DVB: add firesat driver

Original code written by Christian Dolzer <c.dolzer@digital-everywhere.com>

Cleaned up by Greg.

Major cleanup and reorg by Manu Abraham <manu@linuxtv.org>

Additions also by Ben Backx <ben@bbackx.com>

Cc: Christian Dolzer <c.dolzer@digital-everywhere.com>
Cc: Andreas Monitzer <andy@monitzer.com>
Cc: Manu Abraham <manu@linuxtv.org>
Cc: Fabio De Lorenzo <delorenzo.fabio@gmail.com>
Cc: Robert Berger <robert.berger@reliableembeddedsystems.com>
Signed-off-by: NBen Backx <ben@bbackx.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

Added missing dependency to dvb/firesat/Kconfig,
Reported-by: NRandy Dunlap <randy.dunlap@oracle.com>

Tweaked dvb/Makefile.
Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>

drivers/media/dvb/Kconfig

@@ -51,6 +51,8 @@ comment "Supported SDMC DM1105 Adapters"
 	depends on DVB_CORE && PCI && I2C
 source "drivers/media/dvb/dm1105/Kconfig"
 
+source "drivers/media/dvb/firesat/Kconfig"
+
 comment "Supported DVB Frontends"
 	depends on DVB_CORE
 source "drivers/media/dvb/frontends/Kconfig"

drivers/media/dvb/Makefile

@@ -3,3 +3,5 @@
 #
 
 obj-y        := dvb-core/ frontends/ ttpci/ ttusb-dec/ ttusb-budget/ b2c2/ bt8xx/ dvb-usb/ pluto2/ siano/ dm1105/
+
+obj-$(CONFIG_DVB_FIRESAT)	+= firesat/

drivers/media/dvb/firesat/Kconfig

+config DVB_FIRESAT
+	tristate "FireSAT devices"
+	depends on DVB_CORE && IEEE1394 && INPUT
+	help
+	  Support for external IEEE1394 adapters designed by Digital Everywhere and
+	  produced by El Gato, shipped under the brand name 'FireDTV/FloppyDTV'.
+
+	  These devices don't have a MPEG decoder built in, so you need
+	  an external software decoder to watch TV.
+
+	  Say Y if you own such a device and want to use it.

drivers/media/dvb/firesat/Makefile

+firesat-objs := firesat_1394.o	\
+		firesat_dvb.o	\
+		firesat_fe.o	\
+		avc_api.o	\
+		cmp.o		\
+		firesat-rc.o	\
+		firesat-ci.o
+
+obj-$(CONFIG_DVB_FIRESAT) += firesat.o
+
+EXTRA_CFLAGS := -Idrivers/ieee1394
+EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core

drivers/media/dvb/firesat/avc_api.h

+/***************************************************************************
+                          avc_api.h  -  description
+                             -------------------
+    begin                : Wed May 1 2000
+    copyright            : (C) 2000 by Manfred Weihs
+    copyright            : (C) 2003 by Philipp Gutgsell
+    email                : 0014guph@edu.fh-kaernten.ac.at
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+/*
+ This is based on code written by Peter Halwachs,
+ Thomas Groiss and Andreas Monitzer.
+*/
+
+
+#ifndef __AVC_API_H__
+#define __AVC_API_H__
+
+#include <linux/dvb/frontend.h>
+
+#define BYTE	unsigned char
+#define WORD	unsigned short
+#define DWORD	unsigned long
+#define ULONG	unsigned long
+#define LONG	long
+
+
+/*************************************************************
+	FCP Address range
+**************************************************************/
+
+#define RESPONSE_REGISTER	0xFFFFF0000D00ULL
+#define COMMAND_REGISTER	0xFFFFF0000B00ULL
+#define PCR_BASE_ADDRESS	0xFFFFF0000900ULL
+
+
+/************************************************************
+	definition of structures
+*************************************************************/
+typedef struct {
+	   int           Nr_SourcePlugs;
+	   int 	         Nr_DestinationPlugs;
+} TunerInfo;
+
+
+/***********************************************
+
+         supported cts
+
+************************************************/
+
+#define AVC  0x0
+
+// FCP command frame with ctype = 0x0 is AVC command frame
+
+#ifdef __LITTLE_ENDIAN
+
+// Definition FCP Command Frame
+typedef struct _AVCCmdFrm
+{
+		// AV/C command frame
+	BYTE ctype  : 4 ;   // command type
+	BYTE cts    : 4 ;   // always 0x0 for AVC
+	BYTE suid   : 3 ;   // subunit ID
+	BYTE sutyp  : 5 ;   // subunit_typ
+	BYTE opcode : 8 ;   // opcode
+	BYTE operand[509] ; // array of operands [1-507]
+	int length;         //length of the command frame
+} AVCCmdFrm ;
+
+// Definition FCP Response Frame
+typedef struct _AVCRspFrm
+{
+        // AV/C response frame
+	BYTE resp		: 4 ;   // response type
+	BYTE cts		: 4 ;   // always 0x0 for AVC
+	BYTE suid		: 3 ;   // subunit ID
+	BYTE sutyp	: 5 ;   // subunit_typ
+	BYTE opcode	: 8 ;   // opcode
+	BYTE operand[509] ; // array of operands [1-507]
+	int length;         //length of the response frame
+} AVCRspFrm ;
+
+#else
+
+typedef struct _AVCCmdFrm
+{
+	BYTE cts:4;
+	BYTE ctype:4;
+	BYTE sutyp:5;
+	BYTE suid:3;
+	BYTE opcode;
+	BYTE operand[509];
+	int length;
+} AVCCmdFrm;
+
+typedef struct _AVCRspFrm
+{
+	BYTE cts:4;
+	BYTE resp:4;
+	BYTE sutyp:5;
+	BYTE suid:3;
+	BYTE opcode;
+	BYTE operand[509];
+	int length;
+} AVCRspFrm;
+
+#endif
+
+/*************************************************************
+	AVC command types (ctype)
+**************************************************************///
+#define CONTROL    0x00
+#define STATUS     0x01
+#define INQUIRY    0x02
+#define NOTIFY     0x03
+
+/*************************************************************
+	AVC respond types
+**************************************************************///
+#define NOT_IMPLEMENTED 0x8
+#define ACCEPTED        0x9
+#define REJECTED        0xA
+#define STABLE          0xC
+#define CHANGED         0xD
+#define INTERIM         0xF
+
+/*************************************************************
+	AVC opcodes
+**************************************************************///
+#define CONNECT			0x24
+#define DISCONNECT		0x25
+#define UNIT_INFO		0x30
+#define SUBUNIT_Info		0x31
+#define VENDOR			0x00
+
+#define PLUG_INFO		0x02
+#define OPEN_DESCRIPTOR		0x08
+#define READ_DESCRIPTOR		0x09
+#define OBJECT_NUMBER_SELECT	0x0D
+
+/*************************************************************
+	AVCTuner opcodes
+**************************************************************/
+
+#define DSIT				0xC8
+#define DSD				0xCB
+#define DESCRIPTOR_TUNER_STATUS 	0x80
+#define DESCRIPTOR_SUBUNIT_IDENTIFIER	0x00
+
+/*************************************************************
+	AVCTuner list types
+**************************************************************/
+#define Multiplex_List   0x80
+#define Service_List     0x82
+
+/*************************************************************
+	AVCTuner object entries
+**************************************************************/
+#define Multiplex	 			0x80
+#define Service 	 			0x82
+#define Service_with_specified_components	0x83
+#define Preferred_components			0x90
+#define Component				0x84
+
+/*************************************************************
+	Vendor-specific commands
+**************************************************************/
+
+// digital everywhere vendor ID
+#define SFE_VENDOR_DE_COMPANYID_0			0x00
+#define SFE_VENDOR_DE_COMPANYID_1			0x12
+#define SFE_VENDOR_DE_COMPANYID_2			0x87
+
+#define SFE_VENDOR_MAX_NR_COMPONENTS		0x4
+#define SFE_VENDOR_MAX_NR_SERVICES			0x3
+#define SFE_VENDOR_MAX_NR_DSD_ELEMENTS		0x10
+
+// vendor commands
+#define SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL	0x0A
+#define SFE_VENDOR_OPCODE_LNB_CONTROL		0x52
+#define SFE_VENDOR_OPCODE_TUNE_QPSK			0x58	// QPSK command for DVB-S
+
+// TODO: following vendor specific commands needs to be implemented
+#define SFE_VENDOR_OPCODE_GET_FIRMWARE_VERSION	0x00
+#define SFE_VENDOR_OPCODE_HOST2CA				0x56
+#define SFE_VENDOR_OPCODE_CA2HOST				0x57
+#define SFE_VENDOR_OPCODE_CISTATUS				0x59
+#define SFE_VENDOR_OPCODE_TUNE_QPSK2			0x60 // QPSK command for DVB-S2 devices
+
+
+//AVCTuner DVB identifier service_ID
+#define DVB 0x20
+
+/*************************************************************
+						AVC descriptor types
+**************************************************************/
+
+#define Subunit_Identifier_Descriptor		 0x00
+#define Tuner_Status_Descriptor				 0x80
+
+typedef struct {
+	BYTE          Subunit_Type;
+	BYTE          Max_Subunit_ID;
+} SUBUNIT_INFO;
+
+/*************************************************************
+
+		AVCTuner DVB object IDs are 6 byte long
+
+**************************************************************/
+
+typedef struct {
+	BYTE  Byte0;
+	BYTE  Byte1;
+	BYTE  Byte2;
+	BYTE  Byte3;
+	BYTE  Byte4;
+	BYTE  Byte5;
+}OBJECT_ID;
+
+/*************************************************************
+						MULIPLEX Structs
+**************************************************************/
+typedef struct
+{
+#ifdef __LITTLE_ENDIAN
+	BYTE       RF_frequency_hByte:6;
+	BYTE       raster_Frequency:2;//Bit7,6 raster frequency
+#else
+	BYTE raster_Frequency:2;
+	BYTE RF_frequency_hByte:6;
+#endif
+	BYTE       RF_frequency_mByte;
+	BYTE       RF_frequency_lByte;
+
+}FREQUENCY;
+
+#ifdef __LITTLE_ENDIAN
+
+typedef struct
+{
+		 BYTE        Modulation	    :1;
+		 BYTE        FEC_inner	    :1;
+		 BYTE        FEC_outer	    :1;
+		 BYTE        Symbol_Rate    :1;
+		 BYTE        Frequency	    :1;
+		 BYTE        Orbital_Pos	:1;
+		 BYTE        Polarisation	:1;
+		 BYTE        reserved_fields :1;
+		 BYTE        reserved1		:7;
+		 BYTE        Network_ID	:1;
+
+}MULTIPLEX_VALID_FLAGS;
+
+typedef struct
+{
+	BYTE	GuardInterval:1;
+	BYTE	CodeRateLPStream:1;
+	BYTE	CodeRateHPStream:1;
+	BYTE	HierarchyInfo:1;
+	BYTE	Constellation:1;
+	BYTE	Bandwidth:1;
+	BYTE	CenterFrequency:1;
+	BYTE	reserved1:1;
+	BYTE	reserved2:5;
+	BYTE	OtherFrequencyFlag:1;
+	BYTE	TransmissionMode:1;
+	BYTE	NetworkId:1;
+}MULTIPLEX_VALID_FLAGS_DVBT;
+
+#else
+
+typedef struct {
+	BYTE reserved_fields:1;
+	BYTE Polarisation:1;
+	BYTE Orbital_Pos:1;
+	BYTE Frequency:1;
+	BYTE Symbol_Rate:1;
+	BYTE FEC_outer:1;
+	BYTE FEC_inner:1;
+	BYTE Modulation:1;
+	BYTE Network_ID:1;
+	BYTE reserved1:7;
+}MULTIPLEX_VALID_FLAGS;
+
+typedef struct {
+	BYTE reserved1:1;
+	BYTE CenterFrequency:1;
+	BYTE Bandwidth:1;
+	BYTE Constellation:1;
+	BYTE HierarchyInfo:1;
+	BYTE CodeRateHPStream:1;
+	BYTE CodeRateLPStream:1;
+	BYTE GuardInterval:1;
+	BYTE NetworkId:1;
+	BYTE TransmissionMode:1;
+	BYTE OtherFrequencyFlag:1;
+	BYTE reserved2:5;
+}MULTIPLEX_VALID_FLAGS_DVBT;
+
+#endif
+
+typedef union {
+	MULTIPLEX_VALID_FLAGS Bits;
+	MULTIPLEX_VALID_FLAGS_DVBT Bits_T;
+	struct {
+		BYTE	ByteHi;
+		BYTE	ByteLo;
+	} Valid_Word;
+} M_VALID_FLAGS;
+
+typedef struct
+{
+#ifdef __LITTLE_ENDIAN
+  BYTE      ActiveSystem;
+  BYTE      reserved:5;
+  BYTE      NoRF:1;
+  BYTE      Moving:1;
+  BYTE      Searching:1;
+
+  BYTE      SelectedAntenna:7;
+  BYTE      Input:1;
+
+  BYTE      BER[4];
+
+  BYTE      SignalStrength;
+  FREQUENCY Frequency;
+
+  BYTE      ManDepInfoLength;
+#else
+  BYTE ActiveSystem;
+  BYTE Searching:1;
+  BYTE Moving:1;
+  BYTE NoRF:1;
+  BYTE reserved:5;
+
+  BYTE Input:1;
+  BYTE SelectedAntenna:7;
+
+  BYTE BER[4];
+
+  BYTE SignalStrength;
+  FREQUENCY Frequency;
+
+  BYTE ManDepInfoLength;
+#endif
+} ANTENNA_INPUT_INFO; // 11 Byte
+
+#define LNBCONTROL_DONTCARE 0xff
+
+
+extern int AVCWrite(struct firesat *firesat, const AVCCmdFrm *CmdFrm, AVCRspFrm *RspFrm);
+extern int AVCRecv(struct firesat *firesat, u8 *data, size_t length);
+
+extern int AVCTuner_DSIT(struct firesat *firesat,
+                           int Source_Plug,
+						   struct dvb_frontend_parameters *params,
+                           BYTE *status);
+
+extern int AVCTunerStatus(struct firesat *firesat, ANTENNA_INPUT_INFO *antenna_input_info);
+extern int AVCTuner_DSD(struct firesat *firesat, struct dvb_frontend_parameters *params, BYTE *status);
+extern int AVCTuner_SetPIDs(struct firesat *firesat, unsigned char pidc, u16 pid[]);
+extern int AVCTuner_GetTS(struct firesat *firesat);
+
+extern int AVCIdentifySubunit(struct firesat *firesat, unsigned char *systemId, int *transport, int *has_ci);
+extern int AVCLNBControl(struct firesat *firesat, char voltage, char burst, char conttone, char nrdiseq, struct dvb_diseqc_master_cmd *diseqcmd);
+extern int AVCSubUnitInfo(struct firesat *firesat, char *subunitcount);
+extern int AVCRegisterRemoteControl(struct firesat *firesat);
+
+#endif
+

drivers/media/dvb/firesat/cmp.c

+#include "cmp.h"
+#include <ieee1394.h>
+#include <nodemgr.h>
+#include <highlevel.h>
+#include <ohci1394.h>
+#include <hosts.h>
+#include <ieee1394_core.h>
+#include <ieee1394_transactions.h>
+#include "avc_api.h"
+
+typedef struct _OPCR
+{
+	BYTE PTPConnCount    : 6 ; // Point to point connect. counter
+	BYTE BrConnCount     : 1 ; // Broadcast connection counter
+	BYTE OnLine          : 1 ; // On Line
+
+	BYTE ChNr            : 6 ; // Channel number
+	BYTE Res             : 2 ; // Reserved
+
+	BYTE PayloadHi       : 2 ; // Payoad high bits
+	BYTE OvhdID          : 4 ; // Overhead ID
+	BYTE DataRate        : 2 ; // Data Rate
+
+	BYTE PayloadLo           ; // Payoad low byte
+} OPCR ;
+
+#define FIRESAT_SPEED IEEE1394_SPEED_400
+
+/* hpsb_lock is being removed from the kernel-source,
+ * therefor we define our own 'firesat_hpsb_lock'*/
+
+int send_packet_and_wait(struct hpsb_packet *packet);
+
+int firesat_hpsb_lock(struct hpsb_host *host, nodeid_t node, unsigned int generation,
+		u64 addr, int extcode, quadlet_t * data, quadlet_t arg) {
+
+	struct hpsb_packet *packet;
+	int retval = 0;
+
+	BUG_ON(in_interrupt()); // We can't be called in an interrupt, yet
+
+	packet = hpsb_make_lockpacket(host, node, addr, extcode, data, arg);
+	if (!packet)
+		return -ENOMEM;
+
+	packet->generation = generation;
+	retval = send_packet_and_wait(packet);
+	if (retval < 0)
+		goto hpsb_lock_fail;
+
+	retval = hpsb_packet_success(packet);
+
+	if (retval == 0) {
+		*data = packet->data[0];
+	}
+
+	hpsb_lock_fail:
+	hpsb_free_tlabel(packet);
+	hpsb_free_packet(packet);
+
+	return retval;
+}
+
+
+static int cmp_read(struct firesat *firesat, void *buffer, u64 addr, size_t length) {
+	int ret;
+	if(down_interruptible(&firesat->avc_sem))
+		return -EINTR;
+
+	ret = hpsb_read(firesat->host, firesat->nodeentry->nodeid, firesat->nodeentry->generation,
+		addr, buffer, length);
+
+	up(&firesat->avc_sem);
+	return ret;
+}
+
+static int cmp_lock(struct firesat *firesat, quadlet_t *data, u64 addr, quadlet_t arg, int ext_tcode) {
+	int ret;
+	if(down_interruptible(&firesat->avc_sem))
+		return -EINTR;
+
+	ret = firesat_hpsb_lock(firesat->host, firesat->nodeentry->nodeid, firesat->nodeentry->generation,
+		addr, ext_tcode, data, arg);
+
+	up(&firesat->avc_sem);
+	return ret;
+}
+
+//try establishing a point-to-point connection (may be interrupted by a busreset
+int try_CMPEstablishPPconnection(struct firesat *firesat, int output_plug, int iso_channel) {
+	unsigned int BWU; //bandwidth to allocate
+
+	quadlet_t old_oPCR,test_oPCR = 0x0;
+	u64 oPCR_address=0xfffff0000904ull+(output_plug << 2);
+	int result=cmp_read(firesat, &test_oPCR, oPCR_address, 4);
+
+	printk(KERN_INFO "%s: nodeid = %d\n",__func__,firesat->nodeentry->nodeid);
+
+	if (result < 0) {
+		printk("%s: cannot read oPCR\n", __func__);
+		return result;
+	} else {
+		printk(KERN_INFO "%s: oPCR = %08x\n",__func__,test_oPCR);
+		do {
+			OPCR *hilf= (OPCR*) &test_oPCR;
+
+			if (!hilf->OnLine) {
+				printk("%s: Output offline; oPCR: %08x\n", __func__, test_oPCR);
+				return -EBUSY;
+			} else {
+				quadlet_t new_oPCR;
+
+				old_oPCR=test_oPCR;
+				if (hilf->PTPConnCount) {
+					if (hilf->ChNr != iso_channel) {
+						printk("%s: Output plug has already connection on channel %u; cannot change it to channel %u\n",__func__,hilf->ChNr,iso_channel);
+						return -EBUSY;
+					} else
+						printk(KERN_INFO "%s: Overlaying existing connection; connection counter was: %u\n",__func__, hilf->PTPConnCount);
+					BWU=0; //we allocate no bandwidth (is this necessary?)
+				} else {
+					hilf->ChNr=iso_channel;
+					hilf->DataRate=FIRESAT_SPEED;
+
+					hilf->OvhdID=0;      //FIXME: that is for worst case -> optimize
+					BWU=hilf->OvhdID?hilf->OvhdID*32:512;
+					BWU += (hilf->PayloadLo + (hilf->PayloadHi << 8) +3) * (2 << (3-hilf->DataRate));
+/*					if (allocate_1394_resources(iso_channel,BWU))
+					{
+						cout << "Allocation of resources failed\n";
+						return -2;
+					}*/
+				}
+
+				hilf->PTPConnCount++;
+				new_oPCR=test_oPCR;
+				printk(KERN_INFO "%s: trying compare_swap...\n",__func__);
+				printk(KERN_INFO "%s: oPCR_old: %08x, oPCR_new: %08x\n",__func__, old_oPCR, new_oPCR);
+				result=cmp_lock(firesat, &test_oPCR, oPCR_address, old_oPCR, 2);
+
+				if (result < 0) {
+					printk("%s: cannot compare_swap oPCR\n",__func__);
+					return result;
+				}
+				if ((old_oPCR != test_oPCR) && (!((OPCR*) &old_oPCR)->PTPConnCount))
+				{
+					printk("%s: change of oPCR failed -> freeing resources\n",__func__);
+//					hilf= (OPCR*) &new_oPCR;
+//					unsigned int BWU=hilf->OvhdID?hilf->OvhdID*32:512;
+//					BWU += (hilf->Payload+3) * (2 << (3-hilf->DataRate));
+/*					if (deallocate_1394_resources(iso_channel,BWU))
+					{
+
+						cout << "Deallocation of resources failed\n";
+						return -3;
+					}*/
+				}
+			}
+		}
+		while (old_oPCR != test_oPCR);
+	}
+	return 0;
+}
+
+//try breaking a point-to-point connection (may be interrupted by a busreset
+int try_CMPBreakPPconnection(struct firesat *firesat, int output_plug,int iso_channel) {
+	quadlet_t old_oPCR,test_oPCR;
+
+	u64 oPCR_address=0xfffff0000904ull+(output_plug << 2);
+	int result=cmp_read(firesat, &test_oPCR, oPCR_address, 4);
+
+	printk(KERN_INFO "%s\n",__func__);
+
+	if (result < 0) {
+		printk("%s: cannot read oPCR\n", __func__);
+		return result;
+	} else {
+		do {
+			OPCR *hilf= (OPCR*) &test_oPCR;
+
+			if (!hilf->OnLine || !hilf->PTPConnCount || hilf->ChNr != iso_channel) {
+				printk("%s: Output plug does not have PtP-connection on that channel; oPCR: %08x\n", __func__, test_oPCR);
+				return -EINVAL;
+			} else {
+				quadlet_t new_oPCR;
+				old_oPCR=test_oPCR;
+				hilf->PTPConnCount--;
+				new_oPCR=test_oPCR;
+
+//				printk(KERN_INFO "%s: trying compare_swap...\n", __func__);
+				result=cmp_lock(firesat, &test_oPCR, oPCR_address, old_oPCR, 2);
+				if (result < 0) {
+					printk("%s: cannot compare_swap oPCR\n",__func__);
+					return result;
+				}
+			}
+
+		} while (old_oPCR != test_oPCR);
+
+/*		hilf = (OPCR*) &old_oPCR;
+		if (hilf->PTPConnCount == 1) { // if we were the last owner of this connection
+			cout << "deallocating 1394 resources\n";
+			unsigned int BWU=hilf->OvhdID?hilf->OvhdID*32:512;
+			BWU += (hilf->PayloadLo + (hilf->PayloadHi << 8) +3) * (2 << (3-hilf->DataRate));
+			if (deallocate_1394_resources(iso_channel,BWU))
+			{
+				cout << "Deallocation of resources failed\n";
+				return -3;
+			}
+		}*/
+    }
+	return 0;
+}
+
+static void complete_packet(void *data) {
+	complete((struct completion *) data);
+}
+
+int send_packet_and_wait(struct hpsb_packet *packet) {
+	struct completion done;
+	int retval;
+
+	init_completion(&done);
+	hpsb_set_packet_complete_task(packet, complete_packet, &done);
+	retval = hpsb_send_packet(packet);
+	if (retval == 0)
+		wait_for_completion(&done);
+
+	return retval;
+}

drivers/media/dvb/firesat/cmp.h

+#ifndef __FIRESAT__CMP_H_
+#define __FIRESAT__CMP_H_
+
+#include "firesat.h"
+
+extern int try_CMPEstablishPPconnection(struct firesat *firesat, int output_plug, int iso_channel);
+extern int try_CMPBreakPPconnection(struct firesat *firesat, int output_plug,int iso_channel);
+
+#endif

drivers/media/dvb/firesat/firesat-ci.c

+#include "firesat-ci.h"
+#include "firesat.h"
+#include "avc_api.h"
+
+#include <linux/dvb/ca.h>
+#include <dvbdev.h>
+/*
+static int firesat_ca_do_ioctl(struct inode *inode, struct file *file, unsigned int cmd, void *parg) {
+	//struct firesat *firesat = (struct firesat*)((struct dvb_device*)file->private_data)->priv;
+	int err;
+
+//	printk(KERN_INFO "%s: ioctl %d\n",__func__,cmd);
+
+	switch(cmd) {
+	case CA_RESET:
+		// TODO: Needs to be implemented with new AVC Vendor commands
+		break;
+	case CA_GET_CAP: {
+		ca_caps_t *cap=(ca_caps_t*)parg;
+		cap->slot_num = 1;
+		cap->slot_type = CA_CI_LINK;
+		cap->descr_num = 1;
+		cap->descr_type = CA_DSS;
+
+		err = 0;
+		break;
+	}
+	case CA_GET_SLOT_INFO: {
+		ca_slot_info_t *slot=(ca_slot_info_t*)parg;
+		if(slot->num == 0) {
+			slot->type = CA_CI | CA_CI_LINK | CA_DESCR;
+			slot->flags = CA_CI_MODULE_PRESENT | CA_CI_MODULE_READY;
+		} else {
+			slot->type = 0;
+			slot->flags = 0;
+		}
+		err = 0;
+		break;
+	}
+	default:
+			err=-EINVAL;
+	}
+	return err;
+}
+*/
+
+static int firesat_ca_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) {
+	//return dvb_usercopy(inode, file, cmd, arg, firesat_ca_do_ioctl);
+	return dvb_generic_ioctl(inode, file, cmd, arg);
+}
+
+static int firesat_ca_io_open(struct inode *inode, struct file *file) {
+	printk(KERN_INFO "%s!\n",__func__);
+	return dvb_generic_open(inode, file);
+}
+
+static int firesat_ca_io_release(struct inode *inode, struct file *file) {
+	printk(KERN_INFO "%s!\n",__func__);
+	return dvb_generic_release(inode, file);
+}
+
+static unsigned int firesat_ca_io_poll(struct file *file, poll_table *wait) {
+//	printk(KERN_INFO "%s!\n",__func__);
+	return POLLIN;
+}
+
+static struct file_operations firesat_ca_fops = {
+	.owner = THIS_MODULE,
+	.read = NULL, // There is no low level read anymore
+	.write = NULL, // There is no low level write anymore
+	.ioctl = firesat_ca_ioctl,
+	.open = firesat_ca_io_open,
+	.release = firesat_ca_io_release,
+	.poll = firesat_ca_io_poll,
+};
+
+static struct dvb_device firesat_ca = {
+	.priv = NULL,
+	.users = 1,
+	.readers = 1,
+	.writers = 1,
+	.fops = &firesat_ca_fops,
+};
+
+int firesat_ca_init(struct firesat *firesat) {
+	int ret = dvb_register_device(firesat->adapter, &firesat->cadev, &firesat_ca, firesat, DVB_DEVICE_CA);
+	if(ret) return ret;
+
+	// avoid unnecessary delays, we're not talking to the CI yet anyways
+	return 0;
+}
+
+void firesat_ca_release(struct firesat *firesat) {
+	dvb_unregister_device(firesat->cadev);
+}

drivers/media/dvb/firesat/firesat-ci.h

+#ifndef __FIRESAT_CA_H
+#define __FIRESAT_CA_H
+
+#include "firesat.h"
+
+int firesat_ca_init(struct firesat *firesat);
+void firesat_ca_release(struct firesat *firesat);
+
+#endif

drivers/media/dvb/firesat/firesat-rc.c

+#include "firesat.h"
+#include "firesat-rc.h"
+
+#include <linux/input.h>
+
+static u16 firesat_irtable[] = {
+	KEY_ESC,
+	KEY_F9,
+	KEY_1,
+	KEY_2,
+	KEY_3,
+	KEY_4,
+	KEY_5,
+	KEY_6,
+	KEY_7,
+	KEY_8,
+	KEY_9,
+	KEY_I,
+	KEY_0,
+	KEY_ENTER,
+	KEY_RED,
+	KEY_UP,
+	KEY_GREEN,
+	KEY_F10,
+	KEY_SPACE,
+	KEY_F11,
+	KEY_YELLOW,
+	KEY_DOWN,
+	KEY_BLUE,
+	KEY_Z,
+	KEY_P,
+	KEY_PAGEDOWN,
+	KEY_LEFT,
+	KEY_W,
+	KEY_RIGHT,
+	KEY_P,
+	KEY_M,
+	KEY_R,
+	KEY_V,
+	KEY_C,
+	0
+};
+
+static struct input_dev firesat_idev;
+
+int firesat_register_rc(void)
+{
+	int index;
+
+	memset(&firesat_idev, 0, sizeof(firesat_idev));
+
+	firesat_idev.evbit[0] = BIT(EV_KEY);
+
+	for (index = 0; firesat_irtable[index] != 0; index++)
+		set_bit(firesat_irtable[index], firesat_idev.keybit);
+
+	return input_register_device(&firesat_idev);
+}
+
+int firesat_unregister_rc(void)
+{
+	input_unregister_device(&firesat_idev);
+	return 0;
+}
+
+int firesat_got_remotecontrolcode(u16 code)
+{
+	u16 keycode;
+
+	if (code > 0x4500 && code < 0x4520)
+		keycode = firesat_irtable[code - 0x4501];
+	else if (code > 0x453f && code < 0x4543)
+		keycode = firesat_irtable[code - 0x4521];
+	else {
+		printk(KERN_DEBUG "%s: invalid key code 0x%04x\n", __func__,
+		       code);
+		return -EINVAL;
+	}
+
+	input_report_key(&firesat_idev, keycode, 1);
+	input_report_key(&firesat_idev, keycode, 0);
+
+	return 0;
+}

drivers/media/dvb/firesat/firesat-rc.h

+#ifndef __FIRESAT_LIRC_H
+#define __FIRESAT_LIRC_H
+
+extern int firesat_register_rc(void);
+extern int firesat_unregister_rc(void);
+extern int firesat_got_remotecontrolcode(u16 code);
+
+#endif
+

drivers/media/dvb/firesat/firesat.h

+#ifndef __FIRESAT_H
+#define __FIRESAT_H
+
+#include "dvb_frontend.h"
+#include "dmxdev.h"
+#include "dvb_demux.h"
+#include "dvb_net.h"
+
+#include <linux/semaphore.h>
+#include <linux/dvb/frontend.h>
+#include <linux/dvb/dmx.h>
+
+enum model_type {
+    FireSAT_DVB_S = 1,
+    FireSAT_DVB_C = 2,
+    FireSAT_DVB_T = 3
+};
+
+struct firesat {
+	struct dvb_demux dvb_demux;
+	char *model_name;
+
+	/* DVB bits */
+	struct dvb_adapter		*adapter;
+	struct dmxdev			dmxdev;
+	struct dvb_demux		demux;
+	struct dmx_frontend		frontend;
+	struct dvb_net			dvbnet;
+	struct dvb_frontend_info	*frontend_info;
+	struct dvb_frontend		*fe;
+
+	struct dvb_device		*cadev;
+	int				has_ci;
+
+	struct semaphore		avc_sem;
+	atomic_t				avc_reply_received;
+
+	atomic_t				reschedule_remotecontrol;
+
+	struct firesat_channel {
+		struct firesat *firesat;
+		struct dvb_demux_feed *dvbdmxfeed;
+
+		int active;
+		int id;
+		int pid;
+		int type;	/* 1 - TS, 2 - Filter */
+	} channel[16];
+	struct semaphore		demux_sem;
+
+	/* needed by avc_api */
+	void *respfrm;
+	int resp_length;
+
+//    nodeid_t nodeid;
+    struct hpsb_host *host;
+	u64 guid;			/* GUID of this node */
+	u32 guid_vendor_id;		/* Top 24bits of guid */
+	struct node_entry *nodeentry;
+
+    enum model_type type;
+    char subunit;
+	fe_sec_voltage_t voltage;
+	fe_sec_tone_mode_t tone;
+
+	int isochannel;
+
+    struct list_head list;
+};
+
+extern struct list_head firesat_list;
+extern spinlock_t firesat_list_lock;
+
+/* firesat_dvb.c */
+extern int firesat_start_feed(struct dvb_demux_feed *dvbdmxfeed);
+extern int firesat_stop_feed(struct dvb_demux_feed *dvbdmxfeed);
+extern int firesat_dvbdev_init(struct firesat *firesat,
+				struct device *dev,
+				struct dvb_frontend *fe);
+
+/* firesat_fe.c */
+extern int firesat_frontend_attach(struct firesat *firesat, struct dvb_frontend *fe);
+
+
+#endif

drivers/media/dvb/firesat/firesat_1394.c

+/*
+ * FireSAT DVB driver
+ *
+ * Copyright (c) 2004 Andreas Monitzer <andy@monitzer.com>
+ * Copyright (c) 2007-2008 Ben Backx <ben@bbackx.com>
+ *
+ *	This program is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU General Public License as
+ *	published by the Free Software Foundation; either version 2 of
+ *	the License, or (at your option) any later version.
+ */
+
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/wait.h>
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/time.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/semaphore.h>
+#include <ieee1394_hotplug.h>
+#include <nodemgr.h>
+#include <highlevel.h>
+#include <ohci1394.h>
+#include <hosts.h>
+#include <dvbdev.h>
+
+#include "firesat.h"
+#include "avc_api.h"
+#include "cmp.h"
+#include "firesat-rc.h"
+#include "firesat-ci.h"
+
+#define FIRESAT_Vendor_ID   0x001287
+
+static struct ieee1394_device_id firesat_id_table[] = {
+
+	{
+		/* FloppyDTV S/CI and FloppyDTV S2 */
+		.match_flags = IEEE1394_MATCH_MODEL_ID | IEEE1394_MATCH_SPECIFIER_ID,
+		.model_id = 0x000024,
+		.specifier_id = AVC_UNIT_SPEC_ID_ENTRY & 0xffffff,
+	},{
+		/* FloppyDTV T/CI */
+		.match_flags = IEEE1394_MATCH_MODEL_ID | IEEE1394_MATCH_SPECIFIER_ID,
+		.model_id = 0x000025,
+		.specifier_id = AVC_UNIT_SPEC_ID_ENTRY & 0xffffff,
+	},{
+		/* FloppyDTV C/CI */
+		.match_flags = IEEE1394_MATCH_MODEL_ID | IEEE1394_MATCH_SPECIFIER_ID,
+		.model_id = 0x000026,
+		.specifier_id = AVC_UNIT_SPEC_ID_ENTRY & 0xffffff,
+	},{
+		/* FireDTV S/CI and FloppyDTV S2 */
+		.match_flags = IEEE1394_MATCH_MODEL_ID | IEEE1394_MATCH_SPECIFIER_ID,
+		.model_id = 0x000034,
+		.specifier_id = AVC_UNIT_SPEC_ID_ENTRY & 0xffffff,
+	},{
+		/* FireDTV T/CI */
+		.match_flags = IEEE1394_MATCH_MODEL_ID | IEEE1394_MATCH_SPECIFIER_ID,
+		.model_id = 0x000035,
+		.specifier_id = AVC_UNIT_SPEC_ID_ENTRY & 0xffffff,
+	},{
+		/* FireDTV C/CI */
+		.match_flags = IEEE1394_MATCH_MODEL_ID | IEEE1394_MATCH_SPECIFIER_ID,
+		.model_id = 0x000036,
+		.specifier_id = AVC_UNIT_SPEC_ID_ENTRY & 0xffffff,
+	}, { }
+};
+
+MODULE_DEVICE_TABLE(ieee1394, firesat_id_table);
+
+/* list of all firesat devices */
+LIST_HEAD(firesat_list);
+spinlock_t firesat_list_lock = SPIN_LOCK_UNLOCKED;
+
+static void firesat_add_host(struct hpsb_host *host);
+static void firesat_remove_host(struct hpsb_host *host);
+static void firesat_host_reset(struct hpsb_host *host);
+
+/*
+static void iso_receive(struct hpsb_host *host, int channel, quadlet_t *data,
+			size_t length);
+*/
+
+static void fcp_request(struct hpsb_host *host,
+			int nodeid,
+			int direction,
+			int cts,
+			u8 *data,
+			size_t length);
+
+static struct hpsb_highlevel firesat_highlevel = {
+	.name		= "FireSAT",
+	.add_host	= firesat_add_host,
+	.remove_host	= firesat_remove_host,
+	.host_reset	= firesat_host_reset,
+// FIXME	.iso_receive =	iso_receive,
+	.fcp_request	= fcp_request,
+};
+
+static void firesat_add_host (struct hpsb_host *host)
+{
+	struct ti_ohci *ohci = (struct ti_ohci *)host->hostdata;
+
+	/* We only work with the OHCI-1394 driver */
+	if (strcmp(host->driver->name, OHCI1394_DRIVER_NAME))
+		return;
+
+	if (!hpsb_create_hostinfo(&firesat_highlevel, host, 0)) {
+		printk(KERN_ERR "Cannot allocate hostinfo\n");
+		return;
+	}
+
+	hpsb_set_hostinfo(&firesat_highlevel, host, ohci);
+	hpsb_set_hostinfo_key(&firesat_highlevel, host, ohci->host->id);
+}
+
+static void firesat_remove_host (struct hpsb_host *host)
+{
+
+}
+
+static void firesat_host_reset(struct hpsb_host *host)
+{
+    printk(KERN_INFO "FireSAT host_reset (nodeid = 0x%x, hosts active = %d)\n",host->node_id,host->nodes_active);
+}
+
+struct firewireheader {
+    union {
+	struct {
+	    unsigned char tcode:4;
+	    unsigned char sy:4;
+	    unsigned char tag:2;
+	    unsigned char channel:6;
+
+	    unsigned char length_l;
+	    unsigned char length_h;
+	} hdr;
+	unsigned long val;
+    };
+};
+
+struct CIPHeader {
+    union {
+	struct {
+	    unsigned char syncbits:2;
+	    unsigned char sid:6;
+	    unsigned char dbs;
+	    unsigned char fn:2;
+	    unsigned char qpc:3;
+	    unsigned char sph:1;
+	    unsigned char rsv:2;
+	    unsigned char dbc;
+	    unsigned char syncbits2:2;
+	    unsigned char fmt:6;
+	    unsigned long fdf:24;
+	} cip;
+	unsigned long long val;
+    };
+};
+
+struct MPEG2Header {
+    union {
+	struct {
+	    unsigned char sync; // must be 0x47
+	    unsigned char transport_error_indicator:1;
+	    unsigned char payload_unit_start_indicator:1;
+	    unsigned char transport_priority:1;
+	    unsigned short pid:13;
+	    unsigned char transport_scrambling_control:2;
+	    unsigned char adaption_field_control:2;
+	    unsigned char continuity_counter:4;
+	} hdr;
+	unsigned long val;
+    };
+};
+
+#if 0
+static void iso_receive(struct hpsb_host *host,
+			int channel,
+			quadlet_t *data,
+			size_t length)
+{
+	struct firesat *firesat = NULL;
+	struct firesat *firesat_entry;
+	unsigned long flags;
+
+//    printk(KERN_INFO "FireSAT iso_receive: channel %d, length = %d\n", channel, length);
+
+	if (length <= 12)
+		return; // ignore empty packets
+	else {
+
+		spin_lock_irqsave(&firesat_list_lock, flags);
+		list_for_each_entry(firesat_entry,&firesat_list,list) {
+			if(firesat_entry->host == host && firesat_entry->isochannel == channel) {
+				firesat=firesat_entry;
+				break;
+			}
+		}
+		spin_unlock_irqrestore(&firesat_list_lock, flags);
+
+		if (firesat) {
+			char *buf= ((char*)data) + sizeof(struct firewireheader)+sizeof(struct CIPHeader);
+			int count = (length-sizeof(struct CIPHeader)) / 192;
+
+//			printk(KERN_INFO "%s: length = %u\n data[0] = %08x\n data[1] = %08x\n data[2] = %08x\n data[3] = %08x\n data[4] = %08x\n",__func__, length, data[0],data[1],data[2],data[3],data[4]);
+
+			while (count--) {
+
+				if (buf[sizeof(quadlet_t) /*timestamp*/] == 0x47)
+					dvb_dmx_swfilter_packets(&firesat->demux, &buf[sizeof(quadlet_t)], 1);
+				else
+					printk("%s: invalid packet, skipping\n", __func__);
+				buf += 188 + sizeof (quadlet_t) /* timestamp */;
+			}
+		}
+	}
+}
+#endif
+
+static void fcp_request(struct hpsb_host *host,
+			int nodeid,
+			int direction,
+			int cts,
+			u8 *data,
+			size_t length)
+{
+	struct firesat *firesat = NULL;
+	struct firesat *firesat_entry;
+	unsigned long flags;
+
+	if (length > 0 && ((data[0] & 0xf0) >> 4) == 0) {
+
+		spin_lock_irqsave(&firesat_list_lock, flags);
+		list_for_each_entry(firesat_entry,&firesat_list,list) {
+			if (firesat_entry->host == host &&
+			    firesat_entry->nodeentry->nodeid == nodeid &&
+			    (firesat_entry->subunit == (data[1]&0x7) ||
+			     (firesat_entry->subunit == 0 &&
+			      (data[1]&0x7) == 0x7))) {
+				firesat=firesat_entry;
+				break;
+			}
+		}
+		spin_unlock_irqrestore(&firesat_list_lock, flags);
+
+		if (firesat)
+			AVCRecv(firesat,data,length);
+		else
+			printk("%s: received fcp request from unknown source, ignored\n", __func__);
+	} // else ignore
+}
+
+static int firesat_probe(struct device *dev)
+{
+	struct unit_directory *ud = container_of(dev, struct unit_directory, device);
+	struct firesat *firesat;
+	struct dvb_frontend *fe;
+	unsigned long flags;
+	int result;
+	unsigned char subunitcount = 0xff, subunit;
+	struct firesat **firesats = kmalloc(sizeof (void*) * 2,GFP_KERNEL);
+
+	if (!firesats) {
+		printk("%s: couldn't allocate memory.\n", __func__);
+		return -ENOMEM;
+	}
+
+//    printk(KERN_INFO "FireSAT: Detected device with GUID %08lx%04lx%04lx\n",(unsigned long)((ud->ne->guid)>>32),(unsigned long)(ud->ne->guid & 0xFFFF),(unsigned long)ud->ne->guid_vendor_id);
+	printk(KERN_INFO "%s: loading device\n", __func__);
+
+	firesats[0] = NULL;
+	firesats[1] = NULL;
+
+	ud->device.driver_data = firesats;
+
+	for (subunit = 0; subunit < subunitcount; subunit++) {
+
+		if (!(firesat = kmalloc(sizeof (struct firesat), GFP_KERNEL)) ||
+		    !(fe = kmalloc(sizeof (struct dvb_frontend), GFP_KERNEL))) {
+
+			printk("%s: couldn't allocate memory.\n", __func__);
+			kfree(firesats);
+			return -ENOMEM;
+		}
+
+		memset(firesat, 0, sizeof (struct firesat));
+
+		firesat->host		= ud->ne->host;
+		firesat->guid		= ud->ne->guid;
+		firesat->guid_vendor_id = ud->ne->guid_vendor_id;
+		firesat->nodeentry	= ud->ne;
+		firesat->isochannel	= -1;
+		firesat->tone		= 0xff;
+		firesat->voltage	= 0xff;
+
+		if (!(firesat->respfrm = kmalloc(sizeof (AVCRspFrm), GFP_KERNEL))) {
+			printk("%s: couldn't allocate memory.\n", __func__);
+			kfree(firesat);
+			return -ENOMEM;
+		}
+
+		sema_init(&firesat->avc_sem, 1);
+		atomic_set(&firesat->avc_reply_received, 1);
+		sema_init(&firesat->demux_sem, 1);
+		atomic_set(&firesat->reschedule_remotecontrol, 0);
+
+		spin_lock_irqsave(&firesat_list_lock, flags);
+		INIT_LIST_HEAD(&firesat->list);
+		list_add_tail(&firesat->list, &firesat_list);
+		spin_unlock_irqrestore(&firesat_list_lock, flags);
+
+		if (subunit == 0) {
+			firesat->subunit = 0x7; // 0x7 = don't care
+			if (AVCSubUnitInfo(firesat, &subunitcount)) {
+				printk("%s: AVC subunit info command failed.\n",__func__);
+				spin_lock_irqsave(&firesat_list_lock, flags);
+				list_del(&firesat->list);
+				spin_unlock_irqrestore(&firesat_list_lock, flags);
+				kfree(firesat);
+				return -EIO;
+			}
+		}
+
+		printk(KERN_INFO "%s: subunit count = %d\n", __func__, subunitcount);
+
+		firesat->subunit = subunit;
+
+		if (AVCIdentifySubunit(firesat, NULL, (int*)&firesat->type, &firesat->has_ci)) {
+			printk("%s: cannot identify subunit %d\n", __func__, subunit);
+			spin_lock_irqsave(&firesat_list_lock, flags);
+			list_del(&firesat->list);
+			spin_unlock_irqrestore(&firesat_list_lock, flags);
+			kfree(firesat);
+			continue;
+		}
+
+// ----
+		firesat_dvbdev_init(firesat, dev, fe);
+// ----
+		firesats[subunit] = firesat;
+	} // loop for all tuners
+
+	//beta ;-) Disable remote control stuff to avoid crashing
+	//if(firesats[0])
+	//	AVCRegisterRemoteControl(firesats[0]);
+
+    return 0;
+}
+
+static int firesat_remove(struct device *dev)
+{
+	struct unit_directory *ud = container_of(dev, struct unit_directory, device);
+	struct dvb_frontend* fe;
+	struct firesat **firesats = ud->device.driver_data;
+	int k;
+	unsigned long flags;
+
+	if (firesats) {
+		for (k = 0; k < 2; k++)
+			if (firesats[k]) {
+				if (firesats[k]->has_ci)
+					firesat_ca_release(firesats[k]);
+
+#if 0
+				if (!(fe = kmalloc(sizeof (struct dvb_frontend), GFP_KERNEL))) {
+					fe->ops = firesat_ops;
+					fe->dvb = firesats[k]->adapter;
+
+					dvb_unregister_frontend(fe);
+					kfree(fe);
+				}
+#endif
+				dvb_net_release(&firesats[k]->dvbnet);
+				firesats[k]->demux.dmx.close(&firesats[k]->demux.dmx);
+				firesats[k]->demux.dmx.remove_frontend(&firesats[k]->demux.dmx, &firesats[k]->frontend);
+				dvb_dmxdev_release(&firesats[k]->dmxdev);
+				dvb_dmx_release(&firesats[k]->demux);
+				dvb_unregister_adapter(firesats[k]->adapter);
+
+				spin_lock_irqsave(&firesat_list_lock, flags);
+				list_del(&firesats[k]->list);
+				spin_unlock_irqrestore(&firesat_list_lock, flags);
+
+				kfree(firesats[k]->adapter);
+				kfree(firesats[k]->respfrm);
+				kfree(firesats[k]);
+			}
+		kfree(firesats);
+	} else
+		printk("%s: can't get firesat handle\n", __func__);
+
+	printk(KERN_INFO "FireSAT: Removing device with vendor id 0x%x, model id 0x%x.\n",ud->vendor_id,ud->model_id);
+
+	return 0;
+}
+
+static int firesat_update(struct unit_directory *ud)
+{
+	struct firesat **firesats = ud->device.driver_data;
+	int k;
+	// loop over subunits
+
+	for (k = 0; k < 2; k++)
+		if (firesats[k]) {
+			firesats[k]->nodeentry = ud->ne;
+
+			if (firesats[k]->isochannel >= 0)
+				try_CMPEstablishPPconnection(firesats[k], firesats[k]->subunit, firesats[k]->isochannel);
+		}
+
+	return 0;
+}
+
+static struct hpsb_protocol_driver firesat_driver = {
+
+	.name		= "FireSAT",
+	.id_table	= firesat_id_table,
+	.update		= firesat_update,
+
+	.driver         = {
+		//.name and .bus are filled in for us in more recent linux versions
+		//.name	= "FireSAT",
+		//.bus	= &ieee1394_bus_type,
+		.probe  = firesat_probe,
+		.remove = firesat_remove,
+	},
+};
+
+static int __init firesat_init(void)
+{
+	int ret;
+
+	printk(KERN_INFO "FireSAT loaded\n");
+	hpsb_register_highlevel(&firesat_highlevel);
+	ret = hpsb_register_protocol(&firesat_driver);
+	if (ret) {
+		printk(KERN_ERR "FireSAT: failed to register protocol\n");
+		hpsb_unregister_highlevel(&firesat_highlevel);
+		return ret;
+	}
+
+	//Crash in this function, just disable RC for the time being...
+	//Don't forget to uncomment in firesat_exit and firesat_probe when you enable this.
+	/*if((ret=firesat_register_rc()))
+		printk("%s: firesat_register_rc return error code %d (ignored)\n", __func__, ret);*/
+
+	return 0;
+}
+
+static void __exit firesat_exit(void)
+{
+	hpsb_unregister_protocol(&firesat_driver);
+	hpsb_unregister_highlevel(&firesat_highlevel);
+	printk(KERN_INFO "FireSAT quit\n");
+}
+
+module_init(firesat_init);
+module_exit(firesat_exit);
+
+MODULE_AUTHOR("Andreas Monitzer <andy@monitzer.com>");
+MODULE_AUTHOR("Ben Backx <ben@bbackx.com>");
+MODULE_DESCRIPTION("FireSAT DVB Driver");
+MODULE_LICENSE("GPL");
+MODULE_SUPPORTED_DEVICE("FireSAT DVB");

drivers/media/dvb/firesat/firesat_dvb.c

+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/wait.h>
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/time.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/semaphore.h>
+#include <ieee1394_hotplug.h>
+#include <nodemgr.h>
+#include <highlevel.h>
+#include <ohci1394.h>
+#include <hosts.h>
+#include <dvbdev.h>
+
+#include "firesat.h"
+#include "avc_api.h"
+#include "cmp.h"
+#include "firesat-rc.h"
+#include "firesat-ci.h"
+
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+static struct firesat_channel *firesat_channel_allocate(struct firesat *firesat)
+{
+	int k;
+
+	printk(KERN_INFO "%s\n", __func__);
+
+	if (down_interruptible(&firesat->demux_sem))
+		return NULL;
+
+	for (k = 0; k < 16; k++) {
+		printk(KERN_INFO "%s: channel %d: active = %d, pid = 0x%x\n",__func__,k,firesat->channel[k].active,firesat->channel[k].pid);
+
+		if (firesat->channel[k].active == 0) {
+			firesat->channel[k].active = 1;
+			up(&firesat->demux_sem);
+			return &firesat->channel[k];
+		}
+	}
+
+	up(&firesat->demux_sem);
+	return NULL; // no more channels available
+}
+
+static int firesat_channel_collect(struct firesat *firesat, int *pidc, u16 pid[])
+{
+	int k, l = 0;
+
+	if (down_interruptible(&firesat->demux_sem))
+		return -EINTR;
+
+	for (k = 0; k < 16; k++)
+		if (firesat->channel[k].active == 1)
+			pid[l++] = firesat->channel[k].pid;
+
+	up(&firesat->demux_sem);
+
+	*pidc = l;
+
+	return 0;
+}
+
+static int firesat_channel_release(struct firesat *firesat,
+				   struct firesat_channel *channel)
+{
+	if (down_interruptible(&firesat->demux_sem))
+		return -EINTR;
+
+	channel->active = 0;
+
+	up(&firesat->demux_sem);
+	return 0;
+}
+
+int firesat_start_feed(struct dvb_demux_feed *dvbdmxfeed)
+{
+	struct firesat *firesat = (struct firesat*)dvbdmxfeed->demux->priv;
+	struct firesat_channel *channel;
+	int pidc,k;
+	u16 pids[16];
+
+	printk(KERN_INFO "%s (pid %u)\n",__func__,dvbdmxfeed->pid);
+
+	switch (dvbdmxfeed->type) {
+	case DMX_TYPE_TS:
+	case DMX_TYPE_SEC:
+		break;
+	default:
+		printk("%s: invalid type %u\n",__func__,dvbdmxfeed->type);
+		return -EINVAL;
+	}
+
+	if (dvbdmxfeed->type == DMX_TYPE_TS) {
+		switch (dvbdmxfeed->pes_type) {
+		case DMX_TS_PES_VIDEO:
+		case DMX_TS_PES_AUDIO:
+		case DMX_TS_PES_TELETEXT:
+		case DMX_TS_PES_PCR:
+		case DMX_TS_PES_OTHER:
+			//Dirty fix to keep firesat->channel pid-list up to date
+			for(k=0;k<16;k++){
+				if(firesat->channel[k].active == 0)
+					firesat->channel[k].pid =
+						dvbdmxfeed->pid;
+					break;
+			}
+			channel = firesat_channel_allocate(firesat);
+			break;
+		default:
+			printk("%s: invalid pes type %u\n",__func__, dvbdmxfeed->pes_type);
+			return -EINVAL;
+		}
+	} else {
+		channel = firesat_channel_allocate(firesat);
+	}
+
+	if (!channel) {
+		printk("%s: busy!\n", __func__);
+		return -EBUSY;
+	}
+
+	dvbdmxfeed->priv = channel;
+
+	channel->dvbdmxfeed = dvbdmxfeed;
+	channel->pid = dvbdmxfeed->pid;
+	channel->type = dvbdmxfeed->type;
+	channel->firesat = firesat;
+
+	if (firesat_channel_collect(firesat, &pidc, pids)) {
+		firesat_channel_release(firesat, channel);
+		return -EINTR;
+	}
+
+	if(dvbdmxfeed->pid == 8192) {
+		if((k=AVCTuner_GetTS(firesat))) {
+			firesat_channel_release(firesat, channel);
+			printk("%s: AVCTuner_GetTS failed with error %d\n",
+				__func__,k);
+			return k;
+		}
+	}
+	else {
+		if((k=AVCTuner_SetPIDs(firesat, pidc, pids))) {
+			firesat_channel_release(firesat, channel);
+			printk("%s: AVCTuner_SetPIDs failed with error %d\n",
+				__func__,k);
+			return k;
+		}
+	}
+
+	return 0;
+}
+
+int firesat_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
+{
+	struct dvb_demux *demux = dvbdmxfeed->demux;
+	struct firesat *firesat = (struct firesat*)demux->priv;
+	int k, l = 0;
+	u16 pids[16];
+
+	printk(KERN_INFO "%s (pid %u)\n", __func__, dvbdmxfeed->pid);
+
+	if (dvbdmxfeed->type == DMX_TYPE_TS && !((dvbdmxfeed->ts_type & TS_PACKET) &&
+				(demux->dmx.frontend->source != DMX_MEMORY_FE))) {
+
+		if (dvbdmxfeed->ts_type & TS_DECODER) {
+
+			if (dvbdmxfeed->pes_type >= DMX_TS_PES_OTHER ||
+				!demux->pesfilter[dvbdmxfeed->pes_type])
+
+				return -EINVAL;
+
+			demux->pids[dvbdmxfeed->pes_type] |= 0x8000;
+			demux->pesfilter[dvbdmxfeed->pes_type] = 0;
+		}
+
+		if (!(dvbdmxfeed->ts_type & TS_DECODER &&
+			dvbdmxfeed->pes_type < DMX_TS_PES_OTHER))
+
+			return 0;
+	}
+
+	if (down_interruptible(&firesat->demux_sem))
+		return -EINTR;
+
+
+	// list except channel to be removed
+	for (k = 0; k < 16; k++)
+		if (firesat->channel[k].active == 1)
+			if (&firesat->channel[k] !=
+				(struct firesat_channel *)dvbdmxfeed->priv)
+				pids[l++] = firesat->channel[k].pid;
+			else
+				firesat->channel[k].active = 0;
+
+	if ((k = AVCTuner_SetPIDs(firesat, l, pids))) {
+		up(&firesat->demux_sem);
+		return k;
+	}
+
+	((struct firesat_channel *)dvbdmxfeed->priv)->active = 0;
+
+	up(&firesat->demux_sem);
+
+	return 0;
+}
+
+int firesat_dvbdev_init(struct firesat *firesat,
+			struct device *dev,
+			struct dvb_frontend *fe)
+{
+	int result;
+
+		firesat->has_ci = 1; // TEMP workaround
+
+#if 0
+		switch (firesat->type) {
+		case FireSAT_DVB_S:
+			firesat->model_name = "FireSAT DVB-S";
+			firesat->frontend_info = &firesat_S_frontend_info;
+			break;
+		case FireSAT_DVB_C:
+			firesat->model_name = "FireSAT DVB-C";
+			firesat->frontend_info = &firesat_C_frontend_info;
+			break;
+		case FireSAT_DVB_T:
+			firesat->model_name = "FireSAT DVB-T";
+			firesat->frontend_info = &firesat_T_frontend_info;
+			break;
+		default:
+			printk("%s: unknown model type 0x%x on subunit %d!\n",
+				__func__, firesat->type,subunit);
+			firesat->model_name = "Unknown";
+			firesat->frontend_info = NULL;
+		}
+#endif
+/* // ------- CRAP -----------
+		if (!firesat->frontend_info) {
+			spin_lock_irqsave(&firesat_list_lock, flags);
+			list_del(&firesat->list);
+			spin_unlock_irqrestore(&firesat_list_lock, flags);
+			kfree(firesat);
+			continue;
+		}
+*/
+		//initialising firesat->adapter before calling dvb_register_adapter
+		if (!(firesat->adapter = kmalloc(sizeof (struct dvb_adapter), GFP_KERNEL))) {
+			printk("%s: couldn't allocate memory.\n", __func__);
+			kfree(firesat->adapter);
+			kfree(firesat);
+			return -ENOMEM;
+		}
+
+		if ((result = dvb_register_adapter(firesat->adapter,
+						   firesat->model_name,
+						   THIS_MODULE,
+						   dev, adapter_nr)) < 0) {
+
+			printk("%s: dvb_register_adapter failed: error %d\n", __func__, result);
+#if 0
+			/* ### cleanup */
+			spin_lock_irqsave(&firesat_list_lock, flags);
+			list_del(&firesat->list);
+			spin_unlock_irqrestore(&firesat_list_lock, flags);
+#endif
+			kfree(firesat);
+
+			return result;
+		}
+
+		firesat->demux.dmx.capabilities = 0/*DMX_TS_FILTERING | DMX_SECTION_FILTERING*/;
+
+		firesat->demux.priv		= (void *)firesat;
+		firesat->demux.filternum	= 16;
+		firesat->demux.feednum		= 16;
+		firesat->demux.start_feed	= firesat_start_feed;
+		firesat->demux.stop_feed	= firesat_stop_feed;
+		firesat->demux.write_to_decoder	= NULL;
+
+		if ((result = dvb_dmx_init(&firesat->demux)) < 0) {
+			printk("%s: dvb_dmx_init failed: error %d\n", __func__,
+				   result);
+
+			dvb_unregister_adapter(firesat->adapter);
+
+			return result;
+		}
+
+		firesat->dmxdev.filternum	= 16;
+		firesat->dmxdev.demux		= &firesat->demux.dmx;
+		firesat->dmxdev.capabilities	= 0;
+
+		if ((result = dvb_dmxdev_init(&firesat->dmxdev, firesat->adapter)) < 0) {
+			printk("%s: dvb_dmxdev_init failed: error %d\n",
+				   __func__, result);
+
+			dvb_dmx_release(&firesat->demux);
+			dvb_unregister_adapter(firesat->adapter);
+
+			return result;
+		}
+
+		firesat->frontend.source = DMX_FRONTEND_0;
+
+		if ((result = firesat->demux.dmx.add_frontend(&firesat->demux.dmx,
+							  &firesat->frontend)) < 0) {
+			printk("%s: dvb_dmx_init failed: error %d\n", __func__,
+				   result);
+
+			dvb_dmxdev_release(&firesat->dmxdev);
+			dvb_dmx_release(&firesat->demux);
+			dvb_unregister_adapter(firesat->adapter);
+
+			return result;
+		}
+
+		if ((result = firesat->demux.dmx.connect_frontend(&firesat->demux.dmx,
+								  &firesat->frontend)) < 0) {
+			printk("%s: dvb_dmx_init failed: error %d\n", __func__,
+				   result);
+
+			firesat->demux.dmx.remove_frontend(&firesat->demux.dmx, &firesat->frontend);
+			dvb_dmxdev_release(&firesat->dmxdev);
+			dvb_dmx_release(&firesat->demux);
+			dvb_unregister_adapter(firesat->adapter);
+
+			return result;
+		}
+
+		dvb_net_init(firesat->adapter, &firesat->dvbnet, &firesat->demux.dmx);
+
+//		fe->ops = firesat_ops;
+//		fe->dvb = firesat->adapter;
+		firesat_frontend_attach(firesat, fe);
+
+		fe->sec_priv = firesat; //IMPORTANT, functions depend on this!!!
+		if ((result= dvb_register_frontend(firesat->adapter, fe)) < 0) {
+			printk("%s: dvb_register_frontend_new failed: error %d\n", __func__, result);
+			/* ### cleanup */
+			return result;
+		}
+
+		if (firesat->has_ci)
+			firesat_ca_init(firesat);
+
+		return 0;
+}

drivers/media/dvb/firesat/firesat_fe.c

+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/wait.h>
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/time.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/semaphore.h>
+#include <ieee1394_hotplug.h>
+#include <nodemgr.h>
+#include <highlevel.h>
+#include <ohci1394.h>
+#include <hosts.h>
+#include <dvbdev.h>
+
+#include "firesat.h"
+#include "avc_api.h"
+#include "cmp.h"
+#include "firesat-rc.h"
+#include "firesat-ci.h"
+
+static int firesat_dvb_init(struct dvb_frontend *fe)
+{
+	struct firesat *firesat = fe->sec_priv;
+	printk("fdi: 1\n");
+	firesat->isochannel = firesat->adapter->num; //<< 1 | (firesat->subunit & 0x1); // ### ask IRM
+	printk("fdi: 2\n");
+	try_CMPEstablishPPconnection(firesat, firesat->subunit, firesat->isochannel);
+	printk("fdi: 3\n");
+//FIXME	hpsb_listen_channel(&firesat_highlevel, firesat->host, firesat->isochannel);
+	printk("fdi: 4\n");
+	return 0;
+}
+
+static int firesat_sleep(struct dvb_frontend *fe)
+{
+	struct firesat *firesat = fe->sec_priv;
+
+//FIXME	hpsb_unlisten_channel(&firesat_highlevel, firesat->host, firesat->isochannel);
+	try_CMPBreakPPconnection(firesat, firesat->subunit, firesat->isochannel);
+	firesat->isochannel = -1;
+	return 0;
+}
+
+static int firesat_diseqc_send_master_cmd(struct dvb_frontend *fe,
+					  struct dvb_diseqc_master_cmd *cmd)
+{
+	struct firesat *firesat = fe->sec_priv;
+
+	return AVCLNBControl(firesat, LNBCONTROL_DONTCARE, LNBCONTROL_DONTCARE,
+			     LNBCONTROL_DONTCARE, 1, cmd);
+}
+
+static int firesat_diseqc_send_burst(struct dvb_frontend *fe,
+				     fe_sec_mini_cmd_t minicmd)
+{
+	return 0;
+}
+
+static int firesat_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
+{
+	struct firesat *firesat = fe->sec_priv;
+
+	firesat->tone = tone;
+	return 0;
+}
+
+static int firesat_set_voltage(struct dvb_frontend *fe,
+			       fe_sec_voltage_t voltage)
+{
+	struct firesat *firesat = fe->sec_priv;
+
+	firesat->voltage = voltage;
+	return 0;
+}
+
+static int firesat_read_status (struct dvb_frontend *fe, fe_status_t *status)
+{
+	struct firesat *firesat = fe->sec_priv;
+	ANTENNA_INPUT_INFO info;
+
+	if (AVCTunerStatus(firesat, &info))
+		return -EINVAL;
+
+	if (info.NoRF)
+		*status = 0;
+	else
+		*status = *status = FE_HAS_SIGNAL	|
+				    FE_HAS_VITERBI	|
+				    FE_HAS_SYNC		|
+				    FE_HAS_CARRIER	|
+				    FE_HAS_LOCK;
+
+	return 0;
+}
+
+static int firesat_read_ber (struct dvb_frontend *fe, u32 *ber)
+{
+	struct firesat *firesat = fe->sec_priv;
+	ANTENNA_INPUT_INFO info;
+
+	if (AVCTunerStatus(firesat, &info))
+		return -EINVAL;
+
+	*ber = ((info.BER[0] << 24) & 0xff)	|
+	       ((info.BER[1] << 16) & 0xff)	|
+	       ((info.BER[2] << 8) & 0xff)	|
+		(info.BER[3] & 0xff);
+
+	return 0;
+}
+
+static int firesat_read_signal_strength (struct dvb_frontend *fe, u16 *strength)
+{
+	struct firesat *firesat = fe->sec_priv;
+	ANTENNA_INPUT_INFO info;
+	u16 *signal = strength;
+
+	if (AVCTunerStatus(firesat, &info))
+		return -EINVAL;
+
+	*signal = info.SignalStrength;
+
+	return 0;
+}
+
+static int firesat_read_snr(struct dvb_frontend *fe, u16 *snr)
+{
+	return -EOPNOTSUPP;
+}
+
+static int firesat_read_uncorrected_blocks(struct dvb_frontend *fe, u32 *ucblocks)
+{
+	return -EOPNOTSUPP;
+}
+
+static int firesat_set_frontend(struct dvb_frontend *fe,
+				struct dvb_frontend_parameters *params)
+{
+	struct firesat *firesat = fe->sec_priv;
+
+	if (AVCTuner_DSD(firesat, params, NULL) != ACCEPTED)
+		return -EINVAL;
+	else
+		return 0; //not sure of this...
+}
+
+static int firesat_get_frontend(struct dvb_frontend *fe,
+				struct dvb_frontend_parameters *params)
+{
+	return -EOPNOTSUPP;
+}
+
+static struct dvb_frontend_info firesat_S_frontend_info;
+static struct dvb_frontend_info firesat_C_frontend_info;
+static struct dvb_frontend_info firesat_T_frontend_info;
+
+static struct dvb_frontend_ops firesat_ops = {
+
+	.init				= firesat_dvb_init,
+	.sleep				= firesat_sleep,
+
+	.set_frontend			= firesat_set_frontend,
+	.get_frontend			= firesat_get_frontend,
+
+	.read_status			= firesat_read_status,
+	.read_ber			= firesat_read_ber,
+	.read_signal_strength		= firesat_read_signal_strength,
+	.read_snr			= firesat_read_snr,
+	.read_ucblocks			= firesat_read_uncorrected_blocks,
+
+	.diseqc_send_master_cmd 	= firesat_diseqc_send_master_cmd,
+	.diseqc_send_burst		= firesat_diseqc_send_burst,
+	.set_tone			= firesat_set_tone,
+	.set_voltage			= firesat_set_voltage,
+};
+
+int firesat_frontend_attach(struct firesat *firesat, struct dvb_frontend *fe)
+{
+	switch (firesat->type) {
+	case FireSAT_DVB_S:
+		firesat->model_name = "FireSAT DVB-S";
+		firesat->frontend_info = &firesat_S_frontend_info;
+		break;
+	case FireSAT_DVB_C:
+		firesat->model_name = "FireSAT DVB-C";
+		firesat->frontend_info = &firesat_C_frontend_info;
+		break;
+	case FireSAT_DVB_T:
+		firesat->model_name = "FireSAT DVB-T";
+		firesat->frontend_info = &firesat_T_frontend_info;
+		break;
+	default:
+//		printk("%s: unknown model type 0x%x on subunit %d!\n",
+//			__func__, firesat->type,subunit);
+		printk("%s: unknown model type 0x%x !\n",
+			__func__, firesat->type);
+		firesat->model_name = "Unknown";
+		firesat->frontend_info = NULL;
+	}
+	fe->ops = firesat_ops;
+	fe->dvb = firesat->adapter;
+
+	return 0;
+}
+
+static struct dvb_frontend_info firesat_S_frontend_info = {
+
+	.name			= "FireSAT DVB-S Frontend",
+	.type			= FE_QPSK,
+
+	.frequency_min		= 950000,
+	.frequency_max		= 2150000,
+	.frequency_stepsize	= 125,
+	.symbol_rate_min	= 1000000,
+	.symbol_rate_max	= 40000000,
+
+	.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,
+};
+
+static struct dvb_frontend_info firesat_C_frontend_info = {
+
+	.name			= "FireSAT DVB-C Frontend",
+	.type			= FE_QAM,
+
+	.frequency_min		= 47000000,
+	.frequency_max		= 866000000,
+	.frequency_stepsize	= 62500,
+	.symbol_rate_min	= 870000,
+	.symbol_rate_max	= 6900000,
+
+	.caps 			= FE_CAN_INVERSION_AUTO 	|
+				  FE_CAN_QAM_16			|
+				  FE_CAN_QAM_32			|
+				  FE_CAN_QAM_64			|
+				  FE_CAN_QAM_128		|
+				  FE_CAN_QAM_256		|
+				  FE_CAN_QAM_AUTO,
+};
+
+static struct dvb_frontend_info firesat_T_frontend_info = {
+
+	.name			= "FireSAT DVB-T Frontend",
+	.type			= FE_OFDM,
+
+	.frequency_min		= 49000000,
+	.frequency_max		= 861000000,
+	.frequency_stepsize	= 62500,
+
+	.caps 			= FE_CAN_INVERSION_AUTO		|
+				  FE_CAN_FEC_2_3		|
+				  FE_CAN_TRANSMISSION_MODE_AUTO |
+				  FE_CAN_GUARD_INTERVAL_AUTO	|
+				  FE_CAN_HIERARCHY_AUTO,
+};