Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Generic linux-input device driver for keyboard devices |
| 3 | * |
| 4 | * Copyright (c) 2001 Brian S. Julin |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * 1. Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions, and the following disclaimer, |
| 12 | * without modification. |
| 13 | * 2. The name of the author may not be used to endorse or promote products |
| 14 | * derived from this software without specific prior written permission. |
| 15 | * |
| 16 | * Alternatively, this software may be distributed under the terms of the |
| 17 | * GNU General Public License ("GPL"). |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| 20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR |
| 23 | * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 28 | * |
| 29 | * References: |
| 30 | * HP-HIL Technical Reference Manual. Hewlett Packard Product No. 45918A |
| 31 | * |
| 32 | */ |
| 33 | |
| 34 | #include <linux/hil.h> |
| 35 | #include <linux/input.h> |
| 36 | #include <linux/serio.h> |
| 37 | #include <linux/kernel.h> |
| 38 | #include <linux/module.h> |
| 39 | #include <linux/init.h> |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 40 | #include <linux/completion.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | #include <linux/slab.h> |
| 42 | #include <linux/pci_ids.h> |
| 43 | |
Dmitry Torokhov | fa71c60 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 44 | #define PREFIX "HIL: " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | |
| 46 | MODULE_AUTHOR("Brian S. Julin <bri@calyx.com>"); |
Dmitry Torokhov | fa71c60 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 47 | MODULE_DESCRIPTION("HIL keyboard/mouse driver"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 48 | MODULE_LICENSE("Dual BSD/GPL"); |
Dmitry Torokhov | fa71c60 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 49 | MODULE_ALIAS("serio:ty03pr25id00ex*"); /* HIL keyboard */ |
| 50 | MODULE_ALIAS("serio:ty03pr25id0Fex*"); /* HIL mouse */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 52 | #define HIL_PACKET_MAX_LENGTH 16 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | |
| 54 | #define HIL_KBD_SET1_UPBIT 0x01 |
| 55 | #define HIL_KBD_SET1_SHIFT 1 |
Helge Deller | 3acaf54 | 2007-02-28 23:51:19 -0500 | [diff] [blame] | 56 | static unsigned int hil_kbd_set1[HIL_KEYCODES_SET1_TBLSIZE] __read_mostly = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 57 | { HIL_KEYCODES_SET1 }; |
| 58 | |
| 59 | #define HIL_KBD_SET2_UPBIT 0x01 |
| 60 | #define HIL_KBD_SET2_SHIFT 1 |
| 61 | /* Set2 is user defined */ |
| 62 | |
| 63 | #define HIL_KBD_SET3_UPBIT 0x80 |
| 64 | #define HIL_KBD_SET3_SHIFT 0 |
Helge Deller | 3acaf54 | 2007-02-28 23:51:19 -0500 | [diff] [blame] | 65 | static unsigned int hil_kbd_set3[HIL_KEYCODES_SET3_TBLSIZE] __read_mostly = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | { HIL_KEYCODES_SET3 }; |
| 67 | |
Helge Deller | 3acaf54 | 2007-02-28 23:51:19 -0500 | [diff] [blame] | 68 | static const char hil_language[][16] = { HIL_LOCALE_MAP }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 70 | struct hil_dev { |
Helge Deller | 102c8c7 | 2006-03-26 07:41:55 -0700 | [diff] [blame] | 71 | struct input_dev *dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 72 | struct serio *serio; |
| 73 | |
| 74 | /* Input buffer and index for packets from HIL bus. */ |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 75 | hil_packet data[HIL_PACKET_MAX_LENGTH]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | int idx4; /* four counts per packet */ |
| 77 | |
| 78 | /* Raw device info records from HIL bus, see hil.h for fields. */ |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 79 | char idd[HIL_PACKET_MAX_LENGTH]; /* DID byte and IDD record */ |
| 80 | char rsc[HIL_PACKET_MAX_LENGTH]; /* RSC record */ |
| 81 | char exd[HIL_PACKET_MAX_LENGTH]; /* EXD record */ |
| 82 | char rnm[HIL_PACKET_MAX_LENGTH + 1]; /* RNM record + NULL term. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 84 | struct completion cmd_done; |
Dmitry Torokhov | fa71c60 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 85 | |
| 86 | bool is_pointer; |
| 87 | /* Extra device details needed for pointing devices. */ |
| 88 | unsigned int nbtn, naxes; |
| 89 | unsigned int btnmap[7]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 90 | }; |
| 91 | |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 92 | static bool hil_dev_is_command_response(hil_packet p) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 93 | { |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 94 | if ((p & ~HIL_CMDCT_POL) == (HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_POL)) |
| 95 | return false; |
| 96 | |
| 97 | if ((p & ~HIL_CMDCT_RPL) == (HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_RPL)) |
| 98 | return false; |
| 99 | |
| 100 | return true; |
| 101 | } |
| 102 | |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 103 | static void hil_dev_handle_command_response(struct hil_dev *dev) |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 104 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 105 | hil_packet p; |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 106 | char *buf; |
| 107 | int i, idx; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 108 | |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 109 | idx = dev->idx4 / 4; |
| 110 | p = dev->data[idx - 1]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 111 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 112 | switch (p & HIL_PKT_DATA_MASK) { |
| 113 | case HIL_CMD_IDD: |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 114 | buf = dev->idd; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 115 | break; |
Helge Deller | ffd51f4 | 2007-02-28 23:51:29 -0500 | [diff] [blame] | 116 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 117 | case HIL_CMD_RSC: |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 118 | buf = dev->rsc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 119 | break; |
Helge Deller | ffd51f4 | 2007-02-28 23:51:29 -0500 | [diff] [blame] | 120 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | case HIL_CMD_EXD: |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 122 | buf = dev->exd; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 123 | break; |
Helge Deller | ffd51f4 | 2007-02-28 23:51:29 -0500 | [diff] [blame] | 124 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 125 | case HIL_CMD_RNM: |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 126 | dev->rnm[HIL_PACKET_MAX_LENGTH] = 0; |
| 127 | buf = dev->rnm; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 128 | break; |
Helge Deller | ffd51f4 | 2007-02-28 23:51:29 -0500 | [diff] [blame] | 129 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 130 | default: |
| 131 | /* These occur when device isn't present */ |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 132 | if (p != (HIL_ERR_INT | HIL_PKT_CMD)) { |
| 133 | /* Anything else we'd like to know about. */ |
| 134 | printk(KERN_WARNING PREFIX "Device sent unknown record %x\n", p); |
| 135 | } |
| 136 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 137 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 138 | |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 139 | for (i = 0; i < idx; i++) |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 140 | buf[i] = dev->data[i] & HIL_PKT_DATA_MASK; |
| 141 | for (; i < HIL_PACKET_MAX_LENGTH; i++) |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 142 | buf[i] = 0; |
| 143 | out: |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 144 | complete(&dev->cmd_done); |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 145 | } |
| 146 | |
Dmitry Torokhov | fa71c60 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 147 | static void hil_dev_handle_kbd_events(struct hil_dev *kbd) |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 148 | { |
| 149 | struct input_dev *dev = kbd->dev; |
| 150 | int idx = kbd->idx4 / 4; |
| 151 | int i; |
| 152 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | switch (kbd->data[0] & HIL_POL_CHARTYPE_MASK) { |
| 154 | case HIL_POL_CHARTYPE_NONE: |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 155 | return; |
Helge Deller | ffd51f4 | 2007-02-28 23:51:29 -0500 | [diff] [blame] | 156 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 157 | case HIL_POL_CHARTYPE_ASCII: |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 158 | for (i = 1; i < idx - 1; i++) |
| 159 | input_report_key(dev, kbd->data[i] & 0x7f, 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 160 | break; |
Helge Deller | ffd51f4 | 2007-02-28 23:51:29 -0500 | [diff] [blame] | 161 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 162 | case HIL_POL_CHARTYPE_RSVD1: |
| 163 | case HIL_POL_CHARTYPE_RSVD2: |
| 164 | case HIL_POL_CHARTYPE_BINARY: |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 165 | for (i = 1; i < idx - 1; i++) |
| 166 | input_report_key(dev, kbd->data[i], 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 167 | break; |
Helge Deller | ffd51f4 | 2007-02-28 23:51:29 -0500 | [diff] [blame] | 168 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 169 | case HIL_POL_CHARTYPE_SET1: |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 170 | for (i = 1; i < idx - 1; i++) { |
| 171 | unsigned int key = kbd->data[i]; |
| 172 | int up = key & HIL_KBD_SET1_UPBIT; |
| 173 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 174 | key &= (~HIL_KBD_SET1_UPBIT & 0xff); |
| 175 | key = hil_kbd_set1[key >> HIL_KBD_SET1_SHIFT]; |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 176 | input_report_key(dev, key, !up); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 177 | } |
| 178 | break; |
Helge Deller | ffd51f4 | 2007-02-28 23:51:29 -0500 | [diff] [blame] | 179 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 180 | case HIL_POL_CHARTYPE_SET2: |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 181 | for (i = 1; i < idx - 1; i++) { |
| 182 | unsigned int key = kbd->data[i]; |
| 183 | int up = key & HIL_KBD_SET2_UPBIT; |
| 184 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 185 | key &= (~HIL_KBD_SET1_UPBIT & 0xff); |
| 186 | key = key >> HIL_KBD_SET2_SHIFT; |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 187 | input_report_key(dev, key, !up); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 188 | } |
| 189 | break; |
Helge Deller | ffd51f4 | 2007-02-28 23:51:29 -0500 | [diff] [blame] | 190 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 191 | case HIL_POL_CHARTYPE_SET3: |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 192 | for (i = 1; i < idx - 1; i++) { |
| 193 | unsigned int key = kbd->data[i]; |
| 194 | int up = key & HIL_KBD_SET3_UPBIT; |
| 195 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 196 | key &= (~HIL_KBD_SET1_UPBIT & 0xff); |
| 197 | key = hil_kbd_set3[key >> HIL_KBD_SET3_SHIFT]; |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 198 | input_report_key(dev, key, !up); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 199 | } |
| 200 | break; |
| 201 | } |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 202 | |
| 203 | input_sync(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 204 | } |
| 205 | |
Dmitry Torokhov | fa71c60 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 206 | static void hil_dev_handle_ptr_events(struct hil_dev *ptr) |
| 207 | { |
| 208 | struct input_dev *dev = ptr->dev; |
| 209 | int idx = ptr->idx4 / 4; |
| 210 | hil_packet p = ptr->data[idx - 1]; |
| 211 | int i, cnt, laxis; |
| 212 | bool absdev, ax16; |
| 213 | |
| 214 | if ((p & HIL_CMDCT_POL) != idx - 1) { |
| 215 | printk(KERN_WARNING PREFIX |
| 216 | "Malformed poll packet %x (idx = %i)\n", p, idx); |
| 217 | return; |
| 218 | } |
| 219 | |
| 220 | i = (p & HIL_POL_AXIS_ALT) ? 3 : 0; |
| 221 | laxis = (p & HIL_POL_NUM_AXES_MASK) + i; |
| 222 | |
| 223 | ax16 = ptr->idd[1] & HIL_IDD_HEADER_16BIT; /* 8 or 16bit resolution */ |
| 224 | absdev = ptr->idd[1] & HIL_IDD_HEADER_ABS; |
| 225 | |
| 226 | for (cnt = 1; i < laxis; i++) { |
| 227 | unsigned int lo, hi, val; |
| 228 | |
| 229 | lo = ptr->data[cnt++] & HIL_PKT_DATA_MASK; |
| 230 | hi = ax16 ? (ptr->data[cnt++] & HIL_PKT_DATA_MASK) : 0; |
| 231 | |
| 232 | if (absdev) { |
| 233 | val = lo + (hi << 8); |
| 234 | #ifdef TABLET_AUTOADJUST |
Dmitry Torokhov | 77edf0c | 2010-08-17 21:22:13 -0700 | [diff] [blame] | 235 | if (val < input_abs_get_min(dev, ABS_X + i)) |
Daniel Mack | 987a6c0 | 2010-08-02 20:15:17 -0700 | [diff] [blame] | 236 | input_abs_set_min(dev, ABS_X + i, val); |
Dmitry Torokhov | 77edf0c | 2010-08-17 21:22:13 -0700 | [diff] [blame] | 237 | if (val > input_abs_get_max(dev, ABS_X + i)) |
Daniel Mack | b84ae4a | 2010-08-12 09:22:18 -0700 | [diff] [blame] | 238 | input_abs_set_max(dev, ABS_X + i, val); |
Dmitry Torokhov | fa71c60 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 239 | #endif |
Daniel Mack | 987a6c0 | 2010-08-02 20:15:17 -0700 | [diff] [blame] | 240 | if (i % 3) |
Dmitry Torokhov | 77edf0c | 2010-08-17 21:22:13 -0700 | [diff] [blame] | 241 | val = input_abs_get_max(dev, ABS_X + i) - val; |
Dmitry Torokhov | fa71c60 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 242 | input_report_abs(dev, ABS_X + i, val); |
| 243 | } else { |
Daniel Mack | 987a6c0 | 2010-08-02 20:15:17 -0700 | [diff] [blame] | 244 | val = (int) (((int8_t) lo) | ((int8_t) hi << 8)); |
Dmitry Torokhov | fa71c60 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 245 | if (i % 3) |
| 246 | val *= -1; |
| 247 | input_report_rel(dev, REL_X + i, val); |
| 248 | } |
| 249 | } |
| 250 | |
| 251 | while (cnt < idx - 1) { |
| 252 | unsigned int btn = ptr->data[cnt++]; |
| 253 | int up = btn & 1; |
| 254 | |
| 255 | btn &= 0xfe; |
| 256 | if (btn == 0x8e) |
| 257 | continue; /* TODO: proximity == touch? */ |
| 258 | if (btn > 0x8c || btn < 0x80) |
| 259 | continue; |
| 260 | btn = (btn - 0x80) >> 1; |
| 261 | btn = ptr->btnmap[btn]; |
| 262 | input_report_key(dev, btn, !up); |
| 263 | } |
| 264 | |
| 265 | input_sync(dev); |
| 266 | } |
| 267 | |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 268 | static void hil_dev_process_err(struct hil_dev *dev) |
Helge Deller | ffd51f4 | 2007-02-28 23:51:29 -0500 | [diff] [blame] | 269 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 270 | printk(KERN_WARNING PREFIX "errored HIL packet\n"); |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 271 | dev->idx4 = 0; |
| 272 | complete(&dev->cmd_done); /* just in case somebody is waiting */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 273 | } |
| 274 | |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 275 | static irqreturn_t hil_dev_interrupt(struct serio *serio, |
Helge Deller | ffd51f4 | 2007-02-28 23:51:29 -0500 | [diff] [blame] | 276 | unsigned char data, unsigned int flags) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 277 | { |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 278 | struct hil_dev *dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 279 | hil_packet packet; |
| 280 | int idx; |
| 281 | |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 282 | dev = serio_get_drvdata(serio); |
| 283 | BUG_ON(dev == NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 284 | |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 285 | if (dev->idx4 >= HIL_PACKET_MAX_LENGTH * sizeof(hil_packet)) { |
| 286 | hil_dev_process_err(dev); |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 287 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 288 | } |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 289 | |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 290 | idx = dev->idx4 / 4; |
| 291 | if (!(dev->idx4 % 4)) |
| 292 | dev->data[idx] = 0; |
| 293 | packet = dev->data[idx]; |
| 294 | packet |= ((hil_packet)data) << ((3 - (dev->idx4 % 4)) * 8); |
| 295 | dev->data[idx] = packet; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 296 | |
| 297 | /* Records of N 4-byte hil_packets must terminate with a command. */ |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 298 | if ((++dev->idx4 % 4) == 0) { |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 299 | if ((packet & 0xffff0000) != HIL_ERR_INT) { |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 300 | hil_dev_process_err(dev); |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 301 | } else if (packet & HIL_PKT_CMD) { |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 302 | if (hil_dev_is_command_response(packet)) |
| 303 | hil_dev_handle_command_response(dev); |
Dmitry Torokhov | fa71c60 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 304 | else if (dev->is_pointer) |
| 305 | hil_dev_handle_ptr_events(dev); |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 306 | else |
Dmitry Torokhov | fa71c60 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 307 | hil_dev_handle_kbd_events(dev); |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 308 | dev->idx4 = 0; |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 309 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 310 | } |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 311 | out: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 312 | return IRQ_HANDLED; |
| 313 | } |
| 314 | |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 315 | static void hil_dev_disconnect(struct serio *serio) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 316 | { |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 317 | struct hil_dev *dev = serio_get_drvdata(serio); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 318 | |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 319 | BUG_ON(dev == NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 320 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 321 | serio_close(serio); |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 322 | input_unregister_device(dev->dev); |
Dmitry Torokhov | fa71c60 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 323 | serio_set_drvdata(serio, NULL); |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 324 | kfree(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 325 | } |
| 326 | |
Dmitry Torokhov | fa71c60 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 327 | static void hil_dev_keyboard_setup(struct hil_dev *kbd) |
| 328 | { |
| 329 | struct input_dev *input_dev = kbd->dev; |
| 330 | uint8_t did = kbd->idd[0]; |
| 331 | int i; |
| 332 | |
| 333 | input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP); |
| 334 | input_dev->ledbit[0] = BIT_MASK(LED_NUML) | BIT_MASK(LED_CAPSL) | |
| 335 | BIT_MASK(LED_SCROLLL); |
| 336 | |
| 337 | for (i = 0; i < 128; i++) { |
| 338 | __set_bit(hil_kbd_set1[i], input_dev->keybit); |
| 339 | __set_bit(hil_kbd_set3[i], input_dev->keybit); |
| 340 | } |
| 341 | __clear_bit(KEY_RESERVED, input_dev->keybit); |
| 342 | |
| 343 | input_dev->keycodemax = HIL_KEYCODES_SET1_TBLSIZE; |
| 344 | input_dev->keycodesize = sizeof(hil_kbd_set1[0]); |
| 345 | input_dev->keycode = hil_kbd_set1; |
| 346 | |
| 347 | input_dev->name = strlen(kbd->rnm) ? kbd->rnm : "HIL keyboard"; |
| 348 | input_dev->phys = "hpkbd/input0"; |
| 349 | |
| 350 | printk(KERN_INFO PREFIX "HIL keyboard found (did = 0x%02x, lang = %s)\n", |
| 351 | did, hil_language[did & HIL_IDD_DID_TYPE_KB_LANG_MASK]); |
| 352 | } |
| 353 | |
| 354 | static void hil_dev_pointer_setup(struct hil_dev *ptr) |
| 355 | { |
| 356 | struct input_dev *input_dev = ptr->dev; |
| 357 | uint8_t did = ptr->idd[0]; |
| 358 | uint8_t *idd = ptr->idd + 1; |
| 359 | unsigned int naxsets = HIL_IDD_NUM_AXSETS(*idd); |
| 360 | unsigned int i, btntype; |
| 361 | const char *txt; |
| 362 | |
| 363 | ptr->naxes = HIL_IDD_NUM_AXES_PER_SET(*idd); |
| 364 | |
| 365 | switch (did & HIL_IDD_DID_TYPE_MASK) { |
| 366 | case HIL_IDD_DID_TYPE_REL: |
| 367 | input_dev->evbit[0] = BIT_MASK(EV_REL); |
| 368 | |
| 369 | for (i = 0; i < ptr->naxes; i++) |
| 370 | __set_bit(REL_X + i, input_dev->relbit); |
| 371 | |
| 372 | for (i = 3; naxsets > 1 && i < ptr->naxes + 3; i++) |
| 373 | __set_bit(REL_X + i, input_dev->relbit); |
| 374 | |
| 375 | txt = "relative"; |
| 376 | break; |
| 377 | |
| 378 | case HIL_IDD_DID_TYPE_ABS: |
| 379 | input_dev->evbit[0] = BIT_MASK(EV_ABS); |
| 380 | |
| 381 | for (i = 0; i < ptr->naxes; i++) |
| 382 | input_set_abs_params(input_dev, ABS_X + i, |
| 383 | 0, HIL_IDD_AXIS_MAX(idd, i), 0, 0); |
| 384 | |
| 385 | for (i = 3; naxsets > 1 && i < ptr->naxes + 3; i++) |
| 386 | input_set_abs_params(input_dev, ABS_X + i, |
| 387 | 0, HIL_IDD_AXIS_MAX(idd, i - 3), 0, 0); |
| 388 | |
| 389 | #ifdef TABLET_AUTOADJUST |
| 390 | for (i = 0; i < ABS_MAX; i++) { |
Dmitry Torokhov | 77edf0c | 2010-08-17 21:22:13 -0700 | [diff] [blame] | 391 | int diff = input_abs_get_max(input_dev, ABS_X + i) / 10; |
Daniel Mack | 987a6c0 | 2010-08-02 20:15:17 -0700 | [diff] [blame] | 392 | input_abs_set_min(input_dev, ABS_X + i, |
Dmitry Torokhov | 77edf0c | 2010-08-17 21:22:13 -0700 | [diff] [blame] | 393 | input_abs_get_min(input_dev, ABS_X + i) + diff); |
Daniel Mack | b84ae4a | 2010-08-12 09:22:18 -0700 | [diff] [blame] | 394 | input_abs_set_max(input_dev, ABS_X + i, |
Dmitry Torokhov | 77edf0c | 2010-08-17 21:22:13 -0700 | [diff] [blame] | 395 | input_abs_get_max(input_dev, ABS_X + i) - diff); |
Dmitry Torokhov | fa71c60 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 396 | } |
| 397 | #endif |
| 398 | |
| 399 | txt = "absolute"; |
| 400 | break; |
| 401 | |
| 402 | default: |
| 403 | BUG(); |
| 404 | } |
| 405 | |
| 406 | ptr->nbtn = HIL_IDD_NUM_BUTTONS(idd); |
| 407 | if (ptr->nbtn) |
| 408 | input_dev->evbit[0] |= BIT_MASK(EV_KEY); |
| 409 | |
| 410 | btntype = BTN_MISC; |
| 411 | if ((did & HIL_IDD_DID_ABS_TABLET_MASK) == HIL_IDD_DID_ABS_TABLET) |
| 412 | #ifdef TABLET_SIMULATES_MOUSE |
| 413 | btntype = BTN_TOUCH; |
| 414 | #else |
| 415 | btntype = BTN_DIGI; |
| 416 | #endif |
| 417 | if ((did & HIL_IDD_DID_ABS_TSCREEN_MASK) == HIL_IDD_DID_ABS_TSCREEN) |
| 418 | btntype = BTN_TOUCH; |
| 419 | |
| 420 | if ((did & HIL_IDD_DID_REL_MOUSE_MASK) == HIL_IDD_DID_REL_MOUSE) |
| 421 | btntype = BTN_MOUSE; |
| 422 | |
| 423 | for (i = 0; i < ptr->nbtn; i++) { |
| 424 | __set_bit(btntype | i, input_dev->keybit); |
| 425 | ptr->btnmap[i] = btntype | i; |
| 426 | } |
| 427 | |
| 428 | if (btntype == BTN_MOUSE) { |
| 429 | /* Swap buttons 2 and 3 */ |
| 430 | ptr->btnmap[1] = BTN_MIDDLE; |
| 431 | ptr->btnmap[2] = BTN_RIGHT; |
| 432 | } |
| 433 | |
| 434 | input_dev->name = strlen(ptr->rnm) ? ptr->rnm : "HIL pointer device"; |
| 435 | |
| 436 | printk(KERN_INFO PREFIX |
| 437 | "HIL pointer device found (did: 0x%02x, axis: %s)\n", |
| 438 | did, txt); |
| 439 | printk(KERN_INFO PREFIX |
| 440 | "HIL pointer has %i buttons and %i sets of %i axes\n", |
| 441 | ptr->nbtn, naxsets, ptr->naxes); |
| 442 | } |
| 443 | |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 444 | static int hil_dev_connect(struct serio *serio, struct serio_driver *drv) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 445 | { |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 446 | struct hil_dev *dev; |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 447 | struct input_dev *input_dev; |
| 448 | uint8_t did, *idd; |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 449 | int error; |
Dmitry Torokhov | 95d465f | 2006-04-02 00:08:05 -0500 | [diff] [blame] | 450 | |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 451 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 452 | input_dev = input_allocate_device(); |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 453 | if (!dev || !input_dev) { |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 454 | error = -ENOMEM; |
| 455 | goto bail0; |
| 456 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 457 | |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 458 | dev->serio = serio; |
| 459 | dev->dev = input_dev; |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 460 | |
| 461 | error = serio_open(serio, drv); |
| 462 | if (error) |
Dmitry Torokhov | 95d465f | 2006-04-02 00:08:05 -0500 | [diff] [blame] | 463 | goto bail0; |
| 464 | |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 465 | serio_set_drvdata(serio, dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 466 | |
| 467 | /* Get device info. MLC driver supplies devid/status/etc. */ |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 468 | init_completion(&dev->cmd_done); |
Dmitry Torokhov | dd0d544 | 2009-08-05 00:30:26 -0700 | [diff] [blame] | 469 | serio_write(serio, 0); |
| 470 | serio_write(serio, 0); |
| 471 | serio_write(serio, HIL_PKT_CMD >> 8); |
| 472 | serio_write(serio, HIL_CMD_IDD); |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 473 | error = wait_for_completion_killable(&dev->cmd_done); |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 474 | if (error) |
| 475 | goto bail1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 476 | |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 477 | init_completion(&dev->cmd_done); |
Dmitry Torokhov | dd0d544 | 2009-08-05 00:30:26 -0700 | [diff] [blame] | 478 | serio_write(serio, 0); |
| 479 | serio_write(serio, 0); |
| 480 | serio_write(serio, HIL_PKT_CMD >> 8); |
| 481 | serio_write(serio, HIL_CMD_RSC); |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 482 | error = wait_for_completion_killable(&dev->cmd_done); |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 483 | if (error) |
| 484 | goto bail1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 485 | |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 486 | init_completion(&dev->cmd_done); |
Dmitry Torokhov | dd0d544 | 2009-08-05 00:30:26 -0700 | [diff] [blame] | 487 | serio_write(serio, 0); |
| 488 | serio_write(serio, 0); |
| 489 | serio_write(serio, HIL_PKT_CMD >> 8); |
| 490 | serio_write(serio, HIL_CMD_RNM); |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 491 | error = wait_for_completion_killable(&dev->cmd_done); |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 492 | if (error) |
| 493 | goto bail1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 494 | |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 495 | init_completion(&dev->cmd_done); |
Dmitry Torokhov | dd0d544 | 2009-08-05 00:30:26 -0700 | [diff] [blame] | 496 | serio_write(serio, 0); |
| 497 | serio_write(serio, 0); |
| 498 | serio_write(serio, HIL_PKT_CMD >> 8); |
| 499 | serio_write(serio, HIL_CMD_EXD); |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 500 | error = wait_for_completion_killable(&dev->cmd_done); |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 501 | if (error) |
| 502 | goto bail1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 503 | |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 504 | did = dev->idd[0]; |
| 505 | idd = dev->idd + 1; |
Dmitry Torokhov | fa71c60 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 506 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 507 | switch (did & HIL_IDD_DID_TYPE_MASK) { |
| 508 | case HIL_IDD_DID_TYPE_KB_INTEGRAL: |
| 509 | case HIL_IDD_DID_TYPE_KB_ITF: |
| 510 | case HIL_IDD_DID_TYPE_KB_RSVD: |
| 511 | case HIL_IDD_DID_TYPE_CHAR: |
Dmitry Torokhov | fa71c60 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 512 | if (HIL_IDD_NUM_BUTTONS(idd) || |
| 513 | HIL_IDD_NUM_AXES_PER_SET(*idd)) { |
| 514 | printk(KERN_INFO PREFIX |
| 515 | "combo devices are not supported.\n"); |
| 516 | goto bail1; |
| 517 | } |
| 518 | |
| 519 | dev->is_pointer = false; |
| 520 | hil_dev_keyboard_setup(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 521 | break; |
Dmitry Torokhov | fa71c60 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 522 | |
| 523 | case HIL_IDD_DID_TYPE_REL: |
| 524 | case HIL_IDD_DID_TYPE_ABS: |
| 525 | dev->is_pointer = true; |
| 526 | hil_dev_pointer_setup(dev); |
| 527 | break; |
| 528 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 529 | default: |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 530 | goto bail1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 531 | } |
| 532 | |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 533 | input_dev->id.bustype = BUS_HIL; |
| 534 | input_dev->id.vendor = PCI_VENDOR_ID_HP; |
| 535 | input_dev->id.product = 0x0001; /* TODO: get from kbd->rsc */ |
| 536 | input_dev->id.version = 0x0100; /* TODO: get from kbd->rsc */ |
| 537 | input_dev->dev.parent = &serio->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 538 | |
Dmitry Torokhov | fa71c60 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 539 | if (!dev->is_pointer) { |
| 540 | serio_write(serio, 0); |
| 541 | serio_write(serio, 0); |
| 542 | serio_write(serio, HIL_PKT_CMD >> 8); |
| 543 | /* Enable Keyswitch Autorepeat 1 */ |
| 544 | serio_write(serio, HIL_CMD_EK1); |
| 545 | /* No need to wait for completion */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 546 | } |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 547 | |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 548 | error = input_register_device(input_dev); |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 549 | if (error) |
| 550 | goto bail1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 551 | |
Matthew Wilcox | 6ab0f5c | 2005-10-21 22:58:51 -0400 | [diff] [blame] | 552 | return 0; |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 553 | |
| 554 | bail1: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 555 | serio_close(serio); |
Matthew Wilcox | d668da8 | 2006-04-03 13:44:17 +0000 | [diff] [blame] | 556 | serio_set_drvdata(serio, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 557 | bail0: |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 558 | input_free_device(input_dev); |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 559 | kfree(dev); |
Dmitry Torokhov | 6777f01 | 2009-08-07 23:17:46 -0700 | [diff] [blame] | 560 | return error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 561 | } |
| 562 | |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 563 | static struct serio_device_id hil_dev_ids[] = { |
Matthew Wilcox | 6ab0f5c | 2005-10-21 22:58:51 -0400 | [diff] [blame] | 564 | { |
| 565 | .type = SERIO_HIL_MLC, |
| 566 | .proto = SERIO_HIL, |
| 567 | .id = SERIO_ANY, |
| 568 | .extra = SERIO_ANY, |
| 569 | }, |
| 570 | { 0 } |
| 571 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 572 | |
Dzianis Kahanovich | 05e93a7 | 2010-09-29 18:38:10 -0700 | [diff] [blame^] | 573 | MODULE_DEVICE_TABLE(serio, hil_dev_ids); |
| 574 | |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 575 | static struct serio_driver hil_serio_drv = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 576 | .driver = { |
Dmitry Torokhov | fa71c60 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 577 | .name = "hil_dev", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 578 | }, |
Dmitry Torokhov | fa71c60 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 579 | .description = "HP HIL keyboard/mouse/tablet driver", |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 580 | .id_table = hil_dev_ids, |
| 581 | .connect = hil_dev_connect, |
| 582 | .disconnect = hil_dev_disconnect, |
| 583 | .interrupt = hil_dev_interrupt |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 584 | }; |
| 585 | |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 586 | static int __init hil_dev_init(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 587 | { |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 588 | return serio_register_driver(&hil_serio_drv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 589 | } |
Helge Deller | ffd51f4 | 2007-02-28 23:51:29 -0500 | [diff] [blame] | 590 | |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 591 | static void __exit hil_dev_exit(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 592 | { |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 593 | serio_unregister_driver(&hil_serio_drv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 594 | } |
Helge Deller | ffd51f4 | 2007-02-28 23:51:29 -0500 | [diff] [blame] | 595 | |
Dmitry Torokhov | 1437dc3 | 2009-08-07 23:17:47 -0700 | [diff] [blame] | 596 | module_init(hil_dev_init); |
| 597 | module_exit(hil_dev_exit); |