/*
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* Copyright (C) 2006-2007 Jan Kiszka <jan.kiszka@web.de>.
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* Copyright (C) 2011 Stefan Kisdaroczi <kisda@hispeed.ch>.
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*
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* Xenomai is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* Xenomai is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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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 Xenomai; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#if defined(CONFIG_XENO_DRIVERS_16550A_PCI)
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#include <linux/pci.h>
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struct rt_16550_pci_board {
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char *name;
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resource_size_t resource_base_addr;
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unsigned int nports;
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unsigned int port_ofs;
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unsigned long irqtype;
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unsigned int baud_base;
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int tx_fifo;
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};
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#if defined(CONFIG_XENO_DRIVERS_16550A_PCI_MOXA)
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#define PCI_DEVICE_ID_CP112UL 0x1120
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#define PCI_DEVICE_ID_CP114UL 0x1143
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#define PCI_DEVICE_ID_CP138U 0x1380
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,17,0)
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#define PCI_DEVICE_ID_MOXA_CP102UL 0x1021
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#define PCI_DEVICE_ID_MOXA_CP102U 0x1022
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#define PCI_DEVICE_ID_MOXA_C104 0x1040
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#define PCI_DEVICE_ID_MOXA_CP104U 0x1041
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#define PCI_DEVICE_ID_MOXA_CP114 0x1141
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#define PCI_DEVICE_ID_MOXA_CP118U 0x1180
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#define PCI_DEVICE_ID_MOXA_CP132 0x1320
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#define PCI_DEVICE_ID_MOXA_CP132U 0x1321
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#define PCI_DEVICE_ID_MOXA_CP134U 0x1340
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#define PCI_DEVICE_ID_MOXA_C168 0x1680
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#define PCI_DEVICE_ID_MOXA_CP168U 0x1681
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#endif
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static const struct rt_16550_pci_board rt_16550_moxa_c104 = {
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.name = "Moxa C104H/PCI",
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.resource_base_addr = 2,
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.nports = 4,
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.port_ofs = 8,
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.baud_base = 921600,
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.tx_fifo = 16,
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.irqtype = RTDM_IRQTYPE_SHARED,
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};
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static const struct rt_16550_pci_board rt_16550_moxa_c168 = {
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.name = "Moxa C168H/PCI",
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.resource_base_addr = 2,
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.nports = 8,
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.port_ofs = 8,
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.baud_base = 921600,
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.tx_fifo = 16,
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.irqtype = RTDM_IRQTYPE_SHARED,
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};
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static const struct rt_16550_pci_board rt_16550_moxa_cp114 = {
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.name = "Moxa CP-114",
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.resource_base_addr = 2,
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.nports = 4,
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.port_ofs = 8,
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.baud_base = 921600,
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.tx_fifo = 16,
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.irqtype = RTDM_IRQTYPE_SHARED,
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};
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static const struct rt_16550_pci_board rt_16550_moxa_cp132 = {
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.name = "Moxa CP-132",
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.resource_base_addr = 2,
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.nports = 2,
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.port_ofs = 8,
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.baud_base = 921600,
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.tx_fifo = 16,
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.irqtype = RTDM_IRQTYPE_SHARED,
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};
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static const struct rt_16550_pci_board rt_16550_moxa_cp102u = {
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.name = "Moxa CP-102U",
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.resource_base_addr = 2,
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.nports = 2,
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.port_ofs = 8,
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.baud_base = 921600,
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.tx_fifo = 16,
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.irqtype = RTDM_IRQTYPE_SHARED,
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};
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static const struct rt_16550_pci_board rt_16550_moxa_cp102ul = {
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.name = "Moxa CP-102UL",
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.resource_base_addr = 2,
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.nports = 2,
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.port_ofs = 8,
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.baud_base = 921600,
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.tx_fifo = 16,
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.irqtype = RTDM_IRQTYPE_SHARED,
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};
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static const struct rt_16550_pci_board rt_16550_moxa_cp104u = {
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.name = "Moxa CP-104U",
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.resource_base_addr = 2,
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.nports = 4,
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.port_ofs = 8,
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.baud_base = 921600,
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.tx_fifo = 16,
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.irqtype = RTDM_IRQTYPE_SHARED,
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};
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static const struct rt_16550_pci_board rt_16550_moxa_cp112ul = {
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.name = "Moxa CP-112UL",
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.resource_base_addr = 2,
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.nports = 2,
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.port_ofs = 8,
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.baud_base = 921600,
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.tx_fifo = 16,
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.irqtype = RTDM_IRQTYPE_SHARED,
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};
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static const struct rt_16550_pci_board rt_16550_moxa_cp114ul = {
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.name = "Moxa CP-114UL",
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.resource_base_addr = 2,
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.nports = 4,
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.port_ofs = 8,
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.baud_base = 921600,
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.tx_fifo = 16,
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.irqtype = RTDM_IRQTYPE_SHARED,
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};
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static const struct rt_16550_pci_board rt_16550_moxa_cp118u = {
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.name = "Moxa CP-118U",
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.resource_base_addr = 2,
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.nports = 8,
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.port_ofs = 8,
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.baud_base = 921600,
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.tx_fifo = 16,
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.irqtype = RTDM_IRQTYPE_SHARED,
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};
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static const struct rt_16550_pci_board rt_16550_moxa_cp132u = {
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.name = "Moxa CP-132U",
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.resource_base_addr = 2,
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.nports = 2,
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.port_ofs = 8,
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.baud_base = 921600,
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.tx_fifo = 16,
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.irqtype = RTDM_IRQTYPE_SHARED,
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};
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static const struct rt_16550_pci_board rt_16550_moxa_cp134u = {
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.name = "Moxa CP-134U",
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.resource_base_addr = 2,
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.nports = 4,
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.port_ofs = 8,
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.baud_base = 921600,
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.tx_fifo = 16,
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.irqtype = RTDM_IRQTYPE_SHARED,
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};
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static const struct rt_16550_pci_board rt_16550_moxa_cp138u = {
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.name = "Moxa CP-138U",
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.resource_base_addr = 2,
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.nports = 8,
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.port_ofs = 8,
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.baud_base = 921600,
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.tx_fifo = 16,
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.irqtype = RTDM_IRQTYPE_SHARED,
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};
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static const struct rt_16550_pci_board rt_16550_moxa_cp168u = {
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.name = "Moxa CP-168U",
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.resource_base_addr = 2,
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.nports = 8,
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.port_ofs = 8,
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.baud_base = 921600,
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.tx_fifo = 16,
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.irqtype = RTDM_IRQTYPE_SHARED,
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};
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#endif
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const struct pci_device_id rt_16550_pci_table[] = {
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#if defined(CONFIG_XENO_DRIVERS_16550A_PCI_MOXA)
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{PCI_VDEVICE(MOXA, PCI_DEVICE_ID_MOXA_C104),
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.driver_data = (unsigned long)&rt_16550_moxa_c104},
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{PCI_VDEVICE(MOXA, PCI_DEVICE_ID_MOXA_C168),
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.driver_data = (unsigned long)&rt_16550_moxa_c168},
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{PCI_VDEVICE(MOXA, PCI_DEVICE_ID_MOXA_CP114),
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.driver_data = (unsigned long)&rt_16550_moxa_cp114},
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{PCI_VDEVICE(MOXA, PCI_DEVICE_ID_MOXA_CP132),
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.driver_data = (unsigned long)&rt_16550_moxa_cp132},
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{PCI_VDEVICE(MOXA, PCI_DEVICE_ID_MOXA_CP102U),
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.driver_data = (unsigned long)&rt_16550_moxa_cp102u},
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{PCI_VDEVICE(MOXA, PCI_DEVICE_ID_MOXA_CP102UL),
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.driver_data = (unsigned long)&rt_16550_moxa_cp102ul},
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{PCI_VDEVICE(MOXA, PCI_DEVICE_ID_MOXA_CP104U),
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.driver_data = (unsigned long)&rt_16550_moxa_cp104u},
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{PCI_VDEVICE(MOXA, PCI_DEVICE_ID_CP112UL),
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.driver_data = (unsigned long)&rt_16550_moxa_cp112ul},
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{PCI_VDEVICE(MOXA, PCI_DEVICE_ID_CP114UL),
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.driver_data = (unsigned long)&rt_16550_moxa_cp114ul},
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{PCI_VDEVICE(MOXA, PCI_DEVICE_ID_MOXA_CP118U),
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.driver_data = (unsigned long)&rt_16550_moxa_cp118u},
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{PCI_VDEVICE(MOXA, PCI_DEVICE_ID_MOXA_CP132U),
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.driver_data = (unsigned long)&rt_16550_moxa_cp132u},
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{PCI_VDEVICE(MOXA, PCI_DEVICE_ID_MOXA_CP134U),
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.driver_data = (unsigned long)&rt_16550_moxa_cp134u},
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{PCI_VDEVICE(MOXA, PCI_DEVICE_ID_CP138U),
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.driver_data = (unsigned long)&rt_16550_moxa_cp138u},
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{PCI_VDEVICE(MOXA, PCI_DEVICE_ID_MOXA_CP168U),
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.driver_data = (unsigned long)&rt_16550_moxa_cp168u},
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#endif
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{ }
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};
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static int rt_16550_pci_probe(struct pci_dev *pdev,
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const struct pci_device_id *ent)
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{
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struct rt_16550_pci_board *board;
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int err;
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int i;
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int port = 0;
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int base_addr;
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int max_devices = 0;
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if (!ent->driver_data)
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return -ENODEV;
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board = (struct rt_16550_pci_board *)ent->driver_data;
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for (i = 0; i < MAX_DEVICES; i++)
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if (!rt_16550_addr_param(i))
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max_devices++;
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if (board->nports > max_devices)
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return -ENODEV;
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if ((err = pci_enable_device(pdev)))
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return err;
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base_addr = pci_resource_start(pdev, board->resource_base_addr);
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for (i = 0; i < MAX_DEVICES; i++) {
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if ((port < board->nports) && (!rt_16550_addr_param(i))) {
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io[i] = base_addr + port * board->port_ofs;
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irq[i] = pdev->irq;
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irqtype[i] = board->irqtype;
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baud_base[i] = board->baud_base;
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tx_fifo[i] = board->tx_fifo;
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port++;
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}
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}
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return 0;
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}
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static void rt_16550_pci_remove(struct pci_dev *pdev) {
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pci_disable_device( pdev );
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};
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static struct pci_driver rt_16550_pci_driver = {
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.name = RT_16550_DRIVER_NAME,
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.id_table = rt_16550_pci_table,
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.probe = rt_16550_pci_probe,
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.remove = rt_16550_pci_remove
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};
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static int pci_registered;
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static inline void rt_16550_pci_init(void)
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{
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if (pci_register_driver(&rt_16550_pci_driver) == 0)
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pci_registered = 1;
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}
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static inline void rt_16550_pci_cleanup(void)
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{
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if (pci_registered)
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pci_unregister_driver(&rt_16550_pci_driver);
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}
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#else /* Linux < 2.6.0 || !CONFIG_PCI || !(..._16550A_PCI */
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#define rt_16550_pci_init() do { } while (0)
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#define rt_16550_pci_cleanup() do { } while (0)
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#endif /* Linux < 2.6.0 || !CONFIG_PCI || !(..._16550A_PCI */
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