diff options
Diffstat (limited to 'drivers/input/keyboard')
-rw-r--r-- | drivers/input/keyboard/Kconfig | 9 | ||||
-rw-r--r-- | drivers/input/keyboard/Makefile | 1 | ||||
-rw-r--r-- | drivers/input/keyboard/atkbd.c | 322 | ||||
-rw-r--r-- | drivers/input/keyboard/corgikbd.c | 2 | ||||
-rw-r--r-- | drivers/input/keyboard/hilkbd.c | 1 | ||||
-rw-r--r-- | drivers/input/keyboard/lkkbd.c | 9 | ||||
-rw-r--r-- | drivers/input/keyboard/locomokbd.c | 1 | ||||
-rw-r--r-- | drivers/input/keyboard/newtonkbd.c | 2 | ||||
-rw-r--r-- | drivers/input/keyboard/omap-keypad.c | 492 | ||||
-rw-r--r-- | drivers/input/keyboard/spitzkbd.c | 12 | ||||
-rw-r--r-- | drivers/input/keyboard/sunkbd.c | 2 | ||||
-rw-r--r-- | drivers/input/keyboard/xtkbd.c | 2 |
12 files changed, 716 insertions, 139 deletions
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig index a9dda56f62c4..83eac3a66bc8 100644 --- a/drivers/input/keyboard/Kconfig +++ b/drivers/input/keyboard/Kconfig @@ -183,4 +183,13 @@ config KEYBOARD_HIL This driver implements support for HIL-keyboards attached to your machine, so normally you should say Y here. +config KEYBOARD_OMAP + tristate "TI OMAP keypad support" + depends on (ARCH_OMAP1 || ARCH_OMAP2) + help + Say Y here if you want to use the OMAP keypad. + + To compile this driver as a module, choose M here: the + module will be called omap-keypad. + endif diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile index 2708167ba175..b265391f1f10 100644 --- a/drivers/input/keyboard/Makefile +++ b/drivers/input/keyboard/Makefile @@ -15,4 +15,5 @@ obj-$(CONFIG_KEYBOARD_CORGI) += corgikbd.o obj-$(CONFIG_KEYBOARD_SPITZ) += spitzkbd.o obj-$(CONFIG_KEYBOARD_HIL) += hil_kbd.o obj-$(CONFIG_KEYBOARD_HIL_OLD) += hilkbd.o +obj-$(CONFIG_KEYBOARD_OMAP) += omap-keypad.o diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c index fad04b66d268..a86afd0a5ef1 100644 --- a/drivers/input/keyboard/atkbd.c +++ b/drivers/input/keyboard/atkbd.c @@ -55,7 +55,7 @@ static int atkbd_softraw = 1; module_param_named(softraw, atkbd_softraw, bool, 0); MODULE_PARM_DESC(softraw, "Use software generated rawmode"); -static int atkbd_scroll = 0; +static int atkbd_scroll; module_param_named(scroll, atkbd_scroll, bool, 0); MODULE_PARM_DESC(scroll, "Enable scroll-wheel on MS Office and similar keyboards"); @@ -150,8 +150,8 @@ static unsigned char atkbd_unxlate_table[128] = { #define ATKBD_RET_EMUL0 0xe0 #define ATKBD_RET_EMUL1 0xe1 #define ATKBD_RET_RELEASE 0xf0 -#define ATKBD_RET_HANGUEL 0xf1 -#define ATKBD_RET_HANJA 0xf2 +#define ATKBD_RET_HANJA 0xf1 +#define ATKBD_RET_HANGEUL 0xf2 #define ATKBD_RET_ERR 0xff #define ATKBD_KEY_UNKNOWN 0 @@ -170,6 +170,13 @@ static unsigned char atkbd_unxlate_table[128] = { #define ATKBD_LED_EVENT_BIT 0 #define ATKBD_REP_EVENT_BIT 1 +#define ATKBD_XL_ERR 0x01 +#define ATKBD_XL_BAT 0x02 +#define ATKBD_XL_ACK 0x04 +#define ATKBD_XL_NAK 0x08 +#define ATKBD_XL_HANGEUL 0x10 +#define ATKBD_XL_HANJA 0x20 + static struct { unsigned char keycode; unsigned char set2; @@ -211,8 +218,7 @@ struct atkbd { unsigned char emul; unsigned char resend; unsigned char release; - unsigned char bat_xl; - unsigned char err_xl; + unsigned long xl_bit; unsigned int last; unsigned long time; @@ -245,17 +251,65 @@ ATKBD_DEFINE_ATTR(set); ATKBD_DEFINE_ATTR(softrepeat); ATKBD_DEFINE_ATTR(softraw); +static const unsigned int xl_table[] = { + ATKBD_RET_BAT, ATKBD_RET_ERR, ATKBD_RET_ACK, + ATKBD_RET_NAK, ATKBD_RET_HANJA, ATKBD_RET_HANGEUL, +}; -static void atkbd_report_key(struct input_dev *dev, struct pt_regs *regs, int code, int value) +/* + * Checks if we should mangle the scancode to extract 'release' bit + * in translated mode. + */ +static int atkbd_need_xlate(unsigned long xl_bit, unsigned char code) { - input_regs(dev, regs); - if (value == 3) { - input_report_key(dev, code, 1); - input_sync(dev); - input_report_key(dev, code, 0); - } else - input_event(dev, EV_KEY, code, value); - input_sync(dev); + int i; + + if (code == ATKBD_RET_EMUL0 || code == ATKBD_RET_EMUL1) + return 0; + + for (i = 0; i < ARRAY_SIZE(xl_table); i++) + if (code == xl_table[i]) + return test_bit(i, &xl_bit); + + return 1; +} + +/* + * Calculates new value of xl_bit so the driver can distinguish + * between make/break pair of scancodes for select keys and PS/2 + * protocol responses. + */ +static void atkbd_calculate_xl_bit(struct atkbd *atkbd, unsigned char code) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(xl_table); i++) { + if (!((code ^ xl_table[i]) & 0x7f)) { + if (code & 0x80) + __clear_bit(i, &atkbd->xl_bit); + else + __set_bit(i, &atkbd->xl_bit); + break; + } + } +} + +/* + * Encode the scancode, 0xe0 prefix, and high bit into a single integer, + * keeping kernel 2.4 compatibility for set 2 + */ +static unsigned int atkbd_compat_scancode(struct atkbd *atkbd, unsigned int code) +{ + if (atkbd->set == 3) { + if (atkbd->emul == 1) + code |= 0x100; + } else { + code = (code & 0x7f) | ((code & 0x80) << 1); + if (atkbd->emul == 1) + code |= 0x80; + } + + return code; } /* @@ -267,9 +321,11 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data, unsigned int flags, struct pt_regs *regs) { struct atkbd *atkbd = serio_get_drvdata(serio); + struct input_dev *dev = atkbd->dev; unsigned int code = data; - int scroll = 0, hscroll = 0, click = -1; + int scroll = 0, hscroll = 0, click = -1, add_release_event = 0; int value; + unsigned char keycode; #ifdef ATKBD_DEBUG printk(KERN_DEBUG "atkbd.c: Received %02x flags %02x\n", data, flags); @@ -298,25 +354,17 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data, if (!atkbd->enabled) goto out; - input_event(atkbd->dev, EV_MSC, MSC_RAW, code); + input_event(dev, EV_MSC, MSC_RAW, code); if (atkbd->translated) { - if (atkbd->emul || - (code != ATKBD_RET_EMUL0 && code != ATKBD_RET_EMUL1 && - code != ATKBD_RET_HANGUEL && code != ATKBD_RET_HANJA && - (code != ATKBD_RET_ERR || atkbd->err_xl) && - (code != ATKBD_RET_BAT || atkbd->bat_xl))) { + if (atkbd->emul || atkbd_need_xlate(atkbd->xl_bit, code)) { atkbd->release = code >> 7; code &= 0x7f; } - if (!atkbd->emul) { - if ((code & 0x7f) == (ATKBD_RET_BAT & 0x7f)) - atkbd->bat_xl = !(data >> 7); - if ((code & 0x7f) == (ATKBD_RET_ERR & 0x7f)) - atkbd->err_xl = !(data >> 7); - } + if (!atkbd->emul) + atkbd_calculate_xl_bit(atkbd, data); } switch (code) { @@ -333,47 +381,48 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data, case ATKBD_RET_RELEASE: atkbd->release = 1; goto out; - case ATKBD_RET_HANGUEL: - atkbd_report_key(atkbd->dev, regs, KEY_HANGUEL, 3); + case ATKBD_RET_ACK: + case ATKBD_RET_NAK: + printk(KERN_WARNING "atkbd.c: Spurious %s on %s. " + "Some program might be trying access hardware directly.\n", + data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys); goto out; + case ATKBD_RET_HANGEUL: case ATKBD_RET_HANJA: - atkbd_report_key(atkbd->dev, regs, KEY_HANJA, 3); - goto out; + /* + * These keys do not report release and thus need to be + * flagged properly + */ + add_release_event = 1; + break; case ATKBD_RET_ERR: printk(KERN_DEBUG "atkbd.c: Keyboard on %s reports too many keys pressed.\n", serio->phys); goto out; } - if (atkbd->set != 3) - code = (code & 0x7f) | ((code & 0x80) << 1); - if (atkbd->emul) { - if (--atkbd->emul) - goto out; - code |= (atkbd->set != 3) ? 0x80 : 0x100; - } + code = atkbd_compat_scancode(atkbd, code); + + if (atkbd->emul && --atkbd->emul) + goto out; + + keycode = atkbd->keycode[code]; - if (atkbd->keycode[code] != ATKBD_KEY_NULL) - input_event(atkbd->dev, EV_MSC, MSC_SCAN, code); + if (keycode != ATKBD_KEY_NULL) + input_event(dev, EV_MSC, MSC_SCAN, code); - switch (atkbd->keycode[code]) { + switch (keycode) { case ATKBD_KEY_NULL: break; case ATKBD_KEY_UNKNOWN: - if (data == ATKBD_RET_ACK || data == ATKBD_RET_NAK) { - printk(KERN_WARNING "atkbd.c: Spurious %s on %s. Some program, " - "like XFree86, might be trying access hardware directly.\n", - data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys); - } else { - printk(KERN_WARNING "atkbd.c: Unknown key %s " - "(%s set %d, code %#x on %s).\n", - atkbd->release ? "released" : "pressed", - atkbd->translated ? "translated" : "raw", - atkbd->set, code, serio->phys); - printk(KERN_WARNING "atkbd.c: Use 'setkeycodes %s%02x <keycode>' " - "to make it known.\n", - code & 0x80 ? "e0" : "", code & 0x7f); - } - input_sync(atkbd->dev); + printk(KERN_WARNING + "atkbd.c: Unknown key %s (%s set %d, code %#x on %s).\n", + atkbd->release ? "released" : "pressed", + atkbd->translated ? "translated" : "raw", + atkbd->set, code, serio->phys); + printk(KERN_WARNING + "atkbd.c: Use 'setkeycodes %s%02x <keycode>' to make it known.\n", + code & 0x80 ? "e0" : "", code & 0x7f); + input_sync(dev); break; case ATKBD_SCR_1: scroll = 1 - atkbd->release * 2; @@ -397,33 +446,35 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data, hscroll = 1; break; default: - value = atkbd->release ? 0 : - (1 + (!atkbd->softrepeat && test_bit(atkbd->keycode[code], atkbd->dev->key))); - - switch (value) { /* Workaround Toshiba laptop multiple keypress */ - case 0: - atkbd->last = 0; - break; - case 1: - atkbd->last = code; - atkbd->time = jiffies + msecs_to_jiffies(atkbd->dev->rep[REP_DELAY]) / 2; - break; - case 2: - if (!time_after(jiffies, atkbd->time) && atkbd->last == code) - value = 1; - break; + if (atkbd->release) { + value = 0; + atkbd->last = 0; + } else if (!atkbd->softrepeat && test_bit(keycode, dev->key)) { + /* Workaround Toshiba laptop multiple keypress */ + value = time_before(jiffies, atkbd->time) && atkbd->last == code ? 1 : 2; + } else { + value = 1; + atkbd->last = code; + atkbd->time = jiffies + msecs_to_jiffies(dev->rep[REP_DELAY]) / 2; } - atkbd_report_key(atkbd->dev, regs, atkbd->keycode[code], value); + input_regs(dev, regs); + input_event(dev, EV_KEY, keycode, value); + input_sync(dev); + + if (value && add_release_event) { + input_report_key(dev, keycode, 0); + input_sync(dev); + } } if (atkbd->scroll) { - input_regs(atkbd->dev, regs); + input_regs(dev, regs); if (click != -1) - input_report_key(atkbd->dev, BTN_MIDDLE, click); - input_report_rel(atkbd->dev, REL_WHEEL, scroll); - input_report_rel(atkbd->dev, REL_HWHEEL, hscroll); - input_sync(atkbd->dev); + input_report_key(dev, BTN_MIDDLE, click); + input_report_rel(dev, REL_WHEEL, scroll); + input_report_rel(dev, REL_HWHEEL, hscroll); + input_sync(dev); } atkbd->release = 0; @@ -431,13 +482,7 @@ out: return IRQ_HANDLED; } -/* - * atkbd_event_work() is used to complete processing of events that - * can not be processed by input_event() which is often called from - * interrupt context. - */ - -static void atkbd_event_work(void *data) +static int atkbd_set_repeat_rate(struct atkbd *atkbd) { const short period[32] = { 33, 37, 42, 46, 50, 54, 58, 63, 67, 75, 83, 92, 100, 109, 116, 125, @@ -445,41 +490,64 @@ static void atkbd_event_work(void *data) const short delay[4] = { 250, 500, 750, 1000 }; - struct atkbd *atkbd = data; + struct input_dev *dev = atkbd->dev; + unsigned char param; + int i = 0, j = 0; + + while (i < ARRAY_SIZE(period) - 1 && period[i] < dev->rep[REP_PERIOD]) + i++; + dev->rep[REP_PERIOD] = period[i]; + + while (j < ARRAY_SIZE(delay) - 1 && delay[j] < dev->rep[REP_DELAY]) + j++; + dev->rep[REP_DELAY] = delay[j]; + + param = i | (j << 5); + return ps2_command(&atkbd->ps2dev, ¶m, ATKBD_CMD_SETREP); +} + +static int atkbd_set_leds(struct atkbd *atkbd) +{ struct input_dev *dev = atkbd->dev; unsigned char param[2]; - int i, j; - mutex_lock(&atkbd->event_mutex); + param[0] = (test_bit(LED_SCROLLL, dev->led) ? 1 : 0) + | (test_bit(LED_NUML, dev->led) ? 2 : 0) + | (test_bit(LED_CAPSL, dev->led) ? 4 : 0); + if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS)) + return -1; - if (test_and_clear_bit(ATKBD_LED_EVENT_BIT, &atkbd->event_mask)) { - param[0] = (test_bit(LED_SCROLLL, dev->led) ? 1 : 0) - | (test_bit(LED_NUML, dev->led) ? 2 : 0) - | (test_bit(LED_CAPSL, dev->led) ? 4 : 0); - ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS); - - if (atkbd->extra) { - param[0] = 0; - param[1] = (test_bit(LED_COMPOSE, dev->led) ? 0x01 : 0) - | (test_bit(LED_SLEEP, dev->led) ? 0x02 : 0) - | (test_bit(LED_SUSPEND, dev->led) ? 0x04 : 0) - | (test_bit(LED_MISC, dev->led) ? 0x10 : 0) - | (test_bit(LED_MUTE, dev->led) ? 0x20 : 0); - ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_EX_SETLEDS); - } + if (atkbd->extra) { + param[0] = 0; + param[1] = (test_bit(LED_COMPOSE, dev->led) ? 0x01 : 0) + | (test_bit(LED_SLEEP, dev->led) ? 0x02 : 0) + | (test_bit(LED_SUSPEND, dev->led) ? 0x04 : 0) + | (test_bit(LED_MISC, dev->led) ? 0x10 : 0) + | (test_bit(LED_MUTE, dev->led) ? 0x20 : 0); + if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_EX_SETLEDS)) + return -1; } - if (test_and_clear_bit(ATKBD_REP_EVENT_BIT, &atkbd->event_mask)) { - i = j = 0; - while (i < 31 && period[i] < dev->rep[REP_PERIOD]) - i++; - while (j < 3 && delay[j] < dev->rep[REP_DELAY]) - j++; - dev->rep[REP_PERIOD] = period[i]; - dev->rep[REP_DELAY] = delay[j]; - param[0] = i | (j << 5); - ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETREP); - } + return 0; +} + +/* + * atkbd_event_work() is used to complete processing of events that + * can not be processed by input_event() which is often called from + * interrupt context. + */ + +static void atkbd_event_work(void *data) +{ + struct atkbd *atkbd = data; + + mutex_lock(&atkbd->event_mutex); + + if (test_and_clear_bit(ATKBD_LED_EVENT_BIT, &atkbd->event_mask)) + atkbd_set_leds(atkbd); + + if (test_and_clear_bit(ATKBD_REP_EVENT_BIT, &atkbd->event_mask)) + atkbd_set_repeat_rate(atkbd); mutex_unlock(&atkbd->event_mutex); } @@ -764,6 +832,9 @@ static void atkbd_set_keycode_table(struct atkbd *atkbd) for (i = 0; i < ARRAY_SIZE(atkbd_scroll_keys); i++) atkbd->keycode[atkbd_scroll_keys[i].set2] = atkbd_scroll_keys[i].keycode; } + + atkbd->keycode[atkbd_compat_scancode(atkbd, ATKBD_RET_HANGEUL)] = KEY_HANGUEL; + atkbd->keycode[atkbd_compat_scancode(atkbd, ATKBD_RET_HANJA)] = KEY_HANJA; } /* @@ -776,12 +847,15 @@ static void atkbd_set_device_attrs(struct atkbd *atkbd) int i; if (atkbd->extra) - sprintf(atkbd->name, "AT Set 2 Extra keyboard"); + snprintf(atkbd->name, sizeof(atkbd->name), + "AT Set 2 Extra keyboard"); else - sprintf(atkbd->name, "AT %s Set %d keyboard", - atkbd->translated ? "Translated" : "Raw", atkbd->set); + snprintf(atkbd->name, sizeof(atkbd->name), + "AT %s Set %d keyboard", + atkbd->translated ? "Translated" : "Raw", atkbd->set); - sprintf(atkbd->phys, "%s/input0", atkbd->ps2dev.serio->phys); + snprintf(atkbd->phys, sizeof(atkbd->phys), + "%s/input0", atkbd->ps2dev.serio->phys); input_dev->name = atkbd->name; input_dev->phys = atkbd->phys; @@ -918,7 +992,6 @@ static int atkbd_reconnect(struct serio *serio) { struct atkbd *atkbd = serio_get_drvdata(serio); struct serio_driver *drv = serio->drv; - unsigned char param[1]; if (!atkbd || !drv) { printk(KERN_DEBUG "atkbd: reconnect request, but serio is disconnected, ignoring...\n"); @@ -928,10 +1001,6 @@ static int atkbd_reconnect(struct serio *serio) atkbd_disable(atkbd); if (atkbd->write) { - param[0] = (test_bit(LED_SCROLLL, atkbd->dev->led) ? 1 : 0) - | (test_bit(LED_NUML, atkbd->dev->led) ? 2 : 0) - | (test_bit(LED_CAPSL, atkbd->dev->led) ? 4 : 0); - if (atkbd_probe(atkbd)) return -1; if (atkbd->set != atkbd_select_set(atkbd, atkbd->set, atkbd->extra)) @@ -939,8 +1008,13 @@ static int atkbd_reconnect(struct serio *serio) atkbd_activate(atkbd); - if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS)) - return -1; +/* + * Restore repeat rate and LEDs (that were reset by atkbd_activate) + * to pre-resume state + */ + if (!atkbd->softrepeat) + atkbd_set_repeat_rate(atkbd); + atkbd_set_leds(atkbd); } atkbd_enable(atkbd); diff --git a/drivers/input/keyboard/corgikbd.c b/drivers/input/keyboard/corgikbd.c index 1f0e720267d7..1e03153b9bca 100644 --- a/drivers/input/keyboard/corgikbd.c +++ b/drivers/input/keyboard/corgikbd.c @@ -352,7 +352,7 @@ static int __init corgikbd_probe(struct platform_device *pdev) for (i = 0; i < CORGI_KEY_SENSE_NUM; i++) { pxa_gpio_mode(CORGI_GPIO_KEY_SENSE(i) | GPIO_IN); if (request_irq(CORGI_IRQ_GPIO_KEY_SENSE(i), corgikbd_interrupt, - SA_INTERRUPT | SA_TRIGGER_RISING, + IRQF_DISABLED | IRQF_TRIGGER_RISING, "corgikbd", corgikbd)) printk(KERN_WARNING "corgikbd: Can't get IRQ: %d!\n", i); } diff --git a/drivers/input/keyboard/hilkbd.c b/drivers/input/keyboard/hilkbd.c index 33edd030aa75..d22c7c624296 100644 --- a/drivers/input/keyboard/hilkbd.c +++ b/drivers/input/keyboard/hilkbd.c @@ -18,7 +18,6 @@ #include <linux/pci_ids.h> #include <linux/ioport.h> #include <linux/module.h> -#include <linux/config.h> #include <linux/errno.h> #include <linux/input.h> #include <linux/init.h> diff --git a/drivers/input/keyboard/lkkbd.c b/drivers/input/keyboard/lkkbd.c index 77c4d9669ad0..5174224cadb4 100644 --- a/drivers/input/keyboard/lkkbd.c +++ b/drivers/input/keyboard/lkkbd.c @@ -384,18 +384,21 @@ lkkbd_detection_done (struct lkkbd *lk) */ switch (lk->id[4]) { case 1: - sprintf (lk->name, "DEC LK201 keyboard"); + strlcpy (lk->name, "DEC LK201 keyboard", + sizeof (lk->name)); if (lk201_compose_is_alt) lk->keycode[0xb1] = KEY_LEFTALT; break; case 2: - sprintf (lk->name, "DEC LK401 keyboard"); + strlcpy (lk->name, "DEC LK401 keyboard", + sizeof (lk->name)); break; default: - sprintf (lk->name, "Unknown DEC keyboard"); + strlcpy (lk->name, "Unknown DEC keyboard", + sizeof (lk->name)); printk (KERN_ERR "lkkbd: keyboard on %s is unknown, " "please report to Jan-Benedict Glaw " "<jbglaw@lug-owl.de>\n", lk->phys); diff --git a/drivers/input/keyboard/locomokbd.c b/drivers/input/keyboard/locomokbd.c index 2c510881874a..83906f80ba21 100644 --- a/drivers/input/keyboard/locomokbd.c +++ b/drivers/input/keyboard/locomokbd.c @@ -25,7 +25,6 @@ * */ -#include <linux/config.h> #include <linux/slab.h> #include <linux/module.h> #include <linux/init.h> diff --git a/drivers/input/keyboard/newtonkbd.c b/drivers/input/keyboard/newtonkbd.c index d10983c521e6..40a3f551247e 100644 --- a/drivers/input/keyboard/newtonkbd.c +++ b/drivers/input/keyboard/newtonkbd.c @@ -96,7 +96,7 @@ static int nkbd_connect(struct serio *serio, struct serio_driver *drv) nkbd->serio = serio; nkbd->dev = input_dev; - sprintf(nkbd->phys, "%s/input0", serio->phys); + snprintf(nkbd->phys, sizeof(nkbd->phys), "%s/input0", serio->phys); memcpy(nkbd->keycode, nkbd_keycode, sizeof(nkbd->keycode)); input_dev->name = "Newton Keyboard"; diff --git a/drivers/input/keyboard/omap-keypad.c b/drivers/input/keyboard/omap-keypad.c new file mode 100644 index 000000000000..d436287d1d2e --- /dev/null +++ b/drivers/input/keyboard/omap-keypad.c @@ -0,0 +1,492 @@ +/* + * linux/drivers/input/keyboard/omap-keypad.c + * + * OMAP Keypad Driver + * + * Copyright (C) 2003 Nokia Corporation + * Written by Timo Teräs <ext-timo.teras@nokia.com> + * + * Added support for H2 & H3 Keypad + * Copyright (C) 2004 Texas Instruments + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/types.h> +#include <linux/input.h> +#include <linux/kernel.h> +#include <linux/delay.h> +#include <linux/platform_device.h> +#include <linux/mutex.h> +#include <linux/errno.h> +#include <asm/arch/gpio.h> +#include <asm/arch/keypad.h> +#include <asm/arch/menelaus.h> +#include <asm/irq.h> +#include <asm/hardware.h> +#include <asm/io.h> +#include <asm/mach-types.h> +#include <asm/arch/mux.h> + +#undef NEW_BOARD_LEARNING_MODE + +static void omap_kp_tasklet(unsigned long); +static void omap_kp_timer(unsigned long); + +static unsigned char keypad_state[8]; +static DEFINE_MUTEX(kp_enable_mutex); +static int kp_enable = 1; +static int kp_cur_group = -1; + +struct omap_kp { + struct input_dev *input; + struct timer_list timer; + int irq; + unsigned int rows; + unsigned int cols; + unsigned long delay; + unsigned int debounce; +}; + +DECLARE_TASKLET_DISABLED(kp_tasklet, omap_kp_tasklet, 0); + +static int *keymap; +static unsigned int *row_gpios; +static unsigned int *col_gpios; + +#ifdef CONFIG_ARCH_OMAP2 +static void set_col_gpio_val(struct omap_kp *omap_kp, u8 value) +{ + int col; + for (col = 0; col < omap_kp->cols; col++) { + if (value & (1 << col)) + omap_set_gpio_dataout(col_gpios[col], 1); + else + omap_set_gpio_dataout(col_gpios[col], 0); + } +} + +static u8 get_row_gpio_val(struct omap_kp *omap_kp) +{ + int row; + u8 value = 0; + + for (row = 0; row < omap_kp->rows; row++) { + if (omap_get_gpio_datain(row_gpios[row])) + value |= (1 << row); + } + return value; +} +#else +#define set_col_gpio_val(x, y) do {} while (0) +#define get_row_gpio_val(x) 0 +#endif + +static irqreturn_t omap_kp_interrupt(int irq, void *dev_id, + struct pt_regs *regs) +{ + struct omap_kp *omap_kp = dev_id; + + /* disable keyboard interrupt and schedule for handling */ + if (cpu_is_omap24xx()) { + int i; + for (i = 0; i < omap_kp->rows; i++) + disable_irq(OMAP_GPIO_IRQ(row_gpios[i])); + } else + /* disable keyboard interrupt and schedule for handling */ + omap_writew(1, OMAP_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT); + + tasklet_schedule(&kp_tasklet); + + return IRQ_HANDLED; +} + +static void omap_kp_timer(unsigned long data) +{ + tasklet_schedule(&kp_tasklet); +} + +static void omap_kp_scan_keypad(struct omap_kp *omap_kp, unsigned char *state) +{ + int col = 0; + + /* read the keypad status */ + if (cpu_is_omap24xx()) { + int i; + for (i = 0; i < omap_kp->rows; i++) + disable_irq(OMAP_GPIO_IRQ(row_gpios[i])); + + /* read the keypad status */ + for (col = 0; col < omap_kp->cols; col++) { + set_col_gpio_val(omap_kp, ~(1 << col)); + state[col] = ~(get_row_gpio_val(omap_kp)) & 0x3f; + } + set_col_gpio_val(omap_kp, 0); + + } else { + /* disable keyboard interrupt and schedule for handling */ + omap_writew(1, OMAP_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT); + + /* read the keypad status */ + omap_writew(0xff, OMAP_MPUIO_BASE + OMAP_MPUIO_KBC); + for (col = 0; col < omap_kp->cols; col++) { + omap_writew(~(1 << col) & 0xff, + OMAP_MPUIO_BASE + OMAP_MPUIO_KBC); + + udelay(omap_kp->delay); + + state[col] = ~omap_readw(OMAP_MPUIO_BASE + + OMAP_MPUIO_KBR_LATCH) & 0xff; + } + omap_writew(0x00, OMAP_MPUIO_BASE + OMAP_MPUIO_KBC); + udelay(2); + } +} + +static inline int omap_kp_find_key(int col, int row) +{ + int i, key; + + key = KEY(col, row, 0); + for (i = 0; keymap[i] != 0; i++) + if ((keymap[i] & 0xff000000) == key) + return keymap[i] & 0x00ffffff; + return -1; +} + +static void omap_kp_tasklet(unsigned long data) +{ + struct omap_kp *omap_kp_data = (struct omap_kp *) data; + unsigned char new_state[8], changed, key_down = 0; + int col, row; + int spurious = 0; + + /* check for any changes */ + omap_kp_scan_keypad(omap_kp_data, new_state); + + /* check for changes and print those */ + for (col = 0; col < omap_kp_data->cols; col++) { + changed = new_state[col] ^ keypad_state[col]; + key_down |= new_state[col]; + if (changed == 0) + continue; + + for (row = 0; row < omap_kp_data->rows; row++) { + int key; + if (!(changed & (1 << row))) + continue; +#ifdef NEW_BOARD_LEARNING_MODE + printk(KERN_INFO "omap-keypad: key %d-%d %s\n", col, + row, (new_state[col] & (1 << row)) ? + "pressed" : "released"); +#else + key = omap_kp_find_key(col, row); + if (key < 0) { + printk(KERN_WARNING + "omap-keypad: Spurious key event %d-%d\n", + col, row); + /* We scan again after a couple of seconds */ + spurious = 1; + continue; + } + + if (!(kp_cur_group == (key & GROUP_MASK) || + kp_cur_group == -1)) + continue; + + kp_cur_group = key & GROUP_MASK; + input_report_key(omap_kp_data->input, key & ~GROUP_MASK, + new_state[col] & (1 << row)); +#endif + } + } + memcpy(keypad_state, new_state, sizeof(keypad_state)); + + if (key_down) { + int delay = HZ / 20; + /* some key is pressed - keep irq disabled and use timer + * to poll the keypad */ + if (spurious) + delay = 2 * HZ; + mod_timer(&omap_kp_data->timer, jiffies + delay); + } else { + /* enable interrupts */ + if (cpu_is_omap24xx()) { + int i; + for (i = 0; i < omap_kp_data->rows; i++) + enable_irq(OMAP_GPIO_IRQ(row_gpios[i])); + } else { + omap_writew(0, OMAP_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT); + kp_cur_group = -1; + } + } +} + +static ssize_t omap_kp_enable_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "%u\n", kp_enable); +} + +static ssize_t omap_kp_enable_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + int state; + + if (sscanf(buf, "%u", &state) != 1) + return -EINVAL; + + if ((state != 1) && (state != 0)) + return -EINVAL; + + mutex_lock(&kp_enable_mutex); + if (state != kp_enable) { + if (state) + enable_irq(INT_KEYBOARD); + else + disable_irq(INT_KEYBOARD); + kp_enable = state; + } + mutex_unlock(&kp_enable_mutex); + + return strnlen(buf, count); +} + +static DEVICE_ATTR(enable, S_IRUGO | S_IWUSR, omap_kp_enable_show, omap_kp_enable_store); + +#ifdef CONFIG_PM +static int omap_kp_suspend(struct platform_device *dev, pm_message_t state) +{ + /* Nothing yet */ + + return 0; +} + +static int omap_kp_resume(struct platform_device *dev) +{ + /* Nothing yet */ + + return 0; +} +#else +#define omap_kp_suspend NULL +#define omap_kp_resume NULL +#endif + +static int __init omap_kp_probe(struct platform_device *pdev) +{ + struct omap_kp *omap_kp; + struct input_dev *input_dev; + struct omap_kp_platform_data *pdata = pdev->dev.platform_data; + int i, col_idx, row_idx, irq_idx, ret; + + if (!pdata->rows || !pdata->cols || !pdata->keymap) { + printk(KERN_ERR "No rows, cols or keymap from pdata\n"); + return -EINVAL; + } + + omap_kp = kzalloc(sizeof(struct omap_kp), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!omap_kp || !input_dev) { + kfree(omap_kp); + input_free_device(input_dev); + return -ENOMEM; + } + + platform_set_drvdata(pdev, omap_kp); + + omap_kp->input = input_dev; + + /* Disable the interrupt for the MPUIO keyboard */ + if (!cpu_is_omap24xx()) + omap_writew(1, OMAP_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT); + + keymap = pdata->keymap; + + if (pdata->rep) + set_bit(EV_REP, input_dev->evbit); + + if (pdata->delay) + omap_kp->delay = pdata->delay; + + if (pdata->row_gpios && pdata->col_gpios) { + row_gpios = pdata->row_gpios; + col_gpios = pdata->col_gpios; + } + + omap_kp->rows = pdata->rows; + omap_kp->cols = pdata->cols; + + if (cpu_is_omap24xx()) { + /* Cols: outputs */ + for (col_idx = 0; col_idx < omap_kp->cols; col_idx++) { + if (omap_request_gpio(col_gpios[col_idx]) < 0) { + printk(KERN_ERR "Failed to request" + "GPIO%d for keypad\n", + col_gpios[col_idx]); + goto err1; + } + omap_set_gpio_direction(col_gpios[col_idx], 0); + } + /* Rows: inputs */ + for (row_idx = 0; row_idx < omap_kp->rows; row_idx++) { + if (omap_request_gpio(row_gpios[row_idx]) < 0) { + printk(KERN_ERR "Failed to request" + "GPIO%d for keypad\n", + row_gpios[row_idx]); + goto err2; + } + omap_set_gpio_direction(row_gpios[row_idx], 1); + } + } + + setup_timer(&omap_kp->timer, omap_kp_timer, (unsigned long)omap_kp); + + /* get the irq and init timer*/ + tasklet_enable(&kp_tasklet); + kp_tasklet.data = (unsigned long) omap_kp; + + ret = device_create_file(&pdev->dev, &dev_attr_enable); + if (ret < 0) + goto err2; + + /* setup input device */ + set_bit(EV_KEY, input_dev->evbit); + for (i = 0; keymap[i] != 0; i++) + set_bit(keymap[i] & KEY_MAX, input_dev->keybit); + input_dev->name = "omap-keypad"; + input_dev->phys = "omap-keypad/input0"; + input_dev->cdev.dev = &pdev->dev; + input_dev->private = omap_kp; + + input_dev->id.bustype = BUS_HOST; + input_dev->id.vendor = 0x0001; + input_dev->id.product = 0x0001; + input_dev->id.version = 0x0100; + + input_dev->keycode = keymap; + input_dev->keycodesize = sizeof(unsigned int); + input_dev->keycodemax = pdata->keymapsize; + + ret = input_register_device(omap_kp->input); + if (ret < 0) { + printk(KERN_ERR "Unable to register omap-keypad input device\n"); + goto err3; + } + + if (pdata->dbounce) + omap_writew(0xff, OMAP_MPUIO_BASE + OMAP_MPUIO_GPIO_DEBOUNCING); + + /* scan current status and enable interrupt */ + omap_kp_scan_keypad(omap_kp, keypad_state); + if (!cpu_is_omap24xx()) { + omap_kp->irq = platform_get_irq(pdev, 0); + if (omap_kp->irq >= 0) { + if (request_irq(omap_kp->irq, omap_kp_interrupt, 0, + "omap-keypad", omap_kp) < 0) + goto err4; + } + omap_writew(0, OMAP_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT); + } else { + for (irq_idx = 0; irq_idx < omap_kp->rows; irq_idx++) { + if (request_irq(OMAP_GPIO_IRQ(row_gpios[irq_idx]), + omap_kp_interrupt, + IRQF_TRIGGER_FALLING, + "omap-keypad", omap_kp) < 0) + goto err5; + } + } + return 0; +err5: + for (i = irq_idx-1; i >=0; i--) + free_irq(row_gpios[i], 0); +err4: + input_unregister_device(omap_kp->input); + input_dev = NULL; +err3: + device_remove_file(&pdev->dev, &dev_attr_enable); +err2: + for (i = row_idx-1; i >=0; i--) + omap_free_gpio(row_gpios[i]); +err1: + for (i = col_idx-1; i >=0; i--) + omap_free_gpio(col_gpios[i]); + + kfree(omap_kp); + input_free_device(input_dev); + + return -EINVAL; +} + +static int omap_kp_remove(struct platform_device *pdev) +{ + struct omap_kp *omap_kp = platform_get_drvdata(pdev); + + /* disable keypad interrupt handling */ + tasklet_disable(&kp_tasklet); + if (cpu_is_omap24xx()) { + int i; + for (i = 0; i < omap_kp->cols; i++) + omap_free_gpio(col_gpios[i]); + for (i = 0; i < omap_kp->rows; i++) { + omap_free_gpio(row_gpios[i]); + free_irq(OMAP_GPIO_IRQ(row_gpios[i]), 0); + } + } else { + omap_writew(1, OMAP_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT); + free_irq(omap_kp->irq, 0); + } + + del_timer_sync(&omap_kp->timer); + tasklet_kill(&kp_tasklet); + + /* unregister everything */ + input_unregister_device(omap_kp->input); + + kfree(omap_kp); + + return 0; +} + +static struct platform_driver omap_kp_driver = { + .probe = omap_kp_probe, + .remove = omap_kp_remove, + .suspend = omap_kp_suspend, + .resume = omap_kp_resume, + .driver = { + .name = "omap-keypad", + }, +}; + +static int __devinit omap_kp_init(void) +{ + printk(KERN_INFO "OMAP Keypad Driver\n"); + return platform_driver_register(&omap_kp_driver); +} + +static void __exit omap_kp_exit(void) +{ + platform_driver_unregister(&omap_kp_driver); +} + +module_init(omap_kp_init); +module_exit(omap_kp_exit); + +MODULE_AUTHOR("Timo Teräs"); +MODULE_DESCRIPTION("OMAP Keypad Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/input/keyboard/spitzkbd.c b/drivers/input/keyboard/spitzkbd.c index c5d03fb77bcb..e385710233f4 100644 --- a/drivers/input/keyboard/spitzkbd.c +++ b/drivers/input/keyboard/spitzkbd.c @@ -410,7 +410,7 @@ static int __init spitzkbd_probe(struct platform_device *dev) for (i = 0; i < SPITZ_KEY_SENSE_NUM; i++) { pxa_gpio_mode(spitz_senses[i] | GPIO_IN); if (request_irq(IRQ_GPIO(spitz_senses[i]), spitzkbd_interrupt, - SA_INTERRUPT|SA_TRIGGER_RISING, + IRQF_DISABLED|IRQF_TRIGGER_RISING, "Spitzkbd Sense", spitzkbd)) printk(KERN_WARNING "spitzkbd: Can't get Sense IRQ: %d!\n", i); } @@ -425,19 +425,19 @@ static int __init spitzkbd_probe(struct platform_device *dev) pxa_gpio_mode(SPITZ_GPIO_SWB | GPIO_IN); request_irq(SPITZ_IRQ_GPIO_SYNC, spitzkbd_interrupt, - SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING, + IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, "Spitzkbd Sync", spitzkbd); request_irq(SPITZ_IRQ_GPIO_ON_KEY, spitzkbd_interrupt, - SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING, + IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, "Spitzkbd PwrOn", spitzkbd); request_irq(SPITZ_IRQ_GPIO_SWA, spitzkbd_hinge_isr, - SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING, + IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, "Spitzkbd SWA", spitzkbd); request_irq(SPITZ_IRQ_GPIO_SWB, spitzkbd_hinge_isr, - SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING, + IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, "Spitzkbd SWB", spitzkbd); request_irq(SPITZ_IRQ_GPIO_AK_INT, spitzkbd_hinge_isr, - SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING, + IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, "Spitzkbd HP", spitzkbd); printk(KERN_INFO "input: Spitz Keyboard Registered\n"); diff --git a/drivers/input/keyboard/sunkbd.c b/drivers/input/keyboard/sunkbd.c index b15b6d8d4f83..9dbd7b85686d 100644 --- a/drivers/input/keyboard/sunkbd.c +++ b/drivers/input/keyboard/sunkbd.c @@ -263,7 +263,7 @@ static int sunkbd_connect(struct serio *serio, struct serio_driver *drv) goto fail; } - sprintf(sunkbd->name, "Sun Type %d keyboard", sunkbd->type); + snprintf(sunkbd->name, sizeof(sunkbd->name), "Sun Type %d keyboard", sunkbd->type); memcpy(sunkbd->keycode, sunkbd_keycode, sizeof(sunkbd->keycode)); input_dev->name = sunkbd->name; diff --git a/drivers/input/keyboard/xtkbd.c b/drivers/input/keyboard/xtkbd.c index 4135e3e16c51..0821d53cf0c1 100644 --- a/drivers/input/keyboard/xtkbd.c +++ b/drivers/input/keyboard/xtkbd.c @@ -100,7 +100,7 @@ static int xtkbd_connect(struct serio *serio, struct serio_driver *drv) xtkbd->serio = serio; xtkbd->dev = input_dev; - sprintf(xtkbd->phys, "%s/input0", serio->phys); + snprintf(xtkbd->phys, sizeof(xtkbd->phys), "%s/input0", serio->phys); memcpy(xtkbd->keycode, xtkbd_keycode, sizeof(xtkbd->keycode)); input_dev->name = "XT Keyboard"; |