mirror of
https://github.com/DigitalDevices/dddvb.git
synced 2025-03-01 10:35:23 +00:00
264 lines
6.4 KiB
C
264 lines
6.4 KiB
C
/*
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* octonet.c: Digital Devices network tuner driver
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*
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* Copyright (C) 2012-15 Digital Devices GmbH
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* Marcus Metzler <mocm@metzlerbros.de>
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* Ralph Metzler <rjkm@metzlerbros.de>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 only, as published by the Free Software Foundation.
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*
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA
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* Or, point your browser to http://www.gnu.org/copyleft/gpl.html
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*/
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#include "ddbridge.h"
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#include "ddbridge-regs.h"
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#include <linux/pci-dma-compat.h>
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static int adapter_alloc = 3;
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module_param(adapter_alloc, int, 0444);
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MODULE_PARM_DESC(adapter_alloc,
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"0-one adapter per io, 1-one per tab with io, 2-one per tab, 3-one for all");
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#include "ddbridge-core.c"
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static struct ddb_regset octopus_i2c = {
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.base = 0x80,
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.num = 0x04,
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.size = 0x20,
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};
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static struct ddb_regset octopus_i2c_buf = {
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.base = 0x1000,
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.num = 0x04,
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.size = 0x200,
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};
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static struct ddb_regmap octopus_net_map = {
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.i2c = &octopus_i2c,
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.i2c_buf = &octopus_i2c_buf,
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};
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static struct ddb_regset octopus_gtl = {
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.base = 0x180,
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.num = 0x01,
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.size = 0x20,
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};
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static struct ddb_regmap octopus_net_gtl = {
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.i2c = &octopus_i2c,
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.i2c_buf = &octopus_i2c_buf,
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.gtl = &octopus_gtl,
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};
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static struct ddb_info ddb_octonet = {
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.type = DDB_OCTONET,
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.name = "Digital Devices OctopusNet network DVB adapter",
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.regmap = &octopus_net_map,
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.port_num = 4,
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.i2c_mask = 0x0f,
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.ns_num = 12,
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.mdio_num = 1,
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};
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static struct ddb_info ddb_octonet_jse = {
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.type = DDB_OCTONET,
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.name = "Digital Devices OctopusNet network DVB adapter JSE",
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.regmap = &octopus_net_map,
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.port_num = 4,
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.i2c_mask = 0x0f,
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.ns_num = 15,
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.mdio_num = 1,
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};
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static struct ddb_info ddb_octonet_gtl = {
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.type = DDB_OCTONET,
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.name = "Digital Devices OctopusNet GTL",
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.regmap = &octopus_net_gtl,
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.port_num = 4,
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.i2c_mask = 0x05,
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.ns_num = 12,
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.mdio_num = 1,
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.con_clock = 1,
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};
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static struct ddb_info ddb_octonet_tbd = {
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.type = DDB_OCTONET,
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.name = "Digital Devices OctopusNet",
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.regmap = &octopus_net_map,
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};
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static void octonet_unmap(struct ddb *dev)
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{
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if (dev->regs)
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iounmap(dev->regs);
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vfree(dev);
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}
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static int __exit octonet_remove(struct platform_device *pdev)
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{
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struct ddb *dev;
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dev = platform_get_drvdata(pdev);
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ddb_device_destroy(dev);
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ddb_nsd_detach(dev);
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ddb_ports_detach(dev);
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ddb_i2c_release(dev);
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if (dev->link[0].info->ns_num)
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ddbwritel(dev, 0, ETHER_CONTROL);
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ddbwritel(dev, 0, INTERRUPT_ENABLE);
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free_irq(platform_get_irq(dev->pfdev, 0), dev);
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ddb_ports_release(dev);
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octonet_unmap(dev);
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platform_set_drvdata(pdev, 0);
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return 0;
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}
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static int __init octonet_probe(struct platform_device *pdev)
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{
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struct ddb *dev;
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struct resource *regs;
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int irq;
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int i;
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dev = vzalloc(sizeof(struct ddb));
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if (!dev)
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return -ENOMEM;
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platform_set_drvdata(pdev, dev);
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dev->dev = &pdev->dev;
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dev->pfdev = pdev;
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mutex_init(&dev->mutex);
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regs = platform_get_resource(dev->pfdev, IORESOURCE_MEM, 0);
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if (!regs)
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return -ENXIO;
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dev->regs_len = (regs->end - regs->start) + 1;
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dev_info(dev->dev, "regs_start=%08x regs_len=%08x\n",
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(u32) regs->start, (u32) dev->regs_len);
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dev->regs = ioremap(regs->start, dev->regs_len);
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if (!dev->regs) {
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dev_err(dev->dev, "ioremap failed\n");
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return -ENOMEM;
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}
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dev->link[0].ids.hwid = ddbreadl(dev, 0);
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dev->link[0].ids.regmapid = ddbreadl(dev, 4);
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dev->link[0].ids.devid = ddbreadl(dev, 8);
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dev->link[0].ids.mac = ddbreadl(dev, 12);
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dev->link[0].ids.vendor = dev->link[0].ids.devid & 0xffff;
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dev->link[0].ids.device = dev->link[0].ids.devid >> 16;
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dev->link[0].ids.subvendor = dev->link[0].ids.devid & 0xffff;
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dev->link[0].ids.subdevice = dev->link[0].ids.devid >> 16;
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dev->link[0].dev = dev;
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if (dev->link[0].ids.devid == 0x0300dd01)
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dev->link[0].info = &ddb_octonet;
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else if (dev->link[0].ids.devid == 0x0301dd01)
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dev->link[0].info = &ddb_octonet_jse;
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else if (dev->link[0].ids.devid == 0x0307dd01)
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dev->link[0].info = &ddb_octonet_gtl;
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else
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dev->link[0].info = &ddb_octonet_tbd;
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pr_info("HW %08x REGMAP %08x\n",
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dev->link[0].ids.hwid, dev->link[0].ids.regmapid);
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pr_info("MAC %08x DEVID %08x\n",
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dev->link[0].ids.mac, dev->link[0].ids.devid);
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ddbwritel(dev, 0, ETHER_CONTROL);
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ddbwritel(dev, 0x00000000, INTERRUPT_ENABLE);
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ddbwritel(dev, 0xffffffff, INTERRUPT_STATUS);
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for (i = 0; i < 16; i++)
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ddbwritel(dev, 0x00, TS_OUTPUT_CONTROL(i));
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usleep_range(5000, 6000);
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irq = platform_get_irq(dev->pfdev, 0);
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if (irq < 0)
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goto fail;
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if (request_irq(irq, irq_handler,
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IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
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"octonet-dvb", (void *) dev) < 0)
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goto fail;
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ddbwritel(dev, 0x0fffff0f, INTERRUPT_ENABLE);
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if (ddb_init(dev) == 0)
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return 0;
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fail:
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dev_err(dev->dev, "fail\n");
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ddbwritel(dev, 0, ETHER_CONTROL);
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ddbwritel(dev, 0, INTERRUPT_ENABLE);
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octonet_unmap(dev);
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platform_set_drvdata(pdev, 0);
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return -1;
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}
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#ifdef CONFIG_OF
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static const struct of_device_id octonet_dt_ids[] = {
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{ .compatible = "digitaldevices,octonet-dvb" },
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{ /* sentinel */ }
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};
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MODULE_DEVICE_TABLE(of, octonet_dt_ids);
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#endif
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static struct platform_driver octonet_driver = {
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.remove = __exit_p(octonet_remove),
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.probe = octonet_probe,
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.driver = {
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.name = "octonet-dvb",
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.owner = THIS_MODULE,
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#ifdef CONFIG_OF
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.of_match_table = of_match_ptr(octonet_dt_ids),
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#endif
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},
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};
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static __init int init_octonet(void)
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{
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int res;
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pr_info("Digital Devices OctopusNet driver " DDBRIDGE_VERSION
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", Copyright (C) 2010-15 Digital Devices GmbH\n");
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res = ddb_class_create();
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if (res)
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return res;
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res = platform_driver_probe(&octonet_driver, octonet_probe);
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if (res) {
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ddb_class_destroy();
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return res;
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}
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return 0;
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}
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static __exit void exit_octonet(void)
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{
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platform_driver_unregister(&octonet_driver);
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ddb_class_destroy();
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}
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module_init(init_octonet);
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module_exit(exit_octonet);
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MODULE_DESCRIPTION("GPL");
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MODULE_AUTHOR("Marcus and Ralph Metzler, Metzler Brothers Systementwicklung GbR");
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MODULE_LICENSE("GPL");
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MODULE_VERSION("0.6");
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