/* * 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, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include #include #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");