From 28fec2e65f70a20082834f6f6cdbfa94545d2668 Mon Sep 17 00:00:00 2001 From: Anson Jacob Date: Fri, 26 Aug 2016 19:12:52 -0400 Subject: staging: comedi: cb_pcidas64.c: Fix checkpatch warning Fix checkpatch.pl warning: Block comments use * on subsequent lines Block comments use a trailing */ on a separate line Signed-off-by: Anson Jacob Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/cb_pcidas64.c | 148 ++++++++++++++------------- 1 file changed, 77 insertions(+), 71 deletions(-) (limited to 'drivers/staging/comedi') diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c b/drivers/staging/comedi/drivers/cb_pcidas64.c index aae839e7726f..281dc56c75f1 100644 --- a/drivers/staging/comedi/drivers/cb_pcidas64.c +++ b/drivers/staging/comedi/drivers/cb_pcidas64.c @@ -1,34 +1,34 @@ /* - comedi/drivers/cb_pcidas64.c - This is a driver for the ComputerBoards/MeasurementComputing PCI-DAS - 64xx, 60xx, and 4020 cards. - - Author: Frank Mori Hess - Copyright (C) 2001, 2002 Frank Mori Hess - - Thanks also go to the following people: - - Steve Rosenbluth, for providing the source code for - his pci-das6402 driver, and source code for working QNX pci-6402 - drivers by Greg Laird and Mariusz Bogacz. None of the code was - used directly here, but it was useful as an additional source of - documentation on how to program the boards. - - John Sims, for much testing and feedback on pcidas-4020 support. - - COMEDI - Linux Control and Measurement Device Interface - Copyright (C) 1997-8 David A. Schleef - - 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/drivers/cb_pcidas64.c + * This is a driver for the ComputerBoards/MeasurementComputing PCI-DAS + * 64xx, 60xx, and 4020 cards. + * + * Author: Frank Mori Hess + * Copyright (C) 2001, 2002 Frank Mori Hess + * + * Thanks also go to the following people: + * + * Steve Rosenbluth, for providing the source code for + * his pci-das6402 driver, and source code for working QNX pci-6402 + * drivers by Greg Laird and Mariusz Bogacz. None of the code was + * used directly here, but it was useful as an additional source of + * documentation on how to program the boards. + * + * John Sims, for much testing and feedback on pcidas-4020 support. + * + * COMEDI - Linux Control and Measurement Device Interface + * Copyright (C) 1997-8 David A. Schleef + * + * 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: cb_pcidas64 @@ -66,19 +66,18 @@ */ /* - -TODO: - make it return error if user attempts an ai command that uses the - external queue, and an ao command simultaneously user counter subdevice - there are a number of boards this driver will support when they are - fully released, but does not yet since the pci device id numbers - are not yet available. - - support prescaled 100khz clock for slow pacing (not available on 6000 - series?) - - make ao fifo size adjustable like ai fifo -*/ + * TODO: + * make it return error if user attempts an ai command that uses the + * external queue, and an ao command simultaneously user counter subdevice + * there are a number of boards this driver will support when they are + * fully released, but does not yet since the pci device id numbers + * are not yet available. + * + * support prescaled 100khz clock for slow pacing (not available on 6000 + * series?) + * + * make ao fifo size adjustable like ai fifo + */ #include #include @@ -90,53 +89,55 @@ TODO: #include "plx9080.h" #define TIMER_BASE 25 /* 40MHz master clock */ -/* 100kHz 'prescaled' clock for slow acquisition, - * maybe I'll support this someday */ +/* + * 100kHz 'prescaled' clock for slow acquisition, + * maybe I'll support this someday + */ #define PRESCALED_TIMER_BASE 10000 #define DMA_BUFFER_SIZE 0x1000 -/* maximum value that can be loaded into board's 24-bit counters*/ +/* maximum value that can be loaded into board's 24-bit counters */ static const int max_counter_value = 0xffffff; /* PCI-DAS64xxx base addresses */ /* devpriv->main_iobase registers */ enum write_only_registers { - INTR_ENABLE_REG = 0x0, /* interrupt enable register */ - HW_CONFIG_REG = 0x2, /* hardware config register */ + INTR_ENABLE_REG = 0x0, /* interrupt enable register */ + HW_CONFIG_REG = 0x2, /* hardware config register */ DAQ_SYNC_REG = 0xc, DAQ_ATRIG_LOW_4020_REG = 0xc, - ADC_CONTROL0_REG = 0x10, /* adc control register 0 */ - ADC_CONTROL1_REG = 0x12, /* adc control register 1 */ + ADC_CONTROL0_REG = 0x10, /* adc control register 0 */ + ADC_CONTROL1_REG = 0x12, /* adc control register 1 */ CALIBRATION_REG = 0x14, - /* lower 16 bits of adc sample interval counter */ + /* lower 16 bits of adc sample interval counter */ ADC_SAMPLE_INTERVAL_LOWER_REG = 0x16, - /* upper 8 bits of adc sample interval counter */ + /* upper 8 bits of adc sample interval counter */ ADC_SAMPLE_INTERVAL_UPPER_REG = 0x18, - /* lower 16 bits of delay interval counter */ + /* lower 16 bits of delay interval counter */ ADC_DELAY_INTERVAL_LOWER_REG = 0x1a, - /* upper 8 bits of delay interval counter */ + /* upper 8 bits of delay interval counter */ ADC_DELAY_INTERVAL_UPPER_REG = 0x1c, - /* lower 16 bits of hardware conversion/scan counter */ + /* lower 16 bits of hardware conversion/scan counter */ ADC_COUNT_LOWER_REG = 0x1e, - /* upper 8 bits of hardware conversion/scan counter */ + /* upper 8 bits of hardware conversion/scan counter */ ADC_COUNT_UPPER_REG = 0x20, - ADC_START_REG = 0x22, /* software trigger to start acquisition */ - ADC_CONVERT_REG = 0x24, /* initiates single conversion */ - ADC_QUEUE_CLEAR_REG = 0x26, /* clears adc queue */ - ADC_QUEUE_LOAD_REG = 0x28, /* loads adc queue */ + ADC_START_REG = 0x22, /* software trigger to start acquisition */ + ADC_CONVERT_REG = 0x24, /* initiates single conversion */ + ADC_QUEUE_CLEAR_REG = 0x26, /* clears adc queue */ + ADC_QUEUE_LOAD_REG = 0x28, /* loads adc queue */ ADC_BUFFER_CLEAR_REG = 0x2a, - /* high channel for internal queue, use adc_chan_bits() inline above */ + /* high channel for internal queue, use adc_chan_bits() inline above */ ADC_QUEUE_HIGH_REG = 0x2c, - DAC_CONTROL0_REG = 0x50, /* dac control register 0 */ - DAC_CONTROL1_REG = 0x52, /* dac control register 0 */ - /* lower 16 bits of dac sample interval counter */ + DAC_CONTROL0_REG = 0x50, /* dac control register 0 */ + DAC_CONTROL1_REG = 0x52, /* dac control register 0 */ + /* lower 16 bits of dac sample interval counter */ DAC_SAMPLE_INTERVAL_LOWER_REG = 0x54, - /* upper 8 bits of dac sample interval counter */ + /* upper 8 bits of dac sample interval counter */ DAC_SAMPLE_INTERVAL_UPPER_REG = 0x56, DAC_SELECT_REG = 0x60, DAC_START_REG = 0x64, - DAC_BUFFER_CLEAR_REG = 0x66, /* clear dac buffer */ + DAC_BUFFER_CLEAR_REG = 0x66, /* clear dac buffer */ }; static inline unsigned int dac_convert_reg(unsigned int channel) @@ -216,7 +217,8 @@ enum hw_config_contents { /* use 225 nanosec strobe when loading dac instead of 50 nanosec */ SLOW_DAC_BIT = 0x400, /* bit with unknown function yet given as default value in pci-das64 - * manual */ + * manual + */ HW_CONFIG_DUMMY_BITS = 0x2000, /* bit selects channels 1/0 for analog input/output, otherwise 0/1 */ DMA_CH_SELECT_BIT = 0x8000, @@ -1138,12 +1140,14 @@ struct pcidas64_private { /* physical addresses of ai dma buffers */ dma_addr_t ai_buffer_bus_addr[MAX_AI_DMA_RING_COUNT]; /* array of ai dma descriptors read by plx9080, - * allocated to get proper alignment */ + * allocated to get proper alignment + */ struct plx_dma_desc *ai_dma_desc; /* physical address of ai dma descriptor array */ dma_addr_t ai_dma_desc_bus_addr; /* index of the ai dma descriptor/buffer - * that is currently being used */ + * that is currently being used + */ unsigned int ai_dma_index; /* dma buffers for analog output */ uint16_t *ao_buffer[AO_DMA_RING_COUNT]; @@ -1314,10 +1318,12 @@ static void init_plx9080(struct comedi_device *dev) /* enable dma chaining */ bits |= PLX_DMAMODE_CHAINEN; /* enable interrupt on dma done - * (probably don't need this, since chain never finishes) */ + * (probably don't need this, since chain never finishes) + */ bits |= PLX_DMAMODE_DONEIEN; /* don't increment local address during transfers - * (we are transferring from a fixed fifo register) */ + * (we are transferring from a fixed fifo register) + */ bits |= PLX_DMAMODE_LACONST; /* route dma interrupt to pci bus */ bits |= PLX_DMAMODE_INTRPCI; -- cgit v1.2.3-55-g7522