[mirror_ubuntu-bionic-kernel.git] / include / linux / 8250_pci.h

/* 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);
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
241fc436 RK	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
	23	struct 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
	32	struct serial_private;
	33
	34	struct serial_private *
975a1a7d	35	pciserial_init_ports(struct pci_dev dev, const struct pciserial_board board);
241fc436 RK	36	void pciserial_remove_ports(struct serial_private *priv);
	37	void pciserial_suspend_ports(struct serial_private *priv);
	38	void pciserial_resume_ports(struct serial_private *priv);