|  | /* | 
|  | * Copyright (C) 2008-2010 | 
|  | * | 
|  | * - Kurt Van Dijck, EIA Electronics | 
|  | * | 
|  | * 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/>. | 
|  | */ | 
|  |  | 
|  | #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 ?: -ENODEV; | 
|  | } | 
|  |  | 
|  | 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"); |