diff options
Diffstat (limited to 'drivers/input/keyboard/atkbd.c')
| -rw-r--r-- | drivers/input/keyboard/atkbd.c | 1453 |
1 files changed, 1062 insertions, 391 deletions
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c index 4d4985b59ab..2dd1d0dd4f7 100644 --- a/drivers/input/keyboard/atkbd.c +++ b/drivers/input/keyboard/atkbd.c @@ -19,7 +19,6 @@ #include <linux/delay.h> #include <linux/module.h> -#include <linux/moduleparam.h> #include <linux/slab.h> #include <linux/interrupt.h> #include <linux/init.h> @@ -27,6 +26,8 @@ #include <linux/serio.h> #include <linux/workqueue.h> #include <linux/libps2.h> +#include <linux/mutex.h> +#include <linux/dmi.h> #define DRIVER_DESC "AT and PS/2 keyboard driver" @@ -39,39 +40,41 @@ module_param_named(set, atkbd_set, int, 0); MODULE_PARM_DESC(set, "Select keyboard code set (2 = default, 3 = PS/2 native)"); #if defined(__i386__) || defined(__x86_64__) || defined(__hppa__) -static int atkbd_reset; +static bool atkbd_reset; #else -static int atkbd_reset = 1; +static bool atkbd_reset = true; #endif module_param_named(reset, atkbd_reset, bool, 0); MODULE_PARM_DESC(reset, "Reset keyboard during initialization"); -static int atkbd_softrepeat; +static bool atkbd_softrepeat; module_param_named(softrepeat, atkbd_softrepeat, bool, 0); MODULE_PARM_DESC(softrepeat, "Use software keyboard repeat"); -static int atkbd_softraw = 1; +static bool atkbd_softraw = true; module_param_named(softraw, atkbd_softraw, bool, 0); MODULE_PARM_DESC(softraw, "Use software generated rawmode"); -static int atkbd_scroll = 0; +static bool atkbd_scroll; module_param_named(scroll, atkbd_scroll, bool, 0); MODULE_PARM_DESC(scroll, "Enable scroll-wheel on MS Office and similar keyboards"); -static int atkbd_extra; +static bool atkbd_extra; module_param_named(extra, atkbd_extra, bool, 0); MODULE_PARM_DESC(extra, "Enable extra LEDs and keys on IBM RapidAcces, EzKey and similar keyboards"); -__obsolete_setup("atkbd_set="); -__obsolete_setup("atkbd_reset"); -__obsolete_setup("atkbd_softrepeat="); +static bool atkbd_terminal; +module_param_named(terminal, atkbd_terminal, bool, 0); +MODULE_PARM_DESC(terminal, "Enable break codes on an IBM Terminal keyboard connected via AT/PS2"); /* * Scancode to keycode tables. These are just the default setting, and - * are loadable via an userland utility. + * are loadable via a userland utility. */ -static unsigned char atkbd_set2_keycode[512] = { +#define ATKBD_KEYMAP_SIZE 512 + +static const unsigned short atkbd_set2_keycode[ATKBD_KEYMAP_SIZE] = { #ifdef CONFIG_KEYBOARD_ATKBD_HP_KEYCODES @@ -92,7 +95,7 @@ static unsigned char atkbd_set2_keycode[512] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 217,100,255, 0, 97,165, 0, 0,156, 0, 0, 0, 0, 0, 0,125, 173,114, 0,113, 0, 0, 0,126,128, 0, 0,140, 0, 0, 0,127, - 159, 0,115, 0,164, 0, 0,116,158, 0,150,166, 0, 0, 0,142, + 159, 0,115, 0,164, 0, 0,116,158, 0,172,166, 0, 0, 0,142, 157, 0, 0, 0, 0, 0, 0, 0,155, 0, 98, 0, 0,163, 0, 0, 226, 0, 0, 0, 0, 0, 0, 0, 0,255, 96, 0, 0, 0,143, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,107, 0,105,102, 0, 0,112, @@ -102,7 +105,7 @@ static unsigned char atkbd_set2_keycode[512] = { #endif }; -static unsigned char atkbd_set3_keycode[512] = { +static const unsigned short atkbd_set3_keycode[ATKBD_KEYMAP_SIZE] = { 0, 0, 0, 0, 0, 0, 0, 59, 1,138,128,129,130, 15, 41, 60, 131, 29, 42, 86, 58, 16, 2, 61,133, 56, 44, 31, 30, 17, 3, 62, @@ -114,11 +117,11 @@ static unsigned char atkbd_set3_keycode[512] = { 82, 83, 80, 76, 77, 72, 69, 98, 0, 96, 81, 0, 78, 73, 55,183, 184,185,186,187, 74, 94, 92, 93, 0, 0, 0,125,126,127,112, 0, - 0,139,150,163,165,115,152,150,166,140,160,154,113,114,167,168, + 0,139,172,163,165,115,152,172,166,140,160,154,113,114,167,168, 148,149,147,140 }; -static unsigned char atkbd_unxlate_table[128] = { +static const unsigned short atkbd_unxlate_table[128] = { 0,118, 22, 30, 38, 37, 46, 54, 61, 62, 70, 69, 78, 85,102, 13, 21, 29, 36, 45, 44, 53, 60, 67, 68, 77, 84, 91, 90, 20, 28, 27, 35, 43, 52, 51, 59, 66, 75, 76, 82, 14, 18, 93, 26, 34, 33, 42, @@ -135,8 +138,10 @@ static unsigned char atkbd_unxlate_table[128] = { #define ATKBD_CMD_GETID 0x02f2 #define ATKBD_CMD_SETREP 0x10f3 #define ATKBD_CMD_ENABLE 0x00f4 -#define ATKBD_CMD_RESET_DIS 0x00f5 -#define ATKBD_CMD_SETALL_MBR 0x00fa +#define ATKBD_CMD_RESET_DIS 0x00f5 /* Reset to defaults and disable */ +#define ATKBD_CMD_RESET_DEF 0x00f6 /* Reset to defaults */ +#define ATKBD_CMD_SETALL_MB 0x00f8 /* Set all keys to give break codes */ +#define ATKBD_CMD_SETALL_MBR 0x00fa /* ... and repeat */ #define ATKBD_CMD_RESET_BAT 0x02ff #define ATKBD_CMD_RESEND 0x00fe #define ATKBD_CMD_EX_ENABLE 0x10ea @@ -149,25 +154,35 @@ 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 +#define ATKBD_KEY_UNKNOWN 0 #define ATKBD_KEY_NULL 255 -#define ATKBD_SCR_1 254 -#define ATKBD_SCR_2 253 -#define ATKBD_SCR_4 252 -#define ATKBD_SCR_8 251 -#define ATKBD_SCR_CLICK 250 -#define ATKBD_SCR_LEFT 249 -#define ATKBD_SCR_RIGHT 248 +#define ATKBD_SCR_1 0xfffe +#define ATKBD_SCR_2 0xfffd +#define ATKBD_SCR_4 0xfffc +#define ATKBD_SCR_8 0xfffb +#define ATKBD_SCR_CLICK 0xfffa +#define ATKBD_SCR_LEFT 0xfff9 +#define ATKBD_SCR_RIGHT 0xfff8 + +#define ATKBD_SPECIAL ATKBD_SCR_RIGHT -#define ATKBD_SPECIAL 248 +#define ATKBD_LED_EVENT_BIT 0 +#define ATKBD_REP_EVENT_BIT 1 -static struct { - unsigned char keycode; +#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 const struct { + unsigned short keycode; unsigned char set2; } atkbd_scroll_keys[] = { { ATKBD_SCR_1, 0xc5 }, @@ -185,33 +200,55 @@ static struct { struct atkbd { - struct ps2dev ps2dev; + struct ps2dev ps2dev; + struct input_dev *dev; /* Written only during init */ char name[64]; char phys[32]; - struct input_dev dev; unsigned short id; - unsigned char keycode[512]; + unsigned short keycode[ATKBD_KEYMAP_SIZE]; + DECLARE_BITMAP(force_release_mask, ATKBD_KEYMAP_SIZE); unsigned char set; - unsigned char translated; - unsigned char extra; - unsigned char write; - unsigned char softrepeat; - unsigned char softraw; - unsigned char scroll; - unsigned char enabled; + bool translated; + bool extra; + bool write; + bool softrepeat; + bool softraw; + bool scroll; + bool enabled; /* Accessed only from interrupt */ unsigned char emul; - unsigned char resend; - unsigned char release; - unsigned char bat_xl; + bool resend; + bool release; + unsigned long xl_bit; unsigned int last; unsigned long time; + unsigned long err_count; + + struct delayed_work event_work; + unsigned long event_jiffies; + unsigned long event_mask; + + /* Serializes reconnect(), attr->set() and event work */ + struct mutex mutex; }; +/* + * System-specific keymap fixup routine + */ +static void (*atkbd_platform_fixup)(struct atkbd *, const void *data); +static void *atkbd_platform_fixup_data; +static unsigned int (*atkbd_platform_scancode_fixup)(struct atkbd *, unsigned int); + +/* + * Certain keyboards to not like ATKBD_CMD_RESET_DIS and stop responding + * to many commands until full reset (ATKBD_CMD_RESET_BAT) is performed. + */ +static bool atkbd_skip_deactivate; + static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf, ssize_t (*handler)(struct atkbd *, char *)); static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count, @@ -219,11 +256,13 @@ static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t #define ATKBD_DEFINE_ATTR(_name) \ static ssize_t atkbd_show_##_name(struct atkbd *, char *); \ static ssize_t atkbd_set_##_name(struct atkbd *, const char *, size_t); \ -static ssize_t atkbd_do_show_##_name(struct device *d, struct device_attribute *attr, char *b) \ +static ssize_t atkbd_do_show_##_name(struct device *d, \ + struct device_attribute *attr, char *b) \ { \ return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \ } \ -static ssize_t atkbd_do_set_##_name(struct device *d, struct device_attribute *attr, const char *b, size_t s) \ +static ssize_t atkbd_do_set_##_name(struct device *d, \ + struct device_attribute *attr, const char *b, size_t s) \ { \ return atkbd_attr_set_helper(d, b, s, atkbd_set_##_name); \ } \ @@ -231,22 +270,98 @@ static struct device_attribute atkbd_attr_##_name = \ __ATTR(_name, S_IWUSR | S_IRUGO, atkbd_do_show_##_name, atkbd_do_set_##_name); ATKBD_DEFINE_ATTR(extra); +ATKBD_DEFINE_ATTR(force_release); ATKBD_DEFINE_ATTR(scroll); ATKBD_DEFINE_ATTR(set); ATKBD_DEFINE_ATTR(softrepeat); ATKBD_DEFINE_ATTR(softraw); +#define ATKBD_DEFINE_RO_ATTR(_name) \ +static ssize_t atkbd_show_##_name(struct atkbd *, char *); \ +static ssize_t atkbd_do_show_##_name(struct device *d, \ + struct device_attribute *attr, char *b) \ +{ \ + return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \ +} \ +static struct device_attribute atkbd_attr_##_name = \ + __ATTR(_name, S_IRUGO, atkbd_do_show_##_name, NULL); + +ATKBD_DEFINE_RO_ATTR(err_count); + +static struct attribute *atkbd_attributes[] = { + &atkbd_attr_extra.attr, + &atkbd_attr_force_release.attr, + &atkbd_attr_scroll.attr, + &atkbd_attr_set.attr, + &atkbd_attr_softrepeat.attr, + &atkbd_attr_softraw.attr, + &atkbd_attr_err_count.attr, + NULL +}; + +static struct attribute_group atkbd_attribute_group = { + .attrs = atkbd_attributes, +}; -static void atkbd_report_key(struct input_dev *dev, struct pt_regs *regs, int code, int value) +static const unsigned int xl_table[] = { + ATKBD_RET_BAT, ATKBD_RET_ERR, ATKBD_RET_ACK, + ATKBD_RET_NAK, ATKBD_RET_HANJA, ATKBD_RET_HANGEUL, +}; + +/* + * Checks if we should mangle the scancode to extract 'release' bit + * in translated mode. + */ +static bool 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 false; + + for (i = 0; i < ARRAY_SIZE(xl_table); i++) + if (code == xl_table[i]) + return test_bit(i, &xl_bit); + + return true; +} + +/* + * 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; } /* @@ -255,27 +370,27 @@ static void atkbd_report_key(struct input_dev *dev, struct pt_regs *regs, int co */ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data, - unsigned int flags, struct pt_regs *regs) + unsigned int flags) { 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 value; + unsigned short keycode; -#ifdef ATKBD_DEBUG - printk(KERN_DEBUG "atkbd.c: Received %02x flags %02x\n", data, flags); -#endif + dev_dbg(&serio->dev, "Received %02x flags %02x\n", data, flags); #if !defined(__i386__) && !defined (__x86_64__) if ((flags & (SERIO_FRAME | SERIO_PARITY)) && (~flags & SERIO_TIMEOUT) && !atkbd->resend && atkbd->write) { - printk(KERN_WARNING "atkbd.c: frame/parity error: %02x\n", flags); + dev_warn(&serio->dev, "Frame/parity error: %02x\n", flags); serio_write(serio, ATKBD_CMD_RESEND); - atkbd->resend = 1; + atkbd->resend = true; goto out; } if (!flags && data == ATKBD_RET_ACK) - atkbd->resend = 0; + atkbd->resend = false; #endif if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_ACK)) @@ -289,195 +404,258 @@ 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_platform_scancode_fixup) + code = atkbd_platform_scancode_fixup(atkbd, 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 || - (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 && - (code & 0x7f) == (ATKBD_RET_BAT & 0x7f)) - atkbd->bat_xl = !atkbd->release; + if (!atkbd->emul) + atkbd_calculate_xl_bit(atkbd, data); } switch (code) { - case ATKBD_RET_BAT: - atkbd->enabled = 0; - serio_rescan(atkbd->ps2dev.serio); - goto out; - case ATKBD_RET_EMUL0: - atkbd->emul = 1; - goto out; - case ATKBD_RET_EMUL1: - atkbd->emul = 2; - goto out; - case ATKBD_RET_RELEASE: - atkbd->release = 1; - goto out; - case ATKBD_RET_HANGUEL: - atkbd_report_key(&atkbd->dev, regs, KEY_HANGUEL, 3); - goto out; - case ATKBD_RET_HANJA: - atkbd_report_key(&atkbd->dev, regs, KEY_HANJA, 3); - goto out; - case ATKBD_RET_ERR: - printk(KERN_DEBUG "atkbd.c: Keyboard on %s reports too many keys pressed.\n", serio->phys); - goto out; + case ATKBD_RET_BAT: + atkbd->enabled = false; + serio_reconnect(atkbd->ps2dev.serio); + goto out; + case ATKBD_RET_EMUL0: + atkbd->emul = 1; + goto out; + case ATKBD_RET_EMUL1: + atkbd->emul = 2; + goto out; + case ATKBD_RET_RELEASE: + atkbd->release = true; + goto out; + case ATKBD_RET_ACK: + case ATKBD_RET_NAK: + if (printk_ratelimit()) + dev_warn(&serio->dev, + "Spurious %s on %s. " + "Some program might be trying to access hardware directly.\n", + data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys); + goto out; + case ATKBD_RET_ERR: + atkbd->err_count++; + dev_dbg(&serio->dev, "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->keycode[code] != ATKBD_KEY_NULL) - input_event(&atkbd->dev, EV_MSC, MSC_SCAN, code); + if (atkbd->emul && --atkbd->emul) + goto out; - switch (atkbd->keycode[code]) { - 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); - break; - case ATKBD_SCR_1: - scroll = 1 - atkbd->release * 2; - break; - case ATKBD_SCR_2: - scroll = 2 - atkbd->release * 4; - break; - case ATKBD_SCR_4: - scroll = 4 - atkbd->release * 8; - break; - case ATKBD_SCR_8: - scroll = 8 - atkbd->release * 16; - break; - case ATKBD_SCR_CLICK: - click = !atkbd->release; - break; - case ATKBD_SCR_LEFT: - hscroll = -1; - break; - case ATKBD_SCR_RIGHT: - 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; - } - - atkbd_report_key(&atkbd->dev, regs, atkbd->keycode[code], value); + keycode = atkbd->keycode[code]; + + if (keycode != ATKBD_KEY_NULL) + input_event(dev, EV_MSC, MSC_SCAN, code); + + switch (keycode) { + case ATKBD_KEY_NULL: + break; + case ATKBD_KEY_UNKNOWN: + dev_warn(&serio->dev, + "Unknown key %s (%s set %d, code %#x on %s).\n", + atkbd->release ? "released" : "pressed", + atkbd->translated ? "translated" : "raw", + atkbd->set, code, serio->phys); + dev_warn(&serio->dev, + "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; + break; + case ATKBD_SCR_2: + scroll = 2; + break; + case ATKBD_SCR_4: + scroll = 4; + break; + case ATKBD_SCR_8: + scroll = 8; + break; + case ATKBD_SCR_CLICK: + click = !atkbd->release; + break; + case ATKBD_SCR_LEFT: + hscroll = -1; + break; + case ATKBD_SCR_RIGHT: + hscroll = 1; + break; + default: + 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; + } + + input_event(dev, EV_KEY, keycode, value); + input_sync(dev); + + if (value && test_bit(code, atkbd->force_release_mask)) { + input_report_key(dev, keycode, 0); + input_sync(dev); + } } if (atkbd->scroll) { - input_regs(&atkbd->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, + atkbd->release ? -scroll : scroll); + input_report_rel(dev, REL_HWHEEL, hscroll); + input_sync(dev); } - atkbd->release = 0; + atkbd->release = false; out: return IRQ_HANDLED; } -/* - * Event callback from the input module. Events that change the state of - * the hardware are processed here. - */ - -static int atkbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) +static int atkbd_set_repeat_rate(struct atkbd *atkbd) { - struct atkbd *atkbd = dev->private; const short period[32] = { 33, 37, 42, 46, 50, 54, 58, 63, 67, 75, 83, 92, 100, 109, 116, 125, 133, 149, 167, 182, 200, 217, 232, 250, 270, 303, 333, 370, 400, 435, 470, 500 }; const short delay[4] = { 250, 500, 750, 1000 }; + + 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; - if (!atkbd->write) + 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; - switch (type) { + 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; + } - case EV_LED: + return 0; +} - 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_schedule_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS); +/* + * 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. + */ - 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_schedule_command(&atkbd->ps2dev, param, ATKBD_CMD_EX_SETLEDS); - } +static void atkbd_event_work(struct work_struct *work) +{ + struct atkbd *atkbd = container_of(work, struct atkbd, event_work.work); + + mutex_lock(&atkbd->mutex); + + if (!atkbd->enabled) { + /* + * Serio ports are resumed asynchronously so while driver core + * thinks that device is already fully operational in reality + * it may not be ready yet. In this case we need to keep + * rescheduling till reconnect completes. + */ + schedule_delayed_work(&atkbd->event_work, + msecs_to_jiffies(100)); + } else { + if (test_and_clear_bit(ATKBD_LED_EVENT_BIT, &atkbd->event_mask)) + atkbd_set_leds(atkbd); - return 0; + if (test_and_clear_bit(ATKBD_REP_EVENT_BIT, &atkbd->event_mask)) + atkbd_set_repeat_rate(atkbd); + } + mutex_unlock(&atkbd->mutex); +} - case EV_REP: +/* + * Schedule switch for execution. We need to throttle requests, + * otherwise keyboard may become unresponsive. + */ +static void atkbd_schedule_event_work(struct atkbd *atkbd, int event_bit) +{ + unsigned long delay = msecs_to_jiffies(50); - if (atkbd->softrepeat) return 0; + if (time_after(jiffies, atkbd->event_jiffies + delay)) + delay = 0; - 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_schedule_command(&atkbd->ps2dev, param, ATKBD_CMD_SETREP); + atkbd->event_jiffies = jiffies; + set_bit(event_bit, &atkbd->event_mask); + mb(); + schedule_delayed_work(&atkbd->event_work, delay); +} - return 0; - } +/* + * Event callback from the input module. Events that change the state of + * the hardware are processed here. If action can not be performed in + * interrupt context it is offloaded to atkbd_event_work. + */ + +static int atkbd_event(struct input_dev *dev, + unsigned int type, unsigned int code, int value) +{ + struct atkbd *atkbd = input_get_drvdata(dev); - return -1; + if (!atkbd->write) + return -1; + + switch (type) { + + case EV_LED: + atkbd_schedule_event_work(atkbd, ATKBD_LED_EVENT_BIT); + return 0; + + case EV_REP: + if (!atkbd->softrepeat) + atkbd_schedule_event_work(atkbd, ATKBD_REP_EVENT_BIT); + return 0; + + default: + return -1; + } } /* @@ -488,7 +666,7 @@ static int atkbd_event(struct input_dev *dev, unsigned int type, unsigned int co static inline void atkbd_enable(struct atkbd *atkbd) { serio_pause_rx(atkbd->ps2dev.serio); - atkbd->enabled = 1; + atkbd->enabled = true; serio_continue_rx(atkbd->ps2dev.serio); } @@ -500,10 +678,43 @@ static inline void atkbd_enable(struct atkbd *atkbd) static inline void atkbd_disable(struct atkbd *atkbd) { serio_pause_rx(atkbd->ps2dev.serio); - atkbd->enabled = 0; + atkbd->enabled = false; serio_continue_rx(atkbd->ps2dev.serio); } +static int atkbd_activate(struct atkbd *atkbd) +{ + struct ps2dev *ps2dev = &atkbd->ps2dev; + +/* + * Enable the keyboard to receive keystrokes. + */ + + if (ps2_command(ps2dev, NULL, ATKBD_CMD_ENABLE)) { + dev_err(&ps2dev->serio->dev, + "Failed to enable keyboard on %s\n", + ps2dev->serio->phys); + return -1; + } + + return 0; +} + +/* + * atkbd_deactivate() resets and disables the keyboard from sending + * keystrokes. + */ + +static void atkbd_deactivate(struct atkbd *atkbd) +{ + struct ps2dev *ps2dev = &atkbd->ps2dev; + + if (ps2_command(ps2dev, NULL, ATKBD_CMD_RESET_DIS)) + dev_err(&ps2dev->serio->dev, + "Failed to deactivate keyboard on %s\n", + ps2dev->serio->phys); +} + /* * atkbd_probe() probes for an AT keyboard on a serio port. */ @@ -521,7 +732,9 @@ static int atkbd_probe(struct atkbd *atkbd) if (atkbd_reset) if (ps2_command(ps2dev, NULL, ATKBD_CMD_RESET_BAT)) - printk(KERN_WARNING "atkbd.c: keyboard reset failed on %s\n", ps2dev->serio->phys); + dev_warn(&ps2dev->serio->dev, + "keyboard reset failed on %s\n", + ps2dev->serio->phys); /* * Then we check the keyboard ID. We should get 0xab83 under normal conditions. @@ -545,19 +758,25 @@ static int atkbd_probe(struct atkbd *atkbd) return 0; } - if (param[0] != 0xab && param[0] != 0xac && /* Regular and NCD Sun keyboards */ - param[0] != 0x2b && param[0] != 0x5d && /* Trust keyboard, raw and translated */ - param[0] != 0x60 && param[0] != 0x47) /* NMB SGI keyboard, raw and translated */ + if (!ps2_is_keyboard_id(param[0])) return -1; atkbd->id = (param[0] << 8) | param[1]; if (atkbd->id == 0xaca1 && atkbd->translated) { - printk(KERN_ERR "atkbd.c: NCD terminal keyboards are only supported on non-translating\n"); - printk(KERN_ERR "atkbd.c: controllers. Use i8042.direct=1 to disable translation.\n"); + dev_err(&ps2dev->serio->dev, + "NCD terminal keyboards are only supported on non-translating controllers. " + "Use i8042.direct=1 to disable translation.\n"); return -1; } +/* + * Make sure nothing is coming from the keyboard and disturbs our + * internal state. + */ + if (!atkbd_skip_deactivate) + atkbd_deactivate(atkbd); + return 0; } @@ -572,7 +791,7 @@ static int atkbd_select_set(struct atkbd *atkbd, int target_set, int allow_extra struct ps2dev *ps2dev = &atkbd->ps2dev; unsigned char param[2]; - atkbd->extra = 0; + atkbd->extra = false; /* * For known special keyboards we can go ahead and set the correct set. * We check for NCD PS/2 Sun, NorthGate OmniKey 101 and @@ -591,11 +810,16 @@ static int atkbd_select_set(struct atkbd *atkbd, int target_set, int allow_extra if (allow_extra) { param[0] = 0x71; if (!ps2_command(ps2dev, param, ATKBD_CMD_EX_ENABLE)) { - atkbd->extra = 1; + atkbd->extra = true; return 2; } } + if (atkbd_terminal) { + ps2_command(ps2dev, param, ATKBD_CMD_SETALL_MB); + return 3; + } + if (target_set != 3) return 2; @@ -623,13 +847,13 @@ static int atkbd_select_set(struct atkbd *atkbd, int target_set, int allow_extra return 3; } -static int atkbd_activate(struct atkbd *atkbd) +static int atkbd_reset_state(struct atkbd *atkbd) { - struct ps2dev *ps2dev = &atkbd->ps2dev; + struct ps2dev *ps2dev = &atkbd->ps2dev; unsigned char param[1]; /* - * Set the LEDs to a defined state. + * Set the LEDs to a predefined state (all off). */ param[0] = 0; @@ -644,16 +868,6 @@ static int atkbd_activate(struct atkbd *atkbd) if (ps2_command(ps2dev, param, ATKBD_CMD_SETREP)) return -1; -/* - * Enable the keyboard to receive keystrokes. - */ - - if (ps2_command(ps2dev, NULL, ATKBD_CMD_ENABLE)) { - printk(KERN_ERR "atkbd.c: Failed to enable keyboard on %s\n", - ps2dev->serio->phys); - return -1; - } - return 0; } @@ -665,7 +879,9 @@ static int atkbd_activate(struct atkbd *atkbd) static void atkbd_cleanup(struct serio *serio) { struct atkbd *atkbd = serio_get_drvdata(serio); - ps2_command(&atkbd->ps2dev, NULL, ATKBD_CMD_RESET_BAT); + + atkbd_disable(atkbd); + ps2_command(&atkbd->ps2dev, NULL, ATKBD_CMD_RESET_DEF); } @@ -677,43 +893,128 @@ static void atkbd_disconnect(struct serio *serio) { struct atkbd *atkbd = serio_get_drvdata(serio); + sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group); + atkbd_disable(atkbd); - /* make sure we don't have a command in flight */ - synchronize_sched(); /* Allow atkbd_interrupt()s to complete. */ - flush_scheduled_work(); + input_unregister_device(atkbd->dev); - device_remove_file(&serio->dev, &atkbd_attr_extra); - device_remove_file(&serio->dev, &atkbd_attr_scroll); - device_remove_file(&serio->dev, &atkbd_attr_set); - device_remove_file(&serio->dev, &atkbd_attr_softrepeat); - device_remove_file(&serio->dev, &atkbd_attr_softraw); + /* + * Make sure we don't have a command in flight. + * Note that since atkbd->enabled is false event work will keep + * rescheduling itself until it gets canceled and will not try + * accessing freed input device or serio port. + */ + cancel_delayed_work_sync(&atkbd->event_work); - input_unregister_device(&atkbd->dev); serio_close(serio); serio_set_drvdata(serio, NULL); kfree(atkbd); } +/* + * generate release events for the keycodes given in data + */ +static void atkbd_apply_forced_release_keylist(struct atkbd* atkbd, + const void *data) +{ + const unsigned int *keys = data; + unsigned int i; + + if (atkbd->set == 2) + for (i = 0; keys[i] != -1U; i++) + __set_bit(keys[i], atkbd->force_release_mask); +} + +/* + * Most special keys (Fn+F?) on Dell laptops do not generate release + * events so we have to do it ourselves. + */ +static unsigned int atkbd_dell_laptop_forced_release_keys[] = { + 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8f, 0x93, -1U +}; + +/* + * Perform fixup for HP system that doesn't generate release + * for its video switch + */ +static unsigned int atkbd_hp_forced_release_keys[] = { + 0x94, -1U +}; + +/* + * Samsung NC10,NC20 with Fn+F? key release not working + */ +static unsigned int atkbd_samsung_forced_release_keys[] = { + 0x82, 0x83, 0x84, 0x86, 0x88, 0x89, 0xb3, 0xf7, 0xf9, -1U +}; + +/* + * Amilo Pi 3525 key release for Fn+Volume keys not working + */ +static unsigned int atkbd_amilo_pi3525_forced_release_keys[] = { + 0x20, 0xa0, 0x2e, 0xae, 0x30, 0xb0, -1U +}; + +/* + * Amilo Xi 3650 key release for light touch bar not working + */ +static unsigned int atkbd_amilo_xi3650_forced_release_keys[] = { + 0x67, 0xed, 0x90, 0xa2, 0x99, 0xa4, 0xae, 0xb0, -1U +}; + +/* + * Soltech TA12 system with broken key release on volume keys and mute key + */ +static unsigned int atkdb_soltech_ta12_forced_release_keys[] = { + 0xa0, 0xae, 0xb0, -1U +}; /* - * atkbd_set_device_attrs() initializes keyboard's keycode table + * Many notebooks don't send key release event for volume up/down + * keys, with key list below common among them + */ +static unsigned int atkbd_volume_forced_release_keys[] = { + 0xae, 0xb0, -1U +}; + +/* + * OQO 01+ multimedia keys (64--66) generate e0 6x upon release whereas + * they should be generating e4-e6 (0x80 | code). + */ +static unsigned int atkbd_oqo_01plus_scancode_fixup(struct atkbd *atkbd, + unsigned int code) +{ + if (atkbd->translated && atkbd->emul == 1 && + (code == 0x64 || code == 0x65 || code == 0x66)) { + atkbd->emul = 0; + code |= 0x80; + } + + return code; +} + +/* + * atkbd_set_keycode_table() initializes keyboard's keycode table * according to the selected scancode set */ static void atkbd_set_keycode_table(struct atkbd *atkbd) { + unsigned int scancode; int i, j; memset(atkbd->keycode, 0, sizeof(atkbd->keycode)); + bitmap_zero(atkbd->force_release_mask, ATKBD_KEYMAP_SIZE); if (atkbd->translated) { for (i = 0; i < 128; i++) { - atkbd->keycode[i] = atkbd_set2_keycode[atkbd_unxlate_table[i]]; - atkbd->keycode[i | 0x80] = atkbd_set2_keycode[atkbd_unxlate_table[i] | 0x80]; + scancode = atkbd_unxlate_table[i]; + atkbd->keycode[i] = atkbd_set2_keycode[scancode]; + atkbd->keycode[i | 0x80] = atkbd_set2_keycode[scancode | 0x80]; if (atkbd->scroll) for (j = 0; j < ARRAY_SIZE(atkbd_scroll_keys); j++) - if ((atkbd_unxlate_table[i] | 0x80) == atkbd_scroll_keys[j].set2) + if ((scancode | 0x80) == atkbd_scroll_keys[j].set2) atkbd->keycode[i | 0x80] = atkbd_scroll_keys[j].keycode; } } else if (atkbd->set == 3) { @@ -722,9 +1023,29 @@ static void atkbd_set_keycode_table(struct atkbd *atkbd) memcpy(atkbd->keycode, atkbd_set2_keycode, sizeof(atkbd->keycode)); if (atkbd->scroll) - for (i = 0; i < ARRAY_SIZE(atkbd_scroll_keys); i++) - atkbd->keycode[atkbd_scroll_keys[i].set2] = atkbd_scroll_keys[i].keycode; + for (i = 0; i < ARRAY_SIZE(atkbd_scroll_keys); i++) { + scancode = atkbd_scroll_keys[i].set2; + atkbd->keycode[scancode] = atkbd_scroll_keys[i].keycode; + } } + +/* + * HANGEUL and HANJA keys do not send release events so we need to + * generate such events ourselves + */ + scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANGEUL); + atkbd->keycode[scancode] = KEY_HANGEUL; + __set_bit(scancode, atkbd->force_release_mask); + + scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANJA); + atkbd->keycode[scancode] = KEY_HANJA; + __set_bit(scancode, atkbd->force_release_mask); + +/* + * Perform additional fixups + */ + if (atkbd_platform_fixup) + atkbd_platform_fixup(atkbd, atkbd_platform_fixup_data); } /* @@ -733,53 +1054,71 @@ static void atkbd_set_keycode_table(struct atkbd *atkbd) static void atkbd_set_device_attrs(struct atkbd *atkbd) { + struct input_dev *input_dev = atkbd->dev; int i; - memset(&atkbd->dev, 0, sizeof(struct input_dev)); + if (atkbd->extra) + snprintf(atkbd->name, sizeof(atkbd->name), + "AT Set 2 Extra keyboard"); + else + snprintf(atkbd->name, sizeof(atkbd->name), + "AT %s Set %d keyboard", + atkbd->translated ? "Translated" : "Raw", atkbd->set); + + snprintf(atkbd->phys, sizeof(atkbd->phys), + "%s/input0", atkbd->ps2dev.serio->phys); - init_input_dev(&atkbd->dev); + input_dev->name = atkbd->name; + input_dev->phys = atkbd->phys; + input_dev->id.bustype = BUS_I8042; + input_dev->id.vendor = 0x0001; + input_dev->id.product = atkbd->translated ? 1 : atkbd->set; + input_dev->id.version = atkbd->id; + input_dev->event = atkbd_event; + input_dev->dev.parent = &atkbd->ps2dev.serio->dev; - atkbd->dev.name = atkbd->name; - atkbd->dev.phys = atkbd->phys; - atkbd->dev.id.bustype = BUS_I8042; - atkbd->dev.id.vendor = 0x0001; - atkbd->dev.id.product = atkbd->translated ? 1 : atkbd->set; - atkbd->dev.id.version = atkbd->id; - atkbd->dev.event = atkbd_event; - atkbd->dev.private = atkbd; - atkbd->dev.dev = &atkbd->ps2dev.serio->dev; + input_set_drvdata(input_dev, atkbd); - atkbd->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REP) | BIT(EV_MSC); + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) | + BIT_MASK(EV_MSC); if (atkbd->write) { - atkbd->dev.evbit[0] |= BIT(EV_LED); - atkbd->dev.ledbit[0] = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL); + input_dev->evbit[0] |= BIT_MASK(EV_LED); + input_dev->ledbit[0] = BIT_MASK(LED_NUML) | + BIT_MASK(LED_CAPSL) | BIT_MASK(LED_SCROLLL); } if (atkbd->extra) - atkbd->dev.ledbit[0] |= BIT(LED_COMPOSE) | BIT(LED_SUSPEND) | - BIT(LED_SLEEP) | BIT(LED_MUTE) | BIT(LED_MISC); + input_dev->ledbit[0] |= BIT_MASK(LED_COMPOSE) | + BIT_MASK(LED_SUSPEND) | BIT_MASK(LED_SLEEP) | + BIT_MASK(LED_MUTE) | BIT_MASK(LED_MISC); if (!atkbd->softrepeat) { - atkbd->dev.rep[REP_DELAY] = 250; - atkbd->dev.rep[REP_PERIOD] = 33; + input_dev->rep[REP_DELAY] = 250; + input_dev->rep[REP_PERIOD] = 33; } - atkbd->dev.mscbit[0] = atkbd->softraw ? BIT(MSC_SCAN) : BIT(MSC_RAW) | BIT(MSC_SCAN); + input_dev->mscbit[0] = atkbd->softraw ? BIT_MASK(MSC_SCAN) : + BIT_MASK(MSC_RAW) | BIT_MASK(MSC_SCAN); if (atkbd->scroll) { - atkbd->dev.evbit[0] |= BIT(EV_REL); - atkbd->dev.relbit[0] = BIT(REL_WHEEL) | BIT(REL_HWHEEL); - set_bit(BTN_MIDDLE, atkbd->dev.keybit); + input_dev->evbit[0] |= BIT_MASK(EV_REL); + input_dev->relbit[0] = BIT_MASK(REL_WHEEL) | + BIT_MASK(REL_HWHEEL); + __set_bit(BTN_MIDDLE, input_dev->keybit); } - atkbd->dev.keycode = atkbd->keycode; - atkbd->dev.keycodesize = sizeof(unsigned char); - atkbd->dev.keycodemax = ARRAY_SIZE(atkbd_set2_keycode); + input_dev->keycode = atkbd->keycode; + input_dev->keycodesize = sizeof(unsigned short); + input_dev->keycodemax = ARRAY_SIZE(atkbd_set2_keycode); - for (i = 0; i < 512; i++) - if (atkbd->keycode[i] && atkbd->keycode[i] < ATKBD_SPECIAL) - set_bit(atkbd->keycode[i], atkbd->dev.keybit); + for (i = 0; i < ATKBD_KEYMAP_SIZE; i++) { + if (atkbd->keycode[i] != KEY_RESERVED && + atkbd->keycode[i] != ATKBD_KEY_NULL && + atkbd->keycode[i] < ATKBD_SPECIAL) { + __set_bit(atkbd->keycode[i], input_dev->keybit); + } + } } /* @@ -792,85 +1131,82 @@ static void atkbd_set_device_attrs(struct atkbd *atkbd) static int atkbd_connect(struct serio *serio, struct serio_driver *drv) { struct atkbd *atkbd; - int err; - - if (!(atkbd = kmalloc(sizeof(struct atkbd), GFP_KERNEL))) - return - ENOMEM; + struct input_dev *dev; + int err = -ENOMEM; - memset(atkbd, 0, sizeof(struct atkbd)); + atkbd = kzalloc(sizeof(struct atkbd), GFP_KERNEL); + dev = input_allocate_device(); + if (!atkbd || !dev) + goto fail1; + atkbd->dev = dev; ps2_init(&atkbd->ps2dev, serio); + INIT_DELAYED_WORK(&atkbd->event_work, atkbd_event_work); + mutex_init(&atkbd->mutex); switch (serio->id.type) { - case SERIO_8042_XL: - atkbd->translated = 1; - case SERIO_8042: - if (serio->write) - atkbd->write = 1; - break; + case SERIO_8042_XL: + atkbd->translated = true; + /* Fall through */ + + case SERIO_8042: + if (serio->write) + atkbd->write = true; + break; } atkbd->softraw = atkbd_softraw; atkbd->softrepeat = atkbd_softrepeat; atkbd->scroll = atkbd_scroll; - if (!atkbd->write) - atkbd->softrepeat = 1; - if (atkbd->softrepeat) - atkbd->softraw = 1; + atkbd->softraw = true; serio_set_drvdata(serio, atkbd); err = serio_open(serio, drv); - if (err) { - serio_set_drvdata(serio, NULL); - kfree(atkbd); - return err; - } + if (err) + goto fail2; if (atkbd->write) { if (atkbd_probe(atkbd)) { - serio_close(serio); - serio_set_drvdata(serio, NULL); - kfree(atkbd); - return -ENODEV; + err = -ENODEV; + goto fail3; } atkbd->set = atkbd_select_set(atkbd, atkbd_set, atkbd_extra); - atkbd_activate(atkbd); + atkbd_reset_state(atkbd); } else { atkbd->set = 2; atkbd->id = 0xab00; } - if (atkbd->extra) - sprintf(atkbd->name, "AT Set 2 Extra keyboard"); - else - sprintf(atkbd->name, "AT %s Set %d keyboard", - atkbd->translated ? "Translated" : "Raw", atkbd->set); - - sprintf(atkbd->phys, "%s/input0", serio->phys); - atkbd_set_keycode_table(atkbd); atkbd_set_device_attrs(atkbd); - input_register_device(&atkbd->dev); - - device_create_file(&serio->dev, &atkbd_attr_extra); - device_create_file(&serio->dev, &atkbd_attr_scroll); - device_create_file(&serio->dev, &atkbd_attr_set); - device_create_file(&serio->dev, &atkbd_attr_softrepeat); - device_create_file(&serio->dev, &atkbd_attr_softraw); + err = sysfs_create_group(&serio->dev.kobj, &atkbd_attribute_group); + if (err) + goto fail3; atkbd_enable(atkbd); + if (serio->write) + atkbd_activate(atkbd); - printk(KERN_INFO "input: %s on %s\n", atkbd->name, serio->phys); + err = input_register_device(atkbd->dev); + if (err) + goto fail4; return 0; + + fail4: sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group); + fail3: serio_close(serio); + fail2: serio_set_drvdata(serio, NULL); + fail1: input_free_device(dev); + kfree(atkbd); + return err; } /* @@ -882,34 +1218,54 @@ static int atkbd_reconnect(struct serio *serio) { struct atkbd *atkbd = serio_get_drvdata(serio); struct serio_driver *drv = serio->drv; - unsigned char param[1]; + int retval = -1; if (!atkbd || !drv) { - printk(KERN_DEBUG "atkbd: reconnect request, but serio is disconnected, ignoring...\n"); + dev_dbg(&serio->dev, + "reconnect request, but serio is disconnected, ignoring...\n"); return -1; } + mutex_lock(&atkbd->mutex); + 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; + goto out; + if (atkbd->set != atkbd_select_set(atkbd, atkbd->set, atkbd->extra)) - return -1; + goto out; - atkbd_activate(atkbd); + /* + * Restore LED state and repeat rate. While input core + * will do this for us at resume time reconnect may happen + * because user requested it via sysfs or simply because + * keyboard was unplugged and plugged in again so we need + * to do it ourselves here. + */ + atkbd_set_leds(atkbd); + if (!atkbd->softrepeat) + atkbd_set_repeat_rate(atkbd); - if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS)) - return -1; } + /* + * Reset our state machine in case reconnect happened in the middle + * of multi-byte scancode. + */ + atkbd->xl_bit = 0; + atkbd->emul = 0; + atkbd_enable(atkbd); + if (atkbd->write) + atkbd_activate(atkbd); - return 0; + retval = 0; + + out: + mutex_unlock(&atkbd->mutex); + return retval; } static struct serio_device_id atkbd_serio_ids[] = { @@ -953,47 +1309,28 @@ static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf, ssize_t (*handler)(struct atkbd *, char *)) { struct serio *serio = to_serio_port(dev); - int retval; - - retval = serio_pin_driver(serio); - if (retval) - return retval; - - if (serio->drv != &atkbd_drv) { - retval = -ENODEV; - goto out; - } - - retval = handler((struct atkbd *)serio_get_drvdata(serio), buf); + struct atkbd *atkbd = serio_get_drvdata(serio); -out: - serio_unpin_driver(serio); - return retval; + return handler(atkbd, buf); } static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count, ssize_t (*handler)(struct atkbd *, const char *, size_t)) { struct serio *serio = to_serio_port(dev); - struct atkbd *atkbd; + struct atkbd *atkbd = serio_get_drvdata(serio); int retval; - retval = serio_pin_driver(serio); + retval = mutex_lock_interruptible(&atkbd->mutex); if (retval) return retval; - if (serio->drv != &atkbd_drv) { - retval = -ENODEV; - goto out; - } - - atkbd = serio_get_drvdata(serio); atkbd_disable(atkbd); retval = handler(atkbd, buf, count); atkbd_enable(atkbd); -out: - serio_unpin_driver(serio); + mutex_unlock(&atkbd->mutex); + return retval; } @@ -1004,27 +1341,87 @@ static ssize_t atkbd_show_extra(struct atkbd *atkbd, char *buf) static ssize_t atkbd_set_extra(struct atkbd *atkbd, const char *buf, size_t count) { - unsigned long value; - char *rest; + struct input_dev *old_dev, *new_dev; + unsigned int value; + int err; + bool old_extra; + unsigned char old_set; if (!atkbd->write) return -EIO; - value = simple_strtoul(buf, &rest, 10); - if (*rest || value > 1) + err = kstrtouint(buf, 10, &value); + if (err) + return err; + + if (value > 1) return -EINVAL; if (atkbd->extra != value) { - /* unregister device as it's properties will change */ - input_unregister_device(&atkbd->dev); + /* + * Since device's properties will change we need to + * unregister old device. But allocate and register + * new one first to make sure we have it. + */ + old_dev = atkbd->dev; + old_extra = atkbd->extra; + old_set = atkbd->set; + + new_dev = input_allocate_device(); + if (!new_dev) + return -ENOMEM; + + atkbd->dev = new_dev; atkbd->set = atkbd_select_set(atkbd, atkbd->set, value); + atkbd_reset_state(atkbd); atkbd_activate(atkbd); + atkbd_set_keycode_table(atkbd); atkbd_set_device_attrs(atkbd); - input_register_device(&atkbd->dev); + + err = input_register_device(atkbd->dev); + if (err) { + input_free_device(new_dev); + + atkbd->dev = old_dev; + atkbd->set = atkbd_select_set(atkbd, old_set, old_extra); + atkbd_set_keycode_table(atkbd); + atkbd_set_device_attrs(atkbd); + + return err; + } + input_unregister_device(old_dev); + } return count; } +static ssize_t atkbd_show_force_release(struct atkbd *atkbd, char *buf) +{ + size_t len = bitmap_scnlistprintf(buf, PAGE_SIZE - 2, + atkbd->force_release_mask, ATKBD_KEYMAP_SIZE); + + buf[len++] = '\n'; + buf[len] = '\0'; + + return len; +} + +static ssize_t atkbd_set_force_release(struct atkbd *atkbd, + const char *buf, size_t count) +{ + /* 64 bytes on stack should be acceptable */ + DECLARE_BITMAP(new_mask, ATKBD_KEYMAP_SIZE); + int err; + + err = bitmap_parselist(buf, new_mask, ATKBD_KEYMAP_SIZE); + if (err) + return err; + + memcpy(atkbd->force_release_mask, new_mask, sizeof(atkbd->force_release_mask)); + return count; +} + + static ssize_t atkbd_show_scroll(struct atkbd *atkbd, char *buf) { return sprintf(buf, "%d\n", atkbd->scroll ? 1 : 0); @@ -1032,20 +1429,43 @@ static ssize_t atkbd_show_scroll(struct atkbd *atkbd, char *buf) static ssize_t atkbd_set_scroll(struct atkbd *atkbd, const char *buf, size_t count) { - unsigned long value; - char *rest; + struct input_dev *old_dev, *new_dev; + unsigned int value; + int err; + bool old_scroll; + + err = kstrtouint(buf, 10, &value); + if (err) + return err; - value = simple_strtoul(buf, &rest, 10); - if (*rest || value > 1) + if (value > 1) return -EINVAL; if (atkbd->scroll != value) { - /* unregister device as it's properties will change */ - input_unregister_device(&atkbd->dev); + old_dev = atkbd->dev; + old_scroll = atkbd->scroll; + + new_dev = input_allocate_device(); + if (!new_dev) + return -ENOMEM; + + atkbd->dev = new_dev; atkbd->scroll = value; atkbd_set_keycode_table(atkbd); atkbd_set_device_attrs(atkbd); - input_register_device(&atkbd->dev); + + err = input_register_device(atkbd->dev); + if (err) { + input_free_device(new_dev); + + atkbd->scroll = old_scroll; + atkbd->dev = old_dev; + atkbd_set_keycode_table(atkbd); + atkbd_set_device_attrs(atkbd); + + return err; + } + input_unregister_device(old_dev); } return count; } @@ -1057,24 +1477,50 @@ static ssize_t atkbd_show_set(struct atkbd *atkbd, char *buf) static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count) { - unsigned long value; - char *rest; + struct input_dev *old_dev, *new_dev; + unsigned int value; + int err; + unsigned char old_set; + bool old_extra; if (!atkbd->write) return -EIO; - value = simple_strtoul(buf, &rest, 10); - if (*rest || (value != 2 && value != 3)) + err = kstrtouint(buf, 10, &value); + if (err) + return err; + + if (value != 2 && value != 3) return -EINVAL; if (atkbd->set != value) { - /* unregister device as it's properties will change */ - input_unregister_device(&atkbd->dev); + old_dev = atkbd->dev; + old_extra = atkbd->extra; + old_set = atkbd->set; + + new_dev = input_allocate_device(); + if (!new_dev) + return -ENOMEM; + + atkbd->dev = new_dev; atkbd->set = atkbd_select_set(atkbd, value, atkbd->extra); + atkbd_reset_state(atkbd); atkbd_activate(atkbd); atkbd_set_keycode_table(atkbd); atkbd_set_device_attrs(atkbd); - input_register_device(&atkbd->dev); + + err = input_register_device(atkbd->dev); + if (err) { + input_free_device(new_dev); + + atkbd->dev = old_dev; + atkbd->set = atkbd_select_set(atkbd, old_set, old_extra); + atkbd_set_keycode_table(atkbd); + atkbd_set_device_attrs(atkbd); + + return err; + } + input_unregister_device(old_dev); } return count; } @@ -1086,26 +1532,49 @@ static ssize_t atkbd_show_softrepeat(struct atkbd *atkbd, char *buf) static ssize_t atkbd_set_softrepeat(struct atkbd *atkbd, const char *buf, size_t count) { - unsigned long value; - char *rest; + struct input_dev *old_dev, *new_dev; + unsigned int value; + int err; + bool old_softrepeat, old_softraw; if (!atkbd->write) return -EIO; - value = simple_strtoul(buf, &rest, 10); - if (*rest || value > 1) + err = kstrtouint(buf, 10, &value); + if (err) + return err; + + if (value > 1) return -EINVAL; if (atkbd->softrepeat != value) { - /* unregister device as it's properties will change */ - input_unregister_device(&atkbd->dev); + old_dev = atkbd->dev; + old_softrepeat = atkbd->softrepeat; + old_softraw = atkbd->softraw; + + new_dev = input_allocate_device(); + if (!new_dev) + return -ENOMEM; + + atkbd->dev = new_dev; atkbd->softrepeat = value; if (atkbd->softrepeat) - atkbd->softraw = 1; + atkbd->softraw = true; atkbd_set_device_attrs(atkbd); - input_register_device(&atkbd->dev); - } + err = input_register_device(atkbd->dev); + if (err) { + input_free_device(new_dev); + + atkbd->dev = old_dev; + atkbd->softrepeat = old_softrepeat; + atkbd->softraw = old_softraw; + atkbd_set_device_attrs(atkbd); + + return err; + } + input_unregister_device(old_dev); + } return count; } @@ -1117,28 +1586,230 @@ static ssize_t atkbd_show_softraw(struct atkbd *atkbd, char *buf) static ssize_t atkbd_set_softraw(struct atkbd *atkbd, const char *buf, size_t count) { - unsigned long value; - char *rest; + struct input_dev *old_dev, *new_dev; + unsigned int value; + int err; + bool old_softraw; + + err = kstrtouint(buf, 10, &value); + if (err) + return err; - value = simple_strtoul(buf, &rest, 10); - if (*rest || value > 1) + if (value > 1) return -EINVAL; if (atkbd->softraw != value) { - /* unregister device as it's properties will change */ - input_unregister_device(&atkbd->dev); + old_dev = atkbd->dev; + old_softraw = atkbd->softraw; + + new_dev = input_allocate_device(); + if (!new_dev) + return -ENOMEM; + + atkbd->dev = new_dev; atkbd->softraw = value; atkbd_set_device_attrs(atkbd); - input_register_device(&atkbd->dev); + + err = input_register_device(atkbd->dev); + if (err) { + input_free_device(new_dev); + + atkbd->dev = old_dev; + atkbd->softraw = old_softraw; + atkbd_set_device_attrs(atkbd); + + return err; + } + input_unregister_device(old_dev); } return count; } +static ssize_t atkbd_show_err_count(struct atkbd *atkbd, char *buf) +{ + return sprintf(buf, "%lu\n", atkbd->err_count); +} + +static int __init atkbd_setup_forced_release(const struct dmi_system_id *id) +{ + atkbd_platform_fixup = atkbd_apply_forced_release_keylist; + atkbd_platform_fixup_data = id->driver_data; + + return 1; +} + +static int __init atkbd_setup_scancode_fixup(const struct dmi_system_id *id) +{ + atkbd_platform_scancode_fixup = id->driver_data; + + return 1; +} + +static int __init atkbd_deactivate_fixup(const struct dmi_system_id *id) +{ + atkbd_skip_deactivate = true; + return 1; +} + +static const struct dmi_system_id atkbd_dmi_quirk_table[] __initconst = { + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */ + }, + .callback = atkbd_setup_forced_release, + .driver_data = atkbd_dell_laptop_forced_release_keys, + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"), + DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */ + }, + .callback = atkbd_setup_forced_release, + .driver_data = atkbd_dell_laptop_forced_release_keys, + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP 2133"), + }, + .callback = atkbd_setup_forced_release, + .driver_data = atkbd_hp_forced_release_keys, + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion ZV6100"), + }, + .callback = atkbd_setup_forced_release, + .driver_data = atkbd_volume_forced_release_keys, + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4000"), + }, + .callback = atkbd_setup_forced_release, + .driver_data = atkbd_volume_forced_release_keys, + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4100"), + }, + .callback = atkbd_setup_forced_release, + .driver_data = atkbd_volume_forced_release_keys, + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4200"), + }, + .callback = atkbd_setup_forced_release, + .driver_data = atkbd_volume_forced_release_keys, + }, + { + /* Inventec Symphony */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "INVENTEC"), + DMI_MATCH(DMI_PRODUCT_NAME, "SYMPHONY 6.0/7.0"), + }, + .callback = atkbd_setup_forced_release, + .driver_data = atkbd_volume_forced_release_keys, + }, + { + /* Samsung NC10 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "NC10"), + }, + .callback = atkbd_setup_forced_release, + .driver_data = atkbd_samsung_forced_release_keys, + }, + { + /* Samsung NC20 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "NC20"), + }, + .callback = atkbd_setup_forced_release, + .driver_data = atkbd_samsung_forced_release_keys, + }, + { + /* Samsung SQ45S70S */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "SQ45S70S"), + }, + .callback = atkbd_setup_forced_release, + .driver_data = atkbd_samsung_forced_release_keys, + }, + { + /* Fujitsu Amilo PA 1510 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 1510"), + }, + .callback = atkbd_setup_forced_release, + .driver_data = atkbd_volume_forced_release_keys, + }, + { + /* Fujitsu Amilo Pi 3525 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 3525"), + }, + .callback = atkbd_setup_forced_release, + .driver_data = atkbd_amilo_pi3525_forced_release_keys, + }, + { + /* Fujitsu Amilo Xi 3650 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 3650"), + }, + .callback = atkbd_setup_forced_release, + .driver_data = atkbd_amilo_xi3650_forced_release_keys, + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Soltech Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "TA12"), + }, + .callback = atkbd_setup_forced_release, + .driver_data = atkdb_soltech_ta12_forced_release_keys, + }, + { + /* OQO Model 01+ */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "OQO"), + DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"), + }, + .callback = atkbd_setup_scancode_fixup, + .driver_data = atkbd_oqo_01plus_scancode_fixup, + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LG Electronics"), + DMI_MATCH(DMI_PRODUCT_NAME, "LW25-B7HV"), + }, + .callback = atkbd_deactivate_fixup, + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LG Electronics"), + DMI_MATCH(DMI_PRODUCT_NAME, "P1-J273B"), + }, + .callback = atkbd_deactivate_fixup, + }, + { } +}; static int __init atkbd_init(void) { - serio_register_driver(&atkbd_drv); - return 0; + dmi_check_system(atkbd_dmi_quirk_table); + + return serio_register_driver(&atkbd_drv); } static void __exit atkbd_exit(void) |
