mirror of
https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git
synced 2026-10-28 10:41:38 -04:00
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input subsystem updates from Dmitry Torokhov: "A fix for MT breakage, enhancement to Elantech PS/2 driver and a couple of assorted fixes" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: elantech - add support for trackpoint found on some v3 models Input: elantech - reset the device when elantech probe fails Input: ALPS - suppress message about 'Unknown touchpad' Input: fix used slots detection breakage Input: sparc - i8042-sparcio.h: fix unused kbd_res warning Input: atmel_mxt_ts - improve description of gpio-keymap property
This commit is contained in:
Linus Torvalds
commit
44bf091f50
6 changed files with 164 additions and 24 deletions
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@ -236,6 +236,18 @@ void input_mt_report_pointer_emulation(struct input_dev *dev, bool use_count)
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}
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EXPORT_SYMBOL(input_mt_report_pointer_emulation);
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static void __input_mt_drop_unused(struct input_dev *dev, struct input_mt *mt)
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{
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int i;
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for (i = 0; i < mt->num_slots; i++) {
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if (!input_mt_is_used(mt, &mt->slots[i])) {
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input_mt_slot(dev, i);
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input_event(dev, EV_ABS, ABS_MT_TRACKING_ID, -1);
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}
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}
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}
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/**
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* input_mt_drop_unused() - Inactivate slots not seen in this frame
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* @dev: input device with allocated MT slots
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@ -245,19 +257,11 @@ EXPORT_SYMBOL(input_mt_report_pointer_emulation);
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void input_mt_drop_unused(struct input_dev *dev)
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{
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struct input_mt *mt = dev->mt;
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int i;
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if (!mt)
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return;
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for (i = 0; i < mt->num_slots; i++) {
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if (!input_mt_is_used(mt, &mt->slots[i])) {
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input_mt_slot(dev, i);
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input_event(dev, EV_ABS, ABS_MT_TRACKING_ID, -1);
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}
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if (mt) {
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__input_mt_drop_unused(dev, mt);
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mt->frame++;
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}
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mt->frame++;
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}
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EXPORT_SYMBOL(input_mt_drop_unused);
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@ -278,12 +282,14 @@ void input_mt_sync_frame(struct input_dev *dev)
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return;
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if (mt->flags & INPUT_MT_DROP_UNUSED)
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input_mt_drop_unused(dev);
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__input_mt_drop_unused(dev, mt);
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if ((mt->flags & INPUT_MT_POINTER) && !(mt->flags & INPUT_MT_SEMI_MT))
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use_count = true;
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input_mt_report_pointer_emulation(dev, use_count);
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mt->frame++;
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}
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EXPORT_SYMBOL(input_mt_sync_frame);
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@ -2234,8 +2234,8 @@ static int alps_identify(struct psmouse *psmouse, struct alps_data *priv)
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return 0;
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}
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psmouse_info(psmouse,
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"Unknown ALPS touchpad: E7=%3ph, EC=%3ph\n", e7, ec);
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psmouse_dbg(psmouse,
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"Likely not an ALPS touchpad: E7=%3ph, EC=%3ph\n", e7, ec);
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return -EINVAL;
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}
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@ -18,6 +18,7 @@
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#include <linux/input/mt.h>
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#include <linux/serio.h>
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#include <linux/libps2.h>
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#include <asm/unaligned.h>
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#include "psmouse.h"
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#include "elantech.h"
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@ -403,6 +404,68 @@ static void elantech_report_absolute_v2(struct psmouse *psmouse)
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input_sync(dev);
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}
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static void elantech_report_trackpoint(struct psmouse *psmouse,
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int packet_type)
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{
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/*
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* byte 0: 0 0 sx sy 0 M R L
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* byte 1:~sx 0 0 0 0 0 0 0
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* byte 2:~sy 0 0 0 0 0 0 0
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* byte 3: 0 0 ~sy ~sx 0 1 1 0
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* byte 4: x7 x6 x5 x4 x3 x2 x1 x0
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* byte 5: y7 y6 y5 y4 y3 y2 y1 y0
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*
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* x and y are written in two's complement spread
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* over 9 bits with sx/sy the relative top bit and
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* x7..x0 and y7..y0 the lower bits.
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* The sign of y is opposite to what the input driver
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* expects for a relative movement
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*/
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struct elantech_data *etd = psmouse->private;
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struct input_dev *tp_dev = etd->tp_dev;
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unsigned char *packet = psmouse->packet;
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int x, y;
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u32 t;
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if (dev_WARN_ONCE(&psmouse->ps2dev.serio->dev,
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!tp_dev,
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psmouse_fmt("Unexpected trackpoint message\n"))) {
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if (etd->debug == 1)
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elantech_packet_dump(psmouse);
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return;
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}
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t = get_unaligned_le32(&packet[0]);
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switch (t & ~7U) {
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case 0x06000030U:
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case 0x16008020U:
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case 0x26800010U:
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case 0x36808000U:
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x = packet[4] - (int)((packet[1]^0x80) << 1);
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y = (int)((packet[2]^0x80) << 1) - packet[5];
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input_report_key(tp_dev, BTN_LEFT, packet[0] & 0x01);
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input_report_key(tp_dev, BTN_RIGHT, packet[0] & 0x02);
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input_report_key(tp_dev, BTN_MIDDLE, packet[0] & 0x04);
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input_report_rel(tp_dev, REL_X, x);
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input_report_rel(tp_dev, REL_Y, y);
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input_sync(tp_dev);
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break;
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default:
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/* Dump unexpected packet sequences if debug=1 (default) */
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if (etd->debug == 1)
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elantech_packet_dump(psmouse);
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break;
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}
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}
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/*
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* Interpret complete data packets and report absolute mode input events for
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* hardware version 3. (12 byte packets for two fingers)
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@ -715,6 +778,8 @@ static int elantech_packet_check_v3(struct psmouse *psmouse)
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if ((packet[0] & 0x0c) == 0x0c && (packet[3] & 0xce) == 0x0c)
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return PACKET_V3_TAIL;
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if ((packet[3] & 0x0f) == 0x06)
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return PACKET_TRACKPOINT;
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}
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return PACKET_UNKNOWN;
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@ -791,14 +856,23 @@ static psmouse_ret_t elantech_process_byte(struct psmouse *psmouse)
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case 3:
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packet_type = elantech_packet_check_v3(psmouse);
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/* ignore debounce */
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if (packet_type == PACKET_DEBOUNCE)
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return PSMOUSE_FULL_PACKET;
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if (packet_type == PACKET_UNKNOWN)
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switch (packet_type) {
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case PACKET_UNKNOWN:
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return PSMOUSE_BAD_DATA;
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elantech_report_absolute_v3(psmouse, packet_type);
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case PACKET_DEBOUNCE:
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/* ignore debounce */
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break;
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case PACKET_TRACKPOINT:
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elantech_report_trackpoint(psmouse, packet_type);
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break;
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default:
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elantech_report_absolute_v3(psmouse, packet_type);
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break;
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}
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break;
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case 4:
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@ -1018,8 +1092,10 @@ static int elantech_get_resolution_v4(struct psmouse *psmouse,
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* Asus UX31 0x361f00 20, 15, 0e clickpad
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* Asus UX32VD 0x361f02 00, 15, 0e clickpad
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* Avatar AVIU-145A2 0x361f00 ? clickpad
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* Fujitsu H730 0x570f00 c0, 14, 0c 3 hw buttons (**)
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* Gigabyte U2442 0x450f01 58, 17, 0c 2 hw buttons
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* Lenovo L430 0x350f02 b9, 15, 0c 2 hw buttons (*)
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* Lenovo L530 0x350f02 b9, 15, 0c 2 hw buttons (*)
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* Samsung NF210 0x150b00 78, 14, 0a 2 hw buttons
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* Samsung NP770Z5E 0x575f01 10, 15, 0f clickpad
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* Samsung NP700Z5B 0x361f06 21, 15, 0f clickpad
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@ -1029,6 +1105,8 @@ static int elantech_get_resolution_v4(struct psmouse *psmouse,
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* Samsung RF710 0x450f00 ? 2 hw buttons
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* System76 Pangolin 0x250f01 ? 2 hw buttons
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* (*) + 3 trackpoint buttons
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* (**) + 0 trackpoint buttons
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* Note: Lenovo L430 and Lenovo L430 have the same fw_version/caps
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*/
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static void elantech_set_buttonpad_prop(struct psmouse *psmouse)
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{
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@ -1324,6 +1402,10 @@ int elantech_detect(struct psmouse *psmouse, bool set_properties)
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*/
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static void elantech_disconnect(struct psmouse *psmouse)
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{
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struct elantech_data *etd = psmouse->private;
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if (etd->tp_dev)
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input_unregister_device(etd->tp_dev);
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sysfs_remove_group(&psmouse->ps2dev.serio->dev.kobj,
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&elantech_attr_group);
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kfree(psmouse->private);
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@ -1438,8 +1520,10 @@ static int elantech_set_properties(struct elantech_data *etd)
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int elantech_init(struct psmouse *psmouse)
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{
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struct elantech_data *etd;
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int i, error;
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int i;
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int error = -EINVAL;
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unsigned char param[3];
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struct input_dev *tp_dev;
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psmouse->private = etd = kzalloc(sizeof(struct elantech_data), GFP_KERNEL);
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if (!etd)
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@ -1498,14 +1582,49 @@ int elantech_init(struct psmouse *psmouse)
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goto init_fail;
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}
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/* The MSB indicates the presence of the trackpoint */
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if ((etd->capabilities[0] & 0x80) == 0x80) {
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tp_dev = input_allocate_device();
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if (!tp_dev) {
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error = -ENOMEM;
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goto init_fail_tp_alloc;
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}
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etd->tp_dev = tp_dev;
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snprintf(etd->tp_phys, sizeof(etd->tp_phys), "%s/input1",
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psmouse->ps2dev.serio->phys);
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tp_dev->phys = etd->tp_phys;
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tp_dev->name = "Elantech PS/2 TrackPoint";
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tp_dev->id.bustype = BUS_I8042;
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tp_dev->id.vendor = 0x0002;
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tp_dev->id.product = PSMOUSE_ELANTECH;
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tp_dev->id.version = 0x0000;
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tp_dev->dev.parent = &psmouse->ps2dev.serio->dev;
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tp_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
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tp_dev->relbit[BIT_WORD(REL_X)] =
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BIT_MASK(REL_X) | BIT_MASK(REL_Y);
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tp_dev->keybit[BIT_WORD(BTN_LEFT)] =
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BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_MIDDLE) |
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BIT_MASK(BTN_RIGHT);
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error = input_register_device(etd->tp_dev);
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if (error < 0)
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goto init_fail_tp_reg;
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}
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psmouse->protocol_handler = elantech_process_byte;
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psmouse->disconnect = elantech_disconnect;
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psmouse->reconnect = elantech_reconnect;
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psmouse->pktsize = etd->hw_version > 1 ? 6 : 4;
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return 0;
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init_fail_tp_reg:
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input_free_device(tp_dev);
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init_fail_tp_alloc:
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sysfs_remove_group(&psmouse->ps2dev.serio->dev.kobj,
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&elantech_attr_group);
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init_fail:
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psmouse_reset(psmouse);
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kfree(etd);
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return -1;
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return error;
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}
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@ -94,6 +94,7 @@
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#define PACKET_V4_HEAD 0x05
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#define PACKET_V4_MOTION 0x06
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#define PACKET_V4_STATUS 0x07
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#define PACKET_TRACKPOINT 0x08
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/*
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* track up to 5 fingers for v4 hardware
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@ -114,6 +115,8 @@ struct finger_pos {
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};
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struct elantech_data {
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struct input_dev *tp_dev; /* Relative device for trackpoint */
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char tp_phys[32];
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unsigned char reg_07;
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unsigned char reg_10;
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unsigned char reg_11;
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@ -17,7 +17,6 @@ static int i8042_aux_irq = -1;
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#define I8042_MUX_PHYS_DESC "sparcps2/serio%d"
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static void __iomem *kbd_iobase;
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static struct resource *kbd_res;
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#define I8042_COMMAND_REG (kbd_iobase + 0x64UL)
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#define I8042_DATA_REG (kbd_iobase + 0x60UL)
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@ -44,6 +43,8 @@ static inline void i8042_write_command(int val)
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#ifdef CONFIG_PCI
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static struct resource *kbd_res;
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#define OBP_PS2KBD_NAME1 "kb_ps2"
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#define OBP_PS2KBD_NAME2 "keyboard"
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#define OBP_PS2MS_NAME1 "kdmouse"
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