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