/* * octonet.c: Digital Devices network tuner driver * * Copyright (C) 2012-17 Digital Devices GmbH * Marcus Metzler * Ralph Metzler * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 only, 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., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA * Or, point your browser to http://www.gnu.org/copyleft/gpl.html */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include "ddbridge.h" #include "ddbridge-regs.h" #if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 6, 0)) #include #else #include #endif int adapter_alloc = 3; module_param(adapter_alloc, int, 0444); MODULE_PARM_DESC(adapter_alloc, "0-one adapter per io, 1-one per tab with io, 2-one per tab, 3-one for all"); static struct ddb_regmap octopus_net_map = { .irq_version = 1, .irq_base_i2c = 0, .i2c = &octopus_i2c, .i2c_buf = &octopus_i2c_buf, .input = &octopus_input, .output = &octopus_output, }; static struct ddb_regset octopus_gtl = { .base = 0x180, .num = 0x01, .size = 0x20, }; static struct ddb_regmap octopus_net_gtl = { .irq_version = 1, .irq_base_i2c = 0, .irq_base_gtl = 10, .i2c = &octopus_i2c, .i2c_buf = &octopus_i2c_buf, .input = &octopus_input, .output = &octopus_output, .gtl = &octopus_gtl, }; static struct ddb_info ddb_octonet = { .type = DDB_OCTONET, .name = "Digital Devices OctopusNet network DVB adapter", .regmap = &octopus_net_map, .port_num = 4, .i2c_mask = 0x0f, .ns_num = 12, .mdio_num = 1, }; static struct ddb_info ddb_octonet_jse = { .type = DDB_OCTONET, .name = "Digital Devices OctopusNet network DVB adapter JSE", .regmap = &octopus_net_map, .port_num = 4, .i2c_mask = 0x0f, .ns_num = 15, .mdio_num = 1, }; static struct ddb_info ddb_octonet_gtl = { .type = DDB_OCTONET, .name = "Digital Devices OctopusNet GTL", .regmap = &octopus_net_gtl, .port_num = 4, .i2c_mask = 0x05, .ns_num = 12, .mdio_num = 1, .con_clock = 1, }; static struct ddb_info ddb_octonet_tbd = { .type = DDB_OCTONET, .name = "Digital Devices OctopusNet", .regmap = &octopus_net_map, }; static void octonet_unmap(struct ddb *dev) { if (dev->regs) iounmap(dev->regs); vfree(dev); } static int __exit octonet_remove(struct platform_device *pdev) { struct ddb *dev; dev = platform_get_drvdata(pdev); ddb_device_destroy(dev); ddb_nsd_detach(dev); ddb_ports_detach(dev); ddb_i2c_release(dev); if (dev->link[0].info->ns_num) ddbwritel(dev, 0, ETHER_CONTROL); ddbwritel(dev, 0, INTERRUPT_ENABLE); free_irq(platform_get_irq(dev->pfdev, 0), dev); ddb_ports_release(dev); octonet_unmap(dev); platform_set_drvdata(pdev, 0); return 0; } static int __init octonet_probe(struct platform_device *pdev) { struct ddb *dev; struct resource *regs; int irq; dev = vzalloc(sizeof(struct ddb)); if (!dev) return -ENOMEM; platform_set_drvdata(pdev, dev); dev->dev = &pdev->dev; dev->pfdev = pdev; mutex_init(&dev->mutex); regs = platform_get_resource(dev->pfdev, IORESOURCE_MEM, 0); if (!regs) return -ENXIO; dev->regs_len = (regs->end - regs->start) + 1; dev_info(dev->dev, "regs_start=%08x regs_len=%08x\n", (u32) regs->start, (u32) dev->regs_len); dev->regs = ioremap(regs->start, dev->regs_len); if (!dev->regs) { dev_err(dev->dev, "ioremap failed\n"); return -ENOMEM; } dev->link[0].ids.hwid = ddbreadl(dev, 0); dev->link[0].ids.regmapid = ddbreadl(dev, 4); dev->link[0].ids.devid = ddbreadl(dev, 8); dev->link[0].ids.mac = ddbreadl(dev, 12); dev->link[0].ids.vendor = dev->link[0].ids.devid & 0xffff; dev->link[0].ids.device = dev->link[0].ids.devid >> 16; dev->link[0].ids.subvendor = dev->link[0].ids.devid & 0xffff; dev->link[0].ids.subdevice = dev->link[0].ids.devid >> 16; dev->link[0].dev = dev; if (dev->link[0].ids.devid == 0x0300dd01) dev->link[0].info = &ddb_octonet; else if (dev->link[0].ids.devid == 0x0301dd01) dev->link[0].info = &ddb_octonet_jse; else if (dev->link[0].ids.devid == 0x0307dd01) dev->link[0].info = &ddb_octonet_gtl; else dev->link[0].info = &ddb_octonet_tbd; pr_info("DDBridge: HW %08x REGMAP %08x\n", dev->link[0].ids.hwid, dev->link[0].ids.regmapid); pr_info("DDBridge: MAC %08x DEVID %08x\n", dev->link[0].ids.mac, dev->link[0].ids.devid); ddbwritel(dev, 0, ETHER_CONTROL); ddbwritel(dev, 0x00000000, INTERRUPT_ENABLE); ddbwritel(dev, 0xffffffff, INTERRUPT_STATUS); ddb_reset_ios(dev); irq = platform_get_irq(dev->pfdev, 0); if (irq < 0) goto fail; if (request_irq(irq, irq_handler, IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, "octonet-dvb", (void *) dev) < 0) goto fail; ddbwritel(dev, 0x0fffff0f, INTERRUPT_ENABLE); if (ddb_init(dev) == 0) return 0; fail: dev_err(dev->dev, "fail\n"); ddbwritel(dev, 0, ETHER_CONTROL); ddbwritel(dev, 0, INTERRUPT_ENABLE); octonet_unmap(dev); platform_set_drvdata(pdev, 0); return -1; } #ifdef CONFIG_OF static const struct of_device_id octonet_dt_ids[] = { { .compatible = "digitaldevices,octonet-dvb" }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, octonet_dt_ids); #endif static struct platform_driver octonet_driver = { .remove = __exit_p(octonet_remove), .probe = octonet_probe, .driver = { .name = "octonet-dvb", .owner = THIS_MODULE, #ifdef CONFIG_OF .of_match_table = of_match_ptr(octonet_dt_ids), #endif }, }; static __init int init_octonet(void) { int res; pr_info("DDBridge: Digital Devices OctopusNet driver " DDBRIDGE_VERSION ", Copyright (C) 2010-16 Digital Devices GmbH\n"); res = ddb_class_create(); if (res) return res; res = platform_driver_probe(&octonet_driver, octonet_probe); if (res) { ddb_class_destroy(); return res; } return 0; } static __exit void exit_octonet(void) { platform_driver_unregister(&octonet_driver); ddb_class_destroy(); } module_init(init_octonet); module_exit(exit_octonet); MODULE_DESCRIPTION("GPL"); MODULE_AUTHOR("Marcus and Ralph Metzler, Metzler Brothers Systementwicklung GbR"); MODULE_LICENSE("GPL"); MODULE_VERSION("0.6");