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Commit 727e6e93 authored by Dave Airlie's avatar Dave Airlie Committed by Dave Airlie
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Merge ../linux-2.6/

parents bdf242ee 889371f6
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Showing with 1083 additions and 272 deletions
Documentation/fb/vesafb.txt
View file @ 727e6e93
......@@ -144,7 +144,21 @@ vgapal Use the standard vga registers for palette changes.
This is the default.
pmipal Use the protected mode interface for palette changes.
mtrr setup memory type range registers for the vesafb framebuffer.
mtrr:n setup memory type range registers for the vesafb framebuffer
where n:
0 - disabled (equivalent to nomtrr)
1 - uncachable
2 - write-back
3 - write-combining (default)
4 - write-through
If you see the following in dmesg, choose the type that matches the
old one. In this example, use "mtrr:2".
...
mtrr: type mismatch for e0000000,8000000 old: write-back new: write-combining
...
nomtrr disable mtrr
vremap:n
remap 'n' MiB of video RAM. If 0 or not specified, remap memory
......
arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
View file @ 727e6e93
......@@ -442,6 +442,13 @@ acpi_cpufreq_cpu_init (
(u32) data->acpi_data.states[i].transition_latency);
cpufreq_frequency_table_get_attr(data->freq_table, policy->cpu);
/*
* the first call to ->target() should result in us actually
* writing something to the appropriate registers.
*/
data->resume = 1;
return (result);
err_freqfree:
......
arch/i386/pci/acpi.c
View file @ 727e6e93
......@@ -30,6 +30,7 @@ static int __init pci_acpi_init(void)
acpi_irq_penalty_init();
pcibios_scanned++;
pcibios_enable_irq = acpi_pci_irq_enable;
pcibios_disable_irq = acpi_pci_irq_disable;
if (pci_routeirq) {
/*
......
arch/i386/pci/common.c
View file @ 727e6e93
......@@ -254,3 +254,9 @@ int pcibios_enable_device(struct pci_dev *dev, int mask)
return pcibios_enable_irq(dev);
}
void pcibios_disable_device (struct pci_dev *dev)
{
if (pcibios_disable_irq)
pcibios_disable_irq(dev);
}
arch/i386/pci/irq.c
View file @ 727e6e93
......@@ -56,6 +56,7 @@ struct irq_router_handler {
};
int (*pcibios_enable_irq)(struct pci_dev *dev) = NULL;
void (*pcibios_disable_irq)(struct pci_dev *dev) = NULL;
/*
* Check passed address for the PCI IRQ Routing Table signature
......
arch/i386/pci/pci.h
View file @ 727e6e93
......@@ -73,3 +73,4 @@ extern int pcibios_scanned;
extern spinlock_t pci_config_lock;
extern int (*pcibios_enable_irq)(struct pci_dev *dev);
extern void (*pcibios_disable_irq)(struct pci_dev *dev);
arch/ppc/kernel/head_44x.S
View file @ 727e6e93
......@@ -179,14 +179,14 @@ skpinv: addi r4,r4,1 /* Increment */
4:
#ifdef CONFIG_SERIAL_TEXT_DEBUG
/*
* Add temporary UART mapping for early debug. This
* mapping must be identical to that used by the early
* bootloader code since the same asm/serial.h parameters
* are used for polled operation.
* Add temporary UART mapping for early debug.
* We can map UART registers wherever we want as long as they don't
* interfere with other system mappings (e.g. with pinned entries).
* For an example of how we handle this - see ocotea.h. --ebs
*/
/* pageid fields */
lis r3,UART0_IO_BASE@h
ori r3,r3,PPC44x_TLB_VALID | PPC44x_TLB_256M
ori r3,r3,PPC44x_TLB_VALID | PPC44x_TLB_4K
/* xlat fields */
lis r4,UART0_PHYS_IO_BASE@h /* RPN depends on SoC */
......@@ -196,7 +196,7 @@ skpinv: addi r4,r4,1 /* Increment */
li r5,0
ori r5,r5,(PPC44x_TLB_SW | PPC44x_TLB_SR | PPC44x_TLB_I | PPC44x_TLB_G)
li r0,1 /* TLB slot 1 */
li r0,0 /* TLB slot 0 */
tlbwe r3,r0,PPC44x_TLB_PAGEID /* Load the pageid fields */
tlbwe r4,r0,PPC44x_TLB_XLAT /* Load the translation fields */
......
arch/ppc/kernel/misc.S
View file @ 727e6e93
......@@ -1451,3 +1451,6 @@ _GLOBAL(sys_call_table)
.long sys_waitid
.long sys_ioprio_set
.long sys_ioprio_get
.long sys_inotify_init /* 275 */
.long sys_inotify_add_watch
.long sys_inotify_rm_watch
arch/ppc/platforms/4xx/ebony.c
View file @ 727e6e93
......@@ -7,7 +7,7 @@
* Copyright 2002-2005 MontaVista Software Inc.
*
* Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
* Copyright (c) 2003, 2004 Zultys Technologies
* Copyright (c) 2003-2005 Zultys Technologies
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
......@@ -50,6 +50,7 @@
#include <asm/bootinfo.h>
#include <asm/ppc4xx_pic.h>
#include <asm/ppcboot.h>
#include <asm/tlbflush.h>
#include <syslib/gen550.h>
#include <syslib/ibm440gp_common.h>
......@@ -248,6 +249,9 @@ ebony_early_serial_map(void)
#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
/* Configure debug serial access */
gen550_init(0, &port);
/* Purge TLB entry added in head_44x.S for early serial access */
_tlbie(UART0_IO_BASE);
#endif
port.membase = ioremap64(PPC440GP_UART1_ADDR, 8);
......
arch/ppc/platforms/4xx/ebony.h
View file @ 727e6e93
......@@ -56,9 +56,18 @@
* Serial port defines
*/
/* OpenBIOS defined UART mappings, used before early_serial_setup */
#if defined(__BOOTER__)
/* OpenBIOS defined UART mappings, used by bootloader shim */
#define UART0_IO_BASE 0xE0000200
#define UART1_IO_BASE 0xE0000300
#else
/* head_44x.S created UART mapping, used before early_serial_setup.
* We cannot use default OpenBIOS UART mappings because they
* don't work for configurations with more than 512M RAM. --ebs
*/
#define UART0_IO_BASE 0xF0000200
#define UART1_IO_BASE 0xF0000300
#endif
/* external Epson SG-615P */
#define BASE_BAUD 691200
......@@ -66,7 +75,7 @@
#define STD_UART_OP(num) \
{ 0, BASE_BAUD, 0, UART##num##_INT, \
(ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST), \
iomem_base: UART##num##_IO_BASE, \
iomem_base: (void*)UART##num##_IO_BASE, \
io_type: SERIAL_IO_MEM},
#define SERIAL_PORT_DFNS \
......
arch/ppc/platforms/4xx/ocotea.c
View file @ 727e6e93
......@@ -48,6 +48,7 @@
#include <asm/bootinfo.h>
#include <asm/ppc4xx_pic.h>
#include <asm/ppcboot.h>
#include <asm/tlbflush.h>
#include <syslib/gen550.h>
#include <syslib/ibm440gx_common.h>
......@@ -266,6 +267,9 @@ ocotea_early_serial_map(void)
#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
/* Configure debug serial access */
gen550_init(0, &port);
/* Purge TLB entry added in head_44x.S for early serial access */
_tlbie(UART0_IO_BASE);
#endif
port.membase = ioremap64(PPC440GX_UART1_ADDR, 8);
......
arch/ppc/platforms/4xx/ocotea.h
View file @ 727e6e93
......@@ -55,15 +55,24 @@
*/
#define RS_TABLE_SIZE 2
/* OpenBIOS defined UART mappings, used before early_serial_setup */
#if defined(__BOOTER__)
/* OpenBIOS defined UART mappings, used by bootloader shim */
#define UART0_IO_BASE 0xE0000200
#define UART1_IO_BASE 0xE0000300
#else
/* head_44x.S created UART mapping, used before early_serial_setup.
* We cannot use default OpenBIOS UART mappings because they
* don't work for configurations with more than 512M RAM. --ebs
*/
#define UART0_IO_BASE 0xF0000200
#define UART1_IO_BASE 0xF0000300
#endif
#define BASE_BAUD 11059200/16
#define STD_UART_OP(num) \
{ 0, BASE_BAUD, 0, UART##num##_INT, \
(ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST), \
iomem_base: UART##num##_IO_BASE, \
iomem_base: (void*)UART##num##_IO_BASE, \
io_type: SERIAL_IO_MEM},
#define SERIAL_PORT_DFNS \
......
arch/ppc64/kernel/misc.S
View file @ 727e6e93
......@@ -1129,6 +1129,9 @@ _GLOBAL(sys_call_table32)
.llong .compat_sys_waitid
.llong .sys32_ioprio_set
.llong .sys32_ioprio_get
.llong .sys_inotify_init /* 275 */
.llong .sys_inotify_add_watch
.llong .sys_inotify_rm_watch
.balign 8
_GLOBAL(sys_call_table)
......@@ -1407,3 +1410,6 @@ _GLOBAL(sys_call_table)
.llong .sys_waitid
.llong .sys_ioprio_set
.llong .sys_ioprio_get
.llong .sys_inotify_init /* 275 */
.llong .sys_inotify_add_watch
.llong .sys_inotify_rm_watch
arch/x86_64/kernel/mpparse.c
View file @ 727e6e93
......@@ -970,8 +970,21 @@ int mp_register_gsi(u32 gsi, int edge_level, int active_high_low)
* due to unused I/O APIC pins.
*/
int irq = gsi;
gsi = pci_irq++;
gsi_to_irq[irq] = gsi;
if (gsi < MAX_GSI_NUM) {
if (gsi > 15)
gsi = pci_irq++;
#ifdef CONFIG_ACPI_BUS
/*
* Don't assign IRQ used by ACPI SCI
*/
if (gsi == acpi_fadt.sci_int)
gsi = pci_irq++;
#endif
gsi_to_irq[irq] = gsi;
} else {
printk(KERN_ERR "GSI %u is too high\n", gsi);
return gsi;
}
}
io_apic_set_pci_routing(ioapic, ioapic_pin, gsi,
......
arch/x86_64/lib/csum-copy.S
View file @ 727e6e93
......@@ -188,8 +188,8 @@ csum_partial_copy_generic:
source
movw (%rdi),%bx
adcl %ebx,%eax
dest
decl %ecx
dest
movw %bx,(%rsi)
leaq 2(%rdi),%rdi
leaq 2(%rsi),%rsi
......
drivers/acpi/ec.c
View file @ 727e6e93
......@@ -59,76 +59,185 @@ ACPI_MODULE_NAME ("acpi_ec")
#define ACPI_EC_DELAY 50 /* Wait 50ms max. during EC ops */
#define ACPI_EC_UDELAY_GLK 1000 /* Wait 1ms max. to get global lock */
#define ACPI_EC_UDELAY 100 /* Poll @ 100us increments */
#define ACPI_EC_UDELAY_COUNT 1000 /* Wait 10ms max. during EC ops */
#define ACPI_EC_COMMAND_READ 0x80
#define ACPI_EC_COMMAND_WRITE 0x81
#define ACPI_EC_BURST_ENABLE 0x82
#define ACPI_EC_BURST_DISABLE 0x83
#define ACPI_EC_COMMAND_QUERY 0x84
static int acpi_ec_add (struct acpi_device *device);
#define EC_POLLING 0xFF
#define EC_BURST 0x00
static int acpi_ec_remove (struct acpi_device *device, int type);
static int acpi_ec_start (struct acpi_device *device);
static int acpi_ec_stop (struct acpi_device *device, int type);
static int acpi_ec_burst_add ( struct acpi_device *device);
static struct acpi_driver acpi_ec_driver = {
.name = ACPI_EC_DRIVER_NAME,
.class = ACPI_EC_CLASS,
.ids = ACPI_EC_HID,
.ops = {
.add = acpi_ec_add,
.add = acpi_ec_burst_add,
.remove = acpi_ec_remove,
.start = acpi_ec_start,
.stop = acpi_ec_stop,
},
};
struct acpi_ec {
acpi_handle handle;
unsigned long uid;
unsigned long gpe_bit;
struct acpi_generic_address status_addr;
struct acpi_generic_address command_addr;
struct acpi_generic_address data_addr;
unsigned long global_lock;
unsigned int expect_event;
atomic_t leaving_burst; /* 0 : No, 1 : Yes, 2: abort*/
atomic_t pending_gpe;
struct semaphore sem;
wait_queue_head_t wait;
union acpi_ec {
struct {
u32 mode;
acpi_handle handle;
unsigned long uid;
unsigned long gpe_bit;
struct acpi_generic_address status_addr;
struct acpi_generic_address command_addr;
struct acpi_generic_address data_addr;
unsigned long global_lock;
} common;
struct {
u32 mode;
acpi_handle handle;
unsigned long uid;
unsigned long gpe_bit;
struct acpi_generic_address status_addr;
struct acpi_generic_address command_addr;
struct acpi_generic_address data_addr;
unsigned long global_lock;
unsigned int expect_event;
atomic_t leaving_burst; /* 0 : No, 1 : Yes, 2: abort*/
atomic_t pending_gpe;
struct semaphore sem;
wait_queue_head_t wait;
}burst;
struct {
u32 mode;
acpi_handle handle;
unsigned long uid;
unsigned long gpe_bit;
struct acpi_generic_address status_addr;
struct acpi_generic_address command_addr;
struct acpi_generic_address data_addr;
unsigned long global_lock;
spinlock_t lock;
}polling;
};
static int acpi_ec_polling_wait ( union acpi_ec *ec, u8 event);
static int acpi_ec_burst_wait(union acpi_ec *ec, unsigned int event);
static int acpi_ec_polling_read ( union acpi_ec *ec, u8 address, u32 *data);
static int acpi_ec_burst_read( union acpi_ec *ec, u8 address, u32 *data);
static int acpi_ec_polling_write ( union acpi_ec *ec, u8 address, u8 data);
static int acpi_ec_burst_write ( union acpi_ec *ec, u8 address, u8 data);
static int acpi_ec_polling_query ( union acpi_ec *ec, u32 *data);
static int acpi_ec_burst_query ( union acpi_ec *ec, u32 *data);
static void acpi_ec_gpe_polling_query ( void *ec_cxt);
static void acpi_ec_gpe_burst_query ( void *ec_cxt);
static u32 acpi_ec_gpe_polling_handler ( void *data);
static u32 acpi_ec_gpe_burst_handler ( void *data);
static acpi_status __init
acpi_fake_ecdt_polling_callback (
acpi_handle handle,
u32 Level,
void *context,
void **retval);
static acpi_status __init
acpi_fake_ecdt_burst_callback (
acpi_handle handle,
u32 Level,
void *context,
void **retval);
static int __init
acpi_ec_polling_get_real_ecdt(void);
static int __init
acpi_ec_burst_get_real_ecdt(void);
/* If we find an EC via the ECDT, we need to keep a ptr to its context */
static struct acpi_ec *ec_ecdt;
static union acpi_ec *ec_ecdt;
/* External interfaces use first EC only, so remember */
static struct acpi_device *first_ec;
static int acpi_ec_polling_mode;
/* --------------------------------------------------------------------------
Transaction Management
-------------------------------------------------------------------------- */
static inline u32 acpi_ec_read_status(struct acpi_ec *ec)
static inline u32 acpi_ec_read_status(union acpi_ec *ec)
{
u32 status = 0;
acpi_hw_low_level_read(8, &status, &ec->status_addr);
acpi_hw_low_level_read(8, &status, &ec->common.status_addr);
return status;
}
static int acpi_ec_wait(struct acpi_ec *ec, unsigned int event)
static int
acpi_ec_wait (
union acpi_ec *ec,
u8 event)
{
if (acpi_ec_polling_mode)
return acpi_ec_polling_wait (ec, event);
else
return acpi_ec_burst_wait (ec, event);
}
static int
acpi_ec_polling_wait (
union acpi_ec *ec,
u8 event)
{
u32 acpi_ec_status = 0;
u32 i = ACPI_EC_UDELAY_COUNT;
if (!ec)
return -EINVAL;
/* Poll the EC status register waiting for the event to occur. */
switch (event) {
case ACPI_EC_EVENT_OBF:
do {
acpi_hw_low_level_read(8, &acpi_ec_status, &ec->common.status_addr);
if (acpi_ec_status & ACPI_EC_FLAG_OBF)
return 0;
udelay(ACPI_EC_UDELAY);
} while (--i>0);
break;
case ACPI_EC_EVENT_IBE:
do {
acpi_hw_low_level_read(8, &acpi_ec_status, &ec->common.status_addr);
if (!(acpi_ec_status & ACPI_EC_FLAG_IBF))
return 0;
udelay(ACPI_EC_UDELAY);
} while (--i>0);
break;
default:
return -EINVAL;
}
return -ETIME;
}
static int acpi_ec_burst_wait(union acpi_ec *ec, unsigned int event)
{
int result = 0;
ACPI_FUNCTION_TRACE("acpi_ec_wait");
ec->expect_event = event;
ec->burst.expect_event = event;
smp_mb();
result = wait_event_interruptible_timeout(ec->wait,
!ec->expect_event,
result = wait_event_interruptible_timeout(ec->burst.wait,
!ec->burst.expect_event,
msecs_to_jiffies(ACPI_EC_DELAY));
ec->expect_event = 0;
ec->burst.expect_event = 0;
smp_mb();
if (result < 0){
......@@ -160,7 +269,7 @@ static int acpi_ec_wait(struct acpi_ec *ec, unsigned int event)
static int
acpi_ec_enter_burst_mode (
struct acpi_ec *ec)
union acpi_ec *ec)
{
u32 tmp = 0;
int status = 0;
......@@ -170,43 +279,43 @@ acpi_ec_enter_burst_mode (
status = acpi_ec_read_status(ec);
if (status != -EINVAL &&
!(status & ACPI_EC_FLAG_BURST)){
acpi_hw_low_level_write(8, ACPI_EC_BURST_ENABLE, &ec->command_addr);
acpi_hw_low_level_write(8, ACPI_EC_BURST_ENABLE, &ec->common.command_addr);
status = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF);
if (status){
acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
acpi_enable_gpe(NULL, ec->common.gpe_bit, ACPI_NOT_ISR);
return_VALUE(-EINVAL);
}
acpi_hw_low_level_read(8, &tmp, &ec->data_addr);
acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
acpi_hw_low_level_read(8, &tmp, &ec->common.data_addr);
acpi_enable_gpe(NULL, ec->common.gpe_bit, ACPI_NOT_ISR);
if(tmp != 0x90 ) {/* Burst ACK byte*/
return_VALUE(-EINVAL);
}
}
atomic_set(&ec->leaving_burst , 0);
atomic_set(&ec->burst.leaving_burst , 0);
return_VALUE(0);
}
static int
acpi_ec_leave_burst_mode (
struct acpi_ec *ec)
union acpi_ec *ec)
{
int status =0;
ACPI_FUNCTION_TRACE("acpi_ec_leave_burst_mode");
atomic_set(&ec->leaving_burst , 1);
atomic_set(&ec->burst.leaving_burst , 1);
status = acpi_ec_read_status(ec);
if (status != -EINVAL &&
(status & ACPI_EC_FLAG_BURST)){
acpi_hw_low_level_write(8, ACPI_EC_BURST_DISABLE, &ec->command_addr);
acpi_hw_low_level_write(8, ACPI_EC_BURST_DISABLE, &ec->common.command_addr);
status = acpi_ec_wait(ec, ACPI_EC_FLAG_IBF);
if (status){
acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
acpi_enable_gpe(NULL, ec->common.gpe_bit, ACPI_NOT_ISR);
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,"------->wait fail\n"));
return_VALUE(-EINVAL);
}
acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
acpi_enable_gpe(NULL, ec->common.gpe_bit, ACPI_NOT_ISR);
status = acpi_ec_read_status(ec);
}
......@@ -215,7 +324,131 @@ acpi_ec_leave_burst_mode (
static int
acpi_ec_read (
struct acpi_ec *ec,
union acpi_ec *ec,
u8 address,
u32 *data)
{
if (acpi_ec_polling_mode)
return acpi_ec_polling_read(ec, address, data);
else
return acpi_ec_burst_read(ec, address, data);
}
static int
acpi_ec_write (
union acpi_ec *ec,
u8 address,
u8 data)
{
if (acpi_ec_polling_mode)
return acpi_ec_polling_write(ec, address, data);
else
return acpi_ec_burst_write(ec, address, data);
}
static int
acpi_ec_polling_read (
union acpi_ec *ec,
u8 address,
u32 *data)
{
acpi_status status = AE_OK;
int result = 0;
unsigned long flags = 0;
u32 glk = 0;
ACPI_FUNCTION_TRACE("acpi_ec_read");
if (!ec || !data)
return_VALUE(-EINVAL);
*data = 0;
if (ec->common.global_lock) {
status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk);
if (ACPI_FAILURE(status))
return_VALUE(-ENODEV);
}
spin_lock_irqsave(&ec->polling.lock, flags);
acpi_hw_low_level_write(8, ACPI_EC_COMMAND_READ, &ec->common.command_addr);
result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBE);
if (result)
goto end;
acpi_hw_low_level_write(8, address, &ec->common.data_addr);
result = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF);
if (result)
goto end;
acpi_hw_low_level_read(8, data, &ec->common.data_addr);
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Read [%02x] from address [%02x]\n",
*data, address));
end:
spin_unlock_irqrestore(&ec->polling.lock, flags);
if (ec->common.global_lock)
acpi_release_global_lock(glk);
return_VALUE(result);
}
static int
acpi_ec_polling_write (
union acpi_ec *ec,
u8 address,
u8 data)
{
int result = 0;
acpi_status status = AE_OK;
unsigned long flags = 0;
u32 glk = 0;
ACPI_FUNCTION_TRACE("acpi_ec_write");
if (!ec)
return_VALUE(-EINVAL);
if (ec->common.global_lock) {
status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk);
if (ACPI_FAILURE(status))
return_VALUE(-ENODEV);
}
spin_lock_irqsave(&ec->polling.lock, flags);
acpi_hw_low_level_write(8, ACPI_EC_COMMAND_WRITE, &ec->common.command_addr);
result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBE);
if (result)
goto end;
acpi_hw_low_level_write(8, address, &ec->common.data_addr);
result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBE);
if (result)
goto end;
acpi_hw_low_level_write(8, data, &ec->common.data_addr);
result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBE);
if (result)
goto end;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Wrote [%02x] to address [%02x]\n",
data, address));
end:
spin_unlock_irqrestore(&ec->polling.lock, flags);
if (ec->common.global_lock)
acpi_release_global_lock(glk);
return_VALUE(result);
}
static int
acpi_ec_burst_read (
union acpi_ec *ec,
u8 address,
u32 *data)
{
......@@ -230,51 +463,51 @@ acpi_ec_read (
retry:
*data = 0;
if (ec->global_lock) {
if (ec->common.global_lock) {
status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk);
if (ACPI_FAILURE(status))
return_VALUE(-ENODEV);
}
WARN_ON(in_interrupt());
down(&ec->sem);
down(&ec->burst.sem);
if(acpi_ec_enter_burst_mode(ec))
goto end;
acpi_hw_low_level_write(8, ACPI_EC_COMMAND_READ, &ec->command_addr);
acpi_hw_low_level_write(8, ACPI_EC_COMMAND_READ, &ec->common.command_addr);
status = acpi_ec_wait(ec, ACPI_EC_EVENT_IBE);
acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
acpi_enable_gpe(NULL, ec->common.gpe_bit, ACPI_NOT_ISR);
if (status) {
goto end;
}
acpi_hw_low_level_write(8, address, &ec->data_addr);
acpi_hw_low_level_write(8, address, &ec->common.data_addr);
status= acpi_ec_wait(ec, ACPI_EC_EVENT_OBF);
if (status){
acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
acpi_enable_gpe(NULL, ec->common.gpe_bit, ACPI_NOT_ISR);
goto end;
}
acpi_hw_low_level_read(8, data, &ec->data_addr);
acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
acpi_hw_low_level_read(8, data, &ec->common.data_addr);
acpi_enable_gpe(NULL, ec->common.gpe_bit, ACPI_NOT_ISR);
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Read [%02x] from address [%02x]\n",
*data, address));
end:
acpi_ec_leave_burst_mode(ec);
up(&ec->sem);
up(&ec->burst.sem);
if (ec->global_lock)
if (ec->common.global_lock)
acpi_release_global_lock(glk);
if(atomic_read(&ec->leaving_burst) == 2){
if(atomic_read(&ec->burst.leaving_burst) == 2){
ACPI_DEBUG_PRINT((ACPI_DB_INFO,"aborted, retry ...\n"));
while(atomic_read(&ec->pending_gpe)){
while(atomic_read(&ec->burst.pending_gpe)){
msleep(1);
}
acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
acpi_enable_gpe(NULL, ec->common.gpe_bit, ACPI_NOT_ISR);
goto retry;
}
......@@ -283,8 +516,8 @@ acpi_ec_read (
static int
acpi_ec_write (
struct acpi_ec *ec,
acpi_ec_burst_write (
union acpi_ec *ec,
u8 address,
u8 data)
{
......@@ -297,14 +530,14 @@ acpi_ec_write (
if (!ec)
return_VALUE(-EINVAL);
retry:
if (ec->global_lock) {
if (ec->common.global_lock) {
status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk);
if (ACPI_FAILURE(status))
return_VALUE(-ENODEV);
}
WARN_ON(in_interrupt());
down(&ec->sem);
down(&ec->burst.sem);
if(acpi_ec_enter_burst_mode(ec))
goto end;
......@@ -312,33 +545,33 @@ acpi_ec_write (
status = acpi_ec_read_status(ec);
if (status != -EINVAL &&
!(status & ACPI_EC_FLAG_BURST)){
acpi_hw_low_level_write(8, ACPI_EC_BURST_ENABLE, &ec->command_addr);
acpi_hw_low_level_write(8, ACPI_EC_BURST_ENABLE, &ec->common.command_addr);
status = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF);
if (status)
goto end;
acpi_hw_low_level_read(8, &tmp, &ec->data_addr);
acpi_hw_low_level_read(8, &tmp, &ec->common.data_addr);
if(tmp != 0x90 ) /* Burst ACK byte*/
goto end;
}
/*Now we are in burst mode*/
acpi_hw_low_level_write(8, ACPI_EC_COMMAND_WRITE, &ec->command_addr);
acpi_hw_low_level_write(8, ACPI_EC_COMMAND_WRITE, &ec->common.command_addr);
status = acpi_ec_wait(ec, ACPI_EC_EVENT_IBE);
acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
acpi_enable_gpe(NULL, ec->common.gpe_bit, ACPI_NOT_ISR);
if (status){
goto end;
}
acpi_hw_low_level_write(8, address, &ec->data_addr);
acpi_hw_low_level_write(8, address, &ec->common.data_addr);
status = acpi_ec_wait(ec, ACPI_EC_EVENT_IBE);
if (status){
acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
acpi_enable_gpe(NULL, ec->common.gpe_bit, ACPI_NOT_ISR);
goto end;
}
acpi_hw_low_level_write(8, data, &ec->data_addr);
acpi_hw_low_level_write(8, data, &ec->common.data_addr);
status = acpi_ec_wait(ec, ACPI_EC_EVENT_IBE);
acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
acpi_enable_gpe(NULL, ec->common.gpe_bit, ACPI_NOT_ISR);
if (status)
goto end;
......@@ -347,17 +580,17 @@ acpi_ec_write (
end:
acpi_ec_leave_burst_mode(ec);
up(&ec->sem);
up(&ec->burst.sem);
if (ec->global_lock)
if (ec->common.global_lock)
acpi_release_global_lock(glk);
if(atomic_read(&ec->leaving_burst) == 2){
if(atomic_read(&ec->burst.leaving_burst) == 2){
ACPI_DEBUG_PRINT((ACPI_DB_INFO,"aborted, retry ...\n"));
while(atomic_read(&ec->pending_gpe)){
while(atomic_read(&ec->burst.pending_gpe)){
msleep(1);
}
acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
acpi_enable_gpe(NULL, ec->common.gpe_bit, ACPI_NOT_ISR);
goto retry;
}
......@@ -370,7 +603,7 @@ acpi_ec_write (
int
ec_read(u8 addr, u8 *val)
{
struct acpi_ec *ec;
union acpi_ec *ec;
int err;
u32 temp_data;
......@@ -393,7 +626,7 @@ EXPORT_SYMBOL(ec_read);
int
ec_write(u8 addr, u8 val)
{
struct acpi_ec *ec;
union acpi_ec *ec;
int err;
if (!first_ec)
......@@ -407,10 +640,66 @@ ec_write(u8 addr, u8 val)
}
EXPORT_SYMBOL(ec_write);
static int
acpi_ec_query (
struct acpi_ec *ec,
union acpi_ec *ec,
u32 *data)
{
if (acpi_ec_polling_mode)
return acpi_ec_polling_query(ec, data);
else
return acpi_ec_burst_query(ec, data);
}
static int
acpi_ec_polling_query (
union acpi_ec *ec,
u32 *data)
{
int result = 0;
acpi_status status = AE_OK;
unsigned long flags = 0;
u32 glk = 0;
ACPI_FUNCTION_TRACE("acpi_ec_query");
if (!ec || !data)
return_VALUE(-EINVAL);
*data = 0;
if (ec->common.global_lock) {
status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk);
if (ACPI_FAILURE(status))
return_VALUE(-ENODEV);
}
/*
* Query the EC to find out which _Qxx method we need to evaluate.
* Note that successful completion of the query causes the ACPI_EC_SCI
* bit to be cleared (and thus clearing the interrupt source).
*/
spin_lock_irqsave(&ec->polling.lock, flags);
acpi_hw_low_level_write(8, ACPI_EC_COMMAND_QUERY, &ec->common.command_addr);
result = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF);
if (result)
goto end;
acpi_hw_low_level_read(8, data, &ec->common.data_addr);
if (!*data)
result = -ENODATA;
end:
spin_unlock_irqrestore(&ec->polling.lock, flags);
if (ec->common.global_lock)
acpi_release_global_lock(glk);
return_VALUE(result);
}
static int
acpi_ec_burst_query (
union acpi_ec *ec,
u32 *data)
{
int status = 0;
......@@ -422,13 +711,13 @@ acpi_ec_query (
return_VALUE(-EINVAL);
*data = 0;
if (ec->global_lock) {
if (ec->common.global_lock) {
status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk);
if (ACPI_FAILURE(status))
return_VALUE(-ENODEV);
}
down(&ec->sem);
down(&ec->burst.sem);
if(acpi_ec_enter_burst_mode(ec))
goto end;
/*
......@@ -436,28 +725,28 @@ acpi_ec_query (
* Note that successful completion of the query causes the ACPI_EC_SCI
* bit to be cleared (and thus clearing the interrupt source).
*/
acpi_hw_low_level_write(8, ACPI_EC_COMMAND_QUERY, &ec->command_addr);
acpi_hw_low_level_write(8, ACPI_EC_COMMAND_QUERY, &ec->common.command_addr);
status = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF);
if (status){
acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
acpi_enable_gpe(NULL, ec->common.gpe_bit, ACPI_NOT_ISR);
goto end;
}
acpi_hw_low_level_read(8, data, &ec->data_addr);
acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
acpi_hw_low_level_read(8, data, &ec->common.data_addr);
acpi_enable_gpe(NULL, ec->common.gpe_bit, ACPI_NOT_ISR);
if (!*data)
status = -ENODATA;
end:
acpi_ec_leave_burst_mode(ec);
up(&ec->sem);
up(&ec->burst.sem);
if (ec->global_lock)
if (ec->common.global_lock)
acpi_release_global_lock(glk);
if(atomic_read(&ec->leaving_burst) == 2){
if(atomic_read(&ec->burst.leaving_burst) == 2){
ACPI_DEBUG_PRINT((ACPI_DB_INFO,"aborted, retry ...\n"));
acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
acpi_enable_gpe(NULL, ec->common.gpe_bit, ACPI_NOT_ISR);
status = -ENODATA;
}
return_VALUE(status);
......@@ -468,7 +757,7 @@ acpi_ec_query (
Event Management
-------------------------------------------------------------------------- */
struct acpi_ec_query_data {
union acpi_ec_query_data {
acpi_handle handle;
u8 data;
};
......@@ -477,7 +766,59 @@ static void
acpi_ec_gpe_query (
void *ec_cxt)
{
struct acpi_ec *ec = (struct acpi_ec *) ec_cxt;
if (acpi_ec_polling_mode)
acpi_ec_gpe_polling_query(ec_cxt);
else
acpi_ec_gpe_burst_query(ec_cxt);
}
static void
acpi_ec_gpe_polling_query (
void *ec_cxt)
{
union acpi_ec *ec = (union acpi_ec *) ec_cxt;
u32 value = 0;
unsigned long flags = 0;
static char object_name[5] = {'_','Q','0','0','\0'};
const char hex[] = {'0','1','2','3','4','5','6','7',
'8','9','A','B','C','D','E','F'};
ACPI_FUNCTION_TRACE("acpi_ec_gpe_query");
if (!ec_cxt)
goto end;
spin_lock_irqsave(&ec->polling.lock, flags);
acpi_hw_low_level_read(8, &value, &ec->common.command_addr);
spin_unlock_irqrestore(&ec->polling.lock, flags);
/* TBD: Implement asynch events!
* NOTE: All we care about are EC-SCI's. Other EC events are
* handled via polling (yuck!). This is because some systems
* treat EC-SCIs as level (versus EDGE!) triggered, preventing
* a purely interrupt-driven approach (grumble, grumble).
*/
if (!(value & ACPI_EC_FLAG_SCI))
goto end;
if (acpi_ec_query(ec, &value))
goto end;
object_name[2] = hex[((value >> 4) & 0x0F)];
object_name[3] = hex[(value & 0x0F)];
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Evaluating %s\n", object_name));
acpi_evaluate_object(ec->common.handle, object_name, NULL, NULL);
end:
acpi_enable_gpe(NULL, ec->common.gpe_bit, ACPI_NOT_ISR);
}
static void
acpi_ec_gpe_burst_query (
void *ec_cxt)
{
union acpi_ec *ec = (union acpi_ec *) ec_cxt;
u32 value;
int result = -ENODATA;
static char object_name[5] = {'_','Q','0','0','\0'};
......@@ -497,58 +838,87 @@ acpi_ec_gpe_query (
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Evaluating %s\n", object_name));
acpi_evaluate_object(ec->handle, object_name, NULL, NULL);
acpi_evaluate_object(ec->common.handle, object_name, NULL, NULL);
end:
atomic_dec(&ec->pending_gpe);
atomic_dec(&ec->burst.pending_gpe);
return;
}
static u32
acpi_ec_gpe_handler (
void *data)
{
if (acpi_ec_polling_mode)
return acpi_ec_gpe_polling_handler(data);
else
return acpi_ec_gpe_burst_handler(data);
}
static u32
acpi_ec_gpe_polling_handler (
void *data)
{
acpi_status status = AE_OK;
union acpi_ec *ec = (union acpi_ec *) data;
if (!ec)
return ACPI_INTERRUPT_NOT_HANDLED;
acpi_disable_gpe(NULL, ec->common.gpe_bit, ACPI_ISR);
status = acpi_os_queue_for_execution(OSD_PRIORITY_GPE,
acpi_ec_gpe_query, ec);
if (status == AE_OK)
return ACPI_INTERRUPT_HANDLED;
else
return ACPI_INTERRUPT_NOT_HANDLED;
}
static u32
acpi_ec_gpe_burst_handler (
void *data)
{
acpi_status status = AE_OK;
u32 value;
struct acpi_ec *ec = (struct acpi_ec *) data;
union acpi_ec *ec = (union acpi_ec *) data;
if (!ec)
return ACPI_INTERRUPT_NOT_HANDLED;
acpi_disable_gpe(NULL, ec->gpe_bit, ACPI_ISR);
acpi_disable_gpe(NULL, ec->common.gpe_bit, ACPI_ISR);
value = acpi_ec_read_status(ec);
if((value & ACPI_EC_FLAG_IBF) &&
!(value & ACPI_EC_FLAG_BURST) &&
(atomic_read(&ec->leaving_burst) == 0)) {
(atomic_read(&ec->burst.leaving_burst) == 0)) {
/*
* the embedded controller disables
* burst mode for any reason other
* than the burst disable command
* to process critical event.
*/
atomic_set(&ec->leaving_burst , 2); /* block current pending transaction
atomic_set(&ec->burst.leaving_burst , 2); /* block current pending transaction
and retry */
wake_up(&ec->wait);
wake_up(&ec->burst.wait);
}else {
if ((ec->expect_event == ACPI_EC_EVENT_OBF &&
if ((ec->burst.expect_event == ACPI_EC_EVENT_OBF &&
(value & ACPI_EC_FLAG_OBF)) ||
(ec->expect_event == ACPI_EC_EVENT_IBE &&
(ec->burst.expect_event == ACPI_EC_EVENT_IBE &&
!(value & ACPI_EC_FLAG_IBF))) {
ec->expect_event = 0;
wake_up(&ec->wait);
ec->burst.expect_event = 0;
wake_up(&ec->burst.wait);
return ACPI_INTERRUPT_HANDLED;
}
}
if (value & ACPI_EC_FLAG_SCI){
atomic_add(1, &ec->pending_gpe) ;
atomic_add(1, &ec->burst.pending_gpe) ;
status = acpi_os_queue_for_execution(OSD_PRIORITY_GPE,
acpi_ec_gpe_query, ec);
return status == AE_OK ?
ACPI_INTERRUPT_HANDLED : ACPI_INTERRUPT_NOT_HANDLED;
}
acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_ISR);
acpi_enable_gpe(NULL, ec->common.gpe_bit, ACPI_ISR);
return status == AE_OK ?
ACPI_INTERRUPT_HANDLED : ACPI_INTERRUPT_NOT_HANDLED;
}
......@@ -585,7 +955,7 @@ acpi_ec_space_handler (
void *region_context)
{
int result = 0;
struct acpi_ec *ec = NULL;
union acpi_ec *ec = NULL;
u64 temp = *value;
acpi_integer f_v = 0;
int i = 0;
......@@ -600,7 +970,7 @@ acpi_ec_space_handler (
return_VALUE(AE_BAD_PARAMETER);
}
ec = (struct acpi_ec *) handler_context;
ec = (union acpi_ec *) handler_context;
next_byte:
switch (function) {
......@@ -661,7 +1031,7 @@ static struct proc_dir_entry *acpi_ec_dir;
static int
acpi_ec_read_info (struct seq_file *seq, void *offset)
{
struct acpi_ec *ec = (struct acpi_ec *) seq->private;
union acpi_ec *ec = (union acpi_ec *) seq->private;
ACPI_FUNCTION_TRACE("acpi_ec_read_info");
......@@ -669,12 +1039,12 @@ acpi_ec_read_info (struct seq_file *seq, void *offset)
goto end;
seq_printf(seq, "gpe bit: 0x%02x\n",
(u32) ec->gpe_bit);
(u32) ec->common.gpe_bit);
seq_printf(seq, "ports: 0x%02x, 0x%02x\n",
(u32) ec->status_addr.address, (u32) ec->data_addr.address);
(u32) ec->common.status_addr.address, (u32) ec->common.data_addr.address);
seq_printf(seq, "use global lock: %s\n",
ec->global_lock?"yes":"no");
acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR);
ec->common.global_lock?"yes":"no");
acpi_enable_gpe(NULL, ec->common.gpe_bit, ACPI_NOT_ISR);
end:
return_VALUE(0);
......@@ -697,7 +1067,7 @@ static int
acpi_ec_add_fs (
struct acpi_device *device)
{
struct proc_dir_entry *entry;
struct proc_dir_entry *entry = NULL;
ACPI_FUNCTION_TRACE("acpi_ec_add_fs");
......@@ -744,13 +1114,82 @@ acpi_ec_remove_fs (
Driver Interface
-------------------------------------------------------------------------- */
static int
acpi_ec_add (
acpi_ec_polling_add (
struct acpi_device *device)
{
int result;
acpi_status status;
struct acpi_ec *ec;
int result = 0;
acpi_status status = AE_OK;
union acpi_ec *ec = NULL;
unsigned long uid;
ACPI_FUNCTION_TRACE("acpi_ec_add");
if (!device)
return_VALUE(-EINVAL);
ec = kmalloc(sizeof(union acpi_ec), GFP_KERNEL);
if (!ec)
return_VALUE(-ENOMEM);
memset(ec, 0, sizeof(union acpi_ec));
ec->common.handle = device->handle;
ec->common.uid = -1;
spin_lock_init(&ec->polling.lock);
strcpy(acpi_device_name(device), ACPI_EC_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_EC_CLASS);
acpi_driver_data(device) = ec;
/* Use the global lock for all EC transactions? */
acpi_evaluate_integer(ec->common.handle, "_GLK", NULL, &ec->common.global_lock);
/* If our UID matches the UID for the ECDT-enumerated EC,
we now have the *real* EC info, so kill the makeshift one.*/
acpi_evaluate_integer(ec->common.handle, "_UID", NULL, &uid);
if (ec_ecdt && ec_ecdt->common.uid == uid) {
acpi_remove_address_space_handler(ACPI_ROOT_OBJECT,
ACPI_ADR_SPACE_EC, &acpi_ec_space_handler);
acpi_remove_gpe_handler(NULL, ec_ecdt->common.gpe_bit, &acpi_ec_gpe_handler);
kfree(ec_ecdt);
}
/* Get GPE bit assignment (EC events). */
/* TODO: Add support for _GPE returning a package */
status = acpi_evaluate_integer(ec->common.handle, "_GPE", NULL, &ec->common.gpe_bit);
if (ACPI_FAILURE(status)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Error obtaining GPE bit assignment\n"));
result = -ENODEV;
goto end;
}
result = acpi_ec_add_fs(device);
if (result)
goto end;
printk(KERN_INFO PREFIX "%s [%s] (gpe %d)\n",
acpi_device_name(device), acpi_device_bid(device),
(u32) ec->common.gpe_bit);
if (!first_ec)
first_ec = device;
end:
if (result)
kfree(ec);
return_VALUE(result);
}
static int
acpi_ec_burst_add (
struct acpi_device *device)
{
int result = 0;
acpi_status status = AE_OK;
union acpi_ec *ec = NULL;
unsigned long uid;
ACPI_FUNCTION_TRACE("acpi_ec_add");
......@@ -758,39 +1197,39 @@ acpi_ec_add (
if (!device)
return_VALUE(-EINVAL);
ec = kmalloc(sizeof(struct acpi_ec), GFP_KERNEL);
ec = kmalloc(sizeof(union acpi_ec), GFP_KERNEL);
if (!ec)
return_VALUE(-ENOMEM);
memset(ec, 0, sizeof(struct acpi_ec));
ec->handle = device->handle;
ec->uid = -1;
atomic_set(&ec->pending_gpe, 0);
atomic_set(&ec->leaving_burst , 1);
init_MUTEX(&ec->sem);
init_waitqueue_head(&ec->wait);
memset(ec, 0, sizeof(union acpi_ec));
ec->common.handle = device->handle;
ec->common.uid = -1;
atomic_set(&ec->burst.pending_gpe, 0);
atomic_set(&ec->burst.leaving_burst , 1);
init_MUTEX(&ec->burst.sem);
init_waitqueue_head(&ec->burst.wait);
strcpy(acpi_device_name(device), ACPI_EC_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_EC_CLASS);
acpi_driver_data(device) = ec;
/* Use the global lock for all EC transactions? */
acpi_evaluate_integer(ec->handle, "_GLK", NULL, &ec->global_lock);
acpi_evaluate_integer(ec->common.handle, "_GLK", NULL, &ec->common.global_lock);
/* If our UID matches the UID for the ECDT-enumerated EC,
we now have the *real* EC info, so kill the makeshift one.*/
acpi_evaluate_integer(ec->handle, "_UID", NULL, &uid);
if (ec_ecdt && ec_ecdt->uid == uid) {
acpi_evaluate_integer(ec->common.handle, "_UID", NULL, &uid);
if (ec_ecdt && ec_ecdt->common.uid == uid) {
acpi_remove_address_space_handler(ACPI_ROOT_OBJECT,
ACPI_ADR_SPACE_EC, &acpi_ec_space_handler);
acpi_remove_gpe_handler(NULL, ec_ecdt->gpe_bit, &acpi_ec_gpe_handler);
acpi_remove_gpe_handler(NULL, ec_ecdt->common.gpe_bit, &acpi_ec_gpe_handler);
kfree(ec_ecdt);
}
/* Get GPE bit assignment (EC events). */
/* TODO: Add support for _GPE returning a package */
status = acpi_evaluate_integer(ec->handle, "_GPE", NULL, &ec->gpe_bit);
status = acpi_evaluate_integer(ec->common.handle, "_GPE", NULL, &ec->common.gpe_bit);
if (ACPI_FAILURE(status)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Error obtaining GPE bit assignment\n"));
......@@ -804,7 +1243,7 @@ acpi_ec_add (
printk(KERN_INFO PREFIX "%s [%s] (gpe %d)\n",
acpi_device_name(device), acpi_device_bid(device),
(u32) ec->gpe_bit);
(u32) ec->common.gpe_bit);
if (!first_ec)
first_ec = device;
......@@ -822,7 +1261,7 @@ acpi_ec_remove (
struct acpi_device *device,
int type)
{
struct acpi_ec *ec;
union acpi_ec *ec = NULL;
ACPI_FUNCTION_TRACE("acpi_ec_remove");
......@@ -844,7 +1283,7 @@ acpi_ec_io_ports (
struct acpi_resource *resource,
void *context)
{
struct acpi_ec *ec = (struct acpi_ec *) context;
union acpi_ec *ec = (union acpi_ec *) context;
struct acpi_generic_address *addr;
if (resource->id != ACPI_RSTYPE_IO) {
......@@ -856,10 +1295,10 @@ acpi_ec_io_ports (
* the second address region returned is the status/command
* port.
*/
if (ec->data_addr.register_bit_width == 0) {
addr = &ec->data_addr;
} else if (ec->command_addr.register_bit_width == 0) {
addr = &ec->command_addr;
if (ec->common.data_addr.register_bit_width == 0) {
addr = &ec->common.data_addr;
} else if (ec->common.command_addr.register_bit_width == 0) {
addr = &ec->common.command_addr;
} else {
return AE_CTRL_TERMINATE;
}
......@@ -877,8 +1316,8 @@ static int
acpi_ec_start (
struct acpi_device *device)
{
acpi_status status;
struct acpi_ec *ec;
acpi_status status = AE_OK;
union acpi_ec *ec = NULL;
ACPI_FUNCTION_TRACE("acpi_ec_start");
......@@ -893,35 +1332,36 @@ acpi_ec_start (
/*
* Get I/O port addresses. Convert to GAS format.
*/
status = acpi_walk_resources(ec->handle, METHOD_NAME__CRS,
status = acpi_walk_resources(ec->common.handle, METHOD_NAME__CRS,
acpi_ec_io_ports, ec);
if (ACPI_FAILURE(status) || ec->command_addr.register_bit_width == 0) {
if (ACPI_FAILURE(status) || ec->common.command_addr.register_bit_width == 0) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error getting I/O port addresses"));
return_VALUE(-ENODEV);
}
ec->status_addr = ec->command_addr;
ec->common.status_addr = ec->common.command_addr;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "gpe=0x%02x, ports=0x%2x,0x%2x\n",
(u32) ec->gpe_bit, (u32) ec->command_addr.address,
(u32) ec->data_addr.address));
(u32) ec->common.gpe_bit, (u32) ec->common.command_addr.address,
(u32) ec->common.data_addr.address));
/*
* Install GPE handler
*/
status = acpi_install_gpe_handler(NULL, ec->gpe_bit,
status = acpi_install_gpe_handler(NULL, ec->common.gpe_bit,
ACPI_GPE_EDGE_TRIGGERED, &acpi_ec_gpe_handler, ec);
if (ACPI_FAILURE(status)) {
return_VALUE(-ENODEV);
}
acpi_set_gpe_type (NULL, ec->gpe_bit, ACPI_GPE_TYPE_RUNTIME);
acpi_enable_gpe (NULL, ec->gpe_bit, ACPI_NOT_ISR);
acpi_set_gpe_type (NULL, ec->common.gpe_bit, ACPI_GPE_TYPE_RUNTIME);
acpi_enable_gpe (NULL, ec->common.gpe_bit, ACPI_NOT_ISR);
status = acpi_install_address_space_handler (ec->handle,
status = acpi_install_address_space_handler (ec->common.handle,
ACPI_ADR_SPACE_EC, &acpi_ec_space_handler,
&acpi_ec_space_setup, ec);
if (ACPI_FAILURE(status)) {
acpi_remove_gpe_handler(NULL, ec->gpe_bit, &acpi_ec_gpe_handler);
acpi_remove_gpe_handler(NULL, ec->common.gpe_bit, &acpi_ec_gpe_handler);
return_VALUE(-ENODEV);
}
......@@ -934,8 +1374,8 @@ acpi_ec_stop (
struct acpi_device *device,
int type)
{
acpi_status status;
struct acpi_ec *ec;
acpi_status status = AE_OK;
union acpi_ec *ec = NULL;
ACPI_FUNCTION_TRACE("acpi_ec_stop");
......@@ -944,12 +1384,12 @@ acpi_ec_stop (
ec = acpi_driver_data(device);
status = acpi_remove_address_space_handler(ec->handle,
status = acpi_remove_address_space_handler(ec->common.handle,
ACPI_ADR_SPACE_EC, &acpi_ec_space_handler);
if (ACPI_FAILURE(status))
return_VALUE(-ENODEV);
status = acpi_remove_gpe_handler(NULL, ec->gpe_bit, &acpi_ec_gpe_handler);
status = acpi_remove_gpe_handler(NULL, ec->common.gpe_bit, &acpi_ec_gpe_handler);
if (ACPI_FAILURE(status))
return_VALUE(-ENODEV);
......@@ -963,26 +1403,76 @@ acpi_fake_ecdt_callback (
void *context,
void **retval)
{
if (acpi_ec_polling_mode)
return acpi_fake_ecdt_polling_callback(handle,
Level, context, retval);
else
return acpi_fake_ecdt_burst_callback(handle,
Level, context, retval);
}
static acpi_status __init
acpi_fake_ecdt_polling_callback (
acpi_handle handle,
u32 Level,
void *context,
void **retval)
{
acpi_status status;
status = acpi_walk_resources(handle, METHOD_NAME__CRS,
acpi_ec_io_ports, ec_ecdt);
if (ACPI_FAILURE(status))
return status;
ec_ecdt->common.status_addr = ec_ecdt->common.command_addr;
ec_ecdt->common.uid = -1;
acpi_evaluate_integer(handle, "_UID", NULL, &ec_ecdt->common.uid);
status = acpi_evaluate_integer(handle, "_GPE", NULL, &ec_ecdt->common.gpe_bit);
if (ACPI_FAILURE(status))
return status;
spin_lock_init(&ec_ecdt->polling.lock);
ec_ecdt->common.global_lock = TRUE;
ec_ecdt->common.handle = handle;
printk(KERN_INFO PREFIX "GPE=0x%02x, ports=0x%2x, 0x%2x\n",
(u32) ec_ecdt->common.gpe_bit, (u32) ec_ecdt->common.command_addr.address,
(u32) ec_ecdt->common.data_addr.address);
return AE_CTRL_TERMINATE;
}
static acpi_status __init
acpi_fake_ecdt_burst_callback (
acpi_handle handle,
u32 Level,
void *context,
void **retval)
{
acpi_status status;
init_MUTEX(&ec_ecdt->burst.sem);
init_waitqueue_head(&ec_ecdt->burst.wait);
status = acpi_walk_resources(handle, METHOD_NAME__CRS,
acpi_ec_io_ports, ec_ecdt);
if (ACPI_FAILURE(status))
return status;
ec_ecdt->status_addr = ec_ecdt->command_addr;
ec_ecdt->common.status_addr = ec_ecdt->common.command_addr;
ec_ecdt->uid = -1;
acpi_evaluate_integer(handle, "_UID", NULL, &ec_ecdt->uid);
ec_ecdt->common.uid = -1;
acpi_evaluate_integer(handle, "_UID", NULL, &ec_ecdt->common.uid);
status = acpi_evaluate_integer(handle, "_GPE", NULL, &ec_ecdt->gpe_bit);
status = acpi_evaluate_integer(handle, "_GPE", NULL, &ec_ecdt->common.gpe_bit);
if (ACPI_FAILURE(status))
return status;
ec_ecdt->global_lock = TRUE;
ec_ecdt->handle = handle;
ec_ecdt->common.global_lock = TRUE;
ec_ecdt->common.handle = handle;
printk(KERN_INFO PREFIX "GPE=0x%02x, ports=0x%2x, 0x%2x\n",
(u32) ec_ecdt->gpe_bit, (u32) ec_ecdt->command_addr.address,
(u32) ec_ecdt->data_addr.address);
(u32) ec_ecdt->common.gpe_bit, (u32) ec_ecdt->common.command_addr.address,
(u32) ec_ecdt->common.data_addr.address);
return AE_CTRL_TERMINATE;
}
......@@ -1005,12 +1495,12 @@ acpi_ec_fake_ecdt(void)
printk(KERN_INFO PREFIX "Try to make an fake ECDT\n");
ec_ecdt = kmalloc(sizeof(struct acpi_ec), GFP_KERNEL);
ec_ecdt = kmalloc(sizeof(union acpi_ec), GFP_KERNEL);
if (!ec_ecdt) {
ret = -ENOMEM;
goto error;
}
memset(ec_ecdt, 0, sizeof(struct acpi_ec));
memset(ec_ecdt, 0, sizeof(union acpi_ec));
status = acpi_get_devices (ACPI_EC_HID,
acpi_fake_ecdt_callback,
......@@ -1030,6 +1520,60 @@ acpi_ec_fake_ecdt(void)
static int __init
acpi_ec_get_real_ecdt(void)
{
if (acpi_ec_polling_mode)
return acpi_ec_polling_get_real_ecdt();
else
return acpi_ec_burst_get_real_ecdt();
}
static int __init
acpi_ec_polling_get_real_ecdt(void)
{
acpi_status status;
struct acpi_table_ecdt *ecdt_ptr;
status = acpi_get_firmware_table("ECDT", 1, ACPI_LOGICAL_ADDRESSING,
(struct acpi_table_header **) &ecdt_ptr);
if (ACPI_FAILURE(status))
return -ENODEV;
printk(KERN_INFO PREFIX "Found ECDT\n");
/*
* Generate a temporary ec context to use until the namespace is scanned
*/
ec_ecdt = kmalloc(sizeof(union acpi_ec), GFP_KERNEL);
if (!ec_ecdt)
return -ENOMEM;
memset(ec_ecdt, 0, sizeof(union acpi_ec));
ec_ecdt->common.command_addr = ecdt_ptr->ec_control;
ec_ecdt->common.status_addr = ecdt_ptr->ec_control;
ec_ecdt->common.data_addr = ecdt_ptr->ec_data;
ec_ecdt->common.gpe_bit = ecdt_ptr->gpe_bit;
spin_lock_init(&ec_ecdt->polling.lock);
/* use the GL just to be safe */
ec_ecdt->common.global_lock = TRUE;
ec_ecdt->common.uid = ecdt_ptr->uid;
status = acpi_get_handle(NULL, ecdt_ptr->ec_id, &ec_ecdt->common.handle);
if (ACPI_FAILURE(status)) {
goto error;
}
return 0;
error:
printk(KERN_ERR PREFIX "Could not use ECDT\n");
kfree(ec_ecdt);
ec_ecdt = NULL;
return -ENODEV;
}
static int __init
acpi_ec_burst_get_real_ecdt(void)
{
acpi_status status;
struct acpi_table_ecdt *ecdt_ptr;
......@@ -1044,22 +1588,22 @@ acpi_ec_get_real_ecdt(void)
/*
* Generate a temporary ec context to use until the namespace is scanned
*/
ec_ecdt = kmalloc(sizeof(struct acpi_ec), GFP_KERNEL);
ec_ecdt = kmalloc(sizeof(union acpi_ec), GFP_KERNEL);
if (!ec_ecdt)
return -ENOMEM;
memset(ec_ecdt, 0, sizeof(struct acpi_ec));
init_MUTEX(&ec_ecdt->sem);
init_waitqueue_head(&ec_ecdt->wait);
ec_ecdt->command_addr = ecdt_ptr->ec_control;
ec_ecdt->status_addr = ecdt_ptr->ec_control;
ec_ecdt->data_addr = ecdt_ptr->ec_data;
ec_ecdt->gpe_bit = ecdt_ptr->gpe_bit;
memset(ec_ecdt, 0, sizeof(union acpi_ec));
init_MUTEX(&ec_ecdt->burst.sem);
init_waitqueue_head(&ec_ecdt->burst.wait);
ec_ecdt->common.command_addr = ecdt_ptr->ec_control;
ec_ecdt->common.status_addr = ecdt_ptr->ec_control;
ec_ecdt->common.data_addr = ecdt_ptr->ec_data;
ec_ecdt->common.gpe_bit = ecdt_ptr->gpe_bit;
/* use the GL just to be safe */
ec_ecdt->global_lock = TRUE;
ec_ecdt->uid = ecdt_ptr->uid;
ec_ecdt->common.global_lock = TRUE;
ec_ecdt->common.uid = ecdt_ptr->uid;
status = acpi_get_handle(NULL, ecdt_ptr->ec_id, &ec_ecdt->handle);
status = acpi_get_handle(NULL, ecdt_ptr->ec_id, &ec_ecdt->common.handle);
if (ACPI_FAILURE(status)) {
goto error;
}
......@@ -1092,20 +1636,20 @@ acpi_ec_ecdt_probe (void)
/*
* Install GPE handler
*/
status = acpi_install_gpe_handler(NULL, ec_ecdt->gpe_bit,
status = acpi_install_gpe_handler(NULL, ec_ecdt->common.gpe_bit,
ACPI_GPE_EDGE_TRIGGERED, &acpi_ec_gpe_handler,
ec_ecdt);
if (ACPI_FAILURE(status)) {
goto error;
}
acpi_set_gpe_type (NULL, ec_ecdt->gpe_bit, ACPI_GPE_TYPE_RUNTIME);
acpi_enable_gpe (NULL, ec_ecdt->gpe_bit, ACPI_NOT_ISR);
acpi_set_gpe_type (NULL, ec_ecdt->common.gpe_bit, ACPI_GPE_TYPE_RUNTIME);
acpi_enable_gpe (NULL, ec_ecdt->common.gpe_bit, ACPI_NOT_ISR);
status = acpi_install_address_space_handler (ACPI_ROOT_OBJECT,
ACPI_ADR_SPACE_EC, &acpi_ec_space_handler,
&acpi_ec_space_setup, ec_ecdt);
if (ACPI_FAILURE(status)) {
acpi_remove_gpe_handler(NULL, ec_ecdt->gpe_bit,
acpi_remove_gpe_handler(NULL, ec_ecdt->common.gpe_bit,
&acpi_ec_gpe_handler);
goto error;
}
......@@ -1123,7 +1667,7 @@ acpi_ec_ecdt_probe (void)
static int __init acpi_ec_init (void)
{
int result;
int result = 0;
ACPI_FUNCTION_TRACE("acpi_ec_init");
......@@ -1167,3 +1711,10 @@ static int __init acpi_fake_ecdt_setup(char *str)
return 0;
}
__setup("acpi_fake_ecdt", acpi_fake_ecdt_setup);
static int __init acpi_ec_set_polling_mode(char *str)
{
acpi_ec_polling_mode = EC_POLLING;
acpi_ec_driver.ops.add = acpi_ec_polling_add;
return 0;
}
__setup("ec_polling", acpi_ec_set_polling_mode);
drivers/acpi/pci_irq.c
View file @ 727e6e93
......@@ -269,7 +269,51 @@ acpi_pci_irq_del_prt (int segment, int bus)
/* --------------------------------------------------------------------------
PCI Interrupt Routing Support
-------------------------------------------------------------------------- */
typedef int (*irq_lookup_func)(struct acpi_prt_entry *, int *, int *, char **);
static int
acpi_pci_allocate_irq(struct acpi_prt_entry *entry,
int *edge_level,
int *active_high_low,
char **link)
{
int irq;
ACPI_FUNCTION_TRACE("acpi_pci_allocate_irq");
if (entry->link.handle) {
irq = acpi_pci_link_allocate_irq(entry->link.handle,
entry->link.index, edge_level, active_high_low, link);
if (irq < 0) {
ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Invalid IRQ link routing entry\n"));
return_VALUE(-1);
}
} else {
irq = entry->link.index;
*edge_level = ACPI_LEVEL_SENSITIVE;
*active_high_low = ACPI_ACTIVE_LOW;
}
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found IRQ %d\n", irq));
return_VALUE(irq);
}
static int
acpi_pci_free_irq(struct acpi_prt_entry *entry,
int *edge_level,
int *active_high_low,
char **link)
{
int irq;
ACPI_FUNCTION_TRACE("acpi_pci_free_irq");
if (entry->link.handle) {
irq = acpi_pci_link_free_irq(entry->link.handle);
} else {
irq = entry->link.index;
}
return_VALUE(irq);
}
/*
* acpi_pci_irq_lookup
* success: return IRQ >= 0
......@@ -282,12 +326,13 @@ acpi_pci_irq_lookup (
int pin,
int *edge_level,
int *active_high_low,
char **link)
char **link,
irq_lookup_func func)
{
struct acpi_prt_entry *entry = NULL;
int segment = pci_domain_nr(bus);
int bus_nr = bus->number;
int irq;
int ret;
ACPI_FUNCTION_TRACE("acpi_pci_irq_lookup");
......@@ -301,22 +346,8 @@ acpi_pci_irq_lookup (
return_VALUE(-1);
}
if (entry->link.handle) {
irq = acpi_pci_link_get_irq(entry->link.handle,
entry->link.index, edge_level, active_high_low, link);
if (irq < 0) {
ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Invalid IRQ link routing entry\n"));
return_VALUE(-1);
}
} else {
irq = entry->link.index;
*edge_level = ACPI_LEVEL_SENSITIVE;
*active_high_low = ACPI_ACTIVE_LOW;
}
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found IRQ %d\n", irq));
return_VALUE(irq);
ret = func(entry, edge_level, active_high_low, link);
return_VALUE(ret);
}
/*
......@@ -330,7 +361,8 @@ acpi_pci_irq_derive (
int pin,
int *edge_level,
int *active_high_low,
char **link)
char **link,
irq_lookup_func func)
{
struct pci_dev *bridge = dev;
int irq = -1;
......@@ -363,7 +395,7 @@ acpi_pci_irq_derive (
}
irq = acpi_pci_irq_lookup(bridge->bus, PCI_SLOT(bridge->devfn),
pin, edge_level, active_high_low, link);
pin, edge_level, active_high_low, link, func);
}
if (irq < 0) {
......@@ -415,7 +447,7 @@ acpi_pci_irq_enable (
* values override any BIOS-assigned IRQs set during boot.
*/
irq = acpi_pci_irq_lookup(dev->bus, PCI_SLOT(dev->devfn), pin,
&edge_level, &active_high_low, &link);
&edge_level, &active_high_low, &link, acpi_pci_allocate_irq);
/*
* If no PRT entry was found, we'll try to derive an IRQ from the
......@@ -423,7 +455,7 @@ acpi_pci_irq_enable (
*/
if (irq < 0)
irq = acpi_pci_irq_derive(dev, pin, &edge_level,
&active_high_low, &link);
&active_high_low, &link, acpi_pci_allocate_irq);
/*
* No IRQ known to the ACPI subsystem - maybe the BIOS /
......@@ -462,7 +494,9 @@ acpi_pci_irq_enable (
EXPORT_SYMBOL(acpi_pci_irq_enable);
#ifdef CONFIG_ACPI_DEALLOCATE_IRQ
/* FIXME: implement x86/x86_64 version */
void __attribute__((weak)) acpi_unregister_gsi(u32 i) {}
void
acpi_pci_irq_disable (
struct pci_dev *dev)
......@@ -489,14 +523,14 @@ acpi_pci_irq_disable (
* First we check the PCI IRQ routing table (PRT) for an IRQ.
*/
gsi = acpi_pci_irq_lookup(dev->bus, PCI_SLOT(dev->devfn), pin,
&edge_level, &active_high_low, NULL);
&edge_level, &active_high_low, NULL, acpi_pci_free_irq);
/*
* If no PRT entry was found, we'll try to derive an IRQ from the
* device's parent bridge.
*/
if (gsi < 0)
gsi = acpi_pci_irq_derive(dev, pin,
&edge_level, &active_high_low, NULL);
&edge_level, &active_high_low, NULL, acpi_pci_free_irq);
if (gsi < 0)
return_VOID;
......@@ -512,4 +546,3 @@ acpi_pci_irq_disable (
return_VOID;
}
#endif /* CONFIG_ACPI_DEALLOCATE_IRQ */
drivers/acpi/pci_link.c
View file @ 727e6e93
......@@ -68,6 +68,10 @@ static struct acpi_driver acpi_pci_link_driver = {
},
};
/*
* If a link is initialized, we never change its active and initialized
* later even the link is disable. Instead, we just repick the active irq
*/
struct acpi_pci_link_irq {
u8 active; /* Current IRQ */
u8 edge_level; /* All IRQs */
......@@ -76,8 +80,7 @@ struct acpi_pci_link_irq {
u8 possible_count;
u8 possible[ACPI_PCI_LINK_MAX_POSSIBLE];
u8 initialized:1;
u8 suspend_resume:1;
u8 reserved:6;
u8 reserved:7;
};
struct acpi_pci_link {
......@@ -85,12 +88,14 @@ struct acpi_pci_link {
struct acpi_device *device;
acpi_handle handle;
struct acpi_pci_link_irq irq;
int refcnt;
};
static struct {
int count;
struct list_head entries;
} acpi_link;
DECLARE_MUTEX(acpi_link_lock);
/* --------------------------------------------------------------------------
......@@ -532,12 +537,12 @@ static int acpi_pci_link_allocate(
ACPI_FUNCTION_TRACE("acpi_pci_link_allocate");
if (link->irq.suspend_resume) {
acpi_pci_link_set(link, link->irq.active);
link->irq.suspend_resume = 0;
}
if (link->irq.initialized)
if (link->irq.initialized) {
if (link->refcnt == 0)
/* This means the link is disabled but initialized */
acpi_pci_link_set(link, link->irq.active);
return_VALUE(0);
}
/*
* search for active IRQ in list of possible IRQs.
......@@ -596,13 +601,13 @@ static int acpi_pci_link_allocate(
}
/*
* acpi_pci_link_get_irq
* acpi_pci_link_allocate_irq
* success: return IRQ >= 0
* failure: return -1
*/
int
acpi_pci_link_get_irq (
acpi_pci_link_allocate_irq (
acpi_handle handle,
int index,
int *edge_level,
......@@ -613,7 +618,7 @@ acpi_pci_link_get_irq (
struct acpi_device *device = NULL;
struct acpi_pci_link *link = NULL;
ACPI_FUNCTION_TRACE("acpi_pci_link_get_irq");
ACPI_FUNCTION_TRACE("acpi_pci_link_allocate_irq");
result = acpi_bus_get_device(handle, &device);
if (result) {
......@@ -633,21 +638,70 @@ acpi_pci_link_get_irq (
return_VALUE(-1);
}
if (acpi_pci_link_allocate(link))
down(&acpi_link_lock);
if (acpi_pci_link_allocate(link)) {
up(&acpi_link_lock);
return_VALUE(-1);
}
if (!link->irq.active) {
up(&acpi_link_lock);
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Link active IRQ is 0!\n"));
return_VALUE(-1);
}
link->refcnt ++;
up(&acpi_link_lock);
if (edge_level) *edge_level = link->irq.edge_level;
if (active_high_low) *active_high_low = link->irq.active_high_low;
if (name) *name = acpi_device_bid(link->device);
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Link %s is referenced\n", acpi_device_bid(link->device)));
return_VALUE(link->irq.active);
}
/*
* We don't change link's irq information here. After it is reenabled, we
* continue use the info
*/
int
acpi_pci_link_free_irq(acpi_handle handle)
{
struct acpi_device *device = NULL;
struct acpi_pci_link *link = NULL;
acpi_status result;
ACPI_FUNCTION_TRACE("acpi_pci_link_free_irq");
result = acpi_bus_get_device(handle, &device);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid link device\n"));
return_VALUE(-1);
}
link = (struct acpi_pci_link *) acpi_driver_data(device);
if (!link) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid link context\n"));
return_VALUE(-1);
}
down(&acpi_link_lock);
if (!link->irq.initialized) {
up(&acpi_link_lock);
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Link isn't initialized\n"));
return_VALUE(-1);
}
link->refcnt --;
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Link %s is dereferenced\n", acpi_device_bid(link->device)));
if (link->refcnt == 0) {
acpi_ut_evaluate_object(link->handle, "_DIS", 0, NULL);
}
up(&acpi_link_lock);
return_VALUE(link->irq.active);
}
/* --------------------------------------------------------------------------
Driver Interface
-------------------------------------------------------------------------- */
......@@ -677,6 +731,7 @@ acpi_pci_link_add (
strcpy(acpi_device_class(device), ACPI_PCI_LINK_CLASS);
acpi_driver_data(device) = link;
down(&acpi_link_lock);
result = acpi_pci_link_get_possible(link);
if (result)
goto end;
......@@ -712,6 +767,7 @@ acpi_pci_link_add (
end:
/* disable all links -- to be activated on use */
acpi_ut_evaluate_object(link->handle, "_DIS", 0, NULL);
up(&acpi_link_lock);
if (result)
kfree(link);
......@@ -726,19 +782,32 @@ irqrouter_suspend(
{
struct list_head *node = NULL;
struct acpi_pci_link *link = NULL;
int ret = 0;
ACPI_FUNCTION_TRACE("irqrouter_suspend");
list_for_each(node, &acpi_link.entries) {
link = list_entry(node, struct acpi_pci_link, node);
if (!link) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid link context\n"));
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Invalid link context\n"));
continue;
}
if (link->irq.active && link->irq.initialized)
link->irq.suspend_resume = 1;
if (link->irq.initialized && link->refcnt != 0
/* We ignore legacy IDE device irq */
&& link->irq.active != 14 && link->irq.active !=15) {
printk(KERN_WARNING PREFIX
"%d drivers with interrupt %d neglected to call"
" pci_disable_device at .suspend\n",
link->refcnt,
link->irq.active);
printk(KERN_WARNING PREFIX
"Fix the driver, or rmmod before suspend\n");
link->refcnt = 0;
ret = -EINVAL;
}
}
return_VALUE(0);
return_VALUE(ret);
}
......@@ -756,8 +825,9 @@ acpi_pci_link_remove (
link = (struct acpi_pci_link *) acpi_driver_data(device);
/* TBD: Acquire/release lock */
down(&acpi_link_lock);
list_del(&link->node);
up(&acpi_link_lock);
kfree(link);
......@@ -849,6 +919,7 @@ int __init acpi_irq_balance_set(char *str)
__setup("acpi_irq_balance", acpi_irq_balance_set);
/* FIXME: we will remove this interface after all drivers call pci_disable_device */
static struct sysdev_class irqrouter_sysdev_class = {
set_kset_name("irqrouter"),
.suspend = irqrouter_suspend,
......
drivers/acpi/processor_idle.c
View file @ 727e6e93
......@@ -81,30 +81,33 @@ module_param(bm_history, uint, 0644);
*
* To skip this limit, boot/load with a large max_cstate limit.
*/
static int no_c2c3(struct dmi_system_id *id)
static int set_max_cstate(struct dmi_system_id *id)
{
if (max_cstate > ACPI_PROCESSOR_MAX_POWER)
return 0;
printk(KERN_NOTICE PREFIX "%s detected - C2,C3 disabled."
printk(KERN_NOTICE PREFIX "%s detected - %s disabled."
" Override with \"processor.max_cstate=%d\"\n", id->ident,
((int)id->driver_data == 1)? "C2,C3":"C3",
ACPI_PROCESSOR_MAX_POWER + 1);
max_cstate = 1;
max_cstate = (int)id->driver_data;
return 0;
}
static struct dmi_system_id __initdata processor_power_dmi_table[] = {
{ no_c2c3, "IBM ThinkPad R40e", {
{ set_max_cstate, "IBM ThinkPad R40e", {
DMI_MATCH(DMI_BIOS_VENDOR,"IBM"),
DMI_MATCH(DMI_BIOS_VERSION,"1SET60WW") }},
{ no_c2c3, "Medion 41700", {
DMI_MATCH(DMI_BIOS_VERSION,"1SET60WW") }, (void*)1},
{ set_max_cstate, "Medion 41700", {
DMI_MATCH(DMI_BIOS_VENDOR,"Phoenix Technologies LTD"),
DMI_MATCH(DMI_BIOS_VERSION,"R01-A1J") }, (void*)1},
{ set_max_cstate, "Clevo 5600D", {
DMI_MATCH(DMI_BIOS_VENDOR,"Phoenix Technologies LTD"),
DMI_MATCH(DMI_BIOS_VERSION,"R01-A1J") }},
DMI_MATCH(DMI_BIOS_VERSION,"SHE845M0.86C.0013.D.0302131307") },
(void*)2},
{},
};
......@@ -549,7 +552,8 @@ static int acpi_processor_get_power_info_default_c1 (struct acpi_processor *pr)
ACPI_FUNCTION_TRACE("acpi_processor_get_power_info_default_c1");
for (i = 0; i < ACPI_PROCESSOR_MAX_POWER; i++)
memset(pr->power.states, 0, sizeof(struct acpi_processor_cx));
memset(&(pr->power.states[i]), 0,
sizeof(struct acpi_processor_cx));
/* if info is obtained from pblk/fadt, type equals state */
pr->power.states[ACPI_STATE_C1].type = ACPI_STATE_C1;
......@@ -580,7 +584,8 @@ static int acpi_processor_get_power_info_cst (struct acpi_processor *pr)
pr->power.count = 0;
for (i = 0; i < ACPI_PROCESSOR_MAX_POWER; i++)
memset(pr->power.states, 0, sizeof(struct acpi_processor_cx));
memset(&(pr->power.states[i]), 0,
sizeof(struct acpi_processor_cx));
status = acpi_evaluate_object(pr->handle, "_CST", NULL, &buffer);
if (ACPI_FAILURE(status)) {
......@@ -763,7 +768,6 @@ static void acpi_processor_power_verify_c3(
}
if (pr->flags.bm_check) {
printk("Disabling BM access before entering C3\n");
/* bus mastering control is necessary */
if (!pr->flags.bm_control) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
......@@ -771,7 +775,6 @@ static void acpi_processor_power_verify_c3(
return_VOID;
}
} else {
printk("Invalidating cache before entering C3\n");
/*
* WBINVD should be set in fadt, for C3 state to be
* supported on when bm_check is not required.
......@@ -842,7 +845,7 @@ static int acpi_processor_get_power_info (
result = acpi_processor_get_power_info_cst(pr);
if ((result) || (acpi_processor_power_verify(pr) < 2)) {
result = acpi_processor_get_power_info_fadt(pr);
if (result)
if ((result) || (acpi_processor_power_verify(pr) < 2))
result = acpi_processor_get_power_info_default_c1(pr);
}
......
drivers/net/sk98lin/skge.c
View file @ 727e6e93
......@@ -5133,6 +5133,81 @@ static void __devexit skge_remove_one(struct pci_dev *pdev)
kfree(pAC);
}
#ifdef CONFIG_PM
static int skge_suspend(struct pci_dev *pdev, pm_message_t state)
{
struct net_device *dev = pci_get_drvdata(pdev);
DEV_NET *pNet = netdev_priv(dev);
SK_AC *pAC = pNet->pAC;
struct net_device *otherdev = pAC->dev[1];
if (netif_running(dev)) {
netif_carrier_off(dev);
DoPrintInterfaceChange = SK_FALSE;
SkDrvDeInitAdapter(pAC, 0); /* performs SkGeClose */
netif_device_detach(dev);
}
if (otherdev != dev) {
if (netif_running(otherdev)) {
netif_carrier_off(otherdev);
DoPrintInterfaceChange = SK_FALSE;
SkDrvDeInitAdapter(pAC, 1); /* performs SkGeClose */
netif_device_detach(otherdev);
}
}
pci_save_state(pdev);
pci_enable_wake(pdev, pci_choose_state(pdev, state), 0);
if (pAC->AllocFlag & SK_ALLOC_IRQ) {
free_irq(dev->irq, dev);
}
pci_disable_device(pdev);
pci_set_power_state(pdev, pci_choose_state(pdev, state));
return 0;
}
static int skge_resume(struct pci_dev *pdev)
{
struct net_device *dev = pci_get_drvdata(pdev);
DEV_NET *pNet = netdev_priv(dev);
SK_AC *pAC = pNet->pAC;
struct net_device *otherdev = pAC->dev[1];
int ret;
pci_set_power_state(pdev, PCI_D0);
pci_restore_state(pdev);
pci_enable_device(pdev);
pci_set_master(pdev);
if (pAC->GIni.GIMacsFound == 2)
ret = request_irq(dev->irq, SkGeIsr, SA_SHIRQ, pAC->Name, dev);
else
ret = request_irq(dev->irq, SkGeIsrOnePort, SA_SHIRQ, pAC->Name, dev);
if (ret) {
printk(KERN_WARNING "sk98lin: unable to acquire IRQ %d\n", dev->irq);
pAC->AllocFlag &= ~SK_ALLOC_IRQ;
dev->irq = 0;
pci_disable_device(pdev);
return -EBUSY;
}
netif_device_attach(dev);
if (netif_running(dev)) {
DoPrintInterfaceChange = SK_FALSE;
SkDrvInitAdapter(pAC, 0); /* first device */
}
if (otherdev != dev) {
netif_device_attach(otherdev);
if (netif_running(otherdev)) {
DoPrintInterfaceChange = SK_FALSE;
SkDrvInitAdapter(pAC, 1); /* second device */
}
}
return 0;
}
#endif
static struct pci_device_id skge_pci_tbl[] = {
{ PCI_VENDOR_ID_3COM, 0x1700, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
{ PCI_VENDOR_ID_3COM, 0x80eb, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
......@@ -5158,6 +5233,8 @@ static struct pci_driver skge_driver = {
.id_table = skge_pci_tbl,
.probe = skge_probe_one,
.remove = __devexit_p(skge_remove_one),
.suspend = skge_suspend,
.resume = skge_resume,
};
static int __init skge_init(void)
......
drivers/pcmcia/yenta_socket.c
View file @ 727e6e93
......@@ -1107,8 +1107,6 @@ static int yenta_dev_suspend (struct pci_dev *dev, pm_message_t state)
pci_read_config_dword(dev, 17*4, &socket->saved_state[1]);
pci_disable_device(dev);
free_irq(dev->irq, socket);
/*
* Some laptops (IBM T22) do not like us putting the Cardbus
* bridge into D3. At a guess, some other laptop will
......@@ -1134,13 +1132,6 @@ static int yenta_dev_resume (struct pci_dev *dev)
pci_enable_device(dev);
pci_set_master(dev);
if (socket->cb_irq)
if (request_irq(socket->cb_irq, yenta_interrupt,
SA_SHIRQ, "yenta", socket)) {
printk(KERN_WARNING "Yenta: request_irq() failed on resume!\n");
socket->cb_irq = 0;
}
if (socket->type && socket->type->restore_state)
socket->type->restore_state(socket);
}
......
include/acpi/acpi_drivers.h
View file @ 727e6e93
......@@ -56,8 +56,9 @@
/* ACPI PCI Interrupt Link (pci_link.c) */
int acpi_irq_penalty_init (void);
int acpi_pci_link_get_irq (acpi_handle handle, int index, int *edge_level,
int acpi_pci_link_allocate_irq (acpi_handle handle, int index, int *edge_level,
int *active_high_low, char **name);
int acpi_pci_link_free_irq(acpi_handle handle);
/* ACPI PCI Interrupt Routing (pci_irq.c) */
......
include/asm-ppc/unistd.h
View file @ 727e6e93
......@@ -279,8 +279,11 @@
#define __NR_waitid 272
#define __NR_ioprio_set 273
#define __NR_ioprio_get 274
#define __NR_inotify_init 275
#define __NR_inotify_add_watch 276
#define __NR_inotify_rm_watch 277
#define __NR_syscalls 275
#define __NR_syscalls 278
#define __NR(n) #n
......
include/asm-ppc64/unistd.h
View file @ 727e6e93
......@@ -285,8 +285,11 @@
#define __NR_waitid 272
#define __NR_ioprio_set 273
#define __NR_ioprio_get 274
#define __NR_inotify_init 275
#define __NR_inotify_add_watch 276
#define __NR_inotify_rm_watch 277
#define __NR_syscalls 275
#define __NR_syscalls 278
#ifdef __KERNEL__
#define NR_syscalls __NR_syscalls
#endif
......
include/linux/acpi.h
View file @ 727e6e93
......@@ -453,9 +453,7 @@ int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
* If this matches the last registration, any IRQ resources for gsi
* are freed.
*/
#ifdef CONFIG_ACPI_DEALLOCATE_IRQ
void acpi_unregister_gsi (u32 gsi);
#endif
#ifdef CONFIG_ACPI_PCI
......@@ -480,9 +478,7 @@ struct pci_dev;
int acpi_pci_irq_enable (struct pci_dev *dev);
void acpi_penalize_isa_irq(int irq, int active);
#ifdef CONFIG_ACPI_DEALLOCATE_IRQ
void acpi_pci_irq_disable (struct pci_dev *dev);
#endif
struct acpi_pci_driver {
struct acpi_pci_driver *next;
......
kernel/softirq.c
View file @ 727e6e93
......@@ -86,7 +86,7 @@ asmlinkage void __do_softirq(void)
/* Reset the pending bitmask before enabling irqs */
local_softirq_pending() = 0;
//local_irq_enable();
local_irq_enable();
h = softirq_vec;
......@@ -99,7 +99,7 @@ asmlinkage void __do_softirq(void)
pending >>= 1;
} while (pending);
//local_irq_disable();
local_irq_disable();
pending = local_softirq_pending();
if (pending && --max_restart)
......
mm/page_alloc.c
View file @ 727e6e93
......@@ -1061,20 +1061,19 @@ unsigned int nr_free_pages_pgdat(pg_data_t *pgdat)
static unsigned int nr_free_zone_pages(int offset)
{
pg_data_t *pgdat;
/* Just pick one node, since fallback list is circular */
pg_data_t *pgdat = NODE_DATA(numa_node_id());
unsigned int sum = 0;
for_each_pgdat(pgdat) {
struct zonelist *zonelist = pgdat->node_zonelists + offset;
struct zone **zonep = zonelist->zones;
struct zone *zone;
struct zonelist *zonelist = pgdat->node_zonelists + offset;
struct zone **zonep = zonelist->zones;
struct zone *zone;
for (zone = *zonep++; zone; zone = *zonep++) {
unsigned long size = zone->present_pages;
unsigned long high = zone->pages_high;
if (size > high)
sum += size - high;
}
for (zone = *zonep++; zone; zone = *zonep++) {
unsigned long size = zone->present_pages;
unsigned long high = zone->pages_high;
if (size > high)
sum += size - high;
}
return sum;
......
sound/pci/intel8x0.c
View file @ 727e6e93
......@@ -2376,6 +2376,9 @@ static int intel8x0_suspend(snd_card_t *card, pm_message_t state)
snd_ac97_suspend(chip->ac97[i]);
if (chip->device_type == DEVICE_INTEL_ICH4)
chip->sdm_saved = igetbyte(chip, ICHREG(SDM));
if (chip->irq >= 0)
free_irq(chip->irq, (void *)chip);
pci_disable_device(chip->pci);
return 0;
}
......@@ -2387,7 +2390,9 @@ static int intel8x0_resume(snd_card_t *card)
pci_enable_device(chip->pci);
pci_set_master(chip->pci);
snd_intel8x0_chip_init(chip, 0);
request_irq(chip->irq, snd_intel8x0_interrupt, SA_INTERRUPT|SA_SHIRQ, card->shortname, (void *)chip);
synchronize_irq(chip->irq);
snd_intel8x0_chip_init(chip, 1);
/* re-initialize mixer stuff */
if (chip->device_type == DEVICE_INTEL_ICH4) {
......
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