cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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ni_labpc_cs.c (3323B)

      1// SPDX-License-Identifier: GPL-2.0+
      2/*
      3 * Driver for National Instruments daqcard-1200 boards
      4 * Copyright (C) 2001, 2002, 2003 Frank Mori Hess <fmhess@users.sourceforge.net>
      5 *
      6 * PCMCIA crap is adapted from dummy_cs.c 1.31 2001/08/24 12:13:13
      7 * from the pcmcia package.
      8 * The initial developer of the pcmcia dummy_cs.c code is David A. Hinds
      9 * <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
     10 * are Copyright (C) 1999 David A. Hinds.
     11 */
     12
     13/*
     14 * Driver: ni_labpc_cs
     15 * Description: National Instruments Lab-PC (& compatibles)
     16 * Author: Frank Mori Hess <fmhess@users.sourceforge.net>
     17 * Devices: [National Instruments] DAQCard-1200 (daqcard-1200)
     18 * Status: works
     19 *
     20 * Thanks go to Fredrik Lingvall for much testing and perseverance in
     21 * helping to debug daqcard-1200 support.
     22 *
     23 * The 1200 series boards have onboard calibration dacs for correcting
     24 * analog input/output offsets and gains. The proper settings for these
     25 * caldacs are stored on the board's eeprom. To read the caldac values
     26 * from the eeprom and store them into a file that can be then be used by
     27 * comedilib, use the comedi_calibrate program.
     28 *
     29 * Configuration options: none
     30 *
     31 * The daqcard-1200 has quirky chanlist requirements when scanning multiple
     32 * channels. Multiple channel scan sequence must start at highest channel,
     33 * then decrement down to channel 0.  Chanlists consisting of all one channel
     34 * are also legal, and allow you to pace conversions in bursts.
     35 *
     36 * NI manuals:
     37 *   340988a (daqcard-1200)
     38 */
     39
     40#include <linux/module.h>
     41#include <linux/comedi/comedi_pcmcia.h>
     42
     43#include "ni_labpc.h"
     44
     45static const struct labpc_boardinfo labpc_cs_boards[] = {
     46	{
     47		.name			= "daqcard-1200",
     48		.ai_speed		= 10000,
     49		.has_ao			= 1,
     50		.is_labpc1200		= 1,
     51	},
     52};
     53
     54static int labpc_cs_auto_attach(struct comedi_device *dev,
     55				unsigned long context)
     56{
     57	struct pcmcia_device *link = comedi_to_pcmcia_dev(dev);
     58	int ret;
     59
     60	/* The ni_labpc driver needs the board_ptr */
     61	dev->board_ptr = &labpc_cs_boards[0];
     62
     63	link->config_flags |= CONF_AUTO_SET_IO |
     64			      CONF_ENABLE_IRQ | CONF_ENABLE_PULSE_IRQ;
     65	ret = comedi_pcmcia_enable(dev, NULL);
     66	if (ret)
     67		return ret;
     68	dev->iobase = link->resource[0]->start;
     69
     70	if (!link->irq)
     71		return -EINVAL;
     72
     73	return labpc_common_attach(dev, link->irq, IRQF_SHARED);
     74}
     75
     76static void labpc_cs_detach(struct comedi_device *dev)
     77{
     78	labpc_common_detach(dev);
     79	comedi_pcmcia_disable(dev);
     80}
     81
     82static struct comedi_driver driver_labpc_cs = {
     83	.driver_name	= "ni_labpc_cs",
     84	.module		= THIS_MODULE,
     85	.auto_attach	= labpc_cs_auto_attach,
     86	.detach		= labpc_cs_detach,
     87};
     88
     89static int labpc_cs_attach(struct pcmcia_device *link)
     90{
     91	return comedi_pcmcia_auto_config(link, &driver_labpc_cs);
     92}
     93
     94static const struct pcmcia_device_id labpc_cs_ids[] = {
     95	PCMCIA_DEVICE_MANF_CARD(0x010b, 0x0103),	/* daqcard-1200 */
     96	PCMCIA_DEVICE_NULL
     97};
     98MODULE_DEVICE_TABLE(pcmcia, labpc_cs_ids);
     99
    100static struct pcmcia_driver labpc_cs_driver = {
    101	.name		= "daqcard-1200",
    102	.owner		= THIS_MODULE,
    103	.id_table	= labpc_cs_ids,
    104	.probe		= labpc_cs_attach,
    105	.remove		= comedi_pcmcia_auto_unconfig,
    106};
    107module_comedi_pcmcia_driver(driver_labpc_cs, labpc_cs_driver);
    108
    109MODULE_DESCRIPTION("Comedi driver for National Instruments Lab-PC");
    110MODULE_AUTHOR("Frank Mori Hess <fmhess@users.sourceforge.net>");
    111MODULE_LICENSE("GPL");