		return -ENOMEM;
-	}
-	deb_info("allocation complete\n");
-	memset(dib->buffer,0,bufsize);
-
-	dib->init_state |= DIBUSB_STATE_URB_BUF;
-
-	/* allocate and submit the URBs */
-	for (i = 0; i < dib->dibdev->dev_cl->urb_count; i++) {
-		if (!(dib->urb_list[i] = usb_alloc_urb(0,GFP_ATOMIC))) {
-			return -ENOMEM;
-		}
-
-		usb_fill_bulk_urb( dib->urb_list[i], dib->udev,
-				usb_rcvbulkpipe(dib->udev,dib->dibdev->dev_cl->pipe_data),
-				&dib->buffer[i*dib->dibdev->dev_cl->urb_buffer_size],
-				dib->dibdev->dev_cl->urb_buffer_size,
-				dibusb_urb_complete, dib);
-
-		dib->urb_list[i]->transfer_flags = 0;
-
-		dib->init_state |= DIBUSB_STATE_URB_INIT;
-	}
-
-	/* dib->pid_parse here contains the value of the module parameter */
-	/* decide if pid parsing can be deactivated:
-	 * is possible (by device type) and wanted (by user)
-	 */
-	switch (dib->dibdev->dev_cl->id) {
-		case DIBUSB2_0:
-		case DIBUSB2_0B:
-			if (dib->udev->speed == USB_SPEED_HIGH && !dib->pid_parse) {
-				def_pid_parse = 0;
-				info("running at HIGH speed, will deliver the complete TS.");
-			} else
-				info("will use pid_parsing.");
-			break;
-		default:
-			break;
-	}
-	/* from here on it contains the device and user decision */
-	dib->pid_parse = def_pid_parse;
-
-	return 0;
-}
-
-int dibusb_urb_exit(struct usb_dibusb *dib)
-{
-	int i;
-
-	dibusb_urb_kill(dib);
-
-	if (dib->init_state & DIBUSB_STATE_URB_LIST) {
-		for (i = 0; i < dib->dibdev->dev_cl->urb_count; i++) {
-			if (dib->urb_list[i] != NULL) {
-				deb_info("freeing URB no. %d.\n",i);
-				/* free the URBs */
-				usb_free_urb(dib->urb_list[i]);
-			}
-		}
-		/* free the urb array */
-		kfree(dib->urb_list);
-		dib->init_state &= ~DIBUSB_STATE_URB_LIST;
-	}
-
-	if (dib->init_state & DIBUSB_STATE_URB_BUF)
-		pci_free_consistent(NULL,
-			dib->dibdev->dev_cl->urb_buffer_size*dib->dibdev->dev_cl->urb_count,
-			dib->buffer,dib->dma_handle);
-
-	dib->init_state &= ~DIBUSB_STATE_URB_BUF;
-	dib->init_state &= ~DIBUSB_STATE_URB_INIT;
-	return 0;
-}

drivers/media/dvb/dibusb/dvb-dibusb.h

-/*
- * dvb-dibusb.h
- *
- * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de)
- *
- *	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, version 2.
- *
- * for more information see dvb-dibusb-core.c .
- */
-#ifndef __DVB_DIBUSB_H__
-#define __DVB_DIBUSB_H__
-
-#include <linux/input.h>
-#include <linux/config.h>
-#include <linux/usb.h>
-
-#include "dvb_frontend.h"
-#include "dvb_demux.h"
-#include "dvb_net.h"
-#include "dmxdev.h"
-
-#include "dib3000.h"
-#include "mt352.h"
-
-/* debug */
-#ifdef CONFIG_DVB_DIBCOM_DEBUG
-#define dprintk(level,args...) \
-	    do { if ((dvb_dibusb_debug & level)) { printk(args); } } while (0)
-
-#define debug_dump(b,l) {\
-	int i; \
-	for (i = 0; i < l; i++) deb_xfer("%02x ", b[i]); \
-	deb_xfer("\n");\
-}
-
-#else
-#define dprintk(args...)
-#define debug_dump(b,l)
-#endif
-
-extern int dvb_dibusb_debug;
-
-/* Version information */
-#define DRIVER_VERSION "0.3"
-#define DRIVER_DESC "DiBcom based USB Budget DVB-T device"
-#define DRIVER_AUTHOR "Patrick Boettcher, patrick.boettcher@desy.de"
-
-#define deb_info(args...) dprintk(0x01,args)
-#define deb_xfer(args...) dprintk(0x02,args)
-#define deb_alot(args...) dprintk(0x04,args)
-#define deb_ts(args...)   dprintk(0x08,args)
-#define deb_err(args...)  dprintk(0x10,args)
-#define deb_rc(args...)   dprintk(0x20,args)
-
-/* generic log methods - taken from usb.h */
-#undef err
-#define err(format, arg...)  printk(KERN_ERR     "dvb-dibusb: " format "\n" , ## arg)
-#undef info
-#define info(format, arg...) printk(KERN_INFO    "dvb-dibusb: " format "\n" , ## arg)
-#undef warn
-#define warn(format, arg...) printk(KERN_WARNING "dvb-dibusb: " format "\n" , ## arg)
-
-struct dibusb_usb_controller {
-	const char *name;       /* name of the usb controller */
-	u16 cpu_cs_register;    /* needs to be restarted, when the firmware has been downloaded. */
-};
-
-typedef enum {
-	DIBUSB1_1 = 0,
-	DIBUSB1_1_AN2235,
-	DIBUSB2_0,
-	UMT2_0,
-	DIBUSB2_0B,
-	NOVAT_USB2,
-	DTT200U,
-} dibusb_class_t;
-
-typedef enum {
-	DIBUSB_TUNER_CABLE_THOMSON = 0,
-	DIBUSB_TUNER_COFDM_PANASONIC_ENV57H1XD5,
-	DIBUSB_TUNER_CABLE_LG_TDTP_E102P,
-	DIBUSB_TUNER_COFDM_PANASONIC_ENV77H11D5,
-} dibusb_tuner_t;
-
-typedef enum {
-	DIBUSB_DIB3000MB = 0,
-	DIBUSB_DIB3000MC,
-	DIBUSB_MT352,
-	DTT200U_FE,
-} dibusb_demodulator_t;
-
-typedef enum {
-	DIBUSB_RC_NO = 0,
-	DIBUSB_RC_NEC_PROTOCOL,
-	DIBUSB_RC_HAUPPAUGE_PROTO,
-} dibusb_remote_t;
-
-struct dibusb_tuner {
-	dibusb_tuner_t id;
-
-	u8 pll_addr;       /* tuner i2c address */
-};
-extern struct dibusb_tuner dibusb_tuner[];
-
-#define DIBUSB_POSSIBLE_I2C_ADDR_NUM 4
-struct dibusb_demod {
-	dibusb_demodulator_t id;
-
-	int pid_filter_count;                       /* counter of the internal pid_filter */
-	u8 i2c_addrs[DIBUSB_POSSIBLE_I2C_ADDR_NUM]; /* list of possible i2c addresses of the demod */
-};
-
-#define DIBUSB_MAX_TUNER_NUM 2
-struct dibusb_device_class {
-	dibusb_class_t id;
-
-	const struct dibusb_usb_controller *usb_ctrl; /* usb controller */
-	const char *firmware;                         /* valid firmware filenames */
-
-	int pipe_cmd;                                 /* command pipe (read/write) */
-	int pipe_data;                                /* data pipe */
-
-	int urb_count;                                /* number of data URBs to be submitted */
-	int urb_buffer_size;                          /* the size of the buffer for each URB */
-
-	dibusb_remote_t remote_type;                  /* does this device have a ir-receiver */
-
-	struct dibusb_demod *demod;                   /* which demodulator is mount */
-	struct dibusb_tuner *tuner;                   /* which tuner can be found here */
-};
-
-#define DIBUSB_ID_MAX_NUM 15
-struct dibusb_usb_device {
-	const char *name;                                 /* real name of the box */
-	struct dibusb_device_class *dev_cl;               /* which dibusb_device_class is this device part of */
-
-	struct usb_device_id *cold_ids[DIBUSB_ID_MAX_NUM]; /* list of USB ids when this device is at pre firmware state */
-	struct usb_device_id *warm_ids[DIBUSB_ID_MAX_NUM]; /* list of USB ids when this device is at post firmware state */
-};
-
-/* a PID for the pid_filter list, when in use */
-struct dibusb_pid
-{
-	int index;
-	u16 pid;
-	int active;
-};
-
-struct usb_dibusb {
-	/* usb */
-	struct usb_device * udev;
-
-	struct dibusb_usb_device * dibdev;
-
-#define DIBUSB_STATE_INIT       0x000
-#define DIBUSB_STATE_URB_LIST   0x001
-#define DIBUSB_STATE_URB_BUF    0x002
-#define DIBUSB_STATE_URB_INIT	0x004
-#define DIBUSB_STATE_DVB        0x008
-#define DIBUSB_STATE_I2C        0x010
-#define DIBUSB_STATE_REMOTE		0x020
-#define DIBUSB_STATE_URB_SUBMIT 0x040
-	int init_state;
-
-	int feedcount;
-	struct dib_fe_xfer_ops xfer_ops;
-
-	struct dibusb_tuner *tuner;
-
-	struct urb **urb_list;
-	u8 *buffer;
-	dma_addr_t dma_handle;
-
-	/* I2C */
-	struct i2c_adapter i2c_adap;
-
-	/* locking */
-	struct semaphore usb_sem;
-	struct semaphore i2c_sem;
-
-	/* dvb */
-	struct dvb_adapter adapter;
-	struct dmxdev dmxdev;
-	struct dvb_demux demux;
-	struct dvb_net dvb_net;
-	struct dvb_frontend* fe;
-
-	int (*fe_sleep) (struct dvb_frontend *);
-	int (*fe_init) (struct dvb_frontend *);
-
-	/* remote control */
-	struct input_dev rc_input_dev;
-	struct work_struct rc_query_work;
-	int last_event;
-	int last_state; /* for Hauppauge RC protocol */
-	int repeat_key_count;
-	int rc_key_repeat_count; /* module parameter */
-
-	/* module parameters */
-	int pid_parse;
-	int rc_query_interval;
-};
-
-/* commonly used functions in the separated files */
-
-/* dvb-dibusb-firmware.c */
-int dibusb_loadfirmware(struct usb_device *udev, struct dibusb_usb_device *dibdev);
-
-/* dvb-dibusb-remote.c */
-int dibusb_remote_exit(struct usb_dibusb *dib);
-int dibusb_remote_init(struct usb_dibusb *dib);
-
-/* dvb-dibusb-fe-i2c.c */
-int dibusb_fe_init(struct usb_dibusb* dib);
-int dibusb_fe_exit(struct usb_dibusb *dib);
-int dibusb_i2c_init(struct usb_dibusb *dib);
-int dibusb_i2c_exit(struct usb_dibusb *dib);
-
-/* dvb-dibusb-dvb.c */
-void dibusb_urb_complete(struct urb *urb, struct pt_regs *ptregs);
-int dibusb_dvb_init(struct usb_dibusb *dib);
-int dibusb_dvb_exit(struct usb_dibusb *dib);
-
-/* dvb-dibusb-usb.c */
-int dibusb_readwrite_usb(struct usb_dibusb *dib, u8 *wbuf, u16 wlen, u8 *rbuf,
-	u16 rlen);
-int dibusb_write_usb(struct usb_dibusb *dib, u8 *buf, u16 len);
-
-int dibusb_hw_wakeup(struct dvb_frontend *);
-int dibusb_hw_sleep(struct dvb_frontend *);
-int dibusb_set_streaming_mode(struct usb_dibusb *,u8);
-int dibusb_streaming(struct usb_dibusb *,int);
-
-int dibusb_urb_init(struct usb_dibusb *);
-int dibusb_urb_exit(struct usb_dibusb *);
-
-/* dvb-fe-dtt200u.c */
-struct dvb_frontend* dtt200u_fe_attach(struct usb_dibusb *,struct dib_fe_xfer_ops *);
-
-/* i2c and transfer stuff */
-#define DIBUSB_I2C_TIMEOUT				5000
-
-/*
- * protocol of all dibusb related devices
- */
-
-/*
- * bulk msg to/from endpoint 0x01
- *
- * general structure:
- * request_byte parameter_bytes
- */
-
-#define DIBUSB_REQ_START_READ			0x00
-#define DIBUSB_REQ_START_DEMOD			0x01
-
-/*
- * i2c read
- * bulk write: 0x02 ((7bit i2c_addr << 1) & 0x01) register_bytes length_word
- * bulk read:  byte_buffer (length_word bytes)
- */
-#define DIBUSB_REQ_I2C_READ			0x02
-
-/*
- * i2c write
- * bulk write: 0x03 (7bit i2c_addr << 1) register_bytes value_bytes
- */
-#define DIBUSB_REQ_I2C_WRITE			0x03
-
-/*
- * polling the value of the remote control
- * bulk write: 0x04
- * bulk read:  byte_buffer (5 bytes)
- *
- * first byte of byte_buffer shows the status (0x00, 0x01, 0x02)
- */
-#define DIBUSB_REQ_POLL_REMOTE			0x04
-
-#define DIBUSB_RC_NEC_EMPTY				0x00
-#define DIBUSB_RC_NEC_KEY_PRESSED		0x01
-#define DIBUSB_RC_NEC_KEY_REPEATED		0x02
-
-/* additional status values for Hauppauge Remote Control Protocol */
-#define DIBUSB_RC_HAUPPAUGE_KEY_PRESSED	0x01
-#define DIBUSB_RC_HAUPPAUGE_KEY_EMPTY	0x03
-
-/* streaming mode:
- * bulk write: 0x05 mode_byte
- *
- * mode_byte is mostly 0x00
- */
-#define DIBUSB_REQ_SET_STREAMING_MODE	0x05
-
-/* interrupt the internal read loop, when blocking */
-#define DIBUSB_REQ_INTR_READ			0x06
-
-/* io control
- * 0x07 cmd_byte param_bytes
- *
- * param_bytes can be up to 32 bytes
- *
- * cmd_byte function    parameter name
- * 0x00     power mode
- *                      0x00      sleep
- *                      0x01      wakeup
- *
- * 0x01     enable streaming
- * 0x02     disable streaming
- *
- *
- */
-#define DIBUSB_REQ_SET_IOCTL			0x07
-
-/* IOCTL commands */
-
-/* change the power mode in firmware */
-#define DIBUSB_IOCTL_CMD_POWER_MODE		0x00
-#define DIBUSB_IOCTL_POWER_SLEEP			0x00
-#define DIBUSB_IOCTL_POWER_WAKEUP			0x01
-
-/* modify streaming of the FX2 */
-#define DIBUSB_IOCTL_CMD_ENABLE_STREAM	0x01
-#define DIBUSB_IOCTL_CMD_DISABLE_STREAM	0x02
-
-#endif

drivers/media/dvb/dibusb/dvb-fe-dtt200u.c

-/*
- * dvb-dtt200u-fe.c is a driver which implements the frontend-part of the
- * Yakumo/Typhoon/Hama USB2.0 boxes. It is hard-wired to the dibusb-driver as
- * it uses the usb-transfer functions directly (maybe creating a
- * generic-dvb-usb-lib for all usb-drivers will be reduce some more code.)
- *
- * Copyright (C) 2005 Patrick Boettcher <patrick.boettcher@desy.de>
- *
- * see dvb-dibusb-core.c for copyright details.
- */
-
-/* guessed protocol description (reverse engineered):
- * read
- *  00 - USB type 0x02 for usb2.0, 0x01 for usb1.1
- *  81 - <TS_LOCK> <current frequency divided by 250000>
- *  82 - crash - do not touch
- *  83 - crash - do not touch
- *  84 - remote control
- *  85 - crash - do not touch (OK, stop testing here)
- *  88 - locking 2 bytes (0x80 0x40 == no signal, 0x89 0x20 == nice signal)
- *  89 - noise-to-signal
- *	8a - unkown 1 byte - signal_strength
- *  8c - ber ???
- *  8d - ber
- *  8e - unc
- *
- * write
- *  02 - bandwidth
- *  03 - frequency (divided by 250000)
- *  04 - pid table (index pid(7:0) pid(12:8))
- *  05 - reset the pid table
- *  08 - demod transfer enabled or not (FX2 transfer is enabled by default)
- */
-
-#include "dvb-dibusb.h"
-#include "dvb_frontend.h"
-
-struct dtt200u_fe_state {
-	struct usb_dibusb *dib;
-
-	struct dvb_frontend_parameters fep;
-	struct dvb_frontend frontend;
-};
-
-#define moan(which,what) info("unexpected value in '%s' for cmd '%02x' - please report to linux-dvb@linuxtv.org",which,what)
-
-static int dtt200u_fe_read_status(struct dvb_frontend* fe, fe_status_t *stat)
-{
-	struct dtt200u_fe_state *state = fe->demodulator_priv;
-	u8 bw[1] = { 0x81 };
-	u8 br[3] = { 0 };
-//	u8 bdeb[5] = { 0 };
-
-	dibusb_readwrite_usb(state->dib,bw,1,br,3);
-	switch (br[0]) {
-		case 0x01:
-			*stat = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
-			break;
-		case 0x00:
-			*stat = 0;
-			break;
-		default:
-			moan("br[0]",0x81);
-			break;
-	}
-
-//	bw[0] = 0x88;
-//	dibusb_readwrite_usb(state->dib,bw,1,bdeb,5);
-
-//	deb_info("%02x: %02x %02x %02x %02x %02x\n",bw[0],bdeb[0],bdeb[1],bdeb[2],bdeb[3],bdeb[4]);
-
-	return 0;
-}
-static int dtt200u_fe_read_ber(struct dvb_frontend* fe, u32 *ber)
-{
-	struct dtt200u_fe_state *state = fe->demodulator_priv;
-	u8 bw[1] = { 0x8d };
-	*ber = 0;
-	dibusb_readwrite_usb(state->dib,bw,1,(u8*) ber, 3);
-	return 0;
-}
-
-static int dtt200u_fe_read_unc_blocks(struct dvb_frontend* fe, u32 *unc)
-{
-	struct dtt200u_fe_state *state = fe->demodulator_priv;
-	u8 bw[1] = { 0x8c };
-	*unc = 0;
-	dibusb_readwrite_usb(state->dib,bw,1,(u8*) unc, 3);
-	return 0;
-}
-
-static int dtt200u_fe_read_signal_strength(struct dvb_frontend* fe, u16 *strength)
-{
-	struct dtt200u_fe_state *state = fe->demodulator_priv;
-	u8 bw[1] = { 0x8a };
-	u8 b;
-	dibusb_readwrite_usb(state->dib,bw,1,&b, 1);
-	*strength = (b << 8) | b;
-	return 0;
-}
-
-static int dtt200u_fe_read_snr(struct dvb_frontend* fe, u16 *snr)
-{
-	struct dtt200u_fe_state *state = fe->demodulator_priv;
-	u8 bw[1] = { 0x89 };
-	u8 br[1] = { 0 };
-	dibusb_readwrite_usb(state->dib,bw,1,br,1);
-	*snr = ((0xff - br[0]) << 8) | (0xff - br[0]);
-	return 0;
-}
-
-static int dtt200u_fe_init(struct dvb_frontend* fe)
-{
-	struct dtt200u_fe_state *state = fe->demodulator_priv;
-	u8 b[] = { 0x01 };
-	return dibusb_write_usb(state->dib,b,1);
-}
-
-static int dtt200u_fe_sleep(struct dvb_frontend* fe)
-{
-	return dtt200u_fe_init(fe);
-}
-
-static int dtt200u_fe_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings *tune)
-{
-	tune->min_delay_ms = 1500;
-	tune->step_size = 166667;
-	tune->max_drift = 166667 * 2;
-	return 0;
-}
-
-static int dtt200u_fe_set_frontend(struct dvb_frontend* fe,
-				  struct dvb_frontend_parameters *fep)
-{
-	struct dtt200u_fe_state *state = fe->demodulator_priv;
-	u16 freq = fep->frequency / 250000;
-	u8 bw,bwbuf[2] = { 0x03, 0 }, freqbuf[3] = { 0x02, 0, 0 };
-
-	switch (fep->u.ofdm.bandwidth) {
-		case BANDWIDTH_8_MHZ: bw = 8; break;
-		case BANDWIDTH_7_MHZ: bw = 7; break;
-		case BANDWIDTH_6_MHZ: bw = 6; break;
-		case BANDWIDTH_AUTO: return -EOPNOTSUPP;
-		default:
-			return -EINVAL;
-	}
-	deb_info("set_frontend\n");
-
-	bwbuf[1] = bw;
-	dibusb_write_usb(state->dib,bwbuf,2);
-
-	freqbuf[1] = freq & 0xff;
-	freqbuf[2] = (freq >> 8) & 0xff;
-	dibusb_write_usb(state->dib,freqbuf,3);
-
-	memcpy(&state->fep,fep,sizeof(struct dvb_frontend_parameters));
-
-	return 0;
-}
-
-static int dtt200u_fe_get_frontend(struct dvb_frontend* fe,
-				  struct dvb_frontend_parameters *fep)
-{
-	struct dtt200u_fe_state *state = fe->demodulator_priv;
-	memcpy(fep,&state->fep,sizeof(struct dvb_frontend_parameters));
-	return 0;
-}
-
-static void dtt200u_fe_release(struct dvb_frontend* fe)
-{
-	struct dtt200u_fe_state *state = (struct dtt200u_fe_state*) fe->demodulator_priv;
-	kfree(state);
-}
-
-static int dtt200u_pid_control(struct dvb_frontend *fe,int index, int pid,int onoff)
-{
-	struct dtt200u_fe_state *state = (struct dtt200u_fe_state*) fe->demodulator_priv;
-	u8 b_pid[4];
-	pid = onoff ? pid : 0;
-
-	b_pid[0] = 0x04;
-	b_pid[1] = index;
-	b_pid[2] = pid & 0xff;
-	b_pid[3] = (pid >> 8) & 0xff;
-
-	dibusb_write_usb(state->dib,b_pid,4);
-	return 0;
-}
-
-static int dtt200u_fifo_control(struct dvb_frontend *fe, int onoff)
-{
-	struct dtt200u_fe_state *state = (struct dtt200u_fe_state*) fe->demodulator_priv;
-	u8 b_streaming[2] = { 0x08, onoff };
-	u8 b_rst_pid[1] = { 0x05 };
-
-	dibusb_write_usb(state->dib,b_streaming,2);
-
-	if (!onoff)
-		dibusb_write_usb(state->dib,b_rst_pid,1);
-	return 0;
-}
-
-static struct dvb_frontend_ops dtt200u_fe_ops;
-
-struct dvb_frontend* dtt200u_fe_attach(struct usb_dibusb *dib, struct dib_fe_xfer_ops *xfer_ops)
-{
-	struct dtt200u_fe_state* state = NULL;
-
-	/* allocate memory for the internal state */
-	state = (struct dtt200u_fe_state*) kmalloc(sizeof(struct dtt200u_fe_state), GFP_KERNEL);
-	if (state == NULL)
-		goto error;
-	memset(state,0,sizeof(struct dtt200u_fe_state));
-
-	deb_info("attaching frontend dtt200u\n");
-
-	state->dib = dib;
-
-	state->frontend.ops = &dtt200u_fe_ops;
-	state->frontend.demodulator_priv = state;
-
-	xfer_ops->fifo_ctrl = dtt200u_fifo_control;
-	xfer_ops->pid_ctrl = dtt200u_pid_control;
-
-	goto success;
-error:
-	return NULL;
-success:
-	return &state->frontend;
-}
-
-static struct dvb_frontend_ops dtt200u_fe_ops = {
-	.info = {
-		.name			= "DTT200U (Yakumo/Typhoon/Hama) DVB-T",
-		.type			= FE_OFDM,
-		.frequency_min		= 44250000,
-		.frequency_max		= 867250000,
-		.frequency_stepsize	= 250000,
-		.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_RECOVER |
-				FE_CAN_HIERARCHY_AUTO,
-	},
-
-	.release = dtt200u_fe_release,
-
-	.init = dtt200u_fe_init,
-	.sleep = dtt200u_fe_sleep,
-
-	.set_frontend = dtt200u_fe_set_frontend,
-	.get_frontend = dtt200u_fe_get_frontend,
-	.get_tune_settings = dtt200u_fe_get_tune_settings,
-
-	.read_status = dtt200u_fe_read_status,
-	.read_ber = dtt200u_fe_read_ber,
-	.read_signal_strength = dtt200u_fe_read_signal_strength,
-	.read_snr = dtt200u_fe_read_snr,
-	.read_ucblocks = dtt200u_fe_read_unc_blocks,
-};