VServer 1.9.2 (patch-2.6.8.1-vs1.9.2.diff)
[linux-2.6.git] / arch / i386 / kernel / apm.c
index 01b0501..3b1ef4b 100644 (file)
 #include <linux/kernel.h>
 #include <linux/smp.h>
 #include <linux/smp_lock.h>
+#include <linux/dmi.h>
+#include <linux/suspend.h>
 
 #include <asm/system.h>
 #include <asm/uaccess.h>
 #include <asm/desc.h>
-#include <asm/suspend.h>
 
 #include "io_ports.h"
 
@@ -1884,6 +1885,319 @@ static struct miscdevice apm_device = {
        &apm_bios_fops
 };
 
+
+/* Simple "print if true" callback */
+static int __init print_if_true(struct dmi_system_id *d)
+{
+       printk("%s\n", d->ident);
+       return 0;
+}
+
+/*
+ * Some Bioses enable the PS/2 mouse (touchpad) at resume, even if it was
+ * disabled before the suspend. Linux used to get terribly confused by that.
+ */
+static int __init broken_ps2_resume(struct dmi_system_id *d)
+{
+       printk(KERN_INFO "%s machine detected. Mousepad Resume Bug workaround hopefully not needed.\n", d->ident);
+       return 0;
+}
+
+/* Some bioses have a broken protected mode poweroff and need to use realmode */
+static int __init set_realmode_power_off(struct dmi_system_id *d)
+{
+       if (apm_info.realmode_power_off == 0) {
+               apm_info.realmode_power_off = 1;
+               printk(KERN_INFO "%s bios detected. Using realmode poweroff only.\n", d->ident);
+       }
+       return 0;
+}
+
+/* Some laptops require interrupts to be enabled during APM calls */
+static int __init set_apm_ints(struct dmi_system_id *d)
+{
+       if (apm_info.allow_ints == 0) {
+               apm_info.allow_ints = 1;
+               printk(KERN_INFO "%s machine detected. Enabling interrupts during APM calls.\n", d->ident);
+       }
+       return 0;
+}
+
+/* Some APM bioses corrupt memory or just plain do not work */
+static int __init apm_is_horked(struct dmi_system_id *d)
+{
+       if (apm_info.disabled == 0) {
+               apm_info.disabled = 1;
+               printk(KERN_INFO "%s machine detected. Disabling APM.\n", d->ident);
+       }
+       return 0;
+}
+
+static int __init apm_is_horked_d850md(struct dmi_system_id *d)
+{
+       if (apm_info.disabled == 0) {
+               apm_info.disabled = 1;
+               printk(KERN_INFO "%s machine detected. Disabling APM.\n", d->ident);
+               printk(KERN_INFO "This bug is fixed in bios P15 which is available for \n");
+               printk(KERN_INFO "download from support.intel.com \n");
+       }
+       return 0;
+}
+
+/* Some APM bioses hang on APM idle calls */
+static int __init apm_likes_to_melt(struct dmi_system_id *d)
+{
+       if (apm_info.forbid_idle == 0) {
+               apm_info.forbid_idle = 1;
+               printk(KERN_INFO "%s machine detected. Disabling APM idle calls.\n", d->ident);
+       }
+       return 0;
+}
+
+/*
+ *  Check for clue free BIOS implementations who use
+ *  the following QA technique
+ *
+ *      [ Write BIOS Code ]<------
+ *               |                ^
+ *      < Does it Compile >----N--
+ *               |Y               ^
+ *     < Does it Boot Win98 >-N--
+ *               |Y
+ *           [Ship It]
+ *
+ *     Phoenix A04  08/24/2000 is known bad (Dell Inspiron 5000e)
+ *     Phoenix A07  09/29/2000 is known good (Dell Inspiron 5000)
+ */
+static int __init broken_apm_power(struct dmi_system_id *d)
+{
+       apm_info.get_power_status_broken = 1;
+       printk(KERN_WARNING "BIOS strings suggest APM bugs, disabling power status reporting.\n");
+       return 0;
+}
+
+/*
+ * This bios swaps the APM minute reporting bytes over (Many sony laptops
+ * have this problem).
+ */
+static int __init swab_apm_power_in_minutes(struct dmi_system_id *d)
+{
+       apm_info.get_power_status_swabinminutes = 1;
+       printk(KERN_WARNING "BIOS strings suggest APM reports battery life in minutes and wrong byte order.\n");
+       return 0;
+}
+
+static struct dmi_system_id __initdata apm_dmi_table[] = {
+       {
+               print_if_true,
+               KERN_WARNING "IBM T23 - BIOS 1.03b+ and controller firmware 1.02+ may be needed for Linux APM.",
+               {       DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
+                       DMI_MATCH(DMI_BIOS_VERSION, "1AET38WW (1.01b)"), },
+       },
+       {       /* Handle problems with APM on the C600 */
+               broken_ps2_resume, "Dell Latitude C600",
+               {       DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "Latitude C600"), },
+       },
+       {       /* Allow interrupts during suspend on Dell Latitude laptops*/
+               set_apm_ints, "Dell Latitude",
+               {       DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "Latitude C510"), }
+       },
+       {       /* APM crashes */
+               apm_is_horked, "Dell Inspiron 2500",
+               {       DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 2500"),
+                       DMI_MATCH(DMI_BIOS_VENDOR,"Phoenix Technologies LTD"),
+                       DMI_MATCH(DMI_BIOS_VERSION,"A11"), },
+       },
+       {       /* Allow interrupts during suspend on Dell Inspiron laptops*/
+               set_apm_ints, "Dell Inspiron", {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 4000"), },
+       },
+       {       /* Handle problems with APM on Inspiron 5000e */
+               broken_apm_power, "Dell Inspiron 5000e",
+               {       DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
+                       DMI_MATCH(DMI_BIOS_VERSION, "A04"),
+                       DMI_MATCH(DMI_BIOS_DATE, "08/24/2000"), },
+       },
+       {       /* Handle problems with APM on Inspiron 2500 */
+               broken_apm_power, "Dell Inspiron 2500",
+               {       DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
+                       DMI_MATCH(DMI_BIOS_VERSION, "A12"),
+                       DMI_MATCH(DMI_BIOS_DATE, "02/04/2002"), },
+       },
+       {       /* APM crashes */
+               apm_is_horked, "Dell Dimension 4100",
+               {       DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "XPS-Z"),
+                       DMI_MATCH(DMI_BIOS_VENDOR,"Intel Corp."),
+                       DMI_MATCH(DMI_BIOS_VERSION,"A11"), },
+       },
+       {       /* Allow interrupts during suspend on Compaq Laptops*/
+               set_apm_ints, "Compaq 12XL125",
+               {       DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "Compaq PC"),
+                       DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
+                       DMI_MATCH(DMI_BIOS_VERSION,"4.06"), },
+       },
+       {       /* Allow interrupts during APM or the clock goes slow */
+               set_apm_ints, "ASUSTeK",
+               {       DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "L8400K series Notebook PC"), },
+       },
+       {       /* APM blows on shutdown */
+               apm_is_horked, "ABIT KX7-333[R]",
+               {       DMI_MATCH(DMI_BOARD_VENDOR, "ABIT"),
+                       DMI_MATCH(DMI_BOARD_NAME, "VT8367-8233A (KX7-333[R])"), },
+       },
+       {       /* APM crashes */
+               apm_is_horked, "Trigem Delhi3",
+               {       DMI_MATCH(DMI_SYS_VENDOR, "TriGem Computer, Inc"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "Delhi3"), },
+       },
+       {       /* APM crashes */
+               apm_is_horked, "Fujitsu-Siemens",
+               {       DMI_MATCH(DMI_BIOS_VENDOR, "hoenix/FUJITSU SIEMENS"),
+                       DMI_MATCH(DMI_BIOS_VERSION, "Version1.01"), },
+       },
+       {       /* APM crashes */
+               apm_is_horked_d850md, "Intel D850MD",
+               {       DMI_MATCH(DMI_BIOS_VENDOR, "Intel Corp."),
+                       DMI_MATCH(DMI_BIOS_VERSION, "MV85010A.86A.0016.P07.0201251536"), },
+       },
+       {       /* APM crashes */
+               apm_is_horked, "Intel D810EMO",
+               {       DMI_MATCH(DMI_BIOS_VENDOR, "Intel Corp."),
+                       DMI_MATCH(DMI_BIOS_VERSION, "MO81010A.86A.0008.P04.0004170800"), },
+       },
+       {       /* APM crashes */
+               apm_is_horked, "Dell XPS-Z",
+               {       DMI_MATCH(DMI_BIOS_VENDOR, "Intel Corp."),
+                       DMI_MATCH(DMI_BIOS_VERSION, "A11"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "XPS-Z"), },
+       },
+       {       /* APM crashes */
+               apm_is_horked, "Sharp PC-PJ/AX",
+               {       DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "PC-PJ/AX"),
+                       DMI_MATCH(DMI_BIOS_VENDOR,"SystemSoft"),
+                       DMI_MATCH(DMI_BIOS_VERSION,"Version R2.08"), },
+       },
+       {       /* APM crashes */
+               apm_is_horked, "Dell Inspiron 2500",
+               {       DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 2500"),
+                       DMI_MATCH(DMI_BIOS_VENDOR,"Phoenix Technologies LTD"),
+                       DMI_MATCH(DMI_BIOS_VERSION,"A11"), },
+       },
+       {       /* APM idle hangs */
+               apm_likes_to_melt, "Jabil AMD",
+               {       DMI_MATCH(DMI_BIOS_VENDOR, "American Megatrends Inc."),
+                       DMI_MATCH(DMI_BIOS_VERSION, "0AASNP06"), },
+       },
+       {       /* APM idle hangs */
+               apm_likes_to_melt, "AMI Bios",
+               {       DMI_MATCH(DMI_BIOS_VENDOR, "American Megatrends Inc."),
+                       DMI_MATCH(DMI_BIOS_VERSION, "0AASNP05"), },
+       },
+       {       /* Handle problems with APM on Sony Vaio PCG-N505X(DE) */
+               swab_apm_power_in_minutes, "Sony VAIO",
+               {       DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
+                       DMI_MATCH(DMI_BIOS_VERSION, "R0206H"),
+                       DMI_MATCH(DMI_BIOS_DATE, "08/23/99"), },
+       },
+       {       /* Handle problems with APM on Sony Vaio PCG-N505VX */
+               swab_apm_power_in_minutes, "Sony VAIO",
+               {       DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
+                       DMI_MATCH(DMI_BIOS_VERSION, "W2K06H0"),
+                       DMI_MATCH(DMI_BIOS_DATE, "02/03/00"), },
+       },
+       {       /* Handle problems with APM on Sony Vaio PCG-XG29 */
+               swab_apm_power_in_minutes, "Sony VAIO",
+               {       DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
+                       DMI_MATCH(DMI_BIOS_VERSION, "R0117A0"),
+                       DMI_MATCH(DMI_BIOS_DATE, "04/25/00"), },
+       },
+       {       /* Handle problems with APM on Sony Vaio PCG-Z600NE */
+               swab_apm_power_in_minutes, "Sony VAIO",
+               {       DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
+                       DMI_MATCH(DMI_BIOS_VERSION, "R0121Z1"),
+                       DMI_MATCH(DMI_BIOS_DATE, "05/11/00"), },
+       },
+       {       /* Handle problems with APM on Sony Vaio PCG-Z600NE */
+               swab_apm_power_in_minutes, "Sony VAIO",
+               {       DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
+                       DMI_MATCH(DMI_BIOS_VERSION, "WME01Z1"),
+                       DMI_MATCH(DMI_BIOS_DATE, "08/11/00"), },
+       },
+       {       /* Handle problems with APM on Sony Vaio PCG-Z600LEK(DE) */
+               swab_apm_power_in_minutes, "Sony VAIO",
+               {       DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
+                       DMI_MATCH(DMI_BIOS_VERSION, "R0206Z3"),
+                       DMI_MATCH(DMI_BIOS_DATE, "12/25/00"), },
+       },
+       {       /* Handle problems with APM on Sony Vaio PCG-Z505LS */
+               swab_apm_power_in_minutes, "Sony VAIO",
+               {       DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
+                       DMI_MATCH(DMI_BIOS_VERSION, "R0203D0"),
+                       DMI_MATCH(DMI_BIOS_DATE, "05/12/00"), },
+       },
+       {       /* Handle problems with APM on Sony Vaio PCG-Z505LS */
+               swab_apm_power_in_minutes, "Sony VAIO",
+               {       DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
+                       DMI_MATCH(DMI_BIOS_VERSION, "R0203Z3"),
+                       DMI_MATCH(DMI_BIOS_DATE, "08/25/00"), },
+       },
+       {       /* Handle problems with APM on Sony Vaio PCG-Z505LS (with updated BIOS) */
+               swab_apm_power_in_minutes, "Sony VAIO",
+               {       DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
+                       DMI_MATCH(DMI_BIOS_VERSION, "R0209Z3"),
+                       DMI_MATCH(DMI_BIOS_DATE, "05/12/01"), },
+       },
+       {       /* Handle problems with APM on Sony Vaio PCG-F104K */
+               swab_apm_power_in_minutes, "Sony VAIO",
+               {       DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
+                       DMI_MATCH(DMI_BIOS_VERSION, "R0204K2"),
+                       DMI_MATCH(DMI_BIOS_DATE, "08/28/00"), },
+       },
+
+       {       /* Handle problems with APM on Sony Vaio PCG-C1VN/C1VE */
+               swab_apm_power_in_minutes, "Sony VAIO",
+               {       DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
+                       DMI_MATCH(DMI_BIOS_VERSION, "R0208P1"),
+                       DMI_MATCH(DMI_BIOS_DATE, "11/09/00"), },
+       },
+       {       /* Handle problems with APM on Sony Vaio PCG-C1VE */
+               swab_apm_power_in_minutes, "Sony VAIO",
+               {       DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
+                       DMI_MATCH(DMI_BIOS_VERSION, "R0204P1"),
+                       DMI_MATCH(DMI_BIOS_DATE, "09/12/00"), },
+       },
+       {       /* Handle problems with APM on Sony Vaio PCG-C1VE */
+               swab_apm_power_in_minutes, "Sony VAIO",
+               {       DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
+                       DMI_MATCH(DMI_BIOS_VERSION, "WXPO1Z3"),
+                       DMI_MATCH(DMI_BIOS_DATE, "10/26/01"), },
+       },
+       {       /* broken PM poweroff bios */
+               set_realmode_power_off, "Award Software v4.60 PGMA",
+               {       DMI_MATCH(DMI_BIOS_VENDOR, "Award Software International, Inc."),
+                       DMI_MATCH(DMI_BIOS_VERSION, "4.60 PGMA"),
+                       DMI_MATCH(DMI_BIOS_DATE, "134526184"), },
+       },
+
+       /* Generic per vendor APM settings  */
+
+       {       /* Allow interrupts during suspend on IBM laptops */
+               set_apm_ints, "IBM",
+               {       DMI_MATCH(DMI_SYS_VENDOR, "IBM"), },
+       },
+
+       { }
+};
+
 /*
  * Just start the APM thread. We do NOT want to do APM BIOS
  * calls from anything but the APM thread, if for no other reason
@@ -1900,6 +2214,8 @@ static int __init apm_init(void)
        int ret;
        int i;
 
+       dmi_check_system(apm_dmi_table);
+
        if (apm_info.bios.version == 0) {
                printk(KERN_INFO "apm: BIOS not found.\n");
                return -ENODEV;