[kernel/f18] Backport driver for Cypress PS/2 trackpad (rhbz 799564)
Josh Boyer
jwboyer at fedoraproject.org
Tue Jan 29 13:50:44 UTC 2013
commit 07ef26cdeb716c5488c412624d9c8fe9b88e7de8
Author: Josh Boyer <jwboyer at redhat.com>
Date: Tue Jan 29 08:41:36 2013 -0500
Backport driver for Cypress PS/2 trackpad (rhbz 799564)
Input-add-support-for-Cypress-PS2-Trackpads.patch | 1063 ++++++++++++++++++++
...-increase-struct-ps2dev-cmdbuf-to-8-bytes.patch | 30 +
kernel.spec | 13 +-
3 files changed, 1105 insertions(+), 1 deletions(-)
---
diff --git a/Input-add-support-for-Cypress-PS2-Trackpads.patch b/Input-add-support-for-Cypress-PS2-Trackpads.patch
new file mode 100644
index 0000000..8c5e569
--- /dev/null
+++ b/Input-add-support-for-Cypress-PS2-Trackpads.patch
@@ -0,0 +1,1063 @@
+From 0799a924bc93ba46a23e8e7e6b1431ab585fd2ea Mon Sep 17 00:00:00 2001
+From: Dudley Du <dudl at cypress.com>
+Date: Sat, 5 Jan 2013 00:14:22 -0800
+Subject: [PATCH] Input: add support for Cypress PS/2 Trackpads
+
+This driver, submitted on behalf of Cypress Semiconductor Corporation and
+additional contributors, provides support for the Cypress PS/2 Trackpad.
+
+Original code contributed by Dudley Du (Cypress Semiconductor Corporation),
+modified by Kamal Mostafa and Kyle Fazzari.
+
+BugLink: http://launchpad.net/bugs/978807
+
+Signed-off-by: Dudley Du <dudl at cypress.com>
+Signed-off-by: Kamal Mostafa <kamal at canonical.com>
+Signed-off-by: Kyle Fazzari <git at status.e4ward.com>
+Signed-off-by: Mario Limonciello <mario_limonciello at dell.com>
+Signed-off-by: Tim Gardner <tim.gardner at canonical.com>
+Acked-by: Herton Krzesinski <herton.krzesinski at canonical.com>
+Reviewed-by: Henrik Rydberg <rydberg at euromail.se>
+Reviewed-by: Dudley Du <dudl at cypress.com>
+Signed-off-by: Dmitry Torokhov <dmitry.torokhov at gmail.com>
+---
+ drivers/input/mouse/Kconfig | 10 +
+ drivers/input/mouse/Makefile | 1 +
+ drivers/input/mouse/cypress_ps2.c | 725 ++++++++++++++++++++++++++++++++++++
+ drivers/input/mouse/cypress_ps2.h | 191 ++++++++++
+ drivers/input/mouse/psmouse-base.c | 32 ++
+ drivers/input/mouse/psmouse.h | 1 +
+ 6 files changed, 960 insertions(+), 0 deletions(-)
+ create mode 100644 drivers/input/mouse/cypress_ps2.c
+ create mode 100644 drivers/input/mouse/cypress_ps2.h
+
+diff --git a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig
+index cd6268c..88954dd 100644
+--- a/drivers/input/mouse/Kconfig
++++ b/drivers/input/mouse/Kconfig
+@@ -68,6 +68,16 @@ config MOUSE_PS2_SYNAPTICS
+
+ If unsure, say Y.
+
++config MOUSE_PS2_CYPRESS
++ bool "Cypress PS/2 mouse protocol extension" if EXPERT
++ default y
++ depends on MOUSE_PS2
++ help
++ Say Y here if you have a Cypress PS/2 Trackpad connected to
++ your system.
++
++ If unsure, say Y.
++
+ config MOUSE_PS2_LIFEBOOK
+ bool "Fujitsu Lifebook PS/2 mouse protocol extension" if EXPERT
+ default y
+diff --git a/drivers/input/mouse/Makefile b/drivers/input/mouse/Makefile
+index 46ba755..323e352 100644
+--- a/drivers/input/mouse/Makefile
++++ b/drivers/input/mouse/Makefile
+@@ -32,3 +32,4 @@ psmouse-$(CONFIG_MOUSE_PS2_LIFEBOOK) += lifebook.o
+ psmouse-$(CONFIG_MOUSE_PS2_SENTELIC) += sentelic.o
+ psmouse-$(CONFIG_MOUSE_PS2_TRACKPOINT) += trackpoint.o
+ psmouse-$(CONFIG_MOUSE_PS2_TOUCHKIT) += touchkit_ps2.o
++psmouse-$(CONFIG_MOUSE_PS2_CYPRESS) += cypress_ps2.o
+diff --git a/drivers/input/mouse/cypress_ps2.c b/drivers/input/mouse/cypress_ps2.c
+new file mode 100644
+index 0000000..1673dc6
+--- /dev/null
++++ b/drivers/input/mouse/cypress_ps2.c
+@@ -0,0 +1,725 @@
++/*
++ * Cypress Trackpad PS/2 mouse driver
++ *
++ * Copyright (c) 2012 Cypress Semiconductor Corporation.
++ *
++ * Author:
++ * Dudley Du <dudl at cypress.com>
++ *
++ * Additional contributors include:
++ * Kamal Mostafa <kamal at canonical.com>
++ * Kyle Fazzari <git at status.e4ward.com>
++ *
++ * This program is free software; you can redistribute it and/or modify it
++ * under the terms of the GNU General Public License version 2 as published by
++ * the Free Software Foundation.
++ */
++
++#include <linux/init.h>
++#include <linux/module.h>
++#include <linux/kernel.h>
++#include <linux/slab.h>
++#include <linux/serio.h>
++#include <linux/libps2.h>
++#include <linux/input.h>
++#include <linux/input/mt.h>
++#include <linux/sched.h>
++#include <linux/wait.h>
++
++#include "cypress_ps2.h"
++
++#undef CYTP_DEBUG_VERBOSE /* define this and DEBUG for more verbose dump */
++
++static void cypress_set_packet_size(struct psmouse *psmouse, unsigned int n)
++{
++ struct cytp_data *cytp = psmouse->private;
++ cytp->pkt_size = n;
++}
++
++static const unsigned char cytp_rate[] = {10, 20, 40, 60, 100, 200};
++static const unsigned char cytp_resolution[] = {0x00, 0x01, 0x02, 0x03};
++
++static int cypress_ps2_sendbyte(struct psmouse *psmouse, int value)
++{
++ struct ps2dev *ps2dev = &psmouse->ps2dev;
++
++ if (ps2_sendbyte(ps2dev, value & 0xff, CYTP_CMD_TIMEOUT) < 0) {
++ psmouse_dbg(psmouse,
++ "sending command 0x%02x failed, resp 0x%02x\n",
++ value & 0xff, ps2dev->nak);
++ if (ps2dev->nak == CYTP_PS2_RETRY)
++ return CYTP_PS2_RETRY;
++ else
++ return CYTP_PS2_ERROR;
++ }
++
++#ifdef CYTP_DEBUG_VERBOSE
++ psmouse_dbg(psmouse, "sending command 0x%02x succeeded, resp 0xfa\n",
++ value & 0xff);
++#endif
++
++ return 0;
++}
++
++static int cypress_ps2_ext_cmd(struct psmouse *psmouse, unsigned short cmd,
++ unsigned char data)
++{
++ struct ps2dev *ps2dev = &psmouse->ps2dev;
++ int tries = CYTP_PS2_CMD_TRIES;
++ int rc;
++
++ ps2_begin_command(ps2dev);
++
++ do {
++ /*
++ * Send extension command byte (0xE8 or 0xF3).
++ * If sending the command fails, send recovery command
++ * to make the device return to the ready state.
++ */
++ rc = cypress_ps2_sendbyte(psmouse, cmd & 0xff);
++ if (rc == CYTP_PS2_RETRY) {
++ rc = cypress_ps2_sendbyte(psmouse, 0x00);
++ if (rc == CYTP_PS2_RETRY)
++ rc = cypress_ps2_sendbyte(psmouse, 0x0a);
++ }
++ if (rc == CYTP_PS2_ERROR)
++ continue;
++
++ rc = cypress_ps2_sendbyte(psmouse, data);
++ if (rc == CYTP_PS2_RETRY)
++ rc = cypress_ps2_sendbyte(psmouse, data);
++ if (rc == CYTP_PS2_ERROR)
++ continue;
++ else
++ break;
++ } while (--tries > 0);
++
++ ps2_end_command(ps2dev);
++
++ return rc;
++}
++
++static int cypress_ps2_read_cmd_status(struct psmouse *psmouse,
++ unsigned char cmd,
++ unsigned char *param)
++{
++ int rc;
++ struct ps2dev *ps2dev = &psmouse->ps2dev;
++ enum psmouse_state old_state;
++ int pktsize;
++
++ ps2_begin_command(&psmouse->ps2dev);
++
++ old_state = psmouse->state;
++ psmouse->state = PSMOUSE_CMD_MODE;
++ psmouse->pktcnt = 0;
++
++ pktsize = (cmd == CYTP_CMD_READ_TP_METRICS) ? 8 : 3;
++ memset(param, 0, pktsize);
++
++ rc = cypress_ps2_sendbyte(psmouse, 0xe9);
++ if (rc < 0)
++ goto out;
++
++ wait_event_timeout(ps2dev->wait,
++ (psmouse->pktcnt >= pktsize),
++ msecs_to_jiffies(CYTP_CMD_TIMEOUT));
++
++ memcpy(param, psmouse->packet, pktsize);
++
++ psmouse_dbg(psmouse, "Command 0x%02x response data (0x): %*ph\n",
++ cmd, pktsize, param);
++
++out:
++ psmouse->state = old_state;
++ psmouse->pktcnt = 0;
++
++ ps2_end_command(&psmouse->ps2dev);
++
++ return rc;
++}
++
++static bool cypress_verify_cmd_state(struct psmouse *psmouse,
++ unsigned char cmd, unsigned char *param)
++{
++ bool rate_match = false;
++ bool resolution_match = false;
++ int i;
++
++ /* callers will do further checking. */
++ if (cmd == CYTP_CMD_READ_CYPRESS_ID ||
++ cmd == CYTP_CMD_STANDARD_MODE ||
++ cmd == CYTP_CMD_READ_TP_METRICS)
++ return true;
++
++ if ((~param[0] & DFLT_RESP_BITS_VALID) == DFLT_RESP_BITS_VALID &&
++ (param[0] & DFLT_RESP_BIT_MODE) == DFLT_RESP_STREAM_MODE) {
++ for (i = 0; i < sizeof(cytp_resolution); i++)
++ if (cytp_resolution[i] == param[1])
++ resolution_match = true;
++
++ for (i = 0; i < sizeof(cytp_rate); i++)
++ if (cytp_rate[i] == param[2])
++ rate_match = true;
++
++ if (resolution_match && rate_match)
++ return true;
++ }
++
++ psmouse_dbg(psmouse, "verify cmd state failed.\n");
++ return false;
++}
++
++static int cypress_send_ext_cmd(struct psmouse *psmouse, unsigned char cmd,
++ unsigned char *param)
++{
++ int tries = CYTP_PS2_CMD_TRIES;
++ int rc;
++
++ psmouse_dbg(psmouse, "send extension cmd 0x%02x, [%d %d %d %d]\n",
++ cmd, DECODE_CMD_AA(cmd), DECODE_CMD_BB(cmd),
++ DECODE_CMD_CC(cmd), DECODE_CMD_DD(cmd));
++
++ do {
++ cypress_ps2_ext_cmd(psmouse,
++ PSMOUSE_CMD_SETRES, DECODE_CMD_DD(cmd));
++ cypress_ps2_ext_cmd(psmouse,
++ PSMOUSE_CMD_SETRES, DECODE_CMD_CC(cmd));
++ cypress_ps2_ext_cmd(psmouse,
++ PSMOUSE_CMD_SETRES, DECODE_CMD_BB(cmd));
++ cypress_ps2_ext_cmd(psmouse,
++ PSMOUSE_CMD_SETRES, DECODE_CMD_AA(cmd));
++
++ rc = cypress_ps2_read_cmd_status(psmouse, cmd, param);
++ if (rc)
++ continue;
++
++ if (cypress_verify_cmd_state(psmouse, cmd, param))
++ return 0;
++
++ } while (--tries > 0);
++
++ return -EIO;
++}
++
++int cypress_detect(struct psmouse *psmouse, bool set_properties)
++{
++ unsigned char param[3];
++
++ if (cypress_send_ext_cmd(psmouse, CYTP_CMD_READ_CYPRESS_ID, param))
++ return -ENODEV;
++
++ /* Check for Cypress Trackpad signature bytes: 0x33 0xCC */
++ if (param[0] != 0x33 || param[1] != 0xCC)
++ return -ENODEV;
++
++ if (set_properties) {
++ psmouse->vendor = "Cypress";
++ psmouse->name = "Trackpad";
++ }
++
++ return 0;
++}
++
++static int cypress_read_fw_version(struct psmouse *psmouse)
++{
++ struct cytp_data *cytp = psmouse->private;
++ unsigned char param[3];
++
++ if (cypress_send_ext_cmd(psmouse, CYTP_CMD_READ_CYPRESS_ID, param))
++ return -ENODEV;
++
++ /* Check for Cypress Trackpad signature bytes: 0x33 0xCC */
++ if (param[0] != 0x33 || param[1] != 0xCC)
++ return -ENODEV;
++
++ cytp->fw_version = param[2] & FW_VERSION_MASX;
++ cytp->tp_metrics_supported = (param[2] & TP_METRICS_MASK) ? 1 : 0;
++
++ psmouse_dbg(psmouse, "cytp->fw_version = %d\n", cytp->fw_version);
++ psmouse_dbg(psmouse, "cytp->tp_metrics_supported = %d\n",
++ cytp->tp_metrics_supported);
++
++ return 0;
++}
++
++static int cypress_read_tp_metrics(struct psmouse *psmouse)
++{
++ struct cytp_data *cytp = psmouse->private;
++ unsigned char param[8];
++
++ /* set default values for tp metrics. */
++ cytp->tp_width = CYTP_DEFAULT_WIDTH;
++ cytp->tp_high = CYTP_DEFAULT_HIGH;
++ cytp->tp_max_abs_x = CYTP_ABS_MAX_X;
++ cytp->tp_max_abs_y = CYTP_ABS_MAX_Y;
++ cytp->tp_min_pressure = CYTP_MIN_PRESSURE;
++ cytp->tp_max_pressure = CYTP_MAX_PRESSURE;
++ cytp->tp_res_x = cytp->tp_max_abs_x / cytp->tp_width;
++ cytp->tp_res_y = cytp->tp_max_abs_y / cytp->tp_high;
++
++ memset(param, 0, sizeof(param));
++ if (cypress_send_ext_cmd(psmouse, CYTP_CMD_READ_TP_METRICS, param) == 0) {
++ /* Update trackpad parameters. */
++ cytp->tp_max_abs_x = (param[1] << 8) | param[0];
++ cytp->tp_max_abs_y = (param[3] << 8) | param[2];
++ cytp->tp_min_pressure = param[4];
++ cytp->tp_max_pressure = param[5];
++ }
++
++ if (!cytp->tp_max_pressure ||
++ cytp->tp_max_pressure < cytp->tp_min_pressure ||
++ !cytp->tp_width || !cytp->tp_high ||
++ !cytp->tp_max_abs_x ||
++ cytp->tp_max_abs_x < cytp->tp_width ||
++ !cytp->tp_max_abs_y ||
++ cytp->tp_max_abs_y < cytp->tp_high)
++ return -EINVAL;
++
++ cytp->tp_res_x = cytp->tp_max_abs_x / cytp->tp_width;
++ cytp->tp_res_y = cytp->tp_max_abs_y / cytp->tp_high;
++
++#ifdef CYTP_DEBUG_VERBOSE
++ psmouse_dbg(psmouse, "Dump trackpad hardware configuration as below:\n");
++ psmouse_dbg(psmouse, "cytp->tp_width = %d\n", cytp->tp_width);
++ psmouse_dbg(psmouse, "cytp->tp_high = %d\n", cytp->tp_high);
++ psmouse_dbg(psmouse, "cytp->tp_max_abs_x = %d\n", cytp->tp_max_abs_x);
++ psmouse_dbg(psmouse, "cytp->tp_max_abs_y = %d\n", cytp->tp_max_abs_y);
++ psmouse_dbg(psmouse, "cytp->tp_min_pressure = %d\n", cytp->tp_min_pressure);
++ psmouse_dbg(psmouse, "cytp->tp_max_pressure = %d\n", cytp->tp_max_pressure);
++ psmouse_dbg(psmouse, "cytp->tp_res_x = %d\n", cytp->tp_res_x);
++ psmouse_dbg(psmouse, "cytp->tp_res_y = %d\n", cytp->tp_res_y);
++
++ psmouse_dbg(psmouse, "tp_type_APA = %d\n",
++ (param[6] & TP_METRICS_BIT_APA) ? 1 : 0);
++ psmouse_dbg(psmouse, "tp_type_MTG = %d\n",
++ (param[6] & TP_METRICS_BIT_MTG) ? 1 : 0);
++ psmouse_dbg(psmouse, "tp_palm = %d\n",
++ (param[6] & TP_METRICS_BIT_PALM) ? 1 : 0);
++ psmouse_dbg(psmouse, "tp_stubborn = %d\n",
++ (param[6] & TP_METRICS_BIT_STUBBORN) ? 1 : 0);
++ psmouse_dbg(psmouse, "tp_1f_jitter = %d\n",
++ (param[6] & TP_METRICS_BIT_1F_JITTER) >> 2);
++ psmouse_dbg(psmouse, "tp_2f_jitter = %d\n",
++ (param[6] & TP_METRICS_BIT_2F_JITTER) >> 4);
++ psmouse_dbg(psmouse, "tp_1f_spike = %d\n",
++ param[7] & TP_METRICS_BIT_1F_SPIKE);
++ psmouse_dbg(psmouse, "tp_2f_spike = %d\n",
++ (param[7] & TP_METRICS_BIT_2F_SPIKE) >> 2);
++ psmouse_dbg(psmouse, "tp_abs_packet_format_set = %d\n",
++ (param[7] & TP_METRICS_BIT_ABS_PKT_FORMAT_SET) >> 4);
++#endif
++
++ return 0;
++}
++
++static int cypress_query_hardware(struct psmouse *psmouse)
++{
++ struct cytp_data *cytp = psmouse->private;
++ int ret;
++
++ ret = cypress_read_fw_version(psmouse);
++ if (ret)
++ return ret;
++
++ if (cytp->tp_metrics_supported) {
++ ret = cypress_read_tp_metrics(psmouse);
++ if (ret)
++ return ret;
++ }
++
++ return 0;
++}
++
++static int cypress_set_absolute_mode(struct psmouse *psmouse)
++{
++ struct cytp_data *cytp = psmouse->private;
++ unsigned char param[3];
++
++ if (cypress_send_ext_cmd(psmouse, CYTP_CMD_ABS_WITH_PRESSURE_MODE, param) < 0)
++ return -1;
++
++ cytp->mode = (cytp->mode & ~CYTP_BIT_ABS_REL_MASK)
++ | CYTP_BIT_ABS_PRESSURE;
++ cypress_set_packet_size(psmouse, 5);
++
++ return 0;
++}
++
++/*
++ * Reset trackpad device.
++ * This is also the default mode when trackpad powered on.
++ */
++static void cypress_reset(struct psmouse *psmouse)
++{
++ struct cytp_data *cytp = psmouse->private;
++
++ cytp->mode = 0;
++
++ psmouse_reset(psmouse);
++}
++
++static int cypress_set_input_params(struct input_dev *input,
++ struct cytp_data *cytp)
++{
++ int ret;
++
++ if (!cytp->tp_res_x || !cytp->tp_res_y)
++ return -EINVAL;
++
++ __set_bit(EV_ABS, input->evbit);
++ input_set_abs_params(input, ABS_X, 0, cytp->tp_max_abs_x, 0, 0);
++ input_set_abs_params(input, ABS_Y, 0, cytp->tp_max_abs_y, 0, 0);
++ input_set_abs_params(input, ABS_PRESSURE,
++ cytp->tp_min_pressure, cytp->tp_max_pressure, 0, 0);
++ input_set_abs_params(input, ABS_TOOL_WIDTH, 0, 255, 0, 0);
++
++ /* finger position */
++ input_set_abs_params(input, ABS_MT_POSITION_X, 0, cytp->tp_max_abs_x, 0, 0);
++ input_set_abs_params(input, ABS_MT_POSITION_Y, 0, cytp->tp_max_abs_y, 0, 0);
++ input_set_abs_params(input, ABS_MT_PRESSURE, 0, 255, 0, 0);
++
++ ret = input_mt_init_slots(input, CYTP_MAX_MT_SLOTS,
++ INPUT_MT_DROP_UNUSED|INPUT_MT_TRACK);
++ if (ret < 0)
++ return ret;
++
++ __set_bit(INPUT_PROP_SEMI_MT, input->propbit);
++
++ input_abs_set_res(input, ABS_X, cytp->tp_res_x);
++ input_abs_set_res(input, ABS_Y, cytp->tp_res_y);
++
++ input_abs_set_res(input, ABS_MT_POSITION_X, cytp->tp_res_x);
++ input_abs_set_res(input, ABS_MT_POSITION_Y, cytp->tp_res_y);
++
++ __set_bit(BTN_TOUCH, input->keybit);
++ __set_bit(BTN_TOOL_FINGER, input->keybit);
++ __set_bit(BTN_TOOL_DOUBLETAP, input->keybit);
++ __set_bit(BTN_TOOL_TRIPLETAP, input->keybit);
++ __set_bit(BTN_TOOL_QUADTAP, input->keybit);
++ __set_bit(BTN_TOOL_QUINTTAP, input->keybit);
++
++ __clear_bit(EV_REL, input->evbit);
++ __clear_bit(REL_X, input->relbit);
++ __clear_bit(REL_Y, input->relbit);
++
++ __set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
++ __set_bit(EV_KEY, input->evbit);
++ __set_bit(BTN_LEFT, input->keybit);
++ __set_bit(BTN_RIGHT, input->keybit);
++ __set_bit(BTN_MIDDLE, input->keybit);
++
++ input_set_drvdata(input, cytp);
++
++ return 0;
++}
++
++static int cypress_get_finger_count(unsigned char header_byte)
++{
++ unsigned char bits6_7;
++ int finger_count;
++
++ bits6_7 = header_byte >> 6;
++ finger_count = bits6_7 & 0x03;
++
++ if (finger_count == 1)
++ return 1;
++
++ if (header_byte & ABS_HSCROLL_BIT) {
++ /* HSCROLL gets added on to 0 finger count. */
++ switch (finger_count) {
++ case 0: return 4;
++ case 2: return 5;
++ default:
++ /* Invalid contact (e.g. palm). Ignore it. */
++ return -1;
++ }
++ }
++
++ return finger_count;
++}
++
++
++static int cypress_parse_packet(struct psmouse *psmouse,
++ struct cytp_data *cytp, struct cytp_report_data *report_data)
++{
++ unsigned char *packet = psmouse->packet;
++ unsigned char header_byte = packet[0];
++ int contact_cnt;
++
++ memset(report_data, 0, sizeof(struct cytp_report_data));
++
++ contact_cnt = cypress_get_finger_count(header_byte);
++
++ if (contact_cnt < 0) /* e.g. palm detect */
++ return -EINVAL;
++
++ report_data->contact_cnt = contact_cnt;
++
++ report_data->tap = (header_byte & ABS_MULTIFINGER_TAP) ? 1 : 0;
++
++ if (report_data->contact_cnt == 1) {
++ report_data->contacts[0].x =
++ ((packet[1] & 0x70) << 4) | packet[2];
++ report_data->contacts[0].y =
++ ((packet[1] & 0x07) << 8) | packet[3];
++ if (cytp->mode & CYTP_BIT_ABS_PRESSURE)
++ report_data->contacts[0].z = packet[4];
++
++ } else if (report_data->contact_cnt >= 2) {
++ report_data->contacts[0].x =
++ ((packet[1] & 0x70) << 4) | packet[2];
++ report_data->contacts[0].y =
++ ((packet[1] & 0x07) << 8) | packet[3];
++ if (cytp->mode & CYTP_BIT_ABS_PRESSURE)
++ report_data->contacts[0].z = packet[4];
++
++ report_data->contacts[1].x =
++ ((packet[5] & 0xf0) << 4) | packet[6];
++ report_data->contacts[1].y =
++ ((packet[5] & 0x0f) << 8) | packet[7];
++ if (cytp->mode & CYTP_BIT_ABS_PRESSURE)
++ report_data->contacts[1].z = report_data->contacts[0].z;
++ }
++
++ report_data->left = (header_byte & BTN_LEFT_BIT) ? 1 : 0;
++ report_data->right = (header_byte & BTN_RIGHT_BIT) ? 1 : 0;
++
++ /*
++ * This is only true if one of the mouse buttons were tapped. Make
++ * sure it doesn't turn into a click. The regular tap-to-click
++ * functionality will handle that on its own. If we don't do this,
++ * disabling tap-to-click won't affect the mouse button zones.
++ */
++ if (report_data->tap)
++ report_data->left = 0;
++
++#ifdef CYTP_DEBUG_VERBOSE
++ {
++ int i;
++ int n = report_data->contact_cnt;
++ psmouse_dbg(psmouse, "Dump parsed report data as below:\n");
++ psmouse_dbg(psmouse, "contact_cnt = %d\n",
++ report_data->contact_cnt);
++ if (n > CYTP_MAX_MT_SLOTS)
++ n = CYTP_MAX_MT_SLOTS;
++ for (i = 0; i < n; i++)
++ psmouse_dbg(psmouse, "contacts[%d] = {%d, %d, %d}\n", i,
++ report_data->contacts[i].x,
++ report_data->contacts[i].y,
++ report_data->contacts[i].z);
++ psmouse_dbg(psmouse, "left = %d\n", report_data->left);
++ psmouse_dbg(psmouse, "right = %d\n", report_data->right);
++ psmouse_dbg(psmouse, "middle = %d\n", report_data->middle);
++ }
++#endif
++
++ return 0;
++}
++
++static void cypress_process_packet(struct psmouse *psmouse, bool zero_pkt)
++{
++ int i;
++ struct input_dev *input = psmouse->dev;
++ struct cytp_data *cytp = psmouse->private;
++ struct cytp_report_data report_data;
++ struct cytp_contact *contact;
++ struct input_mt_pos pos[CYTP_MAX_MT_SLOTS];
++ int slots[CYTP_MAX_MT_SLOTS];
++ int n;
++
++ if (cypress_parse_packet(psmouse, cytp, &report_data))
++ return;
++
++ n = report_data.contact_cnt;
++
++ if (n > CYTP_MAX_MT_SLOTS)
++ n = CYTP_MAX_MT_SLOTS;
++
++ for (i = 0; i < n; i++) {
++ contact = &report_data.contacts[i];
++ pos[i].x = contact->x;
++ pos[i].y = contact->y;
++ }
++
++ input_mt_assign_slots(input, slots, pos, n);
++
++ for (i = 0; i < n; i++) {
++ contact = &report_data.contacts[i];
++ input_mt_slot(input, slots[i]);
++ input_mt_report_slot_state(input, MT_TOOL_FINGER, true);
++ input_report_abs(input, ABS_MT_POSITION_X, contact->x);
++ input_report_abs(input, ABS_MT_POSITION_Y, contact->y);
++ input_report_abs(input, ABS_MT_PRESSURE, contact->z);
++ }
++
++ input_mt_sync_frame(input);
++
++ input_mt_report_finger_count(input, report_data.contact_cnt);
++
++ input_report_key(input, BTN_LEFT, report_data.left);
++ input_report_key(input, BTN_RIGHT, report_data.right);
++ input_report_key(input, BTN_MIDDLE, report_data.middle);
++
++ input_sync(input);
++}
++
++static psmouse_ret_t cypress_validate_byte(struct psmouse *psmouse)
++{
++ int contact_cnt;
++ int index = psmouse->pktcnt - 1;
++ unsigned char *packet = psmouse->packet;
++ struct cytp_data *cytp = psmouse->private;
++
++ if (index < 0 || index > cytp->pkt_size)
++ return PSMOUSE_BAD_DATA;
++
++ if (index == 0 && (packet[0] & 0xfc) == 0) {
++ /* call packet process for reporting finger leave. */
++ cypress_process_packet(psmouse, 1);
++ return PSMOUSE_FULL_PACKET;
++ }
++
++ /*
++ * Perform validation (and adjust packet size) based only on the
++ * first byte; allow all further bytes through.
++ */
++ if (index != 0)
++ return PSMOUSE_GOOD_DATA;
++
++ /*
++ * If absolute/relative mode bit has not been set yet, just pass
++ * the byte through.
++ */
++ if ((cytp->mode & CYTP_BIT_ABS_REL_MASK) == 0)
++ return PSMOUSE_GOOD_DATA;
++
++ if ((packet[0] & 0x08) == 0x08)
++ return PSMOUSE_BAD_DATA;
++
++ contact_cnt = cypress_get_finger_count(packet[0]);
++
++ if (contact_cnt < 0)
++ return PSMOUSE_BAD_DATA;
++
++ if (cytp->mode & CYTP_BIT_ABS_NO_PRESSURE)
++ cypress_set_packet_size(psmouse, contact_cnt == 2 ? 7 : 4);
++ else
++ cypress_set_packet_size(psmouse, contact_cnt == 2 ? 8 : 5);
++
++ return PSMOUSE_GOOD_DATA;
++}
++
++static psmouse_ret_t cypress_protocol_handler(struct psmouse *psmouse)
++{
++ struct cytp_data *cytp = psmouse->private;
++
++ if (psmouse->pktcnt >= cytp->pkt_size) {
++ cypress_process_packet(psmouse, 0);
++ return PSMOUSE_FULL_PACKET;
++ }
++
++ return cypress_validate_byte(psmouse);
++}
++
++static void cypress_set_rate(struct psmouse *psmouse, unsigned int rate)
++{
++ struct cytp_data *cytp = psmouse->private;
++
++ if (rate >= 80) {
++ psmouse->rate = 80;
++ cytp->mode |= CYTP_BIT_HIGH_RATE;
++ } else {
++ psmouse->rate = 40;
++ cytp->mode &= ~CYTP_BIT_HIGH_RATE;
++ }
++
++ ps2_command(&psmouse->ps2dev, (unsigned char *)&psmouse->rate,
++ PSMOUSE_CMD_SETRATE);
++}
++
++static void cypress_disconnect(struct psmouse *psmouse)
++{
++ cypress_reset(psmouse);
++ kfree(psmouse->private);
++ psmouse->private = NULL;
++}
++
++static int cypress_reconnect(struct psmouse *psmouse)
++{
++ int tries = CYTP_PS2_CMD_TRIES;
++ int rc;
++
++ do {
++ cypress_reset(psmouse);
++ rc = cypress_detect(psmouse, false);
++ } while (rc && (--tries > 0));
++
++ if (rc) {
++ psmouse_err(psmouse, "Reconnect: unable to detect trackpad.\n");
++ return -1;
++ }
++
++ if (cypress_set_absolute_mode(psmouse)) {
++ psmouse_err(psmouse, "Reconnect: Unable to initialize Cypress absolute mode.\n");
++ return -1;
++ }
++
++ return 0;
++}
++
++int cypress_init(struct psmouse *psmouse)
++{
++ struct cytp_data *cytp;
++
++ cytp = (struct cytp_data *)kzalloc(sizeof(struct cytp_data), GFP_KERNEL);
++ psmouse->private = (void *)cytp;
++ if (cytp == NULL)
++ return -ENOMEM;
++
++ cypress_reset(psmouse);
++
++ psmouse->pktsize = 8;
++
++ if (cypress_query_hardware(psmouse)) {
++ psmouse_err(psmouse, "Unable to query Trackpad hardware.\n");
++ goto err_exit;
++ }
++
++ if (cypress_set_absolute_mode(psmouse)) {
++ psmouse_err(psmouse, "init: Unable to initialize Cypress absolute mode.\n");
++ goto err_exit;
++ }
++
++ if (cypress_set_input_params(psmouse->dev, cytp) < 0) {
++ psmouse_err(psmouse, "init: Unable to set input params.\n");
++ goto err_exit;
++ }
++
++ psmouse->model = 1;
++ psmouse->protocol_handler = cypress_protocol_handler;
++ psmouse->set_rate = cypress_set_rate;
++ psmouse->disconnect = cypress_disconnect;
++ psmouse->reconnect = cypress_reconnect;
++ psmouse->cleanup = cypress_reset;
++ psmouse->resync_time = 0;
++
++ return 0;
++
++err_exit:
++ /*
++ * Reset Cypress Trackpad as a standard mouse. Then
++ * let psmouse driver commmunicating with it as default PS2 mouse.
++ */
++ cypress_reset(psmouse);
++
++ psmouse->private = NULL;
++ kfree(cytp);
++
++ return -1;
++}
++
++bool cypress_supported(void)
++{
++ return true;
++}
+diff --git a/drivers/input/mouse/cypress_ps2.h b/drivers/input/mouse/cypress_ps2.h
+new file mode 100644
+index 0000000..4720f21
+--- /dev/null
++++ b/drivers/input/mouse/cypress_ps2.h
+@@ -0,0 +1,191 @@
++#ifndef _CYPRESS_PS2_H
++#define _CYPRESS_PS2_H
++
++#include "psmouse.h"
++
++#define CMD_BITS_MASK 0x03
++#define COMPOSIT(x, s) (((x) & CMD_BITS_MASK) << (s))
++
++#define ENCODE_CMD(aa, bb, cc, dd) \
++ (COMPOSIT((aa), 6) | COMPOSIT((bb), 4) | COMPOSIT((cc), 2) | COMPOSIT((dd), 0))
++#define CYTP_CMD_ABS_NO_PRESSURE_MODE ENCODE_CMD(0, 1, 0, 0)
++#define CYTP_CMD_ABS_WITH_PRESSURE_MODE ENCODE_CMD(0, 1, 0, 1)
++#define CYTP_CMD_SMBUS_MODE ENCODE_CMD(0, 1, 1, 0)
++#define CYTP_CMD_STANDARD_MODE ENCODE_CMD(0, 2, 0, 0) /* not implemented yet. */
++#define CYTP_CMD_CYPRESS_REL_MODE ENCODE_CMD(1, 1, 1, 1) /* not implemented yet. */
++#define CYTP_CMD_READ_CYPRESS_ID ENCODE_CMD(0, 0, 0, 0)
++#define CYTP_CMD_READ_TP_METRICS ENCODE_CMD(0, 0, 0, 1)
++#define CYTP_CMD_SET_HSCROLL_WIDTH(w) ENCODE_CMD(1, 1, 0, (w))
++#define CYTP_CMD_SET_HSCROLL_MASK ENCODE_CMD(1, 1, 0, 0)
++#define CYTP_CMD_SET_VSCROLL_WIDTH(w) ENCODE_CMD(1, 2, 0, (w))
++#define CYTP_CMD_SET_VSCROLL_MASK ENCODE_CMD(1, 2, 0, 0)
++#define CYTP_CMD_SET_PALM_GEOMETRY(e) ENCODE_CMD(1, 2, 1, (e))
++#define CYTP_CMD_PALM_GEMMETRY_MASK ENCODE_CMD(1, 2, 1, 0)
++#define CYTP_CMD_SET_PALM_SENSITIVITY(s) ENCODE_CMD(1, 2, 2, (s))
++#define CYTP_CMD_PALM_SENSITIVITY_MASK ENCODE_CMD(1, 2, 2, 0)
++#define CYTP_CMD_SET_MOUSE_SENSITIVITY(s) ENCODE_CMD(1, 3, ((s) >> 2), (s))
++#define CYTP_CMD_MOUSE_SENSITIVITY_MASK ENCODE_CMD(1, 3, 0, 0)
++#define CYTP_CMD_REQUEST_BASELINE_STATUS ENCODE_CMD(2, 0, 0, 1)
++#define CYTP_CMD_REQUEST_RECALIBRATION ENCODE_CMD(2, 0, 0, 3)
++
++#define DECODE_CMD_AA(x) (((x) >> 6) & CMD_BITS_MASK)
++#define DECODE_CMD_BB(x) (((x) >> 4) & CMD_BITS_MASK)
++#define DECODE_CMD_CC(x) (((x) >> 2) & CMD_BITS_MASK)
++#define DECODE_CMD_DD(x) ((x) & CMD_BITS_MASK)
++
++/* Cypress trackpad working mode. */
++#define CYTP_BIT_ABS_PRESSURE (1 << 3)
++#define CYTP_BIT_ABS_NO_PRESSURE (1 << 2)
++#define CYTP_BIT_CYPRESS_REL (1 << 1)
++#define CYTP_BIT_STANDARD_REL (1 << 0)
++#define CYTP_BIT_REL_MASK (CYTP_BIT_CYPRESS_REL | CYTP_BIT_STANDARD_REL)
++#define CYTP_BIT_ABS_MASK (CYTP_BIT_ABS_PRESSURE | CYTP_BIT_ABS_NO_PRESSURE)
++#define CYTP_BIT_ABS_REL_MASK (CYTP_BIT_ABS_MASK | CYTP_BIT_REL_MASK)
++
++#define CYTP_BIT_HIGH_RATE (1 << 4)
++/*
++ * report mode bit is set, firmware working in Remote Mode.
++ * report mode bit is cleared, firmware working in Stream Mode.
++ */
++#define CYTP_BIT_REPORT_MODE (1 << 5)
++
++/* scrolling width values for set HSCROLL and VSCROLL width command. */
++#define SCROLL_WIDTH_NARROW 1
++#define SCROLL_WIDTH_NORMAL 2
++#define SCROLL_WIDTH_WIDE 3
++
++#define PALM_GEOMETRY_ENABLE 1
++#define PALM_GEOMETRY_DISABLE 0
++
++#define TP_METRICS_MASK 0x80
++#define FW_VERSION_MASX 0x7f
++#define FW_VER_HIGH_MASK 0x70
++#define FW_VER_LOW_MASK 0x0f
++
++/* Times to retry a ps2_command and millisecond delay between tries. */
++#define CYTP_PS2_CMD_TRIES 3
++#define CYTP_PS2_CMD_DELAY 500
++
++/* time out for PS/2 command only in milliseconds. */
++#define CYTP_CMD_TIMEOUT 200
++#define CYTP_DATA_TIMEOUT 30
++
++#define CYTP_EXT_CMD 0xe8
++#define CYTP_PS2_RETRY 0xfe
++#define CYTP_PS2_ERROR 0xfc
++
++#define CYTP_RESP_RETRY 0x01
++#define CYTP_RESP_ERROR 0xfe
++
++
++#define CYTP_105001_WIDTH 97 /* Dell XPS 13 */
++#define CYTP_105001_HIGH 59
++#define CYTP_DEFAULT_WIDTH (CYTP_105001_WIDTH)
++#define CYTP_DEFAULT_HIGH (CYTP_105001_HIGH)
++
++#define CYTP_ABS_MAX_X 1600
++#define CYTP_ABS_MAX_Y 900
++#define CYTP_MAX_PRESSURE 255
++#define CYTP_MIN_PRESSURE 0
++
++/* header byte bits of relative package. */
++#define BTN_LEFT_BIT 0x01
++#define BTN_RIGHT_BIT 0x02
++#define BTN_MIDDLE_BIT 0x04
++#define REL_X_SIGN_BIT 0x10
++#define REL_Y_SIGN_BIT 0x20
++
++/* header byte bits of absolute package. */
++#define ABS_VSCROLL_BIT 0x10
++#define ABS_HSCROLL_BIT 0x20
++#define ABS_MULTIFINGER_TAP 0x04
++#define ABS_EDGE_MOTION_MASK 0x80
++
++#define DFLT_RESP_BITS_VALID 0x88 /* SMBus bit should not be set. */
++#define DFLT_RESP_SMBUS_BIT 0x80
++#define DFLT_SMBUS_MODE 0x80
++#define DFLT_PS2_MODE 0x00
++#define DFLT_RESP_BIT_MODE 0x40
++#define DFLT_RESP_REMOTE_MODE 0x40
++#define DFLT_RESP_STREAM_MODE 0x00
++#define DFLT_RESP_BIT_REPORTING 0x20
++#define DFLT_RESP_BIT_SCALING 0x10
++
++#define TP_METRICS_BIT_PALM 0x80
++#define TP_METRICS_BIT_STUBBORN 0x40
++#define TP_METRICS_BIT_2F_JITTER 0x30
++#define TP_METRICS_BIT_1F_JITTER 0x0c
++#define TP_METRICS_BIT_APA 0x02
++#define TP_METRICS_BIT_MTG 0x01
++#define TP_METRICS_BIT_ABS_PKT_FORMAT_SET 0xf0
++#define TP_METRICS_BIT_2F_SPIKE 0x0c
++#define TP_METRICS_BIT_1F_SPIKE 0x03
++
++/* bits of first byte response of E9h-Status Request command. */
++#define RESP_BTN_RIGHT_BIT 0x01
++#define RESP_BTN_MIDDLE_BIT 0x02
++#define RESP_BTN_LEFT_BIT 0x04
++#define RESP_SCALING_BIT 0x10
++#define RESP_ENABLE_BIT 0x20
++#define RESP_REMOTE_BIT 0x40
++#define RESP_SMBUS_BIT 0x80
++
++#define CYTP_MAX_MT_SLOTS 2
++
++struct cytp_contact {
++ int x;
++ int y;
++ int z; /* also named as touch pressure. */
++};
++
++/* The structure of Cypress Trackpad event data. */
++struct cytp_report_data {
++ int contact_cnt;
++ struct cytp_contact contacts[CYTP_MAX_MT_SLOTS];
++ unsigned int left:1;
++ unsigned int right:1;
++ unsigned int middle:1;
++ unsigned int tap:1; /* multi-finger tap detected. */
++};
++
++/* The structure of Cypress Trackpad device private data. */
++struct cytp_data {
++ int fw_version;
++
++ int pkt_size;
++ int mode;
++
++ int tp_min_pressure;
++ int tp_max_pressure;
++ int tp_width; /* X direction physical size in mm. */
++ int tp_high; /* Y direction physical size in mm. */
++ int tp_max_abs_x; /* Max X absolute units that can be reported. */
++ int tp_max_abs_y; /* Max Y absolute units that can be reported. */
++
++ int tp_res_x; /* X resolution in units/mm. */
++ int tp_res_y; /* Y resolution in units/mm. */
++
++ int tp_metrics_supported;
++};
++
++
++#ifdef CONFIG_MOUSE_PS2_CYPRESS
++int cypress_detect(struct psmouse *psmouse, bool set_properties);
++int cypress_init(struct psmouse *psmouse);
++bool cypress_supported(void);
++#else
++inline int cypress_detect(struct psmouse *psmouse, bool set_properties)
++{
++ return -ENOSYS;
++}
++inline int cypress_init(struct psmouse *psmouse)
++{
++ return -ENOSYS;
++}
++inline bool cypress_supported(void)
++{
++ return 0;
++}
++#endif /* CONFIG_MOUSE_PS2_CYPRESS */
++
++#endif /* _CYPRESS_PS2_H */
+diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
+index 22fe254..cff065f 100644
+--- a/drivers/input/mouse/psmouse-base.c
++++ b/drivers/input/mouse/psmouse-base.c
+@@ -34,6 +34,7 @@
+ #include "touchkit_ps2.h"
+ #include "elantech.h"
+ #include "sentelic.h"
++#include "cypress_ps2.h"
+
+ #define DRIVER_DESC "PS/2 mouse driver"
+
+@@ -759,6 +760,28 @@ static int psmouse_extensions(struct psmouse *psmouse,
+ }
+
+ /*
++ * Try Cypress Trackpad.
++ * Must try it before Finger Sensing Pad because Finger Sensing Pad probe
++ * upsets some modules of Cypress Trackpads.
++ */
++ if (max_proto > PSMOUSE_IMEX &&
++ cypress_detect(psmouse, set_properties) == 0) {
++ if (cypress_supported()) {
++ if (cypress_init(psmouse) == 0)
++ return PSMOUSE_CYPRESS;
++
++ /*
++ * Finger Sensing Pad probe upsets some modules of
++ * Cypress Trackpad, must avoid Finger Sensing Pad
++ * probe if Cypress Trackpad device detected.
++ */
++ return PSMOUSE_PS2;
++ }
++
++ max_proto = PSMOUSE_IMEX;
++ }
++
++/*
+ * Try ALPS TouchPad
+ */
+ if (max_proto > PSMOUSE_IMEX) {
+@@ -896,6 +919,15 @@ static const struct psmouse_protocol psmouse_protocols[] = {
+ .alias = "thinkps",
+ .detect = thinking_detect,
+ },
++#ifdef CONFIG_MOUSE_PS2_CYPRESS
++ {
++ .type = PSMOUSE_CYPRESS,
++ .name = "CyPS/2",
++ .alias = "cypress",
++ .detect = cypress_detect,
++ .init = cypress_init,
++ },
++#endif
+ {
+ .type = PSMOUSE_GENPS,
+ .name = "GenPS/2",
+diff --git a/drivers/input/mouse/psmouse.h b/drivers/input/mouse/psmouse.h
+index fe1df23..2f0b39d 100644
+--- a/drivers/input/mouse/psmouse.h
++++ b/drivers/input/mouse/psmouse.h
+@@ -95,6 +95,7 @@ enum psmouse_type {
+ PSMOUSE_ELANTECH,
+ PSMOUSE_FSP,
+ PSMOUSE_SYNAPTICS_RELATIVE,
++ PSMOUSE_CYPRESS,
+ PSMOUSE_AUTO /* This one should always be last */
+ };
+
+--
+1.7.7.6
+
diff --git a/Input-increase-struct-ps2dev-cmdbuf-to-8-bytes.patch b/Input-increase-struct-ps2dev-cmdbuf-to-8-bytes.patch
new file mode 100644
index 0000000..c3548aa
--- /dev/null
+++ b/Input-increase-struct-ps2dev-cmdbuf-to-8-bytes.patch
@@ -0,0 +1,30 @@
+From 80524f083e2c3e70057f5bb476db92baa14cb22b Mon Sep 17 00:00:00 2001
+From: Kamal Mostafa <kamal at canonical.com>
+Date: Tue, 20 Nov 2012 23:04:35 -0800
+Subject: [PATCH] Input: increase struct ps2dev cmdbuf[] to 8 bytes
+
+Cypress PS/2 Trackpad (drivers/input/mouse/cypress_ps2.c) needs
+this larger cmdbuf[] to handle 8-byte packet responses.
+
+Signed-off-by: Kamal Mostafa <kamal at canonical.com>
+Signed-off-by: Dmitry Torokhov <dmitry.torokhov at gmail.com>
+---
+ include/linux/libps2.h | 2 +-
+ 1 files changed, 1 insertions(+), 1 deletions(-)
+
+diff --git a/include/linux/libps2.h b/include/linux/libps2.h
+index 79603a6..4ad06e8 100644
+--- a/include/linux/libps2.h
++++ b/include/linux/libps2.h
+@@ -36,7 +36,7 @@ struct ps2dev {
+ wait_queue_head_t wait;
+
+ unsigned long flags;
+- unsigned char cmdbuf[6];
++ unsigned char cmdbuf[8];
+ unsigned char cmdcnt;
+ unsigned char nak;
+ };
+--
+1.7.7.6
+
diff --git a/kernel.spec b/kernel.spec
index 4303fd2..e1d177b 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -62,7 +62,7 @@ Summary: The Linux kernel
# For non-released -rc kernels, this will be appended after the rcX and
# gitX tags, so a 3 here would become part of release "0.rcX.gitX.3"
#
-%global baserelease 201
+%global baserelease 202
%global fedora_build %{baserelease}
# base_sublevel is the kernel version we're starting with and patching
@@ -782,6 +782,10 @@ Patch21238: brcmsmac-updates-rhbz892428.patch
#rhbz 863424
Patch21239: Revert-iwlwifi-fix-the-reclaimed-packet-tracking-upon.patch
+#rhbz 799564
+Patch21240: Input-increase-struct-ps2dev-cmdbuf-to-8-bytes.patch
+Patch21241: Input-add-support-for-Cypress-PS2-Trackpads.patch
+
# END OF PATCH DEFINITIONS
%endif
@@ -1501,6 +1505,10 @@ ApplyPatch brcmsmac-updates-rhbz892428.patch
#rhbz 863424
ApplyPatch Revert-iwlwifi-fix-the-reclaimed-packet-tracking-upon.patch
+#rhbz 799564
+ApplyPatch Input-increase-struct-ps2dev-cmdbuf-to-8-bytes.patch
+ApplyPatch Input-add-support-for-Cypress-PS2-Trackpads.patch
+
# END OF PATCH APPLICATIONS
%endif
@@ -2364,6 +2372,9 @@ fi
# ||----w |
# || ||
%changelog
+* Tue Jan 29 2013 Josh Boyer <jwboyer at redhat.com>
+- Backport driver for Cypress PS/2 trackpad (rhbz 799564)
+
* Mon Jan 28 2013 Josh Boyer <jwboyer at redhat.com> - 3.7.5-201
- Linux v3.7.5
- Add patch to fix iwlwifi issues (rhbz 863424)
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