--- /dev/null
+/*
+ * Wistron laptop button driver
+ * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz>
+ * Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org>
+ * Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru>
+ *
+ * You can redistribute and/or modify this program under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+ * Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place Suite 330, Boston, MA 02111-1307, USA.
+ */
+#include <linux/io.h>
+#include <linux/dmi.h>
+#include <linux/init.h>
+#include <linux/input-polldev.h>
+#include <linux/input/sparse-keymap.h>
+#include <linux/interrupt.h>
+#include <linux/jiffies.h>
+#include <linux/kernel.h>
+#include <linux/mc146818rtc.h>
+#include <linux/module.h>
+#include <linux/preempt.h>
+#include <linux/string.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+
+/* How often we poll keys - msecs */
+#define POLL_INTERVAL_DEFAULT 500 /* when idle */
+#define POLL_INTERVAL_BURST 100 /* when a key was recently pressed */
+
+/* BIOS subsystem IDs */
+#define WIFI 0x35
+#define BLUETOOTH 0x34
+#define MAIL_LED 0x31
+
+MODULE_AUTHOR("Miloslav Trmac <mitr@volny.cz>");
+MODULE_DESCRIPTION("Wistron laptop button driver");
+MODULE_LICENSE("GPL v2");
+
+static bool force; /* = 0; */
+module_param(force, bool, 0);
+MODULE_PARM_DESC(force, "Load even if computer is not in database");
+
+static char *keymap_name; /* = NULL; */
+module_param_named(keymap, keymap_name, charp, 0);
+MODULE_PARM_DESC(keymap, "Keymap name, if it can't be autodetected [generic, 1557/MS2141]");
+
+static struct platform_device *wistron_device;
+
+ /* BIOS interface implementation */
+
+static void __iomem *bios_entry_point; /* BIOS routine entry point */
+static void __iomem *bios_code_map_base;
+static void __iomem *bios_data_map_base;
+
+static u8 cmos_address;
+
+struct regs {
+ u32 eax, ebx, ecx;
+};
+
+static void call_bios(struct regs *regs)
+{
+ unsigned long flags;
+
+ preempt_disable();
+ local_irq_save(flags);
+ asm volatile ("pushl %%ebp;"
+ "movl %7, %%ebp;"
+ "call *%6;"
+ "popl %%ebp"
+ : "=a" (regs->eax), "=b" (regs->ebx), "=c" (regs->ecx)
+ : "0" (regs->eax), "1" (regs->ebx), "2" (regs->ecx),
+ "m" (bios_entry_point), "m" (bios_data_map_base)
+ : "edx", "edi", "esi", "memory");
+ local_irq_restore(flags);
+ preempt_enable();
+}
+
+static ssize_t __init locate_wistron_bios(void __iomem *base)
+{
+ static unsigned char __initdata signature[] =
+ { 0x42, 0x21, 0x55, 0x30 };
+ ssize_t offset;
+
+ for (offset = 0; offset < 0x10000; offset += 0x10) {
+ if (check_signature(base + offset, signature,
+ sizeof(signature)) != 0)
+ return offset;
+ }
+ return -1;
+}
+
+static int __init map_bios(void)
+{
+ void __iomem *base;
+ ssize_t offset;
+ u32 entry_point;
+
+ base = ioremap(0xF0000, 0x10000); /* Can't fail */
+ offset = locate_wistron_bios(base);
+ if (offset < 0) {
+ printk(KERN_ERR "wistron_btns: BIOS entry point not found\n");
+ iounmap(base);
+ return -ENODEV;
+ }
+
+ entry_point = readl(base + offset + 5);
+ printk(KERN_DEBUG
+ "wistron_btns: BIOS signature found at %p, entry point %08X\n",
+ base + offset, entry_point);
+
+ if (entry_point >= 0xF0000) {
+ bios_code_map_base = base;
+ bios_entry_point = bios_code_map_base + (entry_point & 0xFFFF);
+ } else {
+ iounmap(base);
+ bios_code_map_base = ioremap(entry_point & ~0x3FFF, 0x4000);
+ if (bios_code_map_base == NULL) {
+ printk(KERN_ERR
+ "wistron_btns: Can't map BIOS code at %08X\n",
+ entry_point & ~0x3FFF);
+ goto err;
+ }
+ bios_entry_point = bios_code_map_base + (entry_point & 0x3FFF);
+ }
+ /* The Windows driver maps 0x10000 bytes, we keep only one page... */
+ bios_data_map_base = ioremap(0x400, 0xc00);
+ if (bios_data_map_base == NULL) {
+ printk(KERN_ERR "wistron_btns: Can't map BIOS data\n");
+ goto err_code;
+ }
+ return 0;
+
+err_code:
+ iounmap(bios_code_map_base);
+err:
+ return -ENOMEM;
+}
+
+static inline void unmap_bios(void)
+{
+ iounmap(bios_code_map_base);
+ iounmap(bios_data_map_base);
+}
+
+ /* BIOS calls */
+
+static u16 bios_pop_queue(void)
+{
+ struct regs regs;
+
+ memset(®s, 0, sizeof (regs));
+ regs.eax = 0x9610;
+ regs.ebx = 0x061C;
+ regs.ecx = 0x0000;
+ call_bios(®s);
+
+ return regs.eax;
+}
+
+static void bios_attach(void)
+{
+ struct regs regs;
+
+ memset(®s, 0, sizeof (regs));
+ regs.eax = 0x9610;
+ regs.ebx = 0x012E;
+ call_bios(®s);
+}
+
+static void bios_detach(void)
+{
+ struct regs regs;
+
+ memset(®s, 0, sizeof (regs));
+ regs.eax = 0x9610;
+ regs.ebx = 0x002E;
+ call_bios(®s);
+}
+
+static u8 bios_get_cmos_address(void)
+{
+ struct regs regs;
+
+ memset(®s, 0, sizeof (regs));
+ regs.eax = 0x9610;
+ regs.ebx = 0x051C;
+ call_bios(®s);
+
+ return regs.ecx;
+}
+
+static u16 bios_get_default_setting(u8 subsys)
+{
+ struct regs regs;
+
+ memset(®s, 0, sizeof (regs));
+ regs.eax = 0x9610;
+ regs.ebx = 0x0200 | subsys;
+ call_bios(®s);
+
+ return regs.eax;
+}
+
+static void bios_set_state(u8 subsys, int enable)
+{
+ struct regs regs;
+
+ memset(®s, 0, sizeof (regs));
+ regs.eax = 0x9610;
+ regs.ebx = (enable ? 0x0100 : 0x0000) | subsys;
+ call_bios(®s);
+}
+
+/* Hardware database */
+
+#define KE_WIFI (KE_LAST + 1)
+#define KE_BLUETOOTH (KE_LAST + 2)
+
+#define FE_MAIL_LED 0x01
+#define FE_WIFI_LED 0x02
+#define FE_UNTESTED 0x80
+
+static struct key_entry *keymap; /* = NULL; Current key map */
+static bool have_wifi;
+static bool have_bluetooth;
+static int leds_present; /* bitmask of leds present */
+
+static int __init dmi_matched(const struct dmi_system_id *dmi)
+{
+ const struct key_entry *key;
+
+ keymap = dmi->driver_data;
+ for (key = keymap; key->type != KE_END; key++) {
+ if (key->type == KE_WIFI)
+ have_wifi = true;
+ else if (key->type == KE_BLUETOOTH)
+ have_bluetooth = true;
+ }
+ leds_present = key->code & (FE_MAIL_LED | FE_WIFI_LED);
+
+ return 1;
+}
+
+static struct key_entry keymap_empty[] __initdata = {
+ { KE_END, 0 }
+};
+
+static struct key_entry keymap_fs_amilo_pro_v2000[] __initdata = {
+ { KE_KEY, 0x01, {KEY_HELP} },
+ { KE_KEY, 0x11, {KEY_PROG1} },
+ { KE_KEY, 0x12, {KEY_PROG2} },
+ { KE_WIFI, 0x30 },
+ { KE_KEY, 0x31, {KEY_MAIL} },
+ { KE_KEY, 0x36, {KEY_WWW} },
+ { KE_END, 0 }
+};
+
+static struct key_entry keymap_fs_amilo_pro_v3505[] __initdata = {
+ { KE_KEY, 0x01, {KEY_HELP} }, /* Fn+F1 */
+ { KE_KEY, 0x06, {KEY_DISPLAYTOGGLE} }, /* Fn+F4 */
+ { KE_BLUETOOTH, 0x30 }, /* Fn+F10 */
+ { KE_KEY, 0x31, {KEY_MAIL} }, /* mail button */
+ { KE_KEY, 0x36, {KEY_WWW} }, /* www button */
+ { KE_WIFI, 0x78 }, /* satellite dish button */
+ { KE_END, 0 }
+};
+
+static struct key_entry keymap_fs_amilo_pro_v8210[] __initdata = {
+ { KE_KEY, 0x01, {KEY_HELP} }, /* Fn+F1 */
+ { KE_KEY, 0x06, {KEY_DISPLAYTOGGLE} }, /* Fn+F4 */
+ { KE_BLUETOOTH, 0x30 }, /* Fn+F10 */
+ { KE_KEY, 0x31, {KEY_MAIL} }, /* mail button */
+ { KE_KEY, 0x36, {KEY_WWW} }, /* www button */
+ { KE_WIFI, 0x78 }, /* satelite dish button */
+ { KE_END, FE_WIFI_LED }
+};
+
+static struct key_entry keymap_fujitsu_n3510[] __initdata = {
+ { KE_KEY, 0x11, {KEY_PROG1} },
+ { KE_KEY, 0x12, {KEY_PROG2} },
+ { KE_KEY, 0x36, {KEY_WWW} },
+ { KE_KEY, 0x31, {KEY_MAIL} },
+ { KE_KEY, 0x71, {KEY_STOPCD} },
+ { KE_KEY, 0x72, {KEY_PLAYPAUSE} },
+ { KE_KEY, 0x74, {KEY_REWIND} },
+ { KE_KEY, 0x78, {KEY_FORWARD} },
+ { KE_END, 0 }
+};
+
+static struct key_entry keymap_wistron_ms2111[] __initdata = {
+ { KE_KEY, 0x11, {KEY_PROG1} },
+ { KE_KEY, 0x12, {KEY_PROG2} },
+ { KE_KEY, 0x13, {KEY_PROG3} },
+ { KE_KEY, 0x31, {KEY_MAIL} },
+ { KE_KEY, 0x36, {KEY_WWW} },
+ { KE_END, FE_MAIL_LED }
+};
+
+static struct key_entry keymap_wistron_md40100[] __initdata = {
+ { KE_KEY, 0x01, {KEY_HELP} },
+ { KE_KEY, 0x02, {KEY_CONFIG} },
+ { KE_KEY, 0x31, {KEY_MAIL} },
+ { KE_KEY, 0x36, {KEY_WWW} },
+ { KE_KEY, 0x37, {KEY_DISPLAYTOGGLE} }, /* Display on/off */
+ { KE_END, FE_MAIL_LED | FE_WIFI_LED | FE_UNTESTED }
+};
+
+static struct key_entry keymap_wistron_ms2141[] __initdata = {
+ { KE_KEY, 0x11, {KEY_PROG1} },
+ { KE_KEY, 0x12, {KEY_PROG2} },
+ { KE_WIFI, 0x30 },
+ { KE_KEY, 0x22, {KEY_REWIND} },
+ { KE_KEY, 0x23, {KEY_FORWARD} },
+ { KE_KEY, 0x24, {KEY_PLAYPAUSE} },
+ { KE_KEY, 0x25, {KEY_STOPCD} },
+ { KE_KEY, 0x31, {KEY_MAIL} },
+ { KE_KEY, 0x36, {KEY_WWW} },
+ { KE_END, 0 }
+};
+
+static struct key_entry keymap_acer_aspire_1500[] __initdata = {
+ { KE_KEY, 0x01, {KEY_HELP} },
+ { KE_KEY, 0x03, {KEY_POWER} },
+ { KE_KEY, 0x11, {KEY_PROG1} },
+ { KE_KEY, 0x12, {KEY_PROG2} },
+ { KE_WIFI, 0x30 },
+ { KE_KEY, 0x31, {KEY_MAIL} },
+ { KE_KEY, 0x36, {KEY_WWW} },
+ { KE_KEY, 0x49, {KEY_CONFIG} },
+ { KE_BLUETOOTH, 0x44 },
+ { KE_END, FE_UNTESTED }
+};
+
+static struct key_entry keymap_acer_aspire_1600[] __initdata = {
+ { KE_KEY, 0x01, {KEY_HELP} },
+ { KE_KEY, 0x03, {KEY_POWER} },
+ { KE_KEY, 0x08, {KEY_MUTE} },
+ { KE_KEY, 0x11, {KEY_PROG1} },
+ { KE_KEY, 0x12, {KEY_PROG2} },
+ { KE_KEY, 0x13, {KEY_PROG3} },
+ { KE_KEY, 0x31, {KEY_MAIL} },
+ { KE_KEY, 0x36, {KEY_WWW} },
+ { KE_KEY, 0x49, {KEY_CONFIG} },
+ { KE_WIFI, 0x30 },
+ { KE_BLUETOOTH, 0x44 },
+ { KE_END, FE_MAIL_LED | FE_UNTESTED }
+};
+
+/* 3020 has been tested */
+static struct key_entry keymap_acer_aspire_5020[] __initdata = {
+ { KE_KEY, 0x01, {KEY_HELP} },
+ { KE_KEY, 0x03, {KEY_POWER} },
+ { KE_KEY, 0x05, {KEY_SWITCHVIDEOMODE} }, /* Display selection */
+ { KE_KEY, 0x11, {KEY_PROG1} },
+ { KE_KEY, 0x12, {KEY_PROG2} },
+ { KE_KEY, 0x31, {KEY_MAIL} },
+ { KE_KEY, 0x36, {KEY_WWW} },
+ { KE_KEY, 0x6a, {KEY_CONFIG} },
+ { KE_WIFI, 0x30 },
+ { KE_BLUETOOTH, 0x44 },
+ { KE_END, FE_MAIL_LED | FE_UNTESTED }
+};
+
+static struct key_entry keymap_acer_travelmate_2410[] __initdata = {
+ { KE_KEY, 0x01, {KEY_HELP} },
+ { KE_KEY, 0x6d, {KEY_POWER} },
+ { KE_KEY, 0x11, {KEY_PROG1} },
+ { KE_KEY, 0x12, {KEY_PROG2} },
+ { KE_KEY, 0x31, {KEY_MAIL} },
+ { KE_KEY, 0x36, {KEY_WWW} },
+ { KE_KEY, 0x6a, {KEY_CONFIG} },
+ { KE_WIFI, 0x30 },
+ { KE_BLUETOOTH, 0x44 },
+ { KE_END, FE_MAIL_LED | FE_UNTESTED }
+};
+
+static struct key_entry keymap_acer_travelmate_110[] __initdata = {
+ { KE_KEY, 0x01, {KEY_HELP} },
+ { KE_KEY, 0x02, {KEY_CONFIG} },
+ { KE_KEY, 0x03, {KEY_POWER} },
+ { KE_KEY, 0x08, {KEY_MUTE} },
+ { KE_KEY, 0x11, {KEY_PROG1} },
+ { KE_KEY, 0x12, {KEY_PROG2} },
+ { KE_KEY, 0x20, {KEY_VOLUMEUP} },
+ { KE_KEY, 0x21, {KEY_VOLUMEDOWN} },
+ { KE_KEY, 0x31, {KEY_MAIL} },
+ { KE_KEY, 0x36, {KEY_WWW} },
+ { KE_SW, 0x4a, {.sw = {SW_LID, 1}} }, /* lid close */
+ { KE_SW, 0x4b, {.sw = {SW_LID, 0}} }, /* lid open */
+ { KE_WIFI, 0x30 },
+ { KE_END, FE_MAIL_LED | FE_UNTESTED }
+};
+
+static struct key_entry keymap_acer_travelmate_300[] __initdata = {
+ { KE_KEY, 0x01, {KEY_HELP} },
+ { KE_KEY, 0x02, {KEY_CONFIG} },
+ { KE_KEY, 0x03, {KEY_POWER} },
+ { KE_KEY, 0x08, {KEY_MUTE} },
+ { KE_KEY, 0x11, {KEY_PROG1} },
+ { KE_KEY, 0x12, {KEY_PROG2} },
+ { KE_KEY, 0x20, {KEY_VOLUMEUP} },
+ { KE_KEY, 0x21, {KEY_VOLUMEDOWN} },
+ { KE_KEY, 0x31, {KEY_MAIL} },
+ { KE_KEY, 0x36, {KEY_WWW} },
+ { KE_WIFI, 0x30 },
+ { KE_BLUETOOTH, 0x44 },
+ { KE_END, FE_MAIL_LED | FE_UNTESTED }
+};
+
+static struct key_entry keymap_acer_travelmate_380[] __initdata = {
+ { KE_KEY, 0x01, {KEY_HELP} },
+ { KE_KEY, 0x02, {KEY_CONFIG} },
+ { KE_KEY, 0x03, {KEY_POWER} }, /* not 370 */
+ { KE_KEY, 0x11, {KEY_PROG1} },
+ { KE_KEY, 0x12, {KEY_PROG2} },
+ { KE_KEY, 0x13, {KEY_PROG3} },
+ { KE_KEY, 0x31, {KEY_MAIL} },
+ { KE_KEY, 0x36, {KEY_WWW} },
+ { KE_WIFI, 0x30 },
+ { KE_END, FE_MAIL_LED | FE_UNTESTED }
+};
+
+/* unusual map */
+static struct key_entry keymap_acer_travelmate_220[] __initdata = {
+ { KE_KEY, 0x01, {KEY_HELP} },
+ { KE_KEY, 0x02, {KEY_CONFIG} },
+ { KE_KEY, 0x11, {KEY_MAIL} },
+ { KE_KEY, 0x12, {KEY_WWW} },
+ { KE_KEY, 0x13, {KEY_PROG2} },
+ { KE_KEY, 0x31, {KEY_PROG1} },
+ { KE_END, FE_WIFI_LED | FE_UNTESTED }
+};
+
+static struct key_entry keymap_acer_travelmate_230[] __initdata = {
+ { KE_KEY, 0x01, {KEY_HELP} },
+ { KE_KEY, 0x02, {KEY_CONFIG} },
+ { KE_KEY, 0x11, {KEY_PROG1} },
+ { KE_KEY, 0x12, {KEY_PROG2} },
+ { KE_KEY, 0x31, {KEY_MAIL} },
+ { KE_KEY, 0x36, {KEY_WWW} },
+ { KE_END, FE_WIFI_LED | FE_UNTESTED }
+};
+
+static struct key_entry keymap_acer_travelmate_240[] __initdata = {
+ { KE_KEY, 0x01, {KEY_HELP} },
+ { KE_KEY, 0x02, {KEY_CONFIG} },
+ { KE_KEY, 0x03, {KEY_POWER} },
+ { KE_KEY, 0x08, {KEY_MUTE} },
+ { KE_KEY, 0x31, {KEY_MAIL} },
+ { KE_KEY, 0x36, {KEY_WWW} },
+ { KE_KEY, 0x11, {KEY_PROG1} },
+ { KE_KEY, 0x12, {KEY_PROG2} },
+ { KE_BLUETOOTH, 0x44 },
+ { KE_WIFI, 0x30 },
+ { KE_END, FE_UNTESTED }
+};
+
+static struct key_entry keymap_acer_travelmate_350[] __initdata = {
+ { KE_KEY, 0x01, {KEY_HELP} },
+ { KE_KEY, 0x02, {KEY_CONFIG} },
+ { KE_KEY, 0x11, {KEY_PROG1} },
+ { KE_KEY, 0x12, {KEY_PROG2} },
+ { KE_KEY, 0x13, {KEY_MAIL} },
+ { KE_KEY, 0x14, {KEY_PROG3} },
+ { KE_KEY, 0x15, {KEY_WWW} },
+ { KE_END, FE_MAIL_LED | FE_WIFI_LED | FE_UNTESTED }
+};
+
+static struct key_entry keymap_acer_travelmate_360[] __initdata = {
+ { KE_KEY, 0x01, {KEY_HELP} },
+ { KE_KEY, 0x02, {KEY_CONFIG} },
+ { KE_KEY, 0x11, {KEY_PROG1} },
+ { KE_KEY, 0x12, {KEY_PROG2} },
+ { KE_KEY, 0x13, {KEY_MAIL} },
+ { KE_KEY, 0x14, {KEY_PROG3} },
+ { KE_KEY, 0x15, {KEY_WWW} },
+ { KE_KEY, 0x40, {KEY_WLAN} },
+ { KE_END, FE_WIFI_LED | FE_UNTESTED } /* no mail led */
+};
+
+/* Wifi subsystem only activates the led. Therefore we need to pass
+ * wifi event as a normal key, then userspace can really change the wifi state.
+ * TODO we need to export led state to userspace (wifi and mail) */
+static struct key_entry keymap_acer_travelmate_610[] __initdata = {
+ { KE_KEY, 0x01, {KEY_HELP} },
+ { KE_KEY, 0x02, {KEY_CONFIG} },
+ { KE_KEY, 0x11, {KEY_PROG1} },
+ { KE_KEY, 0x12, {KEY_PROG2} },
+ { KE_KEY, 0x13, {KEY_PROG3} },
+ { KE_KEY, 0x14, {KEY_MAIL} },
+ { KE_KEY, 0x15, {KEY_WWW} },
+ { KE_KEY, 0x40, {KEY_WLAN} },
+ { KE_END, FE_MAIL_LED | FE_WIFI_LED }
+};
+
+static struct key_entry keymap_acer_travelmate_630[] __initdata = {
+ { KE_KEY, 0x01, {KEY_HELP} },
+ { KE_KEY, 0x02, {KEY_CONFIG} },
+ { KE_KEY, 0x03, {KEY_POWER} },
+ { KE_KEY, 0x08, {KEY_MUTE} }, /* not 620 */
+ { KE_KEY, 0x11, {KEY_PROG1} },
+ { KE_KEY, 0x12, {KEY_PROG2} },
+ { KE_KEY, 0x13, {KEY_PROG3} },
+ { KE_KEY, 0x20, {KEY_VOLUMEUP} },
+ { KE_KEY, 0x21, {KEY_VOLUMEDOWN} },
+ { KE_KEY, 0x31, {KEY_MAIL} },
+ { KE_KEY, 0x36, {KEY_WWW} },
+ { KE_WIFI, 0x30 },
+ { KE_END, FE_MAIL_LED | FE_UNTESTED }
+};
+
+static struct key_entry keymap_aopen_1559as[] __initdata = {
+ { KE_KEY, 0x01, {KEY_HELP} },
+ { KE_KEY, 0x06, {KEY_PROG3} },
+ { KE_KEY, 0x11, {KEY_PROG1} },
+ { KE_KEY, 0x12, {KEY_PROG2} },
+ { KE_WIFI, 0x30 },
+ { KE_KEY, 0x31, {KEY_MAIL} },
+ { KE_KEY, 0x36, {KEY_WWW} },
+ { KE_END, 0 },
+};
+
+static struct key_entry keymap_fs_amilo_d88x0[] __initdata = {
+ { KE_KEY, 0x01, {KEY_HELP} },
+ { KE_KEY, 0x08, {KEY_MUTE} },
+ { KE_KEY, 0x31, {KEY_MAIL} },
+ { KE_KEY, 0x36, {KEY_WWW} },
+ { KE_KEY, 0x11, {KEY_PROG1} },
+ { KE_KEY, 0x12, {KEY_PROG2} },
+ { KE_KEY, 0x13, {KEY_PROG3} },
+ { KE_END, FE_MAIL_LED | FE_WIFI_LED | FE_UNTESTED }
+};
+
+static struct key_entry keymap_wistron_md2900[] __initdata = {
+ { KE_KEY, 0x01, {KEY_HELP} },
+ { KE_KEY, 0x02, {KEY_CONFIG} },
+ { KE_KEY, 0x11, {KEY_PROG1} },
+ { KE_KEY, 0x12, {KEY_PROG2} },
+ { KE_KEY, 0x31, {KEY_MAIL} },
+ { KE_KEY, 0x36, {KEY_WWW} },
+ { KE_WIFI, 0x30 },
+ { KE_END, FE_MAIL_LED | FE_UNTESTED }
+};
+
+static struct key_entry keymap_wistron_md96500[] __initdata = {
+ { KE_KEY, 0x01, {KEY_HELP} },
+ { KE_KEY, 0x02, {KEY_CONFIG} },
+ { KE_KEY, 0x05, {KEY_SWITCHVIDEOMODE} }, /* Display selection */
+ { KE_KEY, 0x06, {KEY_DISPLAYTOGGLE} }, /* Display on/off */
+ { KE_KEY, 0x08, {KEY_MUTE} },
+ { KE_KEY, 0x11, {KEY_PROG1} },
+ { KE_KEY, 0x12, {KEY_PROG2} },
+ { KE_KEY, 0x20, {KEY_VOLUMEUP} },
+ { KE_KEY, 0x21, {KEY_VOLUMEDOWN} },
+ { KE_KEY, 0x22, {KEY_REWIND} },
+ { KE_KEY, 0x23, {KEY_FORWARD} },
+ { KE_KEY, 0x24, {KEY_PLAYPAUSE} },
+ { KE_KEY, 0x25, {KEY_STOPCD} },
+ { KE_KEY, 0x31, {KEY_MAIL} },
+ { KE_KEY, 0x36, {KEY_WWW} },
+ { KE_WIFI, 0x30 },
+ { KE_BLUETOOTH, 0x44 },
+ { KE_END, 0 }
+};
+
+static struct key_entry keymap_wistron_generic[] __initdata = {
+ { KE_KEY, 0x01, {KEY_HELP} },
+ { KE_KEY, 0x02, {KEY_CONFIG} },
+ { KE_KEY, 0x03, {KEY_POWER} },
+ { KE_KEY, 0x05, {KEY_SWITCHVIDEOMODE} }, /* Display selection */
+ { KE_KEY, 0x06, {KEY_DISPLAYTOGGLE} }, /* Display on/off */
+ { KE_KEY, 0x08, {KEY_MUTE} },
+ { KE_KEY, 0x11, {KEY_PROG1} },
+ { KE_KEY, 0x12, {KEY_PROG2} },
+ { KE_KEY, 0x13, {KEY_PROG3} },
+ { KE_KEY, 0x14, {KEY_MAIL} },
+ { KE_KEY, 0x15, {KEY_WWW} },
+ { KE_KEY, 0x20, {KEY_VOLUMEUP} },
+ { KE_KEY, 0x21, {KEY_VOLUMEDOWN} },
+ { KE_KEY, 0x22, {KEY_REWIND} },
+ { KE_KEY, 0x23, {KEY_FORWARD} },
+ { KE_KEY, 0x24, {KEY_PLAYPAUSE} },
+ { KE_KEY, 0x25, {KEY_STOPCD} },
+ { KE_KEY, 0x31, {KEY_MAIL} },
+ { KE_KEY, 0x36, {KEY_WWW} },
+ { KE_KEY, 0x37, {KEY_DISPLAYTOGGLE} }, /* Display on/off */
+ { KE_KEY, 0x40, {KEY_WLAN} },
+ { KE_KEY, 0x49, {KEY_CONFIG} },
+ { KE_SW, 0x4a, {.sw = {SW_LID, 1}} }, /* lid close */
+ { KE_SW, 0x4b, {.sw = {SW_LID, 0}} }, /* lid open */
+ { KE_KEY, 0x6a, {KEY_CONFIG} },
+ { KE_KEY, 0x6d, {KEY_POWER} },
+ { KE_KEY, 0x71, {KEY_STOPCD} },
+ { KE_KEY, 0x72, {KEY_PLAYPAUSE} },
+ { KE_KEY, 0x74, {KEY_REWIND} },
+ { KE_KEY, 0x78, {KEY_FORWARD} },
+ { KE_WIFI, 0x30 },
+ { KE_BLUETOOTH, 0x44 },
+ { KE_END, 0 }
+};
+
+static struct key_entry keymap_aopen_1557[] __initdata = {
+ { KE_KEY, 0x01, {KEY_HELP} },
+ { KE_KEY, 0x11, {KEY_PROG1} },
+ { KE_KEY, 0x12, {KEY_PROG2} },
+ { KE_WIFI, 0x30 },
+ { KE_KEY, 0x22, {KEY_REWIND} },
+ { KE_KEY, 0x23, {KEY_FORWARD} },
+ { KE_KEY, 0x24, {KEY_PLAYPAUSE} },
+ { KE_KEY, 0x25, {KEY_STOPCD} },
+ { KE_KEY, 0x31, {KEY_MAIL} },
+ { KE_KEY, 0x36, {KEY_WWW} },
+ { KE_END, 0 }
+};
+
+static struct key_entry keymap_prestigio[] __initdata = {
+ { KE_KEY, 0x11, {KEY_PROG1} },
+ { KE_KEY, 0x12, {KEY_PROG2} },
+ { KE_WIFI, 0x30 },
+ { KE_KEY, 0x22, {KEY_REWIND} },
+ { KE_KEY, 0x23, {KEY_FORWARD} },
+ { KE_KEY, 0x24, {KEY_PLAYPAUSE} },
+ { KE_KEY, 0x25, {KEY_STOPCD} },
+ { KE_KEY, 0x31, {KEY_MAIL} },
+ { KE_KEY, 0x36, {KEY_WWW} },
+ { KE_END, 0 }
+};
+
+
+/*
+ * If your machine is not here (which is currently rather likely), please send
+ * a list of buttons and their key codes (reported when loading this module
+ * with force=1) and the output of dmidecode to $MODULE_AUTHOR.
+ */
+static const struct dmi_system_id dmi_ids[] __initconst = {
+ {
+ /* Fujitsu-Siemens Amilo Pro V2000 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2000"),
+ },
+ .driver_data = keymap_fs_amilo_pro_v2000
+ },
+ {
+ /* Fujitsu-Siemens Amilo Pro Edition V3505 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro Edition V3505"),
+ },
+ .driver_data = keymap_fs_amilo_pro_v3505
+ },
+ {
+ /* Fujitsu-Siemens Amilo Pro Edition V8210 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro Series V8210"),
+ },
+ .driver_data = keymap_fs_amilo_pro_v8210
+ },
+ {
+ /* Fujitsu-Siemens Amilo M7400 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "AMILO M "),
+ },
+ .driver_data = keymap_fs_amilo_pro_v2000
+ },
+ {
+ /* Maxdata Pro 7000 DX */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "MAXDATA"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Pro 7000"),
+ },
+ .driver_data = keymap_fs_amilo_pro_v2000
+ },
+ {
+ /* Fujitsu N3510 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "N3510"),
+ },
+ .driver_data = keymap_fujitsu_n3510
+ },
+ {
+ /* Acer Aspire 1500 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1500"),
+ },
+ .driver_data = keymap_acer_aspire_1500
+ },
+ {
+ /* Acer Aspire 1600 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1600"),
+ },
+ .driver_data = keymap_acer_aspire_1600
+ },
+ {
+ /* Acer Aspire 3020 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3020"),
+ },
+ .driver_data = keymap_acer_aspire_5020
+ },
+ {
+ /* Acer Aspire 5020 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5020"),
+ },
+ .driver_data = keymap_acer_aspire_5020
+ },
+ {
+ /* Acer TravelMate 2100 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2100"),
+ },
+ .driver_data = keymap_acer_aspire_5020
+ },
+ {
+ /* Acer TravelMate 2410 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2410"),
+ },
+ .driver_data = keymap_acer_travelmate_2410
+ },
+ {
+ /* Acer TravelMate C300 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate C300"),
+ },
+ .driver_data = keymap_acer_travelmate_300
+ },
+ {
+ /* Acer TravelMate C100 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate C100"),
+ },
+ .driver_data = keymap_acer_travelmate_300
+ },
+ {
+ /* Acer TravelMate C110 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate C110"),
+ },
+ .driver_data = keymap_acer_travelmate_110
+ },
+ {
+ /* Acer TravelMate 380 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 380"),
+ },
+ .driver_data = keymap_acer_travelmate_380
+ },
+ {
+ /* Acer TravelMate 370 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 370"),
+ },
+ .driver_data = keymap_acer_travelmate_380 /* keyboard minus 1 key */
+ },
+ {
+ /* Acer TravelMate 220 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 220"),
+ },
+ .driver_data = keymap_acer_travelmate_220
+ },
+ {
+ /* Acer TravelMate 260 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 260"),
+ },
+ .driver_data = keymap_acer_travelmate_220
+ },
+ {
+ /* Acer TravelMate 230 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 230"),
+ /* acerhk looks for "TravelMate F4..." ?! */
+ },
+ .driver_data = keymap_acer_travelmate_230
+ },
+ {
+ /* Acer TravelMate 280 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 280"),
+ },
+ .driver_data = keymap_acer_travelmate_230
+ },
+ {
+ /* Acer TravelMate 240 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 240"),
+ },
+ .driver_data = keymap_acer_travelmate_240
+ },
+ {
+ /* Acer TravelMate 250 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 250"),
+ },
+ .driver_data = keymap_acer_travelmate_240
+ },
+ {
+ /* Acer TravelMate 2424NWXCi */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2420"),
+ },
+ .driver_data = keymap_acer_travelmate_240
+ },
+ {
+ /* Acer TravelMate 350 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 350"),
+ },
+ .driver_data = keymap_acer_travelmate_350
+ },
+ {
+ /* Acer TravelMate 360 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 360"),
+ },
+ .driver_data = keymap_acer_travelmate_360
+ },
+ {
+ /* Acer TravelMate 610 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ACER"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 610"),
+ },
+ .driver_data = keymap_acer_travelmate_610
+ },
+ {
+ /* Acer TravelMate 620 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 620"),
+ },
+ .driver_data = keymap_acer_travelmate_630
+ },
+ {
+ /* Acer TravelMate 630 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 630"),
+ },
+ .driver_data = keymap_acer_travelmate_630
+ },
+ {
+ /* AOpen 1559AS */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_PRODUCT_NAME, "E2U"),
+ DMI_MATCH(DMI_BOARD_NAME, "E2U"),
+ },
+ .driver_data = keymap_aopen_1559as
+ },
+ {
+ /* Medion MD 9783 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "MD 9783"),
+ },
+ .driver_data = keymap_wistron_ms2111
+ },
+ {
+ /* Medion MD 40100 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "WID2000"),
+ },
+ .driver_data = keymap_wistron_md40100
+ },
+ {
+ /* Medion MD 2900 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2000"),
+ },
+ .driver_data = keymap_wistron_md2900
+ },
+ {
+ /* Medion MD 42200 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Medion"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2030"),
+ },
+ .driver_data = keymap_fs_amilo_pro_v2000
+ },
+ {
+ /* Medion MD 96500 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "MEDIONPC"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2040"),
+ },
+ .driver_data = keymap_wistron_md96500
+ },
+ {
+ /* Medion MD 95400 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "MEDIONPC"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2050"),
+ },
+ .driver_data = keymap_wistron_md96500
+ },
+ {
+ /* Fujitsu Siemens Amilo D7820 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), /* not sure */
+ DMI_MATCH(DMI_PRODUCT_NAME, "Amilo D"),
+ },
+ .driver_data = keymap_fs_amilo_d88x0
+ },
+ {
+ /* Fujitsu Siemens Amilo D88x0 */
+ .callback = dmi_matched,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "AMILO D"),
+ },
+ .driver_data = keymap_fs_amilo_d88x0
+ },
+ { NULL, }
+};
+MODULE_DEVICE_TABLE(dmi, dmi_ids);
+
+/* Copy the good keymap, as the original ones are free'd */
+static int __init copy_keymap(void)
+{
+ const struct key_entry *key;
+ struct key_entry *new_keymap;
+ unsigned int length = 1;
+
+ for (key = keymap; key->type != KE_END; key++)
+ length++;
+
+ new_keymap = kmemdup(keymap, length * sizeof(struct key_entry),
+ GFP_KERNEL);
+ if (!new_keymap)
+ return -ENOMEM;
+
+ keymap = new_keymap;
+
+ return 0;
+}
+
+static int __init select_keymap(void)
+{
+ dmi_check_system(dmi_ids);
+ if (keymap_name != NULL) {
+ if (strcmp (keymap_name, "1557/MS2141") == 0)
+ keymap = keymap_wistron_ms2141;
+ else if (strcmp (keymap_name, "aopen1557") == 0)
+ keymap = keymap_aopen_1557;
+ else if (strcmp (keymap_name, "prestigio") == 0)
+ keymap = keymap_prestigio;
+ else if (strcmp (keymap_name, "generic") == 0)
+ keymap = keymap_wistron_generic;
+ else {
+ printk(KERN_ERR "wistron_btns: Keymap unknown\n");
+ return -EINVAL;
+ }
+ }
+ if (keymap == NULL) {
+ if (!force) {
+ printk(KERN_ERR "wistron_btns: System unknown\n");
+ return -ENODEV;
+ }
+ keymap = keymap_empty;
+ }
+
+ return copy_keymap();
+}
+
+ /* Input layer interface */
+
+static struct input_polled_dev *wistron_idev;
+static unsigned long jiffies_last_press;
+static bool wifi_enabled;
+static bool bluetooth_enabled;
+
+ /* led management */
+static void wistron_mail_led_set(struct led_classdev *led_cdev,
+ enum led_brightness value)
+{
+ bios_set_state(MAIL_LED, (value != LED_OFF) ? 1 : 0);
+}
+
+/* same as setting up wifi card, but for laptops on which the led is managed */
+static void wistron_wifi_led_set(struct led_classdev *led_cdev,
+ enum led_brightness value)
+{
+ bios_set_state(WIFI, (value != LED_OFF) ? 1 : 0);
+}
+
+static struct led_classdev wistron_mail_led = {
+ .name = "wistron:green:mail",
+ .brightness_set = wistron_mail_led_set,
+};
+
+static struct led_classdev wistron_wifi_led = {
+ .name = "wistron:red:wifi",
+ .brightness_set = wistron_wifi_led_set,
+};
+
+static void wistron_led_init(struct device *parent)
+{
+ if (leds_present & FE_WIFI_LED) {
+ u16 wifi = bios_get_default_setting(WIFI);
+ if (wifi & 1) {
+ wistron_wifi_led.brightness = (wifi & 2) ? LED_FULL : LED_OFF;
+ if (led_classdev_register(parent, &wistron_wifi_led))
+ leds_present &= ~FE_WIFI_LED;
+ else
+ bios_set_state(WIFI, wistron_wifi_led.brightness);
+
+ } else
+ leds_present &= ~FE_WIFI_LED;
+ }
+
+ if (leds_present & FE_MAIL_LED) {
+ /* bios_get_default_setting(MAIL) always retuns 0, so just turn the led off */
+ wistron_mail_led.brightness = LED_OFF;
+ if (led_classdev_register(parent, &wistron_mail_led))
+ leds_present &= ~FE_MAIL_LED;
+ else
+ bios_set_state(MAIL_LED, wistron_mail_led.brightness);
+ }
+}
+
+static void wistron_led_remove(void)
+{
+ if (leds_present & FE_MAIL_LED)
+ led_classdev_unregister(&wistron_mail_led);
+
+ if (leds_present & FE_WIFI_LED)
+ led_classdev_unregister(&wistron_wifi_led);
+}
+
+static inline void wistron_led_suspend(void)
+{
+ if (leds_present & FE_MAIL_LED)
+ led_classdev_suspend(&wistron_mail_led);
+
+ if (leds_present & FE_WIFI_LED)
+ led_classdev_suspend(&wistron_wifi_led);
+}
+
+static inline void wistron_led_resume(void)
+{
+ if (leds_present & FE_MAIL_LED)
+ led_classdev_resume(&wistron_mail_led);
+
+ if (leds_present & FE_WIFI_LED)
+ led_classdev_resume(&wistron_wifi_led);
+}
+
+static void handle_key(u8 code)
+{
+ const struct key_entry *key =
+ sparse_keymap_entry_from_scancode(wistron_idev->input, code);
+
+ if (key) {
+ switch (key->type) {
+ case KE_WIFI:
+ if (have_wifi) {
+ wifi_enabled = !wifi_enabled;
+ bios_set_state(WIFI, wifi_enabled);
+ }
+ break;
+
+ case KE_BLUETOOTH:
+ if (have_bluetooth) {
+ bluetooth_enabled = !bluetooth_enabled;
+ bios_set_state(BLUETOOTH, bluetooth_enabled);
+ }
+ break;
+
+ default:
+ sparse_keymap_report_entry(wistron_idev->input,
+ key, 1, true);
+ break;
+ }
+ jiffies_last_press = jiffies;
+ } else
+ printk(KERN_NOTICE
+ "wistron_btns: Unknown key code %02X\n", code);
+}
+
+static void poll_bios(bool discard)
+{
+ u8 qlen;
+ u16 val;
+
+ for (;;) {
+ qlen = CMOS_READ(cmos_address);
+ if (qlen == 0)
+ break;
+ val = bios_pop_queue();
+ if (val != 0 && !discard)
+ handle_key((u8)val);
+ }
+}
+
+static void wistron_flush(struct input_polled_dev *dev)
+{
+ /* Flush stale event queue */
+ poll_bios(true);
+}
+
+static void wistron_poll(struct input_polled_dev *dev)
+{
+ poll_bios(false);
+
+ /* Increase poll frequency if user is currently pressing keys (< 2s ago) */
+ if (time_before(jiffies, jiffies_last_press + 2 * HZ))
+ dev->poll_interval = POLL_INTERVAL_BURST;
+ else
+ dev->poll_interval = POLL_INTERVAL_DEFAULT;
+}
+
+static int wistron_setup_keymap(struct input_dev *dev,
+ struct key_entry *entry)
+{
+ switch (entry->type) {
+
+ /* if wifi or bluetooth are not available, create normal keys */
+ case KE_WIFI:
+ if (!have_wifi) {
+ entry->type = KE_KEY;
+ entry->keycode = KEY_WLAN;
+ }
+ break;
+
+ case KE_BLUETOOTH:
+ if (!have_bluetooth) {
+ entry->type = KE_KEY;
+ entry->keycode = KEY_BLUETOOTH;
+ }
+ break;
+
+ case KE_END:
+ if (entry->code & FE_UNTESTED)
+ printk(KERN_WARNING "Untested laptop multimedia keys, "
+ "please report success or failure to "
+ "eric.piel@tremplin-utc.net\n");
+ break;
+ }
+
+ return 0;
+}
+
+static int setup_input_dev(void)
+{
+ struct input_dev *input_dev;
+ int error;
+
+ wistron_idev = input_allocate_polled_device();
+ if (!wistron_idev)
+ return -ENOMEM;
+
+ wistron_idev->open = wistron_flush;
+ wistron_idev->poll = wistron_poll;
+ wistron_idev->poll_interval = POLL_INTERVAL_DEFAULT;
+
+ input_dev = wistron_idev->input;
+ input_dev->name = "Wistron laptop buttons";
+ input_dev->phys = "wistron/input0";
+ input_dev->id.bustype = BUS_HOST;
+ input_dev->dev.parent = &wistron_device->dev;
+
+ error = sparse_keymap_setup(input_dev, keymap, wistron_setup_keymap);
+ if (error)
+ goto err_free_dev;
+
+ error = input_register_polled_device(wistron_idev);
+ if (error)
+ goto err_free_keymap;
+
+ return 0;
+
+ err_free_keymap:
+ sparse_keymap_free(input_dev);
+ err_free_dev:
+ input_free_polled_device(wistron_idev);
+ return error;
+}
+
+/* Driver core */
+
+static int wistron_probe(struct platform_device *dev)
+{
+ int err;
+
+ bios_attach();
+ cmos_address = bios_get_cmos_address();
+
+ if (have_wifi) {
+ u16 wifi = bios_get_default_setting(WIFI);
+ if (wifi & 1)
+ wifi_enabled = wifi & 2;
+ else
+ have_wifi = 0;
+
+ if (have_wifi)
+ bios_set_state(WIFI, wifi_enabled);
+ }
+
+ if (have_bluetooth) {
+ u16 bt = bios_get_default_setting(BLUETOOTH);
+ if (bt & 1)
+ bluetooth_enabled = bt & 2;
+ else
+ have_bluetooth = false;
+
+ if (have_bluetooth)
+ bios_set_state(BLUETOOTH, bluetooth_enabled);
+ }
+
+ wistron_led_init(&dev->dev);
+
+ err = setup_input_dev();
+ if (err) {
+ bios_detach();
+ return err;
+ }
+
+ return 0;
+}
+
+static int wistron_remove(struct platform_device *dev)
+{
+ wistron_led_remove();
+ input_unregister_polled_device(wistron_idev);
+ sparse_keymap_free(wistron_idev->input);
+ input_free_polled_device(wistron_idev);
+ bios_detach();
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int wistron_suspend(struct device *dev)
+{
+ if (have_wifi)
+ bios_set_state(WIFI, 0);
+
+ if (have_bluetooth)
+ bios_set_state(BLUETOOTH, 0);
+
+ wistron_led_suspend();
+
+ return 0;
+}
+
+static int wistron_resume(struct device *dev)
+{
+ if (have_wifi)
+ bios_set_state(WIFI, wifi_enabled);
+
+ if (have_bluetooth)
+ bios_set_state(BLUETOOTH, bluetooth_enabled);
+
+ wistron_led_resume();
+
+ poll_bios(true);
+
+ return 0;
+}
+
+static const struct dev_pm_ops wistron_pm_ops = {
+ .suspend = wistron_suspend,
+ .resume = wistron_resume,
+ .poweroff = wistron_suspend,
+ .restore = wistron_resume,
+};
+#endif
+
+static struct platform_driver wistron_driver = {
+ .driver = {
+ .name = "wistron-bios",
+#ifdef CONFIG_PM
+ .pm = &wistron_pm_ops,
+#endif
+ },
+ .probe = wistron_probe,
+ .remove = wistron_remove,
+};
+
+static int __init wb_module_init(void)
+{
+ int err;
+
+ err = select_keymap();
+ if (err)
+ return err;
+
+ err = map_bios();
+ if (err)
+ goto err_free_keymap;
+
+ err = platform_driver_register(&wistron_driver);
+ if (err)
+ goto err_unmap_bios;
+
+ wistron_device = platform_device_alloc("wistron-bios", -1);
+ if (!wistron_device) {
+ err = -ENOMEM;
+ goto err_unregister_driver;
+ }
+
+ err = platform_device_add(wistron_device);
+ if (err)
+ goto err_free_device;
+
+ return 0;
+
+ err_free_device:
+ platform_device_put(wistron_device);
+ err_unregister_driver:
+ platform_driver_unregister(&wistron_driver);
+ err_unmap_bios:
+ unmap_bios();
+ err_free_keymap:
+ kfree(keymap);
+
+ return err;
+}
+
+static void __exit wb_module_exit(void)
+{
+ platform_device_unregister(wistron_device);
+ platform_driver_unregister(&wistron_driver);
+ unmap_bios();
+ kfree(keymap);
+}
+
+module_init(wb_module_init);
+module_exit(wb_module_exit);
Code Review / kvmfornfv.git / blobdiff