diff options
| -rw-r--r-- | drivers/input/keyboard/Kconfig | 5 | ||||
| -rw-r--r-- | drivers/input/keyboard/hil_kbd.c | 251 | ||||
| -rw-r--r-- | drivers/input/mouse/Kconfig | 8 | ||||
| -rw-r--r-- | drivers/input/mouse/Makefile | 1 | ||||
| -rw-r--r-- | drivers/input/mouse/hil_ptr.c | 447 |
5 files changed, 219 insertions, 493 deletions
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig index a6b989a9dc0..5239e25e88a 100644 --- a/drivers/input/keyboard/Kconfig +++ b/drivers/input/keyboard/Kconfig @@ -187,7 +187,7 @@ config KEYBOARD_HIL_OLD submenu. config KEYBOARD_HIL - tristate "HP HIL keyboard support" + tristate "HP HIL keyboard/pointer support" depends on GSC || HP300 default y select HP_SDC @@ -196,7 +196,8 @@ config KEYBOARD_HIL help The "Human Interface Loop" is a older, 8-channel USB-like controller used in several Hewlett Packard models. - This driver implements support for HIL-keyboards attached + This driver implements support for HIL-keyboards and pointing + devices (mice, tablets, touchscreens) attached to your machine, so normally you should say Y here. config KEYBOARD_HP6XX diff --git a/drivers/input/keyboard/hil_kbd.c b/drivers/input/keyboard/hil_kbd.c index 235a669a0ac..c83f4b2ec7d 100644 --- a/drivers/input/keyboard/hil_kbd.c +++ b/drivers/input/keyboard/hil_kbd.c @@ -41,13 +41,13 @@ #include <linux/slab.h> #include <linux/pci_ids.h> -#define PREFIX "HIL KEYB: " -#define HIL_GENERIC_NAME "HIL keyboard" +#define PREFIX "HIL: " MODULE_AUTHOR("Brian S. Julin <bri@calyx.com>"); -MODULE_DESCRIPTION(HIL_GENERIC_NAME " driver"); +MODULE_DESCRIPTION("HIL keyboard/mouse driver"); MODULE_LICENSE("Dual BSD/GPL"); -MODULE_ALIAS("serio:ty03pr25id00ex*"); +MODULE_ALIAS("serio:ty03pr25id00ex*"); /* HIL keyboard */ +MODULE_ALIAS("serio:ty03pr25id0Fex*"); /* HIL mouse */ #define HIL_PACKET_MAX_LENGTH 16 @@ -82,6 +82,11 @@ struct hil_dev { 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) @@ -139,7 +144,7 @@ static void hil_dev_handle_command_response(struct hil_dev *dev) complete(&dev->cmd_done); } -static void hil_dev_handle_key_events(struct hil_dev *kbd) +static void hil_dev_handle_kbd_events(struct hil_dev *kbd) { struct input_dev *dev = kbd->dev; int idx = kbd->idx4 / 4; @@ -198,6 +203,67 @@ static void hil_dev_handle_key_events(struct hil_dev *kbd) 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 < dev->absmin[ABS_X + i]) + dev->absmin[ABS_X + i] = val; + if (val > dev->absmax[ABS_X + i]) + dev->absmax[ABS_X + i] = val; +#endif + if (i%3) val = dev->absmax[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"); @@ -234,8 +300,10 @@ static irqreturn_t hil_dev_interrupt(struct serio *serio, } 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_key_events(dev); + hil_dev_handle_kbd_events(dev); dev->idx4 = 0; } } @@ -251,15 +319,130 @@ static void hil_dev_disconnect(struct serio *serio) 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_dev->absmax[ABS_X + i] / 10; + input_dev->absmin[ABS_X + i] += diff; + input_dev->absmax[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 i; int error; dev = kzalloc(sizeof(*dev), GFP_KERNEL); @@ -317,49 +500,47 @@ static int hil_dev_connect(struct serio *serio, struct serio_driver *drv) 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: - printk(KERN_INFO PREFIX "HIL keyboard found (did = 0x%02x, lang = %s)\n", - did, hil_language[did & HIL_IDD_DID_TYPE_KB_LANG_MASK]); + 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; - default: - goto bail1; - } - if (HIL_IDD_NUM_BUTTONS(idd) || HIL_IDD_NUM_AXES_PER_SET(*idd)) { - printk(KERN_INFO PREFIX "keyboards only, no combo devices supported.\n"); + 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->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); - 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(dev->rnm) ? dev->rnm : HIL_GENERIC_NAME; - input_dev->phys = "hpkbd/input0"; /* XXX */ - 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; - for (i = 0; i < 128; i++) { - __set_bit(hil_kbd_set1[i], input_dev->keybit); - __set_bit(hil_kbd_set3[i], input_dev->keybit); + 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 */ } - __clear_bit(KEY_RESERVED, input_dev->keybit); - - serio_write(serio, 0); - serio_write(serio, 0); - serio_write(serio, HIL_PKT_CMD >> 8); - serio_write(serio, HIL_CMD_EK1); /* Enable Keyswitch Autorepeat 1 */ - /* No need to wait for completion */ error = input_register_device(input_dev); if (error) @@ -388,9 +569,9 @@ static struct serio_device_id hil_dev_ids[] = { static struct serio_driver hil_serio_drv = { .driver = { - .name = "hil_kbd", + .name = "hil_dev", }, - .description = "HP HIL keyboard driver", + .description = "HP HIL keyboard/mouse/tablet driver", .id_table = hil_dev_ids, .connect = hil_dev_connect, .disconnect = hil_dev_disconnect, diff --git a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig index 8a2c5b14c8d..90bef5d498f 100644 --- a/drivers/input/mouse/Kconfig +++ b/drivers/input/mouse/Kconfig @@ -262,14 +262,6 @@ config MOUSE_VSXXXAA described in the source file). This driver also works with the digitizer (VSXXX-AB) DEC produced. -config MOUSE_HIL - tristate "HIL pointers (mice etc)." - depends on GSC || HP300 - select HP_SDC - select HIL_MLC - help - Say Y here to support HIL pointers. - config MOUSE_GPIO tristate "GPIO mouse" depends on GENERIC_GPIO diff --git a/drivers/input/mouse/Makefile b/drivers/input/mouse/Makefile index 010f265ec15..ea58c9a372b 100644 --- a/drivers/input/mouse/Makefile +++ b/drivers/input/mouse/Makefile @@ -9,7 +9,6 @@ obj-$(CONFIG_MOUSE_APPLETOUCH) += appletouch.o obj-$(CONFIG_MOUSE_ATARI) += atarimouse.o obj-$(CONFIG_MOUSE_BCM5974) += bcm5974.o obj-$(CONFIG_MOUSE_GPIO) += gpio_mouse.o -obj-$(CONFIG_MOUSE_HIL) += hil_ptr.o obj-$(CONFIG_MOUSE_INPORT) += inport.o obj-$(CONFIG_MOUSE_LOGIBM) += logibm.o obj-$(CONFIG_MOUSE_MAPLE) += maplemouse.o diff --git a/drivers/input/mouse/hil_ptr.c b/drivers/input/mouse/hil_ptr.c deleted file mode 100644 index cd12c2d8fa0..00000000000 --- a/drivers/input/mouse/hil_ptr.c +++ /dev/null @@ -1,447 +0,0 @@ -/* - * Generic linux-input device driver for axis-bearing 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/slab.h> -#include <linux/pci_ids.h> - -#define PREFIX "HIL PTR: " -#define HIL_GENERIC_NAME "HIL pointer device" - -MODULE_AUTHOR("Brian S. Julin <bri@calyx.com>"); -MODULE_DESCRIPTION(HIL_GENERIC_NAME " driver"); -MODULE_LICENSE("Dual BSD/GPL"); -MODULE_ALIAS("serio:ty03pr25id0Fex*"); - -#define TABLET_SIMULATES_MOUSE /* allow tablet to be used as mouse */ -#undef TABLET_AUTOADJUST /* auto-adjust valid tablet ranges */ - - -#define HIL_PTR_MAX_LENGTH 16 - -struct hil_ptr { - struct input_dev *dev; - struct serio *serio; - - /* Input buffer and index for packets from HIL bus. */ - hil_packet data[HIL_PTR_MAX_LENGTH]; - int idx4; /* four counts per packet */ - - /* Raw device info records from HIL bus, see hil.h for fields. */ - char idd[HIL_PTR_MAX_LENGTH]; /* DID byte and IDD record */ - char rsc[HIL_PTR_MAX_LENGTH]; /* RSC record */ - char exd[HIL_PTR_MAX_LENGTH]; /* EXD record */ - char rnm[HIL_PTR_MAX_LENGTH + 1]; /* RNM record + NULL term. */ - - /* Extra device details not contained in struct input_dev. */ - unsigned int nbtn, naxes; - unsigned int btnmap[7]; - - /* Something to sleep around with. */ - struct semaphore sem; -}; - -/* Process a complete packet after transfer from the HIL */ -static void hil_ptr_process_record(struct hil_ptr *ptr) -{ - struct input_dev *dev = ptr->dev; - hil_packet *data = ptr->data; - hil_packet p; - int idx, i, cnt, laxis; - int ax16, absdev; - - idx = ptr->idx4/4; - p = data[idx - 1]; - - if ((p & ~HIL_CMDCT_POL) == - (HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_POL)) - goto report; - if ((p & ~HIL_CMDCT_RPL) == - (HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_RPL)) - goto report; - - /* Not a poll response. See if we are loading config records. */ - switch (p & HIL_PKT_DATA_MASK) { - case HIL_CMD_IDD: - for (i = 0; i < idx; i++) - ptr->idd[i] = ptr->data[i] & HIL_PKT_DATA_MASK; - for (; i < HIL_PTR_MAX_LENGTH; i++) - ptr->idd[i] = 0; - break; - - case HIL_CMD_RSC: - for (i = 0; i < idx; i++) - ptr->rsc[i] = ptr->data[i] & HIL_PKT_DATA_MASK; - for (; i < HIL_PTR_MAX_LENGTH; i++) - ptr->rsc[i] = 0; - break; - - case HIL_CMD_EXD: - for (i = 0; i < idx; i++) - ptr->exd[i] = ptr->data[i] & HIL_PKT_DATA_MASK; - for (; i < HIL_PTR_MAX_LENGTH; i++) - ptr->exd[i] = 0; - break; - - case HIL_CMD_RNM: - for (i = 0; i < idx; i++) - ptr->rnm[i] = ptr->data[i] & HIL_PKT_DATA_MASK; - for (; i < HIL_PTR_MAX_LENGTH + 1; i++) - ptr->rnm[i] = 0; - break; - - default: - /* These occur when device isn't present */ - if (p == (HIL_ERR_INT | HIL_PKT_CMD)) - break; - /* Anything else we'd like to know about. */ - printk(KERN_WARNING PREFIX "Device sent unknown record %x\n", p); - break; - } - goto out; - - report: - if ((p & HIL_CMDCT_POL) != idx - 1) { - printk(KERN_WARNING PREFIX - "Malformed poll packet %x (idx = %i)\n", p, idx); - goto out; - } - - i = (ptr->data[0] & HIL_POL_AXIS_ALT) ? 3 : 0; - laxis = ptr->data[0] & HIL_POL_NUM_AXES_MASK; - laxis += 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 < dev->absmin[ABS_X + i]) - dev->absmin[ABS_X + i] = val; - if (val > dev->absmax[ABS_X + i]) - dev->absmax[ABS_X + i] = val; -#endif - if (i%3) val = dev->absmax[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; - int up; - btn = ptr->data[cnt++]; - up = btn & 1; - btn &= 0xfe; - if (btn == 0x8e) - continue; /* TODO: proximity == touch? */ - else - if ((btn > 0x8c) || (btn < 0x80)) - continue; - btn = (btn - 0x80) >> 1; - btn = ptr->btnmap[btn]; - input_report_key(dev, btn, !up); - } - input_sync(dev); - out: - ptr->idx4 = 0; - up(&ptr->sem); -} - -static void hil_ptr_process_err(struct hil_ptr *ptr) -{ - printk(KERN_WARNING PREFIX "errored HIL packet\n"); - ptr->idx4 = 0; - up(&ptr->sem); -} - -static irqreturn_t hil_ptr_interrupt(struct serio *serio, - unsigned char data, unsigned int flags) -{ - struct hil_ptr *ptr; - hil_packet packet; - int idx; - - ptr = serio_get_drvdata(serio); - BUG_ON(ptr == NULL); - - if (ptr->idx4 >= (HIL_PTR_MAX_LENGTH * sizeof(hil_packet))) { - hil_ptr_process_err(ptr); - return IRQ_HANDLED; - } - idx = ptr->idx4/4; - if (!(ptr->idx4 % 4)) - ptr->data[idx] = 0; - packet = ptr->data[idx]; - packet |= ((hil_packet)data) << ((3 - (ptr->idx4 % 4)) * 8); - ptr->data[idx] = packet; - - /* Records of N 4-byte hil_packets must terminate with a command. */ - if ((++(ptr->idx4)) % 4) - return IRQ_HANDLED; - if ((packet & 0xffff0000) != HIL_ERR_INT) { - hil_ptr_process_err(ptr); - return IRQ_HANDLED; - } - if (packet & HIL_PKT_CMD) - hil_ptr_process_record(ptr); - - return IRQ_HANDLED; -} - -static void hil_ptr_disconnect(struct serio *serio) -{ - struct hil_ptr *ptr; - - ptr = serio_get_drvdata(serio); - BUG_ON(ptr == NULL); - - serio_close(serio); - input_unregister_device(ptr->dev); - kfree(ptr); -} - -static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver) -{ - struct hil_ptr *ptr; - const char *txt; - unsigned int i, naxsets, btntype; - uint8_t did, *idd; - int error; - - ptr = kzalloc(sizeof(struct hil_ptr), GFP_KERNEL); - if (!ptr) - return -ENOMEM; - - ptr->dev = input_allocate_device(); - if (!ptr->dev) { - error = -ENOMEM; - goto bail0; - } - - error = serio_open(serio, driver); - if (error) - goto bail1; - - serio_set_drvdata(serio, ptr); - ptr->serio = serio; - - init_MUTEX_LOCKED(&ptr->sem); - - /* Get device info. MLC driver supplies devid/status/etc. */ - serio_write(serio, 0); - serio_write(serio, 0); - serio_write(serio, HIL_PKT_CMD >> 8); - serio_write(serio, HIL_CMD_IDD); - down(&ptr->sem); - - serio_write(serio, 0); - serio_write(serio, 0); - serio_write(serio, HIL_PKT_CMD >> 8); - serio_write(serio, HIL_CMD_RSC); - down(&ptr->sem); - - serio_write(serio, 0); - serio_write(serio, 0); - serio_write(serio, HIL_PKT_CMD >> 8); - serio_write(serio, HIL_CMD_RNM); - down(&ptr->sem); - - serio_write(serio, 0); - serio_write(serio, 0); - serio_write(serio, HIL_PKT_CMD >> 8); - serio_write(serio, HIL_CMD_EXD); - down(&ptr->sem); - - up(&ptr->sem); - - did = ptr->idd[0]; - idd = ptr->idd + 1; - txt = "unknown"; - - if ((did & HIL_IDD_DID_TYPE_MASK) == HIL_IDD_DID_TYPE_REL) { - ptr->dev->evbit[0] = BIT_MASK(EV_REL); - txt = "relative"; - } - - if ((did & HIL_IDD_DID_TYPE_MASK) == HIL_IDD_DID_TYPE_ABS) { - ptr->dev->evbit[0] = BIT_MASK(EV_ABS); - txt = "absolute"; - } - - if (!ptr->dev->evbit[0]) { - error = -ENODEV; - goto bail2; - } - - ptr->nbtn = HIL_IDD_NUM_BUTTONS(idd); - if (ptr->nbtn) - ptr->dev->evbit[0] |= BIT_MASK(EV_KEY); - - naxsets = HIL_IDD_NUM_AXSETS(*idd); - ptr->naxes = HIL_IDD_NUM_AXES_PER_SET(*idd); - - 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); - - 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, ptr->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; - } - - if ((did & HIL_IDD_DID_TYPE_MASK) == HIL_IDD_DID_TYPE_REL) { - for (i = 0; i < ptr->naxes; i++) - set_bit(REL_X + i, ptr->dev->relbit); - for (i = 3; (i < ptr->naxes + 3) && (naxsets > 1); i++) - set_bit(REL_X + i, ptr->dev->relbit); - } else { - for (i = 0; i < ptr->naxes; i++) { - set_bit(ABS_X + i, ptr->dev->absbit); - ptr->dev->absmin[ABS_X + i] = 0; - ptr->dev->absmax[ABS_X + i] = - HIL_IDD_AXIS_MAX((ptr->idd + 1), i); - } - for (i = 3; (i < ptr->naxes + 3) && (naxsets > 1); i++) { - set_bit(ABS_X + i, ptr->dev->absbit); - ptr->dev->absmin[ABS_X + i] = 0; - ptr->dev->absmax[ABS_X + i] = - HIL_IDD_AXIS_MAX((ptr->idd + 1), (i - 3)); - } -#ifdef TABLET_AUTOADJUST - for (i = 0; i < ABS_MAX; i++) { - int diff = ptr->dev->absmax[ABS_X + i] / 10; - ptr->dev->absmin[ABS_X + i] += diff; - ptr->dev->absmax[ABS_X + i] -= diff; - } -#endif - } - - ptr->dev->name = strlen(ptr->rnm) ? ptr->rnm : HIL_GENERIC_NAME; - - ptr->dev->id.bustype = BUS_HIL; - ptr->dev->id.vendor = PCI_VENDOR_ID_HP; - ptr->dev->id.product = 0x0001; /* TODO: get from ptr->rsc */ - ptr->dev->id.version = 0x0100; /* TODO: get from ptr->rsc */ - ptr->dev->dev.parent = &serio->dev; - - error = input_register_device(ptr->dev); - if (error) { - printk(KERN_INFO PREFIX "Unable to register input device\n"); - goto bail2; - } - - printk(KERN_INFO "input: %s (%s), ID: %d\n", - ptr->dev->name, - (btntype == BTN_MOUSE) ? "HIL mouse":"HIL tablet or touchpad", - did); - - return 0; - - bail2: - serio_close(serio); - bail1: - input_free_device(ptr->dev); - bail0: - kfree(ptr); - serio_set_drvdata(serio, NULL); - return error; -} - -static struct serio_device_id hil_ptr_ids[] = { - { - .type = SERIO_HIL_MLC, - .proto = SERIO_HIL, - .id = SERIO_ANY, - .extra = SERIO_ANY, - }, - { 0 } -}; - -static struct serio_driver hil_ptr_serio_driver = { - .driver = { - .name = "hil_ptr", - }, - .description = "HP HIL mouse/tablet driver", - .id_table = hil_ptr_ids, - .connect = hil_ptr_connect, - .disconnect = hil_ptr_disconnect, - .interrupt = hil_ptr_interrupt -}; - -static int __init hil_ptr_init(void) -{ - return serio_register_driver(&hil_ptr_serio_driver); -} - -static void __exit hil_ptr_exit(void) -{ - serio_unregister_driver(&hil_ptr_serio_driver); -} - -module_init(hil_ptr_init); -module_exit(hil_ptr_exit); |