diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/input/keyboard/hil_kbd.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/input/keyboard/hil_kbd.c | 597 |
1 files changed, 0 insertions, 597 deletions
diff --git a/ANDROID_3.4.5/drivers/input/keyboard/hil_kbd.c b/ANDROID_3.4.5/drivers/input/keyboard/hil_kbd.c deleted file mode 100644 index fed31e09..00000000 --- a/ANDROID_3.4.5/drivers/input/keyboard/hil_kbd.c +++ /dev/null @@ -1,597 +0,0 @@ -/* - * Generic linux-input device driver for keyboard devices - * - * Copyright (c) 2001 Brian S. Julin - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL"). - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR - * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * - * References: - * HP-HIL Technical Reference Manual. Hewlett Packard Product No. 45918A - * - */ - -#include <linux/hil.h> -#include <linux/input.h> -#include <linux/serio.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/completion.h> -#include <linux/slab.h> -#include <linux/pci_ids.h> - -#define PREFIX "HIL: " - -MODULE_AUTHOR("Brian S. Julin <bri@calyx.com>"); -MODULE_DESCRIPTION("HIL keyboard/mouse driver"); -MODULE_LICENSE("Dual BSD/GPL"); -MODULE_ALIAS("serio:ty03pr25id00ex*"); /* HIL keyboard */ -MODULE_ALIAS("serio:ty03pr25id0Fex*"); /* HIL mouse */ - -#define HIL_PACKET_MAX_LENGTH 16 - -#define HIL_KBD_SET1_UPBIT 0x01 -#define HIL_KBD_SET1_SHIFT 1 -static unsigned int hil_kbd_set1[HIL_KEYCODES_SET1_TBLSIZE] __read_mostly = - { HIL_KEYCODES_SET1 }; - -#define HIL_KBD_SET2_UPBIT 0x01 -#define HIL_KBD_SET2_SHIFT 1 -/* Set2 is user defined */ - -#define HIL_KBD_SET3_UPBIT 0x80 -#define HIL_KBD_SET3_SHIFT 0 -static unsigned int hil_kbd_set3[HIL_KEYCODES_SET3_TBLSIZE] __read_mostly = - { HIL_KEYCODES_SET3 }; - -static const char hil_language[][16] = { HIL_LOCALE_MAP }; - -struct hil_dev { - struct input_dev *dev; - struct serio *serio; - - /* Input buffer and index for packets from HIL bus. */ - hil_packet data[HIL_PACKET_MAX_LENGTH]; - int idx4; /* four counts per packet */ - - /* Raw device info records from HIL bus, see hil.h for fields. */ - char idd[HIL_PACKET_MAX_LENGTH]; /* DID byte and IDD record */ - char rsc[HIL_PACKET_MAX_LENGTH]; /* RSC record */ - char exd[HIL_PACKET_MAX_LENGTH]; /* EXD record */ - char rnm[HIL_PACKET_MAX_LENGTH + 1]; /* RNM record + NULL term. */ - - struct completion cmd_done; - - bool is_pointer; - /* Extra device details needed for pointing devices. */ - unsigned int nbtn, naxes; - unsigned int btnmap[7]; -}; - -static bool hil_dev_is_command_response(hil_packet p) -{ - if ((p & ~HIL_CMDCT_POL) == (HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_POL)) - return false; - - if ((p & ~HIL_CMDCT_RPL) == (HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_RPL)) - return false; - - return true; -} - -static void hil_dev_handle_command_response(struct hil_dev *dev) -{ - hil_packet p; - char *buf; - int i, idx; - - idx = dev->idx4 / 4; - p = dev->data[idx - 1]; - - switch (p & HIL_PKT_DATA_MASK) { - case HIL_CMD_IDD: - buf = dev->idd; - break; - - case HIL_CMD_RSC: - buf = dev->rsc; - break; - - case HIL_CMD_EXD: - buf = dev->exd; - break; - - case HIL_CMD_RNM: - dev->rnm[HIL_PACKET_MAX_LENGTH] = 0; - buf = dev->rnm; - break; - - default: - /* These occur when device isn't present */ - if (p != (HIL_ERR_INT | HIL_PKT_CMD)) { - /* Anything else we'd like to know about. */ - printk(KERN_WARNING PREFIX "Device sent unknown record %x\n", p); - } - goto out; - } - - for (i = 0; i < idx; i++) - buf[i] = dev->data[i] & HIL_PKT_DATA_MASK; - for (; i < HIL_PACKET_MAX_LENGTH; i++) - buf[i] = 0; - out: - complete(&dev->cmd_done); -} - -static void hil_dev_handle_kbd_events(struct hil_dev *kbd) -{ - struct input_dev *dev = kbd->dev; - int idx = kbd->idx4 / 4; - int i; - - switch (kbd->data[0] & HIL_POL_CHARTYPE_MASK) { - case HIL_POL_CHARTYPE_NONE: - return; - - case HIL_POL_CHARTYPE_ASCII: - for (i = 1; i < idx - 1; i++) - input_report_key(dev, kbd->data[i] & 0x7f, 1); - break; - - case HIL_POL_CHARTYPE_RSVD1: - case HIL_POL_CHARTYPE_RSVD2: - case HIL_POL_CHARTYPE_BINARY: - for (i = 1; i < idx - 1; i++) - input_report_key(dev, kbd->data[i], 1); - break; - - case HIL_POL_CHARTYPE_SET1: - for (i = 1; i < idx - 1; i++) { - unsigned int key = kbd->data[i]; - int up = key & HIL_KBD_SET1_UPBIT; - - key &= (~HIL_KBD_SET1_UPBIT & 0xff); - key = hil_kbd_set1[key >> HIL_KBD_SET1_SHIFT]; - input_report_key(dev, key, !up); - } - break; - - case HIL_POL_CHARTYPE_SET2: - for (i = 1; i < idx - 1; i++) { - unsigned int key = kbd->data[i]; - int up = key & HIL_KBD_SET2_UPBIT; - - key &= (~HIL_KBD_SET1_UPBIT & 0xff); - key = key >> HIL_KBD_SET2_SHIFT; - input_report_key(dev, key, !up); - } - break; - - case HIL_POL_CHARTYPE_SET3: - for (i = 1; i < idx - 1; i++) { - unsigned int key = kbd->data[i]; - int up = key & HIL_KBD_SET3_UPBIT; - - key &= (~HIL_KBD_SET1_UPBIT & 0xff); - key = hil_kbd_set3[key >> HIL_KBD_SET3_SHIFT]; - input_report_key(dev, key, !up); - } - break; - } - - input_sync(dev); -} - -static void hil_dev_handle_ptr_events(struct hil_dev *ptr) -{ - struct input_dev *dev = ptr->dev; - int idx = ptr->idx4 / 4; - hil_packet p = ptr->data[idx - 1]; - int i, cnt, laxis; - bool absdev, ax16; - - if ((p & HIL_CMDCT_POL) != idx - 1) { - printk(KERN_WARNING PREFIX - "Malformed poll packet %x (idx = %i)\n", p, idx); - return; - } - - i = (p & HIL_POL_AXIS_ALT) ? 3 : 0; - laxis = (p & HIL_POL_NUM_AXES_MASK) + i; - - ax16 = ptr->idd[1] & HIL_IDD_HEADER_16BIT; /* 8 or 16bit resolution */ - absdev = ptr->idd[1] & HIL_IDD_HEADER_ABS; - - for (cnt = 1; i < laxis; i++) { - unsigned int lo, hi, val; - - lo = ptr->data[cnt++] & HIL_PKT_DATA_MASK; - hi = ax16 ? (ptr->data[cnt++] & HIL_PKT_DATA_MASK) : 0; - - if (absdev) { - val = lo + (hi << 8); -#ifdef TABLET_AUTOADJUST - if (val < input_abs_get_min(dev, ABS_X + i)) - input_abs_set_min(dev, ABS_X + i, val); - if (val > input_abs_get_max(dev, ABS_X + i)) - input_abs_set_max(dev, ABS_X + i, val); -#endif - if (i % 3) - val = input_abs_get_max(dev, ABS_X + i) - val; - input_report_abs(dev, ABS_X + i, val); - } else { - val = (int) (((int8_t) lo) | ((int8_t) hi << 8)); - if (i % 3) - val *= -1; - input_report_rel(dev, REL_X + i, val); - } - } - - while (cnt < idx - 1) { - unsigned int btn = ptr->data[cnt++]; - int up = btn & 1; - - btn &= 0xfe; - if (btn == 0x8e) - continue; /* TODO: proximity == touch? */ - if (btn > 0x8c || btn < 0x80) - continue; - btn = (btn - 0x80) >> 1; - btn = ptr->btnmap[btn]; - input_report_key(dev, btn, !up); - } - - input_sync(dev); -} - -static void hil_dev_process_err(struct hil_dev *dev) -{ - printk(KERN_WARNING PREFIX "errored HIL packet\n"); - dev->idx4 = 0; - complete(&dev->cmd_done); /* just in case somebody is waiting */ -} - -static irqreturn_t hil_dev_interrupt(struct serio *serio, - unsigned char data, unsigned int flags) -{ - struct hil_dev *dev; - hil_packet packet; - int idx; - - dev = serio_get_drvdata(serio); - BUG_ON(dev == NULL); - - if (dev->idx4 >= HIL_PACKET_MAX_LENGTH * sizeof(hil_packet)) { - hil_dev_process_err(dev); - goto out; - } - - idx = dev->idx4 / 4; - if (!(dev->idx4 % 4)) - dev->data[idx] = 0; - packet = dev->data[idx]; - packet |= ((hil_packet)data) << ((3 - (dev->idx4 % 4)) * 8); - dev->data[idx] = packet; - - /* Records of N 4-byte hil_packets must terminate with a command. */ - if ((++dev->idx4 % 4) == 0) { - if ((packet & 0xffff0000) != HIL_ERR_INT) { - hil_dev_process_err(dev); - } else if (packet & HIL_PKT_CMD) { - if (hil_dev_is_command_response(packet)) - hil_dev_handle_command_response(dev); - else if (dev->is_pointer) - hil_dev_handle_ptr_events(dev); - else - hil_dev_handle_kbd_events(dev); - dev->idx4 = 0; - } - } - out: - return IRQ_HANDLED; -} - -static void hil_dev_disconnect(struct serio *serio) -{ - struct hil_dev *dev = serio_get_drvdata(serio); - - BUG_ON(dev == NULL); - - serio_close(serio); - input_unregister_device(dev->dev); - serio_set_drvdata(serio, NULL); - kfree(dev); -} - -static void hil_dev_keyboard_setup(struct hil_dev *kbd) -{ - struct input_dev *input_dev = kbd->dev; - uint8_t did = kbd->idd[0]; - int i; - - input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP); - input_dev->ledbit[0] = BIT_MASK(LED_NUML) | BIT_MASK(LED_CAPSL) | - BIT_MASK(LED_SCROLLL); - - for (i = 0; i < 128; i++) { - __set_bit(hil_kbd_set1[i], input_dev->keybit); - __set_bit(hil_kbd_set3[i], input_dev->keybit); - } - __clear_bit(KEY_RESERVED, input_dev->keybit); - - input_dev->keycodemax = HIL_KEYCODES_SET1_TBLSIZE; - input_dev->keycodesize = sizeof(hil_kbd_set1[0]); - input_dev->keycode = hil_kbd_set1; - - input_dev->name = strlen(kbd->rnm) ? kbd->rnm : "HIL keyboard"; - input_dev->phys = "hpkbd/input0"; - - printk(KERN_INFO PREFIX "HIL keyboard found (did = 0x%02x, lang = %s)\n", - did, hil_language[did & HIL_IDD_DID_TYPE_KB_LANG_MASK]); -} - -static void hil_dev_pointer_setup(struct hil_dev *ptr) -{ - struct input_dev *input_dev = ptr->dev; - uint8_t did = ptr->idd[0]; - uint8_t *idd = ptr->idd + 1; - unsigned int naxsets = HIL_IDD_NUM_AXSETS(*idd); - unsigned int i, btntype; - const char *txt; - - ptr->naxes = HIL_IDD_NUM_AXES_PER_SET(*idd); - - switch (did & HIL_IDD_DID_TYPE_MASK) { - case HIL_IDD_DID_TYPE_REL: - input_dev->evbit[0] = BIT_MASK(EV_REL); - - for (i = 0; i < ptr->naxes; i++) - __set_bit(REL_X + i, input_dev->relbit); - - for (i = 3; naxsets > 1 && i < ptr->naxes + 3; i++) - __set_bit(REL_X + i, input_dev->relbit); - - txt = "relative"; - break; - - case HIL_IDD_DID_TYPE_ABS: - input_dev->evbit[0] = BIT_MASK(EV_ABS); - - for (i = 0; i < ptr->naxes; i++) - input_set_abs_params(input_dev, ABS_X + i, - 0, HIL_IDD_AXIS_MAX(idd, i), 0, 0); - - for (i = 3; naxsets > 1 && i < ptr->naxes + 3; i++) - input_set_abs_params(input_dev, ABS_X + i, - 0, HIL_IDD_AXIS_MAX(idd, i - 3), 0, 0); - -#ifdef TABLET_AUTOADJUST - for (i = 0; i < ABS_MAX; i++) { - int diff = input_abs_get_max(input_dev, ABS_X + i) / 10; - input_abs_set_min(input_dev, ABS_X + i, - input_abs_get_min(input_dev, ABS_X + i) + diff); - input_abs_set_max(input_dev, ABS_X + i, - input_abs_get_max(input_dev, ABS_X + i) - diff); - } -#endif - - txt = "absolute"; - break; - - default: - BUG(); - } - - ptr->nbtn = HIL_IDD_NUM_BUTTONS(idd); - if (ptr->nbtn) - input_dev->evbit[0] |= BIT_MASK(EV_KEY); - - btntype = BTN_MISC; - if ((did & HIL_IDD_DID_ABS_TABLET_MASK) == HIL_IDD_DID_ABS_TABLET) -#ifdef TABLET_SIMULATES_MOUSE - btntype = BTN_TOUCH; -#else - btntype = BTN_DIGI; -#endif - if ((did & HIL_IDD_DID_ABS_TSCREEN_MASK) == HIL_IDD_DID_ABS_TSCREEN) - btntype = BTN_TOUCH; - - if ((did & HIL_IDD_DID_REL_MOUSE_MASK) == HIL_IDD_DID_REL_MOUSE) - btntype = BTN_MOUSE; - - for (i = 0; i < ptr->nbtn; i++) { - __set_bit(btntype | i, input_dev->keybit); - ptr->btnmap[i] = btntype | i; - } - - if (btntype == BTN_MOUSE) { - /* Swap buttons 2 and 3 */ - ptr->btnmap[1] = BTN_MIDDLE; - ptr->btnmap[2] = BTN_RIGHT; - } - - input_dev->name = strlen(ptr->rnm) ? ptr->rnm : "HIL pointer device"; - - printk(KERN_INFO PREFIX - "HIL pointer device found (did: 0x%02x, axis: %s)\n", - did, txt); - printk(KERN_INFO PREFIX - "HIL pointer has %i buttons and %i sets of %i axes\n", - ptr->nbtn, naxsets, ptr->naxes); -} - -static int hil_dev_connect(struct serio *serio, struct serio_driver *drv) -{ - struct hil_dev *dev; - struct input_dev *input_dev; - uint8_t did, *idd; - int error; - - dev = kzalloc(sizeof(*dev), GFP_KERNEL); - input_dev = input_allocate_device(); - if (!dev || !input_dev) { - error = -ENOMEM; - goto bail0; - } - - dev->serio = serio; - dev->dev = input_dev; - - error = serio_open(serio, drv); - if (error) - goto bail0; - - serio_set_drvdata(serio, dev); - - /* Get device info. MLC driver supplies devid/status/etc. */ - init_completion(&dev->cmd_done); - serio_write(serio, 0); - serio_write(serio, 0); - serio_write(serio, HIL_PKT_CMD >> 8); - serio_write(serio, HIL_CMD_IDD); - error = wait_for_completion_killable(&dev->cmd_done); - if (error) - goto bail1; - - init_completion(&dev->cmd_done); - serio_write(serio, 0); - serio_write(serio, 0); - serio_write(serio, HIL_PKT_CMD >> 8); - serio_write(serio, HIL_CMD_RSC); - error = wait_for_completion_killable(&dev->cmd_done); - if (error) - goto bail1; - - init_completion(&dev->cmd_done); - serio_write(serio, 0); - serio_write(serio, 0); - serio_write(serio, HIL_PKT_CMD >> 8); - serio_write(serio, HIL_CMD_RNM); - error = wait_for_completion_killable(&dev->cmd_done); - if (error) - goto bail1; - - init_completion(&dev->cmd_done); - serio_write(serio, 0); - serio_write(serio, 0); - serio_write(serio, HIL_PKT_CMD >> 8); - serio_write(serio, HIL_CMD_EXD); - error = wait_for_completion_killable(&dev->cmd_done); - if (error) - goto bail1; - - did = dev->idd[0]; - idd = dev->idd + 1; - - switch (did & HIL_IDD_DID_TYPE_MASK) { - case HIL_IDD_DID_TYPE_KB_INTEGRAL: - case HIL_IDD_DID_TYPE_KB_ITF: - case HIL_IDD_DID_TYPE_KB_RSVD: - case HIL_IDD_DID_TYPE_CHAR: - if (HIL_IDD_NUM_BUTTONS(idd) || - HIL_IDD_NUM_AXES_PER_SET(*idd)) { - printk(KERN_INFO PREFIX - "combo devices are not supported.\n"); - goto bail1; - } - - dev->is_pointer = false; - hil_dev_keyboard_setup(dev); - break; - - case HIL_IDD_DID_TYPE_REL: - case HIL_IDD_DID_TYPE_ABS: - dev->is_pointer = true; - hil_dev_pointer_setup(dev); - break; - - default: - goto bail1; - } - - input_dev->id.bustype = BUS_HIL; - input_dev->id.vendor = PCI_VENDOR_ID_HP; - input_dev->id.product = 0x0001; /* TODO: get from kbd->rsc */ - input_dev->id.version = 0x0100; /* TODO: get from kbd->rsc */ - input_dev->dev.parent = &serio->dev; - - if (!dev->is_pointer) { - serio_write(serio, 0); - serio_write(serio, 0); - serio_write(serio, HIL_PKT_CMD >> 8); - /* Enable Keyswitch Autorepeat 1 */ - serio_write(serio, HIL_CMD_EK1); - /* No need to wait for completion */ - } - - error = input_register_device(input_dev); - if (error) - goto bail1; - - return 0; - - bail1: - serio_close(serio); - serio_set_drvdata(serio, NULL); - bail0: - input_free_device(input_dev); - kfree(dev); - return error; -} - -static struct serio_device_id hil_dev_ids[] = { - { - .type = SERIO_HIL_MLC, - .proto = SERIO_HIL, - .id = SERIO_ANY, - .extra = SERIO_ANY, - }, - { 0 } -}; - -MODULE_DEVICE_TABLE(serio, hil_dev_ids); - -static struct serio_driver hil_serio_drv = { - .driver = { - .name = "hil_dev", - }, - .description = "HP HIL keyboard/mouse/tablet driver", - .id_table = hil_dev_ids, - .connect = hil_dev_connect, - .disconnect = hil_dev_disconnect, - .interrupt = hil_dev_interrupt -}; - -static int __init hil_dev_init(void) -{ - return serio_register_driver(&hil_serio_drv); -} - -static void __exit hil_dev_exit(void) -{ - serio_unregister_driver(&hil_serio_drv); -} - -module_init(hil_dev_init); -module_exit(hil_dev_exit); |