diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/ni_pcidio.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/ni_pcidio.c | 171 |
1 files changed, 86 insertions, 85 deletions
diff --git a/drivers/staging/comedi/drivers/ni_pcidio.c b/drivers/staging/comedi/drivers/ni_pcidio.c index 35ef1925703f..daeb4ad7a75f 100644 --- a/drivers/staging/comedi/drivers/ni_pcidio.c +++ b/drivers/staging/comedi/drivers/ni_pcidio.c @@ -1,50 +1,49 @@ /* - comedi/drivers/ni_pcidio.c - driver for National Instruments PCI-DIO-32HS - - COMEDI - Linux Control and Measurement Device Interface - Copyright (C) 1999,2002 David A. Schleef <ds@schleef.org> - - 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 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. See the - GNU General Public License for more details. -*/ + * Comedi driver for National Instruments PCI-DIO-32HS + * + * COMEDI - Linux Control and Measurement Device Interface + * Copyright (C) 1999,2002 David A. Schleef <ds@schleef.org> + * + * 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 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. See the + * GNU General Public License for more details. + */ + /* -Driver: ni_pcidio -Description: National Instruments PCI-DIO32HS, PCI-6533 -Author: ds -Status: works -Devices: [National Instruments] PCI-DIO-32HS (ni_pcidio) - [National Instruments] PXI-6533, PCI-6533 (pxi-6533) - [National Instruments] PCI-6534 (pci-6534) -Updated: Mon, 09 Jan 2012 14:27:23 +0000 - -The DIO32HS board appears as one subdevice, with 32 channels. -Each channel is individually I/O configurable. The channel order -is 0=A0, 1=A1, 2=A2, ... 8=B0, 16=C0, 24=D0. The driver only -supports simple digital I/O; no handshaking is supported. - -DMA mostly works for the PCI-DIO32HS, but only in timed input mode. - -The PCI-DIO-32HS/PCI-6533 has a configurable external trigger. Setting -scan_begin_arg to 0 or CR_EDGE triggers on the leading edge. Setting -scan_begin_arg to CR_INVERT or (CR_EDGE | CR_INVERT) triggers on the -trailing edge. - -This driver could be easily modified to support AT-MIO32HS and -AT-MIO96. - -The PCI-6534 requires a firmware upload after power-up to work, the -firmware data and instructions for loading it with comedi_config -it are contained in the -comedi_nonfree_firmware tarball available from http://www.comedi.org -*/ + * Driver: ni_pcidio + * Description: National Instruments PCI-DIO32HS, PCI-6533 + * Author: ds + * Status: works + * Devices: [National Instruments] PCI-DIO-32HS (ni_pcidio) + * [National Instruments] PXI-6533, PCI-6533 (pxi-6533) + * [National Instruments] PCI-6534 (pci-6534) + * Updated: Mon, 09 Jan 2012 14:27:23 +0000 + * + * The DIO32HS board appears as one subdevice, with 32 channels. Each + * channel is individually I/O configurable. The channel order is 0=A0, + * 1=A1, 2=A2, ... 8=B0, 16=C0, 24=D0. The driver only supports simple + * digital I/O; no handshaking is supported. + * + * DMA mostly works for the PCI-DIO32HS, but only in timed input mode. + * + * The PCI-DIO-32HS/PCI-6533 has a configurable external trigger. Setting + * scan_begin_arg to 0 or CR_EDGE triggers on the leading edge. Setting + * scan_begin_arg to CR_INVERT or (CR_EDGE | CR_INVERT) triggers on the + * trailing edge. + * + * This driver could be easily modified to support AT-MIO32HS and AT-MIO96. + * + * The PCI-6534 requires a firmware upload after power-up to work, the + * firmware data and instructions for loading it with comedi_config + * it are contained in the comedi_nonfree_firmware tarball available from + * http://www.comedi.org + */ #define USE_DMA @@ -61,36 +60,36 @@ comedi_nonfree_firmware tarball available from http://www.comedi.org #define Window_Address 4 /* W */ #define Interrupt_And_Window_Status 4 /* R */ -#define IntStatus1 (1<<0) -#define IntStatus2 (1<<1) +#define IntStatus1 BIT(0) +#define IntStatus2 BIT(1) #define WindowAddressStatus_mask 0x7c #define Master_DMA_And_Interrupt_Control 5 /* W */ #define InterruptLine(x) ((x)&3) -#define OpenInt (1<<2) +#define OpenInt BIT(2) #define Group_Status 5 /* R */ -#define DataLeft (1<<0) -#define Req (1<<2) -#define StopTrig (1<<3) +#define DataLeft BIT(0) +#define Req BIT(2) +#define StopTrig BIT(3) #define Group_1_Flags 6 /* R */ #define Group_2_Flags 7 /* R */ -#define TransferReady (1<<0) -#define CountExpired (1<<1) -#define Waited (1<<5) -#define PrimaryTC (1<<6) -#define SecondaryTC (1<<7) +#define TransferReady BIT(0) +#define CountExpired BIT(1) +#define Waited BIT(5) +#define PrimaryTC BIT(6) +#define SecondaryTC BIT(7) /* #define SerialRose */ /* #define ReqRose */ /* #define Paused */ #define Group_1_First_Clear 6 /* W */ #define Group_2_First_Clear 7 /* W */ -#define ClearWaited (1<<3) -#define ClearPrimaryTC (1<<4) -#define ClearSecondaryTC (1<<5) -#define DMAReset (1<<6) -#define FIFOReset (1<<7) +#define ClearWaited BIT(3) +#define ClearPrimaryTC BIT(4) +#define ClearSecondaryTC BIT(5) +#define DMAReset BIT(6) +#define FIFOReset BIT(7) #define ClearAll 0xf8 #define Group_1_FIFO 8 /* W */ @@ -111,27 +110,27 @@ comedi_nonfree_firmware tarball available from http://www.comedi.org #define Group_1_Second_Clear 46 /* W */ #define Group_2_Second_Clear 47 /* W */ -#define ClearExpired (1<<0) +#define ClearExpired BIT(0) #define Port_Pattern(x) (48+(x)) #define Data_Path 64 -#define FIFOEnableA (1<<0) -#define FIFOEnableB (1<<1) -#define FIFOEnableC (1<<2) -#define FIFOEnableD (1<<3) +#define FIFOEnableA BIT(0) +#define FIFOEnableB BIT(1) +#define FIFOEnableC BIT(2) +#define FIFOEnableD BIT(3) #define Funneling(x) (((x)&3)<<4) -#define GroupDirection (1<<7) +#define GroupDirection BIT(7) #define Protocol_Register_1 65 #define OpMode Protocol_Register_1 #define RunMode(x) ((x)&7) -#define Numbered (1<<3) +#define Numbered BIT(3) #define Protocol_Register_2 66 #define ClockReg Protocol_Register_2 #define ClockLine(x) (((x)&3)<<5) -#define InvertStopTrig (1<<7) +#define InvertStopTrig BIT(7) #define DataLatching(x) (((x)&3)<<5) #define Protocol_Register_3 67 @@ -152,17 +151,17 @@ comedi_nonfree_firmware tarball available from http://www.comedi.org #define Protocol_Register_6 73 #define LinePolarities Protocol_Register_6 -#define InvertAck (1<<0) -#define InvertReq (1<<1) -#define InvertClock (1<<2) -#define InvertSerial (1<<3) -#define OpenAck (1<<4) -#define OpenClock (1<<5) +#define InvertAck BIT(0) +#define InvertReq BIT(1) +#define InvertClock BIT(2) +#define InvertSerial BIT(3) +#define OpenAck BIT(4) +#define OpenClock BIT(5) #define Protocol_Register_7 74 #define AckSer Protocol_Register_7 #define AckLine(x) (((x)&3)<<2) -#define ExchangePins (1<<7) +#define ExchangePins BIT(7) #define Interrupt_Control 75 /* bits same as flags */ @@ -183,20 +182,20 @@ static inline unsigned int secondary_DMAChannel_bits(unsigned int channel) #define Transfer_Size_Control 77 #define TransferWidth(x) ((x)&3) #define TransferLength(x) (((x)&3)<<3) -#define RequireRLevel (1<<5) +#define RequireRLevel BIT(5) #define Protocol_Register_15 79 #define DAQOptions Protocol_Register_15 #define StartSource(x) ((x)&0x3) -#define InvertStart (1<<2) +#define InvertStart BIT(2) #define StopSource(x) (((x)&0x3)<<3) -#define ReqStart (1<<6) -#define PreStart (1<<7) +#define ReqStart BIT(6) +#define PreStart BIT(7) #define Pattern_Detection 81 -#define DetectionMethod (1<<0) -#define InvertMatch (1<<1) -#define IE_Pattern_Detection (1<<2) +#define DetectionMethod BIT(0) +#define InvertMatch BIT(1) +#define IE_Pattern_Detection BIT(2) #define Protocol_Register_9 82 #define ReqDelay Protocol_Register_9 @@ -649,8 +648,10 @@ static int ni_pcidio_cmd(struct comedi_device *dev, struct comedi_subdevice *s) writeb(1, dev->mmio + AckDelay); writeb(0x0b, dev->mmio + AckNotDelay); writeb(0x01, dev->mmio + Data1Delay); - /* manual, page 4-5: ClockSpeed comment is incorrectly listed - * on DAQOptions */ + /* + * manual, page 4-5: + * ClockSpeed comment is incorrectly listed on DAQOptions + */ writew(0, dev->mmio + ClockSpeed); writeb(0, dev->mmio + DAQOptions); } else { |