Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6: (342 commits)
  Staging: comedi: fix build errors
  Staging: udlfb: update to version 0.2.3
  Staging: udlfb: fix some sparse warnings.
  Staging: udlfb: clean up checkpatch warnings in udlfb.c
  Staging: udlfb: clean up checkpatch warnings in udlfb.h
  Staging: udlfb: add udlfb driver to build
  Staging: add udlfb driver
  Staging: pata_rdc: remove pointless comments
  Staging: pata_rdc: remove DRIVER macros
  Staging: pata_rdc: remove dbgprintf macro
  Staging: pata_rdc: remove broken flag
  Staging: pata_rdc: fix build warnings
  Staging: pata_rdc: use PCI_DEVICE
  Staging: pata_rdc: remove function prototypes
  Staging: pata_rdc: coding style fixes
  Staging: pata_rdc: convert code to work in 2.6.29
  Staging: pata_rdc: add driver to the build system
  Staging: add pata_rdc driver
  Staging: remove obsolete serqt_usb driver
  Staging: serqt_usb2 add the driver to the build
  ...

1 files changed, 440 insertions, 0 deletions

diff --git a/drivers/staging/cpc-usb/cpc.h b/drivers/staging/cpc-usb/cpc.h
new file mode 100644
index 000000000000..ed8cb34d4763
--- /dev/null
+++ b/drivers/staging/cpc-usb/cpc.h
@@ -0,0 +1,440 @@
+/*
+ * CPC CAN Interface Definitions
+ *
+ * Copyright (C) 2000-2008 EMS Dr. Thomas Wuensche
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ */
+#ifndef CPC_HEADER
+#define CPC_HEADER
+
+// the maximum length of the union members within a CPC_MSG
+// this value can be defined by the customer, but has to be
+// >= 64 bytes
+// however, if not defined before, we set a length of 64 byte
+#if !defined(CPC_MSG_LEN) || (CPC_MSG_LEN < 64)
+#undef CPC_MSG_LEN
+#define CPC_MSG_LEN 64
+#endif
+
+// check the operating system used
+#ifdef _WIN32 // running a Windows OS
+
+// define basic types on Windows platforms
+#ifdef _MSC_VER // Visual Studio
+	typedef unsigned __int8 u8;
+	typedef unsigned __int16 u16;
+	typedef unsigned __int32 u32;
+#else // Borland Compiler
+	typedef unsigned char u8;
+	typedef unsigned short u16;
+	typedef unsigned int u32;
+#endif
+	// on Windows OS we use a byte alignment of 1
+	#pragma pack(push, 1)
+
+	// set the calling conventions for the library function calls
+	#define CALL_CONV __stdcall
+#else
+	// Kernel headers already define this types
+	#ifndef __KERNEL__
+		// define basic types
+		typedef unsigned char u8;
+		typedef unsigned short u16;
+		typedef unsigned int u32;
+	#endif
+
+	// Linux does not use this calling convention
+	#define CALL_CONV
+#endif
+
+// Transmission of events from CPC interfaces to PC can be individually
+// controlled per event type. Default state is: don't transmit
+// Control values are constructed by bit-or of Subject and Action
+// and passed to CPC_Control()
+
+// Control-Values for CPC_Control() Command Subject Selection
+#define CONTR_CAN_Message 0x04
+#define CONTR_Busload	  0x08
+#define	CONTR_CAN_State	  0x0C
+#define	CONTR_SendAck	  0x10
+#define	CONTR_Filter	  0x14
+#define CONTR_CmdQueue    0x18	// reserved, do not use
+#define CONTR_BusError    0x1C
+
+// Control Command Actions
+#define CONTR_CONT_OFF    0
+#define CONTR_CONT_ON     1
+#define CONTR_SING_ON     2
+// CONTR_SING_ON doesn't change CONTR_CONT_ON state, so it should be
+// read as: transmit at least once
+
+// defines for confirmed request
+#define DO_NOT_CONFIRM 0
+#define DO_CONFIRM     1
+
+// event flags
+#define EVENT_READ 0x01
+#define EVENT_WRITE 0x02
+
+// Messages from CPC to PC contain a message object type field.
+// The following message types are sent by CPC and can be used in
+// handlers, others should be ignored.
+#define CPC_MSG_T_RESYNC        0 // Normally to be ignored
+#define CPC_MSG_T_CAN           1 // CAN data frame
+#define CPC_MSG_T_BUSLOAD       2 // Busload message
+#define CPC_MSG_T_STRING        3 // Normally to be ignored
+#define CPC_MSG_T_CONTI         4 // Normally to be ignored
+#define CPC_MSG_T_MEM           7 // Normally not to be handled
+#define	CPC_MSG_T_RTR           8 // CAN remote frame
+#define CPC_MSG_T_TXACK	        9 // Send acknowledge
+#define CPC_MSG_T_POWERUP      10 // Power-up message
+#define	CPC_MSG_T_CMD_NO       11 // Normally to be ignored
+#define	CPC_MSG_T_CAN_PRMS     12 // Actual CAN parameters
+#define	CPC_MSG_T_ABORTED      13 // Command aborted message
+#define	CPC_MSG_T_CANSTATE     14 // CAN state message
+#define CPC_MSG_T_RESET        15 // used to reset CAN-Controller
+#define	CPC_MSG_T_XCAN         16 // XCAN data frame
+#define CPC_MSG_T_XRTR         17 // XCAN remote frame
+#define CPC_MSG_T_INFO         18 // information strings
+#define CPC_MSG_T_CONTROL      19 // used for control of interface/driver behaviour
+#define CPC_MSG_T_CONFIRM      20 // response type for confirmed requests
+#define CPC_MSG_T_OVERRUN      21 // response type for overrun conditions
+#define CPC_MSG_T_KEEPALIVE    22 // response type for keep alive conditions
+#define CPC_MSG_T_CANERROR     23 // response type for bus error conditions
+#define CPC_MSG_T_DISCONNECTED 24 // response type for a disconnected interface
+#define CPC_MSG_T_ERR_COUNTER  25 // RX/TX error counter of CAN controller
+
+#define CPC_MSG_T_FIRMWARE    100 // response type for USB firmware download
+
+// Messages from the PC to the CPC interface contain a command field
+// Most of the command types are wrapped by the library functions and have therefore
+// normally not to be used.
+// However, programmers who wish to circumvent the library and talk directly
+// to the drivers (mainly Linux programmers) can use the following
+// command types:
+
+#define CPC_CMD_T_CAN                 1	// CAN data frame
+#define CPC_CMD_T_CONTROL             3	// used for control of interface/driver behaviour
+#define	CPC_CMD_T_CAN_PRMS            6	// set CAN parameters
+#define	CPC_CMD_T_CLEARBUF            8	// clears input queue; this is depricated, use CPC_CMD_T_CLEAR_MSG_QUEUE instead
+#define	CPC_CMD_T_INQ_CAN_PARMS      11	// inquire actual CAN parameters
+#define	CPC_CMD_T_FILTER_PRMS        12	// set filter parameter
+#define	CPC_CMD_T_RTR                13	// CAN remote frame
+#define	CPC_CMD_T_CANSTATE           14	// CAN state message
+#define	CPC_CMD_T_XCAN               15	// XCAN data frame
+#define CPC_CMD_T_XRTR               16	// XCAN remote frame
+#define CPC_CMD_T_RESET              17	// used to reset CAN-Controller
+#define CPC_CMD_T_INQ_INFO           18	// miscellanous information strings
+#define CPC_CMD_T_OPEN_CHAN          19	// open a channel
+#define CPC_CMD_T_CLOSE_CHAN         20	// close a channel
+#define CPC_CMD_T_CNTBUF             21	// this is depricated, use CPC_CMD_T_INQ_MSG_QUEUE_CNT instead
+#define CPC_CMD_T_CAN_EXIT          200 // exit the CAN (disable interrupts; reset bootrate; reset output_cntr; mode = 1)
+
+#define CPC_CMD_T_INQ_MSG_QUEUE_CNT  CPC_CMD_T_CNTBUF   // inquires the count of elements in the message queue
+#define CPC_CMD_T_INQ_ERR_COUNTER    25	                // request the CAN controllers error counter
+#define	CPC_CMD_T_CLEAR_MSG_QUEUE    CPC_CMD_T_CLEARBUF // clear CPC_MSG queue
+#define	CPC_CMD_T_CLEAR_CMD_QUEUE    28	                // clear CPC_CMD queue
+#define CPC_CMD_T_FIRMWARE          100                 // reserved, must not be used
+#define CPC_CMD_T_USB_RESET         101                 // reserved, must not be used
+#define CPC_CMD_T_WAIT_NOTIFY       102                 // reserved, must not be used
+#define CPC_CMD_T_WAIT_SETUP        103                 // reserved, must not be used
+#define	CPC_CMD_T_ABORT             255                 // Normally not to be used
+
+// definitions for CPC_MSG_T_INFO
+// information sources
+#define CPC_INFOMSG_T_UNKNOWN_SOURCE 0
+#define CPC_INFOMSG_T_INTERFACE      1
+#define CPC_INFOMSG_T_DRIVER         2
+#define CPC_INFOMSG_T_LIBRARY        3
+
+// information types
+#define CPC_INFOMSG_T_UNKNOWN_TYPE   0
+#define CPC_INFOMSG_T_VERSION        1
+#define CPC_INFOMSG_T_SERIAL         2
+
+// definitions for controller types
+#define PCA82C200   1 // Philips basic CAN controller, replaced by SJA1000
+#define SJA1000     2 // Philips basic CAN controller
+#define AN82527     3 // Intel full CAN controller
+#define M16C_BASIC  4 // M16C controller running in basic CAN (not full CAN) mode
+
+// channel open error codes
+#define CPC_ERR_NO_FREE_CHANNEL            -1	// no more free space within the channel array
+#define CPC_ERR_CHANNEL_ALREADY_OPEN       -2	// the channel is already open
+#define CPC_ERR_CHANNEL_NOT_ACTIVE         -3	// access to a channel not active failed
+#define CPC_ERR_NO_DRIVER_PRESENT          -4	// no driver at the location searched by the library
+#define CPC_ERR_NO_INIFILE_PRESENT         -5	// the library could not find the inifile
+#define CPC_ERR_WRONG_PARAMETERS           -6	// wrong parameters in the inifile
+#define CPC_ERR_NO_INTERFACE_PRESENT       -7	// 1. The specified interface is not connected
+						// 2. The interface (mostly CPC-USB) was disconnected upon operation
+#define CPC_ERR_NO_MATCHING_CHANNEL        -8	// the driver couldn't find a matching channel
+#define CPC_ERR_NO_BUFFER_AVAILABLE        -9	// the driver couldn't allocate buffer for messages
+#define CPC_ERR_NO_INTERRUPT               -10	// the requested interrupt couldn't be claimed
+#define CPC_ERR_NO_MATCHING_INTERFACE      -11	// no interface type related to this channel was found
+#define CPC_ERR_NO_RESOURCES               -12	// the requested resources could not be claimed
+#define CPC_ERR_SOCKET                     -13	// error concerning TCP sockets
+
+// init error codes
+#define CPC_ERR_WRONG_CONTROLLER_TYPE      -14	// wrong CAN controller type within initialization
+#define CPC_ERR_NO_RESET_MODE              -15	// the controller could not be set into reset mode
+#define CPC_ERR_NO_CAN_ACCESS              -16	// the CAN controller could not be accessed
+
+// transmit error codes
+#define CPC_ERR_CAN_WRONG_ID               -20	// the provided CAN id is too big
+#define CPC_ERR_CAN_WRONG_LENGTH           -21	// the provided CAN length is too long
+#define CPC_ERR_CAN_NO_TRANSMIT_BUF        -22	// the transmit buffer was occupied
+#define CPC_ERR_CAN_TRANSMIT_TIMEOUT       -23	// The message could not be sent within a
+						// specified time
+
+// other error codes
+#define CPC_ERR_SERVICE_NOT_SUPPORTED      -30	// the requested service is not supported by the interface
+#define CPC_ERR_IO_TRANSFER                -31	// a transmission error down to the driver occurred
+#define CPC_ERR_TRANSMISSION_FAILED        -32	// a transmission error down to the interface occurred
+#define CPC_ERR_TRANSMISSION_TIMEOUT       -33	// a timeout occurred within transmission to the interface
+#define CPC_ERR_OP_SYS_NOT_SUPPORTED       -35	// the operating system is not supported
+#define CPC_ERR_UNKNOWN                    -40	// an unknown error ocurred (mostly IOCTL errors)
+
+#define CPC_ERR_LOADING_DLL                -50	// the library 'cpcwin.dll' could not be loaded
+#define CPC_ERR_ASSIGNING_FUNCTION         -51	// the specified function could not be assigned
+#define CPC_ERR_DLL_INITIALIZATION         -52	// the DLL was not initialized correctly
+#define CPC_ERR_MISSING_LICFILE            -55	// the file containing the licenses does not exist
+#define CPC_ERR_MISSING_LICENSE            -56	// a required license was not found
+
+// CAN state bit values. Ignore any bits not listed
+#define CPC_CAN_STATE_BUSOFF     0x80
+#define CPC_CAN_STATE_ERROR      0x40
+
+// Mask to help ignore undefined bits
+#define CPC_CAN_STATE_MASK       0xc0
+
+// CAN-Message representation in a CPC_MSG
+// Message object type is CPC_MSG_T_CAN or CPC_MSG_T_RTR
+// or CPC_MSG_T_XCAN or CPC_MSG_T_XRTR
+typedef struct CPC_CAN_MSG {
+	u32 id;
+	u8 length;
+	u8 msg[8];
+} CPC_CAN_MSG_T;
+
+
+// representation of the CAN parameters for the PCA82C200 controller
+typedef struct CPC_PCA82C200_PARAMS {
+	u8 acc_code;	// Acceptance-code for receive, Standard: 0
+	u8 acc_mask;	// Acceptance-mask for receive, Standard: 0xff (everything)
+	u8 btr0;	// Bus-timing register 0
+	u8 btr1;	// Bus-timing register 1
+	u8 outp_contr;	// Output-control register
+} CPC_PCA82C200_PARAMS_T;
+
+// representation of the CAN parameters for the SJA1000 controller
+typedef struct CPC_SJA1000_PARAMS {
+	u8 mode;	// enables single or dual acceptance filtering
+	u8 acc_code0;	// Acceptance-code for receive, Standard: 0
+	u8 acc_code1;
+	u8 acc_code2;
+	u8 acc_code3;
+	u8 acc_mask0;	// Acceptance-mask for receive, Standard: 0xff (everything)
+	u8 acc_mask1;
+	u8 acc_mask2;
+	u8 acc_mask3;
+	u8 btr0;	// Bus-timing register 0
+	u8 btr1;	// Bus-timing register 1
+	u8 outp_contr;	// Output-control register
+} CPC_SJA1000_PARAMS_T;
+
+// representation of the CAN parameters for the M16C controller
+// in basic CAN mode (means no full CAN)
+typedef struct CPC_M16C_BASIC_PARAMS {
+	u8 con0;
+	u8 con1;
+	u8 ctlr0;
+	u8 ctlr1;
+	u8 clk;
+	u8 acc_std_code0;
+	u8 acc_std_code1;
+	u8 acc_ext_code0;
+	u8 acc_ext_code1;
+	u8 acc_ext_code2;
+	u8 acc_ext_code3;
+	u8 acc_std_mask0;
+	u8 acc_std_mask1;
+	u8 acc_ext_mask0;
+	u8 acc_ext_mask1;
+	u8 acc_ext_mask2;
+	u8 acc_ext_mask3;
+} CPC_M16C_BASIC_PARAMS_T;
+
+// CAN params message representation
+typedef struct CPC_CAN_PARAMS {
+	u8 cc_type;	// represents the controller type
+	union {
+		CPC_M16C_BASIC_PARAMS_T m16c_basic;
+		CPC_SJA1000_PARAMS_T sja1000;
+		CPC_PCA82C200_PARAMS_T pca82c200;
+	} cc_params;
+} CPC_CAN_PARAMS_T;
+
+// the following structures are slightly different for Windows and Linux
+// To be able to use the 'Select' mechanism with Linux the application
+// needs to know the devices file desciptor.
+// This mechanism is not implemented within Windows and the file descriptor
+// is therefore not needed
+#ifdef _WIN32
+
+// CAN init params message representation
+typedef struct CPC_INIT_PARAMS {
+	CPC_CAN_PARAMS_T canparams;
+} CPC_INIT_PARAMS_T;
+
+#else// Linux
+
+// CHAN init params representation
+typedef struct CPC_CHAN_PARAMS {
+	int fd;
+} CPC_CHAN_PARAMS_T;
+
+// CAN init params message representation
+typedef struct CPC_INIT_PARAMS {
+	CPC_CHAN_PARAMS_T chanparams;
+	CPC_CAN_PARAMS_T canparams;
+} CPC_INIT_PARAMS_T;
+
+#endif
+
+// structure for confirmed message handling
+typedef struct CPC_CONFIRM {
+	u8 result; // error code
+} CPC_CONFIRM_T;
+
+// structure for information requests
+typedef struct CPC_INFO {
+	u8 source;                 // interface, driver or library
+	u8 type;                   // version or serial number
+	char msg[CPC_MSG_LEN - 2]; // string holding the requested information
+} CPC_INFO_T;
+
+// OVERRUN ///////////////////////////////////////
+// In general two types of overrun may occur.
+// A hardware overrun, where the CAN controller
+// lost a message, because the interrupt was
+// not handled before the next messgae comes in.
+// Or a software overrun, where i.e. a received
+// message could not be stored in the CPC_MSG
+// buffer.
+
+// After a software overrun has occurred
+// we wait until we have CPC_OVR_GAP slots
+// free in the CPC_MSG buffer.
+#define CPC_OVR_GAP               10
+
+// Two types of software overrun may occur.
+// A received CAN message or a CAN state event
+// can cause an overrun.
+// Note: A CPC_CMD which would normally store
+// its result immediately in the CPC_MSG
+// queue may fail, because the message queue is full.
+// This will not generate an overrun message, but
+// will halt command execution, until this command
+// is able to store its message in the message queue.
+#define CPC_OVR_EVENT_CAN       0x01
+#define CPC_OVR_EVENT_CANSTATE  0x02
+#define CPC_OVR_EVENT_BUSERROR  0x04
+
+// If the CAN controller lost a message
+// we indicate it with the highest bit
+// set in the count field.
+#define CPC_OVR_HW              0x80
+
+// structure for overrun conditions
+typedef struct {
+	u8 event;
+	u8 count;
+} CPC_OVERRUN_T;
+
+// CAN errors ////////////////////////////////////
+// Each CAN controller type has different
+// registers to record errors.
+// Therefor a structure containing the specific
+// errors is set up for each controller here
+
+// SJA1000 error structure
+// see the SJA1000 datasheet for detailed
+// explanation of the registers
+typedef struct CPC_SJA1000_CAN_ERROR {
+	u8 ecc;   // error capture code register
+	u8 rxerr; // RX error counter register
+	u8 txerr; // TX error counter register
+} CPC_SJA1000_CAN_ERROR_T;
+
+// M16C error structure
+// see the M16C datasheet for detailed
+// explanation of the registers
+typedef struct CPC_M16C_CAN_ERROR {
+	u8 tbd;	// to be defined
+} CPC_M16C_CAN_ERROR_T;
+
+// structure for CAN error conditions
+#define  CPC_CAN_ECODE_ERRFRAME   0x01
+typedef struct CPC_CAN_ERROR {
+	u8 ecode;
+	struct {
+		u8 cc_type; // CAN controller type
+		union {
+			CPC_SJA1000_CAN_ERROR_T sja1000;
+			CPC_M16C_CAN_ERROR_T m16c;
+		} regs;
+	} cc;
+} CPC_CAN_ERROR_T;
+
+// Structure containing RX/TX error counter.
+// This structure is used to request the
+// values of the CAN controllers TX and RX
+// error counter.
+typedef struct CPC_CAN_ERR_COUNTER {
+	u8 rx;
+	u8 tx;
+} CPC_CAN_ERR_COUNTER_T;
+
+// If this flag is set, transmissions from PC to CPC are protected against loss
+#define CPC_SECURE_TO_CPC	0x01
+
+// If this flag is set, transmissions from CPC to PC are protected against loss
+#define CPC_SECURE_TO_PC	0x02
+
+// If this flag is set, the CAN-transmit buffer is checked to be free before sending a message
+#define CPC_SECURE_SEND		0x04
+
+// If this flag is set, the transmission complete flag is checked
+// after sending a message
+// THIS IS CURRENTLY ONLY IMPLEMENTED IN THE PASSIVE INTERFACE DRIVERS
+#define CPC_SECURE_TRANSMIT	0x08
+
+// main message type used between library and application
+typedef struct CPC_MSG {
+	u8 type;	// type of message
+	u8 length;	// length of data within union 'msg'
+	u8 msgid;	// confirmation handle
+	u32 ts_sec;	// timestamp in seconds
+	u32 ts_nsec;	// timestamp in nano seconds
+	union {
+		u8 generic[CPC_MSG_LEN];
+		CPC_CAN_MSG_T canmsg;
+		CPC_CAN_PARAMS_T canparams;
+		CPC_CONFIRM_T confirmation;
+		CPC_INFO_T info;
+		CPC_OVERRUN_T overrun;
+		CPC_CAN_ERROR_T error;
+		CPC_CAN_ERR_COUNTER_T err_counter;
+		u8 busload;
+		u8 canstate;
+	} msg;
+} CPC_MSG_T;
+
+#ifdef _WIN32
+#pragma pack(pop)		// reset the byte alignment
+#endif
+
+#endif				// CPC_HEADER