linux/drivers/tty/serial/8250/8250_mid.c

// SPDX-License-Identifier: GPL-2.0
/*
 * 8250_mid.c - Driver for UART on Intel Penwell and various other Intel SOCs
 *
 * Copyright (C) 2015 Intel Corporation
 * Author: Heikki Krogerus <[email protected]>
 */

#include <linux/bitops.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/rational.h>

#include <linux/dma/hsu.h>

#include "8250.h"

#define PCI_DEVICE_ID_INTEL_PNW_UART1 …
#define PCI_DEVICE_ID_INTEL_PNW_UART2 …
#define PCI_DEVICE_ID_INTEL_PNW_UART3 …
#define PCI_DEVICE_ID_INTEL_TNG_UART …
#define PCI_DEVICE_ID_INTEL_CDF_UART …
#define PCI_DEVICE_ID_INTEL_DNV_UART …

/* Intel MID Specific registers */
#define INTEL_MID_UART_FISR …
#define INTEL_MID_UART_PS …
#define INTEL_MID_UART_MUL …
#define INTEL_MID_UART_DIV …

struct mid8250;

struct mid8250_board { … };

struct mid8250 { … };

/*****************************************************************************/

static int pnw_setup(struct mid8250 *mid, struct uart_port *p)
{ … }

static void pnw_exit(struct mid8250 *mid)
{ … }

static int tng_handle_irq(struct uart_port *p)
{ … }

static int tng_setup(struct mid8250 *mid, struct uart_port *p)
{ … }

static void tng_exit(struct mid8250 *mid)
{ … }

static int dnv_handle_irq(struct uart_port *p)
{ … }

#define DNV_DMA_CHAN_OFFSET …

static int dnv_setup(struct mid8250 *mid, struct uart_port *p)
{ … }

static void dnv_exit(struct mid8250 *mid)
{ … }

/*****************************************************************************/

static void mid8250_set_termios(struct uart_port *p, struct ktermios *termios,
				const struct ktermios *old)
{ … }

static bool mid8250_dma_filter(struct dma_chan *chan, void *param)
{ … }

static int mid8250_dma_setup(struct mid8250 *mid, struct uart_8250_port *port)
{ … }

static int mid8250_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{ … }

static void mid8250_remove(struct pci_dev *pdev)
{ … }

static const struct mid8250_board pnw_board = …;

static const struct mid8250_board tng_board = …;

static const struct mid8250_board dnv_board = …;

static const struct pci_device_id pci_ids[] = …;
MODULE_DEVICE_TABLE(pci, pci_ids);

static struct pci_driver mid8250_pci_driver = …;

module_pci_driver(…) …;

MODULE_AUTHOR(…) …;
MODULE_LICENSE(…) …;
MODULE_DESCRIPTION(…) …;