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dddvb/ddbridge/ddbridge.c

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/*
* ddbridge.c: Digital Devices PCIe bridge driver
*
* Copyright (C) 2010-2015 Digital Devices GmbH
* Ralph Metzler <rjkm@metzlerbros.de>
* Marcus Metzler <mocm@metzlerbros.de>
*
*
* 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
*/
/*#define DDB_ALT_DMA*/
#define DDB_USE_WORK
/*#define DDB_TEST_THREADED*/
#include "ddbridge.h"
#include "ddbridge-regs.h"
static struct workqueue_struct *ddb_wq;
static int adapter_alloc;
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");
#ifdef CONFIG_PCI_MSI
static int msi = 1;
module_param(msi, int, 0444);
MODULE_PARM_DESC(msi,
" Control MSI interrupts: 0-disable, 1-enable (default)");
#endif
#include "ddbridge-core.c"
/****************************************************************************/
/****************************************************************************/
/****************************************************************************/
static void ddb_unmap(struct ddb *dev)
{
if (dev->regs)
iounmap(dev->regs);
vfree(dev);
}
static void __devexit ddb_remove(struct pci_dev *pdev)
{
struct ddb *dev = (struct ddb *) pci_get_drvdata(pdev);
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);
ddbwritel(dev, 0, MSI1_ENABLE);
if (dev->msi == 2)
free_irq(dev->pdev->irq + 1, dev);
free_irq(dev->pdev->irq, dev);
#ifdef CONFIG_PCI_MSI
if (dev->msi)
pci_disable_msi(dev->pdev);
#endif
ddb_ports_release(dev);
ddb_buffers_free(dev);
ddb_device_destroy(dev);
ddb_unmap(dev);
pci_set_drvdata(pdev, 0);
pci_disable_device(pdev);
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0))
#define __devinit
#define __devinitdata
#endif
static int __devinit ddb_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
struct ddb *dev;
int stat = 0;
int irq_flag = IRQF_SHARED;
if (pci_enable_device(pdev) < 0)
return -ENODEV;
dev = vzalloc(sizeof(struct ddb));
if (dev == NULL)
return -ENOMEM;
mutex_init(&dev->mutex);
dev->has_dma = 1;
dev->pdev = pdev;
dev->dev = &pdev->dev;
pci_set_drvdata(pdev, dev);
dev->ids.vendor = id->vendor;
dev->ids.device = id->device;
dev->ids.subvendor = id->subvendor;
dev->ids.subdevice = id->subdevice;
dev->link[0].dev = dev;
dev->link[0].info = (struct ddb_info *) id->driver_data;
pr_info("DDBridge driver detected: %s\n", dev->link[0].info->name);
dev->regs_len = pci_resource_len(dev->pdev, 0);
dev->regs = ioremap(pci_resource_start(dev->pdev, 0),
pci_resource_len(dev->pdev, 0));
if (!dev->regs) {
pr_err("DDBridge: not enough memory for register map\n");
stat = -ENOMEM;
goto fail;
}
if (ddbreadl(dev, 0) == 0xffffffff) {
pr_err("DDBridge: cannot read registers\n");
stat = -ENODEV;
goto fail;
}
dev->ids.hwid = ddbreadl(dev, 0);
dev->ids.regmapid = ddbreadl(dev, 4);
pr_info("DDBridge: HW %08x REGMAP %08x\n",
dev->ids.hwid, dev->ids.regmapid);
if (dev->link[0].info->ns_num) {
int i;
ddbwritel(dev, 0, ETHER_CONTROL);
for (i = 0; i < 16; i++)
ddbwritel(dev, 0x00, TS_OUTPUT_CONTROL(i));
usleep_range(5000, 6000);
}
ddbwritel(dev, 0x00000000, INTERRUPT_ENABLE);
ddbwritel(dev, 0x00000000, MSI1_ENABLE);
ddbwritel(dev, 0x00000000, MSI2_ENABLE);
ddbwritel(dev, 0x00000000, MSI3_ENABLE);
ddbwritel(dev, 0x00000000, MSI4_ENABLE);
ddbwritel(dev, 0x00000000, MSI5_ENABLE);
ddbwritel(dev, 0x00000000, MSI6_ENABLE);
ddbwritel(dev, 0x00000000, MSI7_ENABLE);
#ifdef CONFIG_PCI_MSI
if (msi && pci_msi_enabled()) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0))
stat = pci_enable_msi_range(dev->pdev, 1, 2);
if (stat >= 1) {
dev->msi = stat;
pr_info("DDBridge: using %d MSI interrupt(s)\n", dev->msi);
irq_flag = 0;
} else
pr_info("DDBridge: MSI not available.\n");
#else
stat = pci_enable_msi_block(dev->pdev, 2);
if (stat == 0) {
dev->msi = 1;
pr_info("DDBridge: using 2 MSI interrupts\n");
}
if (stat == 1)
stat = pci_enable_msi(dev->pdev);
if (stat < 0) {
pr_info("DDBridge: MSI not available.\n");
} else {
irq_flag = 0;
dev->msi++;
}
#endif
}
if (dev->msi == 2) {
stat = request_irq(dev->pdev->irq, irq_handler0,
irq_flag, "ddbridge", (void *) dev);
if (stat < 0)
goto fail0;
stat = request_irq(dev->pdev->irq + 1, irq_handler1,
irq_flag, "ddbridge", (void *) dev);
if (stat < 0) {
free_irq(dev->pdev->irq, dev);
goto fail0;
}
} else
#endif
{
#ifdef DDB_TEST_THREADED
stat = request_threaded_irq(dev->pdev->irq, irq_handler,
irq_thread,
irq_flag,
"ddbridge", (void *) dev);
#else
stat = request_irq(dev->pdev->irq, irq_handler,
irq_flag, "ddbridge", (void *) dev);
#endif
if (stat < 0)
goto fail0;
}
ddbwritel(dev, 0, DMA_BASE_READ);
if (dev->link[0].info->type != DDB_MOD)
ddbwritel(dev, 0, DMA_BASE_WRITE);
if (dev->link[0].info->type == DDB_MOD) {
if (ddbreadl(dev, 0x1c) == 4)
dev->link[0].info->port_num = 4;
}
/*ddbwritel(dev, 0xffffffff, INTERRUPT_ACK);*/
if (dev->msi == 2) {
ddbwritel(dev, 0x0fffff00, INTERRUPT_ENABLE);
ddbwritel(dev, 0x0000000f, MSI1_ENABLE);
} else {
ddbwritel(dev, 0x0fffff0f, INTERRUPT_ENABLE);
ddbwritel(dev, 0x00000000, MSI1_ENABLE);
}
if (ddb_init(dev) == 0)
return 0;
ddbwritel(dev, 0, INTERRUPT_ENABLE);
ddbwritel(dev, 0, MSI1_ENABLE);
free_irq(dev->pdev->irq, dev);
if (dev->msi == 2)
free_irq(dev->pdev->irq + 1, dev);
fail0:
pr_err("fail0\n");
if (dev->msi)
pci_disable_msi(dev->pdev);
fail:
pr_err("fail\n");
ddb_unmap(dev);
pci_set_drvdata(pdev, 0);
pci_disable_device(pdev);
return -1;
}
/****************************************************************************/
/****************************************************************************/
/****************************************************************************/
static struct ddb_regset octopus_i2c = {
.base = 0x80,
.num = 0x04,
.size = 0x20,
};
static struct ddb_regset octopus_i2c_buf = {
.base = 0x1000,
.num = 0x04,
.size = 0x200,
};
/****************************************************************************/
static struct ddb_regmap octopus_map = {
.i2c = &octopus_i2c,
.i2c_buf = &octopus_i2c_buf,
};
static struct ddb_regmap octopus_net_map = {
.i2c = &octopus_i2c,
.i2c_buf = &octopus_i2c_buf,
};
static struct ddb_regmap octopus_mod_map = {
};
/****************************************************************************/
static struct ddb_info ddb_none = {
.type = DDB_NONE,
.name = "unknown Digital Devices PCIe card, install newer driver",
.regmap = &octopus_map,
};
static struct ddb_info ddb_octopus = {
.type = DDB_OCTOPUS,
.name = "Digital Devices Octopus DVB adapter",
.regmap = &octopus_map,
.port_num = 4,
.i2c_mask = 0x0f,
};
static struct ddb_info ddb_octopusv3 = {
.type = DDB_OCTOPUS,
.name = "Digital Devices Octopus V3 DVB adapter",
.regmap = &octopus_map,
.port_num = 4,
.i2c_mask = 0x0f,
};
static struct ddb_info ddb_octopus_le = {
.type = DDB_OCTOPUS,
.name = "Digital Devices Octopus LE DVB adapter",
.regmap = &octopus_map,
.port_num = 2,
.i2c_mask = 0x03,
};
static struct ddb_info ddb_octopus_oem = {
.type = DDB_OCTOPUS,
.name = "Digital Devices Octopus OEM",
.regmap = &octopus_map,
.port_num = 4,
.i2c_mask = 0x0f,
.led_num = 1,
.fan_num = 1,
.temp_num = 1,
.temp_bus = 0,
};
static struct ddb_info ddb_octopus_mini = {
.type = DDB_OCTOPUS,
.name = "Digital Devices Octopus Mini",
.regmap = &octopus_map,
.port_num = 4,
.i2c_mask = 0x0f,
};
static struct ddb_info ddb_v6 = {
.type = DDB_OCTOPUS,
.name = "Digital Devices Cine S2 V6 DVB adapter",
.regmap = &octopus_map,
.port_num = 3,
.i2c_mask = 0x07,
};
static struct ddb_info ddb_v6_5 = {
.type = DDB_OCTOPUS,
.name = "Digital Devices Cine S2 V6.5 DVB adapter",
.regmap = &octopus_map,
.port_num = 4,
.i2c_mask = 0x0f,
};
static struct ddb_info ddb_v7 = {
.type = DDB_OCTOPUS,
.name = "Digital Devices Cine S2 V7 DVB adapter",
.regmap = &octopus_map,
.port_num = 4,
.i2c_mask = 0x0f,
.board_control = 2,
};
static struct ddb_info ddb_ctv7 = {
.type = DDB_OCTOPUS,
.name = "Digital Devices Cine CT V7 DVB adapter",
.regmap = &octopus_map,
.port_num = 4,
.i2c_mask = 0x0f,
.board_control = 3,
};
static struct ddb_info ddb_satixS2v3 = {
.type = DDB_OCTOPUS,
.name = "Mystique SaTiX-S2 V3 DVB adapter",
.regmap = &octopus_map,
.port_num = 3,
.i2c_mask = 0x07,
};
static struct ddb_info ddb_ci = {
.type = DDB_OCTOPUS_CI,
.name = "Digital Devices Octopus CI",
.regmap = &octopus_map,
.port_num = 4,
.i2c_mask = 0x03,
};
static struct ddb_info ddb_cis = {
.type = DDB_OCTOPUS_CI,
.name = "Digital Devices Octopus CI single",
.regmap = &octopus_map,
.port_num = 3,
.i2c_mask = 0x01,
};
static struct ddb_info ddb_ci_s2_pro = {
.type = DDB_OCTOPUS_CI,
.name = "Digital Devices Octopus CI S2 Pro",
.regmap = &octopus_map,
.port_num = 4,
.i2c_mask = 0x01,
.board_control = 3,
};
static struct ddb_info ddb_dvbct = {
.type = DDB_OCTOPUS,
.name = "Digital Devices DVBCT V6.1 DVB adapter",
.regmap = &octopus_map,
.port_num = 3,
.i2c_mask = 0x07,
};
/****************************************************************************/
static struct ddb_info ddb_s2_48 = {
.type = DDB_OCTOPUS_MAX,
.name = "Digital Devices MAX S8 4/8",
.regmap = &octopus_map,
.port_num = 4,
.i2c_mask = 0x01,
.board_control = 1,
};
static struct ddb_info ddb_mod = {
.type = DDB_MOD,
.name = "Digital Devices DVB-C modulator",
.regmap = &octopus_mod_map,
.port_num = 10,
.temp_num = 1,
};
static struct ddb_info ddb_octopus_net = {
.type = DDB_OCTONET,
.name = "Digital Devices OctopusNet network DVB adapter",
.regmap = &octopus_net_map,
.port_num = 10,
.i2c_mask = 0x3ff,
.ns_num = 12,
.mdio_num = 1,
};
/****************************************************************************/
/****************************************************************************/
/****************************************************************************/
#define DDVID 0xdd01 /* Digital Devices Vendor ID */
#define DDB_ID(_vend, _dev, _subvend, _subdev, _driverdata) { \
.vendor = _vend, .device = _dev, \
.subvendor = _subvend, .subdevice = _subdev, \
.driver_data = (unsigned long)&_driverdata }
static const struct pci_device_id ddb_id_tbl[] __devinitconst = {
DDB_ID(DDVID, 0x0002, DDVID, 0x0001, ddb_octopus),
DDB_ID(DDVID, 0x0003, DDVID, 0x0001, ddb_octopus),
DDB_ID(DDVID, 0x0005, DDVID, 0x0004, ddb_octopusv3),
DDB_ID(DDVID, 0x0003, DDVID, 0x0002, ddb_octopus_le),
DDB_ID(DDVID, 0x0003, DDVID, 0x0003, ddb_octopus_oem),
DDB_ID(DDVID, 0x0003, DDVID, 0x0010, ddb_octopus_mini),
DDB_ID(DDVID, 0x0005, DDVID, 0x0011, ddb_octopus_mini),
DDB_ID(DDVID, 0x0003, DDVID, 0x0020, ddb_v6),
DDB_ID(DDVID, 0x0003, DDVID, 0x0021, ddb_v6_5),
DDB_ID(DDVID, 0x0006, DDVID, 0x0022, ddb_v7),
DDB_ID(DDVID, 0x0003, DDVID, 0x0030, ddb_dvbct),
DDB_ID(DDVID, 0x0003, DDVID, 0xdb03, ddb_satixS2v3),
DDB_ID(DDVID, 0x0006, DDVID, 0x0031, ddb_ctv7),
DDB_ID(DDVID, 0x0006, DDVID, 0x0032, ddb_ctv7),
DDB_ID(DDVID, 0x0006, DDVID, 0x0033, ddb_ctv7),
DDB_ID(DDVID, 0x0007, DDVID, 0x0023, ddb_s2_48),
DDB_ID(DDVID, 0x0011, DDVID, 0x0040, ddb_ci),
DDB_ID(DDVID, 0x0011, DDVID, 0x0041, ddb_cis),
DDB_ID(DDVID, 0x0012, DDVID, 0x0042, ddb_ci),
DDB_ID(DDVID, 0x0013, DDVID, 0x0043, ddb_ci_s2_pro),
DDB_ID(DDVID, 0x0201, DDVID, 0x0001, ddb_mod),
DDB_ID(DDVID, 0x0201, DDVID, 0x0002, ddb_mod),
DDB_ID(DDVID, 0x0320, PCI_ANY_ID, PCI_ANY_ID, ddb_octopus_net),
/* in case sub-ids got deleted in flash */
DDB_ID(DDVID, 0x0003, PCI_ANY_ID, PCI_ANY_ID, ddb_none),
DDB_ID(DDVID, 0x0005, PCI_ANY_ID, PCI_ANY_ID, ddb_none),
DDB_ID(DDVID, 0x0006, PCI_ANY_ID, PCI_ANY_ID, ddb_none),
DDB_ID(DDVID, 0x0007, PCI_ANY_ID, PCI_ANY_ID, ddb_none),
DDB_ID(DDVID, 0x0011, PCI_ANY_ID, PCI_ANY_ID, ddb_none),
DDB_ID(DDVID, 0x0013, PCI_ANY_ID, PCI_ANY_ID, ddb_none),
DDB_ID(DDVID, 0x0201, PCI_ANY_ID, PCI_ANY_ID, ddb_none),
DDB_ID(DDVID, 0x0320, PCI_ANY_ID, PCI_ANY_ID, ddb_none),
{0}
};
MODULE_DEVICE_TABLE(pci, ddb_id_tbl);
static struct pci_driver ddb_pci_driver = {
.name = "ddbridge",
.id_table = ddb_id_tbl,
.probe = ddb_probe,
.remove = ddb_remove,
};
static __init int module_init_ddbridge(void)
{
int stat = -1;
pr_info("Digital Devices PCIE bridge driver "
DDBRIDGE_VERSION
", Copyright (C) 2010-15 Digital Devices GmbH\n");
if (ddb_class_create() < 0)
return -1;
ddb_wq = create_workqueue("ddbridge");
if (ddb_wq == NULL)
goto exit1;
stat = pci_register_driver(&ddb_pci_driver);
if (stat < 0)
goto exit2;
return stat;
exit2:
destroy_workqueue(ddb_wq);
exit1:
ddb_class_destroy();
return stat;
}
static __exit void module_exit_ddbridge(void)
{
pci_unregister_driver(&ddb_pci_driver);
destroy_workqueue(ddb_wq);
ddb_class_destroy();
}
module_init(module_init_ddbridge);
module_exit(module_exit_ddbridge);
MODULE_DESCRIPTION("Digital Devices PCIe Bridge");
MODULE_AUTHOR("Ralph and Marcus Metzler, Metzler Brothers Systementwicklung GbR");
MODULE_LICENSE("GPL");
MODULE_VERSION(DDBRIDGE_VERSION);
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