| /* |
| comedi/drivers/ni_mio_cs.c |
| Hardware driver for NI PCMCIA MIO E series cards |
| |
| COMEDI - Linux Control and Measurement Device Interface |
| Copyright (C) 1997-2000 David A. Schleef <ds@schleef.org> |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| */ |
| /* |
| Driver: ni_mio_cs |
| Description: National Instruments DAQCard E series |
| Author: ds |
| Status: works |
| Devices: [National Instruments] DAQCard-AI-16XE-50 (ni_mio_cs), |
| DAQCard-AI-16E-4, DAQCard-6062E, DAQCard-6024E, DAQCard-6036E |
| Updated: Thu Oct 23 19:43:17 CDT 2003 |
| |
| See the notes in the ni_atmio.o driver. |
| */ |
| /* |
| The real guts of the driver is in ni_mio_common.c, which is |
| included by all the E series drivers. |
| |
| References for specifications: |
| |
| 341080a.pdf DAQCard E Series Register Level Programmer Manual |
| |
| */ |
| |
| #include <linux/module.h> |
| #include "../comedidev.h" |
| |
| #include <linux/delay.h> |
| |
| #include "ni_stc.h" |
| #include "8255.h" |
| |
| #include <pcmcia/cistpl.h> |
| #include <pcmcia/ds.h> |
| |
| #define ATMIO 1 |
| #undef PCIMIO |
| |
| /* |
| * AT specific setup |
| */ |
| |
| #define NI_SIZE 0x20 |
| |
| #define MAX_N_CALDACS 32 |
| |
| static const struct ni_board_struct ni_boards[] = { |
| { |
| .device_id = 0x010d, |
| .name = "DAQCard-ai-16xe-50", |
| .n_adchan = 16, |
| .adbits = 16, |
| .ai_fifo_depth = 1024, |
| .gainlkup = ai_gain_8, |
| .ai_speed = 5000, |
| .num_p0_dio_channels = 8, |
| .caldac = { dac8800, dac8043 }, |
| }, { |
| .device_id = 0x010c, |
| .name = "DAQCard-ai-16e-4", |
| .n_adchan = 16, |
| .adbits = 12, |
| .ai_fifo_depth = 1024, |
| .gainlkup = ai_gain_16, |
| .ai_speed = 4000, |
| .num_p0_dio_channels = 8, |
| .caldac = { mb88341 }, /* verified */ |
| }, { |
| .device_id = 0x02c4, |
| .name = "DAQCard-6062E", |
| .n_adchan = 16, |
| .adbits = 12, |
| .ai_fifo_depth = 8192, |
| .gainlkup = ai_gain_16, |
| .ai_speed = 2000, |
| .n_aochan = 2, |
| .aobits = 12, |
| .ao_fifo_depth = 2048, |
| .ao_range_table = &range_bipolar10, |
| .ao_speed = 1176, |
| .num_p0_dio_channels = 8, |
| .caldac = { ad8804_debug }, /* verified */ |
| }, { |
| /* specs incorrect! */ |
| .device_id = 0x075e, |
| .name = "DAQCard-6024E", |
| .n_adchan = 16, |
| .adbits = 12, |
| .ai_fifo_depth = 1024, |
| .gainlkup = ai_gain_4, |
| .ai_speed = 5000, |
| .n_aochan = 2, |
| .aobits = 12, |
| .ao_range_table = &range_bipolar10, |
| .ao_speed = 1000000, |
| .num_p0_dio_channels = 8, |
| .caldac = { ad8804_debug }, |
| }, { |
| /* specs incorrect! */ |
| .device_id = 0x0245, |
| .name = "DAQCard-6036E", |
| .n_adchan = 16, |
| .adbits = 16, |
| .ai_fifo_depth = 1024, |
| .alwaysdither = 1, |
| .gainlkup = ai_gain_4, |
| .ai_speed = 5000, |
| .n_aochan = 2, |
| .aobits = 16, |
| .ao_range_table = &range_bipolar10, |
| .ao_speed = 1000000, |
| .num_p0_dio_channels = 8, |
| .caldac = { ad8804_debug }, |
| }, |
| #if 0 |
| { |
| .device_id = 0x0000, /* unknown */ |
| .name = "DAQCard-6715", |
| .n_aochan = 8, |
| .aobits = 12, |
| .ao_671x = 8192, |
| .num_p0_dio_channels = 8, |
| .caldac = { mb88341, mb88341 }, |
| }, |
| #endif |
| }; |
| |
| #define interrupt_pin(a) 0 |
| |
| #define IRQ_POLARITY 1 |
| |
| struct ni_private { |
| |
| struct pcmcia_device *link; |
| |
| NI_PRIVATE_COMMON}; |
| |
| /* How we access registers */ |
| |
| #define ni_writel(a, b) (outl((a), (b)+dev->iobase)) |
| #define ni_readl(a) (inl((a)+dev->iobase)) |
| #define ni_writew(a, b) (outw((a), (b)+dev->iobase)) |
| #define ni_readw(a) (inw((a)+dev->iobase)) |
| #define ni_writeb(a, b) (outb((a), (b)+dev->iobase)) |
| #define ni_readb(a) (inb((a)+dev->iobase)) |
| |
| /* How we access windowed registers */ |
| |
| /* We automatically take advantage of STC registers that can be |
| * read/written directly in the I/O space of the board. The |
| * DAQCard devices map the low 8 STC registers to iobase+addr*2. */ |
| |
| static void mio_cs_win_out(struct comedi_device *dev, uint16_t data, int addr) |
| { |
| struct ni_private *devpriv = dev->private; |
| unsigned long flags; |
| |
| spin_lock_irqsave(&devpriv->window_lock, flags); |
| if (addr < 8) { |
| ni_writew(data, addr * 2); |
| } else { |
| ni_writew(addr, Window_Address); |
| ni_writew(data, Window_Data); |
| } |
| spin_unlock_irqrestore(&devpriv->window_lock, flags); |
| } |
| |
| static uint16_t mio_cs_win_in(struct comedi_device *dev, int addr) |
| { |
| struct ni_private *devpriv = dev->private; |
| unsigned long flags; |
| uint16_t ret; |
| |
| spin_lock_irqsave(&devpriv->window_lock, flags); |
| if (addr < 8) { |
| ret = ni_readw(addr * 2); |
| } else { |
| ni_writew(addr, Window_Address); |
| ret = ni_readw(Window_Data); |
| } |
| spin_unlock_irqrestore(&devpriv->window_lock, flags); |
| |
| return ret; |
| } |
| |
| #include "ni_mio_common.c" |
| |
| static const void *ni_getboardtype(struct comedi_device *dev, |
| struct pcmcia_device *link) |
| { |
| static const struct ni_board_struct *board; |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(ni_boards); i++) { |
| board = &ni_boards[i]; |
| if (board->device_id == link->card_id) |
| return board; |
| } |
| return NULL; |
| } |
| |
| static int mio_pcmcia_config_loop(struct pcmcia_device *p_dev, void *priv_data) |
| { |
| int base, ret; |
| |
| p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH; |
| p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_16; |
| |
| for (base = 0x000; base < 0x400; base += 0x20) { |
| p_dev->resource[0]->start = base; |
| ret = pcmcia_request_io(p_dev); |
| if (!ret) |
| return 0; |
| } |
| return -ENODEV; |
| } |
| |
| static int mio_cs_auto_attach(struct comedi_device *dev, |
| unsigned long context) |
| { |
| struct pcmcia_device *link = comedi_to_pcmcia_dev(dev); |
| static const struct ni_board_struct *board; |
| struct ni_private *devpriv; |
| int ret; |
| |
| board = ni_getboardtype(dev, link); |
| if (!board) |
| return -ENODEV; |
| dev->board_ptr = board; |
| dev->board_name = board->name; |
| |
| link->config_flags |= CONF_AUTO_SET_IO | CONF_ENABLE_IRQ; |
| ret = comedi_pcmcia_enable(dev, mio_pcmcia_config_loop); |
| if (ret) |
| return ret; |
| dev->iobase = link->resource[0]->start; |
| |
| link->priv = dev; |
| ret = pcmcia_request_irq(link, ni_E_interrupt); |
| if (ret) |
| return ret; |
| dev->irq = link->irq; |
| |
| ret = ni_alloc_private(dev); |
| if (ret) |
| return ret; |
| |
| devpriv = dev->private; |
| devpriv->stc_writew = mio_cs_win_out; |
| devpriv->stc_readw = mio_cs_win_in; |
| devpriv->stc_writel = win_out2; |
| devpriv->stc_readl = win_in2; |
| |
| return ni_E_init(dev); |
| } |
| |
| static void mio_cs_detach(struct comedi_device *dev) |
| { |
| mio_common_detach(dev); |
| comedi_pcmcia_disable(dev); |
| } |
| |
| static struct comedi_driver driver_ni_mio_cs = { |
| .driver_name = "ni_mio_cs", |
| .module = THIS_MODULE, |
| .auto_attach = mio_cs_auto_attach, |
| .detach = mio_cs_detach, |
| }; |
| |
| static int cs_attach(struct pcmcia_device *link) |
| { |
| return comedi_pcmcia_auto_config(link, &driver_ni_mio_cs); |
| } |
| |
| static const struct pcmcia_device_id ni_mio_cs_ids[] = { |
| PCMCIA_DEVICE_MANF_CARD(0x010b, 0x010d), /* DAQCard-ai-16xe-50 */ |
| PCMCIA_DEVICE_MANF_CARD(0x010b, 0x010c), /* DAQCard-ai-16e-4 */ |
| PCMCIA_DEVICE_MANF_CARD(0x010b, 0x02c4), /* DAQCard-6062E */ |
| PCMCIA_DEVICE_MANF_CARD(0x010b, 0x075e), /* DAQCard-6024E */ |
| PCMCIA_DEVICE_MANF_CARD(0x010b, 0x0245), /* DAQCard-6036E */ |
| PCMCIA_DEVICE_NULL |
| }; |
| MODULE_DEVICE_TABLE(pcmcia, ni_mio_cs_ids); |
| |
| static struct pcmcia_driver ni_mio_cs_driver = { |
| .name = "ni_mio_cs", |
| .owner = THIS_MODULE, |
| .id_table = ni_mio_cs_ids, |
| .probe = cs_attach, |
| .remove = comedi_pcmcia_auto_unconfig, |
| }; |
| module_comedi_pcmcia_driver(driver_ni_mio_cs, ni_mio_cs_driver); |
| |
| MODULE_DESCRIPTION("Comedi driver for National Instruments DAQCard E series"); |
| MODULE_AUTHOR("David A. Schleef <ds@schleef.org>"); |
| MODULE_LICENSE("GPL"); |