cb_pcidas.c revision 90f703d30dd3e0c16ff80f35e34e511385a05ad5
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. 5659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez*/ 5759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* 5859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 5959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan MartinezTODO: 6059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 6159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinezanalog triggering on 1602 series 6259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez*/ 6359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 6459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#include "../comedidev.h" 6559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#include <linux/delay.h> 6670265d24e3404fe798b6edd55a02016b1edb49d7Jiri Slaby#include <linux/interrupt.h> 6759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 6859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#include "8253.h" 6959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#include "8255.h" 7059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#include "amcc_s5933.h" 7159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#include "comedi_pci.h" 7259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#include "comedi_fc.h" 7359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 74cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#undef CB_PCIDAS_DEBUG /* disable debugging code */ 75cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton/* #define CB_PCIDAS_DEBUG enable debugging code */ 7659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 77cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton/* PCI vendor number of ComputerBoards/MeasurementComputing */ 7859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define PCI_VENDOR_ID_CB 0x1307 79cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define TIMER_BASE 100 /* 10MHz master clock */ 80cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define AI_BUFFER_SIZE 1024 /* maximum fifo size of any supported board */ 81cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define AO_BUFFER_SIZE 1024 /* maximum fifo size of any supported board */ 8259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define NUM_CHANNELS_8800 8 8359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define NUM_CHANNELS_7376 1 8459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define NUM_CHANNELS_8402 2 8559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define NUM_CHANNELS_DAC08 1 8659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 8759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* PCI-DAS base addresses */ 8859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 89cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton/* indices of base address regions */ 9059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define S5933_BADRINDEX 0 9159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define CONT_STAT_BADRINDEX 1 9259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define ADC_FIFO_BADRINDEX 2 9359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define PACER_BADRINDEX 3 9459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define AO_BADRINDEX 4 95cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton/* sizes of io regions */ 9659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define CONT_STAT_SIZE 10 9759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define ADC_FIFO_SIZE 4 9859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define PACER_SIZE 12 9959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define AO_SIZE 4 10059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 10159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* Control/Status registers */ 102cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define INT_ADCFIFO 0 /* INTERRUPT / ADC FIFO register */ 103cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define INT_EOS 0x1 /* interrupt end of scan */ 104cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define INT_FHF 0x2 /* interrupt fifo half full */ 105cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define INT_FNE 0x3 /* interrupt fifo not empty */ 106cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define INT_MASK 0x3 /* mask of interrupt select bits */ 107cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define INTE 0x4 /* interrupt enable */ 108cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define DAHFIE 0x8 /* dac half full interrupt enable */ 109cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define EOAIE 0x10 /* end of aquisition interrupt enable */ 110cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define DAHFI 0x20 /* dac half full read status / write interrupt clear */ 111cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define EOAI 0x40 /* read end of acq. interrupt status / write clear */ 112cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define INT 0x80 /* read interrupt status / write clear */ 113cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define EOBI 0x200 /* read end of burst interrupt status */ 114cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define ADHFI 0x400 /* read half-full interrupt status */ 115cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define ADNEI 0x800 /* read fifo not empty interrupt latch status */ 116cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define ADNE 0x1000 /* read, fifo not empty (realtime, not latched) status */ 117cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define DAEMIE 0x1000 /* write, dac empty interrupt enable */ 118cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define LADFUL 0x2000 /* read fifo overflow / write clear */ 119cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define DAEMI 0x4000 /* dac fifo empty interrupt status / write clear */ 120cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton 121cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define ADCMUX_CONT 2 /* ADC CHANNEL MUX AND CONTROL register */ 12259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define BEGIN_SCAN(x) ((x) & 0xf) 12359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define END_SCAN(x) (((x) & 0xf) << 4) 12459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define GAIN_BITS(x) (((x) & 0x3) << 8) 125cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define UNIP 0x800 /* Analog front-end unipolar for range */ 126cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define SE 0x400 /* Inputs in single-ended mode */ 127cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define PACER_MASK 0x3000 /* pacer source bits */ 128cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define PACER_INT 0x1000 /* internal pacer */ 129cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define PACER_EXT_FALL 0x2000 /* external falling edge */ 130cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define PACER_EXT_RISE 0x3000 /* external rising edge */ 131cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define EOC 0x4000 /* adc not busy */ 132cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton 133cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define TRIG_CONTSTAT 4 /* TRIGGER CONTROL/STATUS register */ 134cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define SW_TRIGGER 0x1 /* software start trigger */ 135cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define EXT_TRIGGER 0x2 /* external start trigger */ 136cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define ANALOG_TRIGGER 0x3 /* external analog trigger */ 137cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define TRIGGER_MASK 0x3 /* mask of bits that determine start trigger */ 138cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define TGEN 0x10 /* enable external start trigger */ 139cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define BURSTE 0x20 /* burst mode enable */ 140cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define XTRCL 0x80 /* clear external trigger */ 141cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton 142cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define CALIBRATION_REG 6 /* CALIBRATION register */ 143cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define SELECT_8800_BIT 0x100 /* select 8800 caldac */ 144cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define SELECT_TRIMPOT_BIT 0x200 /* select ad7376 trim pot */ 145cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define SELECT_DAC08_BIT 0x400 /* select dac08 caldac */ 14659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define CAL_SRC_BITS(x) (((x) & 0x7) << 11) 147cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define CAL_EN_BIT 0x4000 /* read calibration source instead of analog input channel 0 */ 148cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define SERIAL_DATA_IN_BIT 0x8000 /* serial data stream going to 8800 and 7376 */ 14959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 150cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define DAC_CSR 0x8 /* dac control and status register */ 15159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinezenum dac_csr_bits { 152cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton DACEN = 0x2, /* dac enable */ 153cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton DAC_MODE_UPDATE_BOTH = 0x80, /* update both dacs when dac0 is written */ 15459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez}; 15559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinezstatic inline unsigned int DAC_RANGE(unsigned int channel, unsigned int range) 15659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 15759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return (range & 0x3) << (8 + 2 * (channel & 0x1)); 15859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 1590a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral 16059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinezstatic inline unsigned int DAC_RANGE_MASK(unsigned int channel) 16159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 16259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 0x3 << (8 + 2 * (channel & 0x1)); 16359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez}; 16459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 165cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton/* bits for 1602 series only */ 16659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinezenum dac_csr_bits_1602 { 167cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton DAC_EMPTY = 0x1, /* dac fifo empty, read, write clear */ 168cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton DAC_START = 0x4, /* start/arm dac fifo operations */ 169cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton DAC_PACER_MASK = 0x18, /* bits that set dac pacer source */ 170cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton DAC_PACER_INT = 0x8, /* dac internal pacing */ 171cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton DAC_PACER_EXT_FALL = 0x10, /* dac external pacing, falling edge */ 172cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton DAC_PACER_EXT_RISE = 0x18, /* dac external pacing, rising edge */ 17359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez}; 17459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinezstatic inline unsigned int DAC_CHAN_EN(unsigned int channel) 17559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 176cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton return 1 << (5 + (channel & 0x1)); /* enable channel 0 or 1 */ 17759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez}; 17859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 17959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* analog input fifo */ 180cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define ADCDATA 0 /* ADC DATA register */ 181cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define ADCFIFOCLR 2 /* ADC FIFO CLEAR */ 18259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 183cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton/* pacer, counter, dio registers */ 18459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define ADC8254 0 18559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define DIO_8255 4 18659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define DAC8254 8 18759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 188cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton/* analog output registers for 100x, 1200 series */ 18959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinezstatic inline unsigned int DAC_DATA_REG(unsigned int channel) 19059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 19159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 2 * (channel & 0x1); 19259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 19359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 19459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* analog output registers for 1602 series*/ 195cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define DACDATA 0 /* DAC DATA register */ 196cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton#define DACFIFOCLR 2 /* DAC FIFO CLEAR */ 19759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 198cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton/* bit in hexadecimal representation of range index that indicates unipolar input range */ 19959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#define IS_UNIPOLAR 0x4 200cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton/* analog input ranges for most boards */ 2019ced1de69125b60f40127eddaa3be2a92bb0a1dfBill Pembertonstatic const struct comedi_lrange cb_pcidas_ranges = { 20259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 8, 20359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez { 2040a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral BIP_RANGE(10), 2050a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral BIP_RANGE(5), 2060a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral BIP_RANGE(2.5), 2070a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral BIP_RANGE(1.25), 2080a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral UNI_RANGE(10), 2090a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral UNI_RANGE(5), 2100a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral UNI_RANGE(2.5), 2110a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral UNI_RANGE(1.25) 2120a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral } 21359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez}; 21459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 215cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton/* pci-das1001 input ranges */ 2169ced1de69125b60f40127eddaa3be2a92bb0a1dfBill Pembertonstatic const struct comedi_lrange cb_pcidas_alt_ranges = { 21759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 8, 21859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez { 2190a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral BIP_RANGE(10), 2200a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral BIP_RANGE(1), 2210a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral BIP_RANGE(0.1), 2220a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral BIP_RANGE(0.01), 2230a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral UNI_RANGE(10), 2240a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral UNI_RANGE(1), 2250a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral UNI_RANGE(0.1), 2260a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral UNI_RANGE(0.01) 2270a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral } 22859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez}; 22959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 230cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton/* analog output ranges */ 2319ced1de69125b60f40127eddaa3be2a92bb0a1dfBill Pembertonstatic const struct comedi_lrange cb_pcidas_ao_ranges = { 23259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 4, 23359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez { 2340a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral BIP_RANGE(5), 2350a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral BIP_RANGE(10), 2360a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral UNI_RANGE(5), 2370a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral UNI_RANGE(10), 2380a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral } 23959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez}; 24059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 24159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinezenum trimpot_model { 24259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez AD7376, 24359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez AD8402, 24459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez}; 24559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 2465c2670cba2a5fd1a27f938ae11b3a24518d999dbBill Pembertonstruct cb_pcidas_board { 24759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez const char *name; 24859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned short device_id; 249cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton int ai_se_chans; /* Inputs in single-ended mode */ 250cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton int ai_diff_chans; /* Inputs in differential mode */ 251cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton int ai_bits; /* analog input resolution */ 252cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton int ai_speed; /* fastest conversion period in ns */ 253cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton int ao_nchan; /* number of analog out channels */ 254cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton int has_ao_fifo; /* analog output has fifo */ 255cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton int ao_scan_speed; /* analog output speed for 1602 series (for a scan, not conversion) */ 256cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton int fifo_size; /* number of samples fifo can hold */ 2579ced1de69125b60f40127eddaa3be2a92bb0a1dfBill Pemberton const struct comedi_lrange *ranges; 25859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez enum trimpot_model trimpot; 25959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned has_dac08:1; 2605c2670cba2a5fd1a27f938ae11b3a24518d999dbBill Pemberton}; 26159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 2625c2670cba2a5fd1a27f938ae11b3a24518d999dbBill Pembertonstatic const struct cb_pcidas_board cb_pcidas_boards[] = { 26359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez { 2640a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .name = "pci-das1602/16", 2650a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .device_id = 0x1, 2660a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_se_chans = 16, 2670a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_diff_chans = 8, 2680a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_bits = 16, 2690a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_speed = 5000, 2700a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ao_nchan = 2, 2710a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_ao_fifo = 1, 2720a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ao_scan_speed = 10000, 2730a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .fifo_size = 512, 2740a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ranges = &cb_pcidas_ranges, 2750a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .trimpot = AD8402, 2760a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_dac08 = 1, 2770a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral }, 27859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez { 2790a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .name = "pci-das1200", 2800a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .device_id = 0xF, 2810a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_se_chans = 16, 2820a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_diff_chans = 8, 2830a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_bits = 12, 2840a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_speed = 3200, 2850a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ao_nchan = 2, 2860a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_ao_fifo = 0, 2870a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .fifo_size = 1024, 2880a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ranges = &cb_pcidas_ranges, 2890a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .trimpot = AD7376, 2900a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_dac08 = 0, 2910a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral }, 29259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez { 2930a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .name = "pci-das1602/12", 2940a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .device_id = 0x10, 2950a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_se_chans = 16, 2960a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_diff_chans = 8, 2970a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_bits = 12, 2980a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_speed = 3200, 2990a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ao_nchan = 2, 3000a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_ao_fifo = 1, 3010a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ao_scan_speed = 4000, 3020a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .fifo_size = 1024, 3030a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ranges = &cb_pcidas_ranges, 3040a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .trimpot = AD7376, 3050a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_dac08 = 0, 3060a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral }, 30759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez { 3080a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .name = "pci-das1200/jr", 3090a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .device_id = 0x19, 3100a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_se_chans = 16, 3110a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_diff_chans = 8, 3120a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_bits = 12, 3130a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_speed = 3200, 3140a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ao_nchan = 0, 3150a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_ao_fifo = 0, 3160a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .fifo_size = 1024, 3170a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ranges = &cb_pcidas_ranges, 3180a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .trimpot = AD7376, 3190a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_dac08 = 0, 3200a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral }, 32159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez { 3220a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .name = "pci-das1602/16/jr", 3230a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .device_id = 0x1C, 3240a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_se_chans = 16, 3250a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_diff_chans = 8, 3260a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_bits = 16, 3270a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_speed = 5000, 3280a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ao_nchan = 0, 3290a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_ao_fifo = 0, 3300a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .fifo_size = 512, 3310a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ranges = &cb_pcidas_ranges, 3320a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .trimpot = AD8402, 3330a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_dac08 = 1, 3340a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral }, 33559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez { 3360a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .name = "pci-das1000", 3370a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .device_id = 0x4C, 3380a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_se_chans = 16, 3390a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_diff_chans = 8, 3400a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_bits = 12, 3410a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_speed = 4000, 3420a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ao_nchan = 0, 3430a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_ao_fifo = 0, 3440a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .fifo_size = 1024, 3450a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ranges = &cb_pcidas_ranges, 3460a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .trimpot = AD7376, 3470a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_dac08 = 0, 3480a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral }, 34959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez { 3500a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .name = "pci-das1001", 3510a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .device_id = 0x1a, 3520a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_se_chans = 16, 3530a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_diff_chans = 8, 3540a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_bits = 12, 3550a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_speed = 6800, 3560a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ao_nchan = 2, 3570a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_ao_fifo = 0, 3580a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .fifo_size = 1024, 3590a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ranges = &cb_pcidas_alt_ranges, 3600a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .trimpot = AD7376, 3610a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_dac08 = 0, 3620a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral }, 36359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez { 3640a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .name = "pci-das1002", 3650a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .device_id = 0x1b, 3660a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_se_chans = 16, 3670a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_diff_chans = 8, 3680a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_bits = 12, 3690a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ai_speed = 6800, 3700a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ao_nchan = 2, 3710a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_ao_fifo = 0, 3720a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .fifo_size = 1024, 3730a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .ranges = &cb_pcidas_ranges, 3740a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .trimpot = AD7376, 3750a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral .has_dac08 = 0, 3760a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral }, 37759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez}; 37859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 37959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinezstatic DEFINE_PCI_DEVICE_TABLE(cb_pcidas_pci_table) = { 3800a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral { 3810a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral PCI_VENDOR_ID_CB, 0x0001, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 3820a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral PCI_VENDOR_ID_CB, 0x000f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 3830a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral PCI_VENDOR_ID_CB, 0x0010, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 3840a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral PCI_VENDOR_ID_CB, 0x0019, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 3850a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral PCI_VENDOR_ID_CB, 0x001c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 3860a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral PCI_VENDOR_ID_CB, 0x004c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 3870a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral PCI_VENDOR_ID_CB, 0x001a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 3880a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral PCI_VENDOR_ID_CB, 0x001b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 3890a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral 0} 39059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez}; 39159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 39259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan MartinezMODULE_DEVICE_TABLE(pci, cb_pcidas_pci_table); 39359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 39459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* 39559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * Useful for shorthand access to the particular board structure 39659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez */ 3975c2670cba2a5fd1a27f938ae11b3a24518d999dbBill Pemberton#define thisboard ((const struct cb_pcidas_board *)dev->board_ptr) 39859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 39959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* this structure is for data unique to this hardware driver. If 40059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez several hardware drivers keep similar information in this structure, 40171b5f4f11971dea972832ad63a994c7e5b45db6bBill Pemberton feel free to suggest moving the variable to the struct comedi_device struct. */ 402c77e25898523395b56e1d120195e1ad2e3efa14dBill Pembertonstruct cb_pcidas_private { 40359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* would be useful for a PCI device */ 40459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez struct pci_dev *pci_dev; 405cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* base addresses */ 40659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned long s5933_config; 40759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned long control_status; 40859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned long adc_fifo; 40959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned long pacer_counter_dio; 41059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned long ao_registers; 411cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* divisors of master clock for analog input pacing */ 41259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int divisor1; 41359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int divisor2; 414cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton volatile unsigned int count; /* number of analog input samples remaining */ 415cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton volatile unsigned int adc_fifo_bits; /* bits to write to interupt/adcfifo register */ 416cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton volatile unsigned int s5933_intcsr_bits; /* bits to write to amcc s5933 interrupt control/status register */ 417cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton volatile unsigned int ao_control_bits; /* bits to write to ao control and status register */ 418790c55415aa31f4c732729f94d2c3a54f7d3bfc2Bill Pemberton short ai_buffer[AI_BUFFER_SIZE]; 419790c55415aa31f4c732729f94d2c3a54f7d3bfc2Bill Pemberton short ao_buffer[AO_BUFFER_SIZE]; 420cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* divisors of master clock for analog output pacing */ 42159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int ao_divisor1; 42259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int ao_divisor2; 423cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton volatile unsigned int ao_count; /* number of analog output samples remaining */ 424cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton int ao_value[2]; /* remember what the analog outputs are set to, to allow readback */ 425cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton unsigned int caldac_value[NUM_CHANNELS_8800]; /* for readback of caldac */ 426cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton unsigned int trimpot_value[NUM_CHANNELS_8402]; /* for readback of trimpot */ 42759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int dac08_value; 42859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int calibration_source; 429c77e25898523395b56e1d120195e1ad2e3efa14dBill Pemberton}; 43059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 43159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* 43259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * most drivers define the following macro to make it easy to 43359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * access the private structure. 43459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez */ 435c77e25898523395b56e1d120195e1ad2e3efa14dBill Pemberton#define devpriv ((struct cb_pcidas_private *)dev->private) 43659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 43759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* 438139dfbdfacb02e3ef3df936d2fabd1ad5f14ea88Bill Pemberton * The struct comedi_driver structure tells the Comedi core module 43959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * which functions to call to configure/deconfigure (attach/detach) 44059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * the board, and also about the kernel module that contains 44159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * the device code. 44259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez */ 4430a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_attach(struct comedi_device *dev, 4440a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_devconfig *it); 445da91b2692e0939b307f9047192d2b9fe07793e7aBill Pembertonstatic int cb_pcidas_detach(struct comedi_device *dev); 446139dfbdfacb02e3ef3df936d2fabd1ad5f14ea88Bill Pembertonstatic struct comedi_driver driver_cb_pcidas = { 44768c3dbff9fc9f25872408d0e95980d41733d48d0Bill Pemberton .driver_name = "cb_pcidas", 44868c3dbff9fc9f25872408d0e95980d41733d48d0Bill Pemberton .module = THIS_MODULE, 44968c3dbff9fc9f25872408d0e95980d41733d48d0Bill Pemberton .attach = cb_pcidas_attach, 45068c3dbff9fc9f25872408d0e95980d41733d48d0Bill Pemberton .detach = cb_pcidas_detach, 45159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez}; 45259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 4530a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ai_rinsn(struct comedi_device *dev, 4540a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 4550a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data); 456814900c904140cfe7f3e48cabec06b3eec57e0eaBill Pembertonstatic int ai_config_insn(struct comedi_device *dev, struct comedi_subdevice *s, 4570a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data); 4580a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ao_nofifo_winsn(struct comedi_device *dev, 4590a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 4600a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, 4610a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral unsigned int *data); 4620a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ao_fifo_winsn(struct comedi_device *dev, 4630a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 4640a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, 4650a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral unsigned int *data); 4660a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ao_readback_insn(struct comedi_device *dev, 4670a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 4680a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, 4690a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral unsigned int *data); 4700a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ai_cmd(struct comedi_device *dev, 4710a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s); 4720a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ai_cmdtest(struct comedi_device *dev, 4730a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 4740a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_cmd *cmd); 4750a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ao_cmd(struct comedi_device *dev, 4760a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s); 477d163679ceec20c50f9aee880fa76c0c1185244a8Bill Pembertonstatic int cb_pcidas_ao_inttrig(struct comedi_device *dev, 478d163679ceec20c50f9aee880fa76c0c1185244a8Bill Pemberton struct comedi_subdevice *subdev, 479d163679ceec20c50f9aee880fa76c0c1185244a8Bill Pemberton unsigned int trig_num); 4800a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ao_cmdtest(struct comedi_device *dev, 4810a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 4820a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_cmd *cmd); 48370265d24e3404fe798b6edd55a02016b1edb49d7Jiri Slabystatic irqreturn_t cb_pcidas_interrupt(int irq, void *d); 484814900c904140cfe7f3e48cabec06b3eec57e0eaBill Pembertonstatic void handle_ao_interrupt(struct comedi_device *dev, unsigned int status); 4850a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_cancel(struct comedi_device *dev, 4860a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s); 4870a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ao_cancel(struct comedi_device *dev, 4880a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s); 489814900c904140cfe7f3e48cabec06b3eec57e0eaBill Pembertonstatic void cb_pcidas_load_counters(struct comedi_device *dev, unsigned int *ns, 4900a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral int round_flags); 4910a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int eeprom_read_insn(struct comedi_device *dev, 4920a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 4930a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data); 4940a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int caldac_read_insn(struct comedi_device *dev, 4950a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 4960a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data); 4970a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int caldac_write_insn(struct comedi_device *dev, 4980a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 4990a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data); 5000a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int trimpot_read_insn(struct comedi_device *dev, 5010a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 5020a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data); 5030a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_trimpot_write(struct comedi_device *dev, 5040a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral unsigned int channel, unsigned int value); 5050a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int trimpot_write_insn(struct comedi_device *dev, 5060a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 5070a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data); 5080a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int dac08_read_insn(struct comedi_device *dev, 5090a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, struct comedi_insn *insn, 5100a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral unsigned int *data); 511814900c904140cfe7f3e48cabec06b3eec57e0eaBill Pembertonstatic int dac08_write(struct comedi_device *dev, unsigned int value); 5120a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int dac08_write_insn(struct comedi_device *dev, 5130a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 5140a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data); 515814900c904140cfe7f3e48cabec06b3eec57e0eaBill Pembertonstatic int caldac_8800_write(struct comedi_device *dev, unsigned int address, 5160a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral uint8_t value); 517814900c904140cfe7f3e48cabec06b3eec57e0eaBill Pembertonstatic int trimpot_7376_write(struct comedi_device *dev, uint8_t value); 518814900c904140cfe7f3e48cabec06b3eec57e0eaBill Pembertonstatic int trimpot_8402_write(struct comedi_device *dev, unsigned int channel, 5190a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral uint8_t value); 520814900c904140cfe7f3e48cabec06b3eec57e0eaBill Pembertonstatic int nvram_read(struct comedi_device *dev, unsigned int address, 5212d238b2972bf365153ae8d699177c7a19a5f3056Andrea Gelmini uint8_t *data); 52259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 523814900c904140cfe7f3e48cabec06b3eec57e0eaBill Pembertonstatic inline unsigned int cal_enable_bits(struct comedi_device *dev) 52459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 52559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return CAL_EN_BIT | CAL_SRC_BITS(devpriv->calibration_source); 52659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 52759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 52859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* 52959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * Attach is called by the Comedi core to configure the driver 53059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * for a particular board. 53159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez */ 5320a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_attach(struct comedi_device *dev, 5330a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_devconfig *it) 53459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 53534c43922e62708d45e9660eee4b4f1fb7b4bf2c7Bill Pemberton struct comedi_subdevice *s; 53659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez struct pci_dev *pcidev; 53759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez int index; 53859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez int i; 53959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 54059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez printk("comedi%d: cb_pcidas: ", dev->minor); 54159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 54259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* 54359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * Allocate the private structure area. 54459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez */ 545c77e25898523395b56e1d120195e1ad2e3efa14dBill Pemberton if (alloc_private(dev, sizeof(struct cb_pcidas_private)) < 0) 54659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -ENOMEM; 54759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 54859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* 54959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * Probe the device to determine what device in the series it is. 55059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez */ 55159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez printk("\n"); 55259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 55359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez for (pcidev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, NULL); 5540a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral pcidev != NULL; 5550a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral pcidev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, pcidev)) { 556cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* is it not a computer boards card? */ 55759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (pcidev->vendor != PCI_VENDOR_ID_CB) 55859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez continue; 559cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* loop through cards supported by this driver */ 5608629efa4cbf6f89a54a85af4b8bc31762af01800Bill Pemberton for (index = 0; index < ARRAY_SIZE(cb_pcidas_boards); index++) { 56159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cb_pcidas_boards[index].device_id != pcidev->device) 56259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez continue; 563cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* was a particular bus/slot requested? */ 56459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (it->options[0] || it->options[1]) { 565cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* are we on the wrong bus/slot? */ 56659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (pcidev->bus->number != it->options[0] || 5670a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral PCI_SLOT(pcidev->devfn) != it->options[1]) { 56859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez continue; 56959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 57059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 57159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->pci_dev = pcidev; 57259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez dev->board_ptr = cb_pcidas_boards + index; 57359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez goto found; 57459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 57559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 57659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 57759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez printk("No supported ComputerBoards/MeasurementComputing card found on " 5780a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral "requested position\n"); 57959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -EIO; 58059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 5810a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralfound: 58259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 58359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez printk("Found %s on bus %i, slot %i\n", cb_pcidas_boards[index].name, 5840a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral pcidev->bus->number, PCI_SLOT(pcidev->devfn)); 58559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 58659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* 58759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * Enable PCI device and reserve I/O ports. 58859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez */ 58959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (comedi_pci_enable(pcidev, "cb_pcidas")) { 59059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez printk(" Failed to enable PCI device and request regions\n"); 59159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -EIO; 59259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 59359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* 59459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * Initialize devpriv->control_status and devpriv->adc_fifo to point to 59559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * their base address. 59659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez */ 59759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->s5933_config = 5980a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral pci_resource_start(devpriv->pci_dev, S5933_BADRINDEX); 59959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->control_status = 6000a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral pci_resource_start(devpriv->pci_dev, CONT_STAT_BADRINDEX); 60159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->adc_fifo = 6020a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral pci_resource_start(devpriv->pci_dev, ADC_FIFO_BADRINDEX); 60359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->pacer_counter_dio = 6040a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral pci_resource_start(devpriv->pci_dev, PACER_BADRINDEX); 60559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (thisboard->ao_nchan) { 60659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_registers = 6070a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral pci_resource_start(devpriv->pci_dev, AO_BADRINDEX); 60859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 609cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* disable and clear interrupts on amcc s5933 */ 61059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outl(INTCSR_INBOX_INTR_STATUS, 6110a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->s5933_config + AMCC_OP_REG_INTCSR); 61259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 613cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* get irq */ 6145f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman if (request_irq(devpriv->pci_dev->irq, cb_pcidas_interrupt, 61559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez IRQF_SHARED, "cb_pcidas", dev)) { 61659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez printk(" unable to allocate irq %d\n", devpriv->pci_dev->irq); 61759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -EINVAL; 61859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 61959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez dev->irq = devpriv->pci_dev->irq; 62059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 621cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* Initialize dev->board_name */ 62259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez dev->board_name = thisboard->name; 62359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 62459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* 62559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * Allocate the subdevice structures. 62659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez */ 62759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (alloc_subdevices(dev, 7) < 0) 62859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -ENOMEM; 62959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 63059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s = dev->subdevices + 0; 63159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* analog input subdevice */ 63259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez dev->read_subdev = s; 63359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->type = COMEDI_SUBD_AI; 63459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_DIFF | SDF_CMD_READ; 63559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* WARNING: Number of inputs in differential mode is ignored */ 63659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->n_chan = thisboard->ai_se_chans; 63759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->len_chanlist = thisboard->ai_se_chans; 63859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->maxdata = (1 << thisboard->ai_bits) - 1; 63959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->range_table = thisboard->ranges; 64059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->insn_read = cb_pcidas_ai_rinsn; 64159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->insn_config = ai_config_insn; 64259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->do_cmd = cb_pcidas_ai_cmd; 64359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->do_cmdtest = cb_pcidas_ai_cmdtest; 64459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->cancel = cb_pcidas_cancel; 64559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 64659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* analog output subdevice */ 64759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s = dev->subdevices + 1; 64859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (thisboard->ao_nchan) { 64959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->type = COMEDI_SUBD_AO; 65059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_GROUND; 65159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->n_chan = thisboard->ao_nchan; 652cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* analog out resolution is the same as analog input resolution, so use ai_bits */ 65359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->maxdata = (1 << thisboard->ai_bits) - 1; 65459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->range_table = &cb_pcidas_ao_ranges; 65559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->insn_read = cb_pcidas_ao_readback_insn; 65659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (thisboard->has_ao_fifo) { 65759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez dev->write_subdev = s; 65859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->subdev_flags |= SDF_CMD_WRITE; 65959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->insn_write = cb_pcidas_ao_fifo_winsn; 66059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->do_cmdtest = cb_pcidas_ao_cmdtest; 66159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->do_cmd = cb_pcidas_ao_cmd; 66259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->cancel = cb_pcidas_ao_cancel; 66359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } else { 66459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->insn_write = cb_pcidas_ao_nofifo_winsn; 66559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 66659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } else { 66759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->type = COMEDI_SUBD_UNUSED; 66859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 66959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 67059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* 8255 */ 67159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s = dev->subdevices + 2; 67259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez subdev_8255_init(dev, s, NULL, devpriv->pacer_counter_dio + DIO_8255); 67359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 674cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* serial EEPROM, */ 67559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s = dev->subdevices + 3; 67659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->type = COMEDI_SUBD_MEMORY; 67759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->subdev_flags = SDF_READABLE | SDF_INTERNAL; 67859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->n_chan = 256; 67959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->maxdata = 0xff; 68059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->insn_read = eeprom_read_insn; 68159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 682cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* 8800 caldac */ 68359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s = dev->subdevices + 4; 68459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->type = COMEDI_SUBD_CALIB; 68559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_INTERNAL; 68659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->n_chan = NUM_CHANNELS_8800; 68759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->maxdata = 0xff; 68859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->insn_read = caldac_read_insn; 68959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->insn_write = caldac_write_insn; 69059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez for (i = 0; i < s->n_chan; i++) 69159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez caldac_8800_write(dev, i, s->maxdata / 2); 69259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 693cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* trim potentiometer */ 69459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s = dev->subdevices + 5; 69559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->type = COMEDI_SUBD_CALIB; 69659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_INTERNAL; 69759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (thisboard->trimpot == AD7376) { 69859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->n_chan = NUM_CHANNELS_7376; 69959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->maxdata = 0x7f; 70059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } else { 70159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->n_chan = NUM_CHANNELS_8402; 70259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->maxdata = 0xff; 70359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 70459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->insn_read = trimpot_read_insn; 70559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->insn_write = trimpot_write_insn; 70659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez for (i = 0; i < s->n_chan; i++) 70759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cb_pcidas_trimpot_write(dev, i, s->maxdata / 2); 70859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 709cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* dac08 caldac */ 71059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s = dev->subdevices + 6; 71159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (thisboard->has_dac08) { 71259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->type = COMEDI_SUBD_CALIB; 71359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_INTERNAL; 71459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->n_chan = NUM_CHANNELS_DAC08; 71559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->insn_read = dac08_read_insn; 71659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->insn_write = dac08_write_insn; 71759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->maxdata = 0xff; 71859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez dac08_write(dev, s->maxdata / 2); 71959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } else 72059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s->type = COMEDI_SUBD_UNUSED; 72159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 722cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* make sure mailbox 4 is empty */ 72359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez inl(devpriv->s5933_config + AMCC_OP_REG_IMB4); 72459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* Set bits to enable incoming mailbox interrupts on amcc s5933. */ 72559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->s5933_intcsr_bits = 7260a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral INTCSR_INBOX_BYTE(3) | INTCSR_INBOX_SELECT(3) | 7270a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral INTCSR_INBOX_FULL_INT; 728cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* clear and enable interrupt on amcc s5933 */ 72959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outl(devpriv->s5933_intcsr_bits | INTCSR_INBOX_INTR_STATUS, 7300a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->s5933_config + AMCC_OP_REG_INTCSR); 73159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 73259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 73359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 73459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 73559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* 73659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * cb_pcidas_detach is called to deconfigure a device. It should deallocate 73759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * resources. 73859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * This function is also called when _attach() fails, so it should be 73959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * careful not to release resources that were not necessarily 74059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * allocated by _attach(). dev->private and dev->subdevices are 74159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * deallocated automatically by the core. 74259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez */ 743da91b2692e0939b307f9047192d2b9fe07793e7aBill Pembertonstatic int cb_pcidas_detach(struct comedi_device *dev) 74459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 74559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez printk("comedi%d: cb_pcidas: remove\n", dev->minor); 74659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 74759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (devpriv) { 74859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (devpriv->s5933_config) { 749cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* disable and clear interrupts on amcc s5933 */ 75059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outl(INTCSR_INBOX_INTR_STATUS, 7510a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->s5933_config + AMCC_OP_REG_INTCSR); 75259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#ifdef CB_PCIDAS_DEBUG 7535f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman printk("detaching, incsr is 0x%x\n", 7540a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral inl(devpriv->s5933_config + AMCC_OP_REG_INTCSR)); 75559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#endif 75659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 75759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 75859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (dev->irq) 7595f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman free_irq(dev->irq, dev); 76059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (dev->subdevices) 76159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez subdev_8255_cleanup(dev, dev->subdevices + 2); 76259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (devpriv && devpriv->pci_dev) { 7632d238b2972bf365153ae8d699177c7a19a5f3056Andrea Gelmini if (devpriv->s5933_config) 76459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez comedi_pci_disable(devpriv->pci_dev); 76559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez pci_dev_put(devpriv->pci_dev); 76659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 76759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 76859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 0; 76959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 77059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 77159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* 77259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * "instructions" read/write data in "one-shot" or "software-triggered" 77359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * mode. 77459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez */ 7750a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ai_rinsn(struct comedi_device *dev, 7760a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 7770a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data) 77859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 77959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez int n, i; 78059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int bits; 78159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez static const int timeout = 10000; 78259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez int channel; 783cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* enable calibration input if appropriate */ 78459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (insn->chanspec & CR_ALT_SOURCE) { 78559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(cal_enable_bits(dev), 7860a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->control_status + CALIBRATION_REG); 78759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez channel = 0; 78859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } else { 78959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(0, devpriv->control_status + CALIBRATION_REG); 79059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez channel = CR_CHAN(insn->chanspec); 79159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 792cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* set mux limits and gain */ 79359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez bits = BEGIN_SCAN(channel) | 7940a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral END_SCAN(channel) | GAIN_BITS(CR_RANGE(insn->chanspec)); 795cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* set unipolar/bipolar */ 79659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (CR_RANGE(insn->chanspec) & IS_UNIPOLAR) 79759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez bits |= UNIP; 798cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* set singleended/differential */ 79959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (CR_AREF(insn->chanspec) != AREF_DIFF) 80059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez bits |= SE; 80159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(bits, devpriv->control_status + ADCMUX_CONT); 80259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 80359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* clear fifo */ 80459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(0, devpriv->adc_fifo + ADCFIFOCLR); 80559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 80659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* convert n samples */ 80759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez for (n = 0; n < insn->n; n++) { 80859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* trigger conversion */ 80959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(0, devpriv->adc_fifo + ADCDATA); 81059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 81159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* wait for conversion to end */ 81259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* return -ETIMEDOUT if there is a timeout */ 81359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez for (i = 0; i < timeout; i++) { 81459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (inw(devpriv->control_status + ADCMUX_CONT) & EOC) 81559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez break; 81659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 81759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (i == timeout) 81859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -ETIMEDOUT; 81959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 82059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* read data */ 82159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez data[n] = inw(devpriv->adc_fifo + ADCDATA); 82259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 82359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 82459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* return the number of samples read/written */ 82559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return n; 82659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 82759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 8280a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int ai_config_calibration_source(struct comedi_device *dev, 8290a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral unsigned int *data) 83059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 83159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez static const int num_calibration_sources = 8; 832790c55415aa31f4c732729f94d2c3a54f7d3bfc2Bill Pemberton unsigned int source = data[1]; 83359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 83459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (source >= num_calibration_sources) { 83559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez printk("invalid calibration source: %i\n", source); 83659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -EINVAL; 83759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 83859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 83959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->calibration_source = source; 84059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 84159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 2; 84259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 84359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 844da91b2692e0939b307f9047192d2b9fe07793e7aBill Pembertonstatic int ai_config_insn(struct comedi_device *dev, struct comedi_subdevice *s, 8450a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data) 84659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 84759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez int id = data[0]; 84859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 84959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez switch (id) { 85059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez case INSN_CONFIG_ALT_SOURCE: 85159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return ai_config_calibration_source(dev, data); 85259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez break; 85359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez default: 85459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -EINVAL; 85559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez break; 85659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 85759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -EINVAL; 85859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 85959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 860cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton/* analog output insn for pcidas-1000 and 1200 series */ 8610a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ao_nofifo_winsn(struct comedi_device *dev, 8620a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 8630a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, 8640a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral unsigned int *data) 86559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 86659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez int channel; 86759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned long flags; 86859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 869cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* set channel and range */ 87059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez channel = CR_CHAN(insn->chanspec); 8715f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_lock_irqsave(&dev->spinlock, flags); 87259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_control_bits &= 8730a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral ~DAC_MODE_UPDATE_BOTH & ~DAC_RANGE_MASK(channel); 87459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_control_bits |= 8750a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral DACEN | DAC_RANGE(channel, CR_RANGE(insn->chanspec)); 87659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(devpriv->ao_control_bits, devpriv->control_status + DAC_CSR); 8775f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_unlock_irqrestore(&dev->spinlock, flags); 87859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 879cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* remember value for readback */ 88059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_value[channel] = data[0]; 881cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* send data */ 88259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(data[0], devpriv->ao_registers + DAC_DATA_REG(channel)); 88359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 88459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 88559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 88659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 887cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton/* analog output insn for pcidas-1602 series */ 8880a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ao_fifo_winsn(struct comedi_device *dev, 8890a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 8900a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data) 89159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 89259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez int channel; 89359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned long flags; 89459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 895cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* clear dac fifo */ 89659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(0, devpriv->ao_registers + DACFIFOCLR); 89759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 898cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* set channel and range */ 89959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez channel = CR_CHAN(insn->chanspec); 9005f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_lock_irqsave(&dev->spinlock, flags); 90159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_control_bits &= 9020a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral ~DAC_CHAN_EN(0) & ~DAC_CHAN_EN(1) & ~DAC_RANGE_MASK(channel) & 9030a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral ~DAC_PACER_MASK; 90459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_control_bits |= 9050a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral DACEN | DAC_RANGE(channel, 9060a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral CR_RANGE(insn-> 9070a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral chanspec)) | DAC_CHAN_EN(channel) | 9080a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral DAC_START; 90959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(devpriv->ao_control_bits, devpriv->control_status + DAC_CSR); 9105f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_unlock_irqrestore(&dev->spinlock, flags); 91159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 912cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* remember value for readback */ 91359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_value[channel] = data[0]; 914cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* send data */ 91559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(data[0], devpriv->ao_registers + DACDATA); 91659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 91759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 91859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 91959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 920cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton/* analog output readback insn */ 921cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton/* XXX loses track of analog output value back after an analog ouput command is executed */ 9220a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ao_readback_insn(struct comedi_device *dev, 9230a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 9240a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, 9250a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral unsigned int *data) 92659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 92759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez data[0] = devpriv->ao_value[CR_CHAN(insn->chanspec)]; 92859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 92959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 93059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 93159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 9320a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int eeprom_read_insn(struct comedi_device *dev, 9330a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 9340a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data) 93559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 93659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez uint8_t nvram_data; 93759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez int retval; 93859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 93959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez retval = nvram_read(dev, CR_CHAN(insn->chanspec), &nvram_data); 94059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (retval < 0) 94159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return retval; 94259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 94359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez data[0] = nvram_data; 94459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 94559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 94659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 94759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 9480a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int caldac_write_insn(struct comedi_device *dev, 9490a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 9500a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data) 95159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 95259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez const unsigned int channel = CR_CHAN(insn->chanspec); 95359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 95459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return caldac_8800_write(dev, channel, data[0]); 95559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 95659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 9570a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int caldac_read_insn(struct comedi_device *dev, 9580a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 9590a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data) 96059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 96159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez data[0] = devpriv->caldac_value[CR_CHAN(insn->chanspec)]; 96259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 96359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 96459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 96559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 96659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* 1602/16 pregain offset */ 967da91b2692e0939b307f9047192d2b9fe07793e7aBill Pembertonstatic int dac08_write(struct comedi_device *dev, unsigned int value) 96859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 96959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (devpriv->dac08_value == value) 97059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 97159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 97259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->dac08_value = value; 97359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 97459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(cal_enable_bits(dev) | (value & 0xff), 9750a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->control_status + CALIBRATION_REG); 9765f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman udelay(1); 97759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(cal_enable_bits(dev) | SELECT_DAC08_BIT | (value & 0xff), 9780a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->control_status + CALIBRATION_REG); 9795f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman udelay(1); 98059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(cal_enable_bits(dev) | (value & 0xff), 9810a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->control_status + CALIBRATION_REG); 9825f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman udelay(1); 98359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 98459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 98559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 98659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 9870a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int dac08_write_insn(struct comedi_device *dev, 9880a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 9890a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data) 99059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 99159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return dac08_write(dev, data[0]); 99259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 99359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 9940a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int dac08_read_insn(struct comedi_device *dev, 9950a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, struct comedi_insn *insn, 9960a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral unsigned int *data) 99759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 99859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez data[0] = devpriv->dac08_value; 99959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 100059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 100159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 100259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1003da91b2692e0939b307f9047192d2b9fe07793e7aBill Pembertonstatic int cb_pcidas_trimpot_write(struct comedi_device *dev, 10040a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral unsigned int channel, unsigned int value) 100559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 100659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (devpriv->trimpot_value[channel] == value) 100759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 100859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 100959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->trimpot_value[channel] = value; 101059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez switch (thisboard->trimpot) { 101159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez case AD7376: 101259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez trimpot_7376_write(dev, value); 101359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez break; 101459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez case AD8402: 101559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez trimpot_8402_write(dev, channel, value); 101659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez break; 101759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez default: 101859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez comedi_error(dev, "driver bug?"); 101959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -1; 102059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez break; 102159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 102259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 102359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 102459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 102559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 10260a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int trimpot_write_insn(struct comedi_device *dev, 10270a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 10280a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data) 102959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 103059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int channel = CR_CHAN(insn->chanspec); 103159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 103259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return cb_pcidas_trimpot_write(dev, channel, data[0]); 103359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 103459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 10350a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int trimpot_read_insn(struct comedi_device *dev, 10360a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 10370a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_insn *insn, unsigned int *data) 103859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 103959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int channel = CR_CHAN(insn->chanspec); 104059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 104159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez data[0] = devpriv->trimpot_value[channel]; 104259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 104359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 104459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 104559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 10460a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ai_cmdtest(struct comedi_device *dev, 10470a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 10480a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_cmd *cmd) 104959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 105059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez int err = 0; 105159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez int tmp; 105259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez int i, gain, start_chan; 105359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 105459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* cmdtest tests a particular command to see if it is valid. 105559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * Using the cmdtest ioctl, a user can create a valid cmd 105659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * and then have it executes by the cmd ioctl. 105759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * 105859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * cmdtest returns 1,2,3,4 or 0, depending on which tests 105959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * the command passes. */ 106059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 106159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* step 1: make sure trigger sources are trivially valid */ 106259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 106359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez tmp = cmd->start_src; 106459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->start_src &= TRIG_NOW | TRIG_EXT; 106559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (!cmd->start_src || tmp != cmd->start_src) 106659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 106759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 106859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez tmp = cmd->scan_begin_src; 106959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->scan_begin_src &= TRIG_FOLLOW | TRIG_TIMER | TRIG_EXT; 107059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (!cmd->scan_begin_src || tmp != cmd->scan_begin_src) 107159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 107259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 107359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez tmp = cmd->convert_src; 107459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->convert_src &= TRIG_TIMER | TRIG_NOW | TRIG_EXT; 107559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (!cmd->convert_src || tmp != cmd->convert_src) 107659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 107759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 107859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez tmp = cmd->scan_end_src; 107959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->scan_end_src &= TRIG_COUNT; 108059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (!cmd->scan_end_src || tmp != cmd->scan_end_src) 108159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 108259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 108359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez tmp = cmd->stop_src; 108459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->stop_src &= TRIG_COUNT | TRIG_NONE; 108559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (!cmd->stop_src || tmp != cmd->stop_src) 108659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 108759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 108859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (err) 108959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 109059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 109159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* step 2: make sure trigger sources are unique and mutually compatible */ 109259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 109359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->start_src != TRIG_NOW && cmd->start_src != TRIG_EXT) 109459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 109559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->scan_begin_src != TRIG_FOLLOW && 10960a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral cmd->scan_begin_src != TRIG_TIMER && 10970a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral cmd->scan_begin_src != TRIG_EXT) 109859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 109959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->convert_src != TRIG_TIMER && 11000a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral cmd->convert_src != TRIG_EXT && cmd->convert_src != TRIG_NOW) 110159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 110259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->stop_src != TRIG_COUNT && cmd->stop_src != TRIG_NONE) 110359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 110459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1105cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* make sure trigger sources are compatible with each other */ 110659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->scan_begin_src == TRIG_FOLLOW && cmd->convert_src == TRIG_NOW) 110759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 110859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->scan_begin_src != TRIG_FOLLOW && cmd->convert_src != TRIG_NOW) 110959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 111059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->start_src == TRIG_EXT && 11110a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral (cmd->convert_src == TRIG_EXT || cmd->scan_begin_src == TRIG_EXT)) 111259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 111359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 111459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (err) 111559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 2; 111659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 111759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* step 3: make sure arguments are trivially compatible */ 111859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 111959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->start_arg != 0) { 112059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->start_arg = 0; 112159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 112259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 112359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 112459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->scan_begin_src == TRIG_TIMER) { 112559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->scan_begin_arg < 11260a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral thisboard->ai_speed * cmd->chanlist_len) { 112759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->scan_begin_arg = 11280a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral thisboard->ai_speed * cmd->chanlist_len; 112959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 113059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 113159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 113259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->convert_src == TRIG_TIMER) { 113359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->convert_arg < thisboard->ai_speed) { 113459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->convert_arg = thisboard->ai_speed; 113559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 113659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 113759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 113859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 113959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->scan_end_arg != cmd->chanlist_len) { 114059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->scan_end_arg = cmd->chanlist_len; 114159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 114259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 114359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->stop_src == TRIG_NONE) { 114459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* TRIG_NONE */ 114559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->stop_arg != 0) { 114659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->stop_arg = 0; 114759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 114859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 114959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 115059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 115159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (err) 115259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 3; 115359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 115459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* step 4: fix up any arguments */ 115559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 115659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->scan_begin_src == TRIG_TIMER) { 115759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez tmp = cmd->scan_begin_arg; 115859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez i8253_cascade_ns_to_timer_2div(TIMER_BASE, 11590a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral &(devpriv->divisor1), 11600a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral &(devpriv->divisor2), 11610a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral &(cmd->scan_begin_arg), 11620a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral cmd->flags & TRIG_ROUND_MASK); 116359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (tmp != cmd->scan_begin_arg) 116459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 116559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 116659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->convert_src == TRIG_TIMER) { 116759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez tmp = cmd->convert_arg; 116859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez i8253_cascade_ns_to_timer_2div(TIMER_BASE, 11690a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral &(devpriv->divisor1), 11700a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral &(devpriv->divisor2), 11710a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral &(cmd->convert_arg), 11720a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral cmd->flags & TRIG_ROUND_MASK); 117359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (tmp != cmd->convert_arg) 117459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 117559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 117659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 117759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (err) 117859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 4; 117959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1180cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* check channel/gain list against card's limitations */ 118159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->chanlist) { 118259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez gain = CR_RANGE(cmd->chanlist[0]); 118359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez start_chan = CR_CHAN(cmd->chanlist[0]); 118459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez for (i = 1; i < cmd->chanlist_len; i++) { 118559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (CR_CHAN(cmd->chanlist[i]) != 11860a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral (start_chan + i) % s->n_chan) { 118759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez comedi_error(dev, 11880a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral "entries in chanlist must be consecutive channels, counting upwards\n"); 118959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 119059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 119159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (CR_RANGE(cmd->chanlist[i]) != gain) { 119259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez comedi_error(dev, 11930a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral "entries in chanlist must all have the same gain\n"); 119459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 119559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 119659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 119759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 119859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 119959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (err) 120059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 5; 120159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 120259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 0; 120359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 120459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 12050a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ai_cmd(struct comedi_device *dev, 12060a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s) 120759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 1208d163679ceec20c50f9aee880fa76c0c1185244a8Bill Pemberton struct comedi_async *async = s->async; 1209ea6d0d4cab4f4f2d6a88f3bce4707fe92696fd3fBill Pemberton struct comedi_cmd *cmd = &async->cmd; 121059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int bits; 121159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned long flags; 121259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1213cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* make sure CAL_EN_BIT is disabled */ 121459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(0, devpriv->control_status + CALIBRATION_REG); 1215cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* initialize before settings pacer source and count values */ 121659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(0, devpriv->control_status + TRIG_CONTSTAT); 1217cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* clear fifo */ 121859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(0, devpriv->adc_fifo + ADCFIFOCLR); 121959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1220cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* set mux limits, gain and pacer source */ 122159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez bits = BEGIN_SCAN(CR_CHAN(cmd->chanlist[0])) | 12220a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral END_SCAN(CR_CHAN(cmd->chanlist[cmd->chanlist_len - 1])) | 12230a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral GAIN_BITS(CR_RANGE(cmd->chanlist[0])); 1224cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* set unipolar/bipolar */ 122559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (CR_RANGE(cmd->chanlist[0]) & IS_UNIPOLAR) 122659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez bits |= UNIP; 1227cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* set singleended/differential */ 122859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (CR_AREF(cmd->chanlist[0]) != AREF_DIFF) 122959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez bits |= SE; 1230cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* set pacer source */ 123159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->convert_src == TRIG_EXT || cmd->scan_begin_src == TRIG_EXT) 123259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez bits |= PACER_EXT_RISE; 123359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez else 123459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez bits |= PACER_INT; 123559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(bits, devpriv->control_status + ADCMUX_CONT); 123659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 123759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#ifdef CB_PCIDAS_DEBUG 12385f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman printk("comedi: sent 0x%x to adcmux control\n", bits); 123959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#endif 124059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1241cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* load counters */ 124259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->convert_src == TRIG_TIMER) 124359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cb_pcidas_load_counters(dev, &cmd->convert_arg, 12440a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral cmd->flags & TRIG_ROUND_MASK); 124559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez else if (cmd->scan_begin_src == TRIG_TIMER) 124659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cb_pcidas_load_counters(dev, &cmd->scan_begin_arg, 12470a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral cmd->flags & TRIG_ROUND_MASK); 124859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1249cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* set number of conversions */ 12502d238b2972bf365153ae8d699177c7a19a5f3056Andrea Gelmini if (cmd->stop_src == TRIG_COUNT) 125159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->count = cmd->chanlist_len * cmd->stop_arg; 1252cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* enable interrupts */ 12535f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_lock_irqsave(&dev->spinlock, flags); 125459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->adc_fifo_bits |= INTE; 125559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->adc_fifo_bits &= ~INT_MASK; 125659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->flags & TRIG_WAKE_EOS) { 125759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->convert_src == TRIG_NOW && cmd->chanlist_len > 1) 1258cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton devpriv->adc_fifo_bits |= INT_EOS; /* interrupt end of burst */ 125959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez else 1260cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton devpriv->adc_fifo_bits |= INT_FNE; /* interrupt fifo not empty */ 126159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } else { 1262cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton devpriv->adc_fifo_bits |= INT_FHF; /* interrupt fifo half full */ 126359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 126459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#ifdef CB_PCIDAS_DEBUG 12655f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman printk("comedi: adc_fifo_bits are 0x%x\n", devpriv->adc_fifo_bits); 126659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#endif 1267cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* enable (and clear) interrupts */ 126859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(devpriv->adc_fifo_bits | EOAI | INT | LADFUL, 12690a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->control_status + INT_ADCFIFO); 12705f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_unlock_irqrestore(&dev->spinlock, flags); 127159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1272cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* set start trigger and burst mode */ 127359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez bits = 0; 127459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->start_src == TRIG_NOW) 127559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez bits |= SW_TRIGGER; 127659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez else if (cmd->start_src == TRIG_EXT) 127759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez bits |= EXT_TRIGGER | TGEN | XTRCL; 127859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez else { 127959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez comedi_error(dev, "bug!"); 128059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -1; 128159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 128259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->convert_src == TRIG_NOW && cmd->chanlist_len > 1) 128359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez bits |= BURSTE; 128459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(bits, devpriv->control_status + TRIG_CONTSTAT); 128559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#ifdef CB_PCIDAS_DEBUG 12865f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman printk("comedi: sent 0x%x to trig control\n", bits); 128759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#endif 128859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 128959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 0; 129059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 129159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 12920a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ao_cmdtest(struct comedi_device *dev, 12930a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s, 12940a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_cmd *cmd) 129559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 129659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez int err = 0; 129759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez int tmp; 129859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 129959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* cmdtest tests a particular command to see if it is valid. 130059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * Using the cmdtest ioctl, a user can create a valid cmd 130159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * and then have it executes by the cmd ioctl. 130259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * 130359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * cmdtest returns 1,2,3,4 or 0, depending on which tests 130459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * the command passes. */ 130559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 130659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* step 1: make sure trigger sources are trivially valid */ 130759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 130859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez tmp = cmd->start_src; 130959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->start_src &= TRIG_INT; 131059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (!cmd->start_src || tmp != cmd->start_src) 131159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 131259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 131359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez tmp = cmd->scan_begin_src; 131459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->scan_begin_src &= TRIG_TIMER | TRIG_EXT; 131559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (!cmd->scan_begin_src || tmp != cmd->scan_begin_src) 131659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 131759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 131859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez tmp = cmd->convert_src; 131959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->convert_src &= TRIG_NOW; 132059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (!cmd->convert_src || tmp != cmd->convert_src) 132159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 132259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 132359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez tmp = cmd->scan_end_src; 132459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->scan_end_src &= TRIG_COUNT; 132559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (!cmd->scan_end_src || tmp != cmd->scan_end_src) 132659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 132759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 132859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez tmp = cmd->stop_src; 132959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->stop_src &= TRIG_COUNT | TRIG_NONE; 133059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (!cmd->stop_src || tmp != cmd->stop_src) 133159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 133259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 133359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (err) 133459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 133559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 133659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* step 2: make sure trigger sources are unique and mutually compatible */ 133759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 133859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->scan_begin_src != TRIG_TIMER && 13390a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral cmd->scan_begin_src != TRIG_EXT) 134059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 134159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->stop_src != TRIG_COUNT && cmd->stop_src != TRIG_NONE) 134259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 134359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 134459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (err) 134559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 2; 134659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 134759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* step 3: make sure arguments are trivially compatible */ 134859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 134959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->start_arg != 0) { 135059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->start_arg = 0; 135159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 135259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 135359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 135459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->scan_begin_src == TRIG_TIMER) { 135559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->scan_begin_arg < thisboard->ao_scan_speed) { 135659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->scan_begin_arg = thisboard->ao_scan_speed; 135759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 135859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 135959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 136059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 136159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->scan_end_arg != cmd->chanlist_len) { 136259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->scan_end_arg = cmd->chanlist_len; 136359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 136459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 136559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->stop_src == TRIG_NONE) { 136659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* TRIG_NONE */ 136759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->stop_arg != 0) { 136859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cmd->stop_arg = 0; 136959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 137059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 137159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 137259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 137359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (err) 137459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 3; 137559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 137659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* step 4: fix up any arguments */ 137759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 137859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->scan_begin_src == TRIG_TIMER) { 137959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez tmp = cmd->scan_begin_arg; 138059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez i8253_cascade_ns_to_timer_2div(TIMER_BASE, 13810a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral &(devpriv->ao_divisor1), 13820a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral &(devpriv->ao_divisor2), 13830a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral &(cmd->scan_begin_arg), 13840a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral cmd->flags & TRIG_ROUND_MASK); 138559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (tmp != cmd->scan_begin_arg) 138659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 138759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 138859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 138959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (err) 139059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 4; 139159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1392cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* check channel/gain list against card's limitations */ 139359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->chanlist && cmd->chanlist_len > 1) { 139459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (CR_CHAN(cmd->chanlist[0]) != 0 || 13950a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral CR_CHAN(cmd->chanlist[1]) != 1) { 139659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez comedi_error(dev, 13970a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral "channels must be ordered channel 0, channel 1 in chanlist\n"); 139859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez err++; 139959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 140059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 140159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 140259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (err) 140359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 5; 140459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 140559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 0; 140659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 140759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 14080a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_ao_cmd(struct comedi_device *dev, 14090a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s) 141059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 1411d163679ceec20c50f9aee880fa76c0c1185244a8Bill Pemberton struct comedi_async *async = s->async; 1412ea6d0d4cab4f4f2d6a88f3bce4707fe92696fd3fBill Pemberton struct comedi_cmd *cmd = &async->cmd; 141359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int i; 141459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned long flags; 141559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1416cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* set channel limits, gain */ 14175f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_lock_irqsave(&dev->spinlock, flags); 141859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez for (i = 0; i < cmd->chanlist_len; i++) { 1419cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* enable channel */ 142059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_control_bits |= 14210a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral DAC_CHAN_EN(CR_CHAN(cmd->chanlist[i])); 1422cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* set range */ 142359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_control_bits |= DAC_RANGE(CR_CHAN(cmd->chanlist[i]), 14240a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral CR_RANGE(cmd-> 14250a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral chanlist[i])); 142659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 142759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1428cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* disable analog out before settings pacer source and count values */ 142959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(devpriv->ao_control_bits, devpriv->control_status + DAC_CSR); 14305f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_unlock_irqrestore(&dev->spinlock, flags); 143159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1432cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* clear fifo */ 143359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(0, devpriv->ao_registers + DACFIFOCLR); 143459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1435cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* load counters */ 143659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->scan_begin_src == TRIG_TIMER) { 143759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez i8253_cascade_ns_to_timer_2div(TIMER_BASE, 14380a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral &(devpriv->ao_divisor1), 14390a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral &(devpriv->ao_divisor2), 14400a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral &(cmd->scan_begin_arg), 14410a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral cmd->flags); 144259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 144359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* Write the values of ctr1 and ctr2 into counters 1 and 2 */ 144459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez i8254_load(devpriv->pacer_counter_dio + DAC8254, 0, 1, 14450a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->ao_divisor1, 2); 144659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez i8254_load(devpriv->pacer_counter_dio + DAC8254, 0, 2, 14470a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->ao_divisor2, 2); 144859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 1449cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* set number of conversions */ 14502d238b2972bf365153ae8d699177c7a19a5f3056Andrea Gelmini if (cmd->stop_src == TRIG_COUNT) 145159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_count = cmd->chanlist_len * cmd->stop_arg; 1452cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* set pacer source */ 14535f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_lock_irqsave(&dev->spinlock, flags); 145459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez switch (cmd->scan_begin_src) { 145559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez case TRIG_TIMER: 145659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_control_bits |= DAC_PACER_INT; 145759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez break; 145859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez case TRIG_EXT: 145959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_control_bits |= DAC_PACER_EXT_RISE; 146059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez break; 146159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez default: 14625f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_unlock_irqrestore(&dev->spinlock, flags); 146359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez comedi_error(dev, "error setting dac pacer source"); 146459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -1; 146559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez break; 146659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 14675f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_unlock_irqrestore(&dev->spinlock, flags); 146859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 146959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez async->inttrig = cb_pcidas_ao_inttrig; 147059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 147159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 0; 147259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 147359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1474d163679ceec20c50f9aee880fa76c0c1185244a8Bill Pembertonstatic int cb_pcidas_ao_inttrig(struct comedi_device *dev, 1475d163679ceec20c50f9aee880fa76c0c1185244a8Bill Pemberton struct comedi_subdevice *s, 1476d163679ceec20c50f9aee880fa76c0c1185244a8Bill Pemberton unsigned int trig_num) 147759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 147859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int num_bytes, num_points = thisboard->fifo_size; 1479d163679ceec20c50f9aee880fa76c0c1185244a8Bill Pemberton struct comedi_async *async = s->async; 1480ea6d0d4cab4f4f2d6a88f3bce4707fe92696fd3fBill Pemberton struct comedi_cmd *cmd = &s->async->cmd; 148159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned long flags; 148259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 148359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (trig_num != 0) 148459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -EINVAL; 148559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1486cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* load up fifo */ 148759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->stop_src == TRIG_COUNT && devpriv->ao_count < num_points) 148859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez num_points = devpriv->ao_count; 148959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 149059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez num_bytes = cfc_read_array_from_buffer(s, devpriv->ao_buffer, 14910a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral num_points * sizeof(short)); 1492790c55415aa31f4c732729f94d2c3a54f7d3bfc2Bill Pemberton num_points = num_bytes / sizeof(short); 149359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 14942d238b2972bf365153ae8d699177c7a19a5f3056Andrea Gelmini if (cmd->stop_src == TRIG_COUNT) 149559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_count -= num_points; 1496cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* write data to board's fifo */ 149759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outsw(devpriv->ao_registers + DACDATA, devpriv->ao_buffer, num_bytes); 149859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1499cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* enable dac half-full and empty interrupts */ 15005f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_lock_irqsave(&dev->spinlock, flags); 150159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->adc_fifo_bits |= DAEMIE | DAHFIE; 150259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#ifdef CB_PCIDAS_DEBUG 15035f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman printk("comedi: adc_fifo_bits are 0x%x\n", devpriv->adc_fifo_bits); 150459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#endif 1505cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* enable and clear interrupts */ 150659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(devpriv->adc_fifo_bits | DAEMI | DAHFI, 15070a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->control_status + INT_ADCFIFO); 150859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1509cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* start dac */ 151059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_control_bits |= DAC_START | DACEN | DAC_EMPTY; 151159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(devpriv->ao_control_bits, devpriv->control_status + DAC_CSR); 151259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#ifdef CB_PCIDAS_DEBUG 15130a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral printk("comedi: sent 0x%x to dac control\n", devpriv->ao_control_bits); 151459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#endif 15155f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_unlock_irqrestore(&dev->spinlock, flags); 151659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 151759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez async->inttrig = NULL; 151859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 151959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 0; 152059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 152159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 152270265d24e3404fe798b6edd55a02016b1edb49d7Jiri Slabystatic irqreturn_t cb_pcidas_interrupt(int irq, void *d) 152359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 15240a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_device *dev = (struct comedi_device *)d; 152534c43922e62708d45e9660eee4b4f1fb7b4bf2c7Bill Pemberton struct comedi_subdevice *s = dev->read_subdev; 1526d163679ceec20c50f9aee880fa76c0c1185244a8Bill Pemberton struct comedi_async *async; 152759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez int status, s5933_status; 152859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez int half_fifo = thisboard->fifo_size / 2; 152959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int num_samples, i; 153059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez static const int timeout = 10000; 153159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned long flags; 153259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 15332d238b2972bf365153ae8d699177c7a19a5f3056Andrea Gelmini if (dev->attached == 0) 153459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return IRQ_NONE; 153559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 153659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez async = s->async; 153759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez async->events = 0; 153859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 153959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez s5933_status = inl(devpriv->s5933_config + AMCC_OP_REG_INTCSR); 154059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#ifdef CB_PCIDAS_DEBUG 15415f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman printk("intcsr 0x%x\n", s5933_status); 15425f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman printk("mbef 0x%x\n", inl(devpriv->s5933_config + AMCC_OP_REG_MBEF)); 154359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#endif 154459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 154559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if ((INTCSR_INTR_ASSERTED & s5933_status) == 0) 154659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return IRQ_NONE; 154759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1548cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* make sure mailbox 4 is empty */ 154959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez inl_p(devpriv->s5933_config + AMCC_OP_REG_IMB4); 1550cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* clear interrupt on amcc s5933 */ 155159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outl(devpriv->s5933_intcsr_bits | INTCSR_INBOX_INTR_STATUS, 15520a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->s5933_config + AMCC_OP_REG_INTCSR); 155359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 155459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez status = inw(devpriv->control_status + INT_ADCFIFO); 155559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#ifdef CB_PCIDAS_DEBUG 15562d238b2972bf365153ae8d699177c7a19a5f3056Andrea Gelmini if ((status & (INT | EOAI | LADFUL | DAHFI | DAEMI)) == 0) 155759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez comedi_error(dev, "spurious interrupt"); 155859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez#endif 155959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1560cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* check for analog output interrupt */ 15612d238b2972bf365153ae8d699177c7a19a5f3056Andrea Gelmini if (status & (DAHFI | DAEMI)) 156259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez handle_ao_interrupt(dev, status); 1563cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* check for analog input interrupts */ 1564cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* if fifo half-full */ 156559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (status & ADHFI) { 1566cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* read data */ 156759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez num_samples = half_fifo; 156859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (async->cmd.stop_src == TRIG_COUNT && 15690a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral num_samples > devpriv->count) { 157059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez num_samples = devpriv->count; 157159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 157259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez insw(devpriv->adc_fifo + ADCDATA, devpriv->ai_buffer, 15730a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral num_samples); 157459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cfc_write_array_to_buffer(s, devpriv->ai_buffer, 15750a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral num_samples * sizeof(short)); 157659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->count -= num_samples; 157759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (async->cmd.stop_src == TRIG_COUNT && devpriv->count == 0) { 157859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez async->events |= COMEDI_CB_EOA; 157959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cb_pcidas_cancel(dev, s); 158059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 1581cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* clear half-full interrupt latch */ 15825f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_lock_irqsave(&dev->spinlock, flags); 158359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(devpriv->adc_fifo_bits | INT, 15840a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->control_status + INT_ADCFIFO); 15855f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_unlock_irqrestore(&dev->spinlock, flags); 1586cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* else if fifo not empty */ 158759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } else if (status & (ADNEI | EOBI)) { 158859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez for (i = 0; i < timeout; i++) { 1589cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* break if fifo is empty */ 159059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if ((ADNE & inw(devpriv->control_status + 15910a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral INT_ADCFIFO)) == 0) 159259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez break; 159359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cfc_write_to_buffer(s, inw(devpriv->adc_fifo)); 159459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (async->cmd.stop_src == TRIG_COUNT && --devpriv->count == 0) { /* end of acquisition */ 159559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cb_pcidas_cancel(dev, s); 159659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez async->events |= COMEDI_CB_EOA; 159759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez break; 159859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 159959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 1600cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* clear not-empty interrupt latch */ 16015f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_lock_irqsave(&dev->spinlock, flags); 160259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(devpriv->adc_fifo_bits | INT, 16030a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->control_status + INT_ADCFIFO); 16045f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_unlock_irqrestore(&dev->spinlock, flags); 160559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } else if (status & EOAI) { 160659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez comedi_error(dev, 16070a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral "bug! encountered end of aquisition interrupt?"); 1608cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* clear EOA interrupt latch */ 16095f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_lock_irqsave(&dev->spinlock, flags); 161059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(devpriv->adc_fifo_bits | EOAI, 16110a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->control_status + INT_ADCFIFO); 16125f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_unlock_irqrestore(&dev->spinlock, flags); 161359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 1614cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* check for fifo overflow */ 161559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (status & LADFUL) { 161659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez comedi_error(dev, "fifo overflow"); 1617cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* clear overflow interrupt latch */ 16185f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_lock_irqsave(&dev->spinlock, flags); 161959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(devpriv->adc_fifo_bits | LADFUL, 16200a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->control_status + INT_ADCFIFO); 16215f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_unlock_irqrestore(&dev->spinlock, flags); 162259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cb_pcidas_cancel(dev, s); 162359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez async->events |= COMEDI_CB_EOA | COMEDI_CB_ERROR; 162459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 162559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 162659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez comedi_event(dev, s); 162759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 162859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return IRQ_HANDLED; 162959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 163059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1631da91b2692e0939b307f9047192d2b9fe07793e7aBill Pembertonstatic void handle_ao_interrupt(struct comedi_device *dev, unsigned int status) 163259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 163334c43922e62708d45e9660eee4b4f1fb7b4bf2c7Bill Pemberton struct comedi_subdevice *s = dev->write_subdev; 1634d163679ceec20c50f9aee880fa76c0c1185244a8Bill Pemberton struct comedi_async *async = s->async; 1635ea6d0d4cab4f4f2d6a88f3bce4707fe92696fd3fBill Pemberton struct comedi_cmd *cmd = &async->cmd; 163659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int half_fifo = thisboard->fifo_size / 2; 163759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int num_points; 16383a5e32ddcb04d7a2bed86323ca22da51d3a810bdGerard Lledo unsigned long flags; 163959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 164059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez async->events = 0; 164159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 164259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (status & DAEMI) { 1643cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* clear dac empty interrupt latch */ 16445f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_lock_irqsave(&dev->spinlock, flags); 164559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(devpriv->adc_fifo_bits | DAEMI, 16460a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->control_status + INT_ADCFIFO); 16475f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_unlock_irqrestore(&dev->spinlock, flags); 164859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (inw(devpriv->ao_registers + DAC_CSR) & DAC_EMPTY) { 164959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->stop_src == TRIG_NONE || 16500a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral (cmd->stop_src == TRIG_COUNT 16510a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral && devpriv->ao_count)) { 165259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez comedi_error(dev, "dac fifo underflow"); 165359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez cb_pcidas_ao_cancel(dev, s); 165459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez async->events |= COMEDI_CB_ERROR; 165559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 165659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez async->events |= COMEDI_CB_EOA; 165759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 165859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } else if (status & DAHFI) { 165959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int num_bytes; 166059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1661cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* figure out how many points we are writing to fifo */ 166259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez num_points = half_fifo; 166359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (cmd->stop_src == TRIG_COUNT && 16640a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->ao_count < num_points) 166559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez num_points = devpriv->ao_count; 166659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez num_bytes = 16670a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral cfc_read_array_from_buffer(s, devpriv->ao_buffer, 16680a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral num_points * sizeof(short)); 1669790c55415aa31f4c732729f94d2c3a54f7d3bfc2Bill Pemberton num_points = num_bytes / sizeof(short); 167059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 16712d238b2972bf365153ae8d699177c7a19a5f3056Andrea Gelmini if (async->cmd.stop_src == TRIG_COUNT) 167259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_count -= num_points; 1673cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* write data to board's fifo */ 167459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outsw(devpriv->ao_registers + DACDATA, devpriv->ao_buffer, 16750a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral num_points); 1676cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* clear half-full interrupt latch */ 16775f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_lock_irqsave(&dev->spinlock, flags); 167859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(devpriv->adc_fifo_bits | DAHFI, 16790a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->control_status + INT_ADCFIFO); 16805f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_unlock_irqrestore(&dev->spinlock, flags); 168159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 168259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 168359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez comedi_event(dev, s); 168459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 168559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1686d163679ceec20c50f9aee880fa76c0c1185244a8Bill Pemberton/* cancel analog input command */ 16870a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int cb_pcidas_cancel(struct comedi_device *dev, 16880a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral struct comedi_subdevice *s) 168959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 169059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned long flags; 169159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 16925f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_lock_irqsave(&dev->spinlock, flags); 1693cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* disable interrupts */ 169459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->adc_fifo_bits &= ~INTE & ~EOAIE; 169559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(devpriv->adc_fifo_bits, devpriv->control_status + INT_ADCFIFO); 16965f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_unlock_irqrestore(&dev->spinlock, flags); 169759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1698cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* disable start trigger source and burst mode */ 169959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(0, devpriv->control_status + TRIG_CONTSTAT); 1700cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* software pacer source */ 170159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(0, devpriv->control_status + ADCMUX_CONT); 170259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 170359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 0; 170459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 170559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1706d163679ceec20c50f9aee880fa76c0c1185244a8Bill Pemberton/* cancel analog output command */ 1707d163679ceec20c50f9aee880fa76c0c1185244a8Bill Pembertonstatic int cb_pcidas_ao_cancel(struct comedi_device *dev, 1708d163679ceec20c50f9aee880fa76c0c1185244a8Bill Pemberton struct comedi_subdevice *s) 170959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 171059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned long flags; 171159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 17125f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_lock_irqsave(&dev->spinlock, flags); 1713cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* disable interrupts */ 171459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->adc_fifo_bits &= ~DAHFIE & ~DAEMIE; 171559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(devpriv->adc_fifo_bits, devpriv->control_status + INT_ADCFIFO); 171659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1717cf530aa4385c97f668d76c8268d509ef9edebb70Bill Pemberton /* disable output */ 171859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->ao_control_bits &= ~DACEN & ~DAC_PACER_MASK; 171959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(devpriv->ao_control_bits, devpriv->control_status + DAC_CSR); 17205f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman spin_unlock_irqrestore(&dev->spinlock, flags); 172159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 172259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 0; 172359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 172459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1725da91b2692e0939b307f9047192d2b9fe07793e7aBill Pembertonstatic void cb_pcidas_load_counters(struct comedi_device *dev, unsigned int *ns, 17260a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral int rounding_flags) 172759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 172859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez i8253_cascade_ns_to_timer_2div(TIMER_BASE, &(devpriv->divisor1), 17290a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral &(devpriv->divisor2), ns, 17300a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral rounding_flags & TRIG_ROUND_MASK); 173159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 173259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez /* Write the values of ctr1 and ctr2 into counters 1 and 2 */ 173359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez i8254_load(devpriv->pacer_counter_dio + ADC8254, 0, 1, 17340a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->divisor1, 2); 173559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez i8254_load(devpriv->pacer_counter_dio + ADC8254, 0, 2, 17360a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->divisor2, 2); 173759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 173859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1739da91b2692e0939b307f9047192d2b9fe07793e7aBill Pembertonstatic void write_calibration_bitstream(struct comedi_device *dev, 17400a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral unsigned int register_bits, 17410a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral unsigned int bitstream, 17420a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral unsigned int bitstream_length) 174359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 174459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez static const int write_delay = 1; 174559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int bit; 174659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 174759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez for (bit = 1 << (bitstream_length - 1); bit; bit >>= 1) { 174859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (bitstream & bit) 174959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez register_bits |= SERIAL_DATA_IN_BIT; 175059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez else 175159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez register_bits &= ~SERIAL_DATA_IN_BIT; 17525f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman udelay(write_delay); 175359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(register_bits, devpriv->control_status + CALIBRATION_REG); 175459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 175559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 175659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1757da91b2692e0939b307f9047192d2b9fe07793e7aBill Pembertonstatic int caldac_8800_write(struct comedi_device *dev, unsigned int address, 17580a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral uint8_t value) 175959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 176059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez static const int num_caldac_channels = 8; 176159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez static const int bitstream_length = 11; 176259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int bitstream = ((address & 0x7) << 8) | value; 17635f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman static const int caldac_8800_udelay = 1; 176459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 176559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (address >= num_caldac_channels) { 176659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez comedi_error(dev, "illegal caldac channel"); 176759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -1; 176859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 176959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 177059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (value == devpriv->caldac_value[address]) 177159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 177259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 177359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez devpriv->caldac_value[address] = value; 177459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 177559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez write_calibration_bitstream(dev, cal_enable_bits(dev), bitstream, 17760a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral bitstream_length); 177759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 17785f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman udelay(caldac_8800_udelay); 177959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(cal_enable_bits(dev) | SELECT_8800_BIT, 17800a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral devpriv->control_status + CALIBRATION_REG); 17815f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman udelay(caldac_8800_udelay); 178259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(cal_enable_bits(dev), devpriv->control_status + CALIBRATION_REG); 178359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 178459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 1; 178559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 178659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 1787da91b2692e0939b307f9047192d2b9fe07793e7aBill Pembertonstatic int trimpot_7376_write(struct comedi_device *dev, uint8_t value) 178859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 178959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez static const int bitstream_length = 7; 179059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int bitstream = value & 0x7f; 179159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int register_bits; 17925f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman static const int ad7376_udelay = 1; 179359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 179459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez register_bits = cal_enable_bits(dev) | SELECT_TRIMPOT_BIT; 17955f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman udelay(ad7376_udelay); 179659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(register_bits, devpriv->control_status + CALIBRATION_REG); 179759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 179859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez write_calibration_bitstream(dev, register_bits, bitstream, 17990a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral bitstream_length); 180059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 18015f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman udelay(ad7376_udelay); 180259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(cal_enable_bits(dev), devpriv->control_status + CALIBRATION_REG); 180359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 180459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 0; 180559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 180659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 180759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* For 1602/16 only 180859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * ch 0 : adc gain 180959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * ch 1 : adc postgain offset */ 1810da91b2692e0939b307f9047192d2b9fe07793e7aBill Pembertonstatic int trimpot_8402_write(struct comedi_device *dev, unsigned int channel, 18110a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral uint8_t value) 181259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 181359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez static const int bitstream_length = 10; 181459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int bitstream = ((channel & 0x3) << 8) | (value & 0xff); 181559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int register_bits; 18165f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman static const int ad8402_udelay = 1; 181759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 181859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez register_bits = cal_enable_bits(dev) | SELECT_TRIMPOT_BIT; 18195f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman udelay(ad8402_udelay); 182059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(register_bits, devpriv->control_status + CALIBRATION_REG); 182159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 182259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez write_calibration_bitstream(dev, register_bits, bitstream, 18230a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral bitstream_length); 182459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 18255f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman udelay(ad8402_udelay); 182659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outw(cal_enable_bits(dev), devpriv->control_status + CALIBRATION_REG); 182759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 182859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 0; 182959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 183059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 183159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinezstatic int wait_for_nvram_ready(unsigned long s5933_base_addr) 183259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 183359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez static const int timeout = 1000; 183459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned int i; 183559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 183659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez for (i = 0; i < timeout; i++) { 183759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if ((inb(s5933_base_addr + 18380a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral AMCC_OP_REG_MCSR_NVCMD) & MCSR_NV_BUSY) 18390a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral == 0) 184059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 0; 18415f74ea14c07fee91d3bdbaad88bff6264c6200e6Greg Kroah-Hartman udelay(1); 184259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez } 184359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -1; 184459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 184559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 18460a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukralstatic int nvram_read(struct comedi_device *dev, unsigned int address, 18472d238b2972bf365153ae8d699177c7a19a5f3056Andrea Gelmini uint8_t *data) 184859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez{ 184959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez unsigned long iobase = devpriv->s5933_config; 185059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 185159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (wait_for_nvram_ready(iobase) < 0) 185259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -ETIMEDOUT; 185359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 185459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outb(MCSR_NV_ENABLE | MCSR_NV_LOAD_LOW_ADDR, 18550a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral iobase + AMCC_OP_REG_MCSR_NVCMD); 185659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outb(address & 0xff, iobase + AMCC_OP_REG_MCSR_NVDATA); 185759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outb(MCSR_NV_ENABLE | MCSR_NV_LOAD_HIGH_ADDR, 18580a85b6f0ab0d2edb0d41b32697111ce0e4f43496Mithlesh Thukral iobase + AMCC_OP_REG_MCSR_NVCMD); 185959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outb((address >> 8) & 0xff, iobase + AMCC_OP_REG_MCSR_NVDATA); 186059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez outb(MCSR_NV_ENABLE | MCSR_NV_READ, iobase + AMCC_OP_REG_MCSR_NVCMD); 186159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 186259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez if (wait_for_nvram_ready(iobase) < 0) 186359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return -ETIMEDOUT; 186459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 186559c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez *data = inb(iobase + AMCC_OP_REG_MCSR_NVDATA); 186659c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 186759c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez return 0; 186859c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez} 186959c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez 187059c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez/* 187159c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * A convenient macro that defines init_module() and cleanup_module(), 187259c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez * as necessary. 187359c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan Martinez */ 187459c7dd3dc37dc42339406d08f1cde4d6194a4ccfIvan MartinezCOMEDI_PCI_INITCLEANUP(driver_cb_pcidas, cb_pcidas_pci_table); 187590f703d30dd3e0c16ff80f35e34e511385a05ad5Arun Thomas 187690f703d30dd3e0c16ff80f35e34e511385a05ad5Arun ThomasMODULE_AUTHOR("Comedi http://www.comedi.org"); 187790f703d30dd3e0c16ff80f35e34e511385a05ad5Arun ThomasMODULE_DESCRIPTION("Comedi low-level driver"); 187890f703d30dd3e0c16ff80f35e34e511385a05ad5Arun ThomasMODULE_LICENSE("GPL"); 1879