LXR linux/include/linux/8250

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * Definitions for PCI support.
   4 */
   5#define FL_BASE_MASK            0x0007
   6#define FL_BASE0                0x0000
   7#define FL_BASE1                0x0001
   8#define FL_BASE2                0x0002
   9#define FL_BASE3                0x0003
  10#define FL_BASE4                0x0004
  11#define FL_GET_BASE(x)          (x & FL_BASE_MASK)
  12
  13/* Use successive BARs (PCI base address registers),
  14   else use offset into some specified BAR */
  15#define FL_BASE_BARS            0x0008
  16
  17/* do not assign an irq */
  18#define FL_NOIRQ                0x0080
  19
  20/* Use the Base address register size to cap number of ports */
  21#define FL_REGION_SZ_CAP        0x0100
  22
  23struct pciserial_board {
  24        unsigned int flags;
  25        unsigned int num_ports;
  26        unsigned int base_baud;
  27        unsigned int uart_offset;
  28        unsigned int reg_shift;
  29        unsigned int first_offset;
  30};
  31
  32struct serial_private;
  33
  34struct serial_private *
  35pciserial_init_ports(struct pci_dev *dev, const struct pciserial_board *board);
  36void pciserial_remove_ports(struct serial_private *priv);
  37void pciserial_suspend_ports(struct serial_private *priv);
  38void pciserial_resume_ports(struct serial_private *priv);
  39