cb_pcidas.c revision f1bc434398e8cf400374911357e89a13de366ce7
159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* 259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez comedi/drivers/cb_pcidas.c 359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez Developed by Ivan Martinez and Frank Mori Hess, with valuable help from 559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez David Schleef and the rest of the Comedi developers comunity. 659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez Copyright (C) 2001-2003 Ivan Martinez <imr@oersted.dtu.dk> 859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez Copyright (C) 2001,2002 Frank Mori Hess <fmhess@users.sourceforge.net> 959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez COMEDI - Linux Control and Measurement Device Interface 1159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez Copyright (C) 1997-8 David A. Schleef <ds@schleef.org> 1259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez This program is free software; you can redistribute it and/or modify 1459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez it under the terms of the GNU General Public License as published by 1559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez the Free Software Foundation; either version 2 of the License, or 1659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez (at your option) any later version. 1759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez This program is distributed in the hope that it will be useful, 1959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez but WITHOUT ANY WARRANTY; without even the implied warranty of 2059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 2159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez GNU General Public License for more details. 2259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 2359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez You should have received a copy of the GNU General Public License 2459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez along with this program; if not, write to the Free Software 2559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 2659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 2759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez************************************************************************ 2859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez*/ 2959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* 3059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan MartinezDriver: cb_pcidas 3159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan MartinezDescription: MeasurementComputing PCI-DAS series with the AMCC S5933 PCI controller 3259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan MartinezAuthor: Ivan Martinez <imr@oersted.dtu.dk>, 3359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez Frank Mori Hess <fmhess@users.sourceforge.net> 3459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan MartinezUpdated: 2003-3-11 3559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan MartinezDevices: [Measurement Computing] PCI-DAS1602/16 (cb_pcidas), 3659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez PCI-DAS1602/16jr, PCI-DAS1602/12, PCI-DAS1200, PCI-DAS1200jr, 3759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez PCI-DAS1000, PCI-DAS1001, PCI_DAS1002 3859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 3959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan MartinezStatus: 4059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez There are many reports of the driver being used with most of the 4159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez supported cards. Despite no detailed log is maintained, it can 4259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez be said that the driver is quite tested and stable. 4359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 4459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez The boards may be autocalibrated using the comedi_calibrate 4559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez utility. 4659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 4759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan MartinezConfiguration options: 4859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez [0] - PCI bus of device (optional) 4959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez [1] - PCI slot of device (optional) 5059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez If bus/slot is not specified, the first supported 5159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez PCI device found will be used. 5259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 5359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan MartinezFor commands, the scanned channels must be consecutive 5459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez(i.e. 4-5-6-7, 2-3-4,...), and must all have the same 5559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinezrange and aref. 56f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost 57f1bc434398e8cf400374911357e89a13de366ce7Brice DubostAI Triggering: 58f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost For start_src == TRIG_EXT, the A/D EXTERNAL TRIGGER IN (pin 45) is used. 59f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost For 1602 series, the start_arg is interpreted as follows: 60f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost start_arg == 0 => gated triger (level high) 61f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost start_arg == CR_INVERT => gated triger (level low) 62f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost start_arg == CR_EDGE => Rising edge 63f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost start_arg == CR_EDGE | CR_INVERT => Falling edge 64f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost For the other boards the trigger will be done on rising edge 6559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez*/ 6659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* 6759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 6859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan MartinezTODO: 6959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 7059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinezanalog triggering on 1602 series 7159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez*/ 7259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 7359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#include "../comedidev.h" 7459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#include <linux/delay.h> 7570265d24e3404fe798b6edd55a02016b1edb49d7Jiri Slaby#include <linux/interrupt.h> 7659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 7759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#include "8253.h" 7859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#include "8255.h" 7959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#include "amcc_s5933.h" 8059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#include "comedi_pci.h" 8159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#include "comedi_fc.h" 8259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 83cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#undef CB_PCIDAS_DEBUG /* disable debugging code */ 84cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton/* #define CB_PCIDAS_DEBUG enable debugging code */ 8559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 86cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton/* PCI vendor number of ComputerBoards/MeasurementComputing */ 8759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define PCI_VENDOR_ID_CB 0x1307 88cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define TIMER_BASE 100 /* 10MHz master clock */ 89cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define AI_BUFFER_SIZE 1024 /* maximum fifo size of any supported board */ 90cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define AO_BUFFER_SIZE 1024 /* maximum fifo size of any supported board */ 9159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define NUM_CHANNELS_8800 8 9259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define NUM_CHANNELS_7376 1 9359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define NUM_CHANNELS_8402 2 9459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define NUM_CHANNELS_DAC08 1 9559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 9659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* PCI-DAS base addresses */ 9759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 98cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton/* indices of base address regions */ 9959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define S5933_BADRINDEX 0 10059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define CONT_STAT_BADRINDEX 1 10159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define ADC_FIFO_BADRINDEX 2 10259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define PACER_BADRINDEX 3 10359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define AO_BADRINDEX 4 104cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton/* sizes of io regions */ 10559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define CONT_STAT_SIZE 10 10659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define ADC_FIFO_SIZE 4 10759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define PACER_SIZE 12 10859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define AO_SIZE 4 10959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 11059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* Control/Status registers */ 111cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define INT_ADCFIFO 0 /* INTERRUPT / ADC FIFO register */ 112cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define INT_EOS 0x1 /* interrupt end of scan */ 113cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define INT_FHF 0x2 /* interrupt fifo half full */ 114cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define INT_FNE 0x3 /* interrupt fifo not empty */ 115cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define INT_MASK 0x3 /* mask of interrupt select bits */ 116cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define INTE 0x4 /* interrupt enable */ 117cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define DAHFIE 0x8 /* dac half full interrupt enable */ 118cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define EOAIE 0x10 /* end of aquisition interrupt enable */ 119cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define DAHFI 0x20 /* dac half full read status / write interrupt clear */ 120cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define EOAI 0x40 /* read end of acq. interrupt status / write clear */ 121cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define INT 0x80 /* read interrupt status / write clear */ 122cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define EOBI 0x200 /* read end of burst interrupt status */ 123cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define ADHFI 0x400 /* read half-full interrupt status */ 124cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define ADNEI 0x800 /* read fifo not empty interrupt latch status */ 125cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define ADNE 0x1000 /* read, fifo not empty (realtime, not latched) status */ 126cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define DAEMIE 0x1000 /* write, dac empty interrupt enable */ 127cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define LADFUL 0x2000 /* read fifo overflow / write clear */ 128cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define DAEMI 0x4000 /* dac fifo empty interrupt status / write clear */ 129cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton 130cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define ADCMUX_CONT 2 /* ADC CHANNEL MUX AND CONTROL register */ 13159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define BEGIN_SCAN(x) ((x) & 0xf) 13259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define END_SCAN(x) (((x) & 0xf) << 4) 13359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define GAIN_BITS(x) (((x) & 0x3) << 8) 134cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define UNIP 0x800 /* Analog front-end unipolar for range */ 135cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define SE 0x400 /* Inputs in single-ended mode */ 136cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define PACER_MASK 0x3000 /* pacer source bits */ 137cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define PACER_INT 0x1000 /* internal pacer */ 138cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define PACER_EXT_FALL 0x2000 /* external falling edge */ 139cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define PACER_EXT_RISE 0x3000 /* external rising edge */ 140cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define EOC 0x4000 /* adc not busy */ 141cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton 142cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define TRIG_CONTSTAT 4 /* TRIGGER CONTROL/STATUS register */ 143cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define SW_TRIGGER 0x1 /* software start trigger */ 144cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define EXT_TRIGGER 0x2 /* external start trigger */ 145cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define ANALOG_TRIGGER 0x3 /* external analog trigger */ 146cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define TRIGGER_MASK 0x3 /* mask of bits that determine start trigger */ 147f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost#define TGPOL 0x04 /* invert the edge/level of the external trigger (1602 only) */ 148f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost#define TGSEL 0x08 /* if set edge triggered, otherwise level trigerred (1602 only) */ 149cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define TGEN 0x10 /* enable external start trigger */ 150cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define BURSTE 0x20 /* burst mode enable */ 151cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define XTRCL 0x80 /* clear external trigger */ 152cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton 153cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define CALIBRATION_REG 6 /* CALIBRATION register */ 154cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define SELECT_8800_BIT 0x100 /* select 8800 caldac */ 155cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define SELECT_TRIMPOT_BIT 0x200 /* select ad7376 trim pot */ 156cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define SELECT_DAC08_BIT 0x400 /* select dac08 caldac */ 15759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define CAL_SRC_BITS(x) (((x) & 0x7) << 11) 158cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define CAL_EN_BIT 0x4000 /* read calibration source instead of analog input channel 0 */ 159cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define SERIAL_DATA_IN_BIT 0x8000 /* serial data stream going to 8800 and 7376 */ 16059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 161cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define DAC_CSR 0x8 /* dac control and status register */ 16259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinezenum dac_csr_bits { 163cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton DACEN = 0x2, /* dac enable */ 164cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton DAC_MODE_UPDATE_BOTH = 0x80, /* update both dacs when dac0 is written */ 16559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez}; 16659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinezstatic inline unsigned int DAC_RANGE(unsigned int channel, unsigned int range) 16759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 16859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return (range & 0x3) << (8 + 2 * (channel & 0x1)); 16959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 1700a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral 17159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinezstatic inline unsigned int DAC_RANGE_MASK(unsigned int channel) 17259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 17359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 0x3 << (8 + 2 * (channel & 0x1)); 17459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez}; 17559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 176cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton/* bits for 1602 series only */ 17759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinezenum dac_csr_bits_1602 { 178cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton DAC_EMPTY = 0x1, /* dac fifo empty, read, write clear */ 179cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton DAC_START = 0x4, /* start/arm dac fifo operations */ 180cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton DAC_PACER_MASK = 0x18, /* bits that set dac pacer source */ 181cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton DAC_PACER_INT = 0x8, /* dac internal pacing */ 182cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton DAC_PACER_EXT_FALL = 0x10, /* dac external pacing, falling edge */ 183cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton DAC_PACER_EXT_RISE = 0x18, /* dac external pacing, rising edge */ 18459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez}; 18559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinezstatic inline unsigned int DAC_CHAN_EN(unsigned int channel) 18659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 187cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton return 1 << (5 + (channel & 0x1)); /* enable channel 0 or 1 */ 18859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez}; 18959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 19059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* analog input fifo */ 191cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define ADCDATA 0 /* ADC DATA register */ 192cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define ADCFIFOCLR 2 /* ADC FIFO CLEAR */ 19359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 194cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton/* pacer, counter, dio registers */ 19559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define ADC8254 0 19659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define DIO_8255 4 19759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define DAC8254 8 19859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 199cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton/* analog output registers for 100x, 1200 series */ 20059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinezstatic inline unsigned int DAC_DATA_REG(unsigned int channel) 20159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 20259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 2 * (channel & 0x1); 20359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 20459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 20559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* analog output registers for 1602 series*/ 206cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define DACDATA 0 /* DAC DATA register */ 207cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define DACFIFOCLR 2 /* DAC FIFO CLEAR */ 20859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 209cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton/* bit in hexadecimal representation of range index that indicates unipolar input range */ 21059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define IS_UNIPOLAR 0x4 211cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton/* analog input ranges for most boards */ 2129ced1de69125b60f40127eddaa3be2a92bb0a1dfBill Pembertonstatic const struct comedi_lrange cb_pcidas_ranges = { 21359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 8, 21459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez { 2150a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral BIP_RANGE(10), 2160a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral BIP_RANGE(5), 2170a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral BIP_RANGE(2.5), 2180a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral BIP_RANGE(1.25), 2190a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral UNI_RANGE(10), 2200a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral UNI_RANGE(5), 2210a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral UNI_RANGE(2.5), 2220a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral UNI_RANGE(1.25) 2230a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral } 22459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez}; 22559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 226cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton/* pci-das1001 input ranges */ 2279ced1de69125b60f40127eddaa3be2a92bb0a1dfBill Pembertonstatic const struct comedi_lrange cb_pcidas_alt_ranges = { 22859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 8, 22959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez { 2300a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral BIP_RANGE(10), 2310a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral BIP_RANGE(1), 2320a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral BIP_RANGE(0.1), 2330a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral BIP_RANGE(0.01), 2340a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral UNI_RANGE(10), 2350a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral UNI_RANGE(1), 2360a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral UNI_RANGE(0.1), 2370a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral UNI_RANGE(0.01) 2380a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral } 23959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez}; 24059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 241cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton/* analog output ranges */ 2429ced1de69125b60f40127eddaa3be2a92bb0a1dfBill Pembertonstatic const struct comedi_lrange cb_pcidas_ao_ranges = { 24359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 4, 24459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez { 2450a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral BIP_RANGE(5), 2460a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral BIP_RANGE(10), 2470a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral UNI_RANGE(5), 2480a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral UNI_RANGE(10), 2490a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral } 25059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez}; 25159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 25259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinezenum trimpot_model { 25359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez AD7376, 25459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez AD8402, 25559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez}; 25659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 2575c2670cba2a5fd1a27f938ae11b3a24518d999dbBill Pembertonstruct cb_pcidas_board { 25859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez const char *name; 25959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned short device_id; 260cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton int ai_se_chans; /* Inputs in single-ended mode */ 261cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton int ai_diff_chans; /* Inputs in differential mode */ 262cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton int ai_bits; /* analog input resolution */ 263cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton int ai_speed; /* fastest conversion period in ns */ 264cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton int ao_nchan; /* number of analog out channels */ 265cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton int has_ao_fifo; /* analog output has fifo */ 266cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton int ao_scan_speed; /* analog output speed for 1602 series (for a scan, not conversion) */ 267cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton int fifo_size; /* number of samples fifo can hold */ 2689ced1de69125b60f40127eddaa3be2a92bb0a1dfBill Pemberton const struct comedi_lrange *ranges; 26959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez enum trimpot_model trimpot; 27059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned has_dac08:1; 271f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost unsigned has_ai_trig_gated:1; /* Tells if the AI trigger can be gated */ 272f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost unsigned has_ai_trig_invert:1; /* Tells if the AI trigger can be inverted */ 2735c2670cba2a5fd1a27f938ae11b3a24518d999dbBill Pemberton}; 27459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 2755c2670cba2a5fd1a27f938ae11b3a24518d999dbBill Pembertonstatic const struct cb_pcidas_board cb_pcidas_boards[] = { 27659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez { 2770a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .name = "pci-das1602/16", 2780a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .device_id = 0x1, 2790a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_se_chans = 16, 2800a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_diff_chans = 8, 2810a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_bits = 16, 2820a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_speed = 5000, 2830a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ao_nchan = 2, 2840a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_ao_fifo = 1, 2850a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ao_scan_speed = 10000, 2860a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .fifo_size = 512, 2870a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ranges = &cb_pcidas_ranges, 2880a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .trimpot = AD8402, 2890a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_dac08 = 1, 290f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost .has_ai_trig_gated = 1, 291f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost .has_ai_trig_invert = 1, 2920a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral }, 29359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez { 2940a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .name = "pci-das1200", 2950a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .device_id = 0xF, 2960a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_se_chans = 16, 2970a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_diff_chans = 8, 2980a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_bits = 12, 2990a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_speed = 3200, 3000a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ao_nchan = 2, 3010a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_ao_fifo = 0, 3020a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .fifo_size = 1024, 3030a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ranges = &cb_pcidas_ranges, 3040a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .trimpot = AD7376, 3050a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_dac08 = 0, 306f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost .has_ai_trig_gated = 0, 307f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost .has_ai_trig_invert = 0, 3080a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral }, 30959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez { 3100a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .name = "pci-das1602/12", 3110a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .device_id = 0x10, 3120a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_se_chans = 16, 3130a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_diff_chans = 8, 3140a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_bits = 12, 3150a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_speed = 3200, 3160a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ao_nchan = 2, 3170a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_ao_fifo = 1, 3180a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ao_scan_speed = 4000, 3190a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .fifo_size = 1024, 3200a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ranges = &cb_pcidas_ranges, 3210a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .trimpot = AD7376, 3220a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_dac08 = 0, 323f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost .has_ai_trig_gated = 1, 324f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost .has_ai_trig_invert = 1, 3250a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral }, 32659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez { 3270a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .name = "pci-das1200/jr", 3280a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .device_id = 0x19, 3290a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_se_chans = 16, 3300a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_diff_chans = 8, 3310a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_bits = 12, 3320a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_speed = 3200, 3330a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ao_nchan = 0, 3340a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_ao_fifo = 0, 3350a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .fifo_size = 1024, 3360a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ranges = &cb_pcidas_ranges, 3370a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .trimpot = AD7376, 3380a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_dac08 = 0, 339f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost .has_ai_trig_gated = 0, 340f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost .has_ai_trig_invert = 0, 3410a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral }, 34259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez { 3430a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .name = "pci-das1602/16/jr", 3440a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .device_id = 0x1C, 3450a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_se_chans = 16, 3460a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_diff_chans = 8, 3470a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_bits = 16, 3480a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_speed = 5000, 3490a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ao_nchan = 0, 3500a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_ao_fifo = 0, 3510a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .fifo_size = 512, 3520a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ranges = &cb_pcidas_ranges, 3530a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .trimpot = AD8402, 3540a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_dac08 = 1, 355f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost .has_ai_trig_gated = 1, 356f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost .has_ai_trig_invert = 1, 3570a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral }, 35859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez { 3590a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .name = "pci-das1000", 3600a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .device_id = 0x4C, 3610a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_se_chans = 16, 3620a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_diff_chans = 8, 3630a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_bits = 12, 3640a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_speed = 4000, 3650a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ao_nchan = 0, 3660a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_ao_fifo = 0, 3670a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .fifo_size = 1024, 3680a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ranges = &cb_pcidas_ranges, 3690a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .trimpot = AD7376, 3700a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_dac08 = 0, 371f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost .has_ai_trig_gated = 0, 372f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost .has_ai_trig_invert = 0, 3730a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral }, 37459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez { 3750a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .name = "pci-das1001", 3760a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .device_id = 0x1a, 3770a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_se_chans = 16, 3780a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_diff_chans = 8, 3790a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_bits = 12, 3800a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_speed = 6800, 3810a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ao_nchan = 2, 3820a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_ao_fifo = 0, 3830a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .fifo_size = 1024, 3840a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ranges = &cb_pcidas_alt_ranges, 3850a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .trimpot = AD7376, 3860a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_dac08 = 0, 387f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost .has_ai_trig_gated = 0, 388f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost .has_ai_trig_invert = 0, 3890a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral }, 39059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez { 3910a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .name = "pci-das1002", 3920a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .device_id = 0x1b, 3930a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_se_chans = 16, 3940a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_diff_chans = 8, 3950a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_bits = 12, 3960a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_speed = 6800, 3970a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ao_nchan = 2, 3980a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_ao_fifo = 0, 3990a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .fifo_size = 1024, 4000a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ranges = &cb_pcidas_ranges, 4010a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .trimpot = AD7376, 4020a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_dac08 = 0, 403f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost .has_ai_trig_gated = 0, 404f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost .has_ai_trig_invert = 0, 4050a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral }, 40659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez}; 40759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 40859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinezstatic DEFINE_PCI_DEVICE_TABLE(cb_pcidas_pci_table) = { 40916f08494f4523de348988763b74e5756d482978bJavier Martinez Canillas { PCI_DEVICE(PCI_VENDOR_ID_CB, 0x0001) }, 41016f08494f4523de348988763b74e5756d482978bJavier Martinez Canillas { PCI_DEVICE(PCI_VENDOR_ID_CB, 0x000f) }, 41116f08494f4523de348988763b74e5756d482978bJavier Martinez Canillas { PCI_DEVICE(PCI_VENDOR_ID_CB, 0x0010) }, 41216f08494f4523de348988763b74e5756d482978bJavier Martinez Canillas { PCI_DEVICE(PCI_VENDOR_ID_CB, 0x0019) }, 41316f08494f4523de348988763b74e5756d482978bJavier Martinez Canillas { PCI_DEVICE(PCI_VENDOR_ID_CB, 0x001c) }, 41416f08494f4523de348988763b74e5756d482978bJavier Martinez Canillas { PCI_DEVICE(PCI_VENDOR_ID_CB, 0x004c) }, 41516f08494f4523de348988763b74e5756d482978bJavier Martinez Canillas { PCI_DEVICE(PCI_VENDOR_ID_CB, 0x001a) }, 41616f08494f4523de348988763b74e5756d482978bJavier Martinez Canillas { PCI_DEVICE(PCI_VENDOR_ID_CB, 0x001b) }, 41716f08494f4523de348988763b74e5756d482978bJavier Martinez Canillas { 0 } 41859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez}; 41959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 42059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan MartinezMODULE_DEVICE_TABLE(pci, cb_pcidas_pci_table); 42159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 42259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* 42359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * Useful for shorthand access to the particular board structure 42459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez */ 4255c2670cba2a5fd1a27f938ae11b3a24518d999dbBill Pemberton#define thisboard ((const struct cb_pcidas_board *)dev->board_ptr) 42659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 42759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* this structure is for data unique to this hardware driver. If 42859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez several hardware drivers keep similar information in this structure, 42971b5f4f11971dea972832ad63a994c7e5b45db6bBill Pemberton feel free to suggest moving the variable to the struct comedi_device struct. */ 430c77e25898523395b56e1d120195e1ad2e3efa14dBill Pembertonstruct cb_pcidas_private { 43159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* would be useful for a PCI device */ 43259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez struct pci_dev *pci_dev; 433cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* base addresses */ 43459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned long s5933_config; 43559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned long control_status; 43659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned long adc_fifo; 43759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned long pacer_counter_dio; 43859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned long ao_registers; 439cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* divisors of master clock for analog input pacing */ 44059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int divisor1; 44159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int divisor2; 442cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton volatile unsigned int count; /* number of analog input samples remaining */ 443cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton volatile unsigned int adc_fifo_bits; /* bits to write to interupt/adcfifo register */ 444cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton volatile unsigned int s5933_intcsr_bits; /* bits to write to amcc s5933 interrupt control/status register */ 445cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton volatile unsigned int ao_control_bits; /* bits to write to ao control and status register */ 446790c55415aa31f4c732729f94d2c3a54f7d3bfc2Bill Pemberton short ai_buffer[AI_BUFFER_SIZE]; 447790c55415aa31f4c732729f94d2c3a54f7d3bfc2Bill Pemberton short ao_buffer[AO_BUFFER_SIZE]; 448cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* divisors of master clock for analog output pacing */ 44959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int ao_divisor1; 45059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int ao_divisor2; 451cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton volatile unsigned int ao_count; /* number of analog output samples remaining */ 452cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton int ao_value[2]; /* remember what the analog outputs are set to, to allow readback */ 453cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton unsigned int caldac_value[NUM_CHANNELS_8800]; /* for readback of caldac */ 454cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton unsigned int trimpot_value[NUM_CHANNELS_8402]; /* for readback of trimpot */ 45559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int dac08_value; 45659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int calibration_source; 457c77e25898523395b56e1d120195e1ad2e3efa14dBill Pemberton}; 45859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 45959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* 46059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * most drivers define the following macro to make it easy to 46159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * access the private structure. 46259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez */ 463c77e25898523395b56e1d120195e1ad2e3efa14dBill Pemberton#define devpriv ((struct cb_pcidas_private *)dev->private) 46459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 46559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* 466139dfbdfacb02e3ef3df936d2fabd1ad5f14ea88Bill Pemberton * The struct comedi_driver structure tells the Comedi core module 46759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * which functions to call to configure/deconfigure (attach/detach) 46859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * the board, and also about the kernel module that contains 46959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * the device code. 47059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez */ 4710a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_attach(struct comedi_device *dev, 4720a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_devconfig *it); 473da91b2692e0939b307f9047192d2b9fe07793e7aBill Pembertonstatic int cb_pcidas_detach(struct comedi_device *dev); 474139dfbdfacb02e3ef3df936d2fabd1ad5f14ea88Bill Pembertonstatic struct comedi_driver driver_cb_pcidas = { 47568c3dbff9fc9f25872408d0e95980d41733d48d0Bill Pemberton .driver_name = "cb_pcidas", 47668c3dbff9fc9f25872408d0e95980d41733d48d0Bill Pemberton .module = THIS_MODULE, 47768c3dbff9fc9f25872408d0e95980d41733d48d0Bill Pemberton .attach = cb_pcidas_attach, 47868c3dbff9fc9f25872408d0e95980d41733d48d0Bill Pemberton .detach = cb_pcidas_detach, 47959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez}; 48059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 4810a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ai_rinsn(struct comedi_device *dev, 4820a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 4830a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data); 484814900c904140cfe7f3e48cabec06b3eec57e0eaBill Pembertonstatic int ai_config_insn(struct comedi_device *dev, struct comedi_subdevice *s, 4850a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data); 4860a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ao_nofifo_winsn(struct comedi_device *dev, 4870a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 4880a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, 4890a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral unsigned int *data); 4900a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ao_fifo_winsn(struct comedi_device *dev, 4910a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 4920a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, 4930a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral unsigned int *data); 4940a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ao_readback_insn(struct comedi_device *dev, 4950a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 4960a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, 4970a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral unsigned int *data); 4980a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ai_cmd(struct comedi_device *dev, 4990a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s); 5000a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ai_cmdtest(struct comedi_device *dev, 5010a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 5020a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_cmd *cmd); 5030a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ao_cmd(struct comedi_device *dev, 5040a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s); 505d163679ceec20c50f9aee880fa76c0c1185244a8Bill Pembertonstatic int cb_pcidas_ao_inttrig(struct comedi_device *dev, 506d163679ceec20c50f9aee880fa76c0c1185244a8Bill Pemberton struct comedi_subdevice *subdev, 507d163679ceec20c50f9aee880fa76c0c1185244a8Bill Pemberton unsigned int trig_num); 5080a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ao_cmdtest(struct comedi_device *dev, 5090a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 5100a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_cmd *cmd); 51170265d24e3404fe798b6edd55a02016b1edb49d7Jiri Slabystatic irqreturn_t cb_pcidas_interrupt(int irq, void *d); 512814900c904140cfe7f3e48cabec06b3eec57e0eaBill Pembertonstatic void handle_ao_interrupt(struct comedi_device *dev, unsigned int status); 5130a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_cancel(struct comedi_device *dev, 5140a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s); 5150a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ao_cancel(struct comedi_device *dev, 5160a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s); 517814900c904140cfe7f3e48cabec06b3eec57e0eaBill Pembertonstatic void cb_pcidas_load_counters(struct comedi_device *dev, unsigned int *ns, 5180a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral int round_flags); 5190a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int eeprom_read_insn(struct comedi_device *dev, 5200a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 5210a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data); 5220a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int caldac_read_insn(struct comedi_device *dev, 5230a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 5240a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data); 5250a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int caldac_write_insn(struct comedi_device *dev, 5260a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 5270a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data); 5280a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int trimpot_read_insn(struct comedi_device *dev, 5290a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 5300a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data); 5310a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_trimpot_write(struct comedi_device *dev, 5320a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral unsigned int channel, unsigned int value); 5330a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int trimpot_write_insn(struct comedi_device *dev, 5340a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 5350a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data); 5360a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int dac08_read_insn(struct comedi_device *dev, 5370a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, struct comedi_insn *insn, 5380a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral unsigned int *data); 539814900c904140cfe7f3e48cabec06b3eec57e0eaBill Pembertonstatic int dac08_write(struct comedi_device *dev, unsigned int value); 5400a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int dac08_write_insn(struct comedi_device *dev, 5410a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 5420a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data); 543814900c904140cfe7f3e48cabec06b3eec57e0eaBill Pembertonstatic int caldac_8800_write(struct comedi_device *dev, unsigned int address, 5440a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral uint8_t value); 545814900c904140cfe7f3e48cabec06b3eec57e0eaBill Pembertonstatic int trimpot_7376_write(struct comedi_device *dev, uint8_t value); 546814900c904140cfe7f3e48cabec06b3eec57e0eaBill Pembertonstatic int trimpot_8402_write(struct comedi_device *dev, unsigned int channel, 5470a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral uint8_t value); 548814900c904140cfe7f3e48cabec06b3eec57e0eaBill Pembertonstatic int nvram_read(struct comedi_device *dev, unsigned int address, 5492d238b2972bf365153ae8d699177c7a19a5f3056Andrea Gelmini uint8_t *data); 55059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 551814900c904140cfe7f3e48cabec06b3eec57e0eaBill Pembertonstatic inline unsigned int cal_enable_bits(struct comedi_device *dev) 55259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 55359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return CAL_EN_BIT | CAL_SRC_BITS(devpriv->calibration_source); 55459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 55559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 55659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* 55759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * Attach is called by the Comedi core to configure the driver 55859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * for a particular board. 55959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez */ 5600a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_attach(struct comedi_device *dev, 5610a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_devconfig *it) 56259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 56334c43922e62708d45e9660eee4b4f1fb7b4bf2c7Bill Pemberton struct comedi_subdevice *s; 56420fb2280815510533cbd7785b53821ca7209345bKulikov Vasiliy struct pci_dev *pcidev = NULL; 56559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez int index; 56659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez int i; 56759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 56859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez printk("comedi%d: cb_pcidas: ", dev->minor); 56959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 57059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* 57159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * Allocate the private structure area. 57259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez */ 573c77e25898523395b56e1d120195e1ad2e3efa14dBill Pemberton if (alloc_private(dev, sizeof(struct cb_pcidas_private)) < 0) 57459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -ENOMEM; 57559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 57659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* 57759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * Probe the device to determine what device in the series it is. 57859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez */ 57959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez printk("\n"); 58059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 58120fb2280815510533cbd7785b53821ca7209345bKulikov Vasiliy for_each_pci_dev(pcidev) { 582cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* is it not a computer boards card? */ 58359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (pcidev->vendor != PCI_VENDOR_ID_CB) 58459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez continue; 585cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* loop through cards supported by this driver */ 5868629efa4cbf6f89a54a85af4b8bc31762af01800Bill Pemberton for (index = 0; index < ARRAY_SIZE(cb_pcidas_boards); index++) { 58759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cb_pcidas_boards[index].device_id != pcidev->device) 58859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez continue; 589cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* was a particular bus/slot requested? */ 59059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (it->options[0] || it->options[1]) { 591cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* are we on the wrong bus/slot? */ 59259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (pcidev->bus->number != it->options[0] || 5930a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral PCI_SLOT(pcidev->devfn) != it->options[1]) { 59459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez continue; 59559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 59659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 59759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->pci_dev = pcidev; 59859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez dev->board_ptr = cb_pcidas_boards + index; 59959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez goto found; 60059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 60159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 60259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 60359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez printk("No supported ComputerBoards/MeasurementComputing card found on " 6040a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral "requested position\n"); 60559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -EIO; 60659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 6070a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralfound: 60859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 60959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez printk("Found %s on bus %i, slot %i\n", cb_pcidas_boards[index].name, 6100a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral pcidev->bus->number, PCI_SLOT(pcidev->devfn)); 61159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 61259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* 61359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * Enable PCI device and reserve I/O ports. 61459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez */ 61559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (comedi_pci_enable(pcidev, "cb_pcidas")) { 61659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez printk(" Failed to enable PCI device and request regions\n"); 61759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -EIO; 61859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 61959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* 62059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * Initialize devpriv->control_status and devpriv->adc_fifo to point to 62159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * their base address. 62259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez */ 62359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->s5933_config = 6240a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral pci_resource_start(devpriv->pci_dev, S5933_BADRINDEX); 62559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->control_status = 6260a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral pci_resource_start(devpriv->pci_dev, CONT_STAT_BADRINDEX); 62759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->adc_fifo = 6280a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral pci_resource_start(devpriv->pci_dev, ADC_FIFO_BADRINDEX); 62959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->pacer_counter_dio = 6300a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral pci_resource_start(devpriv->pci_dev, PACER_BADRINDEX); 63159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (thisboard->ao_nchan) { 63259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_registers = 6330a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral pci_resource_start(devpriv->pci_dev, AO_BADRINDEX); 63459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 635cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* disable and clear interrupts on amcc s5933 */ 63659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outl(INTCSR_INBOX_INTR_STATUS, 6370a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->s5933_config + AMCC_OP_REG_INTCSR); 63859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 639cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* get irq */ 6405f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman if (request_irq(devpriv->pci_dev->irq, cb_pcidas_interrupt, 64159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez IRQF_SHARED, "cb_pcidas", dev)) { 64259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez printk(" unable to allocate irq %d\n", devpriv->pci_dev->irq); 64359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -EINVAL; 64459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 64559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez dev->irq = devpriv->pci_dev->irq; 64659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 647cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* Initialize dev->board_name */ 64859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez dev->board_name = thisboard->name; 64959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 65059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* 65159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * Allocate the subdevice structures. 65259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez */ 65359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (alloc_subdevices(dev, 7) < 0) 65459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -ENOMEM; 65559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 65659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s = dev->subdevices + 0; 65759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* analog input subdevice */ 65859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez dev->read_subdev = s; 65959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->type = COMEDI_SUBD_AI; 66059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_DIFF | SDF_CMD_READ; 66159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* WARNING: Number of inputs in differential mode is ignored */ 66259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->n_chan = thisboard->ai_se_chans; 66359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->len_chanlist = thisboard->ai_se_chans; 66459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->maxdata = (1 << thisboard->ai_bits) - 1; 66559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->range_table = thisboard->ranges; 66659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->insn_read = cb_pcidas_ai_rinsn; 66759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->insn_config = ai_config_insn; 66859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->do_cmd = cb_pcidas_ai_cmd; 66959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->do_cmdtest = cb_pcidas_ai_cmdtest; 67059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->cancel = cb_pcidas_cancel; 67159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 67259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* analog output subdevice */ 67359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s = dev->subdevices + 1; 67459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (thisboard->ao_nchan) { 67559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->type = COMEDI_SUBD_AO; 67659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_GROUND; 67759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->n_chan = thisboard->ao_nchan; 678cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* analog out resolution is the same as analog input resolution, so use ai_bits */ 67959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->maxdata = (1 << thisboard->ai_bits) - 1; 68059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->range_table = &cb_pcidas_ao_ranges; 68159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->insn_read = cb_pcidas_ao_readback_insn; 68259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (thisboard->has_ao_fifo) { 68359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez dev->write_subdev = s; 68459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->subdev_flags |= SDF_CMD_WRITE; 68559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->insn_write = cb_pcidas_ao_fifo_winsn; 68659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->do_cmdtest = cb_pcidas_ao_cmdtest; 68759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->do_cmd = cb_pcidas_ao_cmd; 68859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->cancel = cb_pcidas_ao_cancel; 68959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } else { 69059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->insn_write = cb_pcidas_ao_nofifo_winsn; 69159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 69259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } else { 69359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->type = COMEDI_SUBD_UNUSED; 69459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 69559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 69659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* 8255 */ 69759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s = dev->subdevices + 2; 69859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez subdev_8255_init(dev, s, NULL, devpriv->pacer_counter_dio + DIO_8255); 69959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 700cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* serial EEPROM, */ 70159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s = dev->subdevices + 3; 70259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->type = COMEDI_SUBD_MEMORY; 70359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->subdev_flags = SDF_READABLE | SDF_INTERNAL; 70459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->n_chan = 256; 70559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->maxdata = 0xff; 70659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->insn_read = eeprom_read_insn; 70759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 708cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* 8800 caldac */ 70959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s = dev->subdevices + 4; 71059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->type = COMEDI_SUBD_CALIB; 71159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_INTERNAL; 71259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->n_chan = NUM_CHANNELS_8800; 71359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->maxdata = 0xff; 71459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->insn_read = caldac_read_insn; 71559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->insn_write = caldac_write_insn; 71659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez for (i = 0; i < s->n_chan; i++) 71759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez caldac_8800_write(dev, i, s->maxdata / 2); 71859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 719cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* trim potentiometer */ 72059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s = dev->subdevices + 5; 72159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->type = COMEDI_SUBD_CALIB; 72259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_INTERNAL; 72359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (thisboard->trimpot == AD7376) { 72459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->n_chan = NUM_CHANNELS_7376; 72559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->maxdata = 0x7f; 72659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } else { 72759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->n_chan = NUM_CHANNELS_8402; 72859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->maxdata = 0xff; 72959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 73059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->insn_read = trimpot_read_insn; 73159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->insn_write = trimpot_write_insn; 73259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez for (i = 0; i < s->n_chan; i++) 73359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cb_pcidas_trimpot_write(dev, i, s->maxdata / 2); 73459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 735cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* dac08 caldac */ 73659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s = dev->subdevices + 6; 73759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (thisboard->has_dac08) { 73859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->type = COMEDI_SUBD_CALIB; 73959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_INTERNAL; 74059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->n_chan = NUM_CHANNELS_DAC08; 74159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->insn_read = dac08_read_insn; 74259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->insn_write = dac08_write_insn; 74359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->maxdata = 0xff; 74459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez dac08_write(dev, s->maxdata / 2); 74559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } else 74659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->type = COMEDI_SUBD_UNUSED; 74759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 748cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* make sure mailbox 4 is empty */ 74959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez inl(devpriv->s5933_config + AMCC_OP_REG_IMB4); 75059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* Set bits to enable incoming mailbox interrupts on amcc s5933. */ 75159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->s5933_intcsr_bits = 7520a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral INTCSR_INBOX_BYTE(3) | INTCSR_INBOX_SELECT(3) | 7530a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral INTCSR_INBOX_FULL_INT; 754cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* clear and enable interrupt on amcc s5933 */ 75559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outl(devpriv->s5933_intcsr_bits | INTCSR_INBOX_INTR_STATUS, 7560a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->s5933_config + AMCC_OP_REG_INTCSR); 75759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 75859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 75959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 76059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 76159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* 76259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * cb_pcidas_detach is called to deconfigure a device. It should deallocate 76359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * resources. 76459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * This function is also called when _attach() fails, so it should be 76559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * careful not to release resources that were not necessarily 76659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * allocated by _attach(). dev->private and dev->subdevices are 76759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * deallocated automatically by the core. 76859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez */ 769da91b2692e0939b307f9047192d2b9fe07793e7aBill Pembertonstatic int cb_pcidas_detach(struct comedi_device *dev) 77059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 77159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez printk("comedi%d: cb_pcidas: remove\n", dev->minor); 77259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 77359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (devpriv) { 77459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (devpriv->s5933_config) { 775cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* disable and clear interrupts on amcc s5933 */ 77659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outl(INTCSR_INBOX_INTR_STATUS, 7770a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->s5933_config + AMCC_OP_REG_INTCSR); 77859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#ifdef CB_PCIDAS_DEBUG 7795f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman printk("detaching, incsr is 0x%x\n", 7800a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral inl(devpriv->s5933_config + AMCC_OP_REG_INTCSR)); 78159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#endif 78259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 78359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 78459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (dev->irq) 7855f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman free_irq(dev->irq, dev); 78659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (dev->subdevices) 78759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez subdev_8255_cleanup(dev, dev->subdevices + 2); 78859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (devpriv && devpriv->pci_dev) { 7892d238b2972bf365153ae8d699177c7a19a5f3056Andrea Gelmini if (devpriv->s5933_config) 79059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez comedi_pci_disable(devpriv->pci_dev); 79159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez pci_dev_put(devpriv->pci_dev); 79259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 79359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 79459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 0; 79559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 79659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 79759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* 79859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * "instructions" read/write data in "one-shot" or "software-triggered" 79959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * mode. 80059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez */ 8010a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ai_rinsn(struct comedi_device *dev, 8020a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 8030a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data) 80459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 80559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez int n, i; 80659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int bits; 80759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez static const int timeout = 10000; 80859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez int channel; 809cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* enable calibration input if appropriate */ 81059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (insn->chanspec & CR_ALT_SOURCE) { 81159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(cal_enable_bits(dev), 8120a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->control_status + CALIBRATION_REG); 81359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez channel = 0; 81459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } else { 81559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(0, devpriv->control_status + CALIBRATION_REG); 81659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez channel = CR_CHAN(insn->chanspec); 81759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 818cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* set mux limits and gain */ 81959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez bits = BEGIN_SCAN(channel) | 8200a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral END_SCAN(channel) | GAIN_BITS(CR_RANGE(insn->chanspec)); 821cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* set unipolar/bipolar */ 82259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (CR_RANGE(insn->chanspec) & IS_UNIPOLAR) 82359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez bits |= UNIP; 824cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* set singleended/differential */ 82559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (CR_AREF(insn->chanspec) != AREF_DIFF) 82659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez bits |= SE; 82759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(bits, devpriv->control_status + ADCMUX_CONT); 82859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 82959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* clear fifo */ 83059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(0, devpriv->adc_fifo + ADCFIFOCLR); 83159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 83259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* convert n samples */ 83359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez for (n = 0; n < insn->n; n++) { 83459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* trigger conversion */ 83559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(0, devpriv->adc_fifo + ADCDATA); 83659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 83759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* wait for conversion to end */ 83859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* return -ETIMEDOUT if there is a timeout */ 83959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez for (i = 0; i < timeout; i++) { 84059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (inw(devpriv->control_status + ADCMUX_CONT) & EOC) 84159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez break; 84259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 84359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (i == timeout) 84459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -ETIMEDOUT; 84559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 84659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* read data */ 84759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez data[n] = inw(devpriv->adc_fifo + ADCDATA); 84859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 84959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 85059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* return the number of samples read/written */ 85159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return n; 85259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 85359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 8540a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int ai_config_calibration_source(struct comedi_device *dev, 8550a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral unsigned int *data) 85659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 85759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez static const int num_calibration_sources = 8; 858790c55415aa31f4c732729f94d2c3a54f7d3bfc2Bill Pemberton unsigned int source = data[1]; 85959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 86059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (source >= num_calibration_sources) { 86159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez printk("invalid calibration source: %i\n", source); 86259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -EINVAL; 86359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 86459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 86559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->calibration_source = source; 86659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 86759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 2; 86859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 86959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 870da91b2692e0939b307f9047192d2b9fe07793e7aBill Pembertonstatic int ai_config_insn(struct comedi_device *dev, struct comedi_subdevice *s, 8710a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data) 87259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 87359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez int id = data[0]; 87459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 87559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez switch (id) { 87659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez case INSN_CONFIG_ALT_SOURCE: 87759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return ai_config_calibration_source(dev, data); 87859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez break; 87959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez default: 88059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -EINVAL; 88159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez break; 88259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 88359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -EINVAL; 88459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 88559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 886cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton/* analog output insn for pcidas-1000 and 1200 series */ 8870a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ao_nofifo_winsn(struct comedi_device *dev, 8880a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 8890a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, 8900a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral unsigned int *data) 89159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 89259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez int channel; 89359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned long flags; 89459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 895cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* set channel and range */ 89659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez channel = CR_CHAN(insn->chanspec); 8975f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_lock_irqsave(&dev->spinlock, flags); 89859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_control_bits &= 8990a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral ~DAC_MODE_UPDATE_BOTH & ~DAC_RANGE_MASK(channel); 90059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_control_bits |= 9010a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral DACEN | DAC_RANGE(channel, CR_RANGE(insn->chanspec)); 90259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(devpriv->ao_control_bits, devpriv->control_status + DAC_CSR); 9035f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_unlock_irqrestore(&dev->spinlock, flags); 90459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 905cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* remember value for readback */ 90659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_value[channel] = data[0]; 907cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* send data */ 90859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(data[0], devpriv->ao_registers + DAC_DATA_REG(channel)); 90959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 91059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 91159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 91259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 913cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton/* analog output insn for pcidas-1602 series */ 9140a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ao_fifo_winsn(struct comedi_device *dev, 9150a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 9160a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data) 91759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 91859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez int channel; 91959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned long flags; 92059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 921cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* clear dac fifo */ 92259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(0, devpriv->ao_registers + DACFIFOCLR); 92359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 924cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* set channel and range */ 92559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez channel = CR_CHAN(insn->chanspec); 9265f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_lock_irqsave(&dev->spinlock, flags); 92759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_control_bits &= 9280a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral ~DAC_CHAN_EN(0) & ~DAC_CHAN_EN(1) & ~DAC_RANGE_MASK(channel) & 9290a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral ~DAC_PACER_MASK; 93059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_control_bits |= 9310a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral DACEN | DAC_RANGE(channel, 9320a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral CR_RANGE(insn-> 9330a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral chanspec)) | DAC_CHAN_EN(channel) | 9340a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral DAC_START; 93559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(devpriv->ao_control_bits, devpriv->control_status + DAC_CSR); 9365f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_unlock_irqrestore(&dev->spinlock, flags); 93759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 938cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* remember value for readback */ 93959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_value[channel] = data[0]; 940cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* send data */ 94159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(data[0], devpriv->ao_registers + DACDATA); 94259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 94359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 94459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 94559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 946cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton/* analog output readback insn */ 947cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton/* XXX loses track of analog output value back after an analog ouput command is executed */ 9480a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ao_readback_insn(struct comedi_device *dev, 9490a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 9500a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, 9510a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral unsigned int *data) 95259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 95359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez data[0] = devpriv->ao_value[CR_CHAN(insn->chanspec)]; 95459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 95559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 95659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 95759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 9580a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int eeprom_read_insn(struct comedi_device *dev, 9590a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 9600a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data) 96159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 96259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez uint8_t nvram_data; 96359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez int retval; 96459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 96559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez retval = nvram_read(dev, CR_CHAN(insn->chanspec), &nvram_data); 96659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (retval < 0) 96759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return retval; 96859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 96959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez data[0] = nvram_data; 97059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 97159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 97259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 97359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 9740a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int caldac_write_insn(struct comedi_device *dev, 9750a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 9760a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data) 97759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 97859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez const unsigned int channel = CR_CHAN(insn->chanspec); 97959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 98059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return caldac_8800_write(dev, channel, data[0]); 98159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 98259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 9830a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int caldac_read_insn(struct comedi_device *dev, 9840a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 9850a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data) 98659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 98759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez data[0] = devpriv->caldac_value[CR_CHAN(insn->chanspec)]; 98859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 98959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 99059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 99159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 99259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* 1602/16 pregain offset */ 993da91b2692e0939b307f9047192d2b9fe07793e7aBill Pembertonstatic int dac08_write(struct comedi_device *dev, unsigned int value) 99459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 99559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (devpriv->dac08_value == value) 99659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 99759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 99859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->dac08_value = value; 99959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 100059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(cal_enable_bits(dev) | (value & 0xff), 10010a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->control_status + CALIBRATION_REG); 10025f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman udelay(1); 100359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(cal_enable_bits(dev) | SELECT_DAC08_BIT | (value & 0xff), 10040a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->control_status + CALIBRATION_REG); 10055f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman udelay(1); 100659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(cal_enable_bits(dev) | (value & 0xff), 10070a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->control_status + CALIBRATION_REG); 10085f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman udelay(1); 100959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 101059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 101159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 101259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 10130a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int dac08_write_insn(struct comedi_device *dev, 10140a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 10150a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data) 101659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 101759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return dac08_write(dev, data[0]); 101859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 101959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 10200a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int dac08_read_insn(struct comedi_device *dev, 10210a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, struct comedi_insn *insn, 10220a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral unsigned int *data) 102359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 102459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez data[0] = devpriv->dac08_value; 102559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 102659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 102759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 102859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1029da91b2692e0939b307f9047192d2b9fe07793e7aBill Pembertonstatic int cb_pcidas_trimpot_write(struct comedi_device *dev, 10300a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral unsigned int channel, unsigned int value) 103159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 103259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (devpriv->trimpot_value[channel] == value) 103359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 103459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 103559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->trimpot_value[channel] = value; 103659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez switch (thisboard->trimpot) { 103759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez case AD7376: 103859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez trimpot_7376_write(dev, value); 103959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez break; 104059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez case AD8402: 104159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez trimpot_8402_write(dev, channel, value); 104259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez break; 104359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez default: 104459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez comedi_error(dev, "driver bug?"); 104559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -1; 104659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez break; 104759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 104859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 104959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 105059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 105159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 10520a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int trimpot_write_insn(struct comedi_device *dev, 10530a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 10540a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data) 105559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 105659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int channel = CR_CHAN(insn->chanspec); 105759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 105859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return cb_pcidas_trimpot_write(dev, channel, data[0]); 105959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 106059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 10610a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int trimpot_read_insn(struct comedi_device *dev, 10620a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 10630a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data) 106459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 106559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int channel = CR_CHAN(insn->chanspec); 106659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 106759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez data[0] = devpriv->trimpot_value[channel]; 106859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 106959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 107059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 107159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 10720a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ai_cmdtest(struct comedi_device *dev, 10730a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 10740a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_cmd *cmd) 107559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 107659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez int err = 0; 107759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez int tmp; 107859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez int i, gain, start_chan; 107959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 108059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* cmdtest tests a particular command to see if it is valid. 108159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * Using the cmdtest ioctl, a user can create a valid cmd 108259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * and then have it executes by the cmd ioctl. 108359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * 108459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * cmdtest returns 1,2,3,4 or 0, depending on which tests 108559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * the command passes. */ 108659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 108759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* step 1: make sure trigger sources are trivially valid */ 108859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 108959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez tmp = cmd->start_src; 109059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->start_src &= TRIG_NOW | TRIG_EXT; 109159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (!cmd->start_src || tmp != cmd->start_src) 109259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 109359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 109459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez tmp = cmd->scan_begin_src; 109559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->scan_begin_src &= TRIG_FOLLOW | TRIG_TIMER | TRIG_EXT; 109659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (!cmd->scan_begin_src || tmp != cmd->scan_begin_src) 109759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 109859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 109959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez tmp = cmd->convert_src; 110059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->convert_src &= TRIG_TIMER | TRIG_NOW | TRIG_EXT; 110159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (!cmd->convert_src || tmp != cmd->convert_src) 110259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 110359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 110459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez tmp = cmd->scan_end_src; 110559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->scan_end_src &= TRIG_COUNT; 110659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (!cmd->scan_end_src || tmp != cmd->scan_end_src) 110759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 110859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 110959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez tmp = cmd->stop_src; 111059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->stop_src &= TRIG_COUNT | TRIG_NONE; 111159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (!cmd->stop_src || tmp != cmd->stop_src) 111259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 111359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 111459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (err) 111559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 111659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 111759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* step 2: make sure trigger sources are unique and mutually compatible */ 111859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 111959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->start_src != TRIG_NOW && cmd->start_src != TRIG_EXT) 112059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 112159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->scan_begin_src != TRIG_FOLLOW && 11220a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral cmd->scan_begin_src != TRIG_TIMER && 11230a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral cmd->scan_begin_src != TRIG_EXT) 112459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 112559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->convert_src != TRIG_TIMER && 11260a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral cmd->convert_src != TRIG_EXT && cmd->convert_src != TRIG_NOW) 112759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 112859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->stop_src != TRIG_COUNT && cmd->stop_src != TRIG_NONE) 112959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 113059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1131cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* make sure trigger sources are compatible with each other */ 113259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->scan_begin_src == TRIG_FOLLOW && cmd->convert_src == TRIG_NOW) 113359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 113459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->scan_begin_src != TRIG_FOLLOW && cmd->convert_src != TRIG_NOW) 113559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 113659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->start_src == TRIG_EXT && 11370a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral (cmd->convert_src == TRIG_EXT || cmd->scan_begin_src == TRIG_EXT)) 113859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 113959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 114059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (err) 114159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 2; 114259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 114359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* step 3: make sure arguments are trivially compatible */ 114459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1145f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost switch (cmd->start_src) { 1146f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost case TRIG_EXT: 1147f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost /* External trigger, only CR_EDGE and CR_INVERT flags allowed */ 1148f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost if ((cmd->start_arg 1149f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost & (CR_FLAGS_MASK & ~(CR_EDGE | CR_INVERT))) != 0) { 1150f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost cmd->start_arg &= 1151f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost ~(CR_FLAGS_MASK & ~(CR_EDGE | CR_INVERT)); 1152f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost err++; 1153f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost } 1154f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost if (!thisboard->has_ai_trig_invert && 1155f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost (cmd->start_arg & CR_INVERT)) { 1156f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost cmd->start_arg &= (CR_FLAGS_MASK & ~CR_INVERT); 1157f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost err++; 1158f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost } 1159f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost break; 1160f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost default: 1161f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost if (cmd->start_arg != 0) { 1162f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost cmd->start_arg = 0; 1163f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost err++; 1164f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost } 1165f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost break; 116659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 116759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 116859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->scan_begin_src == TRIG_TIMER) { 116959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->scan_begin_arg < 11700a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral thisboard->ai_speed * cmd->chanlist_len) { 117159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->scan_begin_arg = 11720a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral thisboard->ai_speed * cmd->chanlist_len; 117359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 117459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 117559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 117659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->convert_src == TRIG_TIMER) { 117759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->convert_arg < thisboard->ai_speed) { 117859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->convert_arg = thisboard->ai_speed; 117959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 118059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 118159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 118259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 118359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->scan_end_arg != cmd->chanlist_len) { 118459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->scan_end_arg = cmd->chanlist_len; 118559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 118659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 118759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->stop_src == TRIG_NONE) { 118859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* TRIG_NONE */ 118959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->stop_arg != 0) { 119059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->stop_arg = 0; 119159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 119259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 119359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 119459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 119559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (err) 119659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 3; 119759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 119859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* step 4: fix up any arguments */ 119959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 120059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->scan_begin_src == TRIG_TIMER) { 120159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez tmp = cmd->scan_begin_arg; 120259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez i8253_cascade_ns_to_timer_2div(TIMER_BASE, 12030a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral &(devpriv->divisor1), 12040a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral &(devpriv->divisor2), 12050a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral &(cmd->scan_begin_arg), 12060a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral cmd->flags & TRIG_ROUND_MASK); 120759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (tmp != cmd->scan_begin_arg) 120859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 120959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 121059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->convert_src == TRIG_TIMER) { 121159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez tmp = cmd->convert_arg; 121259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez i8253_cascade_ns_to_timer_2div(TIMER_BASE, 12130a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral &(devpriv->divisor1), 12140a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral &(devpriv->divisor2), 12150a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral &(cmd->convert_arg), 12160a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral cmd->flags & TRIG_ROUND_MASK); 121759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (tmp != cmd->convert_arg) 121859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 121959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 122059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 122159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (err) 122259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 4; 122359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1224cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* check channel/gain list against card's limitations */ 122559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->chanlist) { 122659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez gain = CR_RANGE(cmd->chanlist[0]); 122759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez start_chan = CR_CHAN(cmd->chanlist[0]); 122859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez for (i = 1; i < cmd->chanlist_len; i++) { 122959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (CR_CHAN(cmd->chanlist[i]) != 12300a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral (start_chan + i) % s->n_chan) { 123159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez comedi_error(dev, 12320a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral "entries in chanlist must be consecutive channels, counting upwards\n"); 123359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 123459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 123559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (CR_RANGE(cmd->chanlist[i]) != gain) { 123659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez comedi_error(dev, 12370a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral "entries in chanlist must all have the same gain\n"); 123859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 123959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 124059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 124159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 124259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 124359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (err) 124459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 5; 124559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 124659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 0; 124759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 124859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 12490a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ai_cmd(struct comedi_device *dev, 12500a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s) 125159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 1252d163679ceec20c50f9aee880fa76c0c1185244a8Bill Pemberton struct comedi_async *async = s->async; 1253ea6d0d4cab4f4f2d6a88f3bce4707fe92696fd3fBill Pemberton struct comedi_cmd *cmd = &async->cmd; 125459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int bits; 125559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned long flags; 125659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1257cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* make sure CAL_EN_BIT is disabled */ 125859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(0, devpriv->control_status + CALIBRATION_REG); 1259cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* initialize before settings pacer source and count values */ 126059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(0, devpriv->control_status + TRIG_CONTSTAT); 1261cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* clear fifo */ 126259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(0, devpriv->adc_fifo + ADCFIFOCLR); 126359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1264cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* set mux limits, gain and pacer source */ 126559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez bits = BEGIN_SCAN(CR_CHAN(cmd->chanlist[0])) | 12660a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral END_SCAN(CR_CHAN(cmd->chanlist[cmd->chanlist_len - 1])) | 12670a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral GAIN_BITS(CR_RANGE(cmd->chanlist[0])); 1268cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* set unipolar/bipolar */ 126959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (CR_RANGE(cmd->chanlist[0]) & IS_UNIPOLAR) 127059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez bits |= UNIP; 1271cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* set singleended/differential */ 127259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (CR_AREF(cmd->chanlist[0]) != AREF_DIFF) 127359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez bits |= SE; 1274cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* set pacer source */ 127559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->convert_src == TRIG_EXT || cmd->scan_begin_src == TRIG_EXT) 127659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez bits |= PACER_EXT_RISE; 127759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez else 127859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez bits |= PACER_INT; 127959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(bits, devpriv->control_status + ADCMUX_CONT); 128059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 128159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#ifdef CB_PCIDAS_DEBUG 12825f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman printk("comedi: sent 0x%x to adcmux control\n", bits); 128359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#endif 128459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1285cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* load counters */ 128659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->convert_src == TRIG_TIMER) 128759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cb_pcidas_load_counters(dev, &cmd->convert_arg, 12880a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral cmd->flags & TRIG_ROUND_MASK); 128959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez else if (cmd->scan_begin_src == TRIG_TIMER) 129059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cb_pcidas_load_counters(dev, &cmd->scan_begin_arg, 12910a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral cmd->flags & TRIG_ROUND_MASK); 129259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1293cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* set number of conversions */ 12942d238b2972bf365153ae8d699177c7a19a5f3056Andrea Gelmini if (cmd->stop_src == TRIG_COUNT) 129559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->count = cmd->chanlist_len * cmd->stop_arg; 1296cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* enable interrupts */ 12975f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_lock_irqsave(&dev->spinlock, flags); 129859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->adc_fifo_bits |= INTE; 129959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->adc_fifo_bits &= ~INT_MASK; 130059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->flags & TRIG_WAKE_EOS) { 130159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->convert_src == TRIG_NOW && cmd->chanlist_len > 1) 1302cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton devpriv->adc_fifo_bits |= INT_EOS; /* interrupt end of burst */ 130359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez else 1304cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton devpriv->adc_fifo_bits |= INT_FNE; /* interrupt fifo not empty */ 130559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } else { 1306cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton devpriv->adc_fifo_bits |= INT_FHF; /* interrupt fifo half full */ 130759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 130859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#ifdef CB_PCIDAS_DEBUG 13095f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman printk("comedi: adc_fifo_bits are 0x%x\n", devpriv->adc_fifo_bits); 131059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#endif 1311cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* enable (and clear) interrupts */ 131259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(devpriv->adc_fifo_bits | EOAI | INT | LADFUL, 13130a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->control_status + INT_ADCFIFO); 13145f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_unlock_irqrestore(&dev->spinlock, flags); 131559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1316cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* set start trigger and burst mode */ 131759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez bits = 0; 131859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->start_src == TRIG_NOW) 131959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez bits |= SW_TRIGGER; 1320f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost else if (cmd->start_src == TRIG_EXT) { 132159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez bits |= EXT_TRIGGER | TGEN | XTRCL; 1322f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost if (thisboard->has_ai_trig_invert 1323f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost && (cmd->start_arg & CR_INVERT)) 1324f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost bits |= TGPOL; 1325f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost if (thisboard->has_ai_trig_gated && (cmd->start_arg & CR_EDGE)) 1326f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost bits |= TGSEL; 1327f1bc434398e8cf400374911357e89a13de366ce7Brice Dubost } else { 132859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez comedi_error(dev, "bug!"); 132959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -1; 133059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 133159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->convert_src == TRIG_NOW && cmd->chanlist_len > 1) 133259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez bits |= BURSTE; 133359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(bits, devpriv->control_status + TRIG_CONTSTAT); 133459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#ifdef CB_PCIDAS_DEBUG 13355f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman printk("comedi: sent 0x%x to trig control\n", bits); 133659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#endif 133759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 133859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 0; 133959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 134059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 13410a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ao_cmdtest(struct comedi_device *dev, 13420a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 13430a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_cmd *cmd) 134459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 134559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez int err = 0; 134659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez int tmp; 134759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 134859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* cmdtest tests a particular command to see if it is valid. 134959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * Using the cmdtest ioctl, a user can create a valid cmd 135059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * and then have it executes by the cmd ioctl. 135159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * 135259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * cmdtest returns 1,2,3,4 or 0, depending on which tests 135359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * the command passes. */ 135459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 135559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* step 1: make sure trigger sources are trivially valid */ 135659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 135759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez tmp = cmd->start_src; 135859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->start_src &= TRIG_INT; 135959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (!cmd->start_src || tmp != cmd->start_src) 136059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 136159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 136259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez tmp = cmd->scan_begin_src; 136359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->scan_begin_src &= TRIG_TIMER | TRIG_EXT; 136459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (!cmd->scan_begin_src || tmp != cmd->scan_begin_src) 136559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 136659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 136759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez tmp = cmd->convert_src; 136859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->convert_src &= TRIG_NOW; 136959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (!cmd->convert_src || tmp != cmd->convert_src) 137059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 137159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 137259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez tmp = cmd->scan_end_src; 137359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->scan_end_src &= TRIG_COUNT; 137459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (!cmd->scan_end_src || tmp != cmd->scan_end_src) 137559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 137659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 137759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez tmp = cmd->stop_src; 137859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->stop_src &= TRIG_COUNT | TRIG_NONE; 137959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (!cmd->stop_src || tmp != cmd->stop_src) 138059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 138159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 138259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (err) 138359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 138459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 138559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* step 2: make sure trigger sources are unique and mutually compatible */ 138659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 138759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->scan_begin_src != TRIG_TIMER && 13880a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral cmd->scan_begin_src != TRIG_EXT) 138959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 139059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->stop_src != TRIG_COUNT && cmd->stop_src != TRIG_NONE) 139159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 139259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 139359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (err) 139459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 2; 139559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 139659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* step 3: make sure arguments are trivially compatible */ 139759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 139859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->start_arg != 0) { 139959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->start_arg = 0; 140059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 140159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 140259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 140359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->scan_begin_src == TRIG_TIMER) { 140459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->scan_begin_arg < thisboard->ao_scan_speed) { 140559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->scan_begin_arg = thisboard->ao_scan_speed; 140659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 140759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 140859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 140959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 141059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->scan_end_arg != cmd->chanlist_len) { 141159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->scan_end_arg = cmd->chanlist_len; 141259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 141359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 141459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->stop_src == TRIG_NONE) { 141559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* TRIG_NONE */ 141659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->stop_arg != 0) { 141759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->stop_arg = 0; 141859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 141959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 142059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 142159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 142259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (err) 142359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 3; 142459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 142559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* step 4: fix up any arguments */ 142659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 142759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->scan_begin_src == TRIG_TIMER) { 142859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez tmp = cmd->scan_begin_arg; 142959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez i8253_cascade_ns_to_timer_2div(TIMER_BASE, 14300a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral &(devpriv->ao_divisor1), 14310a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral &(devpriv->ao_divisor2), 14320a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral &(cmd->scan_begin_arg), 14330a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral cmd->flags & TRIG_ROUND_MASK); 143459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (tmp != cmd->scan_begin_arg) 143559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 143659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 143759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 143859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (err) 143959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 4; 144059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1441cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* check channel/gain list against card's limitations */ 144259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->chanlist && cmd->chanlist_len > 1) { 144359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (CR_CHAN(cmd->chanlist[0]) != 0 || 14440a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral CR_CHAN(cmd->chanlist[1]) != 1) { 144559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez comedi_error(dev, 14460a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral "channels must be ordered channel 0, channel 1 in chanlist\n"); 144759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 144859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 144959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 145059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 145159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (err) 145259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 5; 145359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 145459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 0; 145559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 145659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 14570a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ao_cmd(struct comedi_device *dev, 14580a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s) 145959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 1460d163679ceec20c50f9aee880fa76c0c1185244a8Bill Pemberton struct comedi_async *async = s->async; 1461ea6d0d4cab4f4f2d6a88f3bce4707fe92696fd3fBill Pemberton struct comedi_cmd *cmd = &async->cmd; 146259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int i; 146359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned long flags; 146459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1465cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* set channel limits, gain */ 14665f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_lock_irqsave(&dev->spinlock, flags); 146759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez for (i = 0; i < cmd->chanlist_len; i++) { 1468cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* enable channel */ 146959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_control_bits |= 14700a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral DAC_CHAN_EN(CR_CHAN(cmd->chanlist[i])); 1471cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* set range */ 147259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_control_bits |= DAC_RANGE(CR_CHAN(cmd->chanlist[i]), 14730a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral CR_RANGE(cmd-> 14740a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral chanlist[i])); 147559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 147659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1477cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* disable analog out before settings pacer source and count values */ 147859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(devpriv->ao_control_bits, devpriv->control_status + DAC_CSR); 14795f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_unlock_irqrestore(&dev->spinlock, flags); 148059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1481cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* clear fifo */ 148259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(0, devpriv->ao_registers + DACFIFOCLR); 148359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1484cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* load counters */ 148559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->scan_begin_src == TRIG_TIMER) { 148659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez i8253_cascade_ns_to_timer_2div(TIMER_BASE, 14870a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral &(devpriv->ao_divisor1), 14880a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral &(devpriv->ao_divisor2), 14890a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral &(cmd->scan_begin_arg), 14900a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral cmd->flags); 149159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 149259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* Write the values of ctr1 and ctr2 into counters 1 and 2 */ 149359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez i8254_load(devpriv->pacer_counter_dio + DAC8254, 0, 1, 14940a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->ao_divisor1, 2); 149559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez i8254_load(devpriv->pacer_counter_dio + DAC8254, 0, 2, 14960a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->ao_divisor2, 2); 149759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 1498cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* set number of conversions */ 14992d238b2972bf365153ae8d699177c7a19a5f3056Andrea Gelmini if (cmd->stop_src == TRIG_COUNT) 150059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_count = cmd->chanlist_len * cmd->stop_arg; 1501cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* set pacer source */ 15025f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_lock_irqsave(&dev->spinlock, flags); 150359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez switch (cmd->scan_begin_src) { 150459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez case TRIG_TIMER: 150559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_control_bits |= DAC_PACER_INT; 150659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez break; 150759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez case TRIG_EXT: 150859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_control_bits |= DAC_PACER_EXT_RISE; 150959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez break; 151059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez default: 15115f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_unlock_irqrestore(&dev->spinlock, flags); 151259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez comedi_error(dev, "error setting dac pacer source"); 151359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -1; 151459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez break; 151559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 15165f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_unlock_irqrestore(&dev->spinlock, flags); 151759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 151859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez async->inttrig = cb_pcidas_ao_inttrig; 151959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 152059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 0; 152159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 152259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1523d163679ceec20c50f9aee880fa76c0c1185244a8Bill Pembertonstatic int cb_pcidas_ao_inttrig(struct comedi_device *dev, 1524d163679ceec20c50f9aee880fa76c0c1185244a8Bill Pemberton struct comedi_subdevice *s, 1525d163679ceec20c50f9aee880fa76c0c1185244a8Bill Pemberton unsigned int trig_num) 152659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 152759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int num_bytes, num_points = thisboard->fifo_size; 1528d163679ceec20c50f9aee880fa76c0c1185244a8Bill Pemberton struct comedi_async *async = s->async; 1529ea6d0d4cab4f4f2d6a88f3bce4707fe92696fd3fBill Pemberton struct comedi_cmd *cmd = &s->async->cmd; 153059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned long flags; 153159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 153259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (trig_num != 0) 153359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -EINVAL; 153459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1535cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* load up fifo */ 153659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->stop_src == TRIG_COUNT && devpriv->ao_count < num_points) 153759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez num_points = devpriv->ao_count; 153859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 153959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez num_bytes = cfc_read_array_from_buffer(s, devpriv->ao_buffer, 15400a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral num_points * sizeof(short)); 1541790c55415aa31f4c732729f94d2c3a54f7d3bfc2Bill Pemberton num_points = num_bytes / sizeof(short); 154259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 15432d238b2972bf365153ae8d699177c7a19a5f3056Andrea Gelmini if (cmd->stop_src == TRIG_COUNT) 154459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_count -= num_points; 1545cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* write data to board's fifo */ 154659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outsw(devpriv->ao_registers + DACDATA, devpriv->ao_buffer, num_bytes); 154759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1548cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* enable dac half-full and empty interrupts */ 15495f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_lock_irqsave(&dev->spinlock, flags); 155059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->adc_fifo_bits |= DAEMIE | DAHFIE; 155159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#ifdef CB_PCIDAS_DEBUG 15525f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman printk("comedi: adc_fifo_bits are 0x%x\n", devpriv->adc_fifo_bits); 155359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#endif 1554cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* enable and clear interrupts */ 155559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(devpriv->adc_fifo_bits | DAEMI | DAHFI, 15560a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->control_status + INT_ADCFIFO); 155759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1558cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* start dac */ 155959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_control_bits |= DAC_START | DACEN | DAC_EMPTY; 156059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(devpriv->ao_control_bits, devpriv->control_status + DAC_CSR); 156159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#ifdef CB_PCIDAS_DEBUG 15620a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral printk("comedi: sent 0x%x to dac control\n", devpriv->ao_control_bits); 156359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#endif 15645f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_unlock_irqrestore(&dev->spinlock, flags); 156559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 156659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez async->inttrig = NULL; 156759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 156859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 0; 156959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 157059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 157170265d24e3404fe798b6edd55a02016b1edb49d7Jiri Slabystatic irqreturn_t cb_pcidas_interrupt(int irq, void *d) 157259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 15730a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_device *dev = (struct comedi_device *)d; 157434c43922e62708d45e9660eee4b4f1fb7b4bf2c7Bill Pemberton struct comedi_subdevice *s = dev->read_subdev; 1575d163679ceec20c50f9aee880fa76c0c1185244a8Bill Pemberton struct comedi_async *async; 157659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez int status, s5933_status; 157759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez int half_fifo = thisboard->fifo_size / 2; 157859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int num_samples, i; 157959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez static const int timeout = 10000; 158059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned long flags; 158159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 15822d238b2972bf365153ae8d699177c7a19a5f3056Andrea Gelmini if (dev->attached == 0) 158359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return IRQ_NONE; 158459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 158559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez async = s->async; 158659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez async->events = 0; 158759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 158859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s5933_status = inl(devpriv->s5933_config + AMCC_OP_REG_INTCSR); 158959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#ifdef CB_PCIDAS_DEBUG 15905f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman printk("intcsr 0x%x\n", s5933_status); 15915f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman printk("mbef 0x%x\n", inl(devpriv->s5933_config + AMCC_OP_REG_MBEF)); 159259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#endif 159359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 159459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if ((INTCSR_INTR_ASSERTED & s5933_status) == 0) 159559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return IRQ_NONE; 159659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1597cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* make sure mailbox 4 is empty */ 159859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez inl_p(devpriv->s5933_config + AMCC_OP_REG_IMB4); 1599cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* clear interrupt on amcc s5933 */ 160059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outl(devpriv->s5933_intcsr_bits | INTCSR_INBOX_INTR_STATUS, 16010a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->s5933_config + AMCC_OP_REG_INTCSR); 160259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 160359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez status = inw(devpriv->control_status + INT_ADCFIFO); 160459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#ifdef CB_PCIDAS_DEBUG 16052d238b2972bf365153ae8d699177c7a19a5f3056Andrea Gelmini if ((status & (INT | EOAI | LADFUL | DAHFI | DAEMI)) == 0) 160659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez comedi_error(dev, "spurious interrupt"); 160759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#endif 160859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1609cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* check for analog output interrupt */ 16102d238b2972bf365153ae8d699177c7a19a5f3056Andrea Gelmini if (status & (DAHFI | DAEMI)) 161159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez handle_ao_interrupt(dev, status); 1612cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* check for analog input interrupts */ 1613cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* if fifo half-full */ 161459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (status & ADHFI) { 1615cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* read data */ 161659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez num_samples = half_fifo; 161759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (async->cmd.stop_src == TRIG_COUNT && 16180a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral num_samples > devpriv->count) { 161959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez num_samples = devpriv->count; 162059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 162159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez insw(devpriv->adc_fifo + ADCDATA, devpriv->ai_buffer, 16220a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral num_samples); 162359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cfc_write_array_to_buffer(s, devpriv->ai_buffer, 16240a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral num_samples * sizeof(short)); 162559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->count -= num_samples; 162659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (async->cmd.stop_src == TRIG_COUNT && devpriv->count == 0) { 162759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez async->events |= COMEDI_CB_EOA; 162859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cb_pcidas_cancel(dev, s); 162959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 1630cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* clear half-full interrupt latch */ 16315f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_lock_irqsave(&dev->spinlock, flags); 163259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(devpriv->adc_fifo_bits | INT, 16330a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->control_status + INT_ADCFIFO); 16345f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_unlock_irqrestore(&dev->spinlock, flags); 1635cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* else if fifo not empty */ 163659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } else if (status & (ADNEI | EOBI)) { 163759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez for (i = 0; i < timeout; i++) { 1638cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* break if fifo is empty */ 163959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if ((ADNE & inw(devpriv->control_status + 16400a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral INT_ADCFIFO)) == 0) 164159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez break; 164259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cfc_write_to_buffer(s, inw(devpriv->adc_fifo)); 164359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (async->cmd.stop_src == TRIG_COUNT && --devpriv->count == 0) { /* end of acquisition */ 164459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cb_pcidas_cancel(dev, s); 164559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez async->events |= COMEDI_CB_EOA; 164659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez break; 164759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 164859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 1649cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* clear not-empty interrupt latch */ 16505f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_lock_irqsave(&dev->spinlock, flags); 165159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(devpriv->adc_fifo_bits | INT, 16520a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->control_status + INT_ADCFIFO); 16535f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_unlock_irqrestore(&dev->spinlock, flags); 165459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } else if (status & EOAI) { 165559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez comedi_error(dev, 16560a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral "bug! encountered end of aquisition interrupt?"); 1657cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* clear EOA interrupt latch */ 16585f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_lock_irqsave(&dev->spinlock, flags); 165959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(devpriv->adc_fifo_bits | EOAI, 16600a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->control_status + INT_ADCFIFO); 16615f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_unlock_irqrestore(&dev->spinlock, flags); 166259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 1663cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* check for fifo overflow */ 166459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (status & LADFUL) { 166559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez comedi_error(dev, "fifo overflow"); 1666cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* clear overflow interrupt latch */ 16675f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_lock_irqsave(&dev->spinlock, flags); 166859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(devpriv->adc_fifo_bits | LADFUL, 16690a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->control_status + INT_ADCFIFO); 16705f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_unlock_irqrestore(&dev->spinlock, flags); 167159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cb_pcidas_cancel(dev, s); 167259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez async->events |= COMEDI_CB_EOA | COMEDI_CB_ERROR; 167359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 167459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 167559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez comedi_event(dev, s); 167659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 167759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return IRQ_HANDLED; 167859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 167959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1680da91b2692e0939b307f9047192d2b9fe07793e7aBill Pembertonstatic void handle_ao_interrupt(struct comedi_device *dev, unsigned int status) 168159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 168234c43922e62708d45e9660eee4b4f1fb7b4bf2c7Bill Pemberton struct comedi_subdevice *s = dev->write_subdev; 1683d163679ceec20c50f9aee880fa76c0c1185244a8Bill Pemberton struct comedi_async *async = s->async; 1684ea6d0d4cab4f4f2d6a88f3bce4707fe92696fd3fBill Pemberton struct comedi_cmd *cmd = &async->cmd; 168559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int half_fifo = thisboard->fifo_size / 2; 168659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int num_points; 16873a5e32ddcb04d7a2bed86323ca22da51d3a810bdGerard Lledo unsigned long flags; 168859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 168959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez async->events = 0; 169059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 169159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (status & DAEMI) { 1692cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* clear dac empty interrupt latch */ 16935f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_lock_irqsave(&dev->spinlock, flags); 169459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(devpriv->adc_fifo_bits | DAEMI, 16950a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->control_status + INT_ADCFIFO); 16965f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_unlock_irqrestore(&dev->spinlock, flags); 169759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (inw(devpriv->ao_registers + DAC_CSR) & DAC_EMPTY) { 169859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->stop_src == TRIG_NONE || 16990a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral (cmd->stop_src == TRIG_COUNT 17000a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral && devpriv->ao_count)) { 170159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez comedi_error(dev, "dac fifo underflow"); 170259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cb_pcidas_ao_cancel(dev, s); 170359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez async->events |= COMEDI_CB_ERROR; 170459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 170559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez async->events |= COMEDI_CB_EOA; 170659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 170759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } else if (status & DAHFI) { 170859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int num_bytes; 170959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1710cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* figure out how many points we are writing to fifo */ 171159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez num_points = half_fifo; 171259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->stop_src == TRIG_COUNT && 17130a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->ao_count < num_points) 171459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez num_points = devpriv->ao_count; 171559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez num_bytes = 17160a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral cfc_read_array_from_buffer(s, devpriv->ao_buffer, 17170a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral num_points * sizeof(short)); 1718790c55415aa31f4c732729f94d2c3a54f7d3bfc2Bill Pemberton num_points = num_bytes / sizeof(short); 171959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 17202d238b2972bf365153ae8d699177c7a19a5f3056Andrea Gelmini if (async->cmd.stop_src == TRIG_COUNT) 172159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_count -= num_points; 1722cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* write data to board's fifo */ 172359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outsw(devpriv->ao_registers + DACDATA, devpriv->ao_buffer, 17240a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral num_points); 1725cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* clear half-full interrupt latch */ 17265f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_lock_irqsave(&dev->spinlock, flags); 172759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(devpriv->adc_fifo_bits | DAHFI, 17280a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->control_status + INT_ADCFIFO); 17295f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_unlock_irqrestore(&dev->spinlock, flags); 173059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 173159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 173259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez comedi_event(dev, s); 173359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 173459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1735d163679ceec20c50f9aee880fa76c0c1185244a8Bill Pemberton/* cancel analog input command */ 17360a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_cancel(struct comedi_device *dev, 17370a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s) 173859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 173959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned long flags; 174059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 17415f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_lock_irqsave(&dev->spinlock, flags); 1742cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* disable interrupts */ 174359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->adc_fifo_bits &= ~INTE & ~EOAIE; 174459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(devpriv->adc_fifo_bits, devpriv->control_status + INT_ADCFIFO); 17455f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_unlock_irqrestore(&dev->spinlock, flags); 174659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1747cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* disable start trigger source and burst mode */ 174859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(0, devpriv->control_status + TRIG_CONTSTAT); 1749cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* software pacer source */ 175059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(0, devpriv->control_status + ADCMUX_CONT); 175159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 175259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 0; 175359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 175459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1755d163679ceec20c50f9aee880fa76c0c1185244a8Bill Pemberton/* cancel analog output command */ 1756d163679ceec20c50f9aee880fa76c0c1185244a8Bill Pembertonstatic int cb_pcidas_ao_cancel(struct comedi_device *dev, 1757d163679ceec20c50f9aee880fa76c0c1185244a8Bill Pemberton struct comedi_subdevice *s) 175859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 175959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned long flags; 176059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 17615f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_lock_irqsave(&dev->spinlock, flags); 1762cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* disable interrupts */ 176359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->adc_fifo_bits &= ~DAHFIE & ~DAEMIE; 176459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(devpriv->adc_fifo_bits, devpriv->control_status + INT_ADCFIFO); 176559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1766cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* disable output */ 176759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_control_bits &= ~DACEN & ~DAC_PACER_MASK; 176859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(devpriv->ao_control_bits, devpriv->control_status + DAC_CSR); 17695f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_unlock_irqrestore(&dev->spinlock, flags); 177059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 177159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 0; 177259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 177359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1774da91b2692e0939b307f9047192d2b9fe07793e7aBill Pembertonstatic void cb_pcidas_load_counters(struct comedi_device *dev, unsigned int *ns, 17750a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral int rounding_flags) 177659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 177759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez i8253_cascade_ns_to_timer_2div(TIMER_BASE, &(devpriv->divisor1), 17780a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral &(devpriv->divisor2), ns, 17790a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral rounding_flags & TRIG_ROUND_MASK); 178059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 178159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* Write the values of ctr1 and ctr2 into counters 1 and 2 */ 178259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez i8254_load(devpriv->pacer_counter_dio + ADC8254, 0, 1, 17830a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->divisor1, 2); 178459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez i8254_load(devpriv->pacer_counter_dio + ADC8254, 0, 2, 17850a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->divisor2, 2); 178659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 178759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1788da91b2692e0939b307f9047192d2b9fe07793e7aBill Pembertonstatic void write_calibration_bitstream(struct comedi_device *dev, 17890a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral unsigned int register_bits, 17900a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral unsigned int bitstream, 17910a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral unsigned int bitstream_length) 179259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 179359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez static const int write_delay = 1; 179459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int bit; 179559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 179659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez for (bit = 1 << (bitstream_length - 1); bit; bit >>= 1) { 179759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (bitstream & bit) 179859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez register_bits |= SERIAL_DATA_IN_BIT; 179959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez else 180059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez register_bits &= ~SERIAL_DATA_IN_BIT; 18015f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman udelay(write_delay); 180259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(register_bits, devpriv->control_status + CALIBRATION_REG); 180359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 180459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 180559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1806da91b2692e0939b307f9047192d2b9fe07793e7aBill Pembertonstatic int caldac_8800_write(struct comedi_device *dev, unsigned int address, 18070a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral uint8_t value) 180859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 180959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez static const int num_caldac_channels = 8; 181059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez static const int bitstream_length = 11; 181159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int bitstream = ((address & 0x7) << 8) | value; 18125f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman static const int caldac_8800_udelay = 1; 181359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 181459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (address >= num_caldac_channels) { 181559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez comedi_error(dev, "illegal caldac channel"); 181659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -1; 181759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 181859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 181959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (value == devpriv->caldac_value[address]) 182059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 182159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 182259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->caldac_value[address] = value; 182359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 182459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez write_calibration_bitstream(dev, cal_enable_bits(dev), bitstream, 18250a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral bitstream_length); 182659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 18275f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman udelay(caldac_8800_udelay); 182859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(cal_enable_bits(dev) | SELECT_8800_BIT, 18290a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->control_status + CALIBRATION_REG); 18305f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman udelay(caldac_8800_udelay); 183159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(cal_enable_bits(dev), devpriv->control_status + CALIBRATION_REG); 183259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 183359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 183459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 183559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1836da91b2692e0939b307f9047192d2b9fe07793e7aBill Pembertonstatic int trimpot_7376_write(struct comedi_device *dev, uint8_t value) 183759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 183859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez static const int bitstream_length = 7; 183959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int bitstream = value & 0x7f; 184059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int register_bits; 18415f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman static const int ad7376_udelay = 1; 184259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 184359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez register_bits = cal_enable_bits(dev) | SELECT_TRIMPOT_BIT; 18445f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman udelay(ad7376_udelay); 184559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(register_bits, devpriv->control_status + CALIBRATION_REG); 184659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 184759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez write_calibration_bitstream(dev, register_bits, bitstream, 18480a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral bitstream_length); 184959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 18505f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman udelay(ad7376_udelay); 185159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(cal_enable_bits(dev), devpriv->control_status + CALIBRATION_REG); 185259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 185359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 0; 185459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 185559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 185659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* For 1602/16 only 185759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * ch 0 : adc gain 185859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * ch 1 : adc postgain offset */ 1859da91b2692e0939b307f9047192d2b9fe07793e7aBill Pembertonstatic int trimpot_8402_write(struct comedi_device *dev, unsigned int channel, 18600a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral uint8_t value) 186159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 186259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez static const int bitstream_length = 10; 186359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int bitstream = ((channel & 0x3) << 8) | (value & 0xff); 186459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int register_bits; 18655f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman static const int ad8402_udelay = 1; 186659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 186759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez register_bits = cal_enable_bits(dev) | SELECT_TRIMPOT_BIT; 18685f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman udelay(ad8402_udelay); 186959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(register_bits, devpriv->control_status + CALIBRATION_REG); 187059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 187159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez write_calibration_bitstream(dev, register_bits, bitstream, 18720a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral bitstream_length); 187359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 18745f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman udelay(ad8402_udelay); 187559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(cal_enable_bits(dev), devpriv->control_status + CALIBRATION_REG); 187659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 187759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 0; 187859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 187959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 188059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinezstatic int wait_for_nvram_ready(unsigned long s5933_base_addr) 188159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 188259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez static const int timeout = 1000; 188359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int i; 188459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 188559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez for (i = 0; i < timeout; i++) { 188659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if ((inb(s5933_base_addr + 18870a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral AMCC_OP_REG_MCSR_NVCMD) & MCSR_NV_BUSY) 18880a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral == 0) 188959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 0; 18905f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman udelay(1); 189159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 189259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -1; 189359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 189459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 18950a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int nvram_read(struct comedi_device *dev, unsigned int address, 18962d238b2972bf365153ae8d699177c7a19a5f3056Andrea Gelmini uint8_t *data) 189759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 189859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned long iobase = devpriv->s5933_config; 189959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 190059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (wait_for_nvram_ready(iobase) < 0) 190159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -ETIMEDOUT; 190259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 190359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outb(MCSR_NV_ENABLE | MCSR_NV_LOAD_LOW_ADDR, 19040a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral iobase + AMCC_OP_REG_MCSR_NVCMD); 190559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outb(address & 0xff, iobase + AMCC_OP_REG_MCSR_NVDATA); 190659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outb(MCSR_NV_ENABLE | MCSR_NV_LOAD_HIGH_ADDR, 19070a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral iobase + AMCC_OP_REG_MCSR_NVCMD); 190859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outb((address >> 8) & 0xff, iobase + AMCC_OP_REG_MCSR_NVDATA); 190959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outb(MCSR_NV_ENABLE | MCSR_NV_READ, iobase + AMCC_OP_REG_MCSR_NVCMD); 191059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 191159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (wait_for_nvram_ready(iobase) < 0) 191259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -ETIMEDOUT; 191359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 191459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez *data = inb(iobase + AMCC_OP_REG_MCSR_NVDATA); 191559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 191659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 0; 191759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 191859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 191959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* 192059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * A convenient macro that defines init_module() and cleanup_module(), 192159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * as necessary. 192259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez */ 1923727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomasstatic int __devinit driver_cb_pcidas_pci_probe(struct pci_dev *dev, 1924727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomas const struct pci_device_id *ent) 1925727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomas{ 1926727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomas return comedi_pci_auto_config(dev, driver_cb_pcidas.driver_name); 1927727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomas} 1928727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomas 1929727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomasstatic void __devexit driver_cb_pcidas_pci_remove(struct pci_dev *dev) 1930727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomas{ 1931727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomas comedi_pci_auto_unconfig(dev); 1932727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomas} 1933727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomas 1934727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomasstatic struct pci_driver driver_cb_pcidas_pci_driver = { 1935727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomas .id_table = cb_pcidas_pci_table, 1936727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomas .probe = &driver_cb_pcidas_pci_probe, 1937727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomas .remove = __devexit_p(&driver_cb_pcidas_pci_remove) 1938727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomas}; 1939727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomas 1940727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomasstatic int __init driver_cb_pcidas_init_module(void) 1941727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomas{ 1942727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomas int retval; 1943727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomas 1944727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomas retval = comedi_driver_register(&driver_cb_pcidas); 1945727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomas if (retval < 0) 1946727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomas return retval; 1947727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomas 1948727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomas driver_cb_pcidas_pci_driver.name = (char *)driver_cb_pcidas.driver_name; 1949727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomas return pci_register_driver(&driver_cb_pcidas_pci_driver); 1950727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomas} 1951727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomas 1952727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomasstatic void __exit driver_cb_pcidas_cleanup_module(void) 1953727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomas{ 1954727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomas pci_unregister_driver(&driver_cb_pcidas_pci_driver); 1955727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomas comedi_driver_unregister(&driver_cb_pcidas); 1956727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomas} 1957727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomas 1958727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomasmodule_init(driver_cb_pcidas_init_module); 1959727b286b44ea359d66f47d241cc2cdad36ed7bdcArun Thomasmodule_exit(driver_cb_pcidas_cleanup_module); 196090f703d30dd3e0c16ff80f35e34e511385a05ad5Arun Thomas 196190f703d30dd3e0c16ff80f35e34e511385a05ad5Arun ThomasMODULE_AUTHOR("Comedi http://www.comedi.org"); 196290f703d30dd3e0c16ff80f35e34e511385a05ad5Arun ThomasMODULE_DESCRIPTION("Comedi low-level driver"); 196390f703d30dd3e0c16ff80f35e34e511385a05ad5Arun ThomasMODULE_LICENSE("GPL"); 1964