Now that arch/sh is removed this driver is dead code.
Signed-off-by: Christoph Hellwig hch@lst.de --- drivers/input/keyboard/Kconfig | 10 - drivers/input/keyboard/Makefile | 1 - drivers/input/keyboard/sh_keysc.c | 334 ------------------------------ 3 files changed, 345 deletions(-) delete mode 100644 drivers/input/keyboard/sh_keysc.c
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig index 84490915ae4d5a..882ec5fef214ac 100644 --- a/drivers/input/keyboard/Kconfig +++ b/drivers/input/keyboard/Kconfig @@ -625,16 +625,6 @@ config KEYBOARD_SUNKBD To compile this driver as a module, choose M here: the module will be called sunkbd.
-config KEYBOARD_SH_KEYSC - tristate "SuperH KEYSC keypad support" - depends on ARCH_SHMOBILE || COMPILE_TEST - help - Say Y here if you want to use a keypad attached to the KEYSC block - on SuperH processors such as sh7722 and sh7343. - - To compile this driver as a module, choose M here: the - module will be called sh_keysc. - config KEYBOARD_STMPE tristate "STMPE keypad support" depends on MFD_STMPE diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile index 5f67196bb2c1ea..8aba0b052b4504 100644 --- a/drivers/input/keyboard/Makefile +++ b/drivers/input/keyboard/Makefile @@ -60,7 +60,6 @@ obj-$(CONFIG_KEYBOARD_QT1050) += qt1050.o obj-$(CONFIG_KEYBOARD_QT1070) += qt1070.o obj-$(CONFIG_KEYBOARD_QT2160) += qt2160.o obj-$(CONFIG_KEYBOARD_SAMSUNG) += samsung-keypad.o -obj-$(CONFIG_KEYBOARD_SH_KEYSC) += sh_keysc.o obj-$(CONFIG_KEYBOARD_SNVS_PWRKEY) += snvs_pwrkey.o obj-$(CONFIG_KEYBOARD_SPEAR) += spear-keyboard.o obj-$(CONFIG_KEYBOARD_STMPE) += stmpe-keypad.o diff --git a/drivers/input/keyboard/sh_keysc.c b/drivers/input/keyboard/sh_keysc.c deleted file mode 100644 index 2c00320f739fc1..00000000000000 --- a/drivers/input/keyboard/sh_keysc.c +++ /dev/null @@ -1,334 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * SuperH KEYSC Keypad Driver - * - * Copyright (C) 2008 Magnus Damm - * - * Based on gpio_keys.c, Copyright 2005 Phil Blundell - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/delay.h> -#include <linux/platform_device.h> -#include <linux/input.h> -#include <linux/input/sh_keysc.h> -#include <linux/bitmap.h> -#include <linux/pm_runtime.h> -#include <linux/io.h> -#include <linux/slab.h> - -static const struct { - unsigned char kymd, keyout, keyin; -} sh_keysc_mode[] = { - [SH_KEYSC_MODE_1] = { 0, 6, 5 }, - [SH_KEYSC_MODE_2] = { 1, 5, 6 }, - [SH_KEYSC_MODE_3] = { 2, 4, 7 }, - [SH_KEYSC_MODE_4] = { 3, 6, 6 }, - [SH_KEYSC_MODE_5] = { 4, 6, 7 }, - [SH_KEYSC_MODE_6] = { 5, 8, 8 }, -}; - -struct sh_keysc_priv { - void __iomem *iomem_base; - DECLARE_BITMAP(last_keys, SH_KEYSC_MAXKEYS); - struct input_dev *input; - struct sh_keysc_info pdata; -}; - -#define KYCR1 0 -#define KYCR2 1 -#define KYINDR 2 -#define KYOUTDR 3 - -#define KYCR2_IRQ_LEVEL 0x10 -#define KYCR2_IRQ_DISABLED 0x00 - -static unsigned long sh_keysc_read(struct sh_keysc_priv *p, int reg_nr) -{ - return ioread16(p->iomem_base + (reg_nr << 2)); -} - -static void sh_keysc_write(struct sh_keysc_priv *p, int reg_nr, - unsigned long value) -{ - iowrite16(value, p->iomem_base + (reg_nr << 2)); -} - -static void sh_keysc_level_mode(struct sh_keysc_priv *p, - unsigned long keys_set) -{ - struct sh_keysc_info *pdata = &p->pdata; - - sh_keysc_write(p, KYOUTDR, 0); - sh_keysc_write(p, KYCR2, KYCR2_IRQ_LEVEL | (keys_set << 8)); - - if (pdata->kycr2_delay) - udelay(pdata->kycr2_delay); -} - -static void sh_keysc_map_dbg(struct device *dev, unsigned long *map, - const char *str) -{ - int k; - - for (k = 0; k < BITS_TO_LONGS(SH_KEYSC_MAXKEYS); k++) - dev_dbg(dev, "%s[%d] 0x%lx\n", str, k, map[k]); -} - -static irqreturn_t sh_keysc_isr(int irq, void *dev_id) -{ - struct platform_device *pdev = dev_id; - struct sh_keysc_priv *priv = platform_get_drvdata(pdev); - struct sh_keysc_info *pdata = &priv->pdata; - int keyout_nr = sh_keysc_mode[pdata->mode].keyout; - int keyin_nr = sh_keysc_mode[pdata->mode].keyin; - DECLARE_BITMAP(keys, SH_KEYSC_MAXKEYS); - DECLARE_BITMAP(keys0, SH_KEYSC_MAXKEYS); - DECLARE_BITMAP(keys1, SH_KEYSC_MAXKEYS); - unsigned char keyin_set, tmp; - int i, k, n; - - dev_dbg(&pdev->dev, "isr!\n"); - - bitmap_fill(keys1, SH_KEYSC_MAXKEYS); - bitmap_zero(keys0, SH_KEYSC_MAXKEYS); - - do { - bitmap_zero(keys, SH_KEYSC_MAXKEYS); - keyin_set = 0; - - sh_keysc_write(priv, KYCR2, KYCR2_IRQ_DISABLED); - - for (i = 0; i < keyout_nr; i++) { - n = keyin_nr * i; - - /* drive one KEYOUT pin low, read KEYIN pins */ - sh_keysc_write(priv, KYOUTDR, 0xffff ^ (3 << (i * 2))); - udelay(pdata->delay); - tmp = sh_keysc_read(priv, KYINDR); - - /* set bit if key press has been detected */ - for (k = 0; k < keyin_nr; k++) { - if (tmp & (1 << k)) - __set_bit(n + k, keys); - } - - /* keep track of which KEYIN bits that have been set */ - keyin_set |= tmp ^ ((1 << keyin_nr) - 1); - } - - sh_keysc_level_mode(priv, keyin_set); - - bitmap_complement(keys, keys, SH_KEYSC_MAXKEYS); - bitmap_and(keys1, keys1, keys, SH_KEYSC_MAXKEYS); - bitmap_or(keys0, keys0, keys, SH_KEYSC_MAXKEYS); - - sh_keysc_map_dbg(&pdev->dev, keys, "keys"); - - } while (sh_keysc_read(priv, KYCR2) & 0x01); - - sh_keysc_map_dbg(&pdev->dev, priv->last_keys, "last_keys"); - sh_keysc_map_dbg(&pdev->dev, keys0, "keys0"); - sh_keysc_map_dbg(&pdev->dev, keys1, "keys1"); - - for (i = 0; i < SH_KEYSC_MAXKEYS; i++) { - k = pdata->keycodes[i]; - if (!k) - continue; - - if (test_bit(i, keys0) == test_bit(i, priv->last_keys)) - continue; - - if (test_bit(i, keys1) || test_bit(i, keys0)) { - input_event(priv->input, EV_KEY, k, 1); - __set_bit(i, priv->last_keys); - } - - if (!test_bit(i, keys1)) { - input_event(priv->input, EV_KEY, k, 0); - __clear_bit(i, priv->last_keys); - } - - } - input_sync(priv->input); - - return IRQ_HANDLED; -} - -static int sh_keysc_probe(struct platform_device *pdev) -{ - struct sh_keysc_priv *priv; - struct sh_keysc_info *pdata; - struct resource *res; - struct input_dev *input; - int i; - int irq, error; - - if (!dev_get_platdata(&pdev->dev)) { - dev_err(&pdev->dev, "no platform data defined\n"); - error = -EINVAL; - goto err0; - } - - error = -ENXIO; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (res == NULL) { - dev_err(&pdev->dev, "failed to get I/O memory\n"); - goto err0; - } - - irq = platform_get_irq(pdev, 0); - if (irq < 0) - goto err0; - - priv = kzalloc(sizeof(*priv), GFP_KERNEL); - if (priv == NULL) { - dev_err(&pdev->dev, "failed to allocate driver data\n"); - error = -ENOMEM; - goto err0; - } - - platform_set_drvdata(pdev, priv); - memcpy(&priv->pdata, dev_get_platdata(&pdev->dev), sizeof(priv->pdata)); - pdata = &priv->pdata; - - priv->iomem_base = ioremap(res->start, resource_size(res)); - if (priv->iomem_base == NULL) { - dev_err(&pdev->dev, "failed to remap I/O memory\n"); - error = -ENXIO; - goto err1; - } - - priv->input = input_allocate_device(); - if (!priv->input) { - dev_err(&pdev->dev, "failed to allocate input device\n"); - error = -ENOMEM; - goto err2; - } - - input = priv->input; - input->evbit[0] = BIT_MASK(EV_KEY); - - input->name = pdev->name; - input->phys = "sh-keysc-keys/input0"; - input->dev.parent = &pdev->dev; - - input->id.bustype = BUS_HOST; - input->id.vendor = 0x0001; - input->id.product = 0x0001; - input->id.version = 0x0100; - - input->keycode = pdata->keycodes; - input->keycodesize = sizeof(pdata->keycodes[0]); - input->keycodemax = ARRAY_SIZE(pdata->keycodes); - - error = request_threaded_irq(irq, NULL, sh_keysc_isr, IRQF_ONESHOT, - dev_name(&pdev->dev), pdev); - if (error) { - dev_err(&pdev->dev, "failed to request IRQ\n"); - goto err3; - } - - for (i = 0; i < SH_KEYSC_MAXKEYS; i++) - __set_bit(pdata->keycodes[i], input->keybit); - __clear_bit(KEY_RESERVED, input->keybit); - - error = input_register_device(input); - if (error) { - dev_err(&pdev->dev, "failed to register input device\n"); - goto err4; - } - - pm_runtime_enable(&pdev->dev); - pm_runtime_get_sync(&pdev->dev); - - sh_keysc_write(priv, KYCR1, (sh_keysc_mode[pdata->mode].kymd << 8) | - pdata->scan_timing); - sh_keysc_level_mode(priv, 0); - - device_init_wakeup(&pdev->dev, 1); - - return 0; - - err4: - free_irq(irq, pdev); - err3: - input_free_device(input); - err2: - iounmap(priv->iomem_base); - err1: - kfree(priv); - err0: - return error; -} - -static int sh_keysc_remove(struct platform_device *pdev) -{ - struct sh_keysc_priv *priv = platform_get_drvdata(pdev); - - sh_keysc_write(priv, KYCR2, KYCR2_IRQ_DISABLED); - - input_unregister_device(priv->input); - free_irq(platform_get_irq(pdev, 0), pdev); - iounmap(priv->iomem_base); - - pm_runtime_put_sync(&pdev->dev); - pm_runtime_disable(&pdev->dev); - - kfree(priv); - - return 0; -} - -static int sh_keysc_suspend(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct sh_keysc_priv *priv = platform_get_drvdata(pdev); - int irq = platform_get_irq(pdev, 0); - unsigned short value; - - value = sh_keysc_read(priv, KYCR1); - - if (device_may_wakeup(dev)) { - sh_keysc_write(priv, KYCR1, value | 0x80); - enable_irq_wake(irq); - } else { - sh_keysc_write(priv, KYCR1, value & ~0x80); - pm_runtime_put_sync(dev); - } - - return 0; -} - -static int sh_keysc_resume(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - int irq = platform_get_irq(pdev, 0); - - if (device_may_wakeup(dev)) - disable_irq_wake(irq); - else - pm_runtime_get_sync(dev); - - return 0; -} - -static DEFINE_SIMPLE_DEV_PM_OPS(sh_keysc_dev_pm_ops, - sh_keysc_suspend, sh_keysc_resume); - -static struct platform_driver sh_keysc_device_driver = { - .probe = sh_keysc_probe, - .remove = sh_keysc_remove, - .driver = { - .name = "sh_keysc", - .pm = pm_sleep_ptr(&sh_keysc_dev_pm_ops), - } -}; -module_platform_driver(sh_keysc_device_driver); - -MODULE_AUTHOR("Magnus Damm"); -MODULE_DESCRIPTION("SuperH KEYSC Keypad Driver"); -MODULE_LICENSE("GPL");