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linux/drivers/net/can/softing/softing_cs.c
Thomas Gleixner 35e62ae830 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 344 
Based on 1 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the version 2 of the gnu general public
  license as published by the free software foundation 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 you should have received a copy of the gnu general
  public license along with this program if not see http www gnu org
  licenses

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 15 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190530000437.427740574@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-05 17:37:07 +02:00

336 lines
8.8 KiB
C
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2008-2010
*
* - Kurt Van Dijck, EIA Electronics
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <pcmcia/cistpl.h>
#include <pcmcia/ds.h>
#include "softing_platform.h"
static int softingcs_index;
static DEFINE_SPINLOCK(softingcs_index_lock);
static int softingcs_reset(struct platform_device *pdev, int v);
static int softingcs_enable_irq(struct platform_device *pdev, int v);
/*
* platform_data descriptions
*/
#define MHZ (1000*1000)
static const struct softing_platform_data softingcs_platform_data[] = {
{
.name = "CANcard",
.manf = 0x0168, .prod = 0x001,
.generation = 1,
.nbus = 2,
.freq = 16 * MHZ, .max_brp = 32, .max_sjw = 4,
.dpram_size = 0x0800,
.boot = {0x0000, 0x000000, fw_dir "bcard.bin",},
.load = {0x0120, 0x00f600, fw_dir "ldcard.bin",},
.app = {0x0010, 0x0d0000, fw_dir "cancard.bin",},
.reset = softingcs_reset,
.enable_irq = softingcs_enable_irq,
}, {
.name = "CANcard-NEC",
.manf = 0x0168, .prod = 0x002,
.generation = 1,
.nbus = 2,
.freq = 16 * MHZ, .max_brp = 32, .max_sjw = 4,
.dpram_size = 0x0800,
.boot = {0x0000, 0x000000, fw_dir "bcard.bin",},
.load = {0x0120, 0x00f600, fw_dir "ldcard.bin",},
.app = {0x0010, 0x0d0000, fw_dir "cancard.bin",},
.reset = softingcs_reset,
.enable_irq = softingcs_enable_irq,
}, {
.name = "CANcard-SJA",
.manf = 0x0168, .prod = 0x004,
.generation = 1,
.nbus = 2,
.freq = 20 * MHZ, .max_brp = 32, .max_sjw = 4,
.dpram_size = 0x0800,
.boot = {0x0000, 0x000000, fw_dir "bcard.bin",},
.load = {0x0120, 0x00f600, fw_dir "ldcard.bin",},
.app = {0x0010, 0x0d0000, fw_dir "cansja.bin",},
.reset = softingcs_reset,
.enable_irq = softingcs_enable_irq,
}, {
.name = "CANcard-2",
.manf = 0x0168, .prod = 0x005,
.generation = 2,
.nbus = 2,
.freq = 24 * MHZ, .max_brp = 64, .max_sjw = 4,
.dpram_size = 0x1000,
.boot = {0x0000, 0x000000, fw_dir "bcard2.bin",},
.load = {0x0120, 0x00f600, fw_dir "ldcard2.bin",},
.app = {0x0010, 0x0d0000, fw_dir "cancrd2.bin",},
.reset = softingcs_reset,
.enable_irq = NULL,
}, {
.name = "Vector-CANcard",
.manf = 0x0168, .prod = 0x081,
.generation = 1,
.nbus = 2,
.freq = 16 * MHZ, .max_brp = 64, .max_sjw = 4,
.dpram_size = 0x0800,
.boot = {0x0000, 0x000000, fw_dir "bcard.bin",},
.load = {0x0120, 0x00f600, fw_dir "ldcard.bin",},
.app = {0x0010, 0x0d0000, fw_dir "cancard.bin",},
.reset = softingcs_reset,
.enable_irq = softingcs_enable_irq,
}, {
.name = "Vector-CANcard-SJA",
.manf = 0x0168, .prod = 0x084,
.generation = 1,
.nbus = 2,
.freq = 20 * MHZ, .max_brp = 32, .max_sjw = 4,
.dpram_size = 0x0800,
.boot = {0x0000, 0x000000, fw_dir "bcard.bin",},
.load = {0x0120, 0x00f600, fw_dir "ldcard.bin",},
.app = {0x0010, 0x0d0000, fw_dir "cansja.bin",},
.reset = softingcs_reset,
.enable_irq = softingcs_enable_irq,
}, {
.name = "Vector-CANcard-2",
.manf = 0x0168, .prod = 0x085,
.generation = 2,
.nbus = 2,
.freq = 24 * MHZ, .max_brp = 64, .max_sjw = 4,
.dpram_size = 0x1000,
.boot = {0x0000, 0x000000, fw_dir "bcard2.bin",},
.load = {0x0120, 0x00f600, fw_dir "ldcard2.bin",},
.app = {0x0010, 0x0d0000, fw_dir "cancrd2.bin",},
.reset = softingcs_reset,
.enable_irq = NULL,
}, {
.name = "EDICcard-NEC",
.manf = 0x0168, .prod = 0x102,
.generation = 1,
.nbus = 2,
.freq = 16 * MHZ, .max_brp = 64, .max_sjw = 4,
.dpram_size = 0x0800,
.boot = {0x0000, 0x000000, fw_dir "bcard.bin",},
.load = {0x0120, 0x00f600, fw_dir "ldcard.bin",},
.app = {0x0010, 0x0d0000, fw_dir "cancard.bin",},
.reset = softingcs_reset,
.enable_irq = softingcs_enable_irq,
}, {
.name = "EDICcard-2",
.manf = 0x0168, .prod = 0x105,
.generation = 2,
.nbus = 2,
.freq = 24 * MHZ, .max_brp = 64, .max_sjw = 4,
.dpram_size = 0x1000,
.boot = {0x0000, 0x000000, fw_dir "bcard2.bin",},
.load = {0x0120, 0x00f600, fw_dir "ldcard2.bin",},
.app = {0x0010, 0x0d0000, fw_dir "cancrd2.bin",},
.reset = softingcs_reset,
.enable_irq = NULL,
}, {
0, 0,
},
};
MODULE_FIRMWARE(fw_dir "bcard.bin");
MODULE_FIRMWARE(fw_dir "ldcard.bin");
MODULE_FIRMWARE(fw_dir "cancard.bin");
MODULE_FIRMWARE(fw_dir "cansja.bin");
MODULE_FIRMWARE(fw_dir "bcard2.bin");
MODULE_FIRMWARE(fw_dir "ldcard2.bin");
MODULE_FIRMWARE(fw_dir "cancrd2.bin");
static const struct softing_platform_data
*softingcs_find_platform_data(unsigned int manf, unsigned int prod)
{
const struct softing_platform_data *lp;
for (lp = softingcs_platform_data; lp->manf; ++lp) {
if ((lp->manf == manf) && (lp->prod == prod))
return lp;
}
return NULL;
}
/*
* platformdata callbacks
*/
static int softingcs_reset(struct platform_device *pdev, int v)
{
struct pcmcia_device *pcmcia = to_pcmcia_dev(pdev->dev.parent);
dev_dbg(&pdev->dev, "pcmcia config [2] %02x\n", v ? 0 : 0x20);
return pcmcia_write_config_byte(pcmcia, 2, v ? 0 : 0x20);
}
static int softingcs_enable_irq(struct platform_device *pdev, int v)
{
struct pcmcia_device *pcmcia = to_pcmcia_dev(pdev->dev.parent);
dev_dbg(&pdev->dev, "pcmcia config [0] %02x\n", v ? 0x60 : 0);
return pcmcia_write_config_byte(pcmcia, 0, v ? 0x60 : 0);
}
/*
* pcmcia check
*/
static int softingcs_probe_config(struct pcmcia_device *pcmcia, void *priv_data)
{
struct softing_platform_data *pdat = priv_data;
struct resource *pres;
int memspeed = 0;
WARN_ON(!pdat);
pres = pcmcia->resource[PCMCIA_IOMEM_0];
if (resource_size(pres) < 0x1000)
return -ERANGE;
pres->flags |= WIN_MEMORY_TYPE_CM | WIN_ENABLE;
if (pdat->generation < 2) {
pres->flags |= WIN_USE_WAIT | WIN_DATA_WIDTH_8;
memspeed = 3;
} else {
pres->flags |= WIN_DATA_WIDTH_16;
}
return pcmcia_request_window(pcmcia, pres, memspeed);
}
static void softingcs_remove(struct pcmcia_device *pcmcia)
{
struct platform_device *pdev = pcmcia->priv;
/* free bits */
platform_device_unregister(pdev);
/* release pcmcia stuff */
pcmcia_disable_device(pcmcia);
}
/*
* platform_device wrapper
* pdev->resource has 2 entries: io & irq
*/
static void softingcs_pdev_release(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
kfree(pdev);
}
static int softingcs_probe(struct pcmcia_device *pcmcia)
{
int ret;
struct platform_device *pdev;
const struct softing_platform_data *pdat;
struct resource *pres;
struct dev {
struct platform_device pdev;
struct resource res[2];
} *dev;
/* find matching platform_data */
pdat = softingcs_find_platform_data(pcmcia->manf_id, pcmcia->card_id);
if (!pdat)
return -ENOTTY;
/* setup pcmcia device */
pcmcia->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IOMEM |
CONF_AUTO_SET_VPP | CONF_AUTO_CHECK_VCC;
ret = pcmcia_loop_config(pcmcia, softingcs_probe_config, (void *)pdat);
if (ret)
goto pcmcia_failed;
ret = pcmcia_enable_device(pcmcia);
if (ret < 0)
goto pcmcia_failed;
pres = pcmcia->resource[PCMCIA_IOMEM_0];
if (!pres) {
ret = -EBADF;
goto pcmcia_bad;
}
/* create softing platform device */
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev) {
ret = -ENOMEM;
goto mem_failed;
}
dev->pdev.resource = dev->res;
dev->pdev.num_resources = ARRAY_SIZE(dev->res);
dev->pdev.dev.release = softingcs_pdev_release;
pdev = &dev->pdev;
pdev->dev.platform_data = (void *)pdat;
pdev->dev.parent = &pcmcia->dev;
pcmcia->priv = pdev;
/* platform device resources */
pdev->resource[0].flags = IORESOURCE_MEM;
pdev->resource[0].start = pres->start;
pdev->resource[0].end = pres->end;
pdev->resource[1].flags = IORESOURCE_IRQ;
pdev->resource[1].start = pcmcia->irq;
pdev->resource[1].end = pdev->resource[1].start;
/* platform device setup */
spin_lock(&softingcs_index_lock);
pdev->id = softingcs_index++;
spin_unlock(&softingcs_index_lock);
pdev->name = "softing";
dev_set_name(&pdev->dev, "softingcs.%i", pdev->id);
ret = platform_device_register(pdev);
if (ret < 0)
goto platform_failed;
dev_info(&pcmcia->dev, "created %s\n", dev_name(&pdev->dev));
return 0;
platform_failed:
kfree(dev);
mem_failed:
pcmcia_bad:
pcmcia_failed:
pcmcia_disable_device(pcmcia);
pcmcia->priv = NULL;
return ret;
}
static const struct pcmcia_device_id softingcs_ids[] = {
/* softing */
PCMCIA_DEVICE_MANF_CARD(0x0168, 0x0001),
PCMCIA_DEVICE_MANF_CARD(0x0168, 0x0002),
PCMCIA_DEVICE_MANF_CARD(0x0168, 0x0004),
PCMCIA_DEVICE_MANF_CARD(0x0168, 0x0005),
/* vector, manufacturer? */
PCMCIA_DEVICE_MANF_CARD(0x0168, 0x0081),
PCMCIA_DEVICE_MANF_CARD(0x0168, 0x0084),
PCMCIA_DEVICE_MANF_CARD(0x0168, 0x0085),
/* EDIC */
PCMCIA_DEVICE_MANF_CARD(0x0168, 0x0102),
PCMCIA_DEVICE_MANF_CARD(0x0168, 0x0105),
PCMCIA_DEVICE_NULL,
};
MODULE_DEVICE_TABLE(pcmcia, softingcs_ids);
static struct pcmcia_driver softingcs_driver = {
.owner = THIS_MODULE,
.name = "softingcs",
.id_table = softingcs_ids,
.probe = softingcs_probe,
.remove = softingcs_remove,
};
module_pcmcia_driver(softingcs_driver);
MODULE_DESCRIPTION("softing CANcard driver"
", links PCMCIA card to softing driver");
MODULE_LICENSE("GPL v2");
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