diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c | 321 |
1 files changed, 56 insertions, 265 deletions
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c index 0ba5385226ae..8a613ae0acba 100644 --- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c +++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c @@ -21,17 +21,15 @@ * */ -#include "../addi_watchdog.h" - #define APCI1564_ADDRESS_RANGE 128 /* Digital Input IRQ Function Selection */ -#define ADDIDATA_OR 0 -#define ADDIDATA_AND 1 +#define APCI1564_DI_INT_OR (0 << 1) +#define APCI1564_DI_INT_AND (1 << 1) /* Digital Input Interrupt Enable Disable. */ -#define APCI1564_DIGITAL_IP_INTERRUPT_ENABLE 0x4 -#define APCI1564_DIGITAL_IP_INTERRUPT_DISABLE 0xfffffffb +#define APCI1564_DI_INT_ENABLE 0x4 +#define APCI1564_DI_INT_DISABLE 0xfffffffb /* Digital Output Interrupt Enable Disable. */ #define APCI1564_DIGITAL_OP_VCC_INTERRUPT_ENABLE 0x1 @@ -49,7 +47,7 @@ #define APCI1564_COUNTER4 3 /* - * devpriv->i_IobaseAmcc Register Map + * devpriv->amcc_iobase Register Map */ #define APCI1564_DI_REG 0x04 #define APCI1564_DI_INT_MODE1_REG 0x08 @@ -89,46 +87,6 @@ #define APCI1564_TCW_WARN_TIMEVAL_REG(x) (0x18 + ((x) * 0x20)) #define APCI1564_TCW_WARN_TIMEBASE_REG(x) (0x1c + ((x) * 0x20)) -/* Global variables */ -static unsigned int ui_InterruptStatus_1564; -static unsigned int ui_InterruptData, ui_Type; - -/* - * Configures the digital input Subdevice - * - * data[0] 1 = Enable interrupt, 0 = Disable interrupt - * data[1] 0 = ADDIDATA Interrupt OR LOGIC, 1 = ADDIDATA Interrupt AND LOGIC - * data[2] Interrupt mask for the mode 1 - * data[3] Interrupt mask for the mode 2 - */ -static int apci1564_di_config(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, - unsigned int *data) -{ - struct addi_private *devpriv = dev->private; - - devpriv->tsk_Current = current; - - /* Set the digital input logic */ - if (data[0] == ADDIDATA_ENABLE) { - data[2] = data[2] << 4; - data[3] = data[3] << 4; - outl(data[2], devpriv->i_IobaseAmcc + APCI1564_DI_INT_MODE1_REG); - outl(data[3], devpriv->i_IobaseAmcc + APCI1564_DI_INT_MODE2_REG); - if (data[1] == ADDIDATA_OR) - outl(0x4, devpriv->i_IobaseAmcc + APCI1564_DI_IRQ_REG); - else - outl(0x6, devpriv->i_IobaseAmcc + APCI1564_DI_IRQ_REG); - } else { - outl(0x0, devpriv->i_IobaseAmcc + APCI1564_DI_INT_MODE1_REG); - outl(0x0, devpriv->i_IobaseAmcc + APCI1564_DI_INT_MODE2_REG); - outl(0x0, devpriv->i_IobaseAmcc + APCI1564_DI_IRQ_REG); - } - - return insn->n; -} - /* * Configures The Digital Output Subdevice. * @@ -140,33 +98,26 @@ static int apci1564_do_config(struct comedi_device *dev, struct comedi_insn *insn, unsigned int *data) { - struct addi_private *devpriv = dev->private; + struct apci1564_private *devpriv = dev->private; unsigned int ul_Command = 0; if ((data[0] != 0) && (data[0] != 1)) { - comedi_error(dev, - "Not a valid Data !!! ,Data should be 1 or 0\n"); + dev_err(dev->class_dev, "Data should be 1 or 0\n"); return -EINVAL; } - if (data[0]) - devpriv->b_OutputMemoryStatus = ADDIDATA_ENABLE; - else - devpriv->b_OutputMemoryStatus = ADDIDATA_DISABLE; - - if (data[1] == ADDIDATA_ENABLE) + if (data[1] == 1) ul_Command = ul_Command | 0x1; else ul_Command = ul_Command & 0xFFFFFFFE; - if (data[2] == ADDIDATA_ENABLE) + if (data[2] == 1) ul_Command = ul_Command | 0x2; else ul_Command = ul_Command & 0xFFFFFFFD; - outl(ul_Command, devpriv->i_IobaseAmcc + APCI1564_DO_INT_CTRL_REG); - ui_InterruptData = inl(devpriv->i_IobaseAmcc + APCI1564_DO_INT_CTRL_REG); - devpriv->tsk_Current = current; + outl(ul_Command, devpriv->amcc_iobase + APCI1564_DO_INT_CTRL_REG); + devpriv->tsk_current = current; return insn->n; } @@ -186,31 +137,31 @@ static int apci1564_timer_config(struct comedi_device *dev, struct comedi_insn *insn, unsigned int *data) { - struct addi_private *devpriv = dev->private; + struct apci1564_private *devpriv = dev->private; unsigned int ul_Command1 = 0; - devpriv->tsk_Current = current; + devpriv->tsk_current = current; if (data[0] == ADDIDATA_WATCHDOG) { - devpriv->b_TimerSelectMode = ADDIDATA_WATCHDOG; + devpriv->timer_select_mode = ADDIDATA_WATCHDOG; /* Disable the watchdog */ - outl(0x0, devpriv->i_IobaseAmcc + APCI1564_WDOG_CTRL_REG); + outl(0x0, devpriv->amcc_iobase + APCI1564_WDOG_CTRL_REG); /* Loading the Reload value */ - outl(data[3], devpriv->i_IobaseAmcc + APCI1564_WDOG_RELOAD_REG); + outl(data[3], devpriv->amcc_iobase + APCI1564_WDOG_RELOAD_REG); } else if (data[0] == ADDIDATA_TIMER) { /* First Stop The Timer */ - ul_Command1 = inl(devpriv->i_IobaseAmcc + APCI1564_TIMER_CTRL_REG); + ul_Command1 = inl(devpriv->amcc_iobase + APCI1564_TIMER_CTRL_REG); ul_Command1 = ul_Command1 & 0xFFFFF9FEUL; /* Stop The Timer */ - outl(ul_Command1, devpriv->i_IobaseAmcc + APCI1564_TIMER_CTRL_REG); + outl(ul_Command1, devpriv->amcc_iobase + APCI1564_TIMER_CTRL_REG); - devpriv->b_TimerSelectMode = ADDIDATA_TIMER; + devpriv->timer_select_mode = ADDIDATA_TIMER; if (data[1] == 1) { /* Enable TIMER int & DISABLE ALL THE OTHER int SOURCES */ - outl(0x02, devpriv->i_IobaseAmcc + APCI1564_TIMER_CTRL_REG); - outl(0x0, devpriv->i_IobaseAmcc + APCI1564_DI_IRQ_REG); - outl(0x0, devpriv->i_IobaseAmcc + APCI1564_DO_IRQ_REG); - outl(0x0, devpriv->i_IobaseAmcc + APCI1564_WDOG_IRQ_REG); + outl(0x02, devpriv->amcc_iobase + APCI1564_TIMER_CTRL_REG); + outl(0x0, devpriv->amcc_iobase + APCI1564_DI_IRQ_REG); + outl(0x0, devpriv->amcc_iobase + APCI1564_DO_IRQ_REG); + outl(0x0, devpriv->amcc_iobase + APCI1564_WDOG_IRQ_REG); outl(0x0, dev->iobase + APCI1564_TCW_IRQ_REG(APCI1564_COUNTER1)); outl(0x0, @@ -221,22 +172,22 @@ static int apci1564_timer_config(struct comedi_device *dev, dev->iobase + APCI1564_TCW_IRQ_REG(APCI1564_COUNTER4)); } else { /* disable Timer interrupt */ - outl(0x0, devpriv->i_IobaseAmcc + APCI1564_TIMER_CTRL_REG); + outl(0x0, devpriv->amcc_iobase + APCI1564_TIMER_CTRL_REG); } /* Loading Timebase */ - outl(data[2], devpriv->i_IobaseAmcc + APCI1564_TIMER_TIMEBASE_REG); + outl(data[2], devpriv->amcc_iobase + APCI1564_TIMER_TIMEBASE_REG); /* Loading the Reload value */ - outl(data[3], devpriv->i_IobaseAmcc + APCI1564_TIMER_RELOAD_REG); + outl(data[3], devpriv->amcc_iobase + APCI1564_TIMER_RELOAD_REG); - ul_Command1 = inl(devpriv->i_IobaseAmcc + APCI1564_TIMER_CTRL_REG); + ul_Command1 = inl(devpriv->amcc_iobase + APCI1564_TIMER_CTRL_REG); ul_Command1 = (ul_Command1 & 0xFFF719E2UL) | 2UL << 13UL | 0x10UL; /* mode 2 */ - outl(ul_Command1, devpriv->i_IobaseAmcc + APCI1564_TIMER_CTRL_REG); + outl(ul_Command1, devpriv->amcc_iobase + APCI1564_TIMER_CTRL_REG); } else if (data[0] == ADDIDATA_COUNTER) { - devpriv->b_TimerSelectMode = ADDIDATA_COUNTER; - devpriv->b_ModeSelectRegister = data[5]; + devpriv->timer_select_mode = ADDIDATA_COUNTER; + devpriv->mode_select_register = data[5]; /* First Stop The Counter */ ul_Command1 = inl(dev->iobase + APCI1564_TCW_CTRL_REG(data[5] - 1)); @@ -285,45 +236,45 @@ static int apci1564_timer_write(struct comedi_device *dev, struct comedi_insn *insn, unsigned int *data) { - struct addi_private *devpriv = dev->private; + struct apci1564_private *devpriv = dev->private; unsigned int ul_Command1 = 0; - if (devpriv->b_TimerSelectMode == ADDIDATA_WATCHDOG) { + if (devpriv->timer_select_mode == ADDIDATA_WATCHDOG) { switch (data[1]) { case 0: /* stop the watchdog */ /* disable the watchdog */ - outl(0x0, devpriv->i_IobaseAmcc + APCI1564_WDOG_CTRL_REG); + outl(0x0, devpriv->amcc_iobase + APCI1564_WDOG_CTRL_REG); break; case 1: /* start the watchdog */ - outl(0x0001, devpriv->i_IobaseAmcc + APCI1564_WDOG_CTRL_REG); + outl(0x0001, devpriv->amcc_iobase + APCI1564_WDOG_CTRL_REG); break; case 2: /* Software trigger */ - outl(0x0201, devpriv->i_IobaseAmcc + APCI1564_WDOG_CTRL_REG); + outl(0x0201, devpriv->amcc_iobase + APCI1564_WDOG_CTRL_REG); break; default: dev_err(dev->class_dev, "Specified functionality does not exist.\n"); return -EINVAL; } } - if (devpriv->b_TimerSelectMode == ADDIDATA_TIMER) { + if (devpriv->timer_select_mode == ADDIDATA_TIMER) { if (data[1] == 1) { - ul_Command1 = inl(devpriv->i_IobaseAmcc + APCI1564_TIMER_CTRL_REG); + ul_Command1 = inl(devpriv->amcc_iobase + APCI1564_TIMER_CTRL_REG); ul_Command1 = (ul_Command1 & 0xFFFFF9FFUL) | 0x1UL; /* Enable the Timer */ - outl(ul_Command1, devpriv->i_IobaseAmcc + APCI1564_TIMER_CTRL_REG); + outl(ul_Command1, devpriv->amcc_iobase + APCI1564_TIMER_CTRL_REG); } else if (data[1] == 0) { /* Stop The Timer */ - ul_Command1 = inl(devpriv->i_IobaseAmcc + APCI1564_TIMER_CTRL_REG); + ul_Command1 = inl(devpriv->amcc_iobase + APCI1564_TIMER_CTRL_REG); ul_Command1 = ul_Command1 & 0xFFFFF9FEUL; - outl(ul_Command1, devpriv->i_IobaseAmcc + APCI1564_TIMER_CTRL_REG); + outl(ul_Command1, devpriv->amcc_iobase + APCI1564_TIMER_CTRL_REG); } } - if (devpriv->b_TimerSelectMode == ADDIDATA_COUNTER) { + if (devpriv->timer_select_mode == ADDIDATA_COUNTER) { ul_Command1 = inl(dev->iobase + - APCI1564_TCW_CTRL_REG(devpriv->b_ModeSelectRegister - 1)); + APCI1564_TCW_CTRL_REG(devpriv->mode_select_register - 1)); if (data[1] == 1) { /* Start the Counter subdevice */ ul_Command1 = (ul_Command1 & 0xFFFFF9FFUL) | 0x1UL; @@ -336,7 +287,7 @@ static int apci1564_timer_write(struct comedi_device *dev, ul_Command1 = (ul_Command1 & 0xFFFFF9FFUL) | 0x400; } outl(ul_Command1, dev->iobase + - APCI1564_TCW_CTRL_REG(devpriv->b_ModeSelectRegister - 1)); + APCI1564_TCW_CTRL_REG(devpriv->mode_select_register - 1)); } return insn->n; } @@ -349,27 +300,27 @@ static int apci1564_timer_read(struct comedi_device *dev, struct comedi_insn *insn, unsigned int *data) { - struct addi_private *devpriv = dev->private; + struct apci1564_private *devpriv = dev->private; unsigned int ul_Command1 = 0; - if (devpriv->b_TimerSelectMode == ADDIDATA_WATCHDOG) { + if (devpriv->timer_select_mode == ADDIDATA_WATCHDOG) { /* Stores the status of the Watchdog */ - data[0] = inl(devpriv->i_IobaseAmcc + APCI1564_WDOG_STATUS_REG) & 0x1; - data[1] = inl(devpriv->i_IobaseAmcc + APCI1564_WDOG_REG); - } else if (devpriv->b_TimerSelectMode == ADDIDATA_TIMER) { + data[0] = inl(devpriv->amcc_iobase + APCI1564_WDOG_STATUS_REG) & 0x1; + data[1] = inl(devpriv->amcc_iobase + APCI1564_WDOG_REG); + } else if (devpriv->timer_select_mode == ADDIDATA_TIMER) { /* Stores the status of the Timer */ - data[0] = inl(devpriv->i_IobaseAmcc + APCI1564_TIMER_STATUS_REG) & 0x1; + data[0] = inl(devpriv->amcc_iobase + APCI1564_TIMER_STATUS_REG) & 0x1; /* Stores the Actual value of the Timer */ - data[1] = inl(devpriv->i_IobaseAmcc + APCI1564_TIMER_REG); - } else if (devpriv->b_TimerSelectMode == ADDIDATA_COUNTER) { + data[1] = inl(devpriv->amcc_iobase + APCI1564_TIMER_REG); + } else if (devpriv->timer_select_mode == ADDIDATA_COUNTER) { /* Read the Counter Actual Value. */ data[0] = inl(dev->iobase + - APCI1564_TCW_REG(devpriv->b_ModeSelectRegister - 1)); + APCI1564_TCW_REG(devpriv->mode_select_register - 1)); ul_Command1 = inl(dev->iobase + - APCI1564_TCW_STATUS_REG(devpriv->b_ModeSelectRegister - 1)); + APCI1564_TCW_STATUS_REG(devpriv->mode_select_register - 1)); /* Get the software trigger status */ data[1] = (unsigned char) ((ul_Command1 >> 1) & 1); @@ -382,170 +333,10 @@ static int apci1564_timer_read(struct comedi_device *dev, /* Get the overflow status */ data[4] = (unsigned char) ((ul_Command1 >> 0) & 1); - } else if ((devpriv->b_TimerSelectMode != ADDIDATA_TIMER) - && (devpriv->b_TimerSelectMode != ADDIDATA_WATCHDOG) - && (devpriv->b_TimerSelectMode != ADDIDATA_COUNTER)) { + } else if ((devpriv->timer_select_mode != ADDIDATA_TIMER) + && (devpriv->timer_select_mode != ADDIDATA_WATCHDOG) + && (devpriv->timer_select_mode != ADDIDATA_COUNTER)) { dev_err(dev->class_dev, "Invalid Subdevice!\n"); } return insn->n; } - -/* - * Reads the interrupt status register - */ -static int apci1564_do_read(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, - unsigned int *data) -{ - *data = ui_Type; - return insn->n; -} - -/* - * Interrupt handler for the interruptible digital inputs - */ -static void apci1564_interrupt(int irq, void *d) -{ - struct comedi_device *dev = d; - struct addi_private *devpriv = dev->private; - unsigned int ui_DO, ui_DI; - unsigned int ui_Timer; - unsigned int ui_C1, ui_C2, ui_C3, ui_C4; - unsigned int ul_Command2 = 0; - - ui_DI = inl(devpriv->i_IobaseAmcc + APCI1564_DI_IRQ_REG) & 0x01; - ui_DO = inl(devpriv->i_IobaseAmcc + APCI1564_DO_IRQ_REG) & 0x01; - ui_Timer = inl(devpriv->i_IobaseAmcc + APCI1564_TIMER_IRQ_REG) & 0x01; - ui_C1 = - inl(dev->iobase + APCI1564_TCW_IRQ_REG(APCI1564_COUNTER1)) & 0x1; - ui_C2 = - inl(dev->iobase + APCI1564_TCW_IRQ_REG(APCI1564_COUNTER2)) & 0x1; - ui_C3 = - inl(dev->iobase + APCI1564_TCW_IRQ_REG(APCI1564_COUNTER3)) & 0x1; - ui_C4 = - inl(dev->iobase + APCI1564_TCW_IRQ_REG(APCI1564_COUNTER4)) & 0x1; - if (ui_DI == 0 && ui_DO == 0 && ui_Timer == 0 && ui_C1 == 0 - && ui_C2 == 0 && ui_C3 == 0 && ui_C4 == 0) { - dev_err(dev->class_dev, "Interrupt from unknown source.\n"); - } - - if (ui_DI == 1) { - ui_DI = inl(devpriv->i_IobaseAmcc + APCI1564_DI_IRQ_REG); - outl(0x0, devpriv->i_IobaseAmcc + APCI1564_DI_IRQ_REG); - ui_InterruptStatus_1564 = - inl(devpriv->i_IobaseAmcc + APCI1564_DI_INT_STATUS_REG); - ui_InterruptStatus_1564 = ui_InterruptStatus_1564 & 0X000FFFF0; - /* send signal to the sample */ - send_sig(SIGIO, devpriv->tsk_Current, 0); - /* enable the interrupt */ - outl(ui_DI, devpriv->i_IobaseAmcc + APCI1564_DI_IRQ_REG); - return; - } - - if (ui_DO == 1) { - /* Check for Digital Output interrupt Type */ - /* 1: VCC interrupt */ - /* 2: CC interrupt */ - ui_Type = inl(devpriv->i_IobaseAmcc + APCI1564_DO_INT_STATUS_REG) & 0x3; - /* Disable the Interrupt */ - outl(0x0, devpriv->i_IobaseAmcc + APCI1564_DO_INT_CTRL_REG); - - /* Sends signal to user space */ - send_sig(SIGIO, devpriv->tsk_Current, 0); - } - - if (ui_Timer == 1) { - devpriv->b_TimerSelectMode = ADDIDATA_TIMER; - if (devpriv->b_TimerSelectMode) { - - /* Disable Timer Interrupt */ - ul_Command2 = inl(devpriv->i_IobaseAmcc + APCI1564_TIMER_CTRL_REG); - outl(0x0, devpriv->i_IobaseAmcc + APCI1564_TIMER_CTRL_REG); - - /* Send a signal to from kernel to user space */ - send_sig(SIGIO, devpriv->tsk_Current, 0); - - /* Enable Timer Interrupt */ - - outl(ul_Command2, devpriv->i_IobaseAmcc + APCI1564_TIMER_CTRL_REG); - } - } - - if (ui_C1 == 1) { - devpriv->b_TimerSelectMode = ADDIDATA_COUNTER; - if (devpriv->b_TimerSelectMode) { - - /* Disable Counter Interrupt */ - ul_Command2 = - inl(dev->iobase + APCI1564_TCW_CTRL_REG(APCI1564_COUNTER1)); - outl(0x0, - dev->iobase + APCI1564_TCW_CTRL_REG(APCI1564_COUNTER1)); - - /* Send a signal to from kernel to user space */ - send_sig(SIGIO, devpriv->tsk_Current, 0); - - /* Enable Counter Interrupt */ - outl(ul_Command2, - dev->iobase + APCI1564_TCW_CTRL_REG(APCI1564_COUNTER1)); - } - } - - if (ui_C2 == 1) { - devpriv->b_TimerSelectMode = ADDIDATA_COUNTER; - if (devpriv->b_TimerSelectMode) { - - /* Disable Counter Interrupt */ - ul_Command2 = - inl(dev->iobase + APCI1564_TCW_CTRL_REG(APCI1564_COUNTER2)); - outl(0x0, - dev->iobase + APCI1564_TCW_CTRL_REG(APCI1564_COUNTER2)); - - /* Send a signal to from kernel to user space */ - send_sig(SIGIO, devpriv->tsk_Current, 0); - - /* Enable Counter Interrupt */ - outl(ul_Command2, - dev->iobase + APCI1564_TCW_CTRL_REG(APCI1564_COUNTER2)); - } - } - - if (ui_C3 == 1) { - devpriv->b_TimerSelectMode = ADDIDATA_COUNTER; - if (devpriv->b_TimerSelectMode) { - - /* Disable Counter Interrupt */ - ul_Command2 = - inl(dev->iobase + APCI1564_TCW_CTRL_REG(APCI1564_COUNTER3)); - outl(0x0, - dev->iobase + APCI1564_TCW_CTRL_REG(APCI1564_COUNTER3)); - - /* Send a signal to from kernel to user space */ - send_sig(SIGIO, devpriv->tsk_Current, 0); - - /* Enable Counter Interrupt */ - outl(ul_Command2, - dev->iobase + APCI1564_TCW_CTRL_REG(APCI1564_COUNTER3)); - } - } - - if (ui_C4 == 1) { - devpriv->b_TimerSelectMode = ADDIDATA_COUNTER; - if (devpriv->b_TimerSelectMode) { - - /* Disable Counter Interrupt */ - ul_Command2 = - inl(dev->iobase + APCI1564_TCW_CTRL_REG(APCI1564_COUNTER4)); - outl(0x0, - dev->iobase + APCI1564_TCW_CTRL_REG(APCI1564_COUNTER4)); - - /* Send a signal to from kernel to user space */ - send_sig(SIGIO, devpriv->tsk_Current, 0); - - /* Enable Counter Interrupt */ - outl(ul_Command2, - dev->iobase + APCI1564_TCW_CTRL_REG(APCI1564_COUNTER4)); - } - } - return; -} |