diff options
Diffstat (limited to 'include/linux/8250_pci.h')
| -rw-r--r-- | include/linux/8250_pci.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/include/linux/8250_pci.h b/include/linux/8250_pci.h new file mode 100644 index 000000000..9c777d2c9 --- /dev/null +++ b/include/linux/8250_pci.h @@ -0,0 +1,38 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Definitions for PCI support. + */ +#define FL_BASE_MASK 0x0007 +#define FL_BASE0 0x0000 +#define FL_BASE1 0x0001 +#define FL_BASE2 0x0002 +#define FL_BASE3 0x0003 +#define FL_BASE4 0x0004 +#define FL_GET_BASE(x) (x & FL_BASE_MASK) + +/* Use successive BARs (PCI base address registers), + else use offset into some specified BAR */ +#define FL_BASE_BARS 0x0008 + +/* do not assign an irq */ +#define FL_NOIRQ 0x0080 + +/* Use the Base address register size to cap number of ports */ +#define FL_REGION_SZ_CAP 0x0100 + +struct pciserial_board { + unsigned int flags; + unsigned int num_ports; + unsigned int base_baud; + unsigned int uart_offset; + unsigned int reg_shift; + unsigned int first_offset; +}; + +struct serial_private; + +struct serial_private * +pciserial_init_ports(struct pci_dev *dev, const struct pciserial_board *board); +void pciserial_remove_ports(struct serial_private *priv); +void pciserial_suspend_ports(struct serial_private *priv); +void pciserial_resume_ports(struct serial_private *priv); |