From: H Hartley Sweeten Date: Tue, 30 Oct 2012 00:02:42 +0000 (-0700) Subject: staging: comedi: addi_eeprom: remove extra whitespace and comment cruft X-Git-Tag: firefly_0821_release~3680^2~1519^2~818 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=0e77e35bc3c0b6cb2ab90051b1bf79a35e57713f;p=firefly-linux-kernel-4.4.55.git staging: comedi: addi_eeprom: remove extra whitespace and comment cruft Remove the extra whitespace and the comment cruft in this file. Signed-off-by: H Hartley Sweeten Cc: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/comedi/drivers/addi-data/addi_eeprom.c b/drivers/staging/comedi/drivers/addi-data/addi_eeprom.c index 5d31ecdfb8e3..2e46a1764d0d 100644 --- a/drivers/staging/comedi/drivers/addi-data/addi_eeprom.c +++ b/drivers/staging/comedi/drivers/addi-data/addi_eeprom.c @@ -77,15 +77,11 @@ struct str_DigitalInputHeader { }; struct str_DigitalOutputHeader { - unsigned short w_Nchannel; }; - /* used for timer as well as watchdog */ - struct str_TimerDetails { - unsigned short w_HeaderSize; unsigned char b_Resolution; unsigned char b_Mode; /* in case of Watchdog it is functionality */ @@ -94,13 +90,10 @@ struct str_TimerDetails { }; struct str_TimerMainHeader { - - unsigned short w_Ntimer; struct str_TimerDetails s_TimerDetails[4]; /* supports 4 timers */ }; - struct str_AnalogOutputHeader { unsigned short w_Nchannel; unsigned char b_Resolution; @@ -114,11 +107,6 @@ struct str_AnalogInputHeader { unsigned char b_Resolution; }; - - /*****************************************/ - /* Read Header Functions */ - /*****************************************/ - int i_EepromReadMainHeader(unsigned short w_PCIBoardEepromAddress, char *pc_PCIChipInformation, struct comedi_device *dev); @@ -142,9 +130,6 @@ int i_EepromReadAnlogInputHeader(unsigned short w_PCIBoardEepromAddress, char *pc_PCIChipInformation, unsigned short w_Address, struct str_AnalogInputHeader *s_Header); - /******************************************/ - /* Eeprom Specific Functions */ - /******************************************/ unsigned short w_EepromReadWord(unsigned short w_PCIBoardEepromAddress, char *pc_PCIChipInformation, unsigned short w_EepromStartAddress); void v_EepromWaitBusy(unsigned short w_PCIBoardEepromAddress); @@ -154,654 +139,212 @@ void v_EepromSendCommand76(unsigned int dw_Address, unsigned int dw_EepromComman unsigned char b_DataLengthInBits); void v_EepromCs76Read(unsigned int dw_Address, unsigned short w_offset, unsigned short *pw_Value); -/* -+----------------------------------------------------------------------------+ -| Function Name : unsigned short w_EepromReadWord | -| (unsigned short w_PCIBoardEepromAddress, | -| char * pc_PCIChipInformation, | -| unsigned short w_EepromStartAddress) | -+----------------------------------------------------------------------------+ -| Task : Read from eepromn a word | -+----------------------------------------------------------------------------+ -| Input Parameters : unsigned short w_PCIBoardEepromAddress : PCI eeprom address | -| | -| char *pc_PCIChipInformation : PCI Chip Type. | -| | -| unsigned short w_EepromStartAddress : Selected eeprom address | -+----------------------------------------------------------------------------+ -| Output Parameters : - | -+----------------------------------------------------------------------------+ -| Return Value : Read word value from eeprom | -+----------------------------------------------------------------------------+ -*/ - unsigned short w_EepromReadWord(unsigned short w_PCIBoardEepromAddress, char *pc_PCIChipInformation, unsigned short w_EepromStartAddress) { - unsigned char b_Counter = 0; - unsigned char b_ReadByte = 0; - unsigned char b_ReadLowByte = 0; - unsigned char b_ReadHighByte = 0; - unsigned char b_SelectedAddressLow = 0; - unsigned char b_SelectedAddressHigh = 0; - unsigned short w_ReadWord = 0; - /**************************/ - /* Test the PCI chip type */ - - /**************************/ - if ((!strcmp(pc_PCIChipInformation, "S5920")) || (!strcmp(pc_PCIChipInformation, "S5933"))) { - for (b_Counter = 0; b_Counter < 2; b_Counter++) { - b_SelectedAddressLow = (w_EepromStartAddress + b_Counter) % 256; /* Read the low 8 bit part */ - b_SelectedAddressHigh = (w_EepromStartAddress + b_Counter) / 256; /* Read the high 8 bit part */ - /************************************/ - /* Select the load low address mode */ - - /************************************/ - outb(NVCMD_LOAD_LOW, w_PCIBoardEepromAddress + 0x3F); - /****************/ - /* Wait on busy */ - - /****************/ - v_EepromWaitBusy(w_PCIBoardEepromAddress); - /************************/ - /* Load the low address */ - - /************************/ - outb(b_SelectedAddressLow, w_PCIBoardEepromAddress + 0x3E); - /****************/ - /* Wait on busy */ - - /****************/ - v_EepromWaitBusy(w_PCIBoardEepromAddress); - /*************************************/ - /* Select the load high address mode */ - - /*************************************/ - outb(NVCMD_LOAD_HIGH, w_PCIBoardEepromAddress + 0x3F); - /****************/ - /* Wait on busy */ - - /****************/ - v_EepromWaitBusy(w_PCIBoardEepromAddress); - /*************************/ - /* Load the high address */ - - /*************************/ - outb(b_SelectedAddressHigh, w_PCIBoardEepromAddress + 0x3E); - /****************/ - /* Wait on busy */ - - /****************/ - v_EepromWaitBusy(w_PCIBoardEepromAddress); - /************************/ - /* Select the READ mode */ - - /************************/ - outb(NVCMD_BEGIN_READ, w_PCIBoardEepromAddress + 0x3F); - /****************/ - /* Wait on busy */ - - /****************/ - v_EepromWaitBusy(w_PCIBoardEepromAddress); - /*****************************/ - /* Read data into the EEPROM */ - - /*****************************/ - b_ReadByte = inb(w_PCIBoardEepromAddress + 0x3E); - /****************/ - /* Wait on busy */ - - /****************/ - v_EepromWaitBusy(w_PCIBoardEepromAddress); - /*********************************/ - /* Select the upper address part */ - - /*********************************/ - if (b_Counter == 0) { - b_ReadLowByte = b_ReadByte; - } /* if(b_Counter==0) */ - else { - b_ReadHighByte = b_ReadByte; - } /* if(b_Counter==0) */ - } /* for (b_Counter=0; b_Counter<2; b_Counter++) */ w_ReadWord = (b_ReadLowByte | (((unsigned short) b_ReadHighByte) * 256)); - } /* end of if ((!strcmp(pc_PCIChipInformation, "S5920")) || (!strcmp(pc_PCIChipInformation, "S5933"))) */ if (!strcmp(pc_PCIChipInformation, "93C76")) { - - /*************************************/ - /* Read 16 bit from the EEPROM 93C76 */ - - /*************************************/ - v_EepromCs76Read(w_PCIBoardEepromAddress, w_EepromStartAddress, &w_ReadWord); - } return w_ReadWord; - } -/* - -+----------------------------------------------------------------------------+ - -| Function Name : void v_EepromWaitBusy | - -| (unsigned short w_PCIBoardEepromAddress) | - -+----------------------------------------------------------------------------+ - -| Task : Wait the busy flag from PCI controller | - -+----------------------------------------------------------------------------+ - -| Input Parameters : unsigned short w_PCIBoardEepromAddress : PCI eeprom base address | - -+----------------------------------------------------------------------------+ - -| Output Parameters : - | - -+----------------------------------------------------------------------------+ - -| Return Value : - | - -+----------------------------------------------------------------------------+ - -*/ - void v_EepromWaitBusy(unsigned short w_PCIBoardEepromAddress) { - unsigned char b_EepromBusy = 0; do { - - /*************/ - /* IMPORTANT */ - - /*************/ - - /************************************************************************/ - /* An error has been written in the AMCC 5933 book at the page B-13 */ - /* Ex: if you read a byte and look for the busy statusEEPROM=0x80 and */ - /* the operator register is AMCC_OP_REG_MCSR+3 */ - /* unsigned short read EEPROM=0x8000 andAMCC_OP_REG_MCSR+2 */ - /* unsigned int read EEPROM=0x80000000 and AMCC_OP_REG_MCSR */ - - /************************************************************************/ - b_EepromBusy = inb(w_PCIBoardEepromAddress + 0x3F); b_EepromBusy = b_EepromBusy & 0x80; - } while (b_EepromBusy == 0x80); - } -/* - -+---------------------------------------------------------------------------------+ - -| Function Name : void v_EepromClock76(unsigned int dw_Address, | - -| unsigned int dw_RegisterValue) | - -+---------------------------------------------------------------------------------+ - -| Task : This function sends the clocking sequence to the EEPROM. | - -+---------------------------------------------------------------------------------+ - -| Input Parameters : unsigned int dw_Address : PCI eeprom base address | - -| unsigned int dw_RegisterValue : PCI eeprom register value to write.| - -+---------------------------------------------------------------------------------+ - -| Output Parameters : - | - -+---------------------------------------------------------------------------------+ - -| Return Value : - | - -+---------------------------------------------------------------------------------+ - -*/ - void v_EepromClock76(unsigned int dw_Address, unsigned int dw_RegisterValue) { - - /************************/ - /* Set EEPROM clock Low */ - - /************************/ - outl(dw_RegisterValue & 0x6, dw_Address); - /***************/ - /* Wait 0.1 ms */ - - /***************/ - udelay(100); - /*************************/ - /* Set EEPROM clock High */ - - /*************************/ - outl(dw_RegisterValue | 0x1, dw_Address); - /***************/ - /* Wait 0.1 ms */ - - /***************/ - udelay(100); - } -/* - -+---------------------------------------------------------------------------------+ - -| Function Name : void v_EepromSendCommand76(unsigned int dw_Address, | - -| unsigned int dw_EepromCommand, | - -| unsigned char b_DataLengthInBits) | - -+---------------------------------------------------------------------------------+ - -| Task : This function sends a Command to the EEPROM 93C76. | - -+---------------------------------------------------------------------------------+ - -| Input Parameters : unsigned int dw_Address : PCI eeprom base address | - -| unsigned int dw_EepromCommand : PCI eeprom command to write. | - -| unsigned char b_DataLengthInBits : PCI eeprom command data length. | - -+---------------------------------------------------------------------------------+ - -| Output Parameters : - | - -+---------------------------------------------------------------------------------+ - -| Return Value : - | - -+---------------------------------------------------------------------------------+ - -*/ - void v_EepromSendCommand76(unsigned int dw_Address, unsigned int dw_EepromCommand, unsigned char b_DataLengthInBits) { - char c_BitPos = 0; - unsigned int dw_RegisterValue = 0; - /*****************************/ - /* Enable EEPROM Chip Select */ - - /*****************************/ - dw_RegisterValue = 0x2; - /********************************************************************/ - /* Toggle EEPROM's Chip select to get it out of Shift Register Mode */ - - /********************************************************************/ - outl(dw_RegisterValue, dw_Address); - /***************/ - /* Wait 0.1 ms */ - - /***************/ - udelay(100); - /*******************************************/ - /* Send EEPROM command - one bit at a time */ - - /*******************************************/ - for (c_BitPos = (b_DataLengthInBits - 1); c_BitPos >= 0; c_BitPos--) { - - /**********************************/ - /* Check if current bit is 0 or 1 */ - - /**********************************/ - if (dw_EepromCommand & (1 << c_BitPos)) { - - /***********/ - /* Write 1 */ - - /***********/ - dw_RegisterValue = dw_RegisterValue | 0x4; - } - else { - - /***********/ - /* Write 0 */ - - /***********/ - dw_RegisterValue = dw_RegisterValue & 0x3; - } - /*********************/ - /* Write the command */ - - /*********************/ - outl(dw_RegisterValue, dw_Address); - /***************/ - /* Wait 0.1 ms */ - - /***************/ - udelay(100); - /****************************/ - /* Trigger the EEPROM clock */ - - /****************************/ - v_EepromClock76(dw_Address, dw_RegisterValue); - } - } -/* - -+---------------------------------------------------------------------------------+ - -| Function Name : void v_EepromCs76Read(unsigned int dw_Address, | - -| unsigned short w_offset, | - -| unsigned short * pw_Value) | - -+---------------------------------------------------------------------------------+ - -| Task : This function read a value from the EEPROM 93C76. | - -+---------------------------------------------------------------------------------+ - -| Input Parameters : unsigned int dw_Address : PCI eeprom base address | - -| unsigned short w_offset : Offset of the address to read | - -| unsigned short * pw_Value : PCI eeprom 16 bit read value. | - -+---------------------------------------------------------------------------------+ - -| Output Parameters : - | - -+---------------------------------------------------------------------------------+ - -| Return Value : - | - -+---------------------------------------------------------------------------------+ - -*/ - void v_EepromCs76Read(unsigned int dw_Address, unsigned short w_offset, unsigned short *pw_Value) { - char c_BitPos = 0; - unsigned int dw_RegisterValue = 0; - unsigned int dw_RegisterValueRead = 0; - /*************************************************/ - /* Send EEPROM read command and offset to EEPROM */ - - /*************************************************/ - v_EepromSendCommand76(dw_Address, (EE_READ << 4) | (w_offset / 2), EE76_CMD_LEN); - /*******************************/ - /* Get the last register value */ - - /*******************************/ - dw_RegisterValue = (((w_offset / 2) & 0x1) << 2) | 0x2; - /*****************************/ - /* Set the 16-bit value of 0 */ - - /*****************************/ - *pw_Value = 0; - /************************/ - /* Get the 16-bit value */ - - /************************/ - for (c_BitPos = 0; c_BitPos < 16; c_BitPos++) { - - /****************************/ - /* Trigger the EEPROM clock */ - - /****************************/ - v_EepromClock76(dw_Address, dw_RegisterValue); - /**********************/ - /* Get the result bit */ - - /**********************/ - dw_RegisterValueRead = inl(dw_Address); - /***************/ - /* Wait 0.1 ms */ - - /***************/ - udelay(100); - /***************************************/ - /* Get bit value and shift into result */ - - /***************************************/ - if (dw_RegisterValueRead & 0x8) { - - /**********/ - /* Read 1 */ - - /**********/ - *pw_Value = (*pw_Value << 1) | 0x1; - } - else { - - /**********/ - /* Read 0 */ - - /**********/ - *pw_Value = (*pw_Value << 1); - } - } - /*************************/ - /* Clear all EEPROM bits */ - - /*************************/ - dw_RegisterValue = 0x0; - /********************************************************************/ - /* Toggle EEPROM's Chip select to get it out of Shift Register Mode */ - - /********************************************************************/ - outl(dw_RegisterValue, dw_Address); - /***************/ - /* Wait 0.1 ms */ - - /***************/ - udelay(100); - } - /******************************************/ - /* EEPROM HEADER READ FUNCTIONS */ - /******************************************/ - -/* -+----------------------------------------------------------------------------+ -| Function Name : int i_EepromReadMainHeader(unsigned short w_PCIBoardEepromAddress, | -| char * pc_PCIChipInformation,struct comedi_device *dev) | -+----------------------------------------------------------------------------+ -| Task : Read from eeprom Main Header | -+----------------------------------------------------------------------------+ -| Input Parameters : unsigned short w_PCIBoardEepromAddress : PCI eeprom address | -| | -| char *pc_PCIChipInformation : PCI Chip Type. | -| | -| struct comedi_device *dev : comedi device structure | -| pointer | -+----------------------------------------------------------------------------+ -| Output Parameters : - | -+----------------------------------------------------------------------------+ -| Return Value : 0 | -+----------------------------------------------------------------------------+ -*/ - int i_EepromReadMainHeader(unsigned short w_PCIBoardEepromAddress, char *pc_PCIChipInformation, struct comedi_device *dev) { @@ -924,27 +467,6 @@ int i_EepromReadMainHeader(unsigned short w_PCIBoardEepromAddress, return 0; } -/* -+----------------------------------------------------------------------------+ -| Function Name : int i_EepromReadDigitalInputHeader(unsigned short | -| w_PCIBoardEepromAddress,char *pc_PCIChipInformation, | -| unsigned short w_Address,struct str_DigitalInputHeader *s_Header) | -| | -+----------------------------------------------------------------------------+ -| Task : Read Digital Input Header | -+----------------------------------------------------------------------------+ -| Input Parameters : unsigned short w_PCIBoardEepromAddress : PCI eeprom address | -| | -| char *pc_PCIChipInformation : PCI Chip Type. | -| | -| struct str_DigitalInputHeader *s_Header: Digita Input Header | -| Pointer | -+----------------------------------------------------------------------------+ -| Output Parameters : - | -+----------------------------------------------------------------------------+ -| Return Value : 0 | -+----------------------------------------------------------------------------+ -*/ int i_EepromReadDigitalInputHeader(unsigned short w_PCIBoardEepromAddress, char *pc_PCIChipInformation, unsigned short w_Address, struct str_DigitalInputHeader *s_Header) @@ -969,27 +491,6 @@ int i_EepromReadDigitalInputHeader(unsigned short w_PCIBoardEepromAddress, return 0; } -/* -+----------------------------------------------------------------------------+ -| Function Name : int i_EepromReadDigitalOutputHeader(unsigned short | -| w_PCIBoardEepromAddress,char *pc_PCIChipInformation, | -| unsigned short w_Address,struct str_DigitalOutputHeader *s_Header) | -| | -+----------------------------------------------------------------------------+ -| Task : Read Digital Output Header | -+----------------------------------------------------------------------------+ -| Input Parameters : unsigned short w_PCIBoardEepromAddress : PCI eeprom address | -| | -| char *pc_PCIChipInformation : PCI Chip Type. | -| | -| struct str_DigitalOutputHeader *s_Header: Digital Output Header| -| Pointer | -+----------------------------------------------------------------------------+ -| Output Parameters : - | -+----------------------------------------------------------------------------+ -| Return Value : 0 | -+----------------------------------------------------------------------------+ -*/ int i_EepromReadDigitalOutputHeader(unsigned short w_PCIBoardEepromAddress, char *pc_PCIChipInformation, unsigned short w_Address, struct str_DigitalOutputHeader *s_Header) @@ -1001,26 +502,6 @@ int i_EepromReadDigitalOutputHeader(unsigned short w_PCIBoardEepromAddress, return 0; } -/* -+----------------------------------------------------------------------------+ -| Function Name : int i_EepromReadTimerHeader(unsigned short w_PCIBoardEepromAddress, | -| char *pc_PCIChipInformation,WORD w_Address, | -| struct str_TimerMainHeader *s_Header) | -+----------------------------------------------------------------------------+ -| Task : Read Timer or Watchdog Header | -+----------------------------------------------------------------------------+ -| Input Parameters : unsigned short w_PCIBoardEepromAddress : PCI eeprom address | -| | -| char *pc_PCIChipInformation : PCI Chip Type. | -| | -| struct str_TimerMainHeader *s_Header: Timer Header | -| Pointer | -+----------------------------------------------------------------------------+ -| Output Parameters : - | -+----------------------------------------------------------------------------+ -| Return Value : 0 | -+----------------------------------------------------------------------------+ -*/ int i_EepromReadTimerHeader(unsigned short w_PCIBoardEepromAddress, char *pc_PCIChipInformation, unsigned short w_Address, struct str_TimerMainHeader *s_Header) @@ -1066,27 +547,6 @@ int i_EepromReadTimerHeader(unsigned short w_PCIBoardEepromAddress, return 0; } -/* -+----------------------------------------------------------------------------+ -| Function Name : int i_EepromReadAnlogOutputHeader(unsigned short | -| w_PCIBoardEepromAddress,char *pc_PCIChipInformation, | -| unsigned short w_Address,str_AnalogOutputHeader *s_Header) | -+----------------------------------------------------------------------------+ -| Task : Read Nalog Output Header | -+----------------------------------------------------------------------------+ -| Input Parameters : unsigned short w_PCIBoardEepromAddress : PCI eeprom address | -| | -| char *pc_PCIChipInformation : PCI Chip Type. | -| | -| str_AnalogOutputHeader *s_Header:Anlog Output Header | -| Pointer | -+----------------------------------------------------------------------------+ -| Output Parameters : - | -+----------------------------------------------------------------------------+ -| Return Value : 0 | -+----------------------------------------------------------------------------+ -*/ - int i_EepromReadAnlogOutputHeader(unsigned short w_PCIBoardEepromAddress, char *pc_PCIChipInformation, unsigned short w_Address, struct str_AnalogOutputHeader *s_Header) @@ -1103,27 +563,6 @@ int i_EepromReadAnlogOutputHeader(unsigned short w_PCIBoardEepromAddress, return 0; } -/* -+----------------------------------------------------------------------------+ -| Function Name : int i_EepromReadAnlogInputHeader(unsigned short | -| w_PCIBoardEepromAddress,char *pc_PCIChipInformation, | -| unsigned short w_Address,struct str_AnalogInputHeader *s_Header) | -+----------------------------------------------------------------------------+ -| Task : Read Nalog Output Header | -+----------------------------------------------------------------------------+ -| Input Parameters : unsigned short w_PCIBoardEepromAddress : PCI eeprom address | -| | -| char *pc_PCIChipInformation : PCI Chip Type. | -| | -| struct str_AnalogInputHeader *s_Header:Anlog Input Header | -| Pointer | -+----------------------------------------------------------------------------+ -| Output Parameters : - | -+----------------------------------------------------------------------------+ -| Return Value : 0 | -+----------------------------------------------------------------------------+ -*/ - /* Reads only for ONE hardware component */ int i_EepromReadAnlogInputHeader(unsigned short w_PCIBoardEepromAddress, char *pc_PCIChipInformation, unsigned short w_Address,