char: remove VR41XX related char driver

Commit d3164e2f3b0a ("MIPS: Remove VR41xx support") removed support
for MIPS VR41xx platform, so remove exclusive drivers for this
platform, too.

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Link: https://lore.kernel.org/r/20220716130802.11660-1-tsbogend@alpha.franken.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

3 files changed, 0 insertions, 365 deletions

diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 0b6c03643ddc..1c9ed699cbca 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -247,11 +247,6 @@ config SONYPI
 	  To compile this driver as a module, choose M here: the
 	  module will be called sonypi.
 
-config GPIO_TB0219
-	tristate "TANBAC TB0219 GPIO support"
-	depends on TANBAC_TB022X
-	select GPIO_VR41XX
-
 source "drivers/char/pcmcia/Kconfig"
 
 config MWAVE
diff --git a/drivers/char/Makefile b/drivers/char/Makefile
index 264eb398fdd4..1b35d1724565 100644
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -31,7 +31,6 @@ obj-$(CONFIG_NWFLASH)		+= nwflash.o
 obj-$(CONFIG_SCx200_GPIO)	+= scx200_gpio.o
 obj-$(CONFIG_PC8736x_GPIO)	+= pc8736x_gpio.o
 obj-$(CONFIG_NSC_GPIO)		+= nsc_gpio.o
-obj-$(CONFIG_GPIO_TB0219)	+= tb0219.o
 obj-$(CONFIG_TELCLOCK)		+= tlclk.o
 
 obj-$(CONFIG_MWAVE)		+= mwave/
diff --git a/drivers/char/tb0219.c b/drivers/char/tb0219.c
deleted file mode 100644
index 1f36be14978f..000000000000
--- a/drivers/char/tb0219.c
+++ /dev/null
@@ -1,359 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- *  Driver for TANBAC TB0219 base board.
- *
- *  Copyright (C) 2005  Yoichi Yuasa <yuasa@linux-mips.org>
- */
-#include <linux/platform_device.h>
-#include <linux/fs.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/uaccess.h>
-
-#include <asm/io.h>
-#include <asm/reboot.h>
-#include <asm/vr41xx/giu.h>
-#include <asm/vr41xx/tb0219.h>
-
-MODULE_AUTHOR("Yoichi Yuasa <yuasa@linux-mips.org>");
-MODULE_DESCRIPTION("TANBAC TB0219 base board driver");
-MODULE_LICENSE("GPL");
-
-static int major;	/* default is dynamic major device number */
-module_param(major, int, 0);
-MODULE_PARM_DESC(major, "Major device number");
-
-static void (*old_machine_restart)(char *command);
-static void __iomem *tb0219_base;
-static DEFINE_SPINLOCK(tb0219_lock);
-
-#define tb0219_read(offset)		readw(tb0219_base + (offset))
-#define tb0219_write(offset, value)	writew((value), tb0219_base + (offset))
-
-#define TB0219_START	0x0a000000UL
-#define TB0219_SIZE	0x20UL
-
-#define TB0219_LED			0x00
-#define TB0219_GPIO_INPUT		0x02
-#define TB0219_GPIO_OUTPUT		0x04
-#define TB0219_DIP_SWITCH		0x06
-#define TB0219_MISC			0x08
-#define TB0219_RESET			0x0e
-#define TB0219_PCI_SLOT1_IRQ_STATUS	0x10
-#define TB0219_PCI_SLOT2_IRQ_STATUS	0x12
-#define TB0219_PCI_SLOT3_IRQ_STATUS	0x14
-
-typedef enum {
-	TYPE_LED,
-	TYPE_GPIO_OUTPUT,
-} tb0219_type_t;
-
-/*
- * Minor device number
- *	 0 = 7 segment LED
- *
- *	16 = GPIO IN 0
- *	17 = GPIO IN 1
- *	18 = GPIO IN 2
- *	19 = GPIO IN 3
- *	20 = GPIO IN 4
- *	21 = GPIO IN 5
- *	22 = GPIO IN 6
- *	23 = GPIO IN 7
- *
- *	32 = GPIO OUT 0
- *	33 = GPIO OUT 1
- *	34 = GPIO OUT 2
- *	35 = GPIO OUT 3
- *	36 = GPIO OUT 4
- *	37 = GPIO OUT 5
- *	38 = GPIO OUT 6
- *	39 = GPIO OUT 7
- *
- *	48 = DIP switch 1
- *	49 = DIP switch 2
- *	50 = DIP switch 3
- *	51 = DIP switch 4
- *	52 = DIP switch 5
- *	53 = DIP switch 6
- *	54 = DIP switch 7
- *	55 = DIP switch 8
- */
-
-static inline char get_led(void)
-{
-	return (char)tb0219_read(TB0219_LED);
-}
-
-static inline char get_gpio_input_pin(unsigned int pin)
-{
-	uint16_t values;
-
-	values = tb0219_read(TB0219_GPIO_INPUT);
-	if (values & (1 << pin))
-		return '1';
-
-	return '0';
-}
-
-static inline char get_gpio_output_pin(unsigned int pin)
-{
-	uint16_t values;
-
-	values = tb0219_read(TB0219_GPIO_OUTPUT);
-	if (values & (1 << pin))
-		return '1';
-
-	return '0';
-}
-
-static inline char get_dip_switch(unsigned int pin)
-{
-	uint16_t values;
-
-	values = tb0219_read(TB0219_DIP_SWITCH);
-	if (values & (1 << pin))
-		return '1';
-
-	return '0';
-}
-
-static inline int set_led(char command)
-{
-	tb0219_write(TB0219_LED, command);
-
-	return 0;
-}
-
-static inline int set_gpio_output_pin(unsigned int pin, char command)
-{
-	unsigned long flags;
-	uint16_t value;
-
-	if (command != '0' && command != '1')
-		return -EINVAL;
-
-	spin_lock_irqsave(&tb0219_lock, flags);
-	value = tb0219_read(TB0219_GPIO_OUTPUT);
-	if (command == '0')
-		value &= ~(1 << pin);
-	else
-		value |= 1 << pin;
-	tb0219_write(TB0219_GPIO_OUTPUT, value);
-	spin_unlock_irqrestore(&tb0219_lock, flags);
-
-	return 0;
-
-}
-
-static ssize_t tanbac_tb0219_read(struct file *file, char __user *buf, size_t len,
-                                  loff_t *ppos)
-{
-	unsigned int minor;
-	char value;
-
-	minor = iminor(file_inode(file));
-	switch (minor) {
-	case 0:
-		value = get_led();
-		break;
-	case 16 ... 23:
-		value = get_gpio_input_pin(minor - 16);
-		break;
-	case 32 ... 39:
-		value = get_gpio_output_pin(minor - 32);
-		break;
-	case 48 ... 55:
-		value = get_dip_switch(minor - 48);
-		break;
-	default:
-		return -EBADF;
-	}
-
-	if (len <= 0)
-		return -EFAULT;
-
-	if (put_user(value, buf))
-		return -EFAULT;
-
-	return 1;
-}
-
-static ssize_t tanbac_tb0219_write(struct file *file, const char __user *data,
-                                   size_t len, loff_t *ppos)
-{
-	unsigned int minor;
-	tb0219_type_t type;
-	size_t i;
-	int retval = 0;
-	char c;
-
-	minor = iminor(file_inode(file));
-	switch (minor) {
-	case 0:
-		type = TYPE_LED;
-		break;
-	case 32 ... 39:
-		type = TYPE_GPIO_OUTPUT;
-		break;
-	default:
-		return -EBADF;
-	}
-
-	for (i = 0; i < len; i++) {
-		if (get_user(c, data + i))
-			return -EFAULT;
-
-		switch (type) {
-		case TYPE_LED:
-			retval = set_led(c);
-			break;
-		case TYPE_GPIO_OUTPUT:
-			retval = set_gpio_output_pin(minor - 32, c);
-			break;
-		}
-
-		if (retval < 0)
-			break;
-	}
-
-	return i;
-}
-
-static int tanbac_tb0219_open(struct inode *inode, struct file *file)
-{
-	unsigned int minor;
-
-	minor = iminor(inode);
-	switch (minor) {
-	case 0:
-	case 16 ... 23:
-	case 32 ... 39:
-	case 48 ... 55:
-		return stream_open(inode, file);
-	default:
-		break;
-	}
-
-	return -EBADF;
-}
-
-static int tanbac_tb0219_release(struct inode *inode, struct file *file)
-{
-	return 0;
-}
-
-static const struct file_operations tb0219_fops = {
-	.owner		= THIS_MODULE,
-	.read		= tanbac_tb0219_read,
-	.write		= tanbac_tb0219_write,
-	.open		= tanbac_tb0219_open,
-	.release	= tanbac_tb0219_release,
-	.llseek		= no_llseek,
-};
-
-static void tb0219_restart(char *command)
-{
-	tb0219_write(TB0219_RESET, 0);
-}
-
-static void tb0219_pci_irq_init(void)
-{
-	/* PCI Slot 1 */
-	vr41xx_set_irq_trigger(TB0219_PCI_SLOT1_PIN, IRQ_TRIGGER_LEVEL, IRQ_SIGNAL_THROUGH);
-	vr41xx_set_irq_level(TB0219_PCI_SLOT1_PIN, IRQ_LEVEL_LOW);
-
-	/* PCI Slot 2 */
-	vr41xx_set_irq_trigger(TB0219_PCI_SLOT2_PIN, IRQ_TRIGGER_LEVEL, IRQ_SIGNAL_THROUGH);
-	vr41xx_set_irq_level(TB0219_PCI_SLOT2_PIN, IRQ_LEVEL_LOW);
-
-	/* PCI Slot 3 */
-	vr41xx_set_irq_trigger(TB0219_PCI_SLOT3_PIN, IRQ_TRIGGER_LEVEL, IRQ_SIGNAL_THROUGH);
-	vr41xx_set_irq_level(TB0219_PCI_SLOT3_PIN, IRQ_LEVEL_LOW);
-}
-
-static int tb0219_probe(struct platform_device *dev)
-{
-	int retval;
-
-	if (request_mem_region(TB0219_START, TB0219_SIZE, "TB0219") == NULL)
-		return -EBUSY;
-
-	tb0219_base = ioremap(TB0219_START, TB0219_SIZE);
-	if (tb0219_base == NULL) {
-		release_mem_region(TB0219_START, TB0219_SIZE);
-		return -ENOMEM;
-	}
-
-	retval = register_chrdev(major, "TB0219", &tb0219_fops);
-	if (retval < 0) {
-		iounmap(tb0219_base);
-		tb0219_base = NULL;
-		release_mem_region(TB0219_START, TB0219_SIZE);
-		return retval;
-	}
-
-	old_machine_restart = _machine_restart;
-	_machine_restart = tb0219_restart;
-
-	tb0219_pci_irq_init();
-
-	if (major == 0) {
-		major = retval;
-		printk(KERN_INFO "TB0219: major number %d\n", major);
-	}
-
-	return 0;
-}
-
-static int tb0219_remove(struct platform_device *dev)
-{
-	_machine_restart = old_machine_restart;
-
-	iounmap(tb0219_base);
-	tb0219_base = NULL;
-
-	release_mem_region(TB0219_START, TB0219_SIZE);
-
-	return 0;
-}
-
-static struct platform_device *tb0219_platform_device;
-
-static struct platform_driver tb0219_device_driver = {
-	.probe		= tb0219_probe,
-	.remove		= tb0219_remove,
-	.driver		= {
-		.name	= "TB0219",
-	},
-};
-
-static int __init tanbac_tb0219_init(void)
-{
-	int retval;
-
-	tb0219_platform_device = platform_device_alloc("TB0219", -1);
-	if (!tb0219_platform_device)
-		return -ENOMEM;
-
-	retval = platform_device_add(tb0219_platform_device);
-	if (retval < 0) {
-		platform_device_put(tb0219_platform_device);
-		return retval;
-	}
-
-	retval = platform_driver_register(&tb0219_device_driver);
-	if (retval < 0)
-		platform_device_unregister(tb0219_platform_device);
-
-	return retval;
-}
-
-static void __exit tanbac_tb0219_exit(void)
-{
-	platform_driver_unregister(&tb0219_device_driver);
-	platform_device_unregister(tb0219_platform_device);
-}
-
-module_init(tanbac_tb0219_init);
-module_exit(tanbac_tb0219_exit);