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raspberrypi-kernel
提交 85b3842b 编写于 作者: C Chase Southwood 提交者： Greg Kroah-Hartman
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Staging: comedi: addi-data: comment cleanup in hwdrv_apci035.c 

This patch further cleans up the comments in hwdrv_apci035.c, converting
them to kernel style and removing some commented conditional statements
that are unused.
Signed-off-by: NChase Southwood <chase.southwood@yahoo.com>
Reviewed-by: NIan Abbott <abbotti@mev.co.uk>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
上级 cc0f58a9
隐藏空白更改
内联 并排
Showing with 32 addition and 74 deletion
drivers/staging/comedi/drivers/addi-data/hwdrv_apci035.c
浏览文件 @ 85b3842b
......@@ -188,17 +188,14 @@ static int i_APCI035_ConfigTimerWatchdog(struct comedi_device *dev,
outl(ui_Command, devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
ui_Command = 0;
ui_Command = inl(devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
/************************/
/* Set the reload value */
/************************/
outl(data[3], devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 4);
/*********************/
/* Set the time unit */
/*********************/
outl(data[2], devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 8);
if (data[0] == ADDIDATA_TIMER) {
/******************************/
/* Set the mode : */
/* - Disable the hardware */
/* - Disable the counter mode */
......@@ -206,23 +203,19 @@ static int i_APCI035_ConfigTimerWatchdog(struct comedi_device *dev,
/* - Disable the reset */
/* - Enable the timer mode */
/* - Set the timer mode */
/******************************/
ui_Command =
(ui_Command & 0xFFF719E2UL) | ui_Mode << 13UL | 0x10UL;
} /* if (data[0] == ADDIDATA_TIMER) */
else {
} else {
if (data[0] == ADDIDATA_WATCHDOG) {
/******************************/
/* Set the mode : */
/* - Disable the hardware */
/* - Disable the counter mode */
/* - Disable the warning */
/* - Disable the reset */
/* - Disable the timer mode */
/******************************/
ui_Command = ui_Command & 0xFFF819E2UL;
......@@ -234,73 +227,61 @@ static int i_APCI035_ConfigTimerWatchdog(struct comedi_device *dev,
outl(ui_Command, devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
ui_Command = 0;
ui_Command = inl(devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
/********************************/
/* Disable the hardware trigger */
/********************************/
ui_Command = ui_Command & 0xFFFFF89FUL;
if (data[4] == ADDIDATA_ENABLE) {
/**********************************/
/* Set the hardware trigger level */
/**********************************/
ui_Command = ui_Command | (data[5] << 5);
}
outl(ui_Command, devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
ui_Command = 0;
ui_Command = inl(devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
/*****************************/
/* Disable the hardware gate */
/*****************************/
ui_Command = ui_Command & 0xFFFFF87FUL;
if (data[6] == ADDIDATA_ENABLE) {
/*******************************/
/* Set the hardware gate level */
/*******************************/
ui_Command = ui_Command | (data[7] << 7);
}
outl(ui_Command, devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
ui_Command = 0;
ui_Command = inl(devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
/*******************************/
/* Disable the hardware output */
/*******************************/
ui_Command = ui_Command & 0xFFFFF9FBUL;
/*********************************/
/* Set the hardware output level */
/*********************************/
ui_Command = ui_Command | (data[8] << 2);
outl(ui_Command, devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
if (data[9] == ADDIDATA_ENABLE) {
/************************/
/* Set the reload value */
/************************/
outl(data[11],
devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 24);
/**********************/
/* Set the time unite */
/**********************/
outl(data[10],
devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 28);
}
ui_Command = 0;
ui_Command = inl(devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
/*******************************/
/* Disable the hardware output */
/*******************************/
ui_Command = ui_Command & 0xFFFFF9F7UL;
/*********************************/
/* Set the hardware output level */
/*********************************/
ui_Command = ui_Command | (data[12] << 3);
outl(ui_Command, devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
/*************************************/
/** Enable the watchdog interrupt **/
/*************************************/
/* Enable the watchdog interrupt */
ui_Command = 0;
ui_Command = inl(devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
/*******************************/
/* Set the interrupt selection */
/*******************************/
ui_Status = inl(devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 16);
ui_Command = (ui_Command & 0xFFFFF9FDUL) | (data[13] << 1);
......@@ -348,19 +329,17 @@ static int i_APCI035_StartStopWriteTimerWatchdog(struct comedi_device *dev,
if (data[0] == 1) {
ui_Command =
inl(devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
/**********************/
/* Start the hardware */
/**********************/
ui_Command = (ui_Command & 0xFFFFF9FFUL) | 0x1UL;
outl(ui_Command,
devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
} /* if (data[0]==1) */
}
if (data[0] == 2) {
ui_Command =
inl(devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
/***************************/
/* Set the trigger command */
/***************************/
ui_Command = (ui_Command & 0xFFFFF9FFUL) | 0x200UL;
outl(ui_Command,
devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
......@@ -375,7 +354,7 @@ static int i_APCI035_StartStopWriteTimerWatchdog(struct comedi_device *dev,
*/
outl(ui_Command,
devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
} /* if (data[1]==0) */
}
if (data[0] == 3) {
/* stop all Watchdogs */
ui_Command = 0;
......@@ -463,28 +442,19 @@ static int i_APCI035_ReadTimerWatchdog(struct comedi_device *dev,
i_WatchdogNbr = insn->unused[0];
/******************/
/* Get the status */
/******************/
ui_Status = inl(devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 16);
/***********************************/
/* Get the software trigger status */
/***********************************/
data[0] = ((ui_Status >> 1) & 1);
/***********************************/
/* Get the hardware trigger status */
/***********************************/
data[1] = ((ui_Status >> 2) & 1);
/*********************************/
/* Get the software clear status */
/*********************************/
data[2] = ((ui_Status >> 3) & 1);
/***************************/
/* Get the overflow status */
/***************************/
data[3] = ((ui_Status >> 0) & 1);
if (devpriv->b_TimerSelectMode == ADDIDATA_TIMER)
data[4] = inl(devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 0);
......@@ -525,9 +495,8 @@ static int i_APCI035_ConfigAnalogInput(struct comedi_device *dev,
devpriv->tsk_Current = current;
outl(0x200 | 0, devpriv->iobase + 128 + 0x4);
outl(0, devpriv->iobase + 128 + 0);
/********************************/
/* Initialise the warning value */
/********************************/
outl(0x300 | 0, devpriv->iobase + 128 + 0x4);
outl((data[0] << 8), devpriv->iobase + 128 + 0);
outl(0x200000UL, devpriv->iobase + 128 + 12);
......@@ -564,18 +533,13 @@ static int i_APCI035_ReadAnalogInput(struct comedi_device *dev,
struct addi_private *devpriv = dev->private;
unsigned int ui_CommandRegister = 0;
/******************/
/* Set the start */
/******************/
ui_CommandRegister = 0x80000;
/******************************/
/* Write the command register */
/******************************/
outl(ui_CommandRegister, devpriv->iobase + 128 + 8);
/***************************************/
/* Read the digital value of the input */
/***************************************/
data[0] = inl(devpriv->iobase + 128 + 28);
return insn->n;
}
......@@ -640,40 +604,34 @@ static void v_APCI035_Interrupt(int irq, void *d)
i_WatchdogNbr = i_Flag;
i_Flag = i_Flag + 1;
}
/**************************************/
/* Read the interrupt status register of temperature Warning */
/**************************************/
ui_StatusRegister1 = inl(devpriv->iobase + 128 + 16);
/**************************************/
/* Read the interrupt status register for Watchdog/timer */
/**************************************/
/* Read the interrupt status register for Watchdog/timer */
ui_StatusRegister2 =
inl(devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 20);
/* Test if warning relay interrupt */
if ((((ui_StatusRegister1) & 0x8) == 0x8)) {
/**********************************/
/* Disable the temperature warning */
/**********************************/
ui_ReadCommand = inl(devpriv->iobase + 128 + 12);
ui_ReadCommand = ui_ReadCommand & 0xFFDF0000UL;
outl(ui_ReadCommand, devpriv->iobase + 128 + 12);
/***************************/
/* Read the channel number */
/***************************/
ui_ChannelNumber = inl(devpriv->iobase + 128 + 60);
/**************************************/
/* Read the digital temperature value */
/**************************************/
ui_DigitalTemperature = inl(devpriv->iobase + 128 + 60);
send_sig(SIGIO, devpriv->tsk_Current, 0); /* send signal to the sample */
} /* if (((ui_StatusRegister1 & 0x8) == 0x8)) */
}
else {
if ((ui_StatusRegister2 & 0x1) == 0x1)
send_sig(SIGIO, devpriv->tsk_Current, 0); /* send signal to the sample */
} /* else if (((ui_StatusRegister1 & 0x8) == 0x8)) */
}
return;
}
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