diff options
Diffstat (limited to 'drivers/tty/serial/8250/8250_moxa.c')
| -rw-r--r-- | drivers/tty/serial/8250/8250_moxa.c | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/drivers/tty/serial/8250/8250_moxa.c b/drivers/tty/serial/8250/8250_moxa.c deleted file mode 100644 index 1ee4cd94d4fa..000000000000 --- a/drivers/tty/serial/8250/8250_moxa.c +++ /dev/null @@ -1,155 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * 8250_moxa.c - MOXA Smartio/Industio MUE multiport serial driver. - * - * Author: Mathieu OTHACEHE <m.othacehe@gmail.com> - */ - -#include <linux/module.h> -#include <linux/pci.h> - -#include "8250.h" - -#define PCI_DEVICE_ID_MOXA_CP102E 0x1024 -#define PCI_DEVICE_ID_MOXA_CP102EL 0x1025 -#define PCI_DEVICE_ID_MOXA_CP104EL_A 0x1045 -#define PCI_DEVICE_ID_MOXA_CP114EL 0x1144 -#define PCI_DEVICE_ID_MOXA_CP116E_A_A 0x1160 -#define PCI_DEVICE_ID_MOXA_CP116E_A_B 0x1161 -#define PCI_DEVICE_ID_MOXA_CP118EL_A 0x1182 -#define PCI_DEVICE_ID_MOXA_CP118E_A_I 0x1183 -#define PCI_DEVICE_ID_MOXA_CP132EL 0x1322 -#define PCI_DEVICE_ID_MOXA_CP134EL_A 0x1342 -#define PCI_DEVICE_ID_MOXA_CP138E_A 0x1381 -#define PCI_DEVICE_ID_MOXA_CP168EL_A 0x1683 - -#define MOXA_BASE_BAUD 921600 -#define MOXA_UART_OFFSET 0x200 -#define MOXA_BASE_BAR 1 - -struct moxa8250_board { - unsigned int num_ports; - int line[0]; -}; - -enum { - moxa8250_2p = 0, - moxa8250_4p, - moxa8250_8p -}; - -static struct moxa8250_board moxa8250_boards[] = { - [moxa8250_2p] = { .num_ports = 2}, - [moxa8250_4p] = { .num_ports = 4}, - [moxa8250_8p] = { .num_ports = 8}, -}; - -static int moxa8250_probe(struct pci_dev *pdev, const struct pci_device_id *id) -{ - struct uart_8250_port uart; - struct moxa8250_board *brd; - void __iomem *ioaddr; - resource_size_t baseaddr; - unsigned int i, nr_ports; - unsigned int offset; - int ret; - - brd = &moxa8250_boards[id->driver_data]; - nr_ports = brd->num_ports; - - ret = pcim_enable_device(pdev); - if (ret) - return ret; - - brd = devm_kzalloc(&pdev->dev, sizeof(struct moxa8250_board) + - sizeof(unsigned int) * nr_ports, GFP_KERNEL); - if (!brd) - return -ENOMEM; - brd->num_ports = nr_ports; - - memset(&uart, 0, sizeof(struct uart_8250_port)); - - uart.port.dev = &pdev->dev; - uart.port.irq = pdev->irq; - uart.port.uartclk = MOXA_BASE_BAUD * 16; - uart.port.flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ; - - baseaddr = pci_resource_start(pdev, MOXA_BASE_BAR); - ioaddr = pcim_iomap(pdev, MOXA_BASE_BAR, 0); - if (!ioaddr) - return -ENOMEM; - - for (i = 0; i < nr_ports; i++) { - - /* - * MOXA Smartio MUE boards with 4 ports have - * a different offset for port #3 - */ - if (nr_ports == 4 && i == 3) - offset = 7 * MOXA_UART_OFFSET; - else - offset = i * MOXA_UART_OFFSET; - - uart.port.iotype = UPIO_MEM; - uart.port.iobase = 0; - uart.port.mapbase = baseaddr + offset; - uart.port.membase = ioaddr + offset; - uart.port.regshift = 0; - - dev_dbg(&pdev->dev, "Setup PCI port: port %lx, irq %d, type %d\n", - uart.port.iobase, uart.port.irq, uart.port.iotype); - - brd->line[i] = serial8250_register_8250_port(&uart); - if (brd->line[i] < 0) { - dev_err(&pdev->dev, - "Couldn't register serial port %lx, irq %d, type %d, error %d\n", - uart.port.iobase, uart.port.irq, - uart.port.iotype, brd->line[i]); - break; - } - } - - pci_set_drvdata(pdev, brd); - return 0; -} - -static void moxa8250_remove(struct pci_dev *pdev) -{ - struct moxa8250_board *brd = pci_get_drvdata(pdev); - unsigned int i; - - for (i = 0; i < brd->num_ports; i++) - serial8250_unregister_port(brd->line[i]); -} - -#define MOXA_DEVICE(id, data) { PCI_VDEVICE(MOXA, id), (kernel_ulong_t)data } - -static const struct pci_device_id pci_ids[] = { - MOXA_DEVICE(PCI_DEVICE_ID_MOXA_CP102E, moxa8250_2p), - MOXA_DEVICE(PCI_DEVICE_ID_MOXA_CP102EL, moxa8250_2p), - MOXA_DEVICE(PCI_DEVICE_ID_MOXA_CP104EL_A, moxa8250_4p), - MOXA_DEVICE(PCI_DEVICE_ID_MOXA_CP114EL, moxa8250_4p), - MOXA_DEVICE(PCI_DEVICE_ID_MOXA_CP116E_A_A, moxa8250_8p), - MOXA_DEVICE(PCI_DEVICE_ID_MOXA_CP116E_A_B, moxa8250_8p), - MOXA_DEVICE(PCI_DEVICE_ID_MOXA_CP118EL_A, moxa8250_8p), - MOXA_DEVICE(PCI_DEVICE_ID_MOXA_CP118E_A_I, moxa8250_8p), - MOXA_DEVICE(PCI_DEVICE_ID_MOXA_CP132EL, moxa8250_2p), - MOXA_DEVICE(PCI_DEVICE_ID_MOXA_CP134EL_A, moxa8250_4p), - MOXA_DEVICE(PCI_DEVICE_ID_MOXA_CP138E_A, moxa8250_8p), - MOXA_DEVICE(PCI_DEVICE_ID_MOXA_CP168EL_A, moxa8250_8p), - {0} -}; -MODULE_DEVICE_TABLE(pci, pci_ids); - -static struct pci_driver moxa8250_pci_driver = { - .name = "8250_moxa", - .id_table = pci_ids, - .probe = moxa8250_probe, - .remove = moxa8250_remove, -}; - -module_pci_driver(moxa8250_pci_driver); - -MODULE_AUTHOR("Mathieu OTHACEHE"); -MODULE_DESCRIPTION("MOXA SmartIO MUE driver"); -MODULE_LICENSE("GPL v2"); |