From 1208ec59eac7d9fceb016c7b565d48838776f779 Mon Sep 17 00:00:00 2001 From: Thomas Bogendoerfer Date: Sat, 16 Jul 2022 15:08:01 +0200 Subject: [PATCH] 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 Link: https://lore.kernel.org/r/20220716130802.11660-1-tsbogend@alpha.franken.de Signed-off-by: Greg Kroah-Hartman --- drivers/char/Kconfig | 5 - drivers/char/Makefile | 1 - drivers/char/tb0219.c | 359 -------------------------------------------------- 3 files changed, 365 deletions(-) delete mode 100644 drivers/char/tb0219.c diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index 0b6c036..1c9ed69 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 264eb39..1b35d17 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 1f36be1..0000000 --- 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 - */ -#include -#include -#include -#include -#include - -#include -#include -#include -#include - -MODULE_AUTHOR("Yoichi Yuasa "); -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); -- 2.7.4