diff options
| author | James Morris <jmorris@namei.org> | 2008-11-14 11:29:12 +1100 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2008-11-14 11:29:12 +1100 |
| commit | 2b828925652340277a889cbc11b2d0637f7cdaf7 (patch) | |
| tree | 32fcb3d3e466fc419fad2d3717956a5b5ad3d35a /drivers | |
| parent | 3a3b7ce9336952ea7b9564d976d068a238976c9d (diff) | |
| parent | 58e20d8d344b0ee083febb18c2b021d2427e56ca (diff) | |
Merge branch 'master' into next
Conflicts:
security/keys/internal.h
security/keys/process_keys.c
security/keys/request_key.c
Fixed conflicts above by using the non 'tsk' versions.
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'drivers')
225 files changed, 9865 insertions, 1566 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index f4f63291750..b0243fd55ac 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -312,9 +312,13 @@ config ACPI_DEBUG bool "Debug Statements" default n help - The ACPI driver can optionally report errors with a great deal - of verbosity. Saying Y enables these statements. This will increase - your kernel size by around 50K. + The ACPI subsystem can produce debug output. Saying Y enables this + output and increases the kernel size by around 50K. + + Use the acpi.debug_layer and acpi.debug_level kernel command-line + parameters documented in Documentation/acpi/debug.txt and + Documentation/kernel-parameters.txt to control the type and + amount of debug output. config ACPI_DEBUG_FUNC_TRACE bool "Additionally enable ACPI function tracing" @@ -324,14 +328,6 @@ config ACPI_DEBUG_FUNC_TRACE ACPI Debug Statements slow down ACPI processing. Function trace is about half of the penalty and is rarely useful. -config ACPI_EC - bool - default y - help - This driver is required on some systems for the proper operation of - the battery and thermal drivers. If you are compiling for a - mobile system, say Y. - config ACPI_PCI_SLOT tristate "PCI slot detection driver" default n @@ -341,10 +337,6 @@ config ACPI_PCI_SLOT help you correlate PCI bus addresses with the physical geography of your slots. If you are unsure, say N. -config ACPI_POWER - bool - default y - config ACPI_SYSTEM bool default y diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index d91c027ece8..3c0c93300f1 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -39,19 +39,23 @@ obj-y += sleep/ obj-y += bus.o glue.o obj-y += scan.o # Keep EC driver first. Initialization of others depend on it. -obj-$(CONFIG_ACPI_EC) += ec.o +obj-y += ec.o obj-$(CONFIG_ACPI_AC) += ac.o obj-$(CONFIG_ACPI_BATTERY) += battery.o obj-$(CONFIG_ACPI_BUTTON) += button.o obj-$(CONFIG_ACPI_FAN) += fan.o obj-$(CONFIG_ACPI_DOCK) += dock.o obj-$(CONFIG_ACPI_VIDEO) += video.o +ifdef CONFIG_ACPI_VIDEO +obj-y += video_detect.o +endif + obj-y += pci_root.o pci_link.o pci_irq.o pci_bind.o obj-$(CONFIG_ACPI_PCI_SLOT) += pci_slot.o obj-$(CONFIG_ACPI_PROCESSOR) += processor.o obj-$(CONFIG_ACPI_CONTAINER) += container.o obj-$(CONFIG_ACPI_THERMAL) += thermal.o -obj-$(CONFIG_ACPI_POWER) += power.o +obj-y += power.o obj-$(CONFIG_ACPI_SYSTEM) += system.o event.o obj-$(CONFIG_ACPI_DEBUG) += debug.o obj-$(CONFIG_ACPI_NUMA) += numa.o diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c index d72a1b6c8a9..9b917dac773 100644 --- a/drivers/acpi/ac.c +++ b/drivers/acpi/ac.c @@ -37,7 +37,6 @@ #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> -#define ACPI_AC_COMPONENT 0x00020000 #define ACPI_AC_CLASS "ac_adapter" #define ACPI_AC_DEVICE_NAME "AC Adapter" #define ACPI_AC_FILE_STATE "state" @@ -242,7 +241,7 @@ static void acpi_ac_notify(acpi_handle handle, u32 event, void *data) acpi_ac_get_state(ac); acpi_bus_generate_proc_event(device, event, (u32) ac->state); acpi_bus_generate_netlink_event(device->pnp.device_class, - device->dev.bus_id, event, + dev_name(&device->dev), event, (u32) ac->state); #ifdef CONFIG_ACPI_SYSFS_POWER kobject_uevent(&ac->charger.dev->kobj, KOBJ_CHANGE); diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c index 71d21c51c45..63a17b55b39 100644 --- a/drivers/acpi/acpi_memhotplug.c +++ b/drivers/acpi/acpi_memhotplug.c @@ -32,7 +32,6 @@ #include <linux/memory_hotplug.h> #include <acpi/acpi_drivers.h> -#define ACPI_MEMORY_DEVICE_COMPONENT 0x08000000UL #define ACPI_MEMORY_DEVICE_CLASS "memory" #define ACPI_MEMORY_DEVICE_HID "PNP0C80" #define ACPI_MEMORY_DEVICE_NAME "Hotplug Mem Device" diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index b2133e89ad9..1423b0c0cd2 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -46,7 +46,6 @@ #define ACPI_BATTERY_VALUE_UNKNOWN 0xFFFFFFFF -#define ACPI_BATTERY_COMPONENT 0x00040000 #define ACPI_BATTERY_CLASS "battery" #define ACPI_BATTERY_DEVICE_NAME "Battery" #define ACPI_BATTERY_NOTIFY_STATUS 0x80 @@ -782,7 +781,7 @@ static void acpi_battery_notify(acpi_handle handle, u32 event, void *data) acpi_bus_generate_proc_event(device, event, acpi_battery_present(battery)); acpi_bus_generate_netlink_event(device->pnp.device_class, - device->dev.bus_id, event, + dev_name(&device->dev), event, acpi_battery_present(battery)); #ifdef CONFIG_ACPI_SYSFS_POWER /* acpi_batter_update could remove power_supply object */ diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index c797c6473f3..7edf6d913c1 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -688,6 +688,14 @@ void __init acpi_early_init(void) if (acpi_disabled) return; + /* + * ACPI CA initializes acpi_dbg_level to non-zero, which means + * we get debug output merely by turning on CONFIG_ACPI_DEBUG. + * Turn it off so we don't get output unless the user specifies + * acpi.debug_level. + */ + acpi_dbg_level = 0; + printk(KERN_INFO PREFIX "Core revision %08x\n", ACPI_CA_VERSION); /* enable workarounds, unless strict ACPI spec. compliance */ @@ -774,7 +782,7 @@ static int __init acpi_bus_init(void) "Unable to initialize ACPI OS objects\n"); goto error1; } -#ifdef CONFIG_ACPI_EC + /* * ACPI 2.0 requires the EC driver to be loaded and work before * the EC device is found in the namespace (i.e. before acpi_initialize_objects() @@ -785,7 +793,6 @@ static int __init acpi_bus_init(void) */ status = acpi_ec_ecdt_probe(); /* Ignore result. Not having an ECDT is not fatal. */ -#endif status = acpi_initialize_objects(ACPI_FULL_INITIALIZATION); if (ACPI_FAILURE(status)) { diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index cb046c3fc3f..171fd914f43 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -33,7 +33,6 @@ #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> -#define ACPI_BUTTON_COMPONENT 0x00080000 #define ACPI_BUTTON_CLASS "button" #define ACPI_BUTTON_FILE_INFO "info" #define ACPI_BUTTON_FILE_STATE "state" @@ -479,7 +478,7 @@ static int acpi_button_add(struct acpi_device *device) device->wakeup.gpe_number, ACPI_GPE_TYPE_WAKE_RUN); acpi_enable_gpe(device->wakeup.gpe_device, - device->wakeup.gpe_number, ACPI_NOT_ISR); + device->wakeup.gpe_number); device->wakeup.state.enabled = 1; } diff --git a/drivers/acpi/cm_sbs.c b/drivers/acpi/cm_sbs.c index 4441e84b28a..307963bd104 100644 --- a/drivers/acpi/cm_sbs.c +++ b/drivers/acpi/cm_sbs.c @@ -34,7 +34,6 @@ ACPI_MODULE_NAME("cm_sbs"); #define ACPI_AC_CLASS "ac_adapter" #define ACPI_BATTERY_CLASS "battery" -#define ACPI_SBS_COMPONENT 0x00080000 #define _COMPONENT ACPI_SBS_COMPONENT static struct proc_dir_entry *acpi_ac_dir; static struct proc_dir_entry *acpi_battery_dir; @@ -105,9 +104,3 @@ void acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir_param) return; } EXPORT_SYMBOL(acpi_unlock_battery_dir); - -static int __init acpi_cm_sbs_init(void) -{ - return 0; -} -subsys_initcall(acpi_cm_sbs_init); diff --git a/drivers/acpi/container.c b/drivers/acpi/container.c index 134818b265a..17020c12623 100644 --- a/drivers/acpi/container.c +++ b/drivers/acpi/container.c @@ -41,7 +41,6 @@ #define INSTALL_NOTIFY_HANDLER 1 #define UNINSTALL_NOTIFY_HANDLER 2 -#define ACPI_CONTAINER_COMPONENT 0x01000000 #define _COMPONENT ACPI_CONTAINER_COMPONENT ACPI_MODULE_NAME("container"); diff --git a/drivers/acpi/debug.c b/drivers/acpi/debug.c index abf36b4b1d1..c4839689200 100644 --- a/drivers/acpi/debug.c +++ b/drivers/acpi/debug.c @@ -44,6 +44,21 @@ static const struct acpi_dlayer acpi_debug_layers[] = { ACPI_DEBUG_INIT(ACPI_CA_DISASSEMBLER), ACPI_DEBUG_INIT(ACPI_COMPILER), ACPI_DEBUG_INIT(ACPI_TOOLS), + + ACPI_DEBUG_INIT(ACPI_BUS_COMPONENT), + ACPI_DEBUG_INIT(ACPI_AC_COMPONENT), + ACPI_DEBUG_INIT(ACPI_BATTERY_COMPONENT), + ACPI_DEBUG_INIT(ACPI_BUTTON_COMPONENT), + ACPI_DEBUG_INIT(ACPI_SBS_COMPONENT), + ACPI_DEBUG_INIT(ACPI_FAN_COMPONENT), + ACPI_DEBUG_INIT(ACPI_PCI_COMPONENT), + ACPI_DEBUG_INIT(ACPI_POWER_COMPONENT), + ACPI_DEBUG_INIT(ACPI_CONTAINER_COMPONENT), + ACPI_DEBUG_INIT(ACPI_SYSTEM_COMPONENT), + ACPI_DEBUG_INIT(ACPI_THERMAL_COMPONENT), + ACPI_DEBUG_INIT(ACPI_MEMORY_DEVICE_COMPONENT), + ACPI_DEBUG_INIT(ACPI_VIDEO_COMPONENT), + ACPI_DEBUG_INIT(ACPI_PROCESSOR_COMPONENT), }; static const struct acpi_dlevel acpi_debug_levels[] = { diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index ef42316f89f..cf41f9fc24a 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -70,7 +70,7 @@ enum ec_command { #define ACPI_EC_UDELAY_GLK 1000 /* Wait 1ms max. to get global lock */ #define ACPI_EC_UDELAY 100 /* Wait 100us before polling EC again */ -#define ACPI_EC_STORM_THRESHOLD 20 /* number of false interrupts +#define ACPI_EC_STORM_THRESHOLD 8 /* number of false interrupts per one transaction */ enum { @@ -100,8 +100,11 @@ struct transaction { u8 *rdata; unsigned short irq_count; u8 command; + u8 wi; + u8 ri; u8 wlen; u8 rlen; + bool done; }; static struct acpi_ec { @@ -178,34 +181,45 @@ static int ec_transaction_done(struct acpi_ec *ec) unsigned long flags; int ret = 0; spin_lock_irqsave(&ec->curr_lock, flags); - if (!ec->curr || (!ec->curr->wlen && !ec->curr->rlen)) + if (!ec->curr || ec->curr->done) ret = 1; spin_unlock_irqrestore(&ec->curr_lock, flags); return ret; } +static void start_transaction(struct acpi_ec *ec) +{ + ec->curr->irq_count = ec->curr->wi = ec->curr->ri = 0; + ec->curr->done = false; + acpi_ec_write_cmd(ec, ec->curr->command); +} + static void gpe_transaction(struct acpi_ec *ec, u8 status) { unsigned long flags; spin_lock_irqsave(&ec->curr_lock, flags); if (!ec->curr) goto unlock; - if (ec->curr->wlen > 0) { - if ((status & ACPI_EC_FLAG_IBF) == 0) { - acpi_ec_write_data(ec, *(ec->curr->wdata++)); - --ec->curr->wlen; - } else - /* false interrupt, state didn't change */ - ++ec->curr->irq_count; - - } else if (ec->curr->rlen > 0) { + if (ec->curr->wlen > ec->curr->wi) { + if ((status & ACPI_EC_FLAG_IBF) == 0) + acpi_ec_write_data(ec, + ec->curr->wdata[ec->curr->wi++]); + else + goto err; + } else if (ec->curr->rlen > ec->curr->ri) { if ((status & ACPI_EC_FLAG_OBF) == 1) { - *(ec->curr->rdata++) = acpi_ec_read_data(ec); - --ec->curr->rlen; + ec->curr->rdata[ec->curr->ri++] = acpi_ec_read_data(ec); + if (ec->curr->rlen == ec->curr->ri) + ec->curr->done = true; } else - /* false interrupt, state didn't change */ - ++ec->curr->irq_count; - } + goto err; + } else if (ec->curr->wlen == ec->curr->wi && + (status & ACPI_EC_FLAG_IBF) == 0) + ec->curr->done = true; + goto unlock; +err: + /* false interrupt, state didn't change */ + ++ec->curr->irq_count; unlock: spin_unlock_irqrestore(&ec->curr_lock, flags); } @@ -215,6 +229,15 @@ static int acpi_ec_wait(struct acpi_ec *ec) if (wait_event_timeout(ec->wait, ec_transaction_done(ec), msecs_to_jiffies(ACPI_EC_DELAY))) return 0; + /* try restart command if we get any false interrupts */ + if (ec->curr->irq_count && + (acpi_ec_read_status(ec) & ACPI_EC_FLAG_IBF) == 0) { + pr_debug(PREFIX "controller reset, restart transaction\n"); + start_transaction(ec); + if (wait_event_timeout(ec->wait, ec_transaction_done(ec), + msecs_to_jiffies(ACPI_EC_DELAY))) + return 0; + } /* missing GPEs, switch back to poll mode */ if (printk_ratelimit()) pr_info(PREFIX "missing confirmations, " @@ -239,10 +262,10 @@ static int ec_check_sci(struct acpi_ec *ec, u8 state) static int ec_poll(struct acpi_ec *ec) { unsigned long delay = jiffies + msecs_to_jiffies(ACPI_EC_DELAY); - msleep(1); + udelay(ACPI_EC_UDELAY); while (time_before(jiffies, delay)) { gpe_transaction(ec, acpi_ec_read_status(ec)); - msleep(1); + udelay(ACPI_EC_UDELAY); if (ec_transaction_done(ec)) return 0; } @@ -259,14 +282,13 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, /* disable GPE during transaction if storm is detected */ if (test_bit(EC_FLAGS_GPE_STORM, &ec->flags)) { clear_bit(EC_FLAGS_GPE_MODE, &ec->flags); - acpi_disable_gpe(NULL, ec->gpe, ACPI_NOT_ISR); + acpi_disable_gpe(NULL, ec->gpe); } /* start transaction */ spin_lock_irqsave(&ec->curr_lock, tmp); /* following two actions should be kept atomic */ - t->irq_count = 0; ec->curr = t; - acpi_ec_write_cmd(ec, ec->curr->command); + start_transaction(ec); if (ec->curr->command == ACPI_EC_COMMAND_QUERY) clear_bit(EC_FLAGS_QUERY_PENDING, &ec->flags); spin_unlock_irqrestore(&ec->curr_lock, tmp); @@ -283,10 +305,11 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, /* check if we received SCI during transaction */ ec_check_sci(ec, acpi_ec_read_status(ec)); /* it is safe to enable GPE outside of transaction */ - acpi_enable_gpe(NULL, ec->gpe, ACPI_NOT_ISR); + acpi_enable_gpe(NULL, ec->gpe); } else if (test_bit(EC_FLAGS_GPE_MODE, &ec->flags) && t->irq_count > ACPI_EC_STORM_THRESHOLD) { - pr_debug(PREFIX "GPE storm detected\n"); + pr_info(PREFIX "GPE storm detected, " + "transactions will use polling mode\n"); set_bit(EC_FLAGS_GPE_STORM, &ec->flags); } return ret; @@ -558,17 +581,26 @@ static u32 acpi_ec_gpe_handler(void *data) pr_debug(PREFIX "~~~> interrupt\n"); status = acpi_ec_read_status(ec); - gpe_transaction(ec, status); - if (ec_transaction_done(ec) && (status & ACPI_EC_FLAG_IBF) == 0) - wake_up(&ec->wait); + if (test_bit(EC_FLAGS_GPE_MODE, &ec->flags)) { + gpe_transaction(ec, status); + if (ec_transaction_done(ec) && + (status & ACPI_EC_FLAG_IBF) == 0) + wake_up(&ec->wait); + } ec_check_sci(ec, status); if (!test_bit(EC_FLAGS_GPE_MODE, &ec->flags) && !test_bit(EC_FLAGS_NO_GPE, &ec->flags)) { /* this is non-query, must be confirmation */ - if (printk_ratelimit()) - pr_info(PREFIX "non-query interrupt received," + if (!test_bit(EC_FLAGS_GPE_STORM, &ec->flags)) { + if (printk_ratelimit()) + pr_info(PREFIX "non-query interrupt received," + " switching to interrupt mode\n"); + } else { + /* hush, STORM switches the mode every transaction */ + pr_debug(PREFIX "non-query interrupt received," " switching to interrupt mode\n"); + } set_bit(EC_FLAGS_GPE_MODE, &ec->flags); } return ACPI_INTERRUPT_HANDLED; @@ -736,7 +768,7 @@ static acpi_status ec_parse_device(acpi_handle handle, u32 Level, void *context, void **retval) { acpi_status status; - unsigned long long tmp; + unsigned long long tmp = 0; struct acpi_ec *ec = context; status = acpi_walk_resources(handle, METHOD_NAME__CRS, @@ -751,6 +783,7 @@ ec_parse_device(acpi_handle handle, u32 Level, void *context, void **retval) return status; ec->gpe = tmp; /* Use the global lock for all EC transactions? */ + tmp = 0; acpi_evaluate_integer(handle, "_GLK", NULL, &tmp); ec->global_lock = tmp; ec->handle = handle; @@ -868,7 +901,7 @@ static int ec_install_handlers(struct acpi_ec *ec) if (ACPI_FAILURE(status)) return -ENODEV; acpi_set_gpe_type(NULL, ec->gpe, ACPI_GPE_TYPE_RUNTIME); - acpi_enable_gpe(NULL, ec->gpe, ACPI_NOT_ISR); + acpi_enable_gpe(NULL, ec->gpe); status = acpi_install_address_space_handler(ec->handle, ACPI_ADR_SPACE_EC, &acpi_ec_space_handler, @@ -1007,7 +1040,7 @@ static int acpi_ec_suspend(struct acpi_device *device, pm_message_t state) /* Stop using GPE */ set_bit(EC_FLAGS_NO_GPE, &ec->flags); clear_bit(EC_FLAGS_GPE_MODE, &ec->flags); - acpi_disable_gpe(NULL, ec->gpe, ACPI_NOT_ISR); + acpi_disable_gpe(NULL, ec->gpe); return 0; } @@ -1016,7 +1049,7 @@ static int acpi_ec_resume(struct acpi_device *device) struct acpi_ec *ec = acpi_driver_data(device); /* Enable use of GPE back */ clear_bit(EC_FLAGS_NO_GPE, &ec->flags); - acpi_enable_gpe(NULL, ec->gpe, ACPI_NOT_ISR); + acpi_enable_gpe(NULL, ec->gpe); return 0; } diff --git a/drivers/acpi/events/evgpe.c b/drivers/acpi/events/evgpe.c index c5e53aae86f..f45c74fe745 100644 --- a/drivers/acpi/events/evgpe.c +++ b/drivers/acpi/events/evgpe.c @@ -289,8 +289,6 @@ acpi_status acpi_ev_disable_gpe(struct acpi_gpe_event_info *gpe_event_info) */ status = acpi_hw_low_disable_gpe(gpe_event_info); return_ACPI_STATUS(status); - - return_ACPI_STATUS(AE_OK); } /******************************************************************************* diff --git a/drivers/acpi/events/evxfevnt.c b/drivers/acpi/events/evxfevnt.c index 73bfd6bf962..41554f736b6 100644 --- a/drivers/acpi/events/evxfevnt.c +++ b/drivers/acpi/events/evxfevnt.c @@ -248,21 +248,15 @@ ACPI_EXPORT_SYMBOL(acpi_set_gpe_type) * DESCRIPTION: Enable an ACPI event (general purpose) * ******************************************************************************/ -acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags) +acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number) { acpi_status status = AE_OK; + acpi_cpu_flags flags; struct acpi_gpe_event_info *gpe_event_info; ACPI_FUNCTION_TRACE(acpi_enable_gpe); - /* Use semaphore lock if not executing at interrupt level */ - - if (flags & ACPI_NOT_ISR) { - status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - } + flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock); /* Ensure that we have a valid GPE number */ @@ -277,9 +271,7 @@ acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags) status = acpi_ev_enable_gpe(gpe_event_info, TRUE); unlock_and_exit: - if (flags & ACPI_NOT_ISR) { - (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); - } + acpi_os_release_lock(acpi_gbl_gpe_lock, flags); return_ACPI_STATUS(status); } @@ -299,22 +291,15 @@ ACPI_EXPORT_SYMBOL(acpi_enable_gpe) * DESCRIPTION: Disable an ACPI event (general purpose) * ******************************************************************************/ -acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags) +acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number) { acpi_status status = AE_OK; + acpi_cpu_flags flags; struct acpi_gpe_event_info *gpe_event_info; ACPI_FUNCTION_TRACE(acpi_disable_gpe); - /* Use semaphore lock if not executing at interrupt level */ - - if (flags & ACPI_NOT_ISR) { - status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - } - + flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock); /* Ensure that we have a valid GPE number */ gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number); @@ -325,10 +310,8 @@ acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags) status = acpi_ev_disable_gpe(gpe_event_info); - unlock_and_exit: - if (flags & ACPI_NOT_ISR) { - (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); - } +unlock_and_exit: + acpi_os_release_lock(acpi_gbl_gpe_lock, flags); return_ACPI_STATUS(status); } @@ -521,6 +504,9 @@ acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status) if (value) *event_status |= ACPI_EVENT_FLAG_SET; + if (acpi_gbl_fixed_event_handlers[event].handler) + *event_status |= ACPI_EVENT_FLAG_HANDLE; + return_ACPI_STATUS(status); } @@ -571,6 +557,9 @@ acpi_get_gpe_status(acpi_handle gpe_device, status = acpi_hw_get_gpe_status(gpe_event_info, event_status); + if (gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) + *event_status |= ACPI_EVENT_FLAG_HANDLE; + unlock_and_exit: if (flags & ACPI_NOT_ISR) { (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c index 60d54d1f6b1..eaaee1660bd 100644 --- a/drivers/acpi/fan.c +++ b/drivers/acpi/fan.c @@ -34,7 +34,6 @@ #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> -#define ACPI_FAN_COMPONENT 0x00200000 #define ACPI_FAN_CLASS "fan" #define ACPI_FAN_FILE_STATE "state" diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index 24649ada08d..adec3d15810 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -140,6 +140,46 @@ struct device *acpi_get_physical_device(acpi_handle handle) EXPORT_SYMBOL(acpi_get_physical_device); +/* ToDo: When a PCI bridge is found, return the PCI device behind the bridge + * This should work in general, but did not on a Lenovo T61 for the + * graphics card. But this must be fixed when the PCI device is + * bound and the kernel device struct is attached to the acpi device + * Note: A success call will increase reference count by one + * Do call put_device(dev) on the returned device then + */ +struct device *acpi_get_physical_pci_device(acpi_handle handle) +{ + struct device *dev; + long long device_id; + acpi_status status; + + status = + acpi_evaluate_integer(handle, "_ADR", NULL, &device_id); + + if (ACPI_FAILURE(status)) + return NULL; + + /* We need to attempt to determine whether the _ADR refers to a + PCI device or not. There's no terribly good way to do this, + so the best we can hope for is to assume that there'll never + be a device in the host bridge */ + if (device_id >= 0x10000) { + /* It looks like a PCI device. Does it exist? */ + dev = acpi_get_physical_device(handle); + } else { + /* It doesn't look like a PCI device. Does its parent + exist? */ + acpi_handle phandle; + if (acpi_get_parent(handle, &phandle)) + return NULL; + dev = acpi_get_physical_device(phandle); + } + if (!dev) + return NULL; + return dev; +} +EXPORT_SYMBOL(acpi_get_physical_pci_device); + static int acpi_bind_one(struct device *dev, acpi_handle handle) { struct acpi_device *acpi_dev; diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index fcfdef7b4fd..e52ad91ce2d 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -531,7 +531,7 @@ int __init acpi_irq_penalty_init(void) return 0; } -static int acpi_irq_balance; /* 0: static, 1: balance */ +static int acpi_irq_balance = -1; /* 0: static, 1: balance */ static int acpi_pci_link_allocate(struct acpi_pci_link *link) { @@ -950,10 +950,17 @@ device_initcall(irqrouter_init_sysfs); static int __init acpi_pci_link_init(void) { - if (acpi_noirq) return 0; + if (acpi_irq_balance == -1) { + /* no command line switch: enable balancing in IOAPIC mode */ + if (acpi_irq_model == ACPI_IRQ_MODEL_IOAPIC) + acpi_irq_balance = 1; + else + acpi_irq_balance = 0; + } + acpi_link.count = 0; INIT_LIST_HEAD(&acpi_link.entries); diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index 1b8f67d21d5..642554b1b60 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -376,15 +376,9 @@ static int acpi_pci_root_remove(struct acpi_device *device, int type) static int __init acpi_pci_root_init(void) { - if (acpi_pci_disabled) return 0; - /* DEBUG: - acpi_dbg_layer = ACPI_PCI_COMPONENT; - acpi_dbg_level = 0xFFFFFFFF; - */ - if (acpi_bus_register_driver(&acpi_pci_root_driver) < 0) return -ENODEV; diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index a1718e56103..bb7d50dd281 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -44,9 +44,8 @@ #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> -#define _COMPONENT ACPI_POWER_COMPONENT +#define _COMPONENT ACPI_POWER_COMPONENT ACPI_MODULE_NAME("power"); -#define ACPI_POWER_COMPONENT 0x00800000 #define ACPI_POWER_CLASS "power_resource" #define ACPI_POWER_DEVICE_NAME "Power Resource" #define ACPI_POWER_FILE_INFO "info" @@ -153,7 +152,8 @@ static int acpi_power_get_state(acpi_handle handle, int *state) ACPI_POWER_RESOURCE_STATE_OFF; ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Resource [%s] is %s\n", - acpi_ut_get_node_name(handle), state ? "on" : "off")); + acpi_ut_get_node_name(handle), + *state ? "on" : "off")); return 0; } @@ -516,11 +516,6 @@ int acpi_power_transition(struct acpi_device *device, int state) cl = &device->power.states[device->power.state].resources; tl = &device->power.states[state].resources; - if (!cl->count && !tl->count) { - result = -ENODEV; - goto end; - } - /* TBD: Resources must be ordered. */ /* diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index 24a362f8034..34948362f41 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -59,7 +59,6 @@ #include <acpi/acpi_drivers.h> #include <acpi/processor.h> -#define ACPI_PROCESSOR_COMPONENT 0x01000000 #define ACPI_PROCESSOR_CLASS "processor" #define ACPI_PROCESSOR_DEVICE_NAME "Processor" #define ACPI_PROCESSOR_FILE_INFO "info" @@ -89,6 +88,7 @@ static int acpi_processor_handle_eject(struct acpi_processor *pr); static const struct acpi_device_id processor_device_ids[] = { + {ACPI_PROCESSOR_OBJECT_HID, 0}, {ACPI_PROCESSOR_HID, 0}, {"", 0}, }; @@ -409,7 +409,7 @@ static int acpi_processor_remove_fs(struct acpi_device *device) /* Use the acpiid in MADT to map cpus in case of SMP */ #ifndef CONFIG_SMP -static int get_cpu_id(acpi_handle handle, u32 acpi_id) {return -1;} +static int get_cpu_id(acpi_handle handle, int type, u32 acpi_id) { return -1; } #else static struct acpi_table_madt *madt; @@ -428,27 +428,35 @@ static int map_lapic_id(struct acpi_subtable_header *entry, } static int map_lsapic_id(struct acpi_subtable_header *entry, - u32 acpi_id, int *apic_id) + int device_declaration, u32 acpi_id, int *apic_id) { struct acpi_madt_local_sapic *lsapic = (struct acpi_madt_local_sapic *)entry; + u32 tmp = (lsapic->id << 8) | lsapic->eid; + /* Only check enabled APICs*/ - if (lsapic->lapic_flags & ACPI_MADT_ENABLED) { - /* First check against id */ - if (lsapic->processor_id == acpi_id) { - *apic_id = (lsapic->id << 8) | lsapic->eid; - return 1; - /* Check against optional uid */ - } else if (entry->length >= 16 && - lsapic->uid == acpi_id) { - *apic_id = lsapic->uid; - return 1; - } - } + if (!(lsapic->lapic_flags & ACPI_MADT_ENABLED)) + return 0; + + /* Device statement declaration type */ + if (device_declaration) { + if (entry->length < 16) + printk(KERN_ERR PREFIX + "Invalid LSAPIC with Device type processor (SAPIC ID %#x)\n", + tmp); + else if (lsapic->uid == acpi_id) + goto found; + /* Processor statement declaration type */ + } else if (lsapic->processor_id == acpi_id) + goto found; + return 0; +found: + *apic_id = tmp; + return 1; } -static int map_madt_entry(u32 acpi_id) +static int map_madt_entry(int type, u32 acpi_id) { unsigned long madt_end, entry; int apic_id = -1; @@ -469,7 +477,7 @@ static int map_madt_entry(u32 acpi_id) if (map_lapic_id(header, acpi_id, &apic_id)) break; } else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC) { - if (map_lsapic_id(header, acpi_id, &apic_id)) + if (map_lsapic_id(header, type, acpi_id, &apic_id)) break; } entry += header->length; @@ -477,7 +485,7 @@ static int map_madt_entry(u32 acpi_id) return apic_id; } -static int map_mat_entry(acpi_handle handle, u32 acpi_id) +static int map_mat_entry(acpi_handle handle, int type, u32 acpi_id) { struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; union acpi_object *obj; @@ -500,7 +508,7 @@ static int map_mat_entry(acpi_handle handle, u32 acpi_id) if (header->type == ACPI_MADT_TYPE_LOCAL_APIC) { map_lapic_id(header, acpi_id, &apic_id); } else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC) { - map_lsapic_id(header, acpi_id, &apic_id); + map_lsapic_id(header, type, acpi_id, &apic_id); } exit: @@ -509,14 +517,14 @@ exit: return apic_id; } -static int get_cpu_id(acpi_handle handle, u32 acpi_id) +static int get_cpu_id(acpi_handle handle, int type, u32 acpi_id) { int i; int apic_id = -1; - apic_id = map_mat_entry(handle, acpi_id); + apic_id = map_mat_entry(handle, type, acpi_id); if (apic_id == -1) - apic_id = map_madt_entry(acpi_id); + apic_id = map_madt_entry(type, acpi_id); if (apic_id == -1) return apic_id; @@ -532,15 +540,16 @@ static int get_cpu_id(acpi_handle handle, u32 acpi_id) Driver Interface -------------------------------------------------------------------------- */ -static int acpi_processor_get_info(struct acpi_processor *pr, unsigned has_uid) +static int acpi_processor_get_info(struct acpi_device *device) { acpi_status status = 0; union acpi_object object = { 0 }; struct acpi_buffer buffer = { sizeof(union acpi_object), &object }; - int cpu_index; + struct acpi_processor *pr; + int cpu_index, device_declaration = 0; static int cpu0_initialized; - + pr = acpi_driver_data(device); if (!pr) return -EINVAL; @@ -561,22 +570,23 @@ static int acpi_processor_get_info(struct acpi_processor *pr, unsigned has_uid) ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No bus mastering arbitration control\n")); - /* Check if it is a Device with HID and UID */ - if (has_uid) { + if (!strcmp(acpi_device_hid(device), ACPI_PROCESSOR_HID)) { + /* + * Declared with "Device" statement; match _UID. + * Note that we don't handle string _UIDs yet. + */ unsigned long long value; status = acpi_evaluate_integer(pr->handle, METHOD_NAME__UID, NULL, &value); if (ACPI_FAILURE(status)) { - printk(KERN_ERR PREFIX "Evaluating processor _UID\n"); + printk(KERN_ERR PREFIX + "Evaluating processor _UID [%#x]\n", status); return -ENODEV; } + device_declaration = 1; pr->acpi_id = value; } else { - /* - * Evalute the processor object. Note that it is common on SMP to - * have the first (boot) processor with a valid PBLK address while - * all others have a NULL address. - */ + /* Declared with "Processor" statement; match ProcessorID */ status = acpi_evaluate_object(pr->handle, NULL, NULL, &buffer); if (ACPI_FAILURE(status)) { printk(KERN_ERR PREFIX "Evaluating processor object\n"); @@ -584,12 +594,13 @@ static int acpi_processor_get_info(struct acpi_processor *pr, unsigned has_uid) } /* - * TBD: Synch processor ID (via LAPIC/LSAPIC structures) on SMP. - * >>> 'acpi_get_processor_id(acpi_id, &id)' in arch/xxx/acpi.c - */ + * TBD: Synch processor ID (via LAPIC/LSAPIC structures) on SMP. + * >>> 'acpi_get_processor_id(acpi_id, &id)' in + * arch/xxx/acpi.c + */ pr->acpi_id = object.processor.proc_id; } - cpu_index = get_cpu_id(pr->handle, pr->acpi_id); + cpu_index = get_cpu_id(pr->handle, device_declaration, pr->acpi_id); /* Handle UP system running SMP kernel, with no LAPIC in MADT */ if (!cpu0_initialized && (cpu_index == -1) && @@ -661,7 +672,7 @@ static int __cpuinit acpi_processor_start(struct acpi_device *device) pr = acpi_driver_data(device); - result = acpi_processor_get_info(pr, device->flags.unique_id); + result = acpi_processor_get_info(device); if (result) { /* Processor is physically not present */ return 0; @@ -761,20 +772,20 @@ static void acpi_processor_notify(acpi_handle handle, u32 event, void *data) acpi_bus_generate_proc_event(device, event, pr->performance_platform_limit); acpi_bus_generate_netlink_event(device->pnp.device_class, - device->dev.bus_id, event, + dev_name(&device->dev), event, pr->performance_platform_limit); break; case ACPI_PROCESSOR_NOTIFY_POWER: acpi_processor_cst_has_changed(pr); acpi_bus_generate_proc_event(device, event, 0); acpi_bus_generate_netlink_event(device->pnp.device_class, - device->dev.bus_id, event, 0); + dev_name(&device->dev), event, 0); break; case ACPI_PROCESSOR_NOTIFY_THROTTLING: acpi_processor_tstate_has_changed(pr); acpi_bus_generate_proc_event(device, event, 0); acpi_bus_generate_netlink_event(device->pnp.device_class, - device->dev.bus_id, event, 0); + dev_name(&device->dev), event, 0); default: ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Unsupported event [0x%x]\n", event)); diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 81b40ed5379..5f8d746a9b8 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -59,7 +59,6 @@ #include <acpi/processor.h> #include <asm/processor.h> -#define ACPI_PROCESSOR_COMPONENT 0x01000000 #define ACPI_PROCESSOR_CLASS "processor" #define _COMPONENT ACPI_PROCESSOR_COMPONENT ACPI_MODULE_NAME("processor_idle"); diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index dbcf260ea93..0d7b772bef5 100644 --- a/drivers/acpi/processor_perflib.c +++ b/drivers/acpi/processor_perflib.c @@ -44,9 +44,9 @@ #endif #include <acpi/acpi_bus.h> +#include <acpi/acpi_drivers.h> #include <acpi/processor.h> -#define ACPI_PROCESSOR_COMPONENT 0x01000000 #define ACPI_PROCESSOR_CLASS "processor" #define ACPI_PROCESSOR_FILE_PERFORMANCE "performance" #define _COMPONENT ACPI_PROCESSOR_COMPONENT diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c index ef34b18f95c..b1eb376fae4 100644 --- a/drivers/acpi/processor_thermal.c +++ b/drivers/acpi/processor_thermal.c @@ -40,7 +40,6 @@ #include <acpi/processor.h> #include <acpi/acpi_drivers.h> -#define ACPI_PROCESSOR_COMPONENT 0x01000000 #define ACPI_PROCESSOR_CLASS "processor" #define _COMPONENT ACPI_PROCESSOR_COMPONENT ACPI_MODULE_NAME("processor_thermal"); diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c index 3da2df93d92..a0c38c94a8a 100644 --- a/drivers/acpi/processor_throttling.c +++ b/drivers/acpi/processor_throttling.c @@ -38,9 +38,9 @@ #include <asm/uaccess.h> #include <acpi/acpi_bus.h> +#include <acpi/acpi_drivers.h> #include <acpi/processor.h> -#define ACPI_PROCESSOR_COMPONENT 0x01000000 #define ACPI_PROCESSOR_CLASS "processor" #define _COMPONENT ACPI_PROCESSOR_COMPONENT ACPI_MODULE_NAME("processor_throttling"); diff --git a/drivers/acpi/reboot.c b/drivers/acpi/reboot.c index 755baf2ca70..a6b662c00b6 100644 --- a/drivers/acpi/reboot.c +++ b/drivers/acpi/reboot.c @@ -15,28 +15,9 @@ void acpi_reboot(void) rr = &acpi_gbl_FADT.reset_register; - /* - * Is the ACPI reset register supported? - * - * According to ACPI 3.0, FADT.flags.RESET_REG_SUP indicates - * whether the ACPI reset mechanism is supported. - * - * However, some boxes have this bit clear, yet a valid - * ACPI_RESET_REG & RESET_VALUE, and ACPI reboot is the only - * mechanism that works for them after S3. - * - * This suggests that other operating systems may not be checking - * the RESET_REG_SUP bit, and are using other means to decide - * whether to use the ACPI reboot mechanism or not. - * - * So when acpi reboot is requested, - * only the reset_register is checked. If the following - * conditions are met, it indicates that the reset register is supported. - * a. reset_register is not zero - * b. the access width is eight - * c. the bit_offset is zero - */ - if (!(rr->address) || rr->bit_width != 8 || rr->bit_offset != 0) + /* Is the reset register supported? */ + if (!(acpi_gbl_FADT.flags & ACPI_FADT_RESET_REGISTER) || + rr->bit_width != 8 || rr->bit_offset != 0) return; reset_value = acpi_gbl_FADT.reset_value; diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index a9dda8e0f9f..bd5253ee5c8 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -109,8 +109,7 @@ static int acpi_bus_hot_remove_device(void *context) return 0; ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Hot-removing device %s...\n", device->dev.bus_id)); - + "Hot-removing device %s...\n", dev_name(&device->dev))); if (acpi_bus_trim(device, 1)) { printk(KERN_ERR PREFIX @@ -460,7 +459,7 @@ static int acpi_device_register(struct acpi_device *device, acpi_device_bus_id->instance_no = 0; list_add_tail(&acpi_device_bus_id->node, &acpi_bus_id_list); } - sprintf(device->dev.bus_id, "%s:%02x", acpi_device_bus_id->bus_id, acpi_device_bus_id->instance_no); + dev_set_name(&device->dev, "%s:%02x", acpi_device_bus_id->bus_id, acpi_device_bus_id->instance_no); if (device->parent) { list_add_tail(&device->node, &device->parent->children); @@ -484,7 +483,8 @@ static int acpi_device_register(struct acpi_device *device, result = acpi_device_setup_files(device); if(result) - printk(KERN_ERR PREFIX "Error creating sysfs interface for device %s\n", device->dev.bus_id); + printk(KERN_ERR PREFIX "Error creating sysfs interface for device %s\n", + dev_name(&device->dev)); device->removal_type = ACPI_BUS_REMOVAL_NORMAL; return 0; @@ -919,36 +919,6 @@ static void acpi_device_get_busid(struct acpi_device *device, } } -static int -acpi_video_bus_match(struct acpi_device *device) -{ - acpi_handle h_dummy; - - if (!device) - return -EINVAL; - - /* Since there is no HID, CID for ACPI Video drivers, we have - * to check well known required nodes for each feature we support. - */ - - /* Does this device able to support video switching ? */ - if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOD", &h_dummy)) && - ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOS", &h_dummy))) - return 0; - - /* Does this device able to retrieve a video ROM ? */ - if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_ROM", &h_dummy))) - return 0; - - /* Does this device able to configure which video head to be POSTed ? */ - if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_VPO", &h_dummy)) && - ACPI_SUCCESS(acpi_get_handle(device->handle, "_GPD", &h_dummy)) && - ACPI_SUCCESS(acpi_get_handle(device->handle, "_SPD", &h_dummy))) - return 0; - - return -ENODEV; -} - /* * acpi_bay_match - see if a device is an ejectable driver bay * @@ -1031,7 +1001,7 @@ static void acpi_device_set_id(struct acpi_device *device, will get autoloaded and the device might still match against another driver. */ - if (ACPI_SUCCESS(acpi_video_bus_match(device))) + if (acpi_is_video_device(device)) cid_add = ACPI_VIDEO_HID; else if (ACPI_SUCCESS(acpi_bay_match(device))) cid_add = ACPI_BAY_HID; @@ -1043,7 +1013,7 @@ static void acpi_device_set_id(struct acpi_device *device, hid = ACPI_POWER_HID; break; case ACPI_BUS_TYPE_PROCESSOR: - hid = ACPI_PROCESSOR_HID; + hid = ACPI_PROCESSOR_OBJECT_HID; break; case ACPI_BUS_TYPE_SYSTEM: hid = ACPI_SYSTEM_HID; diff --git a/drivers/acpi/sleep/proc.c b/drivers/acpi/sleep/proc.c index 631ee2ee2ca..64e591ba86f 100644 --- a/drivers/acpi/sleep/proc.c +++ b/drivers/acpi/sleep/proc.c @@ -366,8 +366,8 @@ acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset) dev->wakeup.state.enabled ? "enabled" : "disabled"); if (ldev) seq_printf(seq, "%s:%s", - ldev->bus ? ldev->bus->name : "no-bus", - ldev->bus_id); + dev_name(ldev) ? ldev->bus->name : "no-bus", + dev_name(ldev)); seq_printf(seq, "\n"); put_device(ldev); diff --git a/drivers/acpi/sleep/wakeup.c b/drivers/acpi/sleep/wakeup.c index 38655eb132d..dea4c23df76 100644 --- a/drivers/acpi/sleep/wakeup.c +++ b/drivers/acpi/sleep/wakeup.c @@ -88,7 +88,7 @@ void acpi_enable_wakeup_device(u8 sleep_state) spin_unlock(&acpi_device_lock); if (!dev->wakeup.flags.run_wake) acpi_enable_gpe(dev->wakeup.gpe_device, - dev->wakeup.gpe_number, ACPI_ISR); + dev->wakeup.gpe_number); spin_lock(&acpi_device_lock); } spin_unlock(&acpi_device_lock); @@ -122,7 +122,7 @@ void acpi_disable_wakeup_device(u8 sleep_state) ACPI_GPE_TYPE_WAKE_RUN); /* Re-enable it, since set_gpe_type will disable it */ acpi_enable_gpe(dev->wakeup.gpe_device, - dev->wakeup.gpe_number, ACPI_NOT_ISR); + dev->wakeup.gpe_number); spin_lock(&acpi_device_lock); } continue; @@ -133,7 +133,7 @@ void acpi_disable_wakeup_device(u8 sleep_state) /* Never disable run-wake GPE */ if (!dev->wakeup.flags.run_wake) { acpi_disable_gpe(dev->wakeup.gpe_device, - dev->wakeup.gpe_number, ACPI_NOT_ISR); + dev->wakeup.gpe_number); acpi_clear_gpe(dev->wakeup.gpe_device, dev->wakeup.gpe_number, ACPI_NOT_ISR); } @@ -162,7 +162,7 @@ static int __init acpi_wakeup_device_init(void) dev->wakeup.gpe_number, ACPI_GPE_TYPE_WAKE_RUN); acpi_enable_gpe(dev->wakeup.gpe_device, - dev->wakeup.gpe_number, ACPI_NOT_ISR); + dev->wakeup.gpe_number); dev->wakeup.state.enabled = 1; spin_lock(&acpi_device_lock); } diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c index 1d74171b794..6e4107f8240 100644 --- a/drivers/acpi/system.c +++ b/drivers/acpi/system.c @@ -78,9 +78,15 @@ static ssize_t acpi_table_show(struct kobject *kobj, container_of(bin_attr, struct acpi_table_attr, attr); struct acpi_table_header *table_header = NULL; acpi_status status; + char name[ACPI_NAME_SIZE]; + + if (strncmp(table_attr->name, "NULL", 4)) + memcpy(name, table_attr->name, ACPI_NAME_SIZE); + else + memcpy(name, "\0\0\0\0", 4); status = - acpi_get_table(table_attr->name, table_attr->instance, + acpi_get_table(name, table_attr->instance, &table_header); if (ACPI_FAILURE(status)) return -ENODEV; @@ -95,21 +101,24 @@ static void acpi_table_attr_init(struct acpi_table_attr *table_attr, struct acpi_table_header *header = NULL; struct acpi_table_attr *attr = NULL; - memcpy(table_attr->name, table_header->signature, ACPI_NAME_SIZE); + if (table_header->signature[0] != '\0') + memcpy(table_attr->name, table_header->signature, + ACPI_NAME_SIZE); + else + memcpy(table_attr->name, "NULL", 4); list_for_each_entry(attr, &acpi_table_attr_list, node) { - if (!memcmp(table_header->signature, attr->name, - ACPI_NAME_SIZE)) + if (!memcmp(table_attr->name, attr->name, ACPI_NAME_SIZE)) if (table_attr->instance < attr->instance) table_attr->instance = attr->instance; } table_attr->instance++; if (table_attr->instance > 1 || (table_attr->instance == 1 && - !acpi_get_table(table_header-> - signature, 2, - &header))) - sprintf(table_attr->name + 4, "%d", table_attr->instance); + !acpi_get_table + (table_header->signature, 2, &header))) + sprintf(table_attr->name + ACPI_NAME_SIZE, "%d", + table_attr->instance); table_attr->attr.size = 0; table_attr->attr.read = acpi_table_show; @@ -167,7 +176,6 @@ static int acpi_system_sysfs_init(void) #define COUNT_ERROR 2 /* other */ #define NUM_COUNTERS_EXTRA 3 -#define ACPI_EVENT_VALID 0x01 struct event_counter { u32 count; u32 flags; @@ -312,12 +320,6 @@ static int get_status(u32 index, acpi_event_status *status, acpi_handle *handle) } else if (index < (num_gpes + ACPI_NUM_FIXED_EVENTS)) result = acpi_get_event_status(index - num_gpes, status); - /* - * sleep/power button GPE/Fixed Event is enabled after acpi_system_init, - * check the status at runtime and mark it as valid once it's enabled - */ - if (!result && (*status & ACPI_EVENT_FLAG_ENABLED)) - all_counters[index].flags |= ACPI_EVENT_VALID; end: return result; } @@ -346,12 +348,14 @@ static ssize_t counter_show(struct kobject *kobj, if (result) goto end; - if (!(all_counters[index].flags & ACPI_EVENT_VALID)) - size += sprintf(buf + size, " invalid"); + if (!(status & ACPI_EVENT_FLAG_HANDLE)) + size += sprintf(buf + size, " invalid"); else if (status & ACPI_EVENT_FLAG_ENABLED) - size += sprintf(buf + size, " enable"); + size += sprintf(buf + size, " enabled"); + else if (status & ACPI_EVENT_FLAG_WAKE_ENABLED) + size += sprintf(buf + size, " wake_enabled"); else - size += sprintf(buf + size, " disable"); + size += sprintf(buf + size, " disabled"); end: size += sprintf(buf + size, "\n"); @@ -385,7 +389,7 @@ static ssize_t counter_set(struct kobject *kobj, if (result) goto end; - if (!(all_counters[index].flags & ACPI_EVENT_VALID)) { + if (!(status & ACPI_EVENT_FLAG_HANDLE)) { printk(KERN_WARNING PREFIX "Can not change Invalid GPE/Fixed Event status\n"); return -EINVAL; @@ -394,10 +398,10 @@ static ssize_t counter_set(struct kobject *kobj, if (index < num_gpes) { if (!strcmp(buf, "disable\n") && (status & ACPI_EVENT_FLAG_ENABLED)) - result = acpi_disable_gpe(handle, index, ACPI_NOT_ISR); + result = acpi_disable_gpe(handle, index); else if (!strcmp(buf, "enable\n") && !(status & ACPI_EVENT_FLAG_ENABLED)) - result = acpi_enable_gpe(handle, index, ACPI_NOT_ISR); + result = acpi_enable_gpe(handle, index); else if (!strcmp(buf, "clear\n") && (status & ACPI_EVENT_FLAG_SET)) result = acpi_clear_gpe(handle, index, ACPI_NOT_ISR); diff --git a/drivers/acpi/tables/tbfadt.c b/drivers/acpi/tables/tbfadt.c index 2c7885e7ffb..2817158fb6a 100644 --- a/drivers/acpi/tables/tbfadt.c +++ b/drivers/acpi/tables/tbfadt.c @@ -304,7 +304,7 @@ static void acpi_tb_convert_fadt(void) * The ACPI 1.0 reserved fields that will be zeroed are the bytes located at * offset 45, 55, 95, and the word located at offset 109, 110. */ - if (acpi_gbl_FADT.header.revision < 3) { + if (acpi_gbl_FADT.header.revision < FADT2_REVISION_ID) { acpi_gbl_FADT.preferred_profile = 0; acpi_gbl_FADT.pstate_control = 0; acpi_gbl_FADT.cst_control = 0; diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index ad6cae938f0..073ff09218a 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -47,7 +47,6 @@ #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> -#define ACPI_THERMAL_COMPONENT 0x04000000 #define ACPI_THERMAL_CLASS "thermal_zone" #define ACPI_THERMAL_DEVICE_NAME "Thermal Zone" #define ACPI_THERMAL_FILE_STATE "state" @@ -576,7 +575,7 @@ static int acpi_thermal_critical(struct acpi_thermal *tz) acpi_bus_generate_proc_event(tz->device, ACPI_THERMAL_NOTIFY_CRITICAL, tz->trips.critical.flags.enabled); acpi_bus_generate_netlink_event(tz->device->pnp.device_class, - tz->device->dev.bus_id, + dev_name(&tz->device->dev), ACPI_THERMAL_NOTIFY_CRITICAL, tz->trips.critical.flags.enabled); @@ -605,7 +604,7 @@ static int acpi_thermal_hot(struct acpi_thermal *tz) acpi_bus_generate_proc_event(tz->device, ACPI_THERMAL_NOTIFY_HOT, tz->trips.hot.flags.enabled); acpi_bus_generate_netlink_event(tz->device->pnp.device_class, - tz->device->dev.bus_id, + dev_name(&tz->device->dev), ACPI_THERMAL_NOTIFY_HOT, tz->trips.hot.flags.enabled); @@ -1592,14 +1591,14 @@ static void acpi_thermal_notify(acpi_handle handle, u32 event, void *data) acpi_thermal_check(tz); acpi_bus_generate_proc_event(device, event, 0); acpi_bus_generate_netlink_event(device->pnp.device_class, - device->dev.bus_id, event, 0); + dev_name(&device->dev), event, 0); break; case ACPI_THERMAL_NOTIFY_DEVICES: acpi_thermal_trips_update(tz, ACPI_TRIPS_REFRESH_DEVICES); acpi_thermal_check(tz); acpi_bus_generate_proc_event(device, event, 0); acpi_bus_generate_netlink_event(device->pnp.device_class, - device->dev.bus_id, event, 0); + dev_name(&device->dev), event, 0); break; default: ACPI_DEBUG_PRINT((ACPI_DB_INFO, diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index a29b0ccac65..baa44192972 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -41,7 +41,6 @@ #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> -#define ACPI_VIDEO_COMPONENT 0x08000000 #define ACPI_VIDEO_CLASS "video" #define ACPI_VIDEO_BUS_NAME "Video Bus" #define ACPI_VIDEO_DEVICE_NAME "Video Device" @@ -739,7 +738,8 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) device->cap._DSS = 1; } - max_level = acpi_video_init_brightness(device); + if (acpi_video_backlight_support()) + max_level = acpi_video_init_brightness(device); if (device->cap._BCL && device->cap._BCM && max_level > 0) { int result; @@ -785,18 +785,21 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) printk(KERN_ERR PREFIX "Create sysfs link\n"); } - if (device->cap._DCS && device->cap._DSS){ - static int count = 0; - char *name; - name = kzalloc(MAX_NAME_LEN, GFP_KERNEL); - if (!name) - return; - sprintf(name, "acpi_video%d", count++); - device->output_dev = video_output_register(name, - NULL, device, &acpi_output_properties); - kfree(name); + + if (acpi_video_display_switch_support()) { + + if (device->cap._DCS && device->cap._DSS) { + static int count; + char *name; + name = kzalloc(MAX_NAME_LEN, GFP_KERNEL); + if (!name) + return; + sprintf(name, "acpi_video%d", count++); + device->output_dev = video_output_register(name, + NULL, device, &acpi_output_properties); + kfree(name); + } } - return; } /* @@ -842,11 +845,16 @@ static void acpi_video_bus_find_cap(struct acpi_video_bus *video) static int acpi_video_bus_check(struct acpi_video_bus *video) { acpi_status status = -ENOENT; - + struct device *dev; if (!video) return -EINVAL; + dev = acpi_get_physical_pci_device(video->device->handle); + if (!dev) + return -ENODEV; + put_device(dev); + /* Since there is no HID, CID and so on for VGA driver, we have * to check well known required nodes. */ @@ -2094,12 +2102,6 @@ static int __init acpi_video_init(void) { int result = 0; - - /* - acpi_dbg_level = 0xFFFFFFFF; - acpi_dbg_layer = 0x08000000; - */ - acpi_video_dir = proc_mkdir(ACPI_VIDEO_CLASS, acpi_root_dir); if (!acpi_video_dir) return -ENODEV; diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c new file mode 100644 index 00000000000..f022eb6f563 --- /dev/null +++ b/drivers/acpi/video_detect.c @@ -0,0 +1,267 @@ +/* + * Copyright (C) 2008 SuSE Linux Products GmbH + * Thomas Renninger <trenn@suse.de> + * + * May be copied or modified under the terms of the GNU General Public License + * + * video_detect.c: + * Provides acpi_is_video_device() for early scanning of ACPI devices in scan.c + * There a Linux specific (Spec does not provide a HID for video devices) is + * assinged + * + * After PCI devices are glued with ACPI devices + * acpi_get_physical_pci_device() can be called to identify ACPI graphics + * devices for which a real graphics card is plugged in + * + * Now acpi_video_get_capabilities() can be called to check which + * capabilities the graphics cards plugged in support. The check for general + * video capabilities will be triggered by the first caller of + * acpi_video_get_capabilities(NULL); which will happen when the first + * backlight (or display output) switching supporting driver calls: + * acpi_video_backlight_support(); + * + * Depending on whether ACPI graphics extensions (cmp. ACPI spec Appendix B) + * are available, video.ko should be used to handle the device. + * + * Otherwise vendor specific drivers like thinkpad_acpi, asus_acpi, + * sony_acpi,... can take care about backlight brightness and display output + * switching. + * + * If CONFIG_ACPI_VIDEO is neither set as "compiled in" (y) nor as a module (m) + * this file will not be compiled, acpi_video_get_capabilities() and + * acpi_video_backlight_support() will always return 0 and vendor specific + * drivers always can handle backlight. + * + */ + +#include <linux/acpi.h> +#include <linux/dmi.h> + +ACPI_MODULE_NAME("video"); +#define _COMPONENT ACPI_VIDEO_COMPONENT + +static long acpi_video_support; +static bool acpi_video_caps_checked; + +static acpi_status +acpi_backlight_cap_match(acpi_handle handle, u32 level, void *context, + void **retyurn_value) +{ + long *cap = context; + acpi_handle h_dummy; + + if (ACPI_SUCCESS(acpi_get_handle(handle, "_BCM", &h_dummy)) && + ACPI_SUCCESS(acpi_get_handle(handle, "_BCL", &h_dummy))) { + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found generic backlight " + "support\n")); + *cap |= ACPI_VIDEO_BACKLIGHT; + /* We have backlight support, no need to scan further */ + return AE_CTRL_TERMINATE; + } + return 0; +} + +/* Returns true if the device is a video device which can be handled by + * video.ko. + * The device will get a Linux specific CID added in scan.c to + * identify the device as an ACPI graphics device + * Be aware that the graphics device may not be physically present + * Use acpi_video_get_capabilities() to detect general ACPI video + * capabilities of present cards + */ +long acpi_is_video_device(struct acpi_device *device) +{ + acpi_handle h_dummy; + long video_caps = 0; + + if (!device) + return 0; + + /* Does this device able to support video switching ? */ + if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOD", &h_dummy)) && + ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOS", &h_dummy))) + video_caps |= ACPI_VIDEO_OUTPUT_SWITCHING; + + /* Does this device able to retrieve a video ROM ? */ + if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_ROM", &h_dummy))) + video_caps |= ACPI_VIDEO_ROM_AVAILABLE; + + /* Does this device able to configure which video head to be POSTed ? */ + if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_VPO", &h_dummy)) && + ACPI_SUCCESS(acpi_get_handle(device->handle, "_GPD", &h_dummy)) && + ACPI_SUCCESS(acpi_get_handle(device->handle, "_SPD", &h_dummy))) + video_caps |= ACPI_VIDEO_DEVICE_POSTING; + + /* Only check for backlight functionality if one of the above hit. */ + if (video_caps) + acpi_walk_namespace(ACPI_TYPE_DEVICE, device->handle, + ACPI_UINT32_MAX, acpi_backlight_cap_match, + &video_caps, NULL); + + return video_caps; +} +EXPORT_SYMBOL(acpi_is_video_device); + +static acpi_status +find_video(acpi_handle handle, u32 lvl, void *context, void **rv) +{ + long *cap = context; + struct device *dev; + struct acpi_device *acpi_dev; + + const struct acpi_device_id video_ids[] = { + {ACPI_VIDEO_HID, 0}, + {"", 0}, + }; + if (acpi_bus_get_device(handle, &acpi_dev)) + return AE_OK; + + if (!acpi_match_device_ids(acpi_dev, video_ids)) { + dev = acpi_get_physical_pci_device(handle); + if (!dev) + return AE_OK; + put_device(dev); + *cap |= acpi_is_video_device(acpi_dev); + } + return AE_OK; +} + +/* + * Returns the video capabilities of a specific ACPI graphics device + * + * if NULL is passed as argument all ACPI devices are enumerated and + * all graphics capabilities of physically present devices are + * summerized and returned. This is cached and done only once. + */ +long acpi_video_get_capabilities(acpi_handle graphics_handle) +{ + long caps = 0; + struct acpi_device *tmp_dev; + acpi_status status; + + if (acpi_video_caps_checked && graphics_handle == NULL) + return acpi_video_support; + + if (!graphics_handle) { + /* Only do the global walk through all graphics devices once */ + acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, + ACPI_UINT32_MAX, find_video, + &caps, NULL); + /* There might be boot param flags set already... */ + acpi_video_support |= caps; + acpi_video_caps_checked = 1; + /* Add blacklists here. Be careful to use the right *DMI* bits + * to still be able to override logic via boot params, e.g.: + * + * if (dmi_name_in_vendors("XY")) { + * acpi_video_support |= + * ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR; + * acpi_video_support |= + * ACPI_VIDEO_BACKLIGHT_DMI_VENDOR; + *} + */ + } else { + status = acpi_bus_get_device(graphics_handle, &tmp_dev); + if (ACPI_FAILURE(status)) { + ACPI_EXCEPTION((AE_INFO, status, "Invalid device")); + return 0; + } + acpi_walk_namespace(ACPI_TYPE_DEVICE, graphics_handle, + ACPI_UINT32_MAX, find_video, + &caps, NULL); + } + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "We have 0x%lX video support %s %s\n", + graphics_handle ? caps : acpi_video_support, + graphics_handle ? "on device " : "in general", + graphics_handle ? acpi_device_bid(tmp_dev) : "")); + return caps; +} +EXPORT_SYMBOL(acpi_video_get_capabilities); + +/* Returns true if video.ko can do backlight switching */ +int acpi_video_backlight_support(void) +{ + /* + * We must check whether the ACPI graphics device is physically plugged + * in. Therefore this must be called after binding PCI and ACPI devices + */ + if (!acpi_video_caps_checked) + acpi_video_get_capabilities(NULL); + + /* First check for boot param -> highest prio */ + if (acpi_video_support & ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR) + return 0; + else if (acpi_video_support & ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO) + return 1; + + /* Then check for DMI blacklist -> second highest prio */ + if (acpi_video_support & ACPI_VIDEO_BACKLIGHT_DMI_VENDOR) + return 0; + else if (acpi_video_support & ACPI_VIDEO_BACKLIGHT_DMI_VIDEO) + return 1; + + /* Then go the default way */ + return acpi_video_support & ACPI_VIDEO_BACKLIGHT; +} +EXPORT_SYMBOL(acpi_video_backlight_support); + +/* + * Returns true if video.ko can do display output switching. + * This does not work well/at all with binary graphics drivers + * which disable system io ranges and do it on their own. + */ +int acpi_video_display_switch_support(void) +{ + if (!acpi_video_caps_checked) + acpi_video_get_capabilities(NULL); + + if (acpi_video_support & ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR) + return 0; + else if (acpi_video_support & ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO) + return 1; + + if (acpi_video_support & ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR) + return 0; + else if (acpi_video_support & ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO) + return 1; + + return acpi_video_support & ACPI_VIDEO_OUTPUT_SWITCHING; +} +EXPORT_SYMBOL(acpi_video_display_switch_support); + +/* + * Use acpi_display_output=vendor/video or acpi_backlight=vendor/video + * To force that backlight or display output switching is processed by vendor + * specific acpi drivers or video.ko driver. + */ +int __init acpi_backlight(char *str) +{ + if (str == NULL || *str == '\0') + return 1; + else { + if (!strcmp("vendor", str)) + acpi_video_support |= + ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR; + if (!strcmp("video", str)) + acpi_video_support |= + ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO; + } + return 1; +} +__setup("acpi_backlight=", acpi_backlight); + +int __init acpi_display_output(char *str) +{ + if (str == NULL || *str == '\0') + return 1; + else { + if (!strcmp("vendor", str)) + acpi_video_support |= + ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR; + if (!strcmp("video", str)) + acpi_video_support |= + ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO; + } + return 1; +} +__setup("acpi_display_output=", acpi_display_output); diff --git a/drivers/acpi/wmi.c b/drivers/acpi/wmi.c index 47cd7baf9b1..8a8b377712c 100644 --- a/drivers/acpi/wmi.c +++ b/drivers/acpi/wmi.c @@ -660,7 +660,7 @@ static void acpi_wmi_notify(acpi_handle handle, u32 event, void *data) wblock->handler(event, wblock->handler_data); acpi_bus_generate_netlink_event( - device->pnp.device_class, device->dev.bus_id, + device->pnp.device_class, dev_name(&device->dev), event, 0); break; } diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 622350d9b2e..4214bfb13bb 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -612,7 +612,7 @@ u64 ata_tf_read_block(struct ata_taskfile *tf, struct ata_device *dev) if (tf->flags & ATA_TFLAG_LBA48) { block |= (u64)tf->hob_lbah << 40; block |= (u64)tf->hob_lbam << 32; - block |= tf->hob_lbal << 24; + block |= (u64)tf->hob_lbal << 24; } else block |= (tf->device & 0xf) << 24; @@ -1712,6 +1712,8 @@ unsigned ata_exec_internal_sg(struct ata_device *dev, else tag = 0; + if (test_and_set_bit(tag, &ap->qc_allocated)) + BUG(); qc = __ata_qc_from_tag(ap, tag); qc->tag = tag; @@ -4563,6 +4565,37 @@ void swap_buf_le16(u16 *buf, unsigned int buf_words) } /** + * ata_qc_new - Request an available ATA command, for queueing + * @ap: Port associated with device @dev + * @dev: Device from whom we request an available command structure + * + * LOCKING: + * None. + */ + +static struct ata_queued_cmd *ata_qc_new(struct ata_port *ap) +{ + struct ata_queued_cmd *qc = NULL; + unsigned int i; + + /* no command while frozen */ + if (unlikely(ap->pflags & ATA_PFLAG_FROZEN)) + return NULL; + + /* the last tag is reserved for internal command. */ + for (i = 0; i < ATA_MAX_QUEUE - 1; i++) + if (!test_and_set_bit(i, &ap->qc_allocated)) { + qc = __ata_qc_from_tag(ap, i); + break; + } + + if (qc) + qc->tag = i; + + return qc; +} + +/** * ata_qc_new_init - Request an available ATA command, and initialize it * @dev: Device from whom we request an available command structure * @tag: command tag @@ -4571,20 +4604,16 @@ void swap_buf_le16(u16 *buf, unsigned int buf_words) * None. */ -struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev, int tag) +struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev) { struct ata_port *ap = dev->link->ap; struct ata_queued_cmd *qc; - if (unlikely(ap->pflags & ATA_PFLAG_FROZEN)) - return NULL; - - qc = __ata_qc_from_tag(ap, tag); + qc = ata_qc_new(ap); if (qc) { qc->scsicmd = NULL; qc->ap = ap; qc->dev = dev; - qc->tag = tag; ata_qc_reinit(qc); } @@ -4592,6 +4621,31 @@ struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev, int tag) return qc; } +/** + * ata_qc_free - free unused ata_queued_cmd + * @qc: Command to complete + * + * Designed to free unused ata_queued_cmd object + * in case something prevents using it. + * + * LOCKING: + * spin_lock_irqsave(host lock) + */ +void ata_qc_free(struct ata_queued_cmd *qc) +{ + struct ata_port *ap = qc->ap; + unsigned int tag; + + WARN_ON(qc == NULL); /* ata_qc_from_tag _might_ return NULL */ + + qc->flags = 0; + tag = qc->tag; + if (likely(ata_tag_valid(tag))) { + qc->tag = ATA_TAG_POISON; + clear_bit(tag, &ap->qc_allocated); + } +} + void __ata_qc_complete(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index 8077bdf5d30..32da9a93ce4 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -610,9 +610,6 @@ void ata_scsi_error(struct Scsi_Host *host) if (ata_ncq_enabled(dev)) ehc->saved_ncq_enabled |= 1 << devno; } - - /* set last reset timestamp to some time in the past */ - ehc->last_reset = jiffies - 60 * HZ; } ap->pflags |= ATA_PFLAG_EH_IN_PROGRESS; @@ -2281,17 +2278,21 @@ int ata_eh_reset(struct ata_link *link, int classify, if (link->flags & ATA_LFLAG_NO_SRST) softreset = NULL; - now = jiffies; - deadline = ata_deadline(ehc->last_reset, ATA_EH_RESET_COOL_DOWN); - if (time_before(now, deadline)) - schedule_timeout_uninterruptible(deadline - now); + /* make sure each reset attemp is at least COOL_DOWN apart */ + if (ehc->i.flags & ATA_EHI_DID_RESET) { + now = jiffies; + WARN_ON(time_after(ehc->last_reset, now)); + deadline = ata_deadline(ehc->last_reset, + ATA_EH_RESET_COOL_DOWN); + if (time_before(now, deadline)) + schedule_timeout_uninterruptible(deadline - now); + } spin_lock_irqsave(ap->lock, flags); ap->pflags |= ATA_PFLAG_RESETTING; spin_unlock_irqrestore(ap->lock, flags); ata_eh_about_to_do(link, NULL, ATA_EH_RESET); - ehc->last_reset = jiffies; ata_link_for_each_dev(dev, link) { /* If we issue an SRST then an ATA drive (not ATAPI) @@ -2379,7 +2380,6 @@ int ata_eh_reset(struct ata_link *link, int classify, /* * Perform reset */ - ehc->last_reset = jiffies; if (ata_is_host_link(link)) ata_eh_freeze_port(ap); @@ -2391,6 +2391,7 @@ int ata_eh_reset(struct ata_link *link, int classify, reset == softreset ? "soft" : "hard"); /* mark that this EH session started with reset */ + ehc->last_reset = jiffies; if (reset == hardreset) ehc->i.flags |= ATA_EHI_DID_HARDRESET; else @@ -2535,7 +2536,7 @@ int ata_eh_reset(struct ata_link *link, int classify, ata_eh_done(link, NULL, ATA_EH_RESET); if (slave) ata_eh_done(slave, NULL, ATA_EH_RESET); - ehc->last_reset = jiffies; + ehc->last_reset = jiffies; /* update to completion time */ ehc->i.action |= ATA_EH_REVALIDATE; rc = 0; diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 3fa75eac135..47c7afcb36f 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -709,11 +709,7 @@ static struct ata_queued_cmd *ata_scsi_qc_new(struct ata_device *dev, { struct ata_queued_cmd *qc; - if (cmd->request->tag != -1) - qc = ata_qc_new_init(dev, cmd->request->tag); - else - qc = ata_qc_new_init(dev, 0); - + qc = ata_qc_new_init(dev); if (qc) { qc->scsicmd = cmd; qc->scsidone = done; @@ -1108,17 +1104,7 @@ static int ata_scsi_dev_config(struct scsi_device *sdev, depth = min(sdev->host->can_queue, ata_id_queue_depth(dev->id)); depth = min(ATA_MAX_QUEUE - 1, depth); - - /* - * If this device is behind a port multiplier, we have - * to share the tag map between all devices on that PMP. - * Set up the shared tag map here and we get automatic. - */ - if (dev->link->ap->pmp_link) - scsi_init_shared_tag_map(sdev->host, ATA_MAX_QUEUE - 1); - - scsi_set_tag_type(sdev, MSG_SIMPLE_TAG); - scsi_activate_tcq(sdev, depth); + scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, depth); } return 0; @@ -1958,11 +1944,6 @@ static unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf) hdr[1] |= (1 << 7); memcpy(rbuf, hdr, sizeof(hdr)); - - /* if ncq, set tags supported */ - if (ata_id_has_ncq(args->id)) - rbuf[7] |= (1 << 1); - memcpy(&rbuf[8], "ATA ", 8); ata_id_string(args->id, &rbuf[16], ATA_ID_PROD, 16); ata_id_string(args->id, &rbuf[32], ATA_ID_FW_REV, 4); diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index d3831d39bda..fe2839e5877 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -74,7 +74,7 @@ extern struct ata_link *ata_dev_phys_link(struct ata_device *dev); extern void ata_force_cbl(struct ata_port *ap); extern u64 ata_tf_to_lba(const struct ata_taskfile *tf); extern u64 ata_tf_to_lba48(const struct ata_taskfile *tf); -extern struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev, int tag); +extern struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev); extern int ata_build_rw_tf(struct ata_taskfile *tf, struct ata_device *dev, u64 block, u32 n_block, unsigned int tf_flags, unsigned int tag); @@ -103,6 +103,7 @@ extern int ata_dev_configure(struct ata_device *dev); extern int sata_down_spd_limit(struct ata_link *link); extern int ata_down_xfermask_limit(struct ata_device *dev, unsigned int sel); extern void ata_sg_clean(struct ata_queued_cmd *qc); +extern void ata_qc_free(struct ata_queued_cmd *qc); extern void ata_qc_issue(struct ata_queued_cmd *qc); extern void __ata_qc_complete(struct ata_queued_cmd *qc); extern int atapi_check_dma(struct ata_queued_cmd *qc); @@ -118,22 +119,6 @@ extern struct ata_port *ata_port_alloc(struct ata_host *host); extern void ata_dev_enable_pm(struct ata_device *dev, enum link_pm policy); extern void ata_lpm_schedule(struct ata_port *ap, enum link_pm); -/** - * ata_qc_free - free unused ata_queued_cmd - * @qc: Command to complete - * - * Designed to free unused ata_queued_cmd object - * in case something prevents using it. - * - * LOCKING: - * spin_lock_irqsave(host lock) - */ -static inline void ata_qc_free(struct ata_queued_cmd *qc) -{ - qc->flags = 0; - qc->tag = ATA_TAG_POISON; -} - /* libata-acpi.c */ #ifdef CONFIG_ATA_ACPI extern void ata_acpi_associate_sata_port(struct ata_port *ap); diff --git a/drivers/ata/pata_cs5535.c b/drivers/ata/pata_cs5535.c index 1b2d4a0f5f7..8b236af84c2 100644 --- a/drivers/ata/pata_cs5535.c +++ b/drivers/ata/pata_cs5535.c @@ -72,7 +72,6 @@ /** * cs5535_cable_detect - detect cable type * @ap: Port to detect on - * @deadline: deadline jiffies for the operation * * Perform cable detection for ATA66 capable cable. Return a libata * cable type. diff --git a/drivers/ata/pata_cs5536.c b/drivers/ata/pata_cs5536.c index 73f8332cb67..afed9297619 100644 --- a/drivers/ata/pata_cs5536.c +++ b/drivers/ata/pata_cs5536.c @@ -110,7 +110,6 @@ static inline int cs5536_write(struct pci_dev *pdev, int reg, int val) /** * cs5536_cable_detect - detect cable type * @ap: Port to detect on - * @deadline: deadline jiffies for the operation * * Perform cable detection for ATA66 capable cable. Return a libata * cable type. diff --git a/drivers/ata/pata_pcmcia.c b/drivers/ata/pata_pcmcia.c index 271cb64d429..64b2e2281ee 100644 --- a/drivers/ata/pata_pcmcia.c +++ b/drivers/ata/pata_pcmcia.c @@ -416,6 +416,7 @@ static struct pcmcia_device_id pcmcia_devices[] = { PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209), PCMCIA_DEVICE_PROD_ID12("STI", "Flash 5.0", 0xbf2df18d, 0x8cb57a0e), PCMCIA_MFC_DEVICE_PROD_ID12(1, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6), + PCMCIA_DEVICE_PROD_ID2("Flash Card", 0x5a362506), PCMCIA_DEVICE_NULL, }; diff --git a/drivers/ata/pata_sch.c b/drivers/ata/pata_sch.c index c8cc027789f..6aeeeeb3412 100644 --- a/drivers/ata/pata_sch.c +++ b/drivers/ata/pata_sch.c @@ -83,7 +83,7 @@ static struct ata_port_operations sch_pata_ops = { }; static struct ata_port_info sch_port_info = { - .flags = 0, + .flags = ATA_FLAG_SLAVE_POSS, .pio_mask = ATA_PIO4, /* pio0-4 */ .mwdma_mask = ATA_MWDMA2, /* mwdma0-2 */ .udma_mask = ATA_UDMA5, /* udma0-5 */ diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index 4023885353e..12de1fdaa6c 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -96,6 +96,8 @@ static const struct pci_device_id cciss_pci_device_id[] = { {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSE, 0x103C, 0x3245}, {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSE, 0x103C, 0x3247}, {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSE, 0x103C, 0x3249}, + {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSE, 0x103C, 0x324A}, + {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSE, 0x103C, 0x324B}, {PCI_VENDOR_ID_HP, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_RAID << 8, 0xffff << 8, 0}, {0,} @@ -133,6 +135,8 @@ static struct board_type products[] = { {0x3245103C, "Smart Array P410i", &SA5_access}, {0x3247103C, "Smart Array P411", &SA5_access}, {0x3249103C, "Smart Array P812", &SA5_access}, + {0x324A103C, "Smart Array P712m", &SA5_access}, + {0x324B103C, "Smart Array P711m", &SA5_access}, {0xFFFF103C, "Unknown Smart Array", &SA5_access}, }; @@ -1366,6 +1370,7 @@ static void cciss_add_disk(ctlr_info_t *h, struct gendisk *disk, disk->first_minor = drv_index << NWD_SHIFT; disk->fops = &cciss_fops; disk->private_data = &h->drv[drv_index]; + disk->driverfs_dev = &h->pdev->dev; /* Set up queue information */ blk_queue_bounce_limit(disk->queue, h->pdev->dma_mask); @@ -3404,7 +3409,8 @@ static int __devinit cciss_init_one(struct pci_dev *pdev, int i; int j = 0; int rc; - int dac; + int dac, return_code; + InquiryData_struct *inq_buff = NULL; i = alloc_cciss_hba(); if (i < 0) @@ -3510,6 +3516,25 @@ static int __devinit cciss_init_one(struct pci_dev *pdev, /* Turn the interrupts on so we can service requests */ hba[i]->access.set_intr_mask(hba[i], CCISS_INTR_ON); + /* Get the firmware version */ + inq_buff = kzalloc(sizeof(InquiryData_struct), GFP_KERNEL); + if (inq_buff == NULL) { + printk(KERN_ERR "cciss: out of memory\n"); + goto clean4; + } + + return_code = sendcmd_withirq(CISS_INQUIRY, i, inq_buff, + sizeof(InquiryData_struct), 0, 0 , 0, TYPE_CMD); + if (return_code == IO_OK) { + hba[i]->firm_ver[0] = inq_buff->data_byte[32]; + hba[i]->firm_ver[1] = inq_buff->data_byte[33]; + hba[i]->firm_ver[2] = inq_buff->data_byte[34]; + hba[i]->firm_ver[3] = inq_buff->data_byte[35]; + } else { /* send command failed */ + printk(KERN_WARNING "cciss: unable to determine firmware" + " version of controller\n"); + } + cciss_procinit(i); hba[i]->cciss_max_sectors = 2048; @@ -3520,6 +3545,7 @@ static int __devinit cciss_init_one(struct pci_dev *pdev, return 1; clean4: + kfree(inq_buff); #ifdef CONFIG_CISS_SCSI_TAPE kfree(hba[i]->scsi_rejects.complete); #endif diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c index 47d233c6d0b..5d39df14ed9 100644 --- a/drivers/block/cpqarray.c +++ b/drivers/block/cpqarray.c @@ -567,7 +567,12 @@ static int __init cpqarray_init(void) num_cntlrs_reg++; } - return(num_cntlrs_reg); + if (num_cntlrs_reg) + return 0; + else { + pci_unregister_driver(&cpqarray_pci_driver); + return -ENODEV; + } } /* Function to find the first free pointer into our hba[] array */ diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c index 8a59aaa21be..7a88dfd4427 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -422,9 +422,11 @@ struct ipmi_smi { /** * The driver model view of the IPMI messaging driver. */ -static struct device_driver ipmidriver = { - .name = "ipmi", - .bus = &platform_bus_type +static struct platform_driver ipmidriver = { + .driver = { + .name = "ipmi", + .bus = &platform_bus_type + } }; static DEFINE_MUTEX(ipmidriver_mutex); @@ -2384,9 +2386,9 @@ static int ipmi_bmc_register(ipmi_smi_t intf, int ifnum, * representing the interfaced BMC already */ if (bmc->guid_set) - old_bmc = ipmi_find_bmc_guid(&ipmidriver, bmc->guid); + old_bmc = ipmi_find_bmc_guid(&ipmidriver.driver, bmc->guid); else - old_bmc = ipmi_find_bmc_prod_dev_id(&ipmidriver, + old_bmc = ipmi_find_bmc_prod_dev_id(&ipmidriver.driver, bmc->id.product_id, bmc->id.device_id); @@ -2416,7 +2418,7 @@ static int ipmi_bmc_register(ipmi_smi_t intf, int ifnum, snprintf(name, sizeof(name), "ipmi_bmc.%4.4x", bmc->id.product_id); - while (ipmi_find_bmc_prod_dev_id(&ipmidriver, + while (ipmi_find_bmc_prod_dev_id(&ipmidriver.driver, bmc->id.product_id, bmc->id.device_id)) { if (!warn_printed) { @@ -2446,7 +2448,7 @@ static int ipmi_bmc_register(ipmi_smi_t intf, int ifnum, " Unable to allocate platform device\n"); return -ENOMEM; } - bmc->dev->dev.driver = &ipmidriver; + bmc->dev->dev.driver = &ipmidriver.driver; dev_set_drvdata(&bmc->dev->dev, bmc); kref_init(&bmc->refcount); @@ -4247,7 +4249,7 @@ static int ipmi_init_msghandler(void) if (initialized) return 0; - rv = driver_register(&ipmidriver); + rv = driver_register(&ipmidriver.driver); if (rv) { printk(KERN_ERR PFX "Could not register IPMI driver\n"); return rv; @@ -4308,7 +4310,7 @@ static __exit void cleanup_ipmi(void) remove_proc_entry(proc_ipmi_root->name, NULL); #endif /* CONFIG_PROC_FS */ - driver_unregister(&ipmidriver); + driver_unregister(&ipmidriver.driver); initialized = 0; diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 3123bf57ad9..3000135f2ea 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -114,9 +114,11 @@ static char *si_to_str[] = { "kcs", "smic", "bt" }; #define DEVICE_NAME "ipmi_si" -static struct device_driver ipmi_driver = { - .name = DEVICE_NAME, - .bus = &platform_bus_type +static struct platform_driver ipmi_driver = { + .driver = { + .name = DEVICE_NAME, + .bus = &platform_bus_type + } }; @@ -2868,7 +2870,7 @@ static int try_smi_init(struct smi_info *new_smi) goto out_err; } new_smi->dev = &new_smi->pdev->dev; - new_smi->dev->driver = &ipmi_driver; + new_smi->dev->driver = &ipmi_driver.driver; rv = platform_device_add(new_smi->pdev); if (rv) { @@ -2983,7 +2985,7 @@ static __devinit int init_ipmi_si(void) initialized = 1; /* Register the device drivers. */ - rv = driver_register(&ipmi_driver); + rv = driver_register(&ipmi_driver.driver); if (rv) { printk(KERN_ERR "init_ipmi_si: Unable to register driver: %d\n", @@ -3052,7 +3054,7 @@ static __devinit int init_ipmi_si(void) #ifdef CONFIG_PPC_OF of_unregister_platform_driver(&ipmi_of_platform_driver); #endif - driver_unregister(&ipmi_driver); + driver_unregister(&ipmi_driver.driver); printk(KERN_WARNING "ipmi_si: Unable to find any System Interface(s)\n"); return -ENODEV; @@ -3151,7 +3153,7 @@ static __exit void cleanup_ipmi_si(void) cleanup_one_si(e); mutex_unlock(&smi_infos_lock); - driver_unregister(&ipmi_driver); + driver_unregister(&ipmi_driver.driver); } module_exit(cleanup_ipmi_si); diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c index 7d30ee1d3fc..04e4549299b 100644 --- a/drivers/char/isicom.c +++ b/drivers/char/isicom.c @@ -7,12 +7,14 @@ * Original driver code supplied by Multi-Tech * * Changes - * 1/9/98 alan@redhat.com Merge to 2.0.x kernel tree + * 1/9/98 alan@lxorguk.ukuu.org.uk + * Merge to 2.0.x kernel tree * Obtain and use official major/minors * Loader switched to a misc device * (fixed range check bug as a side effect) * Printk clean up - * 9/12/98 alan@redhat.com Rough port to 2.1.x + * 9/12/98 alan@lxorguk.ukuu.org.uk + * Rough port to 2.1.x * * 10/6/99 sameer Merged the ISA and PCI drivers to * a new unified driver. diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c index 8beef50f95a..04776691541 100644 --- a/drivers/char/mxser.c +++ b/drivers/char/mxser.c @@ -14,7 +14,8 @@ * (at your option) any later version. * * Fed through a cleanup, indent and remove of non 2.6 code by Alan Cox - * <alan@redhat.com>. The original 1.8 code is available on www.moxa.com. + * <alan@lxorguk.ukuu.org.uk>. The original 1.8 code is available on + * www.moxa.com. * - Fixed x86_64 cleanness */ diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c index 2457b07dabd..f4374437a03 100644 --- a/drivers/char/sonypi.c +++ b/drivers/char/sonypi.c @@ -523,7 +523,7 @@ static int acpi_driver_registered; static int sonypi_ec_write(u8 addr, u8 value) { -#ifdef CONFIG_ACPI_EC +#ifdef CONFIG_ACPI if (SONYPI_ACPI_ACTIVE) return ec_write(addr, value); #endif @@ -539,7 +539,7 @@ static int sonypi_ec_write(u8 addr, u8 value) static int sonypi_ec_read(u8 addr, u8 *value) { -#ifdef CONFIG_ACPI_EC +#ifdef CONFIG_ACPI if (SONYPI_ACPI_ACTIVE) return ec_read(addr, value); #endif diff --git a/drivers/char/vt.c b/drivers/char/vt.c index d8f83e26e4a..a5af6072e2b 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -1644,7 +1644,10 @@ static void reset_terminal(struct vc_data *vc, int do_clear) vc->vc_tab_stop[1] = vc->vc_tab_stop[2] = vc->vc_tab_stop[3] = - vc->vc_tab_stop[4] = 0x01010101; + vc->vc_tab_stop[4] = + vc->vc_tab_stop[5] = + vc->vc_tab_stop[6] = + vc->vc_tab_stop[7] = 0x01010101; vc->vc_bell_pitch = DEFAULT_BELL_PITCH; vc->vc_bell_duration = DEFAULT_BELL_DURATION; @@ -1935,7 +1938,10 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c) vc->vc_tab_stop[1] = vc->vc_tab_stop[2] = vc->vc_tab_stop[3] = - vc->vc_tab_stop[4] = 0; + vc->vc_tab_stop[4] = + vc->vc_tab_stop[5] = + vc->vc_tab_stop[6] = + vc->vc_tab_stop[7] = 0; } return; case 'm': diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c index 5bed73329ef..8504a210855 100644 --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -65,12 +65,14 @@ static void cpuidle_idle_call(void) return; } +#if 0 + /* shows regressions, re-enable for 2.6.29 */ /* * run any timers that can be run now, at this point * before calculating the idle duration etc. */ hrtimer_peek_ahead_timers(); - +#endif /* ask the governor for the next state */ next_state = cpuidle_curr_governor->select(dev); if (need_resched()) diff --git a/drivers/dca/dca-core.c b/drivers/dca/dca-core.c index ec249d2db63..d883e1b8bb8 100644 --- a/drivers/dca/dca-core.c +++ b/drivers/dca/dca-core.c @@ -270,6 +270,6 @@ static void __exit dca_exit(void) dca_sysfs_exit(); } -module_init(dca_init); +subsys_initcall(dca_init); module_exit(dca_exit); diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index dc003a3a787..5317e08221e 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c @@ -399,8 +399,8 @@ int dma_async_device_register(struct dma_device *device) chan->chan_id = chancnt++; chan->dev.class = &dma_devclass; chan->dev.parent = device->dev; - snprintf(chan->dev.bus_id, BUS_ID_SIZE, "dma%dchan%d", - device->dev_id, chan->chan_id); + dev_set_name(&chan->dev, "dma%dchan%d", + device->dev_id, chan->chan_id); rc = device_register(&chan->dev); if (rc) { diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c index d1e381e35a9..ed9636bfb54 100644 --- a/drivers/dma/dmatest.c +++ b/drivers/dma/dmatest.c @@ -20,11 +20,11 @@ static unsigned int test_buf_size = 16384; module_param(test_buf_size, uint, S_IRUGO); MODULE_PARM_DESC(test_buf_size, "Size of the memcpy test buffer"); -static char test_channel[BUS_ID_SIZE]; +static char test_channel[20]; module_param_string(channel, test_channel, sizeof(test_channel), S_IRUGO); MODULE_PARM_DESC(channel, "Bus ID of the channel to test (default: any)"); -static char test_device[BUS_ID_SIZE]; +static char test_device[20]; module_param_string(device, test_device, sizeof(test_device), S_IRUGO); MODULE_PARM_DESC(device, "Bus ID of the DMA Engine to test (default: any)"); @@ -80,14 +80,14 @@ static bool dmatest_match_channel(struct dma_chan *chan) { if (test_channel[0] == '\0') return true; - return strcmp(chan->dev.bus_id, test_channel) == 0; + return strcmp(dev_name(&chan->dev), test_channel) == 0; } static bool dmatest_match_device(struct dma_device *device) { if (test_device[0] == '\0') return true; - return strcmp(device->dev->bus_id, test_device) == 0; + return strcmp(dev_name(device->dev), test_device) == 0; } static unsigned long dmatest_random(void) @@ -332,7 +332,7 @@ static enum dma_state_client dmatest_add_channel(struct dma_chan *chan) dtc = kmalloc(sizeof(struct dmatest_chan), GFP_KERNEL); if (!dtc) { - pr_warning("dmatest: No memory for %s\n", chan->dev.bus_id); + pr_warning("dmatest: No memory for %s\n", dev_name(&chan->dev)); return DMA_NAK; } @@ -343,16 +343,16 @@ static enum dma_state_client dmatest_add_channel(struct dma_chan *chan) thread = kzalloc(sizeof(struct dmatest_thread), GFP_KERNEL); if (!thread) { pr_warning("dmatest: No memory for %s-test%u\n", - chan->dev.bus_id, i); + dev_name(&chan->dev), i); break; } thread->chan = dtc->chan; smp_wmb(); thread->task = kthread_run(dmatest_func, thread, "%s-test%u", - chan->dev.bus_id, i); + dev_name(&chan->dev), i); if (IS_ERR(thread->task)) { pr_warning("dmatest: Failed to run thread %s-test%u\n", - chan->dev.bus_id, i); + dev_name(&chan->dev), i); kfree(thread); break; } @@ -362,7 +362,7 @@ static enum dma_state_client dmatest_add_channel(struct dma_chan *chan) list_add_tail(&thread->node, &dtc->threads); } - pr_info("dmatest: Started %u threads using %s\n", i, chan->dev.bus_id); + pr_info("dmatest: Started %u threads using %s\n", i, dev_name(&chan->dev)); list_add_tail(&dtc->node, &dmatest_channels); nr_channels++; @@ -379,7 +379,7 @@ static enum dma_state_client dmatest_remove_channel(struct dma_chan *chan) list_del(&dtc->node); dmatest_cleanup_channel(dtc); pr_debug("dmatest: lost channel %s\n", - chan->dev.bus_id); + dev_name(&chan->dev)); return DMA_ACK; } } @@ -418,7 +418,7 @@ dmatest_event(struct dma_client *client, struct dma_chan *chan, default: pr_info("dmatest: Unhandled event %u (%s)\n", - state, chan->dev.bus_id); + state, dev_name(&chan->dev)); break; } diff --git a/drivers/dma/ioat_dma.c b/drivers/dma/ioat_dma.c index b0438c4f0c3..ecd743f7cc6 100644 --- a/drivers/dma/ioat_dma.c +++ b/drivers/dma/ioat_dma.c @@ -525,7 +525,7 @@ static dma_cookie_t ioat1_tx_submit(struct dma_async_tx_descriptor *tx) } hw->ctl = IOAT_DMA_DESCRIPTOR_CTL_CP_STS; - if (new->async_tx.callback) { + if (first->async_tx.callback) { hw->ctl |= IOAT_DMA_DESCRIPTOR_CTL_INT_GN; if (first != new) { /* move callback into to last desc */ @@ -617,7 +617,7 @@ static dma_cookie_t ioat2_tx_submit(struct dma_async_tx_descriptor *tx) } hw->ctl |= IOAT_DMA_DESCRIPTOR_CTL_CP_STS; - if (new->async_tx.callback) { + if (first->async_tx.callback) { hw->ctl |= IOAT_DMA_DESCRIPTOR_CTL_INT_GN; if (first != new) { /* move callback into to last desc */ @@ -807,6 +807,12 @@ static void ioat_dma_free_chan_resources(struct dma_chan *chan) struct ioat_desc_sw *desc, *_desc; int in_use_descs = 0; + /* Before freeing channel resources first check + * if they have been previously allocated for this channel. + */ + if (ioat_chan->desccount == 0) + return; + tasklet_disable(&ioat_chan->cleanup_task); ioat_dma_memcpy_cleanup(ioat_chan); @@ -869,6 +875,7 @@ static void ioat_dma_free_chan_resources(struct dma_chan *chan) ioat_chan->last_completion = ioat_chan->completion_addr = 0; ioat_chan->pending = 0; ioat_chan->dmacount = 0; + ioat_chan->desccount = 0; ioat_chan->watchdog_completion = 0; ioat_chan->last_compl_desc_addr_hw = 0; ioat_chan->watchdog_tcp_cookie = diff --git a/drivers/dma/iop-adma.c b/drivers/dma/iop-adma.c index 71fba82462c..c7a9306d951 100644 --- a/drivers/dma/iop-adma.c +++ b/drivers/dma/iop-adma.c @@ -411,6 +411,7 @@ iop_adma_tx_submit(struct dma_async_tx_descriptor *tx) int slot_cnt; int slots_per_op; dma_cookie_t cookie; + dma_addr_t next_dma; grp_start = sw_desc->group_head; slot_cnt = grp_start->slot_cnt; @@ -425,12 +426,12 @@ iop_adma_tx_submit(struct dma_async_tx_descriptor *tx) &old_chain_tail->chain_node); /* fix up the hardware chain */ - iop_desc_set_next_desc(old_chain_tail, grp_start->async_tx.phys); + next_dma = grp_start->async_tx.phys; + iop_desc_set_next_desc(old_chain_tail, next_dma); + BUG_ON(iop_desc_get_next_desc(old_chain_tail) != next_dma); /* flush */ - /* 1/ don't add pre-chained descriptors - * 2/ dummy read to flush next_desc write - */ - BUG_ON(iop_desc_get_next_desc(sw_desc)); + /* check for pre-chained descriptors */ + iop_paranoia(iop_desc_get_next_desc(sw_desc)); /* increment the pending count by the number of slots * memcpy operations have a 1:1 (slot:operation) relation diff --git a/drivers/dma/iovlock.c b/drivers/dma/iovlock.c index e763d723e4c..9f6fe46a9b8 100644 --- a/drivers/dma/iovlock.c +++ b/drivers/dma/iovlock.c @@ -55,7 +55,6 @@ struct dma_pinned_list *dma_pin_iovec_pages(struct iovec *iov, size_t len) int nr_iovecs = 0; int iovec_len_used = 0; int iovec_pages_used = 0; - long err; /* don't pin down non-user-based iovecs */ if (segment_eq(get_fs(), KERNEL_DS)) @@ -72,23 +71,21 @@ struct dma_pinned_list *dma_pin_iovec_pages(struct iovec *iov, size_t len) local_list = kmalloc(sizeof(*local_list) + (nr_iovecs * sizeof (struct dma_page_list)) + (iovec_pages_used * sizeof (struct page*)), GFP_KERNEL); - if (!local_list) { - err = -ENOMEM; + if (!local_list) goto out; - } /* list of pages starts right after the page list array */ pages = (struct page **) &local_list->page_list[nr_iovecs]; + local_list->nr_iovecs = 0; + for (i = 0; i < nr_iovecs; i++) { struct dma_page_list *page_list = &local_list->page_list[i]; len -= iov[i].iov_len; - if (!access_ok(VERIFY_WRITE, iov[i].iov_base, iov[i].iov_len)) { - err = -EFAULT; + if (!access_ok(VERIFY_WRITE, iov[i].iov_base, iov[i].iov_len)) goto unpin; - } page_list->nr_pages = num_pages_spanned(&iov[i]); page_list->base_address = iov[i].iov_base; @@ -109,10 +106,8 @@ struct dma_pinned_list *dma_pin_iovec_pages(struct iovec *iov, size_t len) NULL); up_read(¤t->mm->mmap_sem); - if (ret != page_list->nr_pages) { - err = -ENOMEM; + if (ret != page_list->nr_pages) goto unpin; - } local_list->nr_iovecs = i + 1; } @@ -122,7 +117,7 @@ struct dma_pinned_list *dma_pin_iovec_pages(struct iovec *iov, size_t len) unpin: dma_unpin_iovec_pages(local_list); out: - return ERR_PTR(err); + return NULL; } void dma_unpin_iovec_pages(struct dma_pinned_list *pinned_list) diff --git a/drivers/edac/i5000_edac.c b/drivers/edac/i5000_edac.c index f0d9b415db5..d335086f4a2 100644 --- a/drivers/edac/i5000_edac.c +++ b/drivers/edac/i5000_edac.c @@ -1381,6 +1381,7 @@ static int i5000_probe1(struct pci_dev *pdev, int dev_idx) if (mci == NULL) return -ENOMEM; + kobject_get(&mci->edac_mci_kobj); debugf0("MC: " __FILE__ ": %s(): mci = %p\n", __func__, mci); mci->dev = &pdev->dev; /* record ptr to the generic device */ @@ -1453,6 +1454,7 @@ fail1: i5000_put_devices(mci); fail0: + kobject_put(&mci->edac_mci_kobj); edac_mc_free(mci); return -ENODEV; } @@ -1498,7 +1500,7 @@ static void __devexit i5000_remove_one(struct pci_dev *pdev) /* retrieve references to resources, and free those resources */ i5000_put_devices(mci); - + kobject_put(&mci->edac_mci_kobj); edac_mc_free(mci); } diff --git a/drivers/firewire/fw-device.c b/drivers/firewire/fw-device.c index 3fccdd48410..6b9be42c7b9 100644 --- a/drivers/firewire/fw-device.c +++ b/drivers/firewire/fw-device.c @@ -587,8 +587,7 @@ static void create_units(struct fw_device *device) unit->device.bus = &fw_bus_type; unit->device.type = &fw_unit_type; unit->device.parent = &device->device; - snprintf(unit->device.bus_id, sizeof(unit->device.bus_id), - "%s.%d", device->device.bus_id, i++); + dev_set_name(&unit->device, "%s.%d", dev_name(&device->device), i++); init_fw_attribute_group(&unit->device, fw_unit_attributes, @@ -711,8 +710,7 @@ static void fw_device_init(struct work_struct *work) device->device.type = &fw_device_type; device->device.parent = device->card->device; device->device.devt = MKDEV(fw_cdev_major, minor); - snprintf(device->device.bus_id, sizeof(device->device.bus_id), - "fw%d", minor); + dev_set_name(&device->device, "fw%d", minor); init_fw_attribute_group(&device->device, fw_device_attributes, @@ -741,13 +739,13 @@ static void fw_device_init(struct work_struct *work) if (device->config_rom_retries) fw_notify("created device %s: GUID %08x%08x, S%d00, " "%d config ROM retries\n", - device->device.bus_id, + dev_name(&device->device), device->config_rom[3], device->config_rom[4], 1 << device->max_speed, device->config_rom_retries); else fw_notify("created device %s: GUID %08x%08x, S%d00\n", - device->device.bus_id, + dev_name(&device->device), device->config_rom[3], device->config_rom[4], 1 << device->max_speed); device->config_rom_retries = 0; @@ -883,12 +881,12 @@ static void fw_device_refresh(struct work_struct *work) FW_DEVICE_RUNNING) == FW_DEVICE_SHUTDOWN) goto gone; - fw_notify("refreshed device %s\n", device->device.bus_id); + fw_notify("refreshed device %s\n", dev_name(&device->device)); device->config_rom_retries = 0; goto out; give_up: - fw_notify("giving up on refresh of device %s\n", device->device.bus_id); + fw_notify("giving up on refresh of device %s\n", dev_name(&device->device)); gone: atomic_set(&device->state, FW_DEVICE_SHUTDOWN); fw_device_shutdown(work); diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c index 8e16bfbdcb3..46610b09041 100644 --- a/drivers/firewire/fw-ohci.c +++ b/drivers/firewire/fw-ohci.c @@ -2468,7 +2468,7 @@ pci_probe(struct pci_dev *dev, const struct pci_device_id *ent) goto fail_self_id; fw_notify("Added fw-ohci device %s, OHCI version %x.%x\n", - dev->dev.bus_id, version >> 16, version & 0xff); + dev_name(&dev->dev), version >> 16, version & 0xff); return 0; fail_self_id: diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c index d334cac5e1f..97df6dac3a8 100644 --- a/drivers/firewire/fw-sbp2.c +++ b/drivers/firewire/fw-sbp2.c @@ -1135,7 +1135,7 @@ static int sbp2_probe(struct device *dev) tgt->unit = unit; kref_init(&tgt->kref); INIT_LIST_HEAD(&tgt->lu_list); - tgt->bus_id = unit->device.bus_id; + tgt->bus_id = dev_name(&unit->device); tgt->guid = (u64)device->config_rom[3] << 32 | device->config_rom[4]; if (fw_device_enable_phys_dma(device) < 0) diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index 3e526b6d00c..8daf4793ac3 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -81,9 +81,9 @@ static void dmi_table(u8 *buf, int len, int num, const struct dmi_header *dm = (const struct dmi_header *)data; /* - * We want to know the total length (formated area and strings) - * before decoding to make sure we won't run off the table in - * dmi_decode or dmi_string + * We want to know the total length (formatted area and + * strings) before decoding to make sure we won't run off the + * table in dmi_decode or dmi_string */ data += dm->length; while ((data - buf < len - 1) && (data[0] || data[1])) diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 7f2ee27fe76..48f49d93d24 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -65,6 +65,14 @@ config GPIO_SYSFS # put expanders in the right section, in alphabetical order +comment "Memory mapped GPIO expanders:" + +config GPIO_XILINX + bool "Xilinx GPIO support" + depends on PPC_OF + help + Say yes here to support the Xilinx FPGA GPIO device + comment "I2C GPIO expanders:" config GPIO_MAX732X diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index 6aafdeb9ad0..49ac64e515e 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -10,4 +10,5 @@ obj-$(CONFIG_GPIO_MCP23S08) += mcp23s08.o obj-$(CONFIG_GPIO_PCA953X) += pca953x.o obj-$(CONFIG_GPIO_PCF857X) += pcf857x.o obj-$(CONFIG_GPIO_TWL4030) += twl4030-gpio.o +obj-$(CONFIG_GPIO_XILINX) += xilinx_gpio.o obj-$(CONFIG_GPIO_BT8XX) += bt8xxgpio.o diff --git a/drivers/gpio/xilinx_gpio.c b/drivers/gpio/xilinx_gpio.c new file mode 100644 index 00000000000..3c1177abebd --- /dev/null +++ b/drivers/gpio/xilinx_gpio.c @@ -0,0 +1,235 @@ +/* + * Xilinx gpio driver + * + * Copyright 2008 Xilinx, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * 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/init.h> +#include <linux/errno.h> +#include <linux/of_device.h> +#include <linux/of_platform.h> +#include <linux/of_gpio.h> +#include <linux/io.h> +#include <linux/gpio.h> + +/* Register Offset Definitions */ +#define XGPIO_DATA_OFFSET (0x0) /* Data register */ +#define XGPIO_TRI_OFFSET (0x4) /* I/O direction register */ + +struct xgpio_instance { + struct of_mm_gpio_chip mmchip; + u32 gpio_state; /* GPIO state shadow register */ + u32 gpio_dir; /* GPIO direction shadow register */ + spinlock_t gpio_lock; /* Lock used for synchronization */ +}; + +/** + * xgpio_get - Read the specified signal of the GPIO device. + * @gc: Pointer to gpio_chip device structure. + * @gpio: GPIO signal number. + * + * This function reads the specified signal of the GPIO device. It returns 0 if + * the signal clear, 1 if signal is set or negative value on error. + */ +static int xgpio_get(struct gpio_chip *gc, unsigned int gpio) +{ + struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); + + return (in_be32(mm_gc->regs + XGPIO_DATA_OFFSET) >> gpio) & 1; +} + +/** + * xgpio_set - Write the specified signal of the GPIO device. + * @gc: Pointer to gpio_chip device structure. + * @gpio: GPIO signal number. + * @val: Value to be written to specified signal. + * + * This function writes the specified value in to the specified signal of the + * GPIO device. + */ +static void xgpio_set(struct gpio_chip *gc, unsigned int gpio, int val) +{ + unsigned long flags; + struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); + struct xgpio_instance *chip = + container_of(mm_gc, struct xgpio_instance, mmchip); + + spin_lock_irqsave(&chip->gpio_lock, flags); + + /* Write to GPIO signal and set its direction to output */ + if (val) + chip->gpio_state |= 1 << gpio; + else + chip->gpio_state &= ~(1 << gpio); + out_be32(mm_gc->regs + XGPIO_DATA_OFFSET, chip->gpio_state); + + spin_unlock_irqrestore(&chip->gpio_lock, flags); +} + +/** + * xgpio_dir_in - Set the direction of the specified GPIO signal as input. + * @gc: Pointer to gpio_chip device structure. + * @gpio: GPIO signal number. + * + * This function sets the direction of specified GPIO signal as input. + * It returns 0 if direction of GPIO signals is set as input otherwise it + * returns negative error value. + */ +static int xgpio_dir_in(struct gpio_chip *gc, unsigned int gpio) +{ + unsigned long flags; + struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); + struct xgpio_instance *chip = + container_of(mm_gc, struct xgpio_instance, mmchip); + + spin_lock_irqsave(&chip->gpio_lock, flags); + + /* Set the GPIO bit in shadow register and set direction as input */ + chip->gpio_dir |= (1 << gpio); + out_be32(mm_gc->regs + XGPIO_TRI_OFFSET, chip->gpio_dir); + + spin_unlock_irqrestore(&chip->gpio_lock, flags); + + return 0; +} + +/** + * xgpio_dir_out - Set the direction of the specified GPIO signal as output. + * @gc: Pointer to gpio_chip device structure. + * @gpio: GPIO signal number. + * @val: Value to be written to specified signal. + * + * This function sets the direction of specified GPIO signal as output. If all + * GPIO signals of GPIO chip is configured as input then it returns + * error otherwise it returns 0. + */ +static int xgpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) +{ + unsigned long flags; + struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); + struct xgpio_instance *chip = + container_of(mm_gc, struct xgpio_instance, mmchip); + + spin_lock_irqsave(&chip->gpio_lock, flags); + + /* Write state of GPIO signal */ + if (val) + chip->gpio_state |= 1 << gpio; + else + chip->gpio_state &= ~(1 << gpio); + out_be32(mm_gc->regs + XGPIO_DATA_OFFSET, chip->gpio_state); + + /* Clear the GPIO bit in shadow register and set direction as output */ + chip->gpio_dir &= (~(1 << gpio)); + out_be32(mm_gc->regs + XGPIO_TRI_OFFSET, chip->gpio_dir); + + spin_unlock_irqrestore(&chip->gpio_lock, flags); + + return 0; +} + +/** + * xgpio_save_regs - Set initial values of GPIO pins + * @mm_gc: pointer to memory mapped GPIO chip structure + */ +static void xgpio_save_regs(struct of_mm_gpio_chip *mm_gc) +{ + struct xgpio_instance *chip = + container_of(mm_gc, struct xgpio_instance, mmchip); + + out_be32(mm_gc->regs + XGPIO_DATA_OFFSET, chip->gpio_state); + out_be32(mm_gc->regs + XGPIO_TRI_OFFSET, chip->gpio_dir); +} + +/** + * xgpio_of_probe - Probe method for the GPIO device. + * @np: pointer to device tree node + * + * This function probes the GPIO device in the device tree. It initializes the + * driver data structure. It returns 0, if the driver is bound to the GPIO + * device, or a negative value if there is an error. + */ +static int __devinit xgpio_of_probe(struct device_node *np) +{ + struct xgpio_instance *chip; + struct of_gpio_chip *ofchip; + int status = 0; + const u32 *tree_info; + + chip = kzalloc(sizeof(*chip), GFP_KERNEL); + if (!chip) + return -ENOMEM; + ofchip = &chip->mmchip.of_gc; + + /* Update GPIO state shadow register with default value */ + tree_info = of_get_property(np, "xlnx,dout-default", NULL); + if (tree_info) + chip->gpio_state = *tree_info; + + /* Update GPIO direction shadow register with default value */ + chip->gpio_dir = 0xFFFFFFFF; /* By default, all pins are inputs */ + tree_info = of_get_property(np, "xlnx,tri-default", NULL); + if (tree_info) + chip->gpio_dir = *tree_info; + + /* Check device node and parent device node for device width */ + ofchip->gc.ngpio = 32; /* By default assume full GPIO controller */ + tree_info = of_get_property(np, "xlnx,gpio-width", NULL); + if (!tree_info) + tree_info = of_get_property(np->parent, + "xlnx,gpio-width", NULL); + if (tree_info) + ofchip->gc.ngpio = *tree_info; + + spin_lock_init(&chip->gpio_lock); + + ofchip->gpio_cells = 2; + ofchip->gc.direction_input = xgpio_dir_in; + ofchip->gc.direction_output = xgpio_dir_out; + ofchip->gc.get = xgpio_get; + ofchip->gc.set = xgpio_set; + + chip->mmchip.save_regs = xgpio_save_regs; + + /* Call the OF gpio helper to setup and register the GPIO device */ + status = of_mm_gpiochip_add(np, &chip->mmchip); + if (status) { + kfree(chip); + pr_err("%s: error in probe function with status %d\n", + np->full_name, status); + return status; + } + pr_info("XGpio: %s: registered\n", np->full_name); + return 0; +} + +static struct of_device_id xgpio_of_match[] __devinitdata = { + { .compatible = "xlnx,xps-gpio-1.00.a", }, + { /* end of list */ }, +}; + +static int __init xgpio_init(void) +{ + struct device_node *np; + + for_each_matching_node(np, xgpio_of_match) + xgpio_of_probe(np); + + return 0; +} + +/* Make sure we get initialized before anyone else tries to use us */ +subsys_initcall(xgpio_init); +/* No exit call at the moment as we cannot unregister of GPIO chips */ + +MODULE_AUTHOR("Xilinx, Inc."); +MODULE_DESCRIPTION("Xilinx GPIO driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index 96f416afc3f..3ab1e9cc469 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -266,11 +266,19 @@ int drm_init(struct drm_driver *driver) for (i = 0; driver->pci_driver.id_table[i].vendor != 0; i++) { pid = (struct pci_device_id *)&driver->pci_driver.id_table[i]; + /* Loop around setting up a DRM device for each PCI device + * matching our ID and device class. If we had the internal + * function that pci_get_subsys and pci_get_class used, we'd + * be able to just pass pid in instead of doing a two-stage + * thing. + */ pdev = NULL; - /* pass back in pdev to account for multiple identical cards */ while ((pdev = pci_get_subsys(pid->vendor, pid->device, pid->subvendor, pid->subdevice, pdev)) != NULL) { + if ((pdev->class & pid->class_mask) != pid->class) + continue; + /* stealth mode requires a manual probe */ pci_dev_get(pdev); drm_get_dev(pdev, pid, driver); diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 212a94f715b..15c8dabc3e9 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -280,8 +280,6 @@ int drm_irq_uninstall(struct drm_device * dev) drm_vblank_cleanup(dev); - dev->locked_tasklet_func = NULL; - return 0; } EXPORT_SYMBOL(drm_irq_uninstall); @@ -699,81 +697,3 @@ void drm_handle_vblank(struct drm_device *dev, int crtc) drm_vbl_send_signals(dev, crtc); } EXPORT_SYMBOL(drm_handle_vblank); - -/** - * Tasklet wrapper function. - * - * \param data DRM device in disguise. - * - * Attempts to grab the HW lock and calls the driver callback on success. On - * failure, leave the lock marked as contended so the callback can be called - * from drm_unlock(). - */ -static void drm_locked_tasklet_func(unsigned long data) -{ - struct drm_device *dev = (struct drm_device *)data; - unsigned long irqflags; - void (*tasklet_func)(struct drm_device *); - - spin_lock_irqsave(&dev->tasklet_lock, irqflags); - tasklet_func = dev->locked_tasklet_func; - spin_unlock_irqrestore(&dev->tasklet_lock, irqflags); - - if (!tasklet_func || - !drm_lock_take(&dev->lock, - DRM_KERNEL_CONTEXT)) { - return; - } - - dev->lock.lock_time = jiffies; - atomic_inc(&dev->counts[_DRM_STAT_LOCKS]); - - spin_lock_irqsave(&dev->tasklet_lock, irqflags); - tasklet_func = dev->locked_tasklet_func; - dev->locked_tasklet_func = NULL; - spin_unlock_irqrestore(&dev->tasklet_lock, irqflags); - - if (tasklet_func != NULL) - tasklet_func(dev); - - drm_lock_free(&dev->lock, - DRM_KERNEL_CONTEXT); -} - -/** - * Schedule a tasklet to call back a driver hook with the HW lock held. - * - * \param dev DRM device. - * \param func Driver callback. - * - * This is intended for triggering actions that require the HW lock from an - * interrupt handler. The lock will be grabbed ASAP after the interrupt handler - * completes. Note that the callback may be called from interrupt or process - * context, it must not make any assumptions about this. Also, the HW lock will - * be held with the kernel context or any client context. - */ -void drm_locked_tasklet(struct drm_device *dev, void (*func)(struct drm_device *)) -{ - unsigned long irqflags; - static DECLARE_TASKLET(drm_tasklet, drm_locked_tasklet_func, 0); - - if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ) || - test_bit(TASKLET_STATE_SCHED, &drm_tasklet.state)) - return; - - spin_lock_irqsave(&dev->tasklet_lock, irqflags); - - if (dev->locked_tasklet_func) { - spin_unlock_irqrestore(&dev->tasklet_lock, irqflags); - return; - } - - dev->locked_tasklet_func = func; - - spin_unlock_irqrestore(&dev->tasklet_lock, irqflags); - - drm_tasklet.data = (unsigned long)dev; - - tasklet_hi_schedule(&drm_tasklet); -} -EXPORT_SYMBOL(drm_locked_tasklet); diff --git a/drivers/gpu/drm/drm_lock.c b/drivers/gpu/drm/drm_lock.c index 888159e03d2..1cfa72031f8 100644 --- a/drivers/gpu/drm/drm_lock.c +++ b/drivers/gpu/drm/drm_lock.c @@ -154,8 +154,6 @@ int drm_lock(struct drm_device *dev, void *data, struct drm_file *file_priv) int drm_unlock(struct drm_device *dev, void *data, struct drm_file *file_priv) { struct drm_lock *lock = data; - unsigned long irqflags; - void (*tasklet_func)(struct drm_device *); if (lock->context == DRM_KERNEL_CONTEXT) { DRM_ERROR("Process %d using kernel context %d\n", @@ -163,13 +161,6 @@ int drm_unlock(struct drm_device *dev, void *data, struct drm_file *file_priv) return -EINVAL; } - spin_lock_irqsave(&dev->tasklet_lock, irqflags); - tasklet_func = dev->locked_tasklet_func; - dev->locked_tasklet_func = NULL; - spin_unlock_irqrestore(&dev->tasklet_lock, irqflags); - if (tasklet_func != NULL) - tasklet_func(dev); - atomic_inc(&dev->counts[_DRM_STAT_UNLOCKS]); /* kernel_context_switch isn't used by any of the x86 drm diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c index 141e33004a7..66c96ec6667 100644 --- a/drivers/gpu/drm/drm_stub.c +++ b/drivers/gpu/drm/drm_stub.c @@ -92,7 +92,6 @@ static int drm_fill_in_dev(struct drm_device * dev, struct pci_dev *pdev, spin_lock_init(&dev->count_lock); spin_lock_init(&dev->drw_lock); - spin_lock_init(&dev->tasklet_lock); spin_lock_init(&dev->lock.spinlock); init_timer(&dev->timer); mutex_init(&dev->struct_mutex); diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 256e22963ae..0d215e38606 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -154,6 +154,9 @@ static int i915_dma_cleanup(struct drm_device * dev) if (I915_NEED_GFX_HWS(dev)) i915_free_hws(dev); + dev_priv->sarea = NULL; + dev_priv->sarea_priv = NULL; + return 0; } @@ -442,7 +445,7 @@ static void i915_emit_breadcrumb(struct drm_device *dev) BEGIN_LP_RING(4); OUT_RING(MI_STORE_DWORD_INDEX); - OUT_RING(5 << MI_STORE_DWORD_INDEX_SHIFT); + OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT); OUT_RING(dev_priv->counter); OUT_RING(0); ADVANCE_LP_RING(); @@ -573,7 +576,7 @@ static int i915_dispatch_flip(struct drm_device * dev) BEGIN_LP_RING(4); OUT_RING(MI_STORE_DWORD_INDEX); - OUT_RING(5 << MI_STORE_DWORD_INDEX_SHIFT); + OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT); OUT_RING(dev_priv->counter); OUT_RING(0); ADVANCE_LP_RING(); @@ -608,7 +611,6 @@ static int i915_batchbuffer(struct drm_device *dev, void *data, struct drm_file *file_priv) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - u32 *hw_status = dev_priv->hw_status_page; drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *) dev_priv->sarea_priv; drm_i915_batchbuffer_t *batch = data; @@ -634,7 +636,7 @@ static int i915_batchbuffer(struct drm_device *dev, void *data, mutex_unlock(&dev->struct_mutex); if (sarea_priv) - sarea_priv->last_dispatch = (int)hw_status[5]; + sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv); return ret; } @@ -642,7 +644,6 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data, struct drm_file *file_priv) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - u32 *hw_status = dev_priv->hw_status_page; drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *) dev_priv->sarea_priv; drm_i915_cmdbuffer_t *cmdbuf = data; @@ -670,7 +671,7 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data, } if (sarea_priv) - sarea_priv->last_dispatch = (int)hw_status[5]; + sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv); return 0; } @@ -849,8 +850,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) * be lost or delayed */ if (!IS_I945G(dev) && !IS_I945GM(dev) && !IS_I965GM(dev)) - if (pci_enable_msi(dev->pdev)) - DRM_ERROR("failed to enable MSI\n"); + pci_enable_msi(dev->pdev); intel_opregion_init(dev); diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 572dcd0e3e0..ef1c0b8f8d0 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -88,13 +88,6 @@ struct mem_block { struct drm_file *file_priv; /* NULL: free, -1: heap, other: real files */ }; -typedef struct _drm_i915_vbl_swap { - struct list_head head; - drm_drawable_t drw_id; - unsigned int pipe; - unsigned int sequence; -} drm_i915_vbl_swap_t; - struct opregion_header; struct opregion_acpi; struct opregion_swsci; @@ -146,10 +139,6 @@ typedef struct drm_i915_private { unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds; int vblank_pipe; - spinlock_t swaps_lock; - drm_i915_vbl_swap_t vbl_swaps; - unsigned int swaps_pending; - struct intel_opregion opregion; /* Register state */ @@ -157,6 +146,7 @@ typedef struct drm_i915_private { u32 saveDSPACNTR; u32 saveDSPBCNTR; u32 saveDSPARB; + u32 saveRENDERSTANDBY; u32 savePIPEACONF; u32 savePIPEBCONF; u32 savePIPEASRC; @@ -241,9 +231,6 @@ typedef struct drm_i915_private { u8 saveDACDATA[256*3]; /* 256 3-byte colors */ u8 saveCR[37]; - /** Work task for vblank-related ring access */ - struct work_struct vblank_work; - struct { struct drm_mm gtt_space; @@ -444,7 +431,6 @@ extern int i915_irq_wait(struct drm_device *dev, void *data, void i915_user_irq_get(struct drm_device *dev); void i915_user_irq_put(struct drm_device *dev); -extern void i915_vblank_work_handler(struct work_struct *work); extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS); extern void i915_driver_irq_preinstall(struct drm_device * dev); extern int i915_driver_irq_postinstall(struct drm_device *dev); @@ -622,8 +608,9 @@ static inline void opregion_enable_asle(struct drm_device *dev) { return; } * The area from dword 0x20 to 0x3ff is available for driver usage. */ #define READ_HWSP(dev_priv, reg) (((volatile u32*)(dev_priv->hw_status_page))[reg]) -#define READ_BREADCRUMB(dev_priv) READ_HWSP(dev_priv, 5) +#define READ_BREADCRUMB(dev_priv) READ_HWSP(dev_priv, I915_BREADCRUMB_INDEX) #define I915_GEM_HWS_INDEX 0x20 +#define I915_BREADCRUMB_INDEX 0x21 extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index b0ec73fa6a9..6b4a2bd2064 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1455,11 +1455,9 @@ i915_gem_object_set_domain_range(struct drm_gem_object *obj, read_domains, write_domain); /* Wait on any GPU rendering to the object to be flushed. */ - if (obj->write_domain & ~(I915_GEM_DOMAIN_CPU | I915_GEM_DOMAIN_GTT)) { - ret = i915_gem_object_wait_rendering(obj); - if (ret) - return ret; - } + ret = i915_gem_object_wait_rendering(obj); + if (ret) + return ret; if (obj_priv->page_cpu_valid == NULL) { obj_priv->page_cpu_valid = drm_calloc(1, obj->size / PAGE_SIZE, diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 26f48932a51..82752d6177a 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -80,211 +80,6 @@ i915_pipe_enabled(struct drm_device *dev, int pipe) return 0; } -/** - * Emit blits for scheduled buffer swaps. - * - * This function will be called with the HW lock held. - * Because this function must grab the ring mutex (dev->struct_mutex), - * it can no longer run at soft irq time. We'll fix this when we do - * the DRI2 swap buffer work. - */ -static void i915_vblank_tasklet(struct drm_device *dev) -{ - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - unsigned long irqflags; - struct list_head *list, *tmp, hits, *hit; - int nhits, nrects, slice[2], upper[2], lower[2], i; - unsigned counter[2]; - struct drm_drawable_info *drw; - drm_i915_sarea_t *sarea_priv = dev_priv->sarea_priv; - u32 cpp = dev_priv->cpp; - u32 cmd = (cpp == 4) ? (XY_SRC_COPY_BLT_CMD | - XY_SRC_COPY_BLT_WRITE_ALPHA | - XY_SRC_COPY_BLT_WRITE_RGB) - : XY_SRC_COPY_BLT_CMD; - u32 src_pitch = sarea_priv->pitch * cpp; - u32 dst_pitch = sarea_priv->pitch * cpp; - u32 ropcpp = (0xcc << 16) | ((cpp - 1) << 24); - RING_LOCALS; - - mutex_lock(&dev->struct_mutex); - - if (IS_I965G(dev) && sarea_priv->front_tiled) { - cmd |= XY_SRC_COPY_BLT_DST_TILED; - dst_pitch >>= 2; - } - if (IS_I965G(dev) && sarea_priv->back_tiled) { - cmd |= XY_SRC_COPY_BLT_SRC_TILED; - src_pitch >>= 2; - } - - counter[0] = drm_vblank_count(dev, 0); - counter[1] = drm_vblank_count(dev, 1); - - DRM_DEBUG("\n"); - - INIT_LIST_HEAD(&hits); - - nhits = nrects = 0; - - spin_lock_irqsave(&dev_priv->swaps_lock, irqflags); - - /* Find buffer swaps scheduled for this vertical blank */ - list_for_each_safe(list, tmp, &dev_priv->vbl_swaps.head) { - drm_i915_vbl_swap_t *vbl_swap = - list_entry(list, drm_i915_vbl_swap_t, head); - int pipe = vbl_swap->pipe; - - if ((counter[pipe] - vbl_swap->sequence) > (1<<23)) - continue; - - list_del(list); - dev_priv->swaps_pending--; - drm_vblank_put(dev, pipe); - - spin_unlock(&dev_priv->swaps_lock); - spin_lock(&dev->drw_lock); - - drw = drm_get_drawable_info(dev, vbl_swap->drw_id); - - list_for_each(hit, &hits) { - drm_i915_vbl_swap_t *swap_cmp = - list_entry(hit, drm_i915_vbl_swap_t, head); - struct drm_drawable_info *drw_cmp = - drm_get_drawable_info(dev, swap_cmp->drw_id); - - /* Make sure both drawables are still - * around and have some rectangles before - * we look inside to order them for the - * blts below. - */ - if (drw_cmp && drw_cmp->num_rects > 0 && - drw && drw->num_rects > 0 && - drw_cmp->rects[0].y1 > drw->rects[0].y1) { - list_add_tail(list, hit); - break; - } - } - - spin_unlock(&dev->drw_lock); - - /* List of hits was empty, or we reached the end of it */ - if (hit == &hits) - list_add_tail(list, hits.prev); - - nhits++; - - spin_lock(&dev_priv->swaps_lock); - } - - if (nhits == 0) { - spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags); - mutex_unlock(&dev->struct_mutex); - return; - } - - spin_unlock(&dev_priv->swaps_lock); - - i915_kernel_lost_context(dev); - - if (IS_I965G(dev)) { - BEGIN_LP_RING(4); - - OUT_RING(GFX_OP_DRAWRECT_INFO_I965); - OUT_RING(0); - OUT_RING(((sarea_priv->width - 1) & 0xffff) | ((sarea_priv->height - 1) << 16)); - OUT_RING(0); - ADVANCE_LP_RING(); - } else { - BEGIN_LP_RING(6); - - OUT_RING(GFX_OP_DRAWRECT_INFO); - OUT_RING(0); - OUT_RING(0); - OUT_RING(sarea_priv->width | sarea_priv->height << 16); - OUT_RING(sarea_priv->width | sarea_priv->height << 16); - OUT_RING(0); - - ADVANCE_LP_RING(); - } - - sarea_priv->ctxOwner = DRM_KERNEL_CONTEXT; - - upper[0] = upper[1] = 0; - slice[0] = max(sarea_priv->pipeA_h / nhits, 1); - slice[1] = max(sarea_priv->pipeB_h / nhits, 1); - lower[0] = sarea_priv->pipeA_y + slice[0]; - lower[1] = sarea_priv->pipeB_y + slice[0]; - - spin_lock(&dev->drw_lock); - - /* Emit blits for buffer swaps, partitioning both outputs into as many - * slices as there are buffer swaps scheduled in order to avoid tearing - * (based on the assumption that a single buffer swap would always - * complete before scanout starts). - */ - for (i = 0; i++ < nhits; - upper[0] = lower[0], lower[0] += slice[0], - upper[1] = lower[1], lower[1] += slice[1]) { - if (i == nhits) - lower[0] = lower[1] = sarea_priv->height; - - list_for_each(hit, &hits) { - drm_i915_vbl_swap_t *swap_hit = - list_entry(hit, drm_i915_vbl_swap_t, head); - struct drm_clip_rect *rect; - int num_rects, pipe; - unsigned short top, bottom; - - drw = drm_get_drawable_info(dev, swap_hit->drw_id); - - /* The drawable may have been destroyed since - * the vblank swap was queued - */ - if (!drw) - continue; - - rect = drw->rects; - pipe = swap_hit->pipe; - top = upper[pipe]; - bottom = lower[pipe]; - - for (num_rects = drw->num_rects; num_rects--; rect++) { - int y1 = max(rect->y1, top); - int y2 = min(rect->y2, bottom); - - if (y1 >= y2) - continue; - - BEGIN_LP_RING(8); - - OUT_RING(cmd); - OUT_RING(ropcpp | dst_pitch); - OUT_RING((y1 << 16) | rect->x1); - OUT_RING((y2 << 16) | rect->x2); - OUT_RING(sarea_priv->front_offset); - OUT_RING((y1 << 16) | rect->x1); - OUT_RING(src_pitch); - OUT_RING(sarea_priv->back_offset); - - ADVANCE_LP_RING(); - } - } - } - - spin_unlock_irqrestore(&dev->drw_lock, irqflags); - mutex_unlock(&dev->struct_mutex); - - list_for_each_safe(hit, tmp, &hits) { - drm_i915_vbl_swap_t *swap_hit = - list_entry(hit, drm_i915_vbl_swap_t, head); - - list_del(hit); - - drm_free(swap_hit, sizeof(*swap_hit), DRM_MEM_DRIVER); - } -} - /* Called from drm generic code, passed a 'crtc', which * we use as a pipe index */ @@ -322,40 +117,6 @@ u32 i915_get_vblank_counter(struct drm_device *dev, int pipe) return count; } -void -i915_vblank_work_handler(struct work_struct *work) -{ - drm_i915_private_t *dev_priv = container_of(work, drm_i915_private_t, - vblank_work); - struct drm_device *dev = dev_priv->dev; - unsigned long irqflags; - - if (dev->lock.hw_lock == NULL) { - i915_vblank_tasklet(dev); - return; - } - - spin_lock_irqsave(&dev->tasklet_lock, irqflags); - dev->locked_tasklet_func = i915_vblank_tasklet; - spin_unlock_irqrestore(&dev->tasklet_lock, irqflags); - - /* Try to get the lock now, if this fails, the lock - * holder will execute the tasklet during unlock - */ - if (!drm_lock_take(&dev->lock, DRM_KERNEL_CONTEXT)) - return; - - dev->lock.lock_time = jiffies; - atomic_inc(&dev->counts[_DRM_STAT_LOCKS]); - - spin_lock_irqsave(&dev->tasklet_lock, irqflags); - dev->locked_tasklet_func = NULL; - spin_unlock_irqrestore(&dev->tasklet_lock, irqflags); - - i915_vblank_tasklet(dev); - drm_lock_free(&dev->lock, DRM_KERNEL_CONTEXT); -} - irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) { struct drm_device *dev = (struct drm_device *) arg; @@ -433,9 +194,6 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) if (iir & I915_ASLE_INTERRUPT) opregion_asle_intr(dev); - if (vblank && dev_priv->swaps_pending > 0) - schedule_work(&dev_priv->vblank_work); - return IRQ_HANDLED; } @@ -454,12 +212,10 @@ static int i915_emit_irq(struct drm_device * dev) if (dev_priv->sarea_priv) dev_priv->sarea_priv->last_enqueue = dev_priv->counter; - BEGIN_LP_RING(6); + BEGIN_LP_RING(4); OUT_RING(MI_STORE_DWORD_INDEX); - OUT_RING(5 << MI_STORE_DWORD_INDEX_SHIFT); + OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT); OUT_RING(dev_priv->counter); - OUT_RING(0); - OUT_RING(0); OUT_RING(MI_USER_INTERRUPT); ADVANCE_LP_RING(); @@ -696,123 +452,21 @@ int i915_vblank_pipe_get(struct drm_device *dev, void *data, int i915_vblank_swap(struct drm_device *dev, void *data, struct drm_file *file_priv) { - drm_i915_private_t *dev_priv = dev->dev_private; - drm_i915_vblank_swap_t *swap = data; - drm_i915_vbl_swap_t *vbl_swap, *vbl_old; - unsigned int pipe, seqtype, curseq; - unsigned long irqflags; - struct list_head *list; - int ret; - - if (!dev_priv || !dev_priv->sarea_priv) { - DRM_ERROR("%s called with no initialization\n", __func__); - return -EINVAL; - } - - if (dev_priv->sarea_priv->rotation) { - DRM_DEBUG("Rotation not supported\n"); - return -EINVAL; - } - - if (swap->seqtype & ~(_DRM_VBLANK_RELATIVE | _DRM_VBLANK_ABSOLUTE | - _DRM_VBLANK_SECONDARY | _DRM_VBLANK_NEXTONMISS)) { - DRM_ERROR("Invalid sequence type 0x%x\n", swap->seqtype); - return -EINVAL; - } - - pipe = (swap->seqtype & _DRM_VBLANK_SECONDARY) ? 1 : 0; - - seqtype = swap->seqtype & (_DRM_VBLANK_RELATIVE | _DRM_VBLANK_ABSOLUTE); - - if (!(dev_priv->vblank_pipe & (1 << pipe))) { - DRM_ERROR("Invalid pipe %d\n", pipe); - return -EINVAL; - } - - spin_lock_irqsave(&dev->drw_lock, irqflags); - - if (!drm_get_drawable_info(dev, swap->drawable)) { - spin_unlock_irqrestore(&dev->drw_lock, irqflags); - DRM_DEBUG("Invalid drawable ID %d\n", swap->drawable); - return -EINVAL; - } - - spin_unlock_irqrestore(&dev->drw_lock, irqflags); - - /* - * We take the ref here and put it when the swap actually completes - * in the tasklet. + /* The delayed swap mechanism was fundamentally racy, and has been + * removed. The model was that the client requested a delayed flip/swap + * from the kernel, then waited for vblank before continuing to perform + * rendering. The problem was that the kernel might wake the client + * up before it dispatched the vblank swap (since the lock has to be + * held while touching the ringbuffer), in which case the client would + * clear and start the next frame before the swap occurred, and + * flicker would occur in addition to likely missing the vblank. + * + * In the absence of this ioctl, userland falls back to a correct path + * of waiting for a vblank, then dispatching the swap on its own. + * Context switching to userland and back is plenty fast enough for + * meeting the requirements of vblank swapping. */ - ret = drm_vblank_get(dev, pipe); - if (ret) - return ret; - curseq = drm_vblank_count(dev, pipe); - - if (seqtype == _DRM_VBLANK_RELATIVE) - swap->sequence += curseq; - - if ((curseq - swap->sequence) <= (1<<23)) { - if (swap->seqtype & _DRM_VBLANK_NEXTONMISS) { - swap->sequence = curseq + 1; - } else { - DRM_DEBUG("Missed target sequence\n"); - drm_vblank_put(dev, pipe); - return -EINVAL; - } - } - - vbl_swap = drm_calloc(1, sizeof(*vbl_swap), DRM_MEM_DRIVER); - - if (!vbl_swap) { - DRM_ERROR("Failed to allocate memory to queue swap\n"); - drm_vblank_put(dev, pipe); - return -ENOMEM; - } - - vbl_swap->drw_id = swap->drawable; - vbl_swap->pipe = pipe; - vbl_swap->sequence = swap->sequence; - - spin_lock_irqsave(&dev_priv->swaps_lock, irqflags); - - list_for_each(list, &dev_priv->vbl_swaps.head) { - vbl_old = list_entry(list, drm_i915_vbl_swap_t, head); - - if (vbl_old->drw_id == swap->drawable && - vbl_old->pipe == pipe && - vbl_old->sequence == swap->sequence) { - spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags); - drm_vblank_put(dev, pipe); - drm_free(vbl_swap, sizeof(*vbl_swap), DRM_MEM_DRIVER); - DRM_DEBUG("Already scheduled\n"); - return 0; - } - } - - if (dev_priv->swaps_pending >= 10) { - DRM_DEBUG("Too many swaps queued\n"); - DRM_DEBUG(" pipe 0: %d pipe 1: %d\n", - drm_vblank_count(dev, 0), - drm_vblank_count(dev, 1)); - - list_for_each(list, &dev_priv->vbl_swaps.head) { - vbl_old = list_entry(list, drm_i915_vbl_swap_t, head); - DRM_DEBUG("\tdrw %x pipe %d seq %x\n", - vbl_old->drw_id, vbl_old->pipe, - vbl_old->sequence); - } - spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags); - drm_vblank_put(dev, pipe); - drm_free(vbl_swap, sizeof(*vbl_swap), DRM_MEM_DRIVER); - return -EBUSY; - } - - list_add_tail(&vbl_swap->head, &dev_priv->vbl_swaps.head); - dev_priv->swaps_pending++; - - spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags); - - return 0; + return -EINVAL; } /* drm_dma.h hooks @@ -831,11 +485,6 @@ int i915_driver_irq_postinstall(struct drm_device *dev) drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; int ret, num_pipes = 2; - spin_lock_init(&dev_priv->swaps_lock); - INIT_LIST_HEAD(&dev_priv->vbl_swaps.head); - INIT_WORK(&dev_priv->vblank_work, i915_vblank_work_handler); - dev_priv->swaps_pending = 0; - /* Set initial unmasked IRQs to just the selected vblank pipes. */ dev_priv->irq_mask_reg = ~0; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 5c2d9f206d0..0e476eba36e 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -527,6 +527,9 @@ #define C0DRB3 0x10206 #define C1DRB3 0x10606 +/** GM965 GM45 render standby register */ +#define MCHBAR_RENDER_STANDBY 0x111B8 + /* * Overlay regs */ diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c index 603fe742ccd..5ddc6e595c0 100644 --- a/drivers/gpu/drm/i915/i915_suspend.c +++ b/drivers/gpu/drm/i915/i915_suspend.c @@ -240,6 +240,10 @@ int i915_save_state(struct drm_device *dev) pci_read_config_byte(dev->pdev, LBB, &dev_priv->saveLBB); + /* Render Standby */ + if (IS_I965G(dev) && IS_MOBILE(dev)) + dev_priv->saveRENDERSTANDBY = I915_READ(MCHBAR_RENDER_STANDBY); + /* Display arbitration control */ dev_priv->saveDSPARB = I915_READ(DSPARB); @@ -365,6 +369,11 @@ int i915_restore_state(struct drm_device *dev) pci_write_config_byte(dev->pdev, LBB, dev_priv->saveLBB); + /* Render Standby */ + if (IS_I965G(dev) && IS_MOBILE(dev)) + I915_WRITE(MCHBAR_RENDER_STANDBY, dev_priv->saveRENDERSTANDBY); + + /* Display arbitration */ I915_WRITE(DSPARB, dev_priv->saveDSPARB); /* Pipe & plane A info */ diff --git a/drivers/gpu/drm/radeon/radeon_cp.c b/drivers/gpu/drm/radeon/radeon_cp.c index 073894824e6..abdc1ae3846 100644 --- a/drivers/gpu/drm/radeon/radeon_cp.c +++ b/drivers/gpu/drm/radeon/radeon_cp.c @@ -1751,6 +1751,12 @@ int radeon_driver_load(struct drm_device *dev, unsigned long flags) else dev_priv->flags |= RADEON_IS_PCI; + ret = drm_addmap(dev, drm_get_resource_start(dev, 2), + drm_get_resource_len(dev, 2), _DRM_REGISTERS, + _DRM_READ_ONLY | _DRM_DRIVER, &dev_priv->mmio); + if (ret != 0) + return ret; + DRM_DEBUG("%s card detected\n", ((dev_priv->flags & RADEON_IS_AGP) ? "AGP" : (((dev_priv->flags & RADEON_IS_PCIE) ? "PCIE" : "PCI")))); return ret; @@ -1767,12 +1773,6 @@ int radeon_driver_firstopen(struct drm_device *dev) dev_priv->gart_info.table_size = RADEON_PCIGART_TABLE_SIZE; - ret = drm_addmap(dev, drm_get_resource_start(dev, 2), - drm_get_resource_len(dev, 2), _DRM_REGISTERS, - _DRM_READ_ONLY, &dev_priv->mmio); - if (ret != 0) - return ret; - dev_priv->fb_aper_offset = drm_get_resource_start(dev, 0); ret = drm_addmap(dev, dev_priv->fb_aper_offset, drm_get_resource_len(dev, 0), _DRM_FRAME_BUFFER, @@ -1788,6 +1788,9 @@ int radeon_driver_unload(struct drm_device *dev) drm_radeon_private_t *dev_priv = dev->dev_private; DRM_DEBUG("\n"); + + drm_rmmap(dev, dev_priv->mmio); + drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER); dev->dev_private = NULL; diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h index 02f5575ba39..7a183789be9 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.h +++ b/drivers/gpu/drm/radeon/radeon_drv.h @@ -287,7 +287,6 @@ typedef struct drm_radeon_private { unsigned long gart_textures_offset; drm_local_map_t *sarea; - drm_local_map_t *mmio; drm_local_map_t *cp_ring; drm_local_map_t *ring_rptr; drm_local_map_t *gart_textures; @@ -318,6 +317,7 @@ typedef struct drm_radeon_private { int num_gb_pipes; int track_flush; + drm_local_map_t *mmio; } drm_radeon_private_t; typedef struct drm_radeon_buf_priv { diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 1903e751565..d3671b4049c 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1265,6 +1265,7 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) }, { HID_USB_DEVICE(USB_VENDOR_ID_GENERIC_13BA, USB_DEVICE_ID_GENERIC_13BA_KBD_MOUSE) }, { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) }, { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) }, { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) }, diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 5cc40429173..f05bcbbbb0d 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -253,6 +253,9 @@ #define USB_VENDOR_ID_KBGEAR 0x084e #define USB_DEVICE_ID_KBGEAR_JAMSTUDIO 0x1001 +#define USB_VENDOR_ID_KWORLD 0x1b80 +#define USB_DEVICE_ID_KWORLD_RADIO_FM700 0xd700 + #define USB_VENDOR_ID_LABTEC 0x1020 #define USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD 0x0006 diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 6de1e0ffd39..c709e821f04 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -159,6 +159,16 @@ config SENSORS_ADM9240 This driver can also be built as a module. If so, the module will be called adm9240. +config SENSORS_ADT7462 + tristate "Analog Devices ADT7462" + depends on I2C && EXPERIMENTAL + help + If you say yes here you get support for the Analog Devices + ADT7462 temperature monitoring chips. + + This driver can also be built as a module. If so, the module + will be called adt7462. + config SENSORS_ADT7470 tristate "Analog Devices ADT7470" depends on I2C && EXPERIMENTAL @@ -825,6 +835,25 @@ config SENSORS_HDAPS Say Y here if you have an applicable laptop and want to experience the awesome power of hdaps. +config SENSORS_LIS3LV02D + tristate "STMicroeletronics LIS3LV02Dx three-axis digital accelerometer" + depends on ACPI && INPUT + default n + help + This driver provides support for the LIS3LV02Dx accelerometer. In + particular, it can be found in a number of HP laptops, which have the + "Mobile Data Protection System 3D" or "3D DriveGuard" feature. On such + systems the driver should load automatically (via ACPI). The + accelerometer might also be found in other systems, connected via SPI + or I2C. The accelerometer data is readable via + /sys/devices/platform/lis3lv02d. + + This driver also provides an absolute input class device, allowing + the laptop to act as a pinball machine-esque joystick. + + This driver can also be built as a module. If so, the module + will be called lis3lv02d. + config SENSORS_APPLESMC tristate "Apple SMC (Motion sensor, light sensor, keyboard backlight)" depends on INPUT && X86 diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile index 042d5a78622..58fc5be5355 100644 --- a/drivers/hwmon/Makefile +++ b/drivers/hwmon/Makefile @@ -25,6 +25,7 @@ obj-$(CONFIG_SENSORS_ADM1029) += adm1029.o obj-$(CONFIG_SENSORS_ADM1031) += adm1031.o obj-$(CONFIG_SENSORS_ADM9240) += adm9240.o obj-$(CONFIG_SENSORS_ADS7828) += ads7828.o +obj-$(CONFIG_SENSORS_ADT7462) += adt7462.o obj-$(CONFIG_SENSORS_ADT7470) += adt7470.o obj-$(CONFIG_SENSORS_ADT7473) += adt7473.o obj-$(CONFIG_SENSORS_APPLESMC) += applesmc.o @@ -48,6 +49,7 @@ obj-$(CONFIG_SENSORS_IBMAEM) += ibmaem.o obj-$(CONFIG_SENSORS_IBMPEX) += ibmpex.o obj-$(CONFIG_SENSORS_IT87) += it87.o obj-$(CONFIG_SENSORS_K8TEMP) += k8temp.o +obj-$(CONFIG_SENSORS_LIS3LV02D) += lis3lv02d.o obj-$(CONFIG_SENSORS_LM63) += lm63.o obj-$(CONFIG_SENSORS_LM70) += lm70.o obj-$(CONFIG_SENSORS_LM75) += lm75.o diff --git a/drivers/hwmon/adt7462.c b/drivers/hwmon/adt7462.c new file mode 100644 index 00000000000..66107b4dc12 --- /dev/null +++ b/drivers/hwmon/adt7462.c @@ -0,0 +1,2002 @@ +/* + * A hwmon driver for the Analog Devices ADT7462 + * Copyright (C) 2008 IBM + * + * Author: Darrick J. Wong <djwong@us.ibm.com> + * + * 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 Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * 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/module.h> +#include <linux/jiffies.h> +#include <linux/i2c.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> +#include <linux/err.h> +#include <linux/mutex.h> +#include <linux/delay.h> +#include <linux/log2.h> + +/* Addresses to scan */ +static const unsigned short normal_i2c[] = { 0x58, 0x5C, I2C_CLIENT_END }; + +/* Insmod parameters */ +I2C_CLIENT_INSMOD_1(adt7462); + +/* ADT7462 registers */ +#define ADT7462_REG_DEVICE 0x3D +#define ADT7462_REG_VENDOR 0x3E +#define ADT7462_REG_REVISION 0x3F + +#define ADT7462_REG_MIN_TEMP_BASE_ADDR 0x44 +#define ADT7462_REG_MIN_TEMP_MAX_ADDR 0x47 +#define ADT7462_REG_MAX_TEMP_BASE_ADDR 0x48 +#define ADT7462_REG_MAX_TEMP_MAX_ADDR 0x4B +#define ADT7462_REG_TEMP_BASE_ADDR 0x88 +#define ADT7462_REG_TEMP_MAX_ADDR 0x8F + +#define ADT7462_REG_FAN_BASE_ADDR 0x98 +#define ADT7462_REG_FAN_MAX_ADDR 0x9F +#define ADT7462_REG_FAN2_BASE_ADDR 0xA2 +#define ADT7462_REG_FAN2_MAX_ADDR 0xA9 +#define ADT7462_REG_FAN_ENABLE 0x07 +#define ADT7462_REG_FAN_MIN_BASE_ADDR 0x78 +#define ADT7462_REG_FAN_MIN_MAX_ADDR 0x7F + +#define ADT7462_REG_CFG2 0x02 +#define ADT7462_FSPD_MASK 0x20 + +#define ADT7462_REG_PWM_BASE_ADDR 0xAA +#define ADT7462_REG_PWM_MAX_ADDR 0xAD +#define ADT7462_REG_PWM_MIN_BASE_ADDR 0x28 +#define ADT7462_REG_PWM_MIN_MAX_ADDR 0x2B +#define ADT7462_REG_PWM_MAX 0x2C +#define ADT7462_REG_PWM_TEMP_MIN_BASE_ADDR 0x5C +#define ADT7462_REG_PWM_TEMP_MIN_MAX_ADDR 0x5F +#define ADT7462_REG_PWM_TEMP_RANGE_BASE_ADDR 0x60 +#define ADT7462_REG_PWM_TEMP_RANGE_MAX_ADDR 0x63 +#define ADT7462_PWM_HYST_MASK 0x0F +#define ADT7462_PWM_RANGE_MASK 0xF0 +#define ADT7462_PWM_RANGE_SHIFT 4 +#define ADT7462_REG_PWM_CFG_BASE_ADDR 0x21 +#define ADT7462_REG_PWM_CFG_MAX_ADDR 0x24 +#define ADT7462_PWM_CHANNEL_MASK 0xE0 +#define ADT7462_PWM_CHANNEL_SHIFT 5 + +#define ADT7462_REG_PIN_CFG_BASE_ADDR 0x10 +#define ADT7462_REG_PIN_CFG_MAX_ADDR 0x13 +#define ADT7462_PIN7_INPUT 0x01 /* cfg0 */ +#define ADT7462_DIODE3_INPUT 0x20 +#define ADT7462_DIODE1_INPUT 0x40 +#define ADT7462_VID_INPUT 0x80 +#define ADT7462_PIN22_INPUT 0x04 /* cfg1 */ +#define ADT7462_PIN21_INPUT 0x08 +#define ADT7462_PIN19_INPUT 0x10 +#define ADT7462_PIN15_INPUT 0x20 +#define ADT7462_PIN13_INPUT 0x40 +#define ADT7462_PIN8_INPUT 0x80 +#define ADT7462_PIN23_MASK 0x03 +#define ADT7462_PIN23_SHIFT 0 +#define ADT7462_PIN26_MASK 0x0C /* cfg2 */ +#define ADT7462_PIN26_SHIFT 2 +#define ADT7462_PIN25_MASK 0x30 +#define ADT7462_PIN25_SHIFT 4 +#define ADT7462_PIN24_MASK 0xC0 +#define ADT7462_PIN24_SHIFT 6 +#define ADT7462_PIN26_VOLT_INPUT 0x08 +#define ADT7462_PIN25_VOLT_INPUT 0x20 +#define ADT7462_PIN28_SHIFT 6 /* cfg3 */ +#define ADT7462_PIN28_VOLT 0x5 + +#define ADT7462_REG_ALARM1 0xB8 +#define ADT7462_LT_ALARM 0x02 +#define ADT7462_R1T_ALARM 0x04 +#define ADT7462_R2T_ALARM 0x08 +#define ADT7462_R3T_ALARM 0x10 +#define ADT7462_REG_ALARM2 0xBB +#define ADT7462_V0_ALARM 0x01 +#define ADT7462_V1_ALARM 0x02 +#define ADT7462_V2_ALARM 0x04 +#define ADT7462_V3_ALARM 0x08 +#define ADT7462_V4_ALARM 0x10 +#define ADT7462_V5_ALARM 0x20 +#define ADT7462_V6_ALARM 0x40 +#define ADT7462_V7_ALARM 0x80 +#define ADT7462_REG_ALARM3 0xBC +#define ADT7462_V8_ALARM 0x08 +#define ADT7462_V9_ALARM 0x10 +#define ADT7462_V10_ALARM 0x20 +#define ADT7462_V11_ALARM 0x40 +#define ADT7462_V12_ALARM 0x80 +#define ADT7462_REG_ALARM4 0xBD +#define ADT7462_F0_ALARM 0x01 +#define ADT7462_F1_ALARM 0x02 +#define ADT7462_F2_ALARM 0x04 +#define ADT7462_F3_ALARM 0x08 +#define ADT7462_F4_ALARM 0x10 +#define ADT7462_F5_ALARM 0x20 +#define ADT7462_F6_ALARM 0x40 +#define ADT7462_F7_ALARM 0x80 +#define ADT7462_ALARM1 0x0000 +#define ADT7462_ALARM2 0x0100 +#define ADT7462_ALARM3 0x0200 +#define ADT7462_ALARM4 0x0300 +#define ADT7462_ALARM_REG_SHIFT 8 +#define ADT7462_ALARM_FLAG_MASK 0x0F + +#define ADT7462_TEMP_COUNT 4 +#define ADT7462_TEMP_REG(x) (ADT7462_REG_TEMP_BASE_ADDR + (x * 2)) +#define ADT7462_TEMP_MIN_REG(x) (ADT7462_REG_MIN_TEMP_BASE_ADDR + (x)) +#define ADT7462_TEMP_MAX_REG(x) (ADT7462_REG_MAX_TEMP_BASE_ADDR + (x)) +#define TEMP_FRAC_OFFSET 6 + +#define ADT7462_FAN_COUNT 8 +#define ADT7462_REG_FAN_MIN(x) (ADT7462_REG_FAN_MIN_BASE_ADDR + (x)) + +#define ADT7462_PWM_COUNT 4 +#define ADT7462_REG_PWM(x) (ADT7462_REG_PWM_BASE_ADDR + (x)) +#define ADT7462_REG_PWM_MIN(x) (ADT7462_REG_PWM_MIN_BASE_ADDR + (x)) +#define ADT7462_REG_PWM_TMIN(x) \ + (ADT7462_REG_PWM_TEMP_MIN_BASE_ADDR + (x)) +#define ADT7462_REG_PWM_TRANGE(x) \ + (ADT7462_REG_PWM_TEMP_RANGE_BASE_ADDR + (x)) + +#define ADT7462_PIN_CFG_REG_COUNT 4 +#define ADT7462_REG_PIN_CFG(x) (ADT7462_REG_PIN_CFG_BASE_ADDR + (x)) +#define ADT7462_REG_PWM_CFG(x) (ADT7462_REG_PWM_CFG_BASE_ADDR + (x)) + +#define ADT7462_ALARM_REG_COUNT 4 + +/* + * The chip can measure 13 different voltage sources: + * + * 1. +12V1 (pin 7) + * 2. Vccp1/+2.5V/+1.8V/+1.5V (pin 23) + * 3. +12V3 (pin 22) + * 4. +5V (pin 21) + * 5. +1.25V/+0.9V (pin 19) + * 6. +2.5V/+1.8V (pin 15) + * 7. +3.3v (pin 13) + * 8. +12V2 (pin 8) + * 9. Vbatt/FSB_Vtt (pin 26) + * A. +3.3V/+1.2V1 (pin 25) + * B. Vccp2/+2.5V/+1.8V/+1.5V (pin 24) + * C. +1.5V ICH (only if BOTH pin 28/29 are set to +1.5V) + * D. +1.5V 3GPIO (only if BOTH pin 28/29 are set to +1.5V) + * + * Each of these 13 has a factor to convert raw to voltage. Even better, + * the pins can be connected to other sensors (tach/gpio/hot/etc), which + * makes the bookkeeping tricky. + * + * Some, but not all, of these voltages have low/high limits. + */ +#define ADT7462_VOLT_COUNT 12 + +#define ADT7462_VENDOR 0x41 +#define ADT7462_DEVICE 0x62 +/* datasheet only mentions a revision 4 */ +#define ADT7462_REVISION 0x04 + +/* How often do we reread sensors values? (In jiffies) */ +#define SENSOR_REFRESH_INTERVAL (2 * HZ) + +/* How often do we reread sensor limit values? (In jiffies) */ +#define LIMIT_REFRESH_INTERVAL (60 * HZ) + +/* datasheet says to divide this number by the fan reading to get fan rpm */ +#define FAN_PERIOD_TO_RPM(x) ((90000 * 60) / (x)) +#define FAN_RPM_TO_PERIOD FAN_PERIOD_TO_RPM +#define FAN_PERIOD_INVALID 65535 +#define FAN_DATA_VALID(x) ((x) && (x) != FAN_PERIOD_INVALID) + +#define MASK_AND_SHIFT(value, prefix) \ + (((value) & prefix##_MASK) >> prefix##_SHIFT) + +#define ROUND_DIV(x, divisor) (((x) + ((divisor) / 2)) / (divisor)) + +struct adt7462_data { + struct device *hwmon_dev; + struct attribute_group attrs; + struct mutex lock; + char sensors_valid; + char limits_valid; + unsigned long sensors_last_updated; /* In jiffies */ + unsigned long limits_last_updated; /* In jiffies */ + + u8 temp[ADT7462_TEMP_COUNT]; + /* bits 6-7 are quarter pieces of temp */ + u8 temp_frac[ADT7462_TEMP_COUNT]; + u8 temp_min[ADT7462_TEMP_COUNT]; + u8 temp_max[ADT7462_TEMP_COUNT]; + u16 fan[ADT7462_FAN_COUNT]; + u8 fan_enabled; + u8 fan_min[ADT7462_FAN_COUNT]; + u8 cfg2; + u8 pwm[ADT7462_PWM_COUNT]; + u8 pin_cfg[ADT7462_PIN_CFG_REG_COUNT]; + u8 voltages[ADT7462_VOLT_COUNT]; + u8 volt_max[ADT7462_VOLT_COUNT]; + u8 volt_min[ADT7462_VOLT_COUNT]; + u8 pwm_min[ADT7462_PWM_COUNT]; + u8 pwm_tmin[ADT7462_PWM_COUNT]; + u8 pwm_trange[ADT7462_PWM_COUNT]; + u8 pwm_max; /* only one per chip */ + u8 pwm_cfg[ADT7462_PWM_COUNT]; + u8 alarms[ADT7462_ALARM_REG_COUNT]; +}; + +static int adt7462_probe(struct i2c_client *client, + const struct i2c_device_id *id); +static int adt7462_detect(struct i2c_client *client, int kind, + struct i2c_board_info *info); +static int adt7462_remove(struct i2c_client *client); + +static const struct i2c_device_id adt7462_id[] = { + { "adt7462", adt7462 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, adt7462_id); + +static struct i2c_driver adt7462_driver = { + .class = I2C_CLASS_HWMON, + .driver = { + .name = "adt7462", + }, + .probe = adt7462_probe, + .remove = adt7462_remove, + .id_table = adt7462_id, + .detect = adt7462_detect, + .address_data = &addr_data, +}; + +/* + * 16-bit registers on the ADT7462 are low-byte first. The data sheet says + * that the low byte must be read before the high byte. + */ +static inline int adt7462_read_word_data(struct i2c_client *client, u8 reg) +{ + u16 foo; + foo = i2c_smbus_read_byte_data(client, reg); + foo |= ((u16)i2c_smbus_read_byte_data(client, reg + 1) << 8); + return foo; +} + +/* For some reason these registers are not contiguous. */ +static int ADT7462_REG_FAN(int fan) +{ + if (fan < 4) + return ADT7462_REG_FAN_BASE_ADDR + (2 * fan); + return ADT7462_REG_FAN2_BASE_ADDR + (2 * (fan - 4)); +} + +/* Voltage registers are scattered everywhere */ +static int ADT7462_REG_VOLT_MAX(struct adt7462_data *data, int which) +{ + switch (which) { + case 0: + if (!(data->pin_cfg[0] & ADT7462_PIN7_INPUT)) + return 0x7C; + break; + case 1: + return 0x69; + case 2: + if (!(data->pin_cfg[1] & ADT7462_PIN22_INPUT)) + return 0x7F; + break; + case 3: + if (!(data->pin_cfg[1] & ADT7462_PIN21_INPUT)) + return 0x7E; + break; + case 4: + if (!(data->pin_cfg[0] & ADT7462_DIODE3_INPUT)) + return 0x4B; + break; + case 5: + if (!(data->pin_cfg[0] & ADT7462_DIODE1_INPUT)) + return 0x49; + break; + case 6: + if (!(data->pin_cfg[1] & ADT7462_PIN13_INPUT)) + return 0x68; + break; + case 7: + if (!(data->pin_cfg[1] & ADT7462_PIN8_INPUT)) + return 0x7D; + break; + case 8: + if (!(data->pin_cfg[2] & ADT7462_PIN26_VOLT_INPUT)) + return 0x6C; + break; + case 9: + if (!(data->pin_cfg[2] & ADT7462_PIN25_VOLT_INPUT)) + return 0x6B; + break; + case 10: + return 0x6A; + case 11: + if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == + ADT7462_PIN28_VOLT && + !(data->pin_cfg[0] & ADT7462_VID_INPUT)) + return 0x50; + break; + case 12: + if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == + ADT7462_PIN28_VOLT && + !(data->pin_cfg[0] & ADT7462_VID_INPUT)) + return 0x4C; + break; + } + return -ENODEV; +} + +static int ADT7462_REG_VOLT_MIN(struct adt7462_data *data, int which) +{ + switch (which) { + case 0: + if (!(data->pin_cfg[0] & ADT7462_PIN7_INPUT)) + return 0x6D; + break; + case 1: + return 0x72; + case 2: + if (!(data->pin_cfg[1] & ADT7462_PIN22_INPUT)) + return 0x6F; + break; + case 3: + if (!(data->pin_cfg[1] & ADT7462_PIN21_INPUT)) + return 0x71; + break; + case 4: + if (!(data->pin_cfg[0] & ADT7462_DIODE3_INPUT)) + return 0x47; + break; + case 5: + if (!(data->pin_cfg[0] & ADT7462_DIODE1_INPUT)) + return 0x45; + break; + case 6: + if (!(data->pin_cfg[1] & ADT7462_PIN13_INPUT)) + return 0x70; + break; + case 7: + if (!(data->pin_cfg[1] & ADT7462_PIN8_INPUT)) + return 0x6E; + break; + case 8: + if (!(data->pin_cfg[2] & ADT7462_PIN26_VOLT_INPUT)) + return 0x75; + break; + case 9: + if (!(data->pin_cfg[2] & ADT7462_PIN25_VOLT_INPUT)) + return 0x74; + break; + case 10: + return 0x73; + case 11: + if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == + ADT7462_PIN28_VOLT && + !(data->pin_cfg[0] & ADT7462_VID_INPUT)) + return 0x76; + break; + case 12: + if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == + ADT7462_PIN28_VOLT && + !(data->pin_cfg[0] & ADT7462_VID_INPUT)) + return 0x77; + break; + } + return -ENODEV; +} + +static int ADT7462_REG_VOLT(struct adt7462_data *data, int which) +{ + switch (which) { + case 0: + if (!(data->pin_cfg[0] & ADT7462_PIN7_INPUT)) + return 0xA3; + break; + case 1: + return 0x90; + case 2: + if (!(data->pin_cfg[1] & ADT7462_PIN22_INPUT)) + return 0xA9; + break; + case 3: + if (!(data->pin_cfg[1] & ADT7462_PIN21_INPUT)) + return 0xA7; + break; + case 4: + if (!(data->pin_cfg[0] & ADT7462_DIODE3_INPUT)) + return 0x8F; + break; + case 5: + if (!(data->pin_cfg[0] & ADT7462_DIODE1_INPUT)) + return 0x8B; + break; + case 6: + if (!(data->pin_cfg[1] & ADT7462_PIN13_INPUT)) + return 0x96; + break; + case 7: + if (!(data->pin_cfg[1] & ADT7462_PIN8_INPUT)) + return 0xA5; + break; + case 8: + if (!(data->pin_cfg[2] & ADT7462_PIN26_VOLT_INPUT)) + return 0x93; + break; + case 9: + if (!(data->pin_cfg[2] & ADT7462_PIN25_VOLT_INPUT)) + return 0x92; + break; + case 10: + return 0x91; + case 11: + if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == + ADT7462_PIN28_VOLT && + !(data->pin_cfg[0] & ADT7462_VID_INPUT)) + return 0x94; + break; + case 12: + if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == + ADT7462_PIN28_VOLT && + !(data->pin_cfg[0] & ADT7462_VID_INPUT)) + return 0x95; + break; + } + return -ENODEV; +} + +/* Provide labels for sysfs */ +static const char *voltage_label(struct adt7462_data *data, int which) +{ + switch (which) { + case 0: + if (!(data->pin_cfg[0] & ADT7462_PIN7_INPUT)) + return "+12V1"; + break; + case 1: + switch (MASK_AND_SHIFT(data->pin_cfg[1], ADT7462_PIN23)) { + case 0: + return "Vccp1"; + case 1: + return "+2.5V"; + case 2: + return "+1.8V"; + case 3: + return "+1.5V"; + } + case 2: + if (!(data->pin_cfg[1] & ADT7462_PIN22_INPUT)) + return "+12V3"; + break; + case 3: + if (!(data->pin_cfg[1] & ADT7462_PIN21_INPUT)) + return "+5V"; + break; + case 4: + if (!(data->pin_cfg[0] & ADT7462_DIODE3_INPUT)) { + if (data->pin_cfg[1] & ADT7462_PIN19_INPUT) + return "+0.9V"; + return "+1.25V"; + } + break; + case 5: + if (!(data->pin_cfg[0] & ADT7462_DIODE1_INPUT)) { + if (data->pin_cfg[1] & ADT7462_PIN19_INPUT) + return "+1.8V"; + return "+2.5V"; + } + break; + case 6: + if (!(data->pin_cfg[1] & ADT7462_PIN13_INPUT)) + return "+3.3V"; + break; + case 7: + if (!(data->pin_cfg[1] & ADT7462_PIN8_INPUT)) + return "+12V2"; + break; + case 8: + switch (MASK_AND_SHIFT(data->pin_cfg[2], ADT7462_PIN26)) { + case 0: + return "Vbatt"; + case 1: + return "FSB_Vtt"; + } + break; + case 9: + switch (MASK_AND_SHIFT(data->pin_cfg[2], ADT7462_PIN25)) { + case 0: + return "+3.3V"; + case 1: + return "+1.2V1"; + } + break; + case 10: + switch (MASK_AND_SHIFT(data->pin_cfg[2], ADT7462_PIN24)) { + case 0: + return "Vccp2"; + case 1: + return "+2.5V"; + case 2: + return "+1.8V"; + case 3: + return "+1.5"; + } + case 11: + if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == + ADT7462_PIN28_VOLT && + !(data->pin_cfg[0] & ADT7462_VID_INPUT)) + return "+1.5V ICH"; + break; + case 12: + if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == + ADT7462_PIN28_VOLT && + !(data->pin_cfg[0] & ADT7462_VID_INPUT)) + return "+1.5V 3GPIO"; + break; + } + return "N/A"; +} + +/* Multipliers are actually in uV, not mV. */ +static int voltage_multiplier(struct adt7462_data *data, int which) +{ + switch (which) { + case 0: + if (!(data->pin_cfg[0] & ADT7462_PIN7_INPUT)) + return 62500; + break; + case 1: + switch (MASK_AND_SHIFT(data->pin_cfg[1], ADT7462_PIN23)) { + case 0: + if (data->pin_cfg[0] & ADT7462_VID_INPUT) + return 12500; + return 6250; + case 1: + return 13000; + case 2: + return 9400; + case 3: + return 7800; + } + case 2: + if (!(data->pin_cfg[1] & ADT7462_PIN22_INPUT)) + return 62500; + break; + case 3: + if (!(data->pin_cfg[1] & ADT7462_PIN21_INPUT)) + return 26000; + break; + case 4: + if (!(data->pin_cfg[0] & ADT7462_DIODE3_INPUT)) { + if (data->pin_cfg[1] & ADT7462_PIN19_INPUT) + return 4690; + return 6500; + } + break; + case 5: + if (!(data->pin_cfg[0] & ADT7462_DIODE1_INPUT)) { + if (data->pin_cfg[1] & ADT7462_PIN15_INPUT) + return 9400; + return 13000; + } + break; + case 6: + if (!(data->pin_cfg[1] & ADT7462_PIN13_INPUT)) + return 17200; + break; + case 7: + if (!(data->pin_cfg[1] & ADT7462_PIN8_INPUT)) + return 62500; + break; + case 8: + switch (MASK_AND_SHIFT(data->pin_cfg[2], ADT7462_PIN26)) { + case 0: + return 15600; + case 1: + return 6250; + } + break; + case 9: + switch (MASK_AND_SHIFT(data->pin_cfg[2], ADT7462_PIN25)) { + case 0: + return 17200; + case 1: + return 6250; + } + break; + case 10: + switch (MASK_AND_SHIFT(data->pin_cfg[2], ADT7462_PIN24)) { + case 0: + return 6250; + case 1: + return 13000; + case 2: + return 9400; + case 3: + return 7800; + } + case 11: + case 12: + if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == + ADT7462_PIN28_VOLT && + !(data->pin_cfg[0] & ADT7462_VID_INPUT)) + return 7800; + } + return 0; +} + +static int temp_enabled(struct adt7462_data *data, int which) +{ + switch (which) { + case 0: + case 2: + return 1; + case 1: + if (data->pin_cfg[0] & ADT7462_DIODE1_INPUT) + return 1; + break; + case 3: + if (data->pin_cfg[0] & ADT7462_DIODE3_INPUT) + return 1; + break; + } + return 0; +} + +static const char *temp_label(struct adt7462_data *data, int which) +{ + switch (which) { + case 0: + return "local"; + case 1: + if (data->pin_cfg[0] & ADT7462_DIODE1_INPUT) + return "remote1"; + break; + case 2: + return "remote2"; + case 3: + if (data->pin_cfg[0] & ADT7462_DIODE3_INPUT) + return "remote3"; + break; + } + return "N/A"; +} + +/* Map Trange register values to mC */ +#define NUM_TRANGE_VALUES 16 +static const int trange_values[NUM_TRANGE_VALUES] = { + 2000, + 2500, + 3300, + 4000, + 5000, + 6700, + 8000, + 10000, + 13300, + 16000, + 20000, + 26700, + 32000, + 40000, + 53300, + 80000 +}; + +static int find_trange_value(int trange) +{ + int i; + + for (i = 0; i < NUM_TRANGE_VALUES; i++) + if (trange_values[i] == trange) + return i; + + return -ENODEV; +} + +static struct adt7462_data *adt7462_update_device(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + unsigned long local_jiffies = jiffies; + int i; + + mutex_lock(&data->lock); + if (time_before(local_jiffies, data->sensors_last_updated + + SENSOR_REFRESH_INTERVAL) + && data->sensors_valid) + goto no_sensor_update; + + for (i = 0; i < ADT7462_TEMP_COUNT; i++) { + /* + * Reading the fractional register locks the integral + * register until both have been read. + */ + data->temp_frac[i] = i2c_smbus_read_byte_data(client, + ADT7462_TEMP_REG(i)); + data->temp[i] = i2c_smbus_read_byte_data(client, + ADT7462_TEMP_REG(i) + 1); + } + + for (i = 0; i < ADT7462_FAN_COUNT; i++) + data->fan[i] = adt7462_read_word_data(client, + ADT7462_REG_FAN(i)); + + data->fan_enabled = i2c_smbus_read_byte_data(client, + ADT7462_REG_FAN_ENABLE); + + for (i = 0; i < ADT7462_PWM_COUNT; i++) + data->pwm[i] = i2c_smbus_read_byte_data(client, + ADT7462_REG_PWM(i)); + + for (i = 0; i < ADT7462_PIN_CFG_REG_COUNT; i++) + data->pin_cfg[i] = i2c_smbus_read_byte_data(client, + ADT7462_REG_PIN_CFG(i)); + + for (i = 0; i < ADT7462_VOLT_COUNT; i++) { + int reg = ADT7462_REG_VOLT(data, i); + if (!reg) + data->voltages[i] = 0; + else + data->voltages[i] = i2c_smbus_read_byte_data(client, + reg); + } + + data->alarms[0] = i2c_smbus_read_byte_data(client, ADT7462_REG_ALARM1); + data->alarms[1] = i2c_smbus_read_byte_data(client, ADT7462_REG_ALARM2); + data->alarms[2] = i2c_smbus_read_byte_data(client, ADT7462_REG_ALARM3); + data->alarms[3] = i2c_smbus_read_byte_data(client, ADT7462_REG_ALARM4); + + data->sensors_last_updated = local_jiffies; + data->sensors_valid = 1; + +no_sensor_update: + if (time_before(local_jiffies, data->limits_last_updated + + LIMIT_REFRESH_INTERVAL) + && data->limits_valid) + goto out; + + for (i = 0; i < ADT7462_TEMP_COUNT; i++) { + data->temp_min[i] = i2c_smbus_read_byte_data(client, + ADT7462_TEMP_MIN_REG(i)); + data->temp_max[i] = i2c_smbus_read_byte_data(client, + ADT7462_TEMP_MAX_REG(i)); + } + + for (i = 0; i < ADT7462_FAN_COUNT; i++) + data->fan_min[i] = i2c_smbus_read_byte_data(client, + ADT7462_REG_FAN_MIN(i)); + + for (i = 0; i < ADT7462_VOLT_COUNT; i++) { + int reg = ADT7462_REG_VOLT_MAX(data, i); + data->volt_max[i] = + (reg ? i2c_smbus_read_byte_data(client, reg) : 0); + + reg = ADT7462_REG_VOLT_MIN(data, i); + data->volt_min[i] = + (reg ? i2c_smbus_read_byte_data(client, reg) : 0); + } + + for (i = 0; i < ADT7462_PWM_COUNT; i++) { + data->pwm_min[i] = i2c_smbus_read_byte_data(client, + ADT7462_REG_PWM_MIN(i)); + data->pwm_tmin[i] = i2c_smbus_read_byte_data(client, + ADT7462_REG_PWM_TMIN(i)); + data->pwm_trange[i] = i2c_smbus_read_byte_data(client, + ADT7462_REG_PWM_TRANGE(i)); + data->pwm_cfg[i] = i2c_smbus_read_byte_data(client, + ADT7462_REG_PWM_CFG(i)); + } + + data->pwm_max = i2c_smbus_read_byte_data(client, ADT7462_REG_PWM_MAX); + + data->cfg2 = i2c_smbus_read_byte_data(client, ADT7462_REG_CFG2); + + data->limits_last_updated = local_jiffies; + data->limits_valid = 1; + +out: + mutex_unlock(&data->lock); + return data; +} + +static ssize_t show_temp_min(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + + if (!temp_enabled(data, attr->index)) + return sprintf(buf, "0\n"); + + return sprintf(buf, "%d\n", 1000 * (data->temp_min[attr->index] - 64)); +} + +static ssize_t set_temp_min(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + + if (strict_strtol(buf, 10, &temp) || !temp_enabled(data, attr->index)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000) + 64; + temp = SENSORS_LIMIT(temp, 0, 255); + + mutex_lock(&data->lock); + data->temp_min[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7462_TEMP_MIN_REG(attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_temp_max(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + + if (!temp_enabled(data, attr->index)) + return sprintf(buf, "0\n"); + + return sprintf(buf, "%d\n", 1000 * (data->temp_max[attr->index] - 64)); +} + +static ssize_t set_temp_max(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + + if (strict_strtol(buf, 10, &temp) || !temp_enabled(data, attr->index)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000) + 64; + temp = SENSORS_LIMIT(temp, 0, 255); + + mutex_lock(&data->lock); + data->temp_max[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7462_TEMP_MAX_REG(attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_temp(struct device *dev, struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + u8 frac = data->temp_frac[attr->index] >> TEMP_FRAC_OFFSET; + + if (!temp_enabled(data, attr->index)) + return sprintf(buf, "0\n"); + + return sprintf(buf, "%d\n", 1000 * (data->temp[attr->index] - 64) + + 250 * frac); +} + +static ssize_t show_temp_label(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + + return sprintf(buf, "%s\n", temp_label(data, attr->index)); +} + +static ssize_t show_volt_max(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + int x = voltage_multiplier(data, attr->index); + + x *= data->volt_max[attr->index]; + x /= 1000; /* convert from uV to mV */ + + return sprintf(buf, "%d\n", x); +} + +static ssize_t set_volt_max(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + int x = voltage_multiplier(data, attr->index); + long temp; + + if (strict_strtol(buf, 10, &temp) || !x) + return -EINVAL; + + temp *= 1000; /* convert mV to uV */ + temp = ROUND_DIV(temp, x); + temp = SENSORS_LIMIT(temp, 0, 255); + + mutex_lock(&data->lock); + data->volt_max[attr->index] = temp; + i2c_smbus_write_byte_data(client, + ADT7462_REG_VOLT_MAX(data, attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_volt_min(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + int x = voltage_multiplier(data, attr->index); + + x *= data->volt_min[attr->index]; + x /= 1000; /* convert from uV to mV */ + + return sprintf(buf, "%d\n", x); +} + +static ssize_t set_volt_min(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + int x = voltage_multiplier(data, attr->index); + long temp; + + if (strict_strtol(buf, 10, &temp) || !x) + return -EINVAL; + + temp *= 1000; /* convert mV to uV */ + temp = ROUND_DIV(temp, x); + temp = SENSORS_LIMIT(temp, 0, 255); + + mutex_lock(&data->lock); + data->volt_min[attr->index] = temp; + i2c_smbus_write_byte_data(client, + ADT7462_REG_VOLT_MIN(data, attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_voltage(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + int x = voltage_multiplier(data, attr->index); + + x *= data->voltages[attr->index]; + x /= 1000; /* convert from uV to mV */ + + return sprintf(buf, "%d\n", x); +} + +static ssize_t show_voltage_label(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + + return sprintf(buf, "%s\n", voltage_label(data, attr->index)); +} + +static ssize_t show_alarm(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + int reg = attr->index >> ADT7462_ALARM_REG_SHIFT; + int mask = attr->index & ADT7462_ALARM_FLAG_MASK; + + if (data->alarms[reg] & mask) + return sprintf(buf, "1\n"); + else + return sprintf(buf, "0\n"); +} + +static int fan_enabled(struct adt7462_data *data, int fan) +{ + return data->fan_enabled & (1 << fan); +} + +static ssize_t show_fan_min(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + u16 temp; + + /* Only the MSB of the min fan period is stored... */ + temp = data->fan_min[attr->index]; + temp <<= 8; + + if (!fan_enabled(data, attr->index) || + !FAN_DATA_VALID(temp)) + return sprintf(buf, "0\n"); + + return sprintf(buf, "%d\n", FAN_PERIOD_TO_RPM(temp)); +} + +static ssize_t set_fan_min(struct device *dev, + struct device_attribute *devattr, + const char *buf, size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + + if (strict_strtol(buf, 10, &temp) || !temp || + !fan_enabled(data, attr->index)) + return -EINVAL; + + temp = FAN_RPM_TO_PERIOD(temp); + temp >>= 8; + temp = SENSORS_LIMIT(temp, 1, 255); + + mutex_lock(&data->lock); + data->fan_min[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7462_REG_FAN_MIN(attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_fan(struct device *dev, struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + + if (!fan_enabled(data, attr->index) || + !FAN_DATA_VALID(data->fan[attr->index])) + return sprintf(buf, "0\n"); + + return sprintf(buf, "%d\n", + FAN_PERIOD_TO_RPM(data->fan[attr->index])); +} + +static ssize_t show_force_pwm_max(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct adt7462_data *data = adt7462_update_device(dev); + return sprintf(buf, "%d\n", (data->cfg2 & ADT7462_FSPD_MASK ? 1 : 0)); +} + +static ssize_t set_force_pwm_max(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + u8 reg; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + mutex_lock(&data->lock); + reg = i2c_smbus_read_byte_data(client, ADT7462_REG_CFG2); + if (temp) + reg |= ADT7462_FSPD_MASK; + else + reg &= ~ADT7462_FSPD_MASK; + data->cfg2 = reg; + i2c_smbus_write_byte_data(client, ADT7462_REG_CFG2, reg); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + return sprintf(buf, "%d\n", data->pwm[attr->index]); +} + +static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, + const char *buf, size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = SENSORS_LIMIT(temp, 0, 255); + + mutex_lock(&data->lock); + data->pwm[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7462_REG_PWM(attr->index), temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_pwm_max(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct adt7462_data *data = adt7462_update_device(dev); + return sprintf(buf, "%d\n", data->pwm_max); +} + +static ssize_t set_pwm_max(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = SENSORS_LIMIT(temp, 0, 255); + + mutex_lock(&data->lock); + data->pwm_max = temp; + i2c_smbus_write_byte_data(client, ADT7462_REG_PWM_MAX, temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_pwm_min(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + return sprintf(buf, "%d\n", data->pwm_min[attr->index]); +} + +static ssize_t set_pwm_min(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = SENSORS_LIMIT(temp, 0, 255); + + mutex_lock(&data->lock); + data->pwm_min[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7462_REG_PWM_MIN(attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_pwm_hyst(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + return sprintf(buf, "%d\n", 1000 * + (data->pwm_trange[attr->index] & ADT7462_PWM_HYST_MASK)); +} + +static ssize_t set_pwm_hyst(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000); + temp = SENSORS_LIMIT(temp, 0, 15); + + /* package things up */ + temp &= ADT7462_PWM_HYST_MASK; + temp |= data->pwm_trange[attr->index] & ADT7462_PWM_RANGE_MASK; + + mutex_lock(&data->lock); + data->pwm_trange[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7462_REG_PWM_TRANGE(attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_pwm_tmax(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + + /* tmax = tmin + trange */ + int trange = trange_values[data->pwm_trange[attr->index] >> + ADT7462_PWM_RANGE_SHIFT]; + int tmin = (data->pwm_tmin[attr->index] - 64) * 1000; + + return sprintf(buf, "%d\n", tmin + trange); +} + +static ssize_t set_pwm_tmax(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + int temp; + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + int tmin, trange_value; + long trange; + + if (strict_strtol(buf, 10, &trange)) + return -EINVAL; + + /* trange = tmax - tmin */ + tmin = (data->pwm_tmin[attr->index] - 64) * 1000; + trange_value = find_trange_value(trange - tmin); + + if (trange_value < 0) + return -EINVAL; + + temp = trange_value << ADT7462_PWM_RANGE_SHIFT; + temp |= data->pwm_trange[attr->index] & ADT7462_PWM_HYST_MASK; + + mutex_lock(&data->lock); + data->pwm_trange[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7462_REG_PWM_TRANGE(attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_pwm_tmin(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + return sprintf(buf, "%d\n", 1000 * (data->pwm_tmin[attr->index] - 64)); +} + +static ssize_t set_pwm_tmin(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000) + 64; + temp = SENSORS_LIMIT(temp, 0, 255); + + mutex_lock(&data->lock); + data->pwm_tmin[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7462_REG_PWM_TMIN(attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_pwm_auto(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + int cfg = data->pwm_cfg[attr->index] >> ADT7462_PWM_CHANNEL_SHIFT; + + switch (cfg) { + case 4: /* off */ + return sprintf(buf, "0\n"); + case 7: /* manual */ + return sprintf(buf, "1\n"); + default: /* automatic */ + return sprintf(buf, "2\n"); + } +} + +static void set_pwm_channel(struct i2c_client *client, + struct adt7462_data *data, + int which, + int value) +{ + int temp = data->pwm_cfg[which] & ~ADT7462_PWM_CHANNEL_MASK; + temp |= value << ADT7462_PWM_CHANNEL_SHIFT; + + mutex_lock(&data->lock); + data->pwm_cfg[which] = temp; + i2c_smbus_write_byte_data(client, ADT7462_REG_PWM_CFG(which), temp); + mutex_unlock(&data->lock); +} + +static ssize_t set_pwm_auto(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + switch (temp) { + case 0: /* off */ + set_pwm_channel(client, data, attr->index, 4); + return count; + case 1: /* manual */ + set_pwm_channel(client, data, attr->index, 7); + return count; + default: + return -EINVAL; + } +} + +static ssize_t show_pwm_auto_temp(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + int channel = data->pwm_cfg[attr->index] >> ADT7462_PWM_CHANNEL_SHIFT; + + switch (channel) { + case 0: /* temp[1234] only */ + case 1: + case 2: + case 3: + return sprintf(buf, "%d\n", (1 << channel)); + case 5: /* temp1 & temp4 */ + return sprintf(buf, "9\n"); + case 6: + return sprintf(buf, "15\n"); + default: + return sprintf(buf, "0\n"); + } +} + +static int cvt_auto_temp(int input) +{ + if (input == 0xF) + return 6; + if (input == 0x9) + return 5; + if (input < 1 || !is_power_of_2(input)) + return -EINVAL; + return ilog2(input); +} + +static ssize_t set_pwm_auto_temp(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = cvt_auto_temp(temp); + if (temp < 0) + return temp; + + set_pwm_channel(client, data, attr->index, temp); + + return count; +} + +static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_max, + set_temp_max, 0); +static SENSOR_DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_temp_max, + set_temp_max, 1); +static SENSOR_DEVICE_ATTR(temp3_max, S_IWUSR | S_IRUGO, show_temp_max, + set_temp_max, 2); +static SENSOR_DEVICE_ATTR(temp4_max, S_IWUSR | S_IRUGO, show_temp_max, + set_temp_max, 3); + +static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp_min, + set_temp_min, 0); +static SENSOR_DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_temp_min, + set_temp_min, 1); +static SENSOR_DEVICE_ATTR(temp3_min, S_IWUSR | S_IRUGO, show_temp_min, + set_temp_min, 2); +static SENSOR_DEVICE_ATTR(temp4_min, S_IWUSR | S_IRUGO, show_temp_min, + set_temp_min, 3); + +static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0); +static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1); +static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2); +static SENSOR_DEVICE_ATTR(temp4_input, S_IRUGO, show_temp, NULL, 3); + +static SENSOR_DEVICE_ATTR(temp1_label, S_IRUGO, show_temp_label, NULL, 0); +static SENSOR_DEVICE_ATTR(temp2_label, S_IRUGO, show_temp_label, NULL, 1); +static SENSOR_DEVICE_ATTR(temp3_label, S_IRUGO, show_temp_label, NULL, 2); +static SENSOR_DEVICE_ATTR(temp4_label, S_IRUGO, show_temp_label, NULL, 3); + +static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM1 | ADT7462_LT_ALARM); +static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM1 | ADT7462_R1T_ALARM); +static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM1 | ADT7462_R2T_ALARM); +static SENSOR_DEVICE_ATTR(temp4_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM1 | ADT7462_R3T_ALARM); + +static SENSOR_DEVICE_ATTR(in1_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 0); +static SENSOR_DEVICE_ATTR(in2_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 1); +static SENSOR_DEVICE_ATTR(in3_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 2); +static SENSOR_DEVICE_ATTR(in4_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 3); +static SENSOR_DEVICE_ATTR(in5_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 4); +static SENSOR_DEVICE_ATTR(in6_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 5); +static SENSOR_DEVICE_ATTR(in7_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 6); +static SENSOR_DEVICE_ATTR(in8_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 7); +static SENSOR_DEVICE_ATTR(in9_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 8); +static SENSOR_DEVICE_ATTR(in10_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 9); +static SENSOR_DEVICE_ATTR(in11_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 10); +static SENSOR_DEVICE_ATTR(in12_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 11); +static SENSOR_DEVICE_ATTR(in13_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 12); + +static SENSOR_DEVICE_ATTR(in1_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 0); +static SENSOR_DEVICE_ATTR(in2_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 1); +static SENSOR_DEVICE_ATTR(in3_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 2); +static SENSOR_DEVICE_ATTR(in4_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 3); +static SENSOR_DEVICE_ATTR(in5_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 4); +static SENSOR_DEVICE_ATTR(in6_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 5); +static SENSOR_DEVICE_ATTR(in7_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 6); +static SENSOR_DEVICE_ATTR(in8_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 7); +static SENSOR_DEVICE_ATTR(in9_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 8); +static SENSOR_DEVICE_ATTR(in10_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 9); +static SENSOR_DEVICE_ATTR(in11_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 10); +static SENSOR_DEVICE_ATTR(in12_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 11); +static SENSOR_DEVICE_ATTR(in13_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 12); + +static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_voltage, NULL, 0); +static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_voltage, NULL, 1); +static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_voltage, NULL, 2); +static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_voltage, NULL, 3); +static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_voltage, NULL, 4); +static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_voltage, NULL, 5); +static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_voltage, NULL, 6); +static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_voltage, NULL, 7); +static SENSOR_DEVICE_ATTR(in9_input, S_IRUGO, show_voltage, NULL, 8); +static SENSOR_DEVICE_ATTR(in10_input, S_IRUGO, show_voltage, NULL, 9); +static SENSOR_DEVICE_ATTR(in11_input, S_IRUGO, show_voltage, NULL, 10); +static SENSOR_DEVICE_ATTR(in12_input, S_IRUGO, show_voltage, NULL, 11); +static SENSOR_DEVICE_ATTR(in13_input, S_IRUGO, show_voltage, NULL, 12); + +static SENSOR_DEVICE_ATTR(in1_label, S_IRUGO, show_voltage_label, NULL, 0); +static SENSOR_DEVICE_ATTR(in2_label, S_IRUGO, show_voltage_label, NULL, 1); +static SENSOR_DEVICE_ATTR(in3_label, S_IRUGO, show_voltage_label, NULL, 2); +static SENSOR_DEVICE_ATTR(in4_label, S_IRUGO, show_voltage_label, NULL, 3); +static SENSOR_DEVICE_ATTR(in5_label, S_IRUGO, show_voltage_label, NULL, 4); +static SENSOR_DEVICE_ATTR(in6_label, S_IRUGO, show_voltage_label, NULL, 5); +static SENSOR_DEVICE_ATTR(in7_label, S_IRUGO, show_voltage_label, NULL, 6); +static SENSOR_DEVICE_ATTR(in8_label, S_IRUGO, show_voltage_label, NULL, 7); +static SENSOR_DEVICE_ATTR(in9_label, S_IRUGO, show_voltage_label, NULL, 8); +static SENSOR_DEVICE_ATTR(in10_label, S_IRUGO, show_voltage_label, NULL, 9); +static SENSOR_DEVICE_ATTR(in11_label, S_IRUGO, show_voltage_label, NULL, 10); +static SENSOR_DEVICE_ATTR(in12_label, S_IRUGO, show_voltage_label, NULL, 11); +static SENSOR_DEVICE_ATTR(in13_label, S_IRUGO, show_voltage_label, NULL, 12); + +static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM2 | ADT7462_V0_ALARM); +static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM2 | ADT7462_V7_ALARM); +static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM2 | ADT7462_V2_ALARM); +static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM2 | ADT7462_V6_ALARM); +static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM2 | ADT7462_V5_ALARM); +static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM2 | ADT7462_V4_ALARM); +static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM2 | ADT7462_V3_ALARM); +static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM2 | ADT7462_V1_ALARM); +static SENSOR_DEVICE_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM3 | ADT7462_V10_ALARM); +static SENSOR_DEVICE_ATTR(in10_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM3 | ADT7462_V9_ALARM); +static SENSOR_DEVICE_ATTR(in11_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM3 | ADT7462_V8_ALARM); +static SENSOR_DEVICE_ATTR(in12_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM3 | ADT7462_V11_ALARM); +static SENSOR_DEVICE_ATTR(in13_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM3 | ADT7462_V12_ALARM); + +static SENSOR_DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, + set_fan_min, 0); +static SENSOR_DEVICE_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, + set_fan_min, 1); +static SENSOR_DEVICE_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, + set_fan_min, 2); +static SENSOR_DEVICE_ATTR(fan4_min, S_IWUSR | S_IRUGO, show_fan_min, + set_fan_min, 3); +static SENSOR_DEVICE_ATTR(fan5_min, S_IWUSR | S_IRUGO, show_fan_min, + set_fan_min, 4); +static SENSOR_DEVICE_ATTR(fan6_min, S_IWUSR | S_IRUGO, show_fan_min, + set_fan_min, 5); +static SENSOR_DEVICE_ATTR(fan7_min, S_IWUSR | S_IRUGO, show_fan_min, + set_fan_min, 6); +static SENSOR_DEVICE_ATTR(fan8_min, S_IWUSR | S_IRUGO, show_fan_min, + set_fan_min, 7); + +static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0); +static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1); +static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2); +static SENSOR_DEVICE_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3); +static SENSOR_DEVICE_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 4); +static SENSOR_DEVICE_ATTR(fan6_input, S_IRUGO, show_fan, NULL, 5); +static SENSOR_DEVICE_ATTR(fan7_input, S_IRUGO, show_fan, NULL, 6); +static SENSOR_DEVICE_ATTR(fan8_input, S_IRUGO, show_fan, NULL, 7); + +static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM4 | ADT7462_F0_ALARM); +static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM4 | ADT7462_F1_ALARM); +static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM4 | ADT7462_F2_ALARM); +static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM4 | ADT7462_F3_ALARM); +static SENSOR_DEVICE_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM4 | ADT7462_F4_ALARM); +static SENSOR_DEVICE_ATTR(fan6_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM4 | ADT7462_F5_ALARM); +static SENSOR_DEVICE_ATTR(fan7_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM4 | ADT7462_F6_ALARM); +static SENSOR_DEVICE_ATTR(fan8_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM4 | ADT7462_F7_ALARM); + +static SENSOR_DEVICE_ATTR(force_pwm_max, S_IWUSR | S_IRUGO, + show_force_pwm_max, set_force_pwm_max, 0); + +static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 0); +static SENSOR_DEVICE_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 1); +static SENSOR_DEVICE_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 2); +static SENSOR_DEVICE_ATTR(pwm4, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 3); + +static SENSOR_DEVICE_ATTR(pwm1_auto_point1_pwm, S_IWUSR | S_IRUGO, + show_pwm_min, set_pwm_min, 0); +static SENSOR_DEVICE_ATTR(pwm2_auto_point1_pwm, S_IWUSR | S_IRUGO, + show_pwm_min, set_pwm_min, 1); +static SENSOR_DEVICE_ATTR(pwm3_auto_point1_pwm, S_IWUSR | S_IRUGO, + show_pwm_min, set_pwm_min, 2); +static SENSOR_DEVICE_ATTR(pwm4_auto_point1_pwm, S_IWUSR | S_IRUGO, + show_pwm_min, set_pwm_min, 3); + +static SENSOR_DEVICE_ATTR(pwm1_auto_point2_pwm, S_IWUSR | S_IRUGO, + show_pwm_max, set_pwm_max, 0); +static SENSOR_DEVICE_ATTR(pwm2_auto_point2_pwm, S_IWUSR | S_IRUGO, + show_pwm_max, set_pwm_max, 1); +static SENSOR_DEVICE_ATTR(pwm3_auto_point2_pwm, S_IWUSR | S_IRUGO, + show_pwm_max, set_pwm_max, 2); +static SENSOR_DEVICE_ATTR(pwm4_auto_point2_pwm, S_IWUSR | S_IRUGO, + show_pwm_max, set_pwm_max, 3); + +static SENSOR_DEVICE_ATTR(temp1_auto_point1_hyst, S_IWUSR | S_IRUGO, + show_pwm_hyst, set_pwm_hyst, 0); +static SENSOR_DEVICE_ATTR(temp2_auto_point1_hyst, S_IWUSR | S_IRUGO, + show_pwm_hyst, set_pwm_hyst, 1); +static SENSOR_DEVICE_ATTR(temp3_auto_point1_hyst, S_IWUSR | S_IRUGO, + show_pwm_hyst, set_pwm_hyst, 2); +static SENSOR_DEVICE_ATTR(temp4_auto_point1_hyst, S_IWUSR | S_IRUGO, + show_pwm_hyst, set_pwm_hyst, 3); + +static SENSOR_DEVICE_ATTR(temp1_auto_point2_hyst, S_IWUSR | S_IRUGO, + show_pwm_hyst, set_pwm_hyst, 0); +static SENSOR_DEVICE_ATTR(temp2_auto_point2_hyst, S_IWUSR | S_IRUGO, + show_pwm_hyst, set_pwm_hyst, 1); +static SENSOR_DEVICE_ATTR(temp3_auto_point2_hyst, S_IWUSR | S_IRUGO, + show_pwm_hyst, set_pwm_hyst, 2); +static SENSOR_DEVICE_ATTR(temp4_auto_point2_hyst, S_IWUSR | S_IRUGO, + show_pwm_hyst, set_pwm_hyst, 3); + +static SENSOR_DEVICE_ATTR(temp1_auto_point1_temp, S_IWUSR | S_IRUGO, + show_pwm_tmin, set_pwm_tmin, 0); +static SENSOR_DEVICE_ATTR(temp2_auto_point1_temp, S_IWUSR | S_IRUGO, + show_pwm_tmin, set_pwm_tmin, 1); +static SENSOR_DEVICE_ATTR(temp3_auto_point1_temp, S_IWUSR | S_IRUGO, + show_pwm_tmin, set_pwm_tmin, 2); +static SENSOR_DEVICE_ATTR(temp4_auto_point1_temp, S_IWUSR | S_IRUGO, + show_pwm_tmin, set_pwm_tmin, 3); + +static SENSOR_DEVICE_ATTR(temp1_auto_point2_temp, S_IWUSR | S_IRUGO, + show_pwm_tmax, set_pwm_tmax, 0); +static SENSOR_DEVICE_ATTR(temp2_auto_point2_temp, S_IWUSR | S_IRUGO, + show_pwm_tmax, set_pwm_tmax, 1); +static SENSOR_DEVICE_ATTR(temp3_auto_point2_temp, S_IWUSR | S_IRUGO, + show_pwm_tmax, set_pwm_tmax, 2); +static SENSOR_DEVICE_ATTR(temp4_auto_point2_temp, S_IWUSR | S_IRUGO, + show_pwm_tmax, set_pwm_tmax, 3); + +static SENSOR_DEVICE_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, show_pwm_auto, + set_pwm_auto, 0); +static SENSOR_DEVICE_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, show_pwm_auto, + set_pwm_auto, 1); +static SENSOR_DEVICE_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, show_pwm_auto, + set_pwm_auto, 2); +static SENSOR_DEVICE_ATTR(pwm4_enable, S_IWUSR | S_IRUGO, show_pwm_auto, + set_pwm_auto, 3); + +static SENSOR_DEVICE_ATTR(pwm1_auto_channels_temp, S_IWUSR | S_IRUGO, + show_pwm_auto_temp, set_pwm_auto_temp, 0); +static SENSOR_DEVICE_ATTR(pwm2_auto_channels_temp, S_IWUSR | S_IRUGO, + show_pwm_auto_temp, set_pwm_auto_temp, 1); +static SENSOR_DEVICE_ATTR(pwm3_auto_channels_temp, S_IWUSR | S_IRUGO, + show_pwm_auto_temp, set_pwm_auto_temp, 2); +static SENSOR_DEVICE_ATTR(pwm4_auto_channels_temp, S_IWUSR | S_IRUGO, + show_pwm_auto_temp, set_pwm_auto_temp, 3); + +static struct attribute *adt7462_attr[] = +{ + &sensor_dev_attr_temp1_max.dev_attr.attr, + &sensor_dev_attr_temp2_max.dev_attr.attr, + &sensor_dev_attr_temp3_max.dev_attr.attr, + &sensor_dev_attr_temp4_max.dev_attr.attr, + + &sensor_dev_attr_temp1_min.dev_attr.attr, + &sensor_dev_attr_temp2_min.dev_attr.attr, + &sensor_dev_attr_temp3_min.dev_attr.attr, + &sensor_dev_attr_temp4_min.dev_attr.attr, + + &sensor_dev_attr_temp1_input.dev_attr.attr, + &sensor_dev_attr_temp2_input.dev_attr.attr, + &sensor_dev_attr_temp3_input.dev_attr.attr, + &sensor_dev_attr_temp4_input.dev_attr.attr, + + &sensor_dev_attr_temp1_label.dev_attr.attr, + &sensor_dev_attr_temp2_label.dev_attr.attr, + &sensor_dev_attr_temp3_label.dev_attr.attr, + &sensor_dev_attr_temp4_label.dev_attr.attr, + + &sensor_dev_attr_temp1_alarm.dev_attr.attr, + &sensor_dev_attr_temp2_alarm.dev_attr.attr, + &sensor_dev_attr_temp3_alarm.dev_attr.attr, + &sensor_dev_attr_temp4_alarm.dev_attr.attr, + + &sensor_dev_attr_in1_max.dev_attr.attr, + &sensor_dev_attr_in2_max.dev_attr.attr, + &sensor_dev_attr_in3_max.dev_attr.attr, + &sensor_dev_attr_in4_max.dev_attr.attr, + &sensor_dev_attr_in5_max.dev_attr.attr, + &sensor_dev_attr_in6_max.dev_attr.attr, + &sensor_dev_attr_in7_max.dev_attr.attr, + &sensor_dev_attr_in8_max.dev_attr.attr, + &sensor_dev_attr_in9_max.dev_attr.attr, + &sensor_dev_attr_in10_max.dev_attr.attr, + &sensor_dev_attr_in11_max.dev_attr.attr, + &sensor_dev_attr_in12_max.dev_attr.attr, + &sensor_dev_attr_in13_max.dev_attr.attr, + + &sensor_dev_attr_in1_min.dev_attr.attr, + &sensor_dev_attr_in2_min.dev_attr.attr, + &sensor_dev_attr_in3_min.dev_attr.attr, + &sensor_dev_attr_in4_min.dev_attr.attr, + &sensor_dev_attr_in5_min.dev_attr.attr, + &sensor_dev_attr_in6_min.dev_attr.attr, + &sensor_dev_attr_in7_min.dev_attr.attr, + &sensor_dev_attr_in8_min.dev_attr.attr, + &sensor_dev_attr_in9_min.dev_attr.attr, + &sensor_dev_attr_in10_min.dev_attr.attr, + &sensor_dev_attr_in11_min.dev_attr.attr, + &sensor_dev_attr_in12_min.dev_attr.attr, + &sensor_dev_attr_in13_min.dev_attr.attr, + + &sensor_dev_attr_in1_input.dev_attr.attr, + &sensor_dev_attr_in2_input.dev_attr.attr, + &sensor_dev_attr_in3_input.dev_attr.attr, + &sensor_dev_attr_in4_input.dev_attr.attr, + &sensor_dev_attr_in5_input.dev_attr.attr, + &sensor_dev_attr_in6_input.dev_attr.attr, + &sensor_dev_attr_in7_input.dev_attr.attr, + &sensor_dev_attr_in8_input.dev_attr.attr, + &sensor_dev_attr_in9_input.dev_attr.attr, + &sensor_dev_attr_in10_input.dev_attr.attr, + &sensor_dev_attr_in11_input.dev_attr.attr, + &sensor_dev_attr_in12_input.dev_attr.attr, + &sensor_dev_attr_in13_input.dev_attr.attr, + + &sensor_dev_attr_in1_label.dev_attr.attr, + &sensor_dev_attr_in2_label.dev_attr.attr, + &sensor_dev_attr_in3_label.dev_attr.attr, + &sensor_dev_attr_in4_label.dev_attr.attr, + &sensor_dev_attr_in5_label.dev_attr.attr, + &sensor_dev_attr_in6_label.dev_attr.attr, + &sensor_dev_attr_in7_label.dev_attr.attr, + &sensor_dev_attr_in8_label.dev_attr.attr, + &sensor_dev_attr_in9_label.dev_attr.attr, + &sensor_dev_attr_in10_label.dev_attr.attr, + &sensor_dev_attr_in11_label.dev_attr.attr, + &sensor_dev_attr_in12_label.dev_attr.attr, + &sensor_dev_attr_in13_label.dev_attr.attr, + + &sensor_dev_attr_in1_alarm.dev_attr.attr, + &sensor_dev_attr_in2_alarm.dev_attr.attr, + &sensor_dev_attr_in3_alarm.dev_attr.attr, + &sensor_dev_attr_in4_alarm.dev_attr.attr, + &sensor_dev_attr_in5_alarm.dev_attr.attr, + &sensor_dev_attr_in6_alarm.dev_attr.attr, + &sensor_dev_attr_in7_alarm.dev_attr.attr, + &sensor_dev_attr_in8_alarm.dev_attr.attr, + &sensor_dev_attr_in9_alarm.dev_attr.attr, + &sensor_dev_attr_in10_alarm.dev_attr.attr, + &sensor_dev_attr_in11_alarm.dev_attr.attr, + &sensor_dev_attr_in12_alarm.dev_attr.attr, + &sensor_dev_attr_in13_alarm.dev_attr.attr, + + &sensor_dev_attr_fan1_min.dev_attr.attr, + &sensor_dev_attr_fan2_min.dev_attr.attr, + &sensor_dev_attr_fan3_min.dev_attr.attr, + &sensor_dev_attr_fan4_min.dev_attr.attr, + &sensor_dev_attr_fan5_min.dev_attr.attr, + &sensor_dev_attr_fan6_min.dev_attr.attr, + &sensor_dev_attr_fan7_min.dev_attr.attr, + &sensor_dev_attr_fan8_min.dev_attr.attr, + + &sensor_dev_attr_fan1_input.dev_attr.attr, + &sensor_dev_attr_fan2_input.dev_attr.attr, + &sensor_dev_attr_fan3_input.dev_attr.attr, + &sensor_dev_attr_fan4_input.dev_attr.attr, + &sensor_dev_attr_fan5_input.dev_attr.attr, + &sensor_dev_attr_fan6_input.dev_attr.attr, + &sensor_dev_attr_fan7_input.dev_attr.attr, + &sensor_dev_attr_fan8_input.dev_attr.attr, + + &sensor_dev_attr_fan1_alarm.dev_attr.attr, + &sensor_dev_attr_fan2_alarm.dev_attr.attr, + &sensor_dev_attr_fan3_alarm.dev_attr.attr, + &sensor_dev_attr_fan4_alarm.dev_attr.attr, + &sensor_dev_attr_fan5_alarm.dev_attr.attr, + &sensor_dev_attr_fan6_alarm.dev_attr.attr, + &sensor_dev_attr_fan7_alarm.dev_attr.attr, + &sensor_dev_attr_fan8_alarm.dev_attr.attr, + + &sensor_dev_attr_force_pwm_max.dev_attr.attr, + &sensor_dev_attr_pwm1.dev_attr.attr, + &sensor_dev_attr_pwm2.dev_attr.attr, + &sensor_dev_attr_pwm3.dev_attr.attr, + &sensor_dev_attr_pwm4.dev_attr.attr, + + &sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr, + &sensor_dev_attr_pwm4_auto_point1_pwm.dev_attr.attr, + + &sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_point2_pwm.dev_attr.attr, + &sensor_dev_attr_pwm4_auto_point2_pwm.dev_attr.attr, + + &sensor_dev_attr_temp1_auto_point1_hyst.dev_attr.attr, + &sensor_dev_attr_temp2_auto_point1_hyst.dev_attr.attr, + &sensor_dev_attr_temp3_auto_point1_hyst.dev_attr.attr, + &sensor_dev_attr_temp4_auto_point1_hyst.dev_attr.attr, + + &sensor_dev_attr_temp1_auto_point2_hyst.dev_attr.attr, + &sensor_dev_attr_temp2_auto_point2_hyst.dev_attr.attr, + &sensor_dev_attr_temp3_auto_point2_hyst.dev_attr.attr, + &sensor_dev_attr_temp4_auto_point2_hyst.dev_attr.attr, + + &sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr, + &sensor_dev_attr_temp2_auto_point1_temp.dev_attr.attr, + &sensor_dev_attr_temp3_auto_point1_temp.dev_attr.attr, + &sensor_dev_attr_temp4_auto_point1_temp.dev_attr.attr, + + &sensor_dev_attr_temp1_auto_point2_temp.dev_attr.attr, + &sensor_dev_attr_temp2_auto_point2_temp.dev_attr.attr, + &sensor_dev_attr_temp3_auto_point2_temp.dev_attr.attr, + &sensor_dev_attr_temp4_auto_point2_temp.dev_attr.attr, + + &sensor_dev_attr_pwm1_enable.dev_attr.attr, + &sensor_dev_attr_pwm2_enable.dev_attr.attr, + &sensor_dev_attr_pwm3_enable.dev_attr.attr, + &sensor_dev_attr_pwm4_enable.dev_attr.attr, + + &sensor_dev_attr_pwm1_auto_channels_temp.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_channels_temp.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_channels_temp.dev_attr.attr, + &sensor_dev_attr_pwm4_auto_channels_temp.dev_attr.attr, + NULL +}; + +/* Return 0 if detection is successful, -ENODEV otherwise */ +static int adt7462_detect(struct i2c_client *client, int kind, + struct i2c_board_info *info) +{ + struct i2c_adapter *adapter = client->adapter; + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) + return -ENODEV; + + if (kind <= 0) { + int vendor, device, revision; + + vendor = i2c_smbus_read_byte_data(client, ADT7462_REG_VENDOR); + if (vendor != ADT7462_VENDOR) + return -ENODEV; + + device = i2c_smbus_read_byte_data(client, ADT7462_REG_DEVICE); + if (device != ADT7462_DEVICE) + return -ENODEV; + + revision = i2c_smbus_read_byte_data(client, + ADT7462_REG_REVISION); + if (revision != ADT7462_REVISION) + return -ENODEV; + } else + dev_dbg(&adapter->dev, "detection forced\n"); + + strlcpy(info->type, "adt7462", I2C_NAME_SIZE); + + return 0; +} + +static int adt7462_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct adt7462_data *data; + int err; + + data = kzalloc(sizeof(struct adt7462_data), GFP_KERNEL); + if (!data) { + err = -ENOMEM; + goto exit; + } + + i2c_set_clientdata(client, data); + mutex_init(&data->lock); + + dev_info(&client->dev, "%s chip found\n", client->name); + + /* Register sysfs hooks */ + data->attrs.attrs = adt7462_attr; + err = sysfs_create_group(&client->dev.kobj, &data->attrs); + if (err) + goto exit_free; + + data->hwmon_dev = hwmon_device_register(&client->dev); + if (IS_ERR(data->hwmon_dev)) { + err = PTR_ERR(data->hwmon_dev); + goto exit_remove; + } + + return 0; + +exit_remove: + sysfs_remove_group(&client->dev.kobj, &data->attrs); +exit_free: + kfree(data); +exit: + return err; +} + +static int adt7462_remove(struct i2c_client *client) +{ + struct adt7462_data *data = i2c_get_clientdata(client); + + hwmon_device_unregister(data->hwmon_dev); + sysfs_remove_group(&client->dev.kobj, &data->attrs); + kfree(data); + return 0; +} + +static int __init adt7462_init(void) +{ + return i2c_add_driver(&adt7462_driver); +} + +static void __exit adt7462_exit(void) +{ + i2c_del_driver(&adt7462_driver); +} + +MODULE_AUTHOR("Darrick J. Wong <djwong@us.ibm.com>"); +MODULE_DESCRIPTION("ADT7462 driver"); +MODULE_LICENSE("GPL"); + +module_init(adt7462_init); +module_exit(adt7462_exit); diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c index d368d8f845e..1311a595147 100644 --- a/drivers/hwmon/adt7470.c +++ b/drivers/hwmon/adt7470.c @@ -137,6 +137,8 @@ I2C_CLIENT_INSMOD_1(adt7470); #define FAN_PERIOD_INVALID 65535 #define FAN_DATA_VALID(x) ((x) && (x) != FAN_PERIOD_INVALID) +#define ROUND_DIV(x, divisor) (((x) + ((divisor) / 2)) / (divisor)) + struct adt7470_data { struct device *hwmon_dev; struct attribute_group attrs; @@ -353,7 +355,13 @@ static ssize_t set_temp_min(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10) / 1000; + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000); + temp = SENSORS_LIMIT(temp, 0, 255); mutex_lock(&data->lock); data->temp_min[attr->index] = temp; @@ -381,7 +389,13 @@ static ssize_t set_temp_max(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10) / 1000; + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000); + temp = SENSORS_LIMIT(temp, 0, 255); mutex_lock(&data->lock); data->temp_max[attr->index] = temp; @@ -430,11 +444,13 @@ static ssize_t set_fan_max(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; - if (!temp) + if (strict_strtol(buf, 10, &temp) || !temp) return -EINVAL; + temp = FAN_RPM_TO_PERIOD(temp); + temp = SENSORS_LIMIT(temp, 1, 65534); mutex_lock(&data->lock); data->fan_max[attr->index] = temp; @@ -465,11 +481,13 @@ static ssize_t set_fan_min(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; - if (!temp) + if (strict_strtol(buf, 10, &temp) || !temp) return -EINVAL; + temp = FAN_RPM_TO_PERIOD(temp); + temp = SENSORS_LIMIT(temp, 1, 65534); mutex_lock(&data->lock); data->fan_min[attr->index] = temp; @@ -507,9 +525,12 @@ static ssize_t set_force_pwm_max(struct device *dev, { struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; u8 reg; + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + mutex_lock(&data->lock); data->force_pwm_max = temp; reg = i2c_smbus_read_byte_data(client, ADT7470_REG_CFG); @@ -537,7 +558,12 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = SENSORS_LIMIT(temp, 0, 255); mutex_lock(&data->lock); data->pwm[attr->index] = temp; @@ -564,7 +590,12 @@ static ssize_t set_pwm_max(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = SENSORS_LIMIT(temp, 0, 255); mutex_lock(&data->lock); data->pwm_max[attr->index] = temp; @@ -592,7 +623,12 @@ static ssize_t set_pwm_min(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = SENSORS_LIMIT(temp, 0, 255); mutex_lock(&data->lock); data->pwm_min[attr->index] = temp; @@ -630,7 +666,13 @@ static ssize_t set_pwm_tmin(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10) / 1000; + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000); + temp = SENSORS_LIMIT(temp, 0, 255); mutex_lock(&data->lock); data->pwm_tmin[attr->index] = temp; @@ -658,11 +700,14 @@ static ssize_t set_pwm_auto(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); int pwm_auto_reg = ADT7470_REG_PWM_CFG(attr->index); int pwm_auto_reg_mask; + long temp; u8 reg; + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + if (attr->index % 2) pwm_auto_reg_mask = ADT7470_PWM2_AUTO_MASK; else @@ -716,10 +761,14 @@ static ssize_t set_pwm_auto_temp(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = cvt_auto_temp(simple_strtol(buf, NULL, 10)); int pwm_auto_reg = ADT7470_REG_PWM_AUTO_TEMP(attr->index); + long temp; u8 reg; + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = cvt_auto_temp(temp); if (temp < 0) return temp; diff --git a/drivers/hwmon/adt7473.c b/drivers/hwmon/adt7473.c index b9a8ea30c99..18aa30866a6 100644 --- a/drivers/hwmon/adt7473.c +++ b/drivers/hwmon/adt7473.c @@ -129,6 +129,8 @@ I2C_CLIENT_INSMOD_1(adt7473); #define FAN_PERIOD_INVALID 65535 #define FAN_DATA_VALID(x) ((x) && (x) != FAN_PERIOD_INVALID) +#define ROUND_DIV(x, divisor) (((x) + ((divisor) / 2)) / (divisor)) + struct adt7473_data { struct device *hwmon_dev; struct attribute_group attrs; @@ -357,7 +359,12 @@ static ssize_t set_volt_min(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int volt = encode_volt(attr->index, simple_strtol(buf, NULL, 10)); + long volt; + + if (strict_strtol(buf, 10, &volt)) + return -EINVAL; + + volt = encode_volt(attr->index, volt); mutex_lock(&data->lock); data->volt_min[attr->index] = volt; @@ -386,7 +393,12 @@ static ssize_t set_volt_max(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int volt = encode_volt(attr->index, simple_strtol(buf, NULL, 10)); + long volt; + + if (strict_strtol(buf, 10, &volt)) + return -EINVAL; + + volt = encode_volt(attr->index, volt); mutex_lock(&data->lock); data->volt_max[attr->index] = volt; @@ -419,7 +431,8 @@ static int decode_temp(u8 twos_complement, u8 raw) static u8 encode_temp(u8 twos_complement, int cooked) { - return twos_complement ? cooked & 0xFF : cooked + 64; + u8 ret = twos_complement ? cooked & 0xFF : cooked + 64; + return SENSORS_LIMIT(ret, 0, 255); } static ssize_t show_temp_min(struct device *dev, @@ -441,7 +454,12 @@ static ssize_t set_temp_min(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10) / 1000; + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000); temp = encode_temp(data->temp_twos_complement, temp); mutex_lock(&data->lock); @@ -472,7 +490,12 @@ static ssize_t set_temp_max(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10) / 1000; + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000); temp = encode_temp(data->temp_twos_complement, temp); mutex_lock(&data->lock); @@ -515,11 +538,13 @@ static ssize_t set_fan_min(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; - if (!temp) + if (strict_strtol(buf, 10, &temp) || !temp) return -EINVAL; + temp = FAN_RPM_TO_PERIOD(temp); + temp = SENSORS_LIMIT(temp, 1, 65534); mutex_lock(&data->lock); data->fan_min[attr->index] = temp; @@ -558,7 +583,10 @@ static ssize_t set_max_duty_at_crit(struct device *dev, u8 reg; struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; mutex_lock(&data->lock); data->max_duty_at_overheat = !!temp; @@ -587,7 +615,12 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = SENSORS_LIMIT(temp, 0, 255); mutex_lock(&data->lock); data->pwm[attr->index] = temp; @@ -614,7 +647,12 @@ static ssize_t set_pwm_max(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = SENSORS_LIMIT(temp, 0, 255); mutex_lock(&data->lock); data->pwm_max[attr->index] = temp; @@ -642,7 +680,12 @@ static ssize_t set_pwm_min(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = SENSORS_LIMIT(temp, 0, 255); mutex_lock(&data->lock); data->pwm_min[attr->index] = temp; @@ -672,7 +715,12 @@ static ssize_t set_temp_tmax(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10) / 1000; + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000); temp = encode_temp(data->temp_twos_complement, temp); mutex_lock(&data->lock); @@ -703,7 +751,12 @@ static ssize_t set_temp_tmin(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10) / 1000; + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000); temp = encode_temp(data->temp_twos_complement, temp); mutex_lock(&data->lock); @@ -741,7 +794,10 @@ static ssize_t set_pwm_enable(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; switch (temp) { case 0: @@ -805,7 +861,10 @@ static ssize_t set_pwm_auto_temp(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; switch (temp) { case 1: diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c index bc011da79e1..488e45cd43d 100644 --- a/drivers/hwmon/applesmc.c +++ b/drivers/hwmon/applesmc.c @@ -116,6 +116,18 @@ static const char* temperature_sensors_sets[][36] = { /* Set 9: Macbook Pro 3,1 (Santa Rosa) */ { "TALP", "TB0T", "TC0D", "TC0P", "TG0D", "TG0H", "TTF0", "TW0P", "Th0H", "Th1H", "Th2H", "Tm0P", "Ts0P", NULL }, +/* Set 10: iMac 5,1 */ + { "TA0P", "TC0D", "TC0P", "TG0D", "TH0P", "TO0P", "Tm0P", NULL }, +/* Set 11: Macbook 5,1 */ + { "TB0T", "TB1T", "TB2T", "TB3T", "TC0D", "TC0P", "TN0D", "TN0P", + "TTF0", "Th0H", "Th1H", "ThFH", "Ts0P", "Ts0S", NULL }, +/* Set 12: Macbook Pro 5,1 */ + { "TB0T", "TB1T", "TB2T", "TB3T", "TC0D", "TC0F", "TC0P", "TG0D", + "TG0F", "TG0H", "TG0P", "TG0T", "TG1H", "TN0D", "TN0P", "TTF0", + "Th2H", "Tm0P", "Ts0P", "Ts0S", NULL }, +/* Set 13: iMac 8,1 */ + { "TA0P", "TC0D", "TC0H", "TC0P", "TG0D", "TG0H", "TG0P", "TH0P", + "TL0P", "TO0P", "TW0P", "Tm0P", "Tp0P", NULL }, }; /* List of keys used to read/write fan speeds */ @@ -1268,7 +1280,7 @@ static __initdata struct dmi_match_data applesmc_dmi_data[] = { { .accelerometer = 0, .light = 0, .temperature_set = 4 }, /* iMac: temperature set 5 */ { .accelerometer = 0, .light = 0, .temperature_set = 5 }, -/* MacBook3: accelerometer and temperature set 6 */ +/* MacBook3, MacBook4: accelerometer and temperature set 6 */ { .accelerometer = 1, .light = 0, .temperature_set = 6 }, /* MacBook Air: accelerometer, backlight and temperature set 7 */ { .accelerometer = 1, .light = 1, .temperature_set = 7 }, @@ -1276,6 +1288,14 @@ static __initdata struct dmi_match_data applesmc_dmi_data[] = { { .accelerometer = 1, .light = 1, .temperature_set = 8 }, /* MacBook Pro 3: accelerometer, backlight and temperature set 9 */ { .accelerometer = 1, .light = 1, .temperature_set = 9 }, +/* iMac 5: light sensor only, temperature set 10 */ + { .accelerometer = 0, .light = 0, .temperature_set = 10 }, +/* MacBook 5: accelerometer, backlight and temperature set 11 */ + { .accelerometer = 1, .light = 1, .temperature_set = 11 }, +/* MacBook Pro 5: accelerometer, backlight and temperature set 12 */ + { .accelerometer = 1, .light = 1, .temperature_set = 12 }, +/* iMac 8: light sensor only, temperature set 13 */ + { .accelerometer = 0, .light = 0, .temperature_set = 13 }, }; /* Note that DMI_MATCH(...,"MacBook") will match "MacBookPro1,1". @@ -1285,6 +1305,10 @@ static __initdata struct dmi_system_id applesmc_whitelist[] = { DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir") }, &applesmc_dmi_data[7]}, + { applesmc_dmi_match, "Apple MacBook Pro 5", { + DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro5") }, + &applesmc_dmi_data[12]}, { applesmc_dmi_match, "Apple MacBook Pro 4", { DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro4") }, @@ -1305,6 +1329,14 @@ static __initdata struct dmi_system_id applesmc_whitelist[] = { DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), DMI_MATCH(DMI_PRODUCT_NAME,"MacBook3") }, &applesmc_dmi_data[6]}, + { applesmc_dmi_match, "Apple MacBook 4", { + DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBook4") }, + &applesmc_dmi_data[6]}, + { applesmc_dmi_match, "Apple MacBook 5", { + DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBook5") }, + &applesmc_dmi_data[11]}, { applesmc_dmi_match, "Apple MacBook", { DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), DMI_MATCH(DMI_PRODUCT_NAME,"MacBook") }, @@ -1317,6 +1349,14 @@ static __initdata struct dmi_system_id applesmc_whitelist[] = { DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), DMI_MATCH(DMI_PRODUCT_NAME,"MacPro2") }, &applesmc_dmi_data[4]}, + { applesmc_dmi_match, "Apple iMac 8", { + DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), + DMI_MATCH(DMI_PRODUCT_NAME, "iMac8") }, + &applesmc_dmi_data[13]}, + { applesmc_dmi_match, "Apple iMac 5", { + DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), + DMI_MATCH(DMI_PRODUCT_NAME, "iMac5") }, + &applesmc_dmi_data[10]}, { applesmc_dmi_match, "Apple iMac", { DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), DMI_MATCH(DMI_PRODUCT_NAME,"iMac") }, diff --git a/drivers/hwmon/ibmaem.c b/drivers/hwmon/ibmaem.c index 7b0ed5dea39..fe74609a7fe 100644 --- a/drivers/hwmon/ibmaem.c +++ b/drivers/hwmon/ibmaem.c @@ -88,9 +88,11 @@ static DEFINE_IDR(aem_idr); static DEFINE_SPINLOCK(aem_idr_lock); -static struct device_driver aem_driver = { - .name = DRVNAME, - .bus = &platform_bus_type, +static struct platform_driver aem_driver = { + .driver = { + .name = DRVNAME, + .bus = &platform_bus_type, + } }; struct aem_ipmi_data { @@ -583,7 +585,7 @@ static int aem_init_aem1_inst(struct aem_ipmi_data *probe, u8 module_handle) data->pdev = platform_device_alloc(DRVNAME, data->id); if (!data->pdev) goto dev_err; - data->pdev->dev.driver = &aem_driver; + data->pdev->dev.driver = &aem_driver.driver; res = platform_device_add(data->pdev); if (res) @@ -716,7 +718,7 @@ static int aem_init_aem2_inst(struct aem_ipmi_data *probe, data->pdev = platform_device_alloc(DRVNAME, data->id); if (!data->pdev) goto dev_err; - data->pdev->dev.driver = &aem_driver; + data->pdev->dev.driver = &aem_driver.driver; res = platform_device_add(data->pdev); if (res) @@ -1085,7 +1087,7 @@ static int __init aem_init(void) { int res; - res = driver_register(&aem_driver); + res = driver_register(&aem_driver.driver); if (res) { printk(KERN_ERR "Can't register aem driver\n"); return res; @@ -1097,7 +1099,7 @@ static int __init aem_init(void) return 0; ipmi_reg_err: - driver_unregister(&aem_driver); + driver_unregister(&aem_driver.driver); return res; } @@ -1107,7 +1109,7 @@ static void __exit aem_exit(void) struct aem_data *p1, *next1; ipmi_smi_watcher_unregister(&driver_data.bmc_events); - driver_unregister(&aem_driver); + driver_unregister(&aem_driver.driver); list_for_each_entry_safe(p1, next1, &driver_data.aem_devices, list) aem_delete(p1); } diff --git a/drivers/hwmon/lis3lv02d.c b/drivers/hwmon/lis3lv02d.c new file mode 100644 index 00000000000..752b5c44df9 --- /dev/null +++ b/drivers/hwmon/lis3lv02d.c @@ -0,0 +1,582 @@ +/* + * lis3lv02d.c - ST LIS3LV02DL accelerometer driver + * + * Copyright (C) 2007-2008 Yan Burman + * Copyright (C) 2008 Eric Piel + * + * 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 Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * 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/kernel.h> +#include <linux/init.h> +#include <linux/dmi.h> +#include <linux/module.h> +#include <linux/types.h> +#include <linux/platform_device.h> +#include <linux/interrupt.h> +#include <linux/input.h> +#include <linux/kthread.h> +#include <linux/semaphore.h> +#include <linux/delay.h> +#include <linux/wait.h> +#include <linux/poll.h> +#include <linux/freezer.h> +#include <linux/version.h> +#include <linux/uaccess.h> +#include <acpi/acpi_drivers.h> +#include <asm/atomic.h> +#include "lis3lv02d.h" + +#define DRIVER_NAME "lis3lv02d" +#define ACPI_MDPS_CLASS "accelerometer" + +/* joystick device poll interval in milliseconds */ +#define MDPS_POLL_INTERVAL 50 +/* + * The sensor can also generate interrupts (DRDY) but it's pretty pointless + * because their are generated even if the data do not change. So it's better + * to keep the interrupt for the free-fall event. The values are updated at + * 40Hz (at the lowest frequency), but as it can be pretty time consuming on + * some low processor, we poll the sensor only at 20Hz... enough for the + * joystick. + */ + +/* Maximum value our axis may get for the input device (signed 12 bits) */ +#define MDPS_MAX_VAL 2048 + +struct axis_conversion { + s8 x; + s8 y; + s8 z; +}; + +struct acpi_lis3lv02d { + struct acpi_device *device; /* The ACPI device */ + struct input_dev *idev; /* input device */ + struct task_struct *kthread; /* kthread for input */ + struct mutex lock; + struct platform_device *pdev; /* platform device */ + atomic_t count; /* interrupt count after last read */ + int xcalib; /* calibrated null value for x */ + int ycalib; /* calibrated null value for y */ + int zcalib; /* calibrated null value for z */ + unsigned char is_on; /* whether the device is on or off */ + unsigned char usage; /* usage counter */ + struct axis_conversion ac; /* hw -> logical axis */ +}; + +static struct acpi_lis3lv02d adev; + +static int lis3lv02d_remove_fs(void); +static int lis3lv02d_add_fs(struct acpi_device *device); + +/* For automatic insertion of the module */ +static struct acpi_device_id lis3lv02d_device_ids[] = { + {"HPQ0004", 0}, /* HP Mobile Data Protection System PNP */ + {"", 0}, +}; +MODULE_DEVICE_TABLE(acpi, lis3lv02d_device_ids); + +/** + * lis3lv02d_acpi_init - ACPI _INI method: initialize the device. + * @handle: the handle of the device + * + * Returns AE_OK on success. + */ +static inline acpi_status lis3lv02d_acpi_init(acpi_handle handle) +{ + return acpi_evaluate_object(handle, METHOD_NAME__INI, NULL, NULL); +} + +/** + * lis3lv02d_acpi_read - ACPI ALRD method: read a register + * @handle: the handle of the device + * @reg: the register to read + * @ret: result of the operation + * + * Returns AE_OK on success. + */ +static acpi_status lis3lv02d_acpi_read(acpi_handle handle, int reg, u8 *ret) +{ + union acpi_object arg0 = { ACPI_TYPE_INTEGER }; + struct acpi_object_list args = { 1, &arg0 }; + unsigned long long lret; + acpi_status status; + + arg0.integer.value = reg; + + status = acpi_evaluate_integer(handle, "ALRD", &args, &lret); + *ret = lret; + return status; +} + +/** + * lis3lv02d_acpi_write - ACPI ALWR method: write to a register + * @handle: the handle of the device + * @reg: the register to write to + * @val: the value to write + * + * Returns AE_OK on success. + */ +static acpi_status lis3lv02d_acpi_write(acpi_handle handle, int reg, u8 val) +{ + unsigned long long ret; /* Not used when writting */ + union acpi_object in_obj[2]; + struct acpi_object_list args = { 2, in_obj }; + + in_obj[0].type = ACPI_TYPE_INTEGER; + in_obj[0].integer.value = reg; + in_obj[1].type = ACPI_TYPE_INTEGER; + in_obj[1].integer.value = val; + + return acpi_evaluate_integer(handle, "ALWR", &args, &ret); +} + +static s16 lis3lv02d_read_16(acpi_handle handle, int reg) +{ + u8 lo, hi; + + lis3lv02d_acpi_read(handle, reg, &lo); + lis3lv02d_acpi_read(handle, reg + 1, &hi); + /* In "12 bit right justified" mode, bit 6, bit 7, bit 8 = bit 5 */ + return (s16)((hi << 8) | lo); +} + +/** + * lis3lv02d_get_axis - For the given axis, give the value converted + * @axis: 1,2,3 - can also be negative + * @hw_values: raw values returned by the hardware + * + * Returns the converted value. + */ +static inline int lis3lv02d_get_axis(s8 axis, int hw_values[3]) +{ + if (axis > 0) + return hw_values[axis - 1]; + else + return -hw_values[-axis - 1]; +} + +/** + * lis3lv02d_get_xyz - Get X, Y and Z axis values from the accelerometer + * @handle: the handle to the device + * @x: where to store the X axis value + * @y: where to store the Y axis value + * @z: where to store the Z axis value + * + * Note that 40Hz input device can eat up about 10% CPU at 800MHZ + */ +static void lis3lv02d_get_xyz(acpi_handle handle, int *x, int *y, int *z) +{ + int position[3]; + + position[0] = lis3lv02d_read_16(handle, OUTX_L); + position[1] = lis3lv02d_read_16(handle, OUTY_L); + position[2] = lis3lv02d_read_16(handle, OUTZ_L); + + *x = lis3lv02d_get_axis(adev.ac.x, position); + *y = lis3lv02d_get_axis(adev.ac.y, position); + *z = lis3lv02d_get_axis(adev.ac.z, position); +} + +static inline void lis3lv02d_poweroff(acpi_handle handle) +{ + adev.is_on = 0; + /* disable X,Y,Z axis and power down */ + lis3lv02d_acpi_write(handle, CTRL_REG1, 0x00); +} + +static void lis3lv02d_poweron(acpi_handle handle) +{ + u8 val; + + adev.is_on = 1; + lis3lv02d_acpi_init(handle); + lis3lv02d_acpi_write(handle, FF_WU_CFG, 0); + /* + * BDU: LSB and MSB values are not updated until both have been read. + * So the value read will always be correct. + * IEN: Interrupt for free-fall and DD, not for data-ready. + */ + lis3lv02d_acpi_read(handle, CTRL_REG2, &val); + val |= CTRL2_BDU | CTRL2_IEN; + lis3lv02d_acpi_write(handle, CTRL_REG2, val); +} + +#ifdef CONFIG_PM +static int lis3lv02d_suspend(struct acpi_device *device, pm_message_t state) +{ + /* make sure the device is off when we suspend */ + lis3lv02d_poweroff(device->handle); + return 0; +} + +static int lis3lv02d_resume(struct acpi_device *device) +{ + /* put back the device in the right state (ACPI might turn it on) */ + mutex_lock(&adev.lock); + if (adev.usage > 0) + lis3lv02d_poweron(device->handle); + else + lis3lv02d_poweroff(device->handle); + mutex_unlock(&adev.lock); + return 0; +} +#else +#define lis3lv02d_suspend NULL +#define lis3lv02d_resume NULL +#endif + + +/* + * To be called before starting to use the device. It makes sure that the + * device will always be on until a call to lis3lv02d_decrease_use(). Not to be + * used from interrupt context. + */ +static void lis3lv02d_increase_use(struct acpi_lis3lv02d *dev) +{ + mutex_lock(&dev->lock); + dev->usage++; + if (dev->usage == 1) { + if (!dev->is_on) + lis3lv02d_poweron(dev->device->handle); + } + mutex_unlock(&dev->lock); +} + +/* + * To be called whenever a usage of the device is stopped. + * It will make sure to turn off the device when there is not usage. + */ +static void lis3lv02d_decrease_use(struct acpi_lis3lv02d *dev) +{ + mutex_lock(&dev->lock); + dev->usage--; + if (dev->usage == 0) + lis3lv02d_poweroff(dev->device->handle); + mutex_unlock(&dev->lock); +} + +/** + * lis3lv02d_joystick_kthread - Kthread polling function + * @data: unused - here to conform to threadfn prototype + */ +static int lis3lv02d_joystick_kthread(void *data) +{ + int x, y, z; + + while (!kthread_should_stop()) { + lis3lv02d_get_xyz(adev.device->handle, &x, &y, &z); + input_report_abs(adev.idev, ABS_X, x - adev.xcalib); + input_report_abs(adev.idev, ABS_Y, y - adev.ycalib); + input_report_abs(adev.idev, ABS_Z, z - adev.zcalib); + + input_sync(adev.idev); + + try_to_freeze(); + msleep_interruptible(MDPS_POLL_INTERVAL); + } + + return 0; +} + +static int lis3lv02d_joystick_open(struct input_dev *input) +{ + lis3lv02d_increase_use(&adev); + adev.kthread = kthread_run(lis3lv02d_joystick_kthread, NULL, "klis3lv02d"); + if (IS_ERR(adev.kthread)) { + lis3lv02d_decrease_use(&adev); + return PTR_ERR(adev.kthread); + } + + return 0; +} + +static void lis3lv02d_joystick_close(struct input_dev *input) +{ + kthread_stop(adev.kthread); + lis3lv02d_decrease_use(&adev); +} + + +static inline void lis3lv02d_calibrate_joystick(void) +{ + lis3lv02d_get_xyz(adev.device->handle, &adev.xcalib, &adev.ycalib, &adev.zcalib); +} + +static int lis3lv02d_joystick_enable(void) +{ + int err; + + if (adev.idev) + return -EINVAL; + + adev.idev = input_allocate_device(); + if (!adev.idev) + return -ENOMEM; + + lis3lv02d_calibrate_joystick(); + + adev.idev->name = "ST LIS3LV02DL Accelerometer"; + adev.idev->phys = DRIVER_NAME "/input0"; + adev.idev->id.bustype = BUS_HOST; + adev.idev->id.vendor = 0; + adev.idev->dev.parent = &adev.pdev->dev; + adev.idev->open = lis3lv02d_joystick_open; + adev.idev->close = lis3lv02d_joystick_close; + + set_bit(EV_ABS, adev.idev->evbit); + input_set_abs_params(adev.idev, ABS_X, -MDPS_MAX_VAL, MDPS_MAX_VAL, 3, 3); + input_set_abs_params(adev.idev, ABS_Y, -MDPS_MAX_VAL, MDPS_MAX_VAL, 3, 3); + input_set_abs_params(adev.idev, ABS_Z, -MDPS_MAX_VAL, MDPS_MAX_VAL, 3, 3); + + err = input_register_device(adev.idev); + if (err) { + input_free_device(adev.idev); + adev.idev = NULL; + } + + return err; +} + +static void lis3lv02d_joystick_disable(void) +{ + if (!adev.idev) + return; + + input_unregister_device(adev.idev); + adev.idev = NULL; +} + + +/* + * Initialise the accelerometer and the various subsystems. + * Should be rather independant of the bus system. + */ +static int lis3lv02d_init_device(struct acpi_lis3lv02d *dev) +{ + mutex_init(&dev->lock); + lis3lv02d_add_fs(dev->device); + lis3lv02d_increase_use(dev); + + if (lis3lv02d_joystick_enable()) + printk(KERN_ERR DRIVER_NAME ": joystick initialization failed\n"); + + lis3lv02d_decrease_use(dev); + return 0; +} + +static int lis3lv02d_dmi_matched(const struct dmi_system_id *dmi) +{ + adev.ac = *((struct axis_conversion *)dmi->driver_data); + printk(KERN_INFO DRIVER_NAME ": hardware type %s found.\n", dmi->ident); + + return 1; +} + +/* Represents, for each axis seen by userspace, the corresponding hw axis (+1). + * If the value is negative, the opposite of the hw value is used. */ +static struct axis_conversion lis3lv02d_axis_normal = {1, 2, 3}; +static struct axis_conversion lis3lv02d_axis_y_inverted = {1, -2, 3}; +static struct axis_conversion lis3lv02d_axis_x_inverted = {-1, 2, 3}; +static struct axis_conversion lis3lv02d_axis_z_inverted = {1, 2, -3}; +static struct axis_conversion lis3lv02d_axis_xy_rotated_left = {-2, 1, 3}; +static struct axis_conversion lis3lv02d_axis_xy_swap_inverted = {-2, -1, 3}; + +#define AXIS_DMI_MATCH(_ident, _name, _axis) { \ + .ident = _ident, \ + .callback = lis3lv02d_dmi_matched, \ + .matches = { \ + DMI_MATCH(DMI_PRODUCT_NAME, _name) \ + }, \ + .driver_data = &lis3lv02d_axis_##_axis \ +} +static struct dmi_system_id lis3lv02d_dmi_ids[] = { + /* product names are truncated to match all kinds of a same model */ + AXIS_DMI_MATCH("NC64x0", "HP Compaq nc64", x_inverted), + AXIS_DMI_MATCH("NC84x0", "HP Compaq nc84", z_inverted), + AXIS_DMI_MATCH("NX9420", "HP Compaq nx9420", x_inverted), + AXIS_DMI_MATCH("NW9440", "HP Compaq nw9440", x_inverted), + AXIS_DMI_MATCH("NC2510", "HP Compaq 2510", y_inverted), + AXIS_DMI_MATCH("NC8510", "HP Compaq 8510", xy_swap_inverted), + AXIS_DMI_MATCH("HP2133", "HP 2133", xy_rotated_left), + { NULL, } +/* Laptop models without axis info (yet): + * "NC651xx" "HP Compaq 651" + * "NC671xx" "HP Compaq 671" + * "NC6910" "HP Compaq 6910" + * HP Compaq 8710x Notebook PC / Mobile Workstation + * "NC2400" "HP Compaq nc2400" + * "NX74x0" "HP Compaq nx74" + * "NX6325" "HP Compaq nx6325" + * "NC4400" "HP Compaq nc4400" + */ +}; + +static int lis3lv02d_add(struct acpi_device *device) +{ + u8 val; + + if (!device) + return -EINVAL; + + adev.device = device; + strcpy(acpi_device_name(device), DRIVER_NAME); + strcpy(acpi_device_class(device), ACPI_MDPS_CLASS); + device->driver_data = &adev; + + lis3lv02d_acpi_read(device->handle, WHO_AM_I, &val); + if ((val != LIS3LV02DL_ID) && (val != LIS302DL_ID)) { + printk(KERN_ERR DRIVER_NAME + ": Accelerometer chip not LIS3LV02D{L,Q}\n"); + } + + /* If possible use a "standard" axes order */ + if (dmi_check_system(lis3lv02d_dmi_ids) == 0) { + printk(KERN_INFO DRIVER_NAME ": laptop model unknown, " + "using default axes configuration\n"); + adev.ac = lis3lv02d_axis_normal; + } + + return lis3lv02d_init_device(&adev); +} + +static int lis3lv02d_remove(struct acpi_device *device, int type) +{ + if (!device) + return -EINVAL; + + lis3lv02d_joystick_disable(); + lis3lv02d_poweroff(device->handle); + + return lis3lv02d_remove_fs(); +} + + +/* Sysfs stuff */ +static ssize_t lis3lv02d_position_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + int x, y, z; + + lis3lv02d_increase_use(&adev); + lis3lv02d_get_xyz(adev.device->handle, &x, &y, &z); + lis3lv02d_decrease_use(&adev); + return sprintf(buf, "(%d,%d,%d)\n", x, y, z); +} + +static ssize_t lis3lv02d_calibrate_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "(%d,%d,%d)\n", adev.xcalib, adev.ycalib, adev.zcalib); +} + +static ssize_t lis3lv02d_calibrate_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + lis3lv02d_increase_use(&adev); + lis3lv02d_calibrate_joystick(); + lis3lv02d_decrease_use(&adev); + return count; +} + +/* conversion btw sampling rate and the register values */ +static int lis3lv02dl_df_val[4] = {40, 160, 640, 2560}; +static ssize_t lis3lv02d_rate_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + u8 ctrl; + int val; + + lis3lv02d_increase_use(&adev); + lis3lv02d_acpi_read(adev.device->handle, CTRL_REG1, &ctrl); + lis3lv02d_decrease_use(&adev); + val = (ctrl & (CTRL1_DF0 | CTRL1_DF1)) >> 4; + return sprintf(buf, "%d\n", lis3lv02dl_df_val[val]); +} + +static DEVICE_ATTR(position, S_IRUGO, lis3lv02d_position_show, NULL); +static DEVICE_ATTR(calibrate, S_IRUGO|S_IWUSR, lis3lv02d_calibrate_show, + lis3lv02d_calibrate_store); +static DEVICE_ATTR(rate, S_IRUGO, lis3lv02d_rate_show, NULL); + +static struct attribute *lis3lv02d_attributes[] = { + &dev_attr_position.attr, + &dev_attr_calibrate.attr, + &dev_attr_rate.attr, + NULL +}; + +static struct attribute_group lis3lv02d_attribute_group = { + .attrs = lis3lv02d_attributes +}; + +static int lis3lv02d_add_fs(struct acpi_device *device) +{ + adev.pdev = platform_device_register_simple(DRIVER_NAME, -1, NULL, 0); + if (IS_ERR(adev.pdev)) + return PTR_ERR(adev.pdev); + + return sysfs_create_group(&adev.pdev->dev.kobj, &lis3lv02d_attribute_group); +} + +static int lis3lv02d_remove_fs(void) +{ + sysfs_remove_group(&adev.pdev->dev.kobj, &lis3lv02d_attribute_group); + platform_device_unregister(adev.pdev); + return 0; +} + +/* For the HP MDPS aka 3D Driveguard */ +static struct acpi_driver lis3lv02d_driver = { + .name = DRIVER_NAME, + .class = ACPI_MDPS_CLASS, + .ids = lis3lv02d_device_ids, + .ops = { + .add = lis3lv02d_add, + .remove = lis3lv02d_remove, + .suspend = lis3lv02d_suspend, + .resume = lis3lv02d_resume, + } +}; + +static int __init lis3lv02d_init_module(void) +{ + int ret; + + if (acpi_disabled) + return -ENODEV; + + ret = acpi_bus_register_driver(&lis3lv02d_driver); + if (ret < 0) + return ret; + + printk(KERN_INFO DRIVER_NAME " driver loaded.\n"); + + return 0; +} + +static void __exit lis3lv02d_exit_module(void) +{ + acpi_bus_unregister_driver(&lis3lv02d_driver); +} + +MODULE_DESCRIPTION("ST LIS3LV02Dx three-axis digital accelerometer driver"); +MODULE_AUTHOR("Yan Burman and Eric Piel"); +MODULE_LICENSE("GPL"); + +module_init(lis3lv02d_init_module); +module_exit(lis3lv02d_exit_module); diff --git a/drivers/hwmon/lis3lv02d.h b/drivers/hwmon/lis3lv02d.h new file mode 100644 index 00000000000..330cfc60e94 --- /dev/null +++ b/drivers/hwmon/lis3lv02d.h @@ -0,0 +1,149 @@ +/* + * lis3lv02d.h - ST LIS3LV02DL accelerometer driver + * + * Copyright (C) 2007-2008 Yan Burman + * Copyright (C) 2008 Eric Piel + * + * 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 Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * 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 + */ + +/* + * The actual chip is STMicroelectronics LIS3LV02DL or LIS3LV02DQ that seems to + * be connected via SPI. There exists also several similar chips (such as LIS302DL or + * LIS3L02DQ) but not in the HP laptops and they have slightly different registers. + * They can also be connected via I²C. + */ + +#define LIS3LV02DL_ID 0x3A /* Also the LIS3LV02DQ */ +#define LIS302DL_ID 0x3B /* Also the LIS202DL! */ + +enum lis3lv02d_reg { + WHO_AM_I = 0x0F, + OFFSET_X = 0x16, + OFFSET_Y = 0x17, + OFFSET_Z = 0x18, + GAIN_X = 0x19, + GAIN_Y = 0x1A, + GAIN_Z = 0x1B, + CTRL_REG1 = 0x20, + CTRL_REG2 = 0x21, + CTRL_REG3 = 0x22, + HP_FILTER_RESET = 0x23, + STATUS_REG = 0x27, + OUTX_L = 0x28, + OUTX_H = 0x29, + OUTY_L = 0x2A, + OUTY_H = 0x2B, + OUTZ_L = 0x2C, + OUTZ_H = 0x2D, + FF_WU_CFG = 0x30, + FF_WU_SRC = 0x31, + FF_WU_ACK = 0x32, + FF_WU_THS_L = 0x34, + FF_WU_THS_H = 0x35, + FF_WU_DURATION = 0x36, + DD_CFG = 0x38, + DD_SRC = 0x39, + DD_ACK = 0x3A, + DD_THSI_L = 0x3C, + DD_THSI_H = 0x3D, + DD_THSE_L = 0x3E, + DD_THSE_H = 0x3F, +}; + +enum lis3lv02d_ctrl1 { + CTRL1_Xen = 0x01, + CTRL1_Yen = 0x02, + CTRL1_Zen = 0x04, + CTRL1_ST = 0x08, + CTRL1_DF0 = 0x10, + CTRL1_DF1 = 0x20, + CTRL1_PD0 = 0x40, + CTRL1_PD1 = 0x80, +}; +enum lis3lv02d_ctrl2 { + CTRL2_DAS = 0x01, + CTRL2_SIM = 0x02, + CTRL2_DRDY = 0x04, + CTRL2_IEN = 0x08, + CTRL2_BOOT = 0x10, + CTRL2_BLE = 0x20, + CTRL2_BDU = 0x40, /* Block Data Update */ + CTRL2_FS = 0x80, /* Full Scale selection */ +}; + + +enum lis3lv02d_ctrl3 { + CTRL3_CFS0 = 0x01, + CTRL3_CFS1 = 0x02, + CTRL3_FDS = 0x10, + CTRL3_HPFF = 0x20, + CTRL3_HPDD = 0x40, + CTRL3_ECK = 0x80, +}; + +enum lis3lv02d_status_reg { + STATUS_XDA = 0x01, + STATUS_YDA = 0x02, + STATUS_ZDA = 0x04, + STATUS_XYZDA = 0x08, + STATUS_XOR = 0x10, + STATUS_YOR = 0x20, + STATUS_ZOR = 0x40, + STATUS_XYZOR = 0x80, +}; + +enum lis3lv02d_ff_wu_cfg { + FF_WU_CFG_XLIE = 0x01, + FF_WU_CFG_XHIE = 0x02, + FF_WU_CFG_YLIE = 0x04, + FF_WU_CFG_YHIE = 0x08, + FF_WU_CFG_ZLIE = 0x10, + FF_WU_CFG_ZHIE = 0x20, + FF_WU_CFG_LIR = 0x40, + FF_WU_CFG_AOI = 0x80, +}; + +enum lis3lv02d_ff_wu_src { + FF_WU_SRC_XL = 0x01, + FF_WU_SRC_XH = 0x02, + FF_WU_SRC_YL = 0x04, + FF_WU_SRC_YH = 0x08, + FF_WU_SRC_ZL = 0x10, + FF_WU_SRC_ZH = 0x20, + FF_WU_SRC_IA = 0x40, +}; + +enum lis3lv02d_dd_cfg { + DD_CFG_XLIE = 0x01, + DD_CFG_XHIE = 0x02, + DD_CFG_YLIE = 0x04, + DD_CFG_YHIE = 0x08, + DD_CFG_ZLIE = 0x10, + DD_CFG_ZHIE = 0x20, + DD_CFG_LIR = 0x40, + DD_CFG_IEND = 0x80, +}; + +enum lis3lv02d_dd_src { + DD_SRC_XL = 0x01, + DD_SRC_XH = 0x02, + DD_SRC_YL = 0x04, + DD_SRC_YH = 0x08, + DD_SRC_ZL = 0x10, + DD_SRC_ZH = 0x20, + DD_SRC_IA = 0x40, +}; + diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c index 3ff0285396f..cfc1ee90f5a 100644 --- a/drivers/hwmon/lm85.c +++ b/drivers/hwmon/lm85.c @@ -39,7 +39,8 @@ static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; /* Insmod parameters */ -I2C_CLIENT_INSMOD_6(lm85b, lm85c, adm1027, adt7463, emc6d100, emc6d102); +I2C_CLIENT_INSMOD_7(lm85b, lm85c, adm1027, adt7463, adt7468, emc6d100, + emc6d102); /* The LM85 registers */ @@ -59,6 +60,12 @@ I2C_CLIENT_INSMOD_6(lm85b, lm85c, adm1027, adt7463, emc6d100, emc6d102); #define LM85_REG_COMPANY 0x3e #define LM85_REG_VERSTEP 0x3f + +#define ADT7468_REG_CFG5 0x7c +#define ADT7468_OFF64 0x01 +#define IS_ADT7468_OFF64(data) \ + ((data)->type == adt7468 && !((data)->cfg5 & ADT7468_OFF64)) + /* These are the recognized values for the above regs */ #define LM85_COMPANY_NATIONAL 0x01 #define LM85_COMPANY_ANALOG_DEV 0x41 @@ -70,6 +77,8 @@ I2C_CLIENT_INSMOD_6(lm85b, lm85c, adm1027, adt7463, emc6d100, emc6d102); #define LM85_VERSTEP_ADM1027 0x60 #define LM85_VERSTEP_ADT7463 0x62 #define LM85_VERSTEP_ADT7463C 0x6A +#define LM85_VERSTEP_ADT7468_1 0x71 +#define LM85_VERSTEP_ADT7468_2 0x72 #define LM85_VERSTEP_EMC6D100_A0 0x60 #define LM85_VERSTEP_EMC6D100_A1 0x61 #define LM85_VERSTEP_EMC6D102 0x65 @@ -306,6 +315,7 @@ struct lm85_data { u8 vid; /* Register value */ u8 vrm; /* VRM version */ u32 alarms; /* Register encoding, combined */ + u8 cfg5; /* Config Register 5 on ADT7468 */ struct lm85_autofan autofan[3]; struct lm85_zone zone[3]; }; @@ -685,6 +695,9 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr, struct lm85_data *data = i2c_get_clientdata(client); long val = simple_strtol(buf, NULL, 10); + if (IS_ADT7468_OFF64(data)) + val += 64; + mutex_lock(&data->update_lock); data->temp_min[nr] = TEMP_TO_REG(val); lm85_write_value(client, LM85_REG_TEMP_MIN(nr), data->temp_min[nr]); @@ -708,6 +721,9 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, struct lm85_data *data = i2c_get_clientdata(client); long val = simple_strtol(buf, NULL, 10); + if (IS_ADT7468_OFF64(data)) + val += 64; + mutex_lock(&data->update_lock); data->temp_max[nr] = TEMP_TO_REG(val); lm85_write_value(client, LM85_REG_TEMP_MAX(nr), data->temp_max[nr]); @@ -1163,6 +1179,10 @@ static int lm85_detect(struct i2c_client *client, int kind, case LM85_VERSTEP_ADT7463C: kind = adt7463; break; + case LM85_VERSTEP_ADT7468_1: + case LM85_VERSTEP_ADT7468_2: + kind = adt7468; + break; } } else if (company == LM85_COMPANY_SMSC) { switch (verstep) { @@ -1195,6 +1215,9 @@ static int lm85_detect(struct i2c_client *client, int kind, case adt7463: type_name = "adt7463"; break; + case adt7468: + type_name = "adt7468"; + break; case emc6d100: type_name = "emc6d100"; break; @@ -1246,10 +1269,11 @@ static int lm85_probe(struct i2c_client *client, if (err) goto err_kfree; - /* The ADT7463 has an optional VRM 10 mode where pin 21 is used + /* The ADT7463/68 have an optional VRM 10 mode where pin 21 is used as a sixth digital VID input rather than an analog input. */ data->vid = lm85_read_value(client, LM85_REG_VID); - if (!(data->type == adt7463 && (data->vid & 0x80))) + if (!((data->type == adt7463 || data->type == adt7468) && + (data->vid & 0x80))) if ((err = sysfs_create_group(&client->dev.kobj, &lm85_group_in4))) goto err_remove_files; @@ -1357,7 +1381,8 @@ static struct lm85_data *lm85_update_device(struct device *dev) * There are 2 additional resolution bits per channel and we * have room for 4, so we shift them to the left. */ - if (data->type == adm1027 || data->type == adt7463) { + if (data->type == adm1027 || data->type == adt7463 || + data->type == adt7468) { int ext1 = lm85_read_value(client, ADM1027_REG_EXTEND_ADC1); int ext2 = lm85_read_value(client, @@ -1382,16 +1407,23 @@ static struct lm85_data *lm85_update_device(struct device *dev) lm85_read_value(client, LM85_REG_FAN(i)); } - if (!(data->type == adt7463 && (data->vid & 0x80))) { + if (!((data->type == adt7463 || data->type == adt7468) && + (data->vid & 0x80))) { data->in[4] = lm85_read_value(client, LM85_REG_IN(4)); } + if (data->type == adt7468) + data->cfg5 = lm85_read_value(client, ADT7468_REG_CFG5); + for (i = 0; i <= 2; ++i) { data->temp[i] = lm85_read_value(client, LM85_REG_TEMP(i)); data->pwm[i] = lm85_read_value(client, LM85_REG_PWM(i)); + + if (IS_ADT7468_OFF64(data)) + data->temp[i] -= 64; } data->alarms = lm85_read_value(client, LM85_REG_ALARM1); @@ -1446,7 +1478,8 @@ static struct lm85_data *lm85_update_device(struct device *dev) lm85_read_value(client, LM85_REG_FAN_MIN(i)); } - if (!(data->type == adt7463 && (data->vid & 0x80))) { + if (!((data->type == adt7463 || data->type == adt7468) && + (data->vid & 0x80))) { data->in_min[4] = lm85_read_value(client, LM85_REG_IN_MIN(4)); data->in_max[4] = lm85_read_value(client, @@ -1481,6 +1514,13 @@ static struct lm85_data *lm85_update_device(struct device *dev) lm85_read_value(client, LM85_REG_AFAN_LIMIT(i)); data->zone[i].critical = lm85_read_value(client, LM85_REG_AFAN_CRITICAL(i)); + + if (IS_ADT7468_OFF64(data)) { + data->temp_min[i] -= 64; + data->temp_max[i] -= 64; + data->zone[i].limit -= 64; + data->zone[i].critical -= 64; + } } i = lm85_read_value(client, LM85_REG_AFAN_SPIKE1); diff --git a/drivers/idle/Kconfig b/drivers/idle/Kconfig index 108264de0ac..f15e90a453d 100644 --- a/drivers/idle/Kconfig +++ b/drivers/idle/Kconfig @@ -1,5 +1,6 @@ menu "Memory power savings" +depends on X86_64 config I7300_IDLE_IOAT_CHANNEL bool @@ -7,7 +8,7 @@ config I7300_IDLE_IOAT_CHANNEL config I7300_IDLE tristate "Intel chipset idle memory power saving driver" select I7300_IDLE_IOAT_CHANNEL - depends on X86_64 && EXPERIMENTAL + depends on EXPERIMENTAL help Enable memory power savings when idle with certain Intel server chipsets. The chipset must have I/O AT support, such as the diff --git a/drivers/ieee1394/dv1394.c b/drivers/ieee1394/dv1394.c index 965cfdb84eb..c19f2326715 100644 --- a/drivers/ieee1394/dv1394.c +++ b/drivers/ieee1394/dv1394.c @@ -1270,8 +1270,14 @@ static int dv1394_mmap(struct file *file, struct vm_area_struct *vma) struct video_card *video = file_to_video_card(file); int retval = -EINVAL; - /* serialize mmap */ - mutex_lock(&video->mtx); + /* + * We cannot use the blocking variant mutex_lock here because .mmap + * is called with mmap_sem held, while .ioctl, .read, .write acquire + * video->mtx and subsequently call copy_to/from_user which will + * grab mmap_sem in case of a page fault. + */ + if (!mutex_trylock(&video->mtx)) + return -EAGAIN; if ( ! video_card_initialized(video) ) { retval = do_dv1394_init_default(video); diff --git a/drivers/ieee1394/hosts.c b/drivers/ieee1394/hosts.c index 8dd09d85041..237d0c9d69c 100644 --- a/drivers/ieee1394/hosts.c +++ b/drivers/ieee1394/hosts.c @@ -155,11 +155,11 @@ struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra, memcpy(&h->device, &nodemgr_dev_template_host, sizeof(h->device)); h->device.parent = dev; set_dev_node(&h->device, dev_to_node(dev)); - snprintf(h->device.bus_id, BUS_ID_SIZE, "fw-host%d", h->id); + dev_set_name(&h->device, "fw-host%d", h->id); h->host_dev.parent = &h->device; h->host_dev.class = &hpsb_host_class; - snprintf(h->host_dev.bus_id, BUS_ID_SIZE, "fw-host%d", h->id); + dev_set_name(&h->host_dev, "fw-host%d", h->id); if (device_register(&h->device)) goto fail; diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c index 2376b729e87..9e39f73282e 100644 --- a/drivers/ieee1394/nodemgr.c +++ b/drivers/ieee1394/nodemgr.c @@ -826,13 +826,11 @@ static struct node_entry *nodemgr_create_node(octlet_t guid, memcpy(&ne->device, &nodemgr_dev_template_ne, sizeof(ne->device)); ne->device.parent = &host->device; - snprintf(ne->device.bus_id, BUS_ID_SIZE, "%016Lx", - (unsigned long long)(ne->guid)); + dev_set_name(&ne->device, "%016Lx", (unsigned long long)(ne->guid)); ne->node_dev.parent = &ne->device; ne->node_dev.class = &nodemgr_ne_class; - snprintf(ne->node_dev.bus_id, BUS_ID_SIZE, "%016Lx", - (unsigned long long)(ne->guid)); + dev_set_name(&ne->node_dev, "%016Lx", (unsigned long long)(ne->guid)); if (device_register(&ne->device)) goto fail_devreg; @@ -932,13 +930,11 @@ static void nodemgr_register_device(struct node_entry *ne, ud->device.parent = parent; - snprintf(ud->device.bus_id, BUS_ID_SIZE, "%s-%u", - ne->device.bus_id, ud->id); + dev_set_name(&ud->device, "%s-%u", dev_name(&ne->device), ud->id); ud->unit_dev.parent = &ud->device; ud->unit_dev.class = &nodemgr_ud_class; - snprintf(ud->unit_dev.bus_id, BUS_ID_SIZE, "%s-%u", - ne->device.bus_id, ud->id); + dev_set_name(&ud->unit_dev, "%s-%u", dev_name(&ne->device), ud->id); if (device_register(&ud->device)) goto fail_devreg; @@ -953,7 +949,7 @@ static void nodemgr_register_device(struct node_entry *ne, fail_classdevreg: device_unregister(&ud->device); fail_devreg: - HPSB_ERR("Failed to create unit %s", ud->device.bus_id); + HPSB_ERR("Failed to create unit %s", dev_name(&ud->device)); } diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c index 9f19ac49210..bf7e761c12b 100644 --- a/drivers/ieee1394/raw1394.c +++ b/drivers/ieee1394/raw1394.c @@ -2268,7 +2268,8 @@ static ssize_t raw1394_write(struct file *file, const char __user * buffer, return -EFAULT; } - mutex_lock(&fi->state_mutex); + if (!mutex_trylock(&fi->state_mutex)) + return -EAGAIN; switch (fi->state) { case opened: @@ -2548,7 +2549,8 @@ static int raw1394_mmap(struct file *file, struct vm_area_struct *vma) struct file_info *fi = file->private_data; int ret; - mutex_lock(&fi->state_mutex); + if (!mutex_trylock(&fi->state_mutex)) + return -EAGAIN; if (fi->iso_state == RAW1394_ISO_INACTIVE) ret = -EINVAL; @@ -2669,7 +2671,8 @@ static long raw1394_ioctl(struct file *file, unsigned int cmd, break; } - mutex_lock(&fi->state_mutex); + if (!mutex_trylock(&fi->state_mutex)) + return -EAGAIN; switch (fi->iso_state) { case RAW1394_ISO_INACTIVE: diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c index ecff9804358..160ef482712 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_provider.c +++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c @@ -1102,9 +1102,7 @@ static u64 fw_vers_string_to_u64(struct iwch_dev *iwch_dev) char *cp, *next; unsigned fw_maj, fw_min, fw_mic; - rtnl_lock(); lldev->ethtool_ops->get_drvinfo(lldev, &info); - rtnl_unlock(); next = info.fw_version + 1; cp = strsep(&next, "."); @@ -1192,9 +1190,7 @@ static ssize_t show_fw_ver(struct device *dev, struct device_attribute *attr, ch struct net_device *lldev = iwch_dev->rdev.t3cdev_p->lldev; PDBG("%s dev 0x%p\n", __func__, dev); - rtnl_lock(); lldev->ethtool_ops->get_drvinfo(lldev, &info); - rtnl_unlock(); return sprintf(buf, "%s\n", info.fw_version); } @@ -1207,9 +1203,7 @@ static ssize_t show_hca(struct device *dev, struct device_attribute *attr, struct net_device *lldev = iwch_dev->rdev.t3cdev_p->lldev; PDBG("%s dev 0x%p\n", __func__, dev); - rtnl_lock(); lldev->ethtool_ops->get_drvinfo(lldev, &info); - rtnl_unlock(); return sprintf(buf, "%s\n", info.driver); } diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c index 3e4585c2318..19661b2f040 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_qp.c +++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c @@ -745,7 +745,6 @@ int iwch_post_zb_read(struct iwch_qp *qhp) wqe->read.rdmaop = T3_READ_REQ; wqe->read.reserved[0] = 0; wqe->read.reserved[1] = 0; - wqe->read.reserved[2] = 0; wqe->read.rem_stag = cpu_to_be32(1); wqe->read.rem_to = cpu_to_be64(1); wqe->read.local_stag = cpu_to_be32(1); diff --git a/drivers/infiniband/hw/ehca/ehca_irq.c b/drivers/infiniband/hw/ehca/ehca_irq.c index cb55be04442..757035ea246 100644 --- a/drivers/infiniband/hw/ehca/ehca_irq.c +++ b/drivers/infiniband/hw/ehca/ehca_irq.c @@ -359,36 +359,48 @@ static void notify_port_conf_change(struct ehca_shca *shca, int port_num) *old_attr = new_attr; } +/* replay modify_qp for sqps -- return 0 if all is well, 1 if AQP1 destroyed */ +static int replay_modify_qp(struct ehca_sport *sport) +{ + int aqp1_destroyed; + unsigned long flags; + + spin_lock_irqsave(&sport->mod_sqp_lock, flags); + + aqp1_destroyed = !sport->ibqp_sqp[IB_QPT_GSI]; + + if (sport->ibqp_sqp[IB_QPT_SMI]) + ehca_recover_sqp(sport->ibqp_sqp[IB_QPT_SMI]); + if (!aqp1_destroyed) + ehca_recover_sqp(sport->ibqp_sqp[IB_QPT_GSI]); + + spin_unlock_irqrestore(&sport->mod_sqp_lock, flags); + + return aqp1_destroyed; +} + static void parse_ec(struct ehca_shca *shca, u64 eqe) { u8 ec = EHCA_BMASK_GET(NEQE_EVENT_CODE, eqe); u8 port = EHCA_BMASK_GET(NEQE_PORT_NUMBER, eqe); u8 spec_event; struct ehca_sport *sport = &shca->sport[port - 1]; - unsigned long flags; switch (ec) { case 0x30: /* port availability change */ if (EHCA_BMASK_GET(NEQE_PORT_AVAILABILITY, eqe)) { - int suppress_event; - /* replay modify_qp for sqps */ - spin_lock_irqsave(&sport->mod_sqp_lock, flags); - suppress_event = !sport->ibqp_sqp[IB_QPT_GSI]; - if (sport->ibqp_sqp[IB_QPT_SMI]) - ehca_recover_sqp(sport->ibqp_sqp[IB_QPT_SMI]); - if (!suppress_event) - ehca_recover_sqp(sport->ibqp_sqp[IB_QPT_GSI]); - spin_unlock_irqrestore(&sport->mod_sqp_lock, flags); - - /* AQP1 was destroyed, ignore this event */ - if (suppress_event) - break; + /* only replay modify_qp calls in autodetect mode; + * if AQP1 was destroyed, the port is already down + * again and we can drop the event. + */ + if (ehca_nr_ports < 0) + if (replay_modify_qp(sport)) + break; sport->port_state = IB_PORT_ACTIVE; dispatch_port_event(shca, port, IB_EVENT_PORT_ACTIVE, "is active"); - ehca_query_sma_attr(shca, port, - &sport->saved_attr); + ehca_query_sma_attr(shca, port, &sport->saved_attr); } else { sport->port_state = IB_PORT_DOWN; dispatch_port_event(shca, port, IB_EVENT_PORT_ERR, diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c index 4d54b9f6456..9e05ee2db39 100644 --- a/drivers/infiniband/hw/ehca/ehca_qp.c +++ b/drivers/infiniband/hw/ehca/ehca_qp.c @@ -860,6 +860,11 @@ static struct ehca_qp *internal_create_qp( if (qp_type == IB_QPT_GSI) { h_ret = ehca_define_sqp(shca, my_qp, init_attr); if (h_ret != H_SUCCESS) { + kfree(my_qp->mod_qp_parm); + my_qp->mod_qp_parm = NULL; + /* the QP pointer is no longer valid */ + shca->sport[init_attr->port_num - 1].ibqp_sqp[qp_type] = + NULL; ret = ehca2ib_return_code(h_ret); goto create_qp_exit6; } diff --git a/drivers/infiniband/hw/ipath/ipath_ruc.c b/drivers/infiniband/hw/ipath/ipath_ruc.c index fc0f6d9e603..2296832f94d 100644 --- a/drivers/infiniband/hw/ipath/ipath_ruc.c +++ b/drivers/infiniband/hw/ipath/ipath_ruc.c @@ -156,7 +156,7 @@ bail: /** * ipath_get_rwqe - copy the next RWQE into the QP's RWQE * @qp: the QP - * @wr_id_only: update wr_id only, not SGEs + * @wr_id_only: update qp->r_wr_id only, not qp->r_sge * * Return 0 if no RWQE is available, otherwise return 1. * @@ -173,8 +173,6 @@ int ipath_get_rwqe(struct ipath_qp *qp, int wr_id_only) u32 tail; int ret; - qp->r_sge.sg_list = qp->r_sg_list; - if (qp->ibqp.srq) { srq = to_isrq(qp->ibqp.srq); handler = srq->ibsrq.event_handler; @@ -206,8 +204,10 @@ int ipath_get_rwqe(struct ipath_qp *qp, int wr_id_only) wqe = get_rwqe_ptr(rq, tail); if (++tail >= rq->size) tail = 0; - } while (!wr_id_only && !ipath_init_sge(qp, wqe, &qp->r_len, - &qp->r_sge)); + if (wr_id_only) + break; + qp->r_sge.sg_list = qp->r_sg_list; + } while (!ipath_init_sge(qp, wqe, &qp->r_len, &qp->r_sge)); qp->r_wr_id = wqe->wr_id; wq->tail = tail; diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c index 87f5c5a87b9..8e4d26d56a9 100644 --- a/drivers/infiniband/hw/mlx4/mr.c +++ b/drivers/infiniband/hw/mlx4/mr.c @@ -205,6 +205,7 @@ struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd, goto err_mr; mr->ibmr.rkey = mr->ibmr.lkey = mr->mmr.key; + mr->umem = NULL; return &mr->ibmr; diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c index a2b04d62b1a..aa1dc41f04c 100644 --- a/drivers/infiniband/hw/nes/nes.c +++ b/drivers/infiniband/hw/nes/nes.c @@ -95,6 +95,10 @@ unsigned int wqm_quanta = 0x10000; module_param(wqm_quanta, int, 0644); MODULE_PARM_DESC(wqm_quanta, "WQM quanta"); +static unsigned int limit_maxrdreqsz; +module_param(limit_maxrdreqsz, bool, 0644); +MODULE_PARM_DESC(limit_maxrdreqsz, "Limit max read request size to 256 Bytes"); + LIST_HEAD(nes_adapter_list); static LIST_HEAD(nes_dev_list); @@ -588,6 +592,18 @@ static int __devinit nes_probe(struct pci_dev *pcidev, const struct pci_device_i nesdev->nesadapter->port_count; } + if ((limit_maxrdreqsz || + ((nesdev->nesadapter->phy_type[0] == NES_PHY_TYPE_GLADIUS) && + (hw_rev == NE020_REV1))) && + (pcie_get_readrq(pcidev) > 256)) { + if (pcie_set_readrq(pcidev, 256)) + printk(KERN_ERR PFX "Unable to set max read request" + " to 256 bytes\n"); + else + nes_debug(NES_DBG_INIT, "Max read request size set" + " to 256 bytes\n"); + } + tasklet_init(&nesdev->dpc_tasklet, nes_dpc, (unsigned long)nesdev); /* bring up the Control QP */ diff --git a/drivers/infiniband/hw/nes/nes_hw.h b/drivers/infiniband/hw/nes/nes_hw.h index 610b9d85959..bc0b4de0445 100644 --- a/drivers/infiniband/hw/nes/nes_hw.h +++ b/drivers/infiniband/hw/nes/nes_hw.h @@ -40,6 +40,7 @@ #define NES_PHY_TYPE_ARGUS 4 #define NES_PHY_TYPE_PUMA_1G 5 #define NES_PHY_TYPE_PUMA_10G 6 +#define NES_PHY_TYPE_GLADIUS 7 #define NES_MULTICAST_PF_MAX 8 diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index 932e56fcf77..d36c9a0bf1b 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -220,14 +220,14 @@ static int nes_bind_mw(struct ib_qp *ibqp, struct ib_mw *ibmw, if (nesqp->ibqp_state > IB_QPS_RTS) return -EINVAL; - spin_lock_irqsave(&nesqp->lock, flags); + spin_lock_irqsave(&nesqp->lock, flags); head = nesqp->hwqp.sq_head; qsize = nesqp->hwqp.sq_tail; /* Check for SQ overflow */ if (((head + (2 * qsize) - nesqp->hwqp.sq_tail) % qsize) == (qsize - 1)) { - spin_unlock_irqrestore(&nesqp->lock, flags); + spin_unlock_irqrestore(&nesqp->lock, flags); return -EINVAL; } @@ -269,7 +269,7 @@ static int nes_bind_mw(struct ib_qp *ibqp, struct ib_mw *ibmw, nes_write32(nesdev->regs+NES_WQE_ALLOC, (1 << 24) | 0x00800000 | nesqp->hwqp.qp_id); - spin_unlock_irqrestore(&nesqp->lock, flags); + spin_unlock_irqrestore(&nesqp->lock, flags); return 0; } @@ -349,7 +349,7 @@ static struct ib_fmr *nes_alloc_fmr(struct ib_pd *ibpd, if (nesfmr->nesmr.pbls_used > nesadapter->free_4kpbl) { spin_unlock_irqrestore(&nesadapter->pbl_lock, flags); ret = -ENOMEM; - goto failed_vpbl_alloc; + goto failed_vpbl_avail; } else { nesadapter->free_4kpbl -= nesfmr->nesmr.pbls_used; } @@ -357,7 +357,7 @@ static struct ib_fmr *nes_alloc_fmr(struct ib_pd *ibpd, if (nesfmr->nesmr.pbls_used > nesadapter->free_256pbl) { spin_unlock_irqrestore(&nesadapter->pbl_lock, flags); ret = -ENOMEM; - goto failed_vpbl_alloc; + goto failed_vpbl_avail; } else { nesadapter->free_256pbl -= nesfmr->nesmr.pbls_used; } @@ -391,14 +391,14 @@ static struct ib_fmr *nes_alloc_fmr(struct ib_pd *ibpd, goto failed_vpbl_alloc; } - nesfmr->root_vpbl.leaf_vpbl = kzalloc(sizeof(*nesfmr->root_vpbl.leaf_vpbl)*1024, GFP_KERNEL); + nesfmr->leaf_pbl_cnt = nesfmr->nesmr.pbls_used-1; + nesfmr->root_vpbl.leaf_vpbl = kzalloc(sizeof(*nesfmr->root_vpbl.leaf_vpbl)*1024, GFP_ATOMIC); if (!nesfmr->root_vpbl.leaf_vpbl) { spin_unlock_irqrestore(&nesadapter->pbl_lock, flags); ret = -ENOMEM; goto failed_leaf_vpbl_alloc; } - nesfmr->leaf_pbl_cnt = nesfmr->nesmr.pbls_used-1; nes_debug(NES_DBG_MR, "two level pbl, root_vpbl.pbl_vbase=%p" " leaf_pbl_cnt=%d root_vpbl.leaf_vpbl=%p\n", nesfmr->root_vpbl.pbl_vbase, nesfmr->leaf_pbl_cnt, nesfmr->root_vpbl.leaf_vpbl); @@ -519,6 +519,16 @@ static struct ib_fmr *nes_alloc_fmr(struct ib_pd *ibpd, nesfmr->root_vpbl.pbl_pbase); failed_vpbl_alloc: + if (nesfmr->nesmr.pbls_used != 0) { + spin_lock_irqsave(&nesadapter->pbl_lock, flags); + if (nesfmr->nesmr.pbl_4k) + nesadapter->free_4kpbl += nesfmr->nesmr.pbls_used; + else + nesadapter->free_256pbl += nesfmr->nesmr.pbls_used; + spin_unlock_irqrestore(&nesadapter->pbl_lock, flags); + } + +failed_vpbl_avail: kfree(nesfmr); failed_fmr_alloc: @@ -534,18 +544,14 @@ static struct ib_fmr *nes_alloc_fmr(struct ib_pd *ibpd, */ static int nes_dealloc_fmr(struct ib_fmr *ibfmr) { + unsigned long flags; struct nes_mr *nesmr = to_nesmr_from_ibfmr(ibfmr); struct nes_fmr *nesfmr = to_nesfmr(nesmr); struct nes_vnic *nesvnic = to_nesvnic(ibfmr->device); struct nes_device *nesdev = nesvnic->nesdev; - struct nes_mr temp_nesmr = *nesmr; + struct nes_adapter *nesadapter = nesdev->nesadapter; int i = 0; - temp_nesmr.ibmw.device = ibfmr->device; - temp_nesmr.ibmw.pd = ibfmr->pd; - temp_nesmr.ibmw.rkey = ibfmr->rkey; - temp_nesmr.ibmw.uobject = NULL; - /* free the resources */ if (nesfmr->leaf_pbl_cnt == 0) { /* single PBL case */ @@ -561,8 +567,24 @@ static int nes_dealloc_fmr(struct ib_fmr *ibfmr) pci_free_consistent(nesdev->pcidev, 8192, nesfmr->root_vpbl.pbl_vbase, nesfmr->root_vpbl.pbl_pbase); } + nesmr->ibmw.device = ibfmr->device; + nesmr->ibmw.pd = ibfmr->pd; + nesmr->ibmw.rkey = ibfmr->rkey; + nesmr->ibmw.uobject = NULL; - return nes_dealloc_mw(&temp_nesmr.ibmw); + if (nesfmr->nesmr.pbls_used != 0) { + spin_lock_irqsave(&nesadapter->pbl_lock, flags); + if (nesfmr->nesmr.pbl_4k) { + nesadapter->free_4kpbl += nesfmr->nesmr.pbls_used; + WARN_ON(nesadapter->free_4kpbl > nesadapter->max_4kpbl); + } else { + nesadapter->free_256pbl += nesfmr->nesmr.pbls_used; + WARN_ON(nesadapter->free_256pbl > nesadapter->max_256pbl); + } + spin_unlock_irqrestore(&nesadapter->pbl_lock, flags); + } + + return nes_dealloc_mw(&nesmr->ibmw); } @@ -1595,7 +1617,7 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries, nes_ucontext->mcrqf = req.mcrqf; if (nes_ucontext->mcrqf) { if (nes_ucontext->mcrqf & 0x80000000) - nescq->hw_cq.cq_number = nesvnic->nic.qp_id + 12 + (nes_ucontext->mcrqf & 0xf) - 1; + nescq->hw_cq.cq_number = nesvnic->nic.qp_id + 28 + 2 * ((nes_ucontext->mcrqf & 0xf) - 1); else if (nes_ucontext->mcrqf & 0x40000000) nescq->hw_cq.cq_number = nes_ucontext->mcrqf & 0xffff; else @@ -3212,7 +3234,7 @@ static int nes_post_send(struct ib_qp *ibqp, struct ib_send_wr *ib_wr, if (nesqp->ibqp_state > IB_QPS_RTS) return -EINVAL; - spin_lock_irqsave(&nesqp->lock, flags); + spin_lock_irqsave(&nesqp->lock, flags); head = nesqp->hwqp.sq_head; @@ -3337,7 +3359,7 @@ static int nes_post_send(struct ib_qp *ibqp, struct ib_send_wr *ib_wr, (counter << 24) | 0x00800000 | nesqp->hwqp.qp_id); } - spin_unlock_irqrestore(&nesqp->lock, flags); + spin_unlock_irqrestore(&nesqp->lock, flags); if (err) *bad_wr = ib_wr; @@ -3368,7 +3390,7 @@ static int nes_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *ib_wr, if (nesqp->ibqp_state > IB_QPS_RTS) return -EINVAL; - spin_lock_irqsave(&nesqp->lock, flags); + spin_lock_irqsave(&nesqp->lock, flags); head = nesqp->hwqp.rq_head; @@ -3421,7 +3443,7 @@ static int nes_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *ib_wr, nes_write32(nesdev->regs+NES_WQE_ALLOC, (counter<<24) | nesqp->hwqp.qp_id); } - spin_unlock_irqrestore(&nesqp->lock, flags); + spin_unlock_irqrestore(&nesqp->lock, flags); if (err) *bad_wr = ib_wr; @@ -3453,7 +3475,7 @@ static int nes_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry) nes_debug(NES_DBG_CQ, "\n"); - spin_lock_irqsave(&nescq->lock, flags); + spin_lock_irqsave(&nescq->lock, flags); head = nescq->hw_cq.cq_head; cq_size = nescq->hw_cq.cq_size; @@ -3562,7 +3584,7 @@ static int nes_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry) nes_debug(NES_DBG_CQ, "Reporting %u completions for CQ%u.\n", cqe_count, nescq->hw_cq.cq_number); - spin_unlock_irqrestore(&nescq->lock, flags); + spin_unlock_irqrestore(&nescq->lock, flags); return cqe_count; } diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index fddded7900d..85257f6b957 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -106,12 +106,13 @@ int ipoib_open(struct net_device *dev) ipoib_dbg(priv, "bringing up interface\n"); - napi_enable(&priv->napi); set_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags); if (ipoib_pkey_dev_delay_open(dev)) return 0; + napi_enable(&priv->napi); + if (ipoib_ib_dev_open(dev)) { napi_disable(&priv->napi); return -EINVAL; @@ -546,6 +547,7 @@ static int path_rec_start(struct net_device *dev, if (path->query_id < 0) { ipoib_warn(priv, "ib_sa_path_rec_get failed: %d\n", path->query_id); path->query = NULL; + complete(&path->done); return path->query_id; } @@ -662,7 +664,7 @@ static void unicast_arp_send(struct sk_buff *skb, struct net_device *dev, skb_push(skb, sizeof *phdr); __skb_queue_tail(&path->queue, skb); - if (path_rec_start(dev, path)) { + if (!path->query && path_rec_start(dev, path)) { spin_unlock_irqrestore(&priv->lock, flags); path_free(dev, path); return; diff --git a/drivers/md/linear.c b/drivers/md/linear.c index 190147c79e7..3b90c5c924e 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -148,6 +148,8 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks) min_sectors = conf->array_sectors; sector_div(min_sectors, PAGE_SIZE/sizeof(struct dev_info *)); + if (min_sectors == 0) + min_sectors = 1; /* min_sectors is the minimum spacing that will fit the hash * table in one PAGE. This may be much smaller than needed. diff --git a/drivers/md/md.c b/drivers/md/md.c index 9abf6ed1653..1b1d32694f6 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -3884,7 +3884,6 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open) if (mode == 0) { mdk_rdev_t *rdev; struct list_head *tmp; - struct block_device *bdev; printk(KERN_INFO "md: %s stopped.\n", mdname(mddev)); @@ -3941,11 +3940,6 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open) mddev->degraded = 0; mddev->barriers_work = 0; mddev->safemode = 0; - bdev = bdget_disk(mddev->gendisk, 0); - if (bdev) { - blkdev_ioctl(bdev, 0, BLKRRPART, 0); - bdput(bdev); - } kobject_uevent(&disk_to_dev(mddev->gendisk)->kobj, KOBJ_CHANGE); } else if (mddev->pers) diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index da5129a24b1..970a96ef9b1 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -1137,7 +1137,7 @@ static int raid10_add_disk(mddev_t *mddev, mdk_rdev_t *rdev) if (!enough(conf)) return -EINVAL; - if (rdev->raid_disk) + if (rdev->raid_disk >= 0) first = last = rdev->raid_disk; if (rdev->saved_raid_disk >= 0 && diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 5689d1f1d44..8557bf12cfb 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -223,6 +223,8 @@ static void dvb_frontend_init(struct dvb_frontend *fe) if (fe->ops.init) fe->ops.init(fe); if (fe->ops.tuner_ops.init) { + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); fe->ops.tuner_ops.init(fe); if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0); diff --git a/drivers/media/dvb/dvb-usb/Kconfig b/drivers/media/dvb/dvb-usb/Kconfig index 3c13bcfa638..62b68c291d9 100644 --- a/drivers/media/dvb/dvb-usb/Kconfig +++ b/drivers/media/dvb/dvb-usb/Kconfig @@ -261,7 +261,7 @@ config DVB_USB_DW2102 Say Y here to support the DvbWorld DVB-S/S2 USB2.0 receivers and the TeVii S650. -config DVB_USB_CINERGY_T2 +config DVB_USB_CINERGY_T2 tristate "Terratec CinergyT2/qanu USB 2.0 DVB-T receiver" depends on DVB_USB help @@ -283,6 +283,7 @@ config DVB_USB_ANYSEE config DVB_USB_DTV5100 tristate "AME DTV-5100 USB2.0 DVB-T support" depends on DVB_USB + select DVB_ZL10353 if !DVB_FE_CUSTOMISE select MEDIA_TUNER_QT1010 if !DVB_FE_CUSTOMISE help Say Y here to support the AME DTV-5100 USB2.0 DVB-T receiver. diff --git a/drivers/media/dvb/dvb-usb/af9015.c b/drivers/media/dvb/dvb-usb/af9015.c index cb0829c038c..847d8fdd9ec 100644 --- a/drivers/media/dvb/dvb-usb/af9015.c +++ b/drivers/media/dvb/dvb-usb/af9015.c @@ -31,13 +31,13 @@ #include "mc44s80x.h" #endif -int dvb_usb_af9015_debug; +static int dvb_usb_af9015_debug; module_param_named(debug, dvb_usb_af9015_debug, int, 0644); MODULE_PARM_DESC(debug, "set debugging level" DVB_USB_DEBUG_STATUS); -int dvb_usb_af9015_remote; +static int dvb_usb_af9015_remote; module_param_named(remote, dvb_usb_af9015_remote, int, 0644); MODULE_PARM_DESC(remote, "select remote"); -int dvb_usb_af9015_dual_mode; +static int dvb_usb_af9015_dual_mode; module_param_named(dual_mode, dvb_usb_af9015_dual_mode, int, 0644); MODULE_PARM_DESC(dual_mode, "enable dual mode"); DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); @@ -46,7 +46,7 @@ static DEFINE_MUTEX(af9015_usb_mutex); static struct af9015_config af9015_config; static struct dvb_usb_device_properties af9015_properties[2]; -int af9015_properties_count = ARRAY_SIZE(af9015_properties); +static int af9015_properties_count = ARRAY_SIZE(af9015_properties); static struct af9013_config af9015_af9013_config[] = { { @@ -549,7 +549,7 @@ static int af9015_eeprom_dump(struct dvb_usb_device *d) return 0; } -int af9015_download_ir_table(struct dvb_usb_device *d) +static int af9015_download_ir_table(struct dvb_usb_device *d) { int i, packets = 0, ret; u16 addr = 0x9a56; /* ir-table start address */ @@ -999,7 +999,7 @@ static int af9015_rc_query(struct dvb_usb_device *d, u32 *event, int *state) } /* init 2nd I2C adapter */ -int af9015_i2c_init(struct dvb_usb_device *d) +static int af9015_i2c_init(struct dvb_usb_device *d) { int ret; struct af9015_state *state = d->priv; @@ -1419,7 +1419,7 @@ static int af9015_usb_probe(struct usb_interface *intf, return ret; } -void af9015_i2c_exit(struct dvb_usb_device *d) +static void af9015_i2c_exit(struct dvb_usb_device *d) { struct af9015_state *state = d->priv; deb_info("%s: \n", __func__); diff --git a/drivers/media/dvb/dvb-usb/af9015.h b/drivers/media/dvb/dvb-usb/af9015.h index 882e8a4b368..6c3c9729331 100644 --- a/drivers/media/dvb/dvb-usb/af9015.h +++ b/drivers/media/dvb/dvb-usb/af9015.h @@ -27,7 +27,6 @@ #define DVB_USB_LOG_PREFIX "af9015" #include "dvb-usb.h" -extern int dvb_usb_af9015_debug; #define deb_info(args...) dprintk(dvb_usb_af9015_debug, 0x01, args) #define deb_rc(args...) dprintk(dvb_usb_af9015_debug, 0x02, args) #define deb_xfer(args...) dprintk(dvb_usb_af9015_debug, 0x04, args) diff --git a/drivers/media/dvb/dvb-usb/anysee.c b/drivers/media/dvb/dvb-usb/anysee.c index c786359fba0..cd2edbcaa09 100644 --- a/drivers/media/dvb/dvb-usb/anysee.c +++ b/drivers/media/dvb/dvb-usb/anysee.c @@ -46,7 +46,7 @@ module_param_named(delsys, dvb_usb_anysee_delsys, int, 0644); MODULE_PARM_DESC(delsys, "select delivery mode (0=DVB-C, 1=DVB-T)"); DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); -static struct mutex anysee_usb_mutex; +static DEFINE_MUTEX(anysee_usb_mutex); static int anysee_ctrl_msg(struct dvb_usb_device *d, u8 *sbuf, u8 slen, u8 *rbuf, u8 rlen) @@ -456,8 +456,6 @@ static int anysee_probe(struct usb_interface *intf, struct usb_host_interface *alt; int ret; - mutex_init(&anysee_usb_mutex); - /* There is one interface with two alternate settings. Alternate setting 0 is for bulk transfer. Alternate setting 1 is for isochronous transfer. diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-urb.c b/drivers/media/dvb/dvb-usb/dvb-usb-urb.c index 5cef12a07f7..6fe71c6745e 100644 --- a/drivers/media/dvb/dvb-usb/dvb-usb-urb.c +++ b/drivers/media/dvb/dvb-usb/dvb-usb-urb.c @@ -13,14 +13,14 @@ int dvb_usb_generic_rw(struct dvb_usb_device *d, u8 *wbuf, u16 wlen, u8 *rbuf, { int actlen,ret = -ENOMEM; + if (!d || wbuf == NULL || wlen == 0) + return -EINVAL; + if (d->props.generic_bulk_ctrl_endpoint == 0) { err("endpoint for generic control not specified."); return -EINVAL; } - if (wbuf == NULL || wlen == 0) - return -EINVAL; - if ((ret = mutex_lock_interruptible(&d->usb_mutex))) return ret; diff --git a/drivers/media/dvb/frontends/af9013.c b/drivers/media/dvb/frontends/af9013.c index 21c1060cf10..692b68a9e73 100644 --- a/drivers/media/dvb/frontends/af9013.c +++ b/drivers/media/dvb/frontends/af9013.c @@ -1187,7 +1187,7 @@ static int af9013_read_status(struct dvb_frontend *fe, fe_status_t *status) if (tmp) *status |= FE_HAS_SYNC | FE_HAS_LOCK; - if (!*status & FE_HAS_SIGNAL) { + if (!(*status & FE_HAS_SIGNAL)) { /* AGC lock */ ret = af9013_read_reg_bits(state, 0xd1a0, 6, 1, &tmp); if (ret) @@ -1196,7 +1196,7 @@ static int af9013_read_status(struct dvb_frontend *fe, fe_status_t *status) *status |= FE_HAS_SIGNAL; } - if (!*status & FE_HAS_CARRIER) { + if (!(*status & FE_HAS_CARRIER)) { /* CFO lock */ ret = af9013_read_reg_bits(state, 0xd333, 7, 1, &tmp); if (ret) @@ -1205,7 +1205,7 @@ static int af9013_read_status(struct dvb_frontend *fe, fe_status_t *status) *status |= FE_HAS_CARRIER; } - if (!*status & FE_HAS_CARRIER) { + if (!(*status & FE_HAS_CARRIER)) { /* SFOE lock */ ret = af9013_read_reg_bits(state, 0xd334, 6, 1, &tmp); if (ret) diff --git a/drivers/media/radio/Kconfig b/drivers/media/radio/Kconfig index 04cd7c04bdd..5189c4eb439 100644 --- a/drivers/media/radio/Kconfig +++ b/drivers/media/radio/Kconfig @@ -355,6 +355,20 @@ config USB_SI470X tristate "Silicon Labs Si470x FM Radio Receiver support" depends on USB && VIDEO_V4L2 ---help--- + This is a driver for USB devices with the Silicon Labs SI470x + chip. Currently these devices are known to work: + - 10c4:818a: Silicon Labs USB FM Radio Reference Design + - 06e1:a155: ADS/Tech FM Radio Receiver (formerly Instant FM Music) + - 1b80:d700: KWorld USB FM Radio SnapMusic Mobile 700 (FM700) + + Sound is provided by the ALSA USB Audio/MIDI driver. Therefore + if you don't want to use the device solely for RDS receiving, + it is recommended to also select SND_USB_AUDIO. + + Please have a look at the documentation, especially on how + to redirect the audio stream from the radio to your sound device: + Documentation/video4linux/si470x.txt + Say Y here if you want to connect this type of radio to your computer's USB port. diff --git a/drivers/media/radio/radio-si470x.c b/drivers/media/radio/radio-si470x.c index 5920cd30697..3e1830293de 100644 --- a/drivers/media/radio/radio-si470x.c +++ b/drivers/media/radio/radio-si470x.c @@ -4,6 +4,7 @@ * Driver for USB radios for the Silicon Labs Si470x FM Radio Receivers: * - Silicon Labs USB FM Radio Reference Design * - ADS/Tech FM Radio Receiver (formerly Instant FM Music) (RDX-155-EF) + * - KWorld USB FM Radio SnapMusic Mobile 700 (FM700) * * Copyright (c) 2008 Tobias Lorenz <tobias.lorenz@gmx.net> * @@ -24,19 +25,6 @@ /* - * User Notes: - * - USB Audio is provided by the alsa snd_usb_audio module. - * For listing you have to redirect the sound, for example using: - * arecord -D hw:1,0 -r96000 -c2 -f S16_LE | artsdsp aplay -B - - * - regarding module parameters in /sys/module/radio_si470x/parameters: - * the contents of read-only files (0444) are not updated, even if - * space, band and de are changed using private video controls - * - increase tune_timeout, if you often get -EIO errors - * - hw_freq_seek returns -EAGAIN, when timed out or band limit is reached - */ - - -/* * History: * 2008-01-12 Tobias Lorenz <tobias.lorenz@gmx.net> * Version 1.0.0 @@ -105,6 +93,9 @@ * - afc indication * - more safety checks, let si470x_get_freq return errno * - vidioc behavior corrected according to v4l2 spec + * 2008-10-20 Alexey Klimov <klimov.linux@gmail.com> + * - add support for KWorld USB FM Radio FM700 + * - blacklisted KWorld radio in hid-core.c and hid-ids.h * * ToDo: * - add firmware download/update support @@ -145,6 +136,8 @@ static struct usb_device_id si470x_usb_driver_id_table[] = { { USB_DEVICE_AND_INTERFACE_INFO(0x10c4, 0x818a, USB_CLASS_HID, 0, 0) }, /* ADS/Tech FM Radio Receiver (formerly Instant FM Music) */ { USB_DEVICE_AND_INTERFACE_INFO(0x06e1, 0xa155, USB_CLASS_HID, 0, 0) }, + /* KWorld USB FM Radio SnapMusic Mobile 700 (FM700) */ + { USB_DEVICE_AND_INTERFACE_INFO(0x1b80, 0xd700, USB_CLASS_HID, 0, 0) }, /* Terminating entry */ { } }; diff --git a/drivers/media/video/cafe_ccic.c b/drivers/media/video/cafe_ccic.c index a8c068e1de1..1740b9ebdce 100644 --- a/drivers/media/video/cafe_ccic.c +++ b/drivers/media/video/cafe_ccic.c @@ -1476,12 +1476,9 @@ static int cafe_v4l_open(struct inode *inode, struct file *filp) { struct cafe_camera *cam; - lock_kernel(); cam = cafe_find_dev(iminor(inode)); - if (cam == NULL) { - unlock_kernel(); + if (cam == NULL) return -ENODEV; - } filp->private_data = cam; mutex_lock(&cam->s_mutex); @@ -1493,7 +1490,6 @@ static int cafe_v4l_open(struct inode *inode, struct file *filp) } (cam->users)++; mutex_unlock(&cam->s_mutex); - unlock_kernel(); return 0; } diff --git a/drivers/media/video/compat_ioctl32.c b/drivers/media/video/compat_ioctl32.c index bd5d9de5a00..e6ca4012b5f 100644 --- a/drivers/media/video/compat_ioctl32.c +++ b/drivers/media/video/compat_ioctl32.c @@ -867,6 +867,7 @@ long v4l_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg) case VIDIOC_STREAMON32: case VIDIOC_STREAMOFF32: case VIDIOC_G_PARM: + case VIDIOC_S_PARM: case VIDIOC_G_STD: case VIDIOC_S_STD: case VIDIOC_G_TUNER: @@ -885,6 +886,8 @@ long v4l_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg) case VIDIOC_S_INPUT32: case VIDIOC_TRY_FMT32: case VIDIOC_S_HW_FREQ_SEEK: + case VIDIOC_ENUM_FRAMESIZES: + case VIDIOC_ENUM_FRAMEINTERVALS: ret = do_video_ioctl(file, cmd, arg); break; diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c index 7a1a7830a6b..7874d9790a5 100644 --- a/drivers/media/video/cx18/cx18-driver.c +++ b/drivers/media/video/cx18/cx18-driver.c @@ -448,7 +448,14 @@ static int __devinit cx18_init_struct1(struct cx18 *cx) mutex_init(&cx->gpio_lock); spin_lock_init(&cx->lock); - spin_lock_init(&cx->dma_reg_lock); + + cx->work_queue = create_singlethread_workqueue(cx->name); + if (cx->work_queue == NULL) { + CX18_ERR("Could not create work queue\n"); + return -1; + } + + INIT_WORK(&cx->work, cx18_work_handler); /* start counting open_id at 1 */ cx->open_id = 1; @@ -581,10 +588,10 @@ static void cx18_load_and_init_modules(struct cx18 *cx) #ifdef MODULE /* load modules */ -#ifndef CONFIG_MEDIA_TUNER +#ifdef CONFIG_MEDIA_TUNER_MODULE hw = cx18_request_module(cx, hw, "tuner", CX18_HW_TUNER); #endif -#ifndef CONFIG_VIDEO_CS5345 +#ifdef CONFIG_VIDEO_CS5345_MODULE hw = cx18_request_module(cx, hw, "cs5345", CX18_HW_CS5345); #endif #endif @@ -832,6 +839,7 @@ free_map: free_mem: release_mem_region(cx->base_addr, CX18_MEM_SIZE); free_workqueue: + destroy_workqueue(cx->work_queue); err: if (retval == 0) retval = -ENODEV; @@ -932,6 +940,9 @@ static void cx18_remove(struct pci_dev *pci_dev) cx18_halt_firmware(cx); + flush_workqueue(cx->work_queue); + destroy_workqueue(cx->work_queue); + cx18_streams_cleanup(cx, 1); exit_cx18_i2c(cx); diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h index a4b1708fafe..bbdd5f25041 100644 --- a/drivers/media/video/cx18/cx18-driver.h +++ b/drivers/media/video/cx18/cx18-driver.h @@ -199,12 +199,15 @@ struct cx18_options { #define CX18_F_S_APPL_IO 8 /* this stream is used read/written by an application */ /* per-cx18, i_flags */ -#define CX18_F_I_LOADED_FW 0 /* Loaded the firmware the first time */ -#define CX18_F_I_EOS 4 /* End of encoder stream reached */ -#define CX18_F_I_RADIO_USER 5 /* The radio tuner is selected */ -#define CX18_F_I_ENC_PAUSED 13 /* the encoder is paused */ -#define CX18_F_I_INITED 21 /* set after first open */ -#define CX18_F_I_FAILED 22 /* set if first open failed */ +#define CX18_F_I_LOADED_FW 0 /* Loaded firmware 1st time */ +#define CX18_F_I_EOS 4 /* End of encoder stream */ +#define CX18_F_I_RADIO_USER 5 /* radio tuner is selected */ +#define CX18_F_I_ENC_PAUSED 13 /* the encoder is paused */ +#define CX18_F_I_HAVE_WORK 15 /* there is work to be done */ +#define CX18_F_I_WORK_HANDLER_DVB 18 /* work to be done for DVB */ +#define CX18_F_I_INITED 21 /* set after first open */ +#define CX18_F_I_FAILED 22 /* set if first open failed */ +#define CX18_F_I_WORK_INITED 23 /* worker thread initialized */ /* These are the VBI types as they appear in the embedded VBI private packets. */ #define CX18_SLICED_TYPE_TELETEXT_B (1) @@ -402,8 +405,6 @@ struct cx18 { spinlock_t lock; /* lock access to this struct */ int search_pack_header; - spinlock_t dma_reg_lock; /* lock access to DMA engine registers */ - int open_id; /* incremented each time an open occurs, used as unique ID. Starts at 1, so 0 can be used as uninitialized value in the stream->id. */ @@ -433,6 +434,9 @@ struct cx18 { /* when the current DMA is finished this queue is woken up */ wait_queue_head_t dma_waitq; + struct workqueue_struct *work_queue; + struct work_struct work; + /* i2c */ struct i2c_adapter i2c_adap[2]; struct i2c_algo_bit_data i2c_algo[2]; diff --git a/drivers/media/video/cx18/cx18-dvb.c b/drivers/media/video/cx18/cx18-dvb.c index afc694e7bdb..4542e2e5e3d 100644 --- a/drivers/media/video/cx18/cx18-dvb.c +++ b/drivers/media/video/cx18/cx18-dvb.c @@ -23,6 +23,8 @@ #include "cx18-dvb.h" #include "cx18-io.h" #include "cx18-streams.h" +#include "cx18-queue.h" +#include "cx18-scb.h" #include "cx18-cards.h" #include "s5h1409.h" #include "mxl5005s.h" @@ -300,3 +302,24 @@ static int dvb_register(struct cx18_stream *stream) return ret; } + +void cx18_dvb_work_handler(struct cx18 *cx) +{ + struct cx18_buffer *buf; + struct cx18_stream *s = &cx->streams[CX18_ENC_STREAM_TYPE_TS]; + + while ((buf = cx18_dequeue(s, &s->q_full)) != NULL) { + if (s->dvb.enabled) + dvb_dmx_swfilter(&s->dvb.demux, buf->buf, + buf->bytesused); + + cx18_enqueue(s, buf, &s->q_free); + cx18_buf_sync_for_device(s, buf); + if (s->handle == CX18_INVALID_TASK_HANDLE) /* FIXME: improve */ + continue; + + cx18_vapi(cx, CX18_CPU_DE_SET_MDL, 5, s->handle, + (void __iomem *)&cx->scb->cpu_mdl[buf->id] - cx->enc_mem, + 1, buf->id, s->buf_size); + } +} diff --git a/drivers/media/video/cx18/cx18-dvb.h b/drivers/media/video/cx18/cx18-dvb.h index bf8d8f6f545..bbdcefc87f2 100644 --- a/drivers/media/video/cx18/cx18-dvb.h +++ b/drivers/media/video/cx18/cx18-dvb.h @@ -23,3 +23,4 @@ int cx18_dvb_register(struct cx18_stream *stream); void cx18_dvb_unregister(struct cx18_stream *stream); +void cx18_dvb_work_handler(struct cx18 *cx); diff --git a/drivers/media/video/cx18/cx18-io.c b/drivers/media/video/cx18/cx18-io.c index 700ab9439c1..220fae8d4ad 100644 --- a/drivers/media/video/cx18/cx18-io.c +++ b/drivers/media/video/cx18/cx18-io.c @@ -88,6 +88,19 @@ void cx18_writel_retry(struct cx18 *cx, u32 val, void __iomem *addr) cx18_log_write_retries(cx, i, addr); } +void _cx18_writel_expect(struct cx18 *cx, u32 val, void __iomem *addr, + u32 eval, u32 mask) +{ + int i; + eval &= mask; + for (i = 0; i < CX18_MAX_MMIO_RETRIES; i++) { + cx18_writel_noretry(cx, val, addr); + if (eval == (cx18_readl_noretry(cx, addr) & mask)) + break; + } + cx18_log_write_retries(cx, i, addr); +} + void cx18_writew_retry(struct cx18 *cx, u16 val, void __iomem *addr) { int i; @@ -218,7 +231,7 @@ void cx18_memset_io(struct cx18 *cx, void __iomem *addr, int val, size_t count) void cx18_sw1_irq_enable(struct cx18 *cx, u32 val) { u32 r; - cx18_write_reg(cx, val, SW1_INT_STATUS); + cx18_write_reg_expect(cx, val, SW1_INT_STATUS, ~val, val); r = cx18_read_reg(cx, SW1_INT_ENABLE_PCI); cx18_write_reg(cx, r | val, SW1_INT_ENABLE_PCI); } @@ -233,7 +246,7 @@ void cx18_sw1_irq_disable(struct cx18 *cx, u32 val) void cx18_sw2_irq_enable(struct cx18 *cx, u32 val) { u32 r; - cx18_write_reg(cx, val, SW2_INT_STATUS); + cx18_write_reg_expect(cx, val, SW2_INT_STATUS, ~val, val); r = cx18_read_reg(cx, SW2_INT_ENABLE_PCI); cx18_write_reg(cx, r | val, SW2_INT_ENABLE_PCI); } diff --git a/drivers/media/video/cx18/cx18-io.h b/drivers/media/video/cx18/cx18-io.h index 287a5e8bf67..425244453ea 100644 --- a/drivers/media/video/cx18/cx18-io.h +++ b/drivers/media/video/cx18/cx18-io.h @@ -133,6 +133,8 @@ static inline void cx18_writel(struct cx18 *cx, u32 val, void __iomem *addr) cx18_writel_noretry(cx, val, addr); } +void _cx18_writel_expect(struct cx18 *cx, u32 val, void __iomem *addr, + u32 eval, u32 mask); static inline void cx18_writew_noretry(struct cx18 *cx, u16 val, void __iomem *addr) @@ -271,6 +273,21 @@ static inline void cx18_write_reg(struct cx18 *cx, u32 val, u32 reg) cx18_write_reg_noretry(cx, val, reg); } +static inline void _cx18_write_reg_expect(struct cx18 *cx, u32 val, u32 reg, + u32 eval, u32 mask) +{ + _cx18_writel_expect(cx, val, cx->reg_mem + reg, eval, mask); +} + +static inline void cx18_write_reg_expect(struct cx18 *cx, u32 val, u32 reg, + u32 eval, u32 mask) +{ + if (cx18_retry_mmio) + _cx18_write_reg_expect(cx, val, reg, eval, mask); + else + cx18_write_reg_noretry(cx, val, reg); +} + static inline u32 cx18_read_reg_noretry(struct cx18 *cx, u32 reg) { diff --git a/drivers/media/video/cx18/cx18-irq.c b/drivers/media/video/cx18/cx18-irq.c index 360330f5463..5fbfbd0f149 100644 --- a/drivers/media/video/cx18/cx18-irq.c +++ b/drivers/media/video/cx18/cx18-irq.c @@ -29,8 +29,20 @@ #include "cx18-mailbox.h" #include "cx18-vbi.h" #include "cx18-scb.h" +#include "cx18-dvb.h" -#define DMA_MAGIC_COOKIE 0x000001fe +void cx18_work_handler(struct work_struct *work) +{ + struct cx18 *cx = container_of(work, struct cx18, work); + if (test_and_clear_bit(CX18_F_I_WORK_INITED, &cx->i_flags)) { + struct sched_param param = { .sched_priority = MAX_RT_PRIO-1 }; + /* This thread must use the FIFO scheduler as it + * is realtime sensitive. */ + sched_setscheduler(current, SCHED_FIFO, ¶m); + } + if (test_and_clear_bit(CX18_F_I_WORK_HANDLER_DVB, &cx->i_flags)) + cx18_dvb_work_handler(cx); +} static void epu_dma_done(struct cx18 *cx, struct cx18_mailbox *mb) { @@ -67,17 +79,11 @@ static void epu_dma_done(struct cx18 *cx, struct cx18_mailbox *mb) if (buf) { cx18_buf_sync_for_cpu(s, buf); if (s->type == CX18_ENC_STREAM_TYPE_TS && s->dvb.enabled) { - /* process the buffer here */ - CX18_DEBUG_HI_DMA("TS recv and sent bytesused=%d\n", - buf->bytesused); - - dvb_dmx_swfilter(&s->dvb.demux, buf->buf, + CX18_DEBUG_HI_DMA("TS recv bytesused = %d\n", buf->bytesused); - cx18_buf_sync_for_device(s, buf); - cx18_vapi(cx, CX18_CPU_DE_SET_MDL, 5, s->handle, - (void __iomem *)&cx->scb->cpu_mdl[buf->id] - cx->enc_mem, - 1, buf->id, s->buf_size); + set_bit(CX18_F_I_WORK_HANDLER_DVB, &cx->i_flags); + set_bit(CX18_F_I_HAVE_WORK, &cx->i_flags); } else set_bit(CX18_F_B_NEED_BUF_SWAP, &buf->b_flags); } else { @@ -109,7 +115,7 @@ static void epu_debug(struct cx18 *cx, struct cx18_mailbox *mb) CX18_INFO("FW version: %s\n", p - 1); } -static void hpu_cmd(struct cx18 *cx, u32 sw1) +static void epu_cmd(struct cx18 *cx, u32 sw1) { struct cx18_mailbox mb; @@ -125,12 +131,31 @@ static void hpu_cmd(struct cx18 *cx, u32 sw1) epu_debug(cx, &mb); break; default: - CX18_WARN("Unexpected mailbox command %08x\n", mb.cmd); + CX18_WARN("Unknown CPU_TO_EPU mailbox command %#08x\n", + mb.cmd); break; } } - if (sw1 & (IRQ_APU_TO_EPU | IRQ_HPU_TO_EPU)) - CX18_WARN("Unexpected interrupt %08x\n", sw1); + + if (sw1 & IRQ_APU_TO_EPU) { + cx18_memcpy_fromio(cx, &mb, &cx->scb->apu2epu_mb, sizeof(mb)); + CX18_WARN("Unknown APU_TO_EPU mailbox command %#08x\n", mb.cmd); + } + + if (sw1 & IRQ_HPU_TO_EPU) { + cx18_memcpy_fromio(cx, &mb, &cx->scb->hpu2epu_mb, sizeof(mb)); + CX18_WARN("Unknown HPU_TO_EPU mailbox command %#08x\n", mb.cmd); + } +} + +static void xpu_ack(struct cx18 *cx, u32 sw2) +{ + if (sw2 & IRQ_CPU_TO_EPU_ACK) + wake_up(&cx->mb_cpu_waitq); + if (sw2 & IRQ_APU_TO_EPU_ACK) + wake_up(&cx->mb_apu_waitq); + if (sw2 & IRQ_HPU_TO_EPU_ACK) + wake_up(&cx->mb_hpu_waitq); } irqreturn_t cx18_irq_handler(int irq, void *dev_id) @@ -140,43 +165,36 @@ irqreturn_t cx18_irq_handler(int irq, void *dev_id) u32 sw2, sw2_mask; u32 hw2, hw2_mask; - spin_lock(&cx->dma_reg_lock); - + sw1_mask = cx18_read_reg(cx, SW1_INT_ENABLE_PCI); + sw1 = cx18_read_reg(cx, SW1_INT_STATUS) & sw1_mask; + sw2_mask = cx18_read_reg(cx, SW2_INT_ENABLE_PCI); + sw2 = cx18_read_reg(cx, SW2_INT_STATUS) & sw2_mask; hw2_mask = cx18_read_reg(cx, HW2_INT_MASK5_PCI); hw2 = cx18_read_reg(cx, HW2_INT_CLR_STATUS) & hw2_mask; - sw2_mask = cx18_read_reg(cx, SW2_INT_ENABLE_PCI) | IRQ_EPU_TO_HPU_ACK; - sw2 = cx18_read_reg(cx, SW2_INT_STATUS) & sw2_mask; - sw1_mask = cx18_read_reg(cx, SW1_INT_ENABLE_PCI) | IRQ_EPU_TO_HPU; - sw1 = cx18_read_reg(cx, SW1_INT_STATUS) & sw1_mask; - cx18_write_reg(cx, sw2&sw2_mask, SW2_INT_STATUS); - cx18_write_reg(cx, sw1&sw1_mask, SW1_INT_STATUS); - cx18_write_reg(cx, hw2&hw2_mask, HW2_INT_CLR_STATUS); + if (sw1) + cx18_write_reg_expect(cx, sw1, SW1_INT_STATUS, ~sw1, sw1); + if (sw2) + cx18_write_reg_expect(cx, sw2, SW2_INT_STATUS, ~sw2, sw2); + if (hw2) + cx18_write_reg_expect(cx, hw2, HW2_INT_CLR_STATUS, ~hw2, hw2); if (sw1 || sw2 || hw2) CX18_DEBUG_HI_IRQ("SW1: %x SW2: %x HW2: %x\n", sw1, sw2, hw2); /* To do: interrupt-based I2C handling - if (hw2 & 0x00c00000) { + if (hw2 & (HW2_I2C1_INT|HW2_I2C2_INT)) { } */ - if (sw2) { - if (sw2 & (cx18_readl(cx, &cx->scb->cpu2hpu_irq_ack) | - cx18_readl(cx, &cx->scb->cpu2epu_irq_ack))) - wake_up(&cx->mb_cpu_waitq); - if (sw2 & (cx18_readl(cx, &cx->scb->apu2hpu_irq_ack) | - cx18_readl(cx, &cx->scb->apu2epu_irq_ack))) - wake_up(&cx->mb_apu_waitq); - if (sw2 & cx18_readl(cx, &cx->scb->epu2hpu_irq_ack)) - wake_up(&cx->mb_epu_waitq); - if (sw2 & cx18_readl(cx, &cx->scb->hpu2epu_irq_ack)) - wake_up(&cx->mb_hpu_waitq); - } + if (sw2) + xpu_ack(cx, sw2); if (sw1) - hpu_cmd(cx, sw1); - spin_unlock(&cx->dma_reg_lock); + epu_cmd(cx, sw1); + + if (test_and_clear_bit(CX18_F_I_HAVE_WORK, &cx->i_flags)) + queue_work(cx->work_queue, &cx->work); - return (hw2 | sw1 | sw2) ? IRQ_HANDLED : IRQ_NONE; + return (sw1 || sw2 || hw2) ? IRQ_HANDLED : IRQ_NONE; } diff --git a/drivers/media/video/cx18/cx18-irq.h b/drivers/media/video/cx18/cx18-irq.h index 379f704f5cb..6173ca3bc9e 100644 --- a/drivers/media/video/cx18/cx18-irq.h +++ b/drivers/media/video/cx18/cx18-irq.h @@ -32,6 +32,4 @@ irqreturn_t cx18_irq_handler(int irq, void *dev_id); -void cx18_irq_work_handler(struct work_struct *work); -void cx18_dma_stream_dec_prepare(struct cx18_stream *s, u32 offset, int lock); -void cx18_unfinished_dma(unsigned long arg); +void cx18_work_handler(struct work_struct *work); diff --git a/drivers/media/video/cx18/cx18-mailbox.c b/drivers/media/video/cx18/cx18-mailbox.c index 9d18dd22de7..acff7dfb60d 100644 --- a/drivers/media/video/cx18/cx18-mailbox.c +++ b/drivers/media/video/cx18/cx18-mailbox.c @@ -83,7 +83,7 @@ static const struct cx18_api_info api_info[] = { API_ENTRY(CPU, CX18_CPU_DE_SET_MDL_ACK, 0), API_ENTRY(CPU, CX18_CPU_DE_SET_MDL, API_FAST), API_ENTRY(CPU, CX18_APU_RESETAI, API_FAST), - API_ENTRY(CPU, CX18_CPU_DE_RELEASE_MDL, 0), + API_ENTRY(CPU, CX18_CPU_DE_RELEASE_MDL, API_SLOW), API_ENTRY(0, 0, 0), }; @@ -176,7 +176,7 @@ long cx18_mb_ack(struct cx18 *cx, const struct cx18_mailbox *mb) cx18_setup_page(cx, SCB_OFFSET); cx18_write_sync(cx, mb->request, &ack_mb->ack); - cx18_write_reg(cx, ack_irq, SW2_INT_SET); + cx18_write_reg_expect(cx, ack_irq, SW2_INT_SET, ack_irq, ack_irq); return 0; } @@ -225,7 +225,7 @@ static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[]) } if (info->flags & API_FAST) timeout /= 2; - cx18_write_reg(cx, irq, SW1_INT_SET); + cx18_write_reg_expect(cx, irq, SW1_INT_SET, irq, irq); while (!sig && cx18_readl(cx, &mb->ack) != cx18_readl(cx, &mb->request) && cnt < 660) { diff --git a/drivers/media/video/cx18/cx18-queue.c b/drivers/media/video/cx18/cx18-queue.c index a33ba04a268..174682c2582 100644 --- a/drivers/media/video/cx18/cx18-queue.c +++ b/drivers/media/video/cx18/cx18-queue.c @@ -88,15 +88,13 @@ struct cx18_buffer *cx18_queue_get_buf_irq(struct cx18_stream *s, u32 id, if (buf->id != id) continue; + buf->bytesused = bytesused; - /* the transport buffers are handled differently, - they are not moved to the full queue */ - if (s->type != CX18_ENC_STREAM_TYPE_TS) { - atomic_dec(&s->q_free.buffers); - atomic_inc(&s->q_full.buffers); - s->q_full.bytesused += buf->bytesused; - list_move_tail(&buf->list, &s->q_full.list); - } + atomic_dec(&s->q_free.buffers); + atomic_inc(&s->q_full.buffers); + s->q_full.bytesused += buf->bytesused; + list_move_tail(&buf->list, &s->q_full.list); + spin_unlock(&s->qlock); return buf; } diff --git a/drivers/media/video/cx18/cx18-scb.h b/drivers/media/video/cx18/cx18-scb.h index 86b4cb15d16..594713bbed6 100644 --- a/drivers/media/video/cx18/cx18-scb.h +++ b/drivers/media/video/cx18/cx18-scb.h @@ -128,22 +128,22 @@ struct cx18_scb { u32 apu2cpu_irq; /* Value to write to register SW2 register set (0xC7003140) after the command is cleared */ - u32 apu2cpu_irq_ack; + u32 cpu2apu_irq_ack; u32 reserved2[13]; u32 hpu2cpu_mb_offset; u32 hpu2cpu_irq; - u32 hpu2cpu_irq_ack; + u32 cpu2hpu_irq_ack; u32 reserved3[13]; u32 ppu2cpu_mb_offset; u32 ppu2cpu_irq; - u32 ppu2cpu_irq_ack; + u32 cpu2ppu_irq_ack; u32 reserved4[13]; u32 epu2cpu_mb_offset; u32 epu2cpu_irq; - u32 epu2cpu_irq_ack; + u32 cpu2epu_irq_ack; u32 reserved5[13]; u32 reserved6[8]; @@ -153,22 +153,22 @@ struct cx18_scb { u32 reserved11[7]; u32 cpu2apu_mb_offset; u32 cpu2apu_irq; - u32 cpu2apu_irq_ack; + u32 apu2cpu_irq_ack; u32 reserved12[13]; u32 hpu2apu_mb_offset; u32 hpu2apu_irq; - u32 hpu2apu_irq_ack; + u32 apu2hpu_irq_ack; u32 reserved13[13]; u32 ppu2apu_mb_offset; u32 ppu2apu_irq; - u32 ppu2apu_irq_ack; + u32 apu2ppu_irq_ack; u32 reserved14[13]; u32 epu2apu_mb_offset; u32 epu2apu_irq; - u32 epu2apu_irq_ack; + u32 apu2epu_irq_ack; u32 reserved15[13]; u32 reserved16[8]; @@ -178,22 +178,22 @@ struct cx18_scb { u32 reserved21[7]; u32 cpu2hpu_mb_offset; u32 cpu2hpu_irq; - u32 cpu2hpu_irq_ack; + u32 hpu2cpu_irq_ack; u32 reserved22[13]; u32 apu2hpu_mb_offset; u32 apu2hpu_irq; - u32 apu2hpu_irq_ack; + u32 hpu2apu_irq_ack; u32 reserved23[13]; u32 ppu2hpu_mb_offset; u32 ppu2hpu_irq; - u32 ppu2hpu_irq_ack; + u32 hpu2ppu_irq_ack; u32 reserved24[13]; u32 epu2hpu_mb_offset; u32 epu2hpu_irq; - u32 epu2hpu_irq_ack; + u32 hpu2epu_irq_ack; u32 reserved25[13]; u32 reserved26[8]; @@ -203,22 +203,22 @@ struct cx18_scb { u32 reserved31[7]; u32 cpu2ppu_mb_offset; u32 cpu2ppu_irq; - u32 cpu2ppu_irq_ack; + u32 ppu2cpu_irq_ack; u32 reserved32[13]; u32 apu2ppu_mb_offset; u32 apu2ppu_irq; - u32 apu2ppu_irq_ack; + u32 ppu2apu_irq_ack; u32 reserved33[13]; u32 hpu2ppu_mb_offset; u32 hpu2ppu_irq; - u32 hpu2ppu_irq_ack; + u32 ppu2hpu_irq_ack; u32 reserved34[13]; u32 epu2ppu_mb_offset; u32 epu2ppu_irq; - u32 epu2ppu_irq_ack; + u32 ppu2epu_irq_ack; u32 reserved35[13]; u32 reserved36[8]; @@ -228,22 +228,22 @@ struct cx18_scb { u32 reserved41[7]; u32 cpu2epu_mb_offset; u32 cpu2epu_irq; - u32 cpu2epu_irq_ack; + u32 epu2cpu_irq_ack; u32 reserved42[13]; u32 apu2epu_mb_offset; u32 apu2epu_irq; - u32 apu2epu_irq_ack; + u32 epu2apu_irq_ack; u32 reserved43[13]; u32 hpu2epu_mb_offset; u32 hpu2epu_irq; - u32 hpu2epu_irq_ack; + u32 epu2hpu_irq_ack; u32 reserved44[13]; u32 ppu2epu_mb_offset; u32 ppu2epu_irq; - u32 ppu2epu_irq_ack; + u32 epu2ppu_irq_ack; u32 reserved45[13]; u32 reserved46[8]; diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c index 078be631955..d3ae5b4dfca 100644 --- a/drivers/media/video/cx88/cx88-blackbird.c +++ b/drivers/media/video/cx88/cx88-blackbird.c @@ -1078,7 +1078,7 @@ static int mpeg_open(struct inode *inode, struct file *file) } } - if (blackbird_initialize_codec(dev) < 0) { + if (!atomic_read(&dev->core->mpeg_users) && blackbird_initialize_codec(dev) < 0) { if (drv) drv->request_release(drv); unlock_kernel(); @@ -1109,6 +1109,8 @@ static int mpeg_open(struct inode *inode, struct file *file) fh->mpegq.field); unlock_kernel(); + atomic_inc(&dev->core->mpeg_users); + return 0; } @@ -1118,7 +1120,7 @@ static int mpeg_release(struct inode *inode, struct file *file) struct cx8802_dev *dev = fh->dev; struct cx8802_driver *drv = NULL; - if (dev->mpeg_active) + if (dev->mpeg_active && atomic_read(&dev->core->mpeg_users) == 1) blackbird_stop_codec(dev); cx8802_cancel_buffers(fh->dev); @@ -1138,6 +1140,8 @@ static int mpeg_release(struct inode *inode, struct file *file) if (drv) drv->request_release(drv); + atomic_dec(&dev->core->mpeg_users); + return 0; } @@ -1158,6 +1162,10 @@ static unsigned int mpeg_poll(struct file *file, struct poll_table_struct *wait) { struct cx8802_fh *fh = file->private_data; + struct cx8802_dev *dev = fh->dev; + + if (!dev->mpeg_active) + blackbird_start_codec(file, fh); return videobuf_poll_stream(file, &fh->mpegq, wait); } diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c index cf6c30d4e54..309ca5e6806 100644 --- a/drivers/media/video/cx88/cx88-dvb.c +++ b/drivers/media/video/cx88/cx88-dvb.c @@ -598,6 +598,11 @@ static int dvb_register(struct cx8802_dev *dev) struct videobuf_dvb_frontend *fe0, *fe1 = NULL; int mfe_shared = 0; /* bus not shared by default */ + if (0 != core->i2c_rc) { + printk(KERN_ERR "%s/2: no i2c-bus available, cannot attach dvb drivers\n", core->name); + goto frontend_detach; + } + /* Get the first frontend */ fe0 = videobuf_dvb_get_frontend(&dev->frontends, 1); if (!fe0) diff --git a/drivers/media/video/cx88/cx88-mpeg.c b/drivers/media/video/cx88/cx88-mpeg.c index a1c435b4b1c..3ebdcd1d83f 100644 --- a/drivers/media/video/cx88/cx88-mpeg.c +++ b/drivers/media/video/cx88/cx88-mpeg.c @@ -769,10 +769,6 @@ static int __devinit cx8802_probe(struct pci_dev *pci_dev, struct cx8802_dev *dev; struct cx88_core *core; int err; -#if defined(CONFIG_VIDEO_CX88_DVB) || defined(CONFIG_VIDEO_CX88_DVB_MODULE) - struct videobuf_dvb_frontend *demod; - int i; -#endif /* general setup */ core = cx88_core_get(pci_dev); @@ -803,15 +799,21 @@ static int __devinit cx8802_probe(struct pci_dev *pci_dev, mutex_init(&dev->frontends.lock); INIT_LIST_HEAD(&dev->frontends.felist); - if (core->board.num_frontends) - printk(KERN_INFO "%s() allocating %d frontend(s)\n", __func__, core->board.num_frontends); - - for (i = 1; i <= core->board.num_frontends; i++) { - demod = videobuf_dvb_alloc_frontend(&dev->frontends, i); - if(demod == NULL) { - printk(KERN_ERR "%s() failed to alloc\n", __func__); - err = -ENOMEM; - goto fail_free; + if (core->board.num_frontends) { + struct videobuf_dvb_frontend *fe; + int i; + + printk(KERN_INFO "%s() allocating %d frontend(s)\n", __func__, + core->board.num_frontends); + for (i = 1; i <= core->board.num_frontends; i++) { + fe = videobuf_dvb_alloc_frontend(&dev->frontends, i); + if(fe == NULL) { + printk(KERN_ERR "%s() failed to alloc\n", + __func__); + videobuf_dvb_dealloc_frontends(&dev->frontends); + err = -ENOMEM; + goto fail_free; + } } } #endif diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c index 61265fd04d5..b96ce991d96 100644 --- a/drivers/media/video/cx88/cx88-video.c +++ b/drivers/media/video/cx88/cx88-video.c @@ -1216,8 +1216,12 @@ static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) struct cx8800_fh *fh = priv; struct cx8800_dev *dev = fh->dev; - if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) + /* We should remember that this driver also supports teletext, */ + /* so we have to test if the v4l2_buf_type is VBI capture data. */ + if (unlikely((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) && + (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))) return -EINVAL; + if (unlikely(i != fh->type)) return -EINVAL; @@ -1232,8 +1236,10 @@ static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) struct cx8800_dev *dev = fh->dev; int err, res; - if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) && + (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)) return -EINVAL; + if (i != fh->type) return -EINVAL; diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h index 76207c2856b..f4240965be3 100644 --- a/drivers/media/video/cx88/cx88.h +++ b/drivers/media/video/cx88/cx88.h @@ -352,6 +352,7 @@ struct cx88_core { /* various v4l controls */ u32 freq; atomic_t users; + atomic_t mpeg_users; /* cx88-video needs to access cx8802 for hybrid tuner pll access. */ struct cx8802_dev *dvbdev; diff --git a/drivers/media/video/gspca/Kconfig b/drivers/media/video/gspca/Kconfig index 4d0817471c9..6b557c057fa 100644 --- a/drivers/media/video/gspca/Kconfig +++ b/drivers/media/video/gspca/Kconfig @@ -3,16 +3,16 @@ menuconfig USB_GSPCA depends on VIDEO_V4L2 default m ---help--- - Say Y here if you want to enable selecting webcams based - on the GSPCA framework. + Say Y here if you want to enable selecting webcams based + on the GSPCA framework. - See <file:Documentation/video4linux/gspca.txt> for more info. + See <file:Documentation/video4linux/gspca.txt> for more info. - This driver uses the Video For Linux API. You must say Y or M to - "Video For Linux" to use this driver. + This driver uses the Video For Linux API. You must say Y or M to + "Video For Linux" to use this driver. - To compile this driver as modules, choose M here: the - modules will be called gspca_main. + To compile this driver as modules, choose M here: the + modules will be called gspca_main. if USB_GSPCA && VIDEO_V4L2 @@ -23,190 +23,190 @@ config USB_GSPCA_CONEX tristate "Conexant Camera Driver" depends on VIDEO_V4L2 && USB_GSPCA help - Say Y here if you want support for cameras based on the Conexant chip. + Say Y here if you want support for cameras based on the Conexant chip. - To compile this driver as a module, choose M here: the - module will be called gspca_conex. + To compile this driver as a module, choose M here: the + module will be called gspca_conex. config USB_GSPCA_ETOMS tristate "Etoms USB Camera Driver" depends on VIDEO_V4L2 && USB_GSPCA help - Say Y here if you want support for cameras based on the Etoms chip. + Say Y here if you want support for cameras based on the Etoms chip. - To compile this driver as a module, choose M here: the - module will be called gspca_etoms. + To compile this driver as a module, choose M here: the + module will be called gspca_etoms. config USB_GSPCA_FINEPIX tristate "Fujifilm FinePix USB V4L2 driver" depends on VIDEO_V4L2 && USB_GSPCA help - Say Y here if you want support for cameras based on the FinePix chip. + Say Y here if you want support for cameras based on the FinePix chip. - To compile this driver as a module, choose M here: the - module will be called gspca_finepix. + To compile this driver as a module, choose M here: the + module will be called gspca_finepix. config USB_GSPCA_MARS tristate "Mars USB Camera Driver" depends on VIDEO_V4L2 && USB_GSPCA help - Say Y here if you want support for cameras based on the Mars chip. + Say Y here if you want support for cameras based on the Mars chip. - To compile this driver as a module, choose M here: the - module will be called gspca_mars. + To compile this driver as a module, choose M here: the + module will be called gspca_mars. config USB_GSPCA_OV519 tristate "OV519 USB Camera Driver" depends on VIDEO_V4L2 && USB_GSPCA help - Say Y here if you want support for cameras based on the OV519 chip. + Say Y here if you want support for cameras based on the OV519 chip. - To compile this driver as a module, choose M here: the - module will be called gspca_ov519. + To compile this driver as a module, choose M here: the + module will be called gspca_ov519. config USB_GSPCA_PAC207 tristate "Pixart PAC207 USB Camera Driver" depends on VIDEO_V4L2 && USB_GSPCA help - Say Y here if you want support for cameras based on the PAC207 chip. + Say Y here if you want support for cameras based on the PAC207 chip. - To compile this driver as a module, choose M here: the - module will be called gspca_pac207. + To compile this driver as a module, choose M here: the + module will be called gspca_pac207. config USB_GSPCA_PAC7311 tristate "Pixart PAC7311 USB Camera Driver" depends on VIDEO_V4L2 && USB_GSPCA help - Say Y here if you want support for cameras based on the PAC7311 chip. + Say Y here if you want support for cameras based on the PAC7311 chip. - To compile this driver as a module, choose M here: the - module will be called gspca_pac7311. + To compile this driver as a module, choose M here: the + module will be called gspca_pac7311. config USB_GSPCA_SONIXB tristate "SN9C102 USB Camera Driver" depends on VIDEO_V4L2 && USB_GSPCA help - Say Y here if you want support for cameras based on the SONIXB chip. + Say Y here if you want support for cameras based on the SONIXB chip. - To compile this driver as a module, choose M here: the - module will be called gspca_sonixb. + To compile this driver as a module, choose M here: the + module will be called gspca_sonixb. config USB_GSPCA_SONIXJ tristate "SONIX JPEG USB Camera Driver" depends on VIDEO_V4L2 && USB_GSPCA help - Say Y here if you want support for cameras based on the SONIXJ chip. + Say Y here if you want support for cameras based on the SONIXJ chip. - To compile this driver as a module, choose M here: the - module will be called gspca_sonixj + To compile this driver as a module, choose M here: the + module will be called gspca_sonixj config USB_GSPCA_SPCA500 tristate "SPCA500 USB Camera Driver" depends on VIDEO_V4L2 && USB_GSPCA help - Say Y here if you want support for cameras based on the SPCA500 chip. + Say Y here if you want support for cameras based on the SPCA500 chip. - To compile this driver as a module, choose M here: the - module will be called gspca_spca500. + To compile this driver as a module, choose M here: the + module will be called gspca_spca500. config USB_GSPCA_SPCA501 tristate "SPCA501 USB Camera Driver" depends on VIDEO_V4L2 && USB_GSPCA help - Say Y here if you want support for cameras based on the SPCA501 chip. + Say Y here if you want support for cameras based on the SPCA501 chip. - To compile this driver as a module, choose M here: the - module will be called gspca_spca501. + To compile this driver as a module, choose M here: the + module will be called gspca_spca501. config USB_GSPCA_SPCA505 tristate "SPCA505 USB Camera Driver" depends on VIDEO_V4L2 && USB_GSPCA help - Say Y here if you want support for cameras based on the SPCA505 chip. + Say Y here if you want support for cameras based on the SPCA505 chip. - To compile this driver as a module, choose M here: the - module will be called gspca_spca505. + To compile this driver as a module, choose M here: the + module will be called gspca_spca505. config USB_GSPCA_SPCA506 tristate "SPCA506 USB Camera Driver" depends on VIDEO_V4L2 && USB_GSPCA help - Say Y here if you want support for cameras based on the SPCA506 chip. + Say Y here if you want support for cameras based on the SPCA506 chip. - To compile this driver as a module, choose M here: the - module will be called gspca_spca506. + To compile this driver as a module, choose M here: the + module will be called gspca_spca506. config USB_GSPCA_SPCA508 tristate "SPCA508 USB Camera Driver" depends on VIDEO_V4L2 && USB_GSPCA help - Say Y here if you want support for cameras based on the SPCA508 chip. + Say Y here if you want support for cameras based on the SPCA508 chip. - To compile this driver as a module, choose M here: the - module will be called gspca_spca508. + To compile this driver as a module, choose M here: the + module will be called gspca_spca508. config USB_GSPCA_SPCA561 tristate "SPCA561 USB Camera Driver" depends on VIDEO_V4L2 && USB_GSPCA help - Say Y here if you want support for cameras based on the SPCA561 chip. + Say Y here if you want support for cameras based on the SPCA561 chip. - To compile this driver as a module, choose M here: the - module will be called gspca_spca561. + To compile this driver as a module, choose M here: the + module will be called gspca_spca561. config USB_GSPCA_STK014 tristate "Syntek DV4000 (STK014) USB Camera Driver" depends on VIDEO_V4L2 && USB_GSPCA help - Say Y here if you want support for cameras based on the STK014 chip. + Say Y here if you want support for cameras based on the STK014 chip. - To compile this driver as a module, choose M here: the - module will be called gspca_stk014. + To compile this driver as a module, choose M here: the + module will be called gspca_stk014. config USB_GSPCA_SUNPLUS tristate "SUNPLUS USB Camera Driver" depends on VIDEO_V4L2 && USB_GSPCA help - Say Y here if you want support for cameras based on the Sunplus - SPCA504(abc) SPCA533 SPCA536 chips. + Say Y here if you want support for cameras based on the Sunplus + SPCA504(abc) SPCA533 SPCA536 chips. - To compile this driver as a module, choose M here: the - module will be called gspca_spca5xx. + To compile this driver as a module, choose M here: the + module will be called gspca_spca5xx. config USB_GSPCA_T613 tristate "T613 (JPEG Compliance) USB Camera Driver" depends on VIDEO_V4L2 && USB_GSPCA help - Say Y here if you want support for cameras based on the T613 chip. + Say Y here if you want support for cameras based on the T613 chip. - To compile this driver as a module, choose M here: the - module will be called gspca_t613. + To compile this driver as a module, choose M here: the + module will be called gspca_t613. config USB_GSPCA_TV8532 tristate "TV8532 USB Camera Driver" depends on VIDEO_V4L2 && USB_GSPCA help - Say Y here if you want support for cameras based on the TV8531 chip. + Say Y here if you want support for cameras based on the TV8531 chip. - To compile this driver as a module, choose M here: the - module will be called gspca_tv8532. + To compile this driver as a module, choose M here: the + module will be called gspca_tv8532. config USB_GSPCA_VC032X tristate "VC032X USB Camera Driver" depends on VIDEO_V4L2 && USB_GSPCA help - Say Y here if you want support for cameras based on the VC032X chip. + Say Y here if you want support for cameras based on the VC032X chip. - To compile this driver as a module, choose M here: the - module will be called gspca_vc032x. + To compile this driver as a module, choose M here: the + module will be called gspca_vc032x. config USB_GSPCA_ZC3XX - tristate "VC3xx USB Camera Driver" + tristate "ZC3XX USB Camera Driver" depends on VIDEO_V4L2 && USB_GSPCA help - Say Y here if you want support for cameras based on the ZC3XX chip. + Say Y here if you want support for cameras based on the ZC3XX chip. - To compile this driver as a module, choose M here: the - module will be called gspca_zc3xx. + To compile this driver as a module, choose M here: the + module will be called gspca_zc3xx. endif diff --git a/drivers/media/video/gspca/zc3xx.c b/drivers/media/video/gspca/zc3xx.c index d0a4451dc46..8b3101d347c 100644 --- a/drivers/media/video/gspca/zc3xx.c +++ b/drivers/media/video/gspca/zc3xx.c @@ -2266,7 +2266,7 @@ static const struct usb_action hdcs2020b_NoFliker[] = { {} }; -static const struct usb_action hv7131bxx_Initial[] = { +static const struct usb_action hv7131bxx_Initial[] = { /* 320x240 */ {0xa0, 0x01, ZC3XX_R000_SYSTEMCONTROL}, {0xa0, 0x10, ZC3XX_R002_CLOCKSELECT}, {0xa0, 0x00, ZC3XX_R010_CMOSSENSORSELECT}, @@ -2290,7 +2290,7 @@ static const struct usb_action hv7131bxx_Initial[] = { {0xaa, 0x14, 0x0001}, {0xaa, 0x15, 0x00e8}, {0xaa, 0x16, 0x0002}, - {0xaa, 0x17, 0x0086}, + {0xaa, 0x17, 0x0086}, /* 00,17,88,aa */ {0xaa, 0x31, 0x0038}, {0xaa, 0x32, 0x0038}, {0xaa, 0x33, 0x0038}, @@ -2309,7 +2309,7 @@ static const struct usb_action hv7131bxx_Initial[] = { {0xa0, 0x13, ZC3XX_R1CB_SHARPNESS05}, {0xa0, 0x08, ZC3XX_R250_DEADPIXELSMODE}, {0xa0, 0x08, ZC3XX_R301_EEPROMACCESS}, - {0xaa, 0x02, 0x0080}, /* {0xaa, 0x02, 0x0090}; */ + {0xaa, 0x02, 0x0090}, /* 00,02,80,aa */ {0xa1, 0x01, 0x0002}, {0xa0, 0x00, ZC3XX_R092_I2CADDRESSSELECT}, {0xa0, 0x02, ZC3XX_R090_I2CCOMMAND}, @@ -2374,7 +2374,7 @@ static const struct usb_action hv7131bxx_Initial[] = { {} }; -static const struct usb_action hv7131bxx_InitialScale[] = { +static const struct usb_action hv7131bxx_InitialScale[] = { /* 640x480*/ {0xa0, 0x01, ZC3XX_R000_SYSTEMCONTROL}, {0xa0, 0x00, ZC3XX_R002_CLOCKSELECT}, {0xa0, 0x00, ZC3XX_R010_CMOSSENSORSELECT}, @@ -6388,6 +6388,8 @@ static void setbrightness(struct gspca_dev *gspca_dev) /*fixme: is it really write to 011d and 018d for all other sensors? */ brightness = sd->brightness; reg_w(gspca_dev->dev, brightness, 0x011d); + if (sd->sensor == SENSOR_HV7131B) + return; if (brightness < 0x70) brightness += 0x10; else @@ -6529,6 +6531,7 @@ static void setquality(struct gspca_dev *gspca_dev) switch (sd->sensor) { case SENSOR_GC0305: + case SENSOR_HV7131B: case SENSOR_OV7620: case SENSOR_PO2030: return; @@ -7209,7 +7212,6 @@ static int sd_start(struct gspca_dev *gspca_dev) mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv; zc3_init = init_tb[(int) sd->sensor][mode]; switch (sd->sensor) { - case SENSOR_HV7131B: case SENSOR_HV7131C: zcxx_probeSensor(gspca_dev); break; diff --git a/drivers/media/video/ivtv/Kconfig b/drivers/media/video/ivtv/Kconfig index 0069898bdda..c46bfb1569e 100644 --- a/drivers/media/video/ivtv/Kconfig +++ b/drivers/media/video/ivtv/Kconfig @@ -1,6 +1,6 @@ config VIDEO_IVTV tristate "Conexant cx23416/cx23415 MPEG encoder/decoder support" - depends on VIDEO_V4L1 && VIDEO_V4L2 && PCI && I2C && EXPERIMENTAL + depends on VIDEO_V4L2 && PCI && I2C depends on INPUT # due to VIDEO_IR select I2C_ALGOBIT select VIDEO_IR @@ -12,7 +12,6 @@ config VIDEO_IVTV select VIDEO_SAA711X select VIDEO_SAA717X select VIDEO_SAA7127 - select VIDEO_TVAUDIO select VIDEO_CS53L32A select VIDEO_M52790 select VIDEO_WM8775 @@ -32,7 +31,7 @@ config VIDEO_IVTV config VIDEO_FB_IVTV tristate "Conexant cx23415 framebuffer support" - depends on VIDEO_IVTV && FB && EXPERIMENTAL + depends on VIDEO_IVTV && FB select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT diff --git a/drivers/media/video/ivtv/ivtv-driver.c b/drivers/media/video/ivtv/ivtv-driver.c index d36485023b6..b69cc1d55e5 100644 --- a/drivers/media/video/ivtv/ivtv-driver.c +++ b/drivers/media/video/ivtv/ivtv-driver.c @@ -875,43 +875,43 @@ static void ivtv_load_and_init_modules(struct ivtv *itv) #ifdef MODULE /* load modules */ -#ifndef CONFIG_MEDIA_TUNER +#ifdef CONFIG_MEDIA_TUNER_MODULE hw = ivtv_request_module(itv, hw, "tuner", IVTV_HW_TUNER); #endif -#ifndef CONFIG_VIDEO_CX25840 +#ifdef CONFIG_VIDEO_CX25840_MODULE hw = ivtv_request_module(itv, hw, "cx25840", IVTV_HW_CX25840); #endif -#ifndef CONFIG_VIDEO_SAA711X +#ifdef CONFIG_VIDEO_SAA711X_MODULE hw = ivtv_request_module(itv, hw, "saa7115", IVTV_HW_SAA711X); #endif -#ifndef CONFIG_VIDEO_SAA7127 +#ifdef CONFIG_VIDEO_SAA7127_MODULE hw = ivtv_request_module(itv, hw, "saa7127", IVTV_HW_SAA7127); #endif -#ifndef CONFIG_VIDEO_SAA717X +#ifdef CONFIG_VIDEO_SAA717X_MODULE hw = ivtv_request_module(itv, hw, "saa717x", IVTV_HW_SAA717X); #endif -#ifndef CONFIG_VIDEO_UPD64031A +#ifdef CONFIG_VIDEO_UPD64031A_MODULE hw = ivtv_request_module(itv, hw, "upd64031a", IVTV_HW_UPD64031A); #endif -#ifndef CONFIG_VIDEO_UPD64083 +#ifdef CONFIG_VIDEO_UPD64083_MODULE hw = ivtv_request_module(itv, hw, "upd64083", IVTV_HW_UPD6408X); #endif -#ifndef CONFIG_VIDEO_MSP3400 +#ifdef CONFIG_VIDEO_MSP3400_MODULE hw = ivtv_request_module(itv, hw, "msp3400", IVTV_HW_MSP34XX); #endif -#ifndef CONFIG_VIDEO_VP27SMPX +#ifdef CONFIG_VIDEO_VP27SMPX_MODULE hw = ivtv_request_module(itv, hw, "vp27smpx", IVTV_HW_VP27SMPX); #endif -#ifndef CONFIG_VIDEO_WM8775 +#ifdef CONFIG_VIDEO_WM8775_MODULE hw = ivtv_request_module(itv, hw, "wm8775", IVTV_HW_WM8775); #endif -#ifndef CONFIG_VIDEO_WM8739 +#ifdef CONFIG_VIDEO_WM8739_MODULE hw = ivtv_request_module(itv, hw, "wm8739", IVTV_HW_WM8739); #endif -#ifndef CONFIG_VIDEO_CS53L32A +#ifdef CONFIG_VIDEO_CS53L32A_MODULE hw = ivtv_request_module(itv, hw, "cs53l32a", IVTV_HW_CS53L32A); #endif -#ifndef CONFIG_VIDEO_M52790 +#ifdef CONFIG_VIDEO_M52790_MODULE hw = ivtv_request_module(itv, hw, "m52790", IVTV_HW_M52790); #endif #endif diff --git a/drivers/media/video/saa7110.c b/drivers/media/video/saa7110.c index adf2ba79496..37860698f78 100644 --- a/drivers/media/video/saa7110.c +++ b/drivers/media/video/saa7110.c @@ -47,7 +47,7 @@ module_param(debug, int, 0); MODULE_PARM_DESC(debug, "Debug level (0-1)"); #define SAA7110_MAX_INPUT 9 /* 6 CVBS, 3 SVHS */ -#define SAA7110_MAX_OUTPUT 0 /* its a decoder only */ +#define SAA7110_MAX_OUTPUT 1 /* 1 YUV */ #define SAA7110_NR_REG 0x35 @@ -327,7 +327,7 @@ saa7110_command (struct i2c_client *client, case DECODER_SET_INPUT: v = *(int *) arg; - if (v < 0 || v > SAA7110_MAX_INPUT) { + if (v < 0 || v >= SAA7110_MAX_INPUT) { v4l_dbg(1, debug, client, "input=%d not available\n", v); return -EINVAL; } diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c index 24918445294..dfbe08a9ad9 100644 --- a/drivers/media/video/saa7134/saa7134-core.c +++ b/drivers/media/video/saa7134/saa7134-core.c @@ -941,7 +941,8 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev, dev->name,(unsigned long long)pci_resource_start(pci_dev,0)); goto fail1; } - dev->lmmio = ioremap(pci_resource_start(pci_dev,0), 0x1000); + dev->lmmio = ioremap(pci_resource_start(pci_dev, 0), + pci_resource_len(pci_dev, 0)); dev->bmmio = (__u8 __iomem *)dev->lmmio; if (NULL == dev->lmmio) { err = -EIO; diff --git a/drivers/media/video/usbvideo/ibmcam.c b/drivers/media/video/usbvideo/ibmcam.c index 28421d386f1..c710bcd1df4 100644 --- a/drivers/media/video/usbvideo/ibmcam.c +++ b/drivers/media/video/usbvideo/ibmcam.c @@ -3695,7 +3695,7 @@ static int ibmcam_probe(struct usb_interface *intf, const struct usb_device_id * unsigned char video_ep = 0; if (debug >= 1) - dev_info(&uvd->dev->dev, "ibmcam_probe(%p,%u.)\n", intf, ifnum); + dev_info(&dev->dev, "ibmcam_probe(%p,%u.)\n", intf, ifnum); /* We don't handle multi-config cameras */ if (dev->descriptor.bNumConfigurations != 1) @@ -3746,7 +3746,7 @@ static int ibmcam_probe(struct usb_interface *intf, const struct usb_device_id * brand = "IBM PC Camera"; /* a.k.a. Xirlink C-It */ break; } - dev_info(&uvd->dev->dev, + dev_info(&dev->dev, "%s USB camera found (model %d, rev. 0x%04x)\n", brand, model, le16_to_cpu(dev->descriptor.bcdDevice)); } while (0); @@ -3754,7 +3754,7 @@ static int ibmcam_probe(struct usb_interface *intf, const struct usb_device_id * /* Validate found interface: must have one ISO endpoint */ nas = intf->num_altsetting; if (debug > 0) - dev_info(&uvd->dev->dev, "Number of alternate settings=%d.\n", + dev_info(&dev->dev, "Number of alternate settings=%d.\n", nas); if (nas < 2) { err("Too few alternate settings for this camera!"); @@ -3799,7 +3799,7 @@ static int ibmcam_probe(struct usb_interface *intf, const struct usb_device_id * actInterface = i; maxPS = le16_to_cpu(endpoint->wMaxPacketSize); if (debug > 0) - dev_info(&uvd->dev->dev, + dev_info(&dev->dev, "Active setting=%d. " "maxPS=%d.\n", i, maxPS); } else @@ -3840,7 +3840,7 @@ static int ibmcam_probe(struct usb_interface *intf, const struct usb_device_id * RESTRICT_TO_RANGE(framerate, 0, 5); break; default: - dev_info(&uvd->dev->dev, "IBM camera: using 320x240\n"); + dev_info(&dev->dev, "IBM camera: using 320x240\n"); size = SIZE_320x240; /* No break here */ case SIZE_320x240: @@ -3869,7 +3869,7 @@ static int ibmcam_probe(struct usb_interface *intf, const struct usb_device_id * canvasY = 120; break; default: - dev_info(&uvd->dev->dev, "IBM NetCamera: using 176x144\n"); + dev_info(&dev->dev, "IBM NetCamera: using 176x144\n"); size = SIZE_176x144; /* No break here */ case SIZE_176x144: diff --git a/drivers/message/fusion/mptlan.c b/drivers/message/fusion/mptlan.c index a1abf95cf75..603ffd008c7 100644 --- a/drivers/message/fusion/mptlan.c +++ b/drivers/message/fusion/mptlan.c @@ -77,12 +77,6 @@ MODULE_VERSION(my_VERSION); * Fusion MPT LAN private structures */ -struct NAA_Hosed { - u16 NAA; - u8 ieee[FC_ALEN]; - struct NAA_Hosed *next; -}; - struct BufferControl { struct sk_buff *skb; dma_addr_t dma; @@ -159,11 +153,6 @@ static u8 LanCtx = MPT_MAX_PROTOCOL_DRIVERS; static u32 max_buckets_out = 127; static u32 tx_max_out_p = 127 - 16; -#ifdef QLOGIC_NAA_WORKAROUND -static struct NAA_Hosed *mpt_bad_naa = NULL; -DEFINE_RWLOCK(bad_naa_lock); -#endif - /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /** * lan_reply - Handle all data sent from the hardware. @@ -780,30 +769,6 @@ mpt_lan_sdu_send (struct sk_buff *skb, struct net_device *dev) // ctx, skb, skb->data)); mac = skb_mac_header(skb); -#ifdef QLOGIC_NAA_WORKAROUND -{ - struct NAA_Hosed *nh; - - /* Munge the NAA for Tx packets to QLogic boards, which don't follow - RFC 2625. The longer I look at this, the more my opinion of Qlogic - drops. */ - read_lock_irq(&bad_naa_lock); - for (nh = mpt_bad_naa; nh != NULL; nh=nh->next) { - if ((nh->ieee[0] == mac[0]) && - (nh->ieee[1] == mac[1]) && - (nh->ieee[2] == mac[2]) && - (nh->ieee[3] == mac[3]) && - (nh->ieee[4] == mac[4]) && - (nh->ieee[5] == mac[5])) { - cur_naa = nh->NAA; - dlprintk ((KERN_INFO "mptlan/sdu_send: using NAA value " - "= %04x.\n", cur_naa)); - break; - } - } - read_unlock_irq(&bad_naa_lock); -} -#endif pTrans->TransactionDetails[0] = cpu_to_le32((cur_naa << 16) | (mac[0] << 8) | @@ -1572,79 +1537,6 @@ mpt_lan_type_trans(struct sk_buff *skb, struct net_device *dev) fcllc = (struct fcllc *)skb->data; -#ifdef QLOGIC_NAA_WORKAROUND -{ - u16 source_naa = fch->stype, found = 0; - - /* Workaround for QLogic not following RFC 2625 in regards to the NAA - value. */ - - if ((source_naa & 0xF000) == 0) - source_naa = swab16(source_naa); - - if (fcllc->ethertype == htons(ETH_P_ARP)) - dlprintk ((KERN_INFO "mptlan/type_trans: got arp req/rep w/ naa of " - "%04x.\n", source_naa)); - - if ((fcllc->ethertype == htons(ETH_P_ARP)) && - ((source_naa >> 12) != MPT_LAN_NAA_RFC2625)){ - struct NAA_Hosed *nh, *prevnh; - int i; - - dlprintk ((KERN_INFO "mptlan/type_trans: ARP Req/Rep from " - "system with non-RFC 2625 NAA value (%04x).\n", - source_naa)); - - write_lock_irq(&bad_naa_lock); - for (prevnh = nh = mpt_bad_naa; nh != NULL; - prevnh=nh, nh=nh->next) { - if ((nh->ieee[0] == fch->saddr[0]) && - (nh->ieee[1] == fch->saddr[1]) && - (nh->ieee[2] == fch->saddr[2]) && - (nh->ieee[3] == fch->saddr[3]) && - (nh->ieee[4] == fch->saddr[4]) && - (nh->ieee[5] == fch->saddr[5])) { - found = 1; - dlprintk ((KERN_INFO "mptlan/type_trans: ARP Re" - "q/Rep w/ bad NAA from system already" - " in DB.\n")); - break; - } - } - - if ((!found) && (nh == NULL)) { - - nh = kmalloc(sizeof(struct NAA_Hosed), GFP_KERNEL); - dlprintk ((KERN_INFO "mptlan/type_trans: ARP Req/Rep w/" - " bad NAA from system not yet in DB.\n")); - - if (nh != NULL) { - nh->next = NULL; - if (!mpt_bad_naa) - mpt_bad_naa = nh; - if (prevnh) - prevnh->next = nh; - - nh->NAA = source_naa; /* Set the S_NAA value. */ - for (i = 0; i < FC_ALEN; i++) - nh->ieee[i] = fch->saddr[i]; - dlprintk ((KERN_INFO "Got ARP from %02x:%02x:%02x:%02x:" - "%02x:%02x with non-compliant S_NAA value.\n", - fch->saddr[0], fch->saddr[1], fch->saddr[2], - fch->saddr[3], fch->saddr[4],fch->saddr[5])); - } else { - printk (KERN_ERR "mptlan/type_trans: Unable to" - " kmalloc a NAA_Hosed struct.\n"); - } - } else if (!found) { - printk (KERN_ERR "mptlan/type_trans: found not" - " set, but nh isn't null. Evil " - "funkiness abounds.\n"); - } - write_unlock_irq(&bad_naa_lock); - } -} -#endif /* Strip the SNAP header from ARP packets since we don't * pass them through to the 802.2/SNAP layers. diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index 9494400e8fd..fee7304102a 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -227,10 +227,20 @@ config HP_WMI To compile this driver as a module, choose M here: the module will be called hp-wmi. +config ICS932S401 + tristate "Integrated Circuits ICS932S401" + depends on I2C && EXPERIMENTAL + help + If you say yes here you get support for the Integrated Circuits + ICS932S401 clock control chips. + + This driver can also be built as a module. If so, the module + will be called ics932s401. + config MSI_LAPTOP tristate "MSI Laptop Extras" depends on X86 - depends on ACPI_EC + depends on ACPI depends on BACKLIGHT_CLASS_DEVICE ---help--- This is a driver for laptops built by MSI (MICRO-STAR @@ -260,7 +270,7 @@ config PANASONIC_LAPTOP config COMPAL_LAPTOP tristate "Compal Laptop Extras" depends on X86 - depends on ACPI_EC + depends on ACPI depends on BACKLIGHT_CLASS_DEVICE ---help--- This is a driver for laptops built by Compal: @@ -488,4 +498,6 @@ config SGI_GRU_DEBUG This option enables addition debugging code for the SGI GRU driver. If you are unsure, say N. +source "drivers/misc/c2port/Kconfig" + endif # MISC_DEVICES diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile index 909e2468cdc..817f7f5ab3b 100644 --- a/drivers/misc/Makefile +++ b/drivers/misc/Makefile @@ -14,6 +14,7 @@ obj-$(CONFIG_ATMEL_PWM) += atmel_pwm.o obj-$(CONFIG_ATMEL_SSC) += atmel-ssc.o obj-$(CONFIG_ATMEL_TCLIB) += atmel_tclib.o obj-$(CONFIG_HP_WMI) += hp-wmi.o +obj-$(CONFIG_ICS932S401) += ics932s401.o obj-$(CONFIG_TC1100_WMI) += tc1100-wmi.o obj-$(CONFIG_LKDTM) += lkdtm.o obj-$(CONFIG_TIFM_CORE) += tifm_core.o @@ -31,3 +32,4 @@ obj-$(CONFIG_KGDB_TESTS) += kgdbts.o obj-$(CONFIG_SGI_XP) += sgi-xp/ obj-$(CONFIG_SGI_GRU) += sgi-gru/ obj-$(CONFIG_HP_ILO) += hpilo.o +obj-$(CONFIG_C2PORT) += c2port/ diff --git a/drivers/misc/acer-wmi.c b/drivers/misc/acer-wmi.c index 0532a2de2ce..94c9f911824 100644 --- a/drivers/misc/acer-wmi.c +++ b/drivers/misc/acer-wmi.c @@ -1297,6 +1297,12 @@ static int __init acer_wmi_init(void) set_quirks(); + if (!acpi_video_backlight_support() && has_cap(ACER_CAP_BRIGHTNESS)) { + interface->capability &= ~ACER_CAP_BRIGHTNESS; + printk(ACER_INFO "Brightness must be controlled by " + "generic video driver\n"); + } + if (platform_driver_register(&acer_platform_driver)) { printk(ACER_ERR "Unable to register platform driver.\n"); goto error_platform_register; diff --git a/drivers/misc/asus-laptop.c b/drivers/misc/asus-laptop.c index a9d5228724a..8fb8b359104 100644 --- a/drivers/misc/asus-laptop.c +++ b/drivers/misc/asus-laptop.c @@ -1208,9 +1208,13 @@ static int __init asus_laptop_init(void) dev = acpi_get_physical_device(hotk->device->handle); - result = asus_backlight_init(dev); - if (result) - goto fail_backlight; + if (!acpi_video_backlight_support()) { + result = asus_backlight_init(dev); + if (result) + goto fail_backlight; + } else + printk(ASUS_INFO "Brightness ignored, must be controlled by " + "ACPI video driver\n"); result = asus_led_init(dev); if (result) diff --git a/drivers/misc/c2port/Kconfig b/drivers/misc/c2port/Kconfig new file mode 100644 index 00000000000..e46af9a5810 --- /dev/null +++ b/drivers/misc/c2port/Kconfig @@ -0,0 +1,35 @@ +# +# C2 port devices +# + +menuconfig C2PORT + tristate "Silicon Labs C2 port support (EXPERIMENTAL)" + depends on EXPERIMENTAL + default no + help + This option enables support for Silicon Labs C2 port used to + program Silicon micro controller chips (and other 8051 compatible). + + If your board have no such micro controllers you don't need this + interface at all. + + To compile this driver as a module, choose M here: the module will + be called c2port_core. Note that you also need a client module + usually called c2port-*. + + If you are not sure, say N here. + +if C2PORT + +config C2PORT_DURAMAR_2150 + tristate "C2 port support for Eurotech's Duramar 2150 (EXPERIMENTAL)" + depends on X86 && C2PORT + default no + help + This option enables C2 support for the Eurotech's Duramar 2150 + on board micro controller. + + To compile this driver as a module, choose M here: the module will + be called c2port-duramar2150. + +endif # C2PORT diff --git a/drivers/misc/c2port/Makefile b/drivers/misc/c2port/Makefile new file mode 100644 index 00000000000..3b2cf43d60f --- /dev/null +++ b/drivers/misc/c2port/Makefile @@ -0,0 +1,3 @@ +obj-$(CONFIG_C2PORT) += core.o + +obj-$(CONFIG_C2PORT_DURAMAR_2150) += c2port-duramar2150.o diff --git a/drivers/misc/c2port/c2port-duramar2150.c b/drivers/misc/c2port/c2port-duramar2150.c new file mode 100644 index 00000000000..338dcc12150 --- /dev/null +++ b/drivers/misc/c2port/c2port-duramar2150.c @@ -0,0 +1,158 @@ +/* + * Silicon Labs C2 port Linux support for Eurotech Duramar 2150 + * + * Copyright (c) 2008 Rodolfo Giometti <giometti@linux.it> + * Copyright (c) 2008 Eurotech S.p.A. <info@eurotech.it> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation + */ + +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/delay.h> +#include <linux/io.h> +#include <linux/c2port.h> + +#define DATA_PORT 0x325 +#define DIR_PORT 0x326 +#define C2D (1 << 0) +#define C2CK (1 << 1) + +static DEFINE_MUTEX(update_lock); + +/* + * C2 port operations + */ + +static void duramar2150_c2port_access(struct c2port_device *dev, int status) +{ + u8 v; + + mutex_lock(&update_lock); + + v = inb(DIR_PORT); + + /* 0 = input, 1 = output */ + if (status) + outb(v | (C2D | C2CK), DIR_PORT); + else + /* When access is "off" is important that both lines are set + * as inputs or hi-impedence */ + outb(v & ~(C2D | C2CK), DIR_PORT); + + mutex_unlock(&update_lock); +} + +static void duramar2150_c2port_c2d_dir(struct c2port_device *dev, int dir) +{ + u8 v; + + mutex_lock(&update_lock); + + v = inb(DIR_PORT); + + if (dir) + outb(v & ~C2D, DIR_PORT); + else + outb(v | C2D, DIR_PORT); + + mutex_unlock(&update_lock); +} + +static int duramar2150_c2port_c2d_get(struct c2port_device *dev) +{ + return inb(DATA_PORT) & C2D; +} + +static void duramar2150_c2port_c2d_set(struct c2port_device *dev, int status) +{ + u8 v; + + mutex_lock(&update_lock); + + v = inb(DATA_PORT); + + if (status) + outb(v | C2D, DATA_PORT); + else + outb(v & ~C2D, DATA_PORT); + + mutex_unlock(&update_lock); +} + +static void duramar2150_c2port_c2ck_set(struct c2port_device *dev, int status) +{ + u8 v; + + mutex_lock(&update_lock); + + v = inb(DATA_PORT); + + if (status) + outb(v | C2CK, DATA_PORT); + else + outb(v & ~C2CK, DATA_PORT); + + mutex_unlock(&update_lock); +} + +static struct c2port_ops duramar2150_c2port_ops = { + .block_size = 512, /* bytes */ + .blocks_num = 30, /* total flash size: 15360 bytes */ + + .access = duramar2150_c2port_access, + .c2d_dir = duramar2150_c2port_c2d_dir, + .c2d_get = duramar2150_c2port_c2d_get, + .c2d_set = duramar2150_c2port_c2d_set, + .c2ck_set = duramar2150_c2port_c2ck_set, +}; + +static struct c2port_device *duramar2150_c2port_dev; + +/* + * Module stuff + */ + +static int __init duramar2150_c2port_init(void) +{ + struct resource *res; + int ret = 0; + + res = request_region(0x325, 2, "c2port"); + if (!res) + return -EBUSY; + + duramar2150_c2port_dev = c2port_device_register("uc", + &duramar2150_c2port_ops, NULL); + if (!duramar2150_c2port_dev) { + ret = -ENODEV; + goto free_region; + } + + return 0; + +free_region: + release_region(0x325, 2); + return ret; +} + +static void __exit duramar2150_c2port_exit(void) +{ + /* Setup the GPIOs as input by default (access = 0) */ + duramar2150_c2port_access(duramar2150_c2port_dev, 0); + + c2port_device_unregister(duramar2150_c2port_dev); + + release_region(0x325, 2); +} + +module_init(duramar2150_c2port_init); +module_exit(duramar2150_c2port_exit); + +MODULE_AUTHOR("Rodolfo Giometti <giometti@linux.it>"); +MODULE_DESCRIPTION("Silicon Labs C2 port Linux support for Duramar 2150"); +MODULE_LICENSE("GPL"); diff --git a/drivers/misc/c2port/core.c b/drivers/misc/c2port/core.c new file mode 100644 index 00000000000..976b35d1d03 --- /dev/null +++ b/drivers/misc/c2port/core.c @@ -0,0 +1,1002 @@ +/* + * Silicon Labs C2 port core Linux support + * + * Copyright (c) 2007 Rodolfo Giometti <giometti@linux.it> + * Copyright (c) 2007 Eurotech S.p.A. <info@eurotech.it> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/device.h> +#include <linux/errno.h> +#include <linux/err.h> +#include <linux/kernel.h> +#include <linux/ctype.h> +#include <linux/delay.h> +#include <linux/idr.h> + +#include <linux/c2port.h> + +#define DRIVER_NAME "c2port" +#define DRIVER_VERSION "0.51.0" + +static DEFINE_SPINLOCK(c2port_idr_lock); +static DEFINE_IDR(c2port_idr); + +/* + * Local variables + */ + +static struct class *c2port_class; + +/* + * C2 registers & commands defines + */ + +/* C2 registers */ +#define C2PORT_DEVICEID 0x00 +#define C2PORT_REVID 0x01 +#define C2PORT_FPCTL 0x02 +#define C2PORT_FPDAT 0xB4 + +/* C2 interface commands */ +#define C2PORT_GET_VERSION 0x01 +#define C2PORT_DEVICE_ERASE 0x03 +#define C2PORT_BLOCK_READ 0x06 +#define C2PORT_BLOCK_WRITE 0x07 +#define C2PORT_PAGE_ERASE 0x08 + +/* C2 status return codes */ +#define C2PORT_INVALID_COMMAND 0x00 +#define C2PORT_COMMAND_FAILED 0x02 +#define C2PORT_COMMAND_OK 0x0d + +/* + * C2 port low level signal managements + */ + +static void c2port_reset(struct c2port_device *dev) +{ + struct c2port_ops *ops = dev->ops; + + /* To reset the device we have to keep clock line low for at least + * 20us. + */ + local_irq_disable(); + ops->c2ck_set(dev, 0); + udelay(25); + ops->c2ck_set(dev, 1); + local_irq_enable(); + + udelay(1); +} + +static void c2port_strobe_ck(struct c2port_device *dev) +{ + struct c2port_ops *ops = dev->ops; + + /* During hi-low-hi transition we disable local IRQs to avoid + * interructions since C2 port specification says that it must be + * shorter than 5us, otherwise the microcontroller may consider + * it as a reset signal! + */ + local_irq_disable(); + ops->c2ck_set(dev, 0); + udelay(1); + ops->c2ck_set(dev, 1); + local_irq_enable(); + + udelay(1); +} + +/* + * C2 port basic functions + */ + +static void c2port_write_ar(struct c2port_device *dev, u8 addr) +{ + struct c2port_ops *ops = dev->ops; + int i; + + /* START field */ + c2port_strobe_ck(dev); + + /* INS field (11b, LSB first) */ + ops->c2d_dir(dev, 0); + ops->c2d_set(dev, 1); + c2port_strobe_ck(dev); + ops->c2d_set(dev, 1); + c2port_strobe_ck(dev); + + /* ADDRESS field */ + for (i = 0; i < 8; i++) { + ops->c2d_set(dev, addr & 0x01); + c2port_strobe_ck(dev); + + addr >>= 1; + } + + /* STOP field */ + ops->c2d_dir(dev, 1); + c2port_strobe_ck(dev); +} + +static int c2port_read_ar(struct c2port_device *dev, u8 *addr) +{ + struct c2port_ops *ops = dev->ops; + int i; + + /* START field */ + c2port_strobe_ck(dev); + + /* INS field (10b, LSB first) */ + ops->c2d_dir(dev, 0); + ops->c2d_set(dev, 0); + c2port_strobe_ck(dev); + ops->c2d_set(dev, 1); + c2port_strobe_ck(dev); + + /* ADDRESS field */ + ops->c2d_dir(dev, 1); + *addr = 0; + for (i = 0; i < 8; i++) { + *addr >>= 1; /* shift in 8-bit ADDRESS field LSB first */ + + c2port_strobe_ck(dev); + if (ops->c2d_get(dev)) + *addr |= 0x80; + } + + /* STOP field */ + c2port_strobe_ck(dev); + + return 0; +} + +static int c2port_write_dr(struct c2port_device *dev, u8 data) +{ + struct c2port_ops *ops = dev->ops; + int timeout, i; + + /* START field */ + c2port_strobe_ck(dev); + + /* INS field (01b, LSB first) */ + ops->c2d_dir(dev, 0); + ops->c2d_set(dev, 1); + c2port_strobe_ck(dev); + ops->c2d_set(dev, 0); + c2port_strobe_ck(dev); + + /* LENGTH field (00b, LSB first -> 1 byte) */ + ops->c2d_set(dev, 0); + c2port_strobe_ck(dev); + ops->c2d_set(dev, 0); + c2port_strobe_ck(dev); + + /* DATA field */ + for (i = 0; i < 8; i++) { + ops->c2d_set(dev, data & 0x01); + c2port_strobe_ck(dev); + + data >>= 1; + } + + /* WAIT field */ + ops->c2d_dir(dev, 1); + timeout = 20; + do { + c2port_strobe_ck(dev); + if (ops->c2d_get(dev)) + break; + + udelay(1); + } while (--timeout > 0); + if (timeout == 0) + return -EIO; + + /* STOP field */ + c2port_strobe_ck(dev); + + return 0; +} + +static int c2port_read_dr(struct c2port_device *dev, u8 *data) +{ + struct c2port_ops *ops = dev->ops; + int timeout, i; + + /* START field */ + c2port_strobe_ck(dev); + + /* INS field (00b, LSB first) */ + ops->c2d_dir(dev, 0); + ops->c2d_set(dev, 0); + c2port_strobe_ck(dev); + ops->c2d_set(dev, 0); + c2port_strobe_ck(dev); + + /* LENGTH field (00b, LSB first -> 1 byte) */ + ops->c2d_set(dev, 0); + c2port_strobe_ck(dev); + ops->c2d_set(dev, 0); + c2port_strobe_ck(dev); + + /* WAIT field */ + ops->c2d_dir(dev, 1); + timeout = 20; + do { + c2port_strobe_ck(dev); + if (ops->c2d_get(dev)) + break; + + udelay(1); + } while (--timeout > 0); + if (timeout == 0) + return -EIO; + + /* DATA field */ + *data = 0; + for (i = 0; i < 8; i++) { + *data >>= 1; /* shift in 8-bit DATA field LSB first */ + + c2port_strobe_ck(dev); + if (ops->c2d_get(dev)) + *data |= 0x80; + } + + /* STOP field */ + c2port_strobe_ck(dev); + + return 0; +} + +static int c2port_poll_in_busy(struct c2port_device *dev) +{ + u8 addr; + int ret, timeout = 20; + + do { + ret = (c2port_read_ar(dev, &addr)); + if (ret < 0) + return -EIO; + + if (!(addr & 0x02)) + break; + + udelay(1); + } while (--timeout > 0); + if (timeout == 0) + return -EIO; + + return 0; +} + +static int c2port_poll_out_ready(struct c2port_device *dev) +{ + u8 addr; + int ret, timeout = 10000; /* erase flash needs long time... */ + + do { + ret = (c2port_read_ar(dev, &addr)); + if (ret < 0) + return -EIO; + + if (addr & 0x01) + break; + + udelay(1); + } while (--timeout > 0); + if (timeout == 0) + return -EIO; + + return 0; +} + +/* + * sysfs methods + */ + +static ssize_t c2port_show_name(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct c2port_device *c2dev = dev_get_drvdata(dev); + + return sprintf(buf, "%s\n", c2dev->name); +} + +static ssize_t c2port_show_flash_blocks_num(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct c2port_device *c2dev = dev_get_drvdata(dev); + struct c2port_ops *ops = c2dev->ops; + + return sprintf(buf, "%d\n", ops->blocks_num); +} + +static ssize_t c2port_show_flash_block_size(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct c2port_device *c2dev = dev_get_drvdata(dev); + struct c2port_ops *ops = c2dev->ops; + + return sprintf(buf, "%d\n", ops->block_size); +} + +static ssize_t c2port_show_flash_size(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct c2port_device *c2dev = dev_get_drvdata(dev); + struct c2port_ops *ops = c2dev->ops; + + return sprintf(buf, "%d\n", ops->blocks_num * ops->block_size); +} + +static ssize_t c2port_show_access(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct c2port_device *c2dev = dev_get_drvdata(dev); + + return sprintf(buf, "%d\n", c2dev->access); +} + +static ssize_t c2port_store_access(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct c2port_device *c2dev = dev_get_drvdata(dev); + struct c2port_ops *ops = c2dev->ops; + int status, ret; + + ret = sscanf(buf, "%d", &status); + if (ret != 1) + return -EINVAL; + + mutex_lock(&c2dev->mutex); + + c2dev->access = !!status; + + /* If access is "on" clock should be HIGH _before_ setting the line + * as output and data line should be set as INPUT anyway */ + if (c2dev->access) + ops->c2ck_set(c2dev, 1); + ops->access(c2dev, c2dev->access); + if (c2dev->access) + ops->c2d_dir(c2dev, 1); + + mutex_unlock(&c2dev->mutex); + + return count; +} + +static ssize_t c2port_store_reset(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct c2port_device *c2dev = dev_get_drvdata(dev); + + /* Check the device access status */ + if (!c2dev->access) + return -EBUSY; + + mutex_lock(&c2dev->mutex); + + c2port_reset(c2dev); + c2dev->flash_access = 0; + + mutex_unlock(&c2dev->mutex); + + return count; +} + +static ssize_t __c2port_show_dev_id(struct c2port_device *dev, char *buf) +{ + u8 data; + int ret; + + /* Select DEVICEID register for C2 data register accesses */ + c2port_write_ar(dev, C2PORT_DEVICEID); + + /* Read and return the device ID register */ + ret = c2port_read_dr(dev, &data); + if (ret < 0) + return ret; + + return sprintf(buf, "%d\n", data); +} + +static ssize_t c2port_show_dev_id(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct c2port_device *c2dev = dev_get_drvdata(dev); + ssize_t ret; + + /* Check the device access status */ + if (!c2dev->access) + return -EBUSY; + + mutex_lock(&c2dev->mutex); + ret = __c2port_show_dev_id(c2dev, buf); + mutex_unlock(&c2dev->mutex); + + if (ret < 0) + dev_err(dev, "cannot read from %s\n", c2dev->name); + + return ret; +} + +static ssize_t __c2port_show_rev_id(struct c2port_device *dev, char *buf) +{ + u8 data; + int ret; + + /* Select REVID register for C2 data register accesses */ + c2port_write_ar(dev, C2PORT_REVID); + + /* Read and return the revision ID register */ + ret = c2port_read_dr(dev, &data); + if (ret < 0) + return ret; + + return sprintf(buf, "%d\n", data); +} + +static ssize_t c2port_show_rev_id(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct c2port_device *c2dev = dev_get_drvdata(dev); + ssize_t ret; + + /* Check the device access status */ + if (!c2dev->access) + return -EBUSY; + + mutex_lock(&c2dev->mutex); + ret = __c2port_show_rev_id(c2dev, buf); + mutex_unlock(&c2dev->mutex); + + if (ret < 0) + dev_err(c2dev->dev, "cannot read from %s\n", c2dev->name); + + return ret; +} + +static ssize_t c2port_show_flash_access(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct c2port_device *c2dev = dev_get_drvdata(dev); + + return sprintf(buf, "%d\n", c2dev->flash_access); +} + +static ssize_t __c2port_store_flash_access(struct c2port_device *dev, + int status) +{ + int ret; + + /* Check the device access status */ + if (!dev->access) + return -EBUSY; + + dev->flash_access = !!status; + + /* If flash_access is off we have nothing to do... */ + if (dev->flash_access == 0) + return 0; + + /* Target the C2 flash programming control register for C2 data + * register access */ + c2port_write_ar(dev, C2PORT_FPCTL); + + /* Write the first keycode to enable C2 Flash programming */ + ret = c2port_write_dr(dev, 0x02); + if (ret < 0) + return ret; + + /* Write the second keycode to enable C2 Flash programming */ + ret = c2port_write_dr(dev, 0x01); + if (ret < 0) + return ret; + + /* Delay for at least 20ms to ensure the target is ready for + * C2 flash programming */ + mdelay(25); + + return 0; +} + +static ssize_t c2port_store_flash_access(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct c2port_device *c2dev = dev_get_drvdata(dev); + int status; + ssize_t ret; + + ret = sscanf(buf, "%d", &status); + if (ret != 1) + return -EINVAL; + + mutex_lock(&c2dev->mutex); + ret = __c2port_store_flash_access(c2dev, status); + mutex_unlock(&c2dev->mutex); + + if (ret < 0) { + dev_err(c2dev->dev, "cannot enable %s flash programming\n", + c2dev->name); + return ret; + } + + return count; +} + +static ssize_t __c2port_write_flash_erase(struct c2port_device *dev) +{ + u8 status; + int ret; + + /* Target the C2 flash programming data register for C2 data register + * access. + */ + c2port_write_ar(dev, C2PORT_FPDAT); + + /* Send device erase command */ + c2port_write_dr(dev, C2PORT_DEVICE_ERASE); + + /* Wait for input acknowledge */ + ret = c2port_poll_in_busy(dev); + if (ret < 0) + return ret; + + /* Should check status before starting FLASH access sequence */ + + /* Wait for status information */ + ret = c2port_poll_out_ready(dev); + if (ret < 0) + return ret; + + /* Read flash programming interface status */ + ret = c2port_read_dr(dev, &status); + if (ret < 0) + return ret; + if (status != C2PORT_COMMAND_OK) + return -EBUSY; + + /* Send a three-byte arming sequence to enable the device erase. + * If the sequence is not received correctly, the command will be + * ignored. + * Sequence is: 0xde, 0xad, 0xa5. + */ + c2port_write_dr(dev, 0xde); + ret = c2port_poll_in_busy(dev); + if (ret < 0) + return ret; + c2port_write_dr(dev, 0xad); + ret = c2port_poll_in_busy(dev); + if (ret < 0) + return ret; + c2port_write_dr(dev, 0xa5); + ret = c2port_poll_in_busy(dev); + if (ret < 0) + return ret; + + ret = c2port_poll_out_ready(dev); + if (ret < 0) + return ret; + + return 0; +} + +static ssize_t c2port_store_flash_erase(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct c2port_device *c2dev = dev_get_drvdata(dev); + int ret; + + /* Check the device and flash access status */ + if (!c2dev->access || !c2dev->flash_access) + return -EBUSY; + + mutex_lock(&c2dev->mutex); + ret = __c2port_write_flash_erase(c2dev); + mutex_unlock(&c2dev->mutex); + + if (ret < 0) { + dev_err(c2dev->dev, "cannot erase %s flash\n", c2dev->name); + return ret; + } + + return count; +} + +static ssize_t __c2port_read_flash_data(struct c2port_device *dev, + char *buffer, loff_t offset, size_t count) +{ + struct c2port_ops *ops = dev->ops; + u8 status, nread = 128; + int i, ret; + + /* Check for flash end */ + if (offset >= ops->block_size * ops->blocks_num) + return 0; + + if (ops->block_size * ops->blocks_num - offset < nread) + nread = ops->block_size * ops->blocks_num - offset; + if (count < nread) + nread = count; + if (nread == 0) + return nread; + + /* Target the C2 flash programming data register for C2 data register + * access */ + c2port_write_ar(dev, C2PORT_FPDAT); + + /* Send flash block read command */ + c2port_write_dr(dev, C2PORT_BLOCK_READ); + + /* Wait for input acknowledge */ + ret = c2port_poll_in_busy(dev); + if (ret < 0) + return ret; + + /* Should check status before starting FLASH access sequence */ + + /* Wait for status information */ + ret = c2port_poll_out_ready(dev); + if (ret < 0) + return ret; + + /* Read flash programming interface status */ + ret = c2port_read_dr(dev, &status); + if (ret < 0) + return ret; + if (status != C2PORT_COMMAND_OK) + return -EBUSY; + + /* Send address high byte */ + c2port_write_dr(dev, offset >> 8); + ret = c2port_poll_in_busy(dev); + if (ret < 0) + return ret; + + /* Send address low byte */ + c2port_write_dr(dev, offset & 0x00ff); + ret = c2port_poll_in_busy(dev); + if (ret < 0) + return ret; + + /* Send address block size */ + c2port_write_dr(dev, nread); + ret = c2port_poll_in_busy(dev); + if (ret < 0) + return ret; + + /* Should check status before reading FLASH block */ + + /* Wait for status information */ + ret = c2port_poll_out_ready(dev); + if (ret < 0) + return ret; + + /* Read flash programming interface status */ + ret = c2port_read_dr(dev, &status); + if (ret < 0) + return ret; + if (status != C2PORT_COMMAND_OK) + return -EBUSY; + + /* Read flash block */ + for (i = 0; i < nread; i++) { + ret = c2port_poll_out_ready(dev); + if (ret < 0) + return ret; + + ret = c2port_read_dr(dev, buffer+i); + if (ret < 0) + return ret; + } + + return nread; +} + +static ssize_t c2port_read_flash_data(struct kobject *kobj, + struct bin_attribute *attr, + char *buffer, loff_t offset, size_t count) +{ + struct c2port_device *c2dev = + dev_get_drvdata(container_of(kobj, + struct device, kobj)); + ssize_t ret; + + /* Check the device and flash access status */ + if (!c2dev->access || !c2dev->flash_access) + return -EBUSY; + + mutex_lock(&c2dev->mutex); + ret = __c2port_read_flash_data(c2dev, buffer, offset, count); + mutex_unlock(&c2dev->mutex); + + if (ret < 0) + dev_err(c2dev->dev, "cannot read %s flash\n", c2dev->name); + + return ret; +} + +static ssize_t __c2port_write_flash_data(struct c2port_device *dev, + char *buffer, loff_t offset, size_t count) +{ + struct c2port_ops *ops = dev->ops; + u8 status, nwrite = 128; + int i, ret; + + if (nwrite > count) + nwrite = count; + if (ops->block_size * ops->blocks_num - offset < nwrite) + nwrite = ops->block_size * ops->blocks_num - offset; + + /* Check for flash end */ + if (offset >= ops->block_size * ops->blocks_num) + return -EINVAL; + + /* Target the C2 flash programming data register for C2 data register + * access */ + c2port_write_ar(dev, C2PORT_FPDAT); + + /* Send flash block write command */ + c2port_write_dr(dev, C2PORT_BLOCK_WRITE); + + /* Wait for input acknowledge */ + ret = c2port_poll_in_busy(dev); + if (ret < 0) + return ret; + + /* Should check status before starting FLASH access sequence */ + + /* Wait for status information */ + ret = c2port_poll_out_ready(dev); + if (ret < 0) + return ret; + + /* Read flash programming interface status */ + ret = c2port_read_dr(dev, &status); + if (ret < 0) + return ret; + if (status != C2PORT_COMMAND_OK) + return -EBUSY; + + /* Send address high byte */ + c2port_write_dr(dev, offset >> 8); + ret = c2port_poll_in_busy(dev); + if (ret < 0) + return ret; + + /* Send address low byte */ + c2port_write_dr(dev, offset & 0x00ff); + ret = c2port_poll_in_busy(dev); + if (ret < 0) + return ret; + + /* Send address block size */ + c2port_write_dr(dev, nwrite); + ret = c2port_poll_in_busy(dev); + if (ret < 0) + return ret; + + /* Should check status before writing FLASH block */ + + /* Wait for status information */ + ret = c2port_poll_out_ready(dev); + if (ret < 0) + return ret; + + /* Read flash programming interface status */ + ret = c2port_read_dr(dev, &status); + if (ret < 0) + return ret; + if (status != C2PORT_COMMAND_OK) + return -EBUSY; + + /* Write flash block */ + for (i = 0; i < nwrite; i++) { + ret = c2port_write_dr(dev, *(buffer+i)); + if (ret < 0) + return ret; + + ret = c2port_poll_in_busy(dev); + if (ret < 0) + return ret; + + } + + /* Wait for last flash write to complete */ + ret = c2port_poll_out_ready(dev); + if (ret < 0) + return ret; + + return nwrite; +} + +static ssize_t c2port_write_flash_data(struct kobject *kobj, + struct bin_attribute *attr, + char *buffer, loff_t offset, size_t count) +{ + struct c2port_device *c2dev = + dev_get_drvdata(container_of(kobj, + struct device, kobj)); + int ret; + + /* Check the device access status */ + if (!c2dev->access || !c2dev->flash_access) + return -EBUSY; + + mutex_lock(&c2dev->mutex); + ret = __c2port_write_flash_data(c2dev, buffer, offset, count); + mutex_unlock(&c2dev->mutex); + + if (ret < 0) + dev_err(c2dev->dev, "cannot write %s flash\n", c2dev->name); + + return ret; +} + +/* + * Class attributes + */ + +static struct device_attribute c2port_attrs[] = { + __ATTR(name, 0444, c2port_show_name, NULL), + __ATTR(flash_blocks_num, 0444, c2port_show_flash_blocks_num, NULL), + __ATTR(flash_block_size, 0444, c2port_show_flash_block_size, NULL), + __ATTR(flash_size, 0444, c2port_show_flash_size, NULL), + __ATTR(access, 0644, c2port_show_access, c2port_store_access), + __ATTR(reset, 0200, NULL, c2port_store_reset), + __ATTR(dev_id, 0444, c2port_show_dev_id, NULL), + __ATTR(rev_id, 0444, c2port_show_rev_id, NULL), + + __ATTR(flash_access, 0644, c2port_show_flash_access, + c2port_store_flash_access), + __ATTR(flash_erase, 0200, NULL, c2port_store_flash_erase), + __ATTR_NULL, +}; + +static struct bin_attribute c2port_bin_attrs = { + .attr = { + .name = "flash_data", + .mode = 0644 + }, + .read = c2port_read_flash_data, + .write = c2port_write_flash_data, + /* .size is computed at run-time */ +}; + +/* + * Exported functions + */ + +struct c2port_device *c2port_device_register(char *name, + struct c2port_ops *ops, void *devdata) +{ + struct c2port_device *c2dev; + int id, ret; + + if (unlikely(!ops) || unlikely(!ops->access) || \ + unlikely(!ops->c2d_dir) || unlikely(!ops->c2ck_set) || \ + unlikely(!ops->c2d_get) || unlikely(!ops->c2d_set)) + return ERR_PTR(-EINVAL); + + c2dev = kmalloc(sizeof(struct c2port_device), GFP_KERNEL); + if (unlikely(!c2dev)) + return ERR_PTR(-ENOMEM); + + ret = idr_pre_get(&c2port_idr, GFP_KERNEL); + if (!ret) { + ret = -ENOMEM; + goto error_idr_get_new; + } + + spin_lock_irq(&c2port_idr_lock); + ret = idr_get_new(&c2port_idr, c2dev, &id); + spin_unlock_irq(&c2port_idr_lock); + + if (ret < 0) + goto error_idr_get_new; + c2dev->id = id; + + c2dev->dev = device_create(c2port_class, NULL, 0, c2dev, + "c2port%d", id); + if (unlikely(!c2dev->dev)) { + ret = -ENOMEM; + goto error_device_create; + } + dev_set_drvdata(c2dev->dev, c2dev); + + strncpy(c2dev->name, name, C2PORT_NAME_LEN); + c2dev->ops = ops; + mutex_init(&c2dev->mutex); + + /* Create binary file */ + c2port_bin_attrs.size = ops->blocks_num * ops->block_size; + ret = device_create_bin_file(c2dev->dev, &c2port_bin_attrs); + if (unlikely(ret)) + goto error_device_create_bin_file; + + /* By default C2 port access is off */ + c2dev->access = c2dev->flash_access = 0; + ops->access(c2dev, 0); + + dev_info(c2dev->dev, "C2 port %s added\n", name); + dev_info(c2dev->dev, "%s flash has %d blocks x %d bytes " + "(%d bytes total)\n", + name, ops->blocks_num, ops->block_size, + ops->blocks_num * ops->block_size); + + return c2dev; + +error_device_create_bin_file: + device_destroy(c2port_class, 0); + +error_device_create: + spin_lock_irq(&c2port_idr_lock); + idr_remove(&c2port_idr, id); + spin_unlock_irq(&c2port_idr_lock); + +error_idr_get_new: + kfree(c2dev); + + return ERR_PTR(ret); +} +EXPORT_SYMBOL(c2port_device_register); + +void c2port_device_unregister(struct c2port_device *c2dev) +{ + if (!c2dev) + return; + + dev_info(c2dev->dev, "C2 port %s removed\n", c2dev->name); + + device_remove_bin_file(c2dev->dev, &c2port_bin_attrs); + spin_lock_irq(&c2port_idr_lock); + idr_remove(&c2port_idr, c2dev->id); + spin_unlock_irq(&c2port_idr_lock); + + device_destroy(c2port_class, c2dev->id); + + kfree(c2dev); +} +EXPORT_SYMBOL(c2port_device_unregister); + +/* + * Module stuff + */ + +static int __init c2port_init(void) +{ + printk(KERN_INFO "Silicon Labs C2 port support v. " DRIVER_VERSION + " - (C) 2007 Rodolfo Giometti\n"); + + c2port_class = class_create(THIS_MODULE, "c2port"); + if (!c2port_class) { + printk(KERN_ERR "c2port: failed to allocate class\n"); + return -ENOMEM; + } + c2port_class->dev_attrs = c2port_attrs; + + return 0; +} + +static void __exit c2port_exit(void) +{ + class_destroy(c2port_class); +} + +module_init(c2port_init); +module_exit(c2port_exit); + +MODULE_AUTHOR("Rodolfo Giometti <giometti@linux.it>"); +MODULE_DESCRIPTION("Silicon Labs C2 port support v. " DRIVER_VERSION); +MODULE_LICENSE("GPL"); diff --git a/drivers/misc/compal-laptop.c b/drivers/misc/compal-laptop.c index 344b790a625..11003bba10d 100644 --- a/drivers/misc/compal-laptop.c +++ b/drivers/misc/compal-laptop.c @@ -326,12 +326,14 @@ static int __init compal_init(void) /* Register backlight stuff */ - compalbl_device = backlight_device_register("compal-laptop", NULL, NULL, - &compalbl_ops); - if (IS_ERR(compalbl_device)) - return PTR_ERR(compalbl_device); + if (!acpi_video_backlight_support()) { + compalbl_device = backlight_device_register("compal-laptop", NULL, NULL, + &compalbl_ops); + if (IS_ERR(compalbl_device)) + return PTR_ERR(compalbl_device); - compalbl_device->props.max_brightness = COMPAL_LCD_LEVEL_MAX-1; + compalbl_device->props.max_brightness = COMPAL_LCD_LEVEL_MAX-1; + } ret = platform_driver_register(&compal_driver); if (ret) diff --git a/drivers/misc/eeepc-laptop.c b/drivers/misc/eeepc-laptop.c index 9ef98b2d503..02fe2b8b893 100644 --- a/drivers/misc/eeepc-laptop.c +++ b/drivers/misc/eeepc-laptop.c @@ -825,9 +825,15 @@ static int __init eeepc_laptop_init(void) return -ENODEV; } dev = acpi_get_physical_device(ehotk->device->handle); - result = eeepc_backlight_init(dev); - if (result) - goto fail_backlight; + + if (!acpi_video_backlight_support()) { + result = eeepc_backlight_init(dev); + if (result) + goto fail_backlight; + } else + printk(EEEPC_INFO "Backlight controlled by ACPI video " + "driver\n"); + result = eeepc_hwmon_init(dev); if (result) goto fail_hwmon; diff --git a/drivers/misc/fujitsu-laptop.c b/drivers/misc/fujitsu-laptop.c index d2cf0bfe316..a7dd3e9fb79 100644 --- a/drivers/misc/fujitsu-laptop.c +++ b/drivers/misc/fujitsu-laptop.c @@ -464,6 +464,14 @@ static int dmi_check_cb_s6410(const struct dmi_system_id *id) return 0; } +static int dmi_check_cb_s6420(const struct dmi_system_id *id) +{ + dmi_check_cb_common(id); + fujitsu->keycode1 = KEY_SCREENLOCK; /* "Lock" */ + fujitsu->keycode2 = KEY_HELP; /* "Mobility Center" */ + return 0; +} + static int dmi_check_cb_p8010(const struct dmi_system_id *id) { dmi_check_cb_common(id); @@ -473,7 +481,7 @@ static int dmi_check_cb_p8010(const struct dmi_system_id *id) return 0; } -static struct dmi_system_id __initdata fujitsu_dmi_table[] = { +static struct dmi_system_id fujitsu_dmi_table[] = { { .ident = "Fujitsu Siemens S6410", .matches = { @@ -482,6 +490,13 @@ static struct dmi_system_id __initdata fujitsu_dmi_table[] = { }, .callback = dmi_check_cb_s6410}, { + .ident = "Fujitsu Siemens S6420", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK S6420"), + }, + .callback = dmi_check_cb_s6420}, + { .ident = "Fujitsu LifeBook P8010", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), @@ -990,16 +1005,16 @@ static int __init fujitsu_init(void) /* Register backlight stuff */ - fujitsu->bl_device = - backlight_device_register("fujitsu-laptop", NULL, NULL, - &fujitsubl_ops); - if (IS_ERR(fujitsu->bl_device)) - return PTR_ERR(fujitsu->bl_device); - - max_brightness = fujitsu->max_brightness; - - fujitsu->bl_device->props.max_brightness = max_brightness - 1; - fujitsu->bl_device->props.brightness = fujitsu->brightness_level; + if (!acpi_video_backlight_support()) { + fujitsu->bl_device = + backlight_device_register("fujitsu-laptop", NULL, NULL, + &fujitsubl_ops); + if (IS_ERR(fujitsu->bl_device)) + return PTR_ERR(fujitsu->bl_device); + max_brightness = fujitsu->max_brightness; + fujitsu->bl_device->props.max_brightness = max_brightness - 1; + fujitsu->bl_device->props.brightness = fujitsu->brightness_level; + } ret = platform_driver_register(&fujitsupf_driver); if (ret) @@ -1035,7 +1050,8 @@ fail_hotkey: fail_backlight: - backlight_device_unregister(fujitsu->bl_device); + if (fujitsu->bl_device) + backlight_device_unregister(fujitsu->bl_device); fail_platform_device2: @@ -1062,7 +1078,8 @@ static void __exit fujitsu_cleanup(void) &fujitsupf_attribute_group); platform_device_unregister(fujitsu->pf_device); platform_driver_unregister(&fujitsupf_driver); - backlight_device_unregister(fujitsu->bl_device); + if (fujitsu->bl_device) + backlight_device_unregister(fujitsu->bl_device); acpi_bus_unregister_driver(&acpi_fujitsu_driver); diff --git a/drivers/misc/ics932s401.c b/drivers/misc/ics932s401.c new file mode 100644 index 00000000000..6e43ab4231a --- /dev/null +++ b/drivers/misc/ics932s401.c @@ -0,0 +1,515 @@ +/* + * A driver for the Integrated Circuits ICS932S401 + * Copyright (C) 2008 IBM + * + * Author: Darrick J. Wong <djwong@us.ibm.com> + * + * 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 Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * 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/module.h> +#include <linux/jiffies.h> +#include <linux/i2c.h> +#include <linux/err.h> +#include <linux/mutex.h> +#include <linux/delay.h> +#include <linux/log2.h> + +/* Addresses to scan */ +static const unsigned short normal_i2c[] = { 0x69, I2C_CLIENT_END }; + +/* Insmod parameters */ +I2C_CLIENT_INSMOD_1(ics932s401); + +/* ICS932S401 registers */ +#define ICS932S401_REG_CFG2 0x01 +#define ICS932S401_CFG1_SPREAD 0x01 +#define ICS932S401_REG_CFG7 0x06 +#define ICS932S401_FS_MASK 0x07 +#define ICS932S401_REG_VENDOR_REV 0x07 +#define ICS932S401_VENDOR 1 +#define ICS932S401_VENDOR_MASK 0x0F +#define ICS932S401_REV 4 +#define ICS932S401_REV_SHIFT 4 +#define ICS932S401_REG_DEVICE 0x09 +#define ICS932S401_DEVICE 11 +#define ICS932S401_REG_CTRL 0x0A +#define ICS932S401_MN_ENABLED 0x80 +#define ICS932S401_CPU_ALT 0x04 +#define ICS932S401_SRC_ALT 0x08 +#define ICS932S401_REG_CPU_M_CTRL 0x0B +#define ICS932S401_M_MASK 0x3F +#define ICS932S401_REG_CPU_N_CTRL 0x0C +#define ICS932S401_REG_CPU_SPREAD1 0x0D +#define ICS932S401_REG_CPU_SPREAD2 0x0E +#define ICS932S401_SPREAD_MASK 0x7FFF +#define ICS932S401_REG_SRC_M_CTRL 0x0F +#define ICS932S401_REG_SRC_N_CTRL 0x10 +#define ICS932S401_REG_SRC_SPREAD1 0x11 +#define ICS932S401_REG_SRC_SPREAD2 0x12 +#define ICS932S401_REG_CPU_DIVISOR 0x13 +#define ICS932S401_CPU_DIVISOR_SHIFT 4 +#define ICS932S401_REG_PCISRC_DIVISOR 0x14 +#define ICS932S401_SRC_DIVISOR_MASK 0x0F +#define ICS932S401_PCI_DIVISOR_SHIFT 4 + +/* Base clock is 14.318MHz */ +#define BASE_CLOCK 14318 + +#define NUM_REGS 21 +#define NUM_MIRRORED_REGS 15 + +static int regs_to_copy[NUM_MIRRORED_REGS] = { + ICS932S401_REG_CFG2, + ICS932S401_REG_CFG7, + ICS932S401_REG_VENDOR_REV, + ICS932S401_REG_DEVICE, + ICS932S401_REG_CTRL, + ICS932S401_REG_CPU_M_CTRL, + ICS932S401_REG_CPU_N_CTRL, + ICS932S401_REG_CPU_SPREAD1, + ICS932S401_REG_CPU_SPREAD2, + ICS932S401_REG_SRC_M_CTRL, + ICS932S401_REG_SRC_N_CTRL, + ICS932S401_REG_SRC_SPREAD1, + ICS932S401_REG_SRC_SPREAD2, + ICS932S401_REG_CPU_DIVISOR, + ICS932S401_REG_PCISRC_DIVISOR, +}; + +/* How often do we reread sensors values? (In jiffies) */ +#define SENSOR_REFRESH_INTERVAL (2 * HZ) + +/* How often do we reread sensor limit values? (In jiffies) */ +#define LIMIT_REFRESH_INTERVAL (60 * HZ) + +struct ics932s401_data { + struct attribute_group attrs; + struct mutex lock; + char sensors_valid; + unsigned long sensors_last_updated; /* In jiffies */ + + u8 regs[NUM_REGS]; +}; + +static int ics932s401_probe(struct i2c_client *client, + const struct i2c_device_id *id); +static int ics932s401_detect(struct i2c_client *client, int kind, + struct i2c_board_info *info); +static int ics932s401_remove(struct i2c_client *client); + +static const struct i2c_device_id ics932s401_id[] = { + { "ics932s401", ics932s401 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, ics932s401_id); + +static struct i2c_driver ics932s401_driver = { + .class = I2C_CLASS_HWMON, + .driver = { + .name = "ics932s401", + }, + .probe = ics932s401_probe, + .remove = ics932s401_remove, + .id_table = ics932s401_id, + .detect = ics932s401_detect, + .address_data = &addr_data, +}; + +static struct ics932s401_data *ics932s401_update_device(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct ics932s401_data *data = i2c_get_clientdata(client); + unsigned long local_jiffies = jiffies; + int i, temp; + + mutex_lock(&data->lock); + if (time_before(local_jiffies, data->sensors_last_updated + + SENSOR_REFRESH_INTERVAL) + && data->sensors_valid) + goto out; + + /* + * Each register must be read as a word and then right shifted 8 bits. + * Not really sure why this is; setting the "byte count programming" + * register to 1 does not fix this problem. + */ + for (i = 0; i < NUM_MIRRORED_REGS; i++) { + temp = i2c_smbus_read_word_data(client, regs_to_copy[i]); + data->regs[regs_to_copy[i]] = temp >> 8; + } + + data->sensors_last_updated = local_jiffies; + data->sensors_valid = 1; + +out: + mutex_unlock(&data->lock); + return data; +} + +static ssize_t show_spread_enabled(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct ics932s401_data *data = ics932s401_update_device(dev); + + if (data->regs[ICS932S401_REG_CFG2] & ICS932S401_CFG1_SPREAD) + return sprintf(buf, "1\n"); + + return sprintf(buf, "0\n"); +} + +/* bit to cpu khz map */ +static const int fs_speeds[] = { + 266666, + 133333, + 200000, + 166666, + 333333, + 100000, + 400000, + 0, +}; + +/* clock divisor map */ +static const int divisors[] = {2, 3, 5, 15, 4, 6, 10, 30, 8, 12, 20, 60, 16, + 24, 40, 120}; + +/* Calculate CPU frequency from the M/N registers. */ +static int calculate_cpu_freq(struct ics932s401_data *data) +{ + int m, n, freq; + + m = data->regs[ICS932S401_REG_CPU_M_CTRL] & ICS932S401_M_MASK; + n = data->regs[ICS932S401_REG_CPU_N_CTRL]; + + /* Pull in bits 8 & 9 from the M register */ + n |= ((int)data->regs[ICS932S401_REG_CPU_M_CTRL] & 0x80) << 1; + n |= ((int)data->regs[ICS932S401_REG_CPU_M_CTRL] & 0x40) << 3; + + freq = BASE_CLOCK * (n + 8) / (m + 2); + freq /= divisors[data->regs[ICS932S401_REG_CPU_DIVISOR] >> + ICS932S401_CPU_DIVISOR_SHIFT]; + + return freq; +} + +static ssize_t show_cpu_clock(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct ics932s401_data *data = ics932s401_update_device(dev); + + return sprintf(buf, "%d\n", calculate_cpu_freq(data)); +} + +static ssize_t show_cpu_clock_sel(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct ics932s401_data *data = ics932s401_update_device(dev); + int freq; + + if (data->regs[ICS932S401_REG_CTRL] & ICS932S401_MN_ENABLED) + freq = calculate_cpu_freq(data); + else { + /* Freq is neatly wrapped up for us */ + int fid = data->regs[ICS932S401_REG_CFG7] & ICS932S401_FS_MASK; + freq = fs_speeds[fid]; + if (data->regs[ICS932S401_REG_CTRL] & ICS932S401_CPU_ALT) { + switch (freq) { + case 166666: + freq = 160000; + break; + case 333333: + freq = 320000; + break; + } + } + } + + return sprintf(buf, "%d\n", freq); +} + +/* Calculate SRC frequency from the M/N registers. */ +static int calculate_src_freq(struct ics932s401_data *data) +{ + int m, n, freq; + + m = data->regs[ICS932S401_REG_SRC_M_CTRL] & ICS932S401_M_MASK; + n = data->regs[ICS932S401_REG_SRC_N_CTRL]; + + /* Pull in bits 8 & 9 from the M register */ + n |= ((int)data->regs[ICS932S401_REG_SRC_M_CTRL] & 0x80) << 1; + n |= ((int)data->regs[ICS932S401_REG_SRC_M_CTRL] & 0x40) << 3; + + freq = BASE_CLOCK * (n + 8) / (m + 2); + freq /= divisors[data->regs[ICS932S401_REG_PCISRC_DIVISOR] & + ICS932S401_SRC_DIVISOR_MASK]; + + return freq; +} + +static ssize_t show_src_clock(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct ics932s401_data *data = ics932s401_update_device(dev); + + return sprintf(buf, "%d\n", calculate_src_freq(data)); +} + +static ssize_t show_src_clock_sel(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct ics932s401_data *data = ics932s401_update_device(dev); + int freq; + + if (data->regs[ICS932S401_REG_CTRL] & ICS932S401_MN_ENABLED) + freq = calculate_src_freq(data); + else + /* Freq is neatly wrapped up for us */ + if (data->regs[ICS932S401_REG_CTRL] & ICS932S401_CPU_ALT && + data->regs[ICS932S401_REG_CTRL] & ICS932S401_SRC_ALT) + freq = 96000; + else + freq = 100000; + + return sprintf(buf, "%d\n", freq); +} + +/* Calculate PCI frequency from the SRC M/N registers. */ +static int calculate_pci_freq(struct ics932s401_data *data) +{ + int m, n, freq; + + m = data->regs[ICS932S401_REG_SRC_M_CTRL] & ICS932S401_M_MASK; + n = data->regs[ICS932S401_REG_SRC_N_CTRL]; + + /* Pull in bits 8 & 9 from the M register */ + n |= ((int)data->regs[ICS932S401_REG_SRC_M_CTRL] & 0x80) << 1; + n |= ((int)data->regs[ICS932S401_REG_SRC_M_CTRL] & 0x40) << 3; + + freq = BASE_CLOCK * (n + 8) / (m + 2); + freq /= divisors[data->regs[ICS932S401_REG_PCISRC_DIVISOR] >> + ICS932S401_PCI_DIVISOR_SHIFT]; + + return freq; +} + +static ssize_t show_pci_clock(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct ics932s401_data *data = ics932s401_update_device(dev); + + return sprintf(buf, "%d\n", calculate_pci_freq(data)); +} + +static ssize_t show_pci_clock_sel(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct ics932s401_data *data = ics932s401_update_device(dev); + int freq; + + if (data->regs[ICS932S401_REG_CTRL] & ICS932S401_MN_ENABLED) + freq = calculate_pci_freq(data); + else + freq = 33333; + + return sprintf(buf, "%d\n", freq); +} + +static ssize_t show_value(struct device *dev, + struct device_attribute *devattr, + char *buf); + +static ssize_t show_spread(struct device *dev, + struct device_attribute *devattr, + char *buf); + +static DEVICE_ATTR(spread_enabled, S_IRUGO, show_spread_enabled, NULL); +static DEVICE_ATTR(cpu_clock_selection, S_IRUGO, show_cpu_clock_sel, NULL); +static DEVICE_ATTR(cpu_clock, S_IRUGO, show_cpu_clock, NULL); +static DEVICE_ATTR(src_clock_selection, S_IRUGO, show_src_clock_sel, NULL); +static DEVICE_ATTR(src_clock, S_IRUGO, show_src_clock, NULL); +static DEVICE_ATTR(pci_clock_selection, S_IRUGO, show_pci_clock_sel, NULL); +static DEVICE_ATTR(pci_clock, S_IRUGO, show_pci_clock, NULL); +static DEVICE_ATTR(usb_clock, S_IRUGO, show_value, NULL); +static DEVICE_ATTR(ref_clock, S_IRUGO, show_value, NULL); +static DEVICE_ATTR(cpu_spread, S_IRUGO, show_spread, NULL); +static DEVICE_ATTR(src_spread, S_IRUGO, show_spread, NULL); + +static struct attribute *ics932s401_attr[] = +{ + &dev_attr_spread_enabled.attr, + &dev_attr_cpu_clock_selection.attr, + &dev_attr_cpu_clock.attr, + &dev_attr_src_clock_selection.attr, + &dev_attr_src_clock.attr, + &dev_attr_pci_clock_selection.attr, + &dev_attr_pci_clock.attr, + &dev_attr_usb_clock.attr, + &dev_attr_ref_clock.attr, + &dev_attr_cpu_spread.attr, + &dev_attr_src_spread.attr, + NULL +}; + +static ssize_t show_value(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + int x; + + if (devattr == &dev_attr_usb_clock) + x = 48000; + else if (devattr == &dev_attr_ref_clock) + x = BASE_CLOCK; + else + BUG(); + + return sprintf(buf, "%d\n", x); +} + +static ssize_t show_spread(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct ics932s401_data *data = ics932s401_update_device(dev); + int reg; + unsigned long val; + + if (!(data->regs[ICS932S401_REG_CFG2] & ICS932S401_CFG1_SPREAD)) + return sprintf(buf, "0%%\n"); + + if (devattr == &dev_attr_src_spread) + reg = ICS932S401_REG_SRC_SPREAD1; + else if (devattr == &dev_attr_cpu_spread) + reg = ICS932S401_REG_CPU_SPREAD1; + else + BUG(); + + val = data->regs[reg] | (data->regs[reg + 1] << 8); + val &= ICS932S401_SPREAD_MASK; + + /* Scale 0..2^14 to -0.5. */ + val = 500000 * val / 16384; + return sprintf(buf, "-0.%lu%%\n", val); +} + +/* Return 0 if detection is successful, -ENODEV otherwise */ +static int ics932s401_detect(struct i2c_client *client, int kind, + struct i2c_board_info *info) +{ + struct i2c_adapter *adapter = client->adapter; + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) + return -ENODEV; + + if (kind <= 0) { + int vendor, device, revision; + + vendor = i2c_smbus_read_word_data(client, + ICS932S401_REG_VENDOR_REV); + vendor >>= 8; + revision = vendor >> ICS932S401_REV_SHIFT; + vendor &= ICS932S401_VENDOR_MASK; + if (vendor != ICS932S401_VENDOR) + return -ENODEV; + + device = i2c_smbus_read_word_data(client, + ICS932S401_REG_DEVICE); + device >>= 8; + if (device != ICS932S401_DEVICE) + return -ENODEV; + + if (revision != ICS932S401_REV) + dev_info(&adapter->dev, "Unknown revision %d\n", + revision); + } else + dev_dbg(&adapter->dev, "detection forced\n"); + + strlcpy(info->type, "ics932s401", I2C_NAME_SIZE); + + return 0; +} + +static int ics932s401_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct ics932s401_data *data; + int err; + + data = kzalloc(sizeof(struct ics932s401_data), GFP_KERNEL); + if (!data) { + err = -ENOMEM; + goto exit; + } + + i2c_set_clientdata(client, data); + mutex_init(&data->lock); + + dev_info(&client->dev, "%s chip found\n", client->name); + + /* Register sysfs hooks */ + data->attrs.attrs = ics932s401_attr; + err = sysfs_create_group(&client->dev.kobj, &data->attrs); + if (err) + goto exit_free; + + return 0; + +exit_free: + kfree(data); +exit: + return err; +} + +static int ics932s401_remove(struct i2c_client *client) +{ + struct ics932s401_data *data = i2c_get_clientdata(client); + + sysfs_remove_group(&client->dev.kobj, &data->attrs); + kfree(data); + return 0; +} + +static int __init ics932s401_init(void) +{ + return i2c_add_driver(&ics932s401_driver); +} + +static void __exit ics932s401_exit(void) +{ + i2c_del_driver(&ics932s401_driver); +} + +MODULE_AUTHOR("Darrick J. Wong <djwong@us.ibm.com>"); +MODULE_DESCRIPTION("ICS932S401 driver"); +MODULE_LICENSE("GPL"); + +module_init(ics932s401_init); +module_exit(ics932s401_exit); + +/* IBM IntelliStation Z30 */ +MODULE_ALIAS("dmi:bvnIBM:*:rn9228:*"); +MODULE_ALIAS("dmi:bvnIBM:*:rn9232:*"); + +/* IBM x3650/x3550 */ +MODULE_ALIAS("dmi:bvnIBM:*:pnIBMSystemx3650*"); +MODULE_ALIAS("dmi:bvnIBM:*:pnIBMSystemx3550*"); diff --git a/drivers/misc/intel_menlow.c b/drivers/misc/intel_menlow.c index e00a2756e97..27b7662955b 100644 --- a/drivers/misc/intel_menlow.c +++ b/drivers/misc/intel_menlow.c @@ -52,6 +52,11 @@ MODULE_LICENSE("GPL"); #define MEMORY_ARG_CUR_BANDWIDTH 1 #define MEMORY_ARG_MAX_BANDWIDTH 0 +/* + * GTHS returning 'n' would mean that [0,n-1] states are supported + * In that case max_cstate would be n-1 + * GTHS returning '0' would mean that no bandwidth control states are supported + */ static int memory_get_int_max_bandwidth(struct thermal_cooling_device *cdev, unsigned long *max_state) { @@ -71,6 +76,9 @@ static int memory_get_int_max_bandwidth(struct thermal_cooling_device *cdev, if (ACPI_FAILURE(status)) return -EFAULT; + if (!value) + return -EINVAL; + *max_state = value - 1; return 0; } @@ -121,7 +129,7 @@ static int memory_set_cur_bandwidth(struct thermal_cooling_device *cdev, if (memory_get_int_max_bandwidth(cdev, &max_state)) return -EFAULT; - if (max_state < 0 || state > max_state) + if (state > max_state) return -EINVAL; arg_list.count = 1; diff --git a/drivers/misc/msi-laptop.c b/drivers/misc/msi-laptop.c index de898c6938f..759763d18e4 100644 --- a/drivers/misc/msi-laptop.c +++ b/drivers/misc/msi-laptop.c @@ -347,12 +347,16 @@ static int __init msi_init(void) /* Register backlight stuff */ - msibl_device = backlight_device_register("msi-laptop-bl", NULL, NULL, - &msibl_ops); - if (IS_ERR(msibl_device)) - return PTR_ERR(msibl_device); - - msibl_device->props.max_brightness = MSI_LCD_LEVEL_MAX-1; + if (acpi_video_backlight_support()) { + printk(KERN_INFO "MSI: Brightness ignored, must be controlled " + "by ACPI video driver\n"); + } else { + msibl_device = backlight_device_register("msi-laptop-bl", NULL, + NULL, &msibl_ops); + if (IS_ERR(msibl_device)) + return PTR_ERR(msibl_device); + msibl_device->props.max_brightness = MSI_LCD_LEVEL_MAX-1; + } ret = platform_driver_register(&msipf_driver); if (ret) diff --git a/drivers/misc/sony-laptop.c b/drivers/misc/sony-laptop.c index 06f07e19dc7..7bcb81002dc 100644 --- a/drivers/misc/sony-laptop.c +++ b/drivers/misc/sony-laptop.c @@ -1038,7 +1038,11 @@ static int sony_nc_add(struct acpi_device *device) goto outinput; } - if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", &handle))) { + if (!acpi_video_backlight_support()) { + printk(KERN_INFO DRV_PFX "Sony: Brightness ignored, must be " + "controlled by ACPI video driver\n"); + } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", + &handle))) { sony_backlight_device = backlight_device_register("sony", NULL, NULL, &sony_backlight_ops); diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c index 4db1cf9078d..7a4a26b0edd 100644 --- a/drivers/misc/thinkpad_acpi.c +++ b/drivers/misc/thinkpad_acpi.c @@ -4932,16 +4932,25 @@ static int __init brightness_init(struct ibm_init_struct *iibm) */ b = tpacpi_check_std_acpi_brightness_support(); if (b > 0) { - if (thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO) { - printk(TPACPI_NOTICE - "Lenovo BIOS switched to ACPI backlight " - "control mode\n"); - } - if (brightness_enable > 1) { - printk(TPACPI_NOTICE - "standard ACPI backlight interface " - "available, not loading native one...\n"); - return 1; + + if (acpi_video_backlight_support()) { + if (brightness_enable > 1) { + printk(TPACPI_NOTICE + "Standard ACPI backlight interface " + "available, not loading native one.\n"); + return 1; + } else if (brightness_enable == 1) { + printk(TPACPI_NOTICE + "Backlight control force enabled, even if standard " + "ACPI backlight interface is available\n"); + } + } else { + if (brightness_enable > 1) { + printk(TPACPI_NOTICE + "Standard ACPI backlight interface not " + "available, thinkpad_acpi native " + "brightness control enabled\n"); + } } } diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c index 0d9b2d6f9eb..f210a8ee686 100644 --- a/drivers/mmc/core/bus.c +++ b/drivers/mmc/core/bus.c @@ -216,8 +216,7 @@ int mmc_add_card(struct mmc_card *card) int ret; const char *type; - snprintf(card->dev.bus_id, sizeof(card->dev.bus_id), - "%s:%04x", mmc_hostname(card->host), card->rca); + dev_set_name(&card->dev, "%s:%04x", mmc_hostname(card->host), card->rca); switch (card->type) { case MMC_TYPE_MMC: diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 044d84eeed7..f7284b905eb 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -280,7 +280,11 @@ void mmc_set_data_timeout(struct mmc_data *data, const struct mmc_card *card) (card->host->ios.clock / 1000); if (data->flags & MMC_DATA_WRITE) - limit_us = 250000; + /* + * The limit is really 250 ms, but that is + * insufficient for some crappy cards. + */ + limit_us = 300000; else limit_us = 100000; diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index 6da80fd4d97..5e945e64ead 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -73,8 +73,7 @@ struct mmc_host *mmc_alloc_host(int extra, struct device *dev) if (err) goto free; - snprintf(host->class_dev.bus_id, BUS_ID_SIZE, - "mmc%d", host->index); + dev_set_name(&host->class_dev, "mmc%d", host->index); host->parent = dev; host->class_dev.parent = dev; @@ -121,7 +120,7 @@ int mmc_add_host(struct mmc_host *host) WARN_ON((host->caps & MMC_CAP_SDIO_IRQ) && !host->ops->enable_sdio_irq); - led_trigger_register_simple(host->class_dev.bus_id, &host->led); + led_trigger_register_simple(dev_name(&host->class_dev), &host->led); err = device_add(&host->class_dev); if (err) diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c index 233d0f9b3c4..46284b52739 100644 --- a/drivers/mmc/core/sdio_bus.c +++ b/drivers/mmc/core/sdio_bus.c @@ -239,8 +239,7 @@ int sdio_add_func(struct sdio_func *func) { int ret; - snprintf(func->dev.bus_id, sizeof(func->dev.bus_id), - "%s:%d", mmc_card_id(func->card), func->num); + dev_set_name(&func->dev, "%s:%d", mmc_card_id(func->card), func->num); ret = device_add(&func->dev); if (ret == 0) diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c index 07faf5412a1..ad00e163231 100644 --- a/drivers/mmc/host/mmc_spi.c +++ b/drivers/mmc/host/mmc_spi.c @@ -1348,7 +1348,7 @@ static int mmc_spi_probe(struct spi_device *spi) goto fail_add_host; dev_info(&spi->dev, "SD/MMC host %s%s%s%s%s\n", - mmc->class_dev.bus_id, + dev_name(&mmc->class_dev), host->dma_dev ? "" : ", no DMA", (host->pdata && host->pdata->get_ro) ? "" : ", no WP", diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 30f64b1f235..4d010a984be 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1733,7 +1733,7 @@ int sdhci_add_host(struct sdhci_host *host) mmc_add_host(mmc); printk(KERN_INFO "%s: SDHCI controller on %s [%s] using %s%s\n", - mmc_hostname(mmc), host->hw_name, mmc_dev(mmc)->bus_id, + mmc_hostname(mmc), host->hw_name, dev_name(mmc_dev(mmc)), (host->flags & SDHCI_USE_ADMA)?"A":"", (host->flags & SDHCI_USE_DMA)?"DMA":"PIO"); diff --git a/drivers/mmc/host/tifm_sd.c b/drivers/mmc/host/tifm_sd.c index 13844843e8d..82554ddec6b 100644 --- a/drivers/mmc/host/tifm_sd.c +++ b/drivers/mmc/host/tifm_sd.c @@ -632,7 +632,7 @@ static void tifm_sd_request(struct mmc_host *mmc, struct mmc_request *mrq) if (host->req) { printk(KERN_ERR "%s : unfinished request detected\n", - sock->dev.bus_id); + dev_name(&sock->dev)); mrq->cmd->error = -ETIMEDOUT; goto err_out; } @@ -672,7 +672,7 @@ static void tifm_sd_request(struct mmc_host *mmc, struct mmc_request *mrq) ? PCI_DMA_TODEVICE : PCI_DMA_FROMDEVICE)) { printk(KERN_ERR "%s : scatterlist map failed\n", - sock->dev.bus_id); + dev_name(&sock->dev)); mrq->cmd->error = -ENOMEM; goto err_out; } @@ -684,7 +684,7 @@ static void tifm_sd_request(struct mmc_host *mmc, struct mmc_request *mrq) : PCI_DMA_FROMDEVICE); if (host->sg_len < 1) { printk(KERN_ERR "%s : scatterlist map failed\n", - sock->dev.bus_id); + dev_name(&sock->dev)); tifm_unmap_sg(sock, &host->bounce_buf, 1, r_data->flags & MMC_DATA_WRITE ? PCI_DMA_TODEVICE @@ -748,7 +748,7 @@ static void tifm_sd_end_cmd(unsigned long data) if (!mrq) { printk(KERN_ERR " %s : no request to complete?\n", - sock->dev.bus_id); + dev_name(&sock->dev)); spin_unlock_irqrestore(&sock->lock, flags); return; } @@ -789,7 +789,7 @@ static void tifm_sd_abort(unsigned long data) printk(KERN_ERR "%s : card failed to respond for a long period of time " "(%x, %x)\n", - host->dev->dev.bus_id, host->req->cmd->opcode, host->cmd_flags); + dev_name(&host->dev->dev), host->req->cmd->opcode, host->cmd_flags); tifm_eject(host->dev); } @@ -906,7 +906,7 @@ static int tifm_sd_initialize_host(struct tifm_sd *host) if (rc) { printk(KERN_ERR "%s : controller failed to reset\n", - sock->dev.bus_id); + dev_name(&sock->dev)); return -ENODEV; } @@ -933,7 +933,7 @@ static int tifm_sd_initialize_host(struct tifm_sd *host) if (rc) { printk(KERN_ERR "%s : card not ready - probe failed on initialization\n", - sock->dev.bus_id); + dev_name(&sock->dev)); return -ENODEV; } @@ -954,7 +954,7 @@ static int tifm_sd_probe(struct tifm_dev *sock) if (!(TIFM_SOCK_STATE_OCCUPIED & readl(sock->addr + SOCK_PRESENT_STATE))) { printk(KERN_WARNING "%s : card gone, unexpectedly\n", - sock->dev.bus_id); + dev_name(&sock->dev)); return rc; } diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c index 3e6f5d8609e..d74ec46aa03 100644 --- a/drivers/mtd/chips/cfi_cmdset_0002.c +++ b/drivers/mtd/chips/cfi_cmdset_0002.c @@ -406,19 +406,6 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary) /* Set the default CFI lock/unlock addresses */ cfi->addr_unlock1 = 0x555; cfi->addr_unlock2 = 0x2aa; - /* Modify the unlock address if we are in compatibility mode */ - if ( /* x16 in x8 mode */ - ((cfi->device_type == CFI_DEVICETYPE_X8) && - (cfi->cfiq->InterfaceDesc == - CFI_INTERFACE_X8_BY_X16_ASYNC)) || - /* x32 in x16 mode */ - ((cfi->device_type == CFI_DEVICETYPE_X16) && - (cfi->cfiq->InterfaceDesc == - CFI_INTERFACE_X16_BY_X32_ASYNC))) - { - cfi->addr_unlock1 = 0xaaa; - cfi->addr_unlock2 = 0x555; - } } /* CFI mode */ else if (cfi->cfi_mode == CFI_MODE_JEDEC) { diff --git a/drivers/mtd/chips/jedec_probe.c b/drivers/mtd/chips/jedec_probe.c index f84ab618214..2f3f2f719ba 100644 --- a/drivers/mtd/chips/jedec_probe.c +++ b/drivers/mtd/chips/jedec_probe.c @@ -1808,9 +1808,7 @@ static inline u32 jedec_read_mfr(struct map_info *map, uint32_t base, * several first banks can contain 0x7f instead of actual ID */ do { - uint32_t ofs = cfi_build_cmd_addr(0 + (bank << 8), - cfi_interleave(cfi), - cfi->device_type); + uint32_t ofs = cfi_build_cmd_addr(0 + (bank << 8), map, cfi); mask = (1 << (cfi->device_type * 8)) - 1; result = map_read(map, base + ofs); bank++; @@ -1824,7 +1822,7 @@ static inline u32 jedec_read_id(struct map_info *map, uint32_t base, { map_word result; unsigned long mask; - u32 ofs = cfi_build_cmd_addr(1, cfi_interleave(cfi), cfi->device_type); + u32 ofs = cfi_build_cmd_addr(1, map, cfi); mask = (1 << (cfi->device_type * 8)) -1; result = map_read(map, base + ofs); return result.x[0] & mask; @@ -2067,8 +2065,8 @@ static int jedec_probe_chip(struct map_info *map, __u32 base, } /* Ensure the unlock addresses we try stay inside the map */ - probe_offset1 = cfi_build_cmd_addr(cfi->addr_unlock1, cfi_interleave(cfi), cfi->device_type); - probe_offset2 = cfi_build_cmd_addr(cfi->addr_unlock2, cfi_interleave(cfi), cfi->device_type); + probe_offset1 = cfi_build_cmd_addr(cfi->addr_unlock1, map, cfi); + probe_offset2 = cfi_build_cmd_addr(cfi->addr_unlock2, map, cfi); if ( ((base + probe_offset1 + map_bankwidth(map)) >= map->size) || ((base + probe_offset2 + map_bankwidth(map)) >= map->size)) goto retry; diff --git a/drivers/mtd/maps/cdb89712.c b/drivers/mtd/maps/cdb89712.c index e5059aa3c72..8d92d8db9a9 100644 --- a/drivers/mtd/maps/cdb89712.c +++ b/drivers/mtd/maps/cdb89712.c @@ -14,7 +14,18 @@ #include <linux/mtd/map.h> #include <linux/mtd/partitions.h> - +/* dynamic ioremap() areas */ +#define FLASH_START 0x00000000 +#define FLASH_SIZE 0x800000 +#define FLASH_WIDTH 4 + +#define SRAM_START 0x60000000 +#define SRAM_SIZE 0xc000 +#define SRAM_WIDTH 4 + +#define BOOTROM_START 0x70000000 +#define BOOTROM_SIZE 0x80 +#define BOOTROM_WIDTH 4 static struct mtd_info *flash_mtd; diff --git a/drivers/mtd/maps/h720x-flash.c b/drivers/mtd/maps/h720x-flash.c index 35fef655ccc..3b959fad1c4 100644 --- a/drivers/mtd/maps/h720x-flash.c +++ b/drivers/mtd/maps/h720x-flash.c @@ -24,8 +24,8 @@ static struct mtd_info *mymtd; static struct map_info h720x_map = { .name = "H720X", .bankwidth = 4, - .size = FLASH_SIZE, - .phys = FLASH_PHYS, + .size = H720X_FLASH_SIZE, + .phys = H720X_FLASH_PHYS, }; static struct mtd_partition h720x_partitions[] = { @@ -70,7 +70,7 @@ int __init h720x_mtd_init(void) char *part_type = NULL; - h720x_map.virt = ioremap(FLASH_PHYS, FLASH_SIZE); + h720x_map.virt = ioremap(h720x_map.phys, h720x_map.size); if (!h720x_map.virt) { printk(KERN_ERR "H720x-MTD: ioremap failed\n"); diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 430d430bce2..d07e3f14895 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -7204,10 +7204,13 @@ static void poll_bnx2(struct net_device *dev) { struct bnx2 *bp = netdev_priv(dev); + int i; - disable_irq(bp->pdev->irq); - bnx2_interrupt(bp->pdev->irq, dev); - enable_irq(bp->pdev->irq); + for (i = 0; i < bp->irq_nvecs; i++) { + disable_irq(bp->irq_tbl[i].vector); + bnx2_interrupt(bp->irq_tbl[i].vector, &bp->bnx2_napi[i]); + enable_irq(bp->irq_tbl[i].vector); + } } #endif diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c index 1ace41a13ac..2c341f83d32 100644 --- a/drivers/net/cxgb3/cxgb3_main.c +++ b/drivers/net/cxgb3/cxgb3_main.c @@ -1307,8 +1307,10 @@ static void get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) u32 fw_vers = 0; u32 tp_vers = 0; + spin_lock(&adapter->stats_lock); t3_get_fw_version(adapter, &fw_vers); t3_get_tp_version(adapter, &tp_vers); + spin_unlock(&adapter->stats_lock); strcpy(info->driver, DRV_NAME); strcpy(info->version, DRV_VERSION); @@ -2699,7 +2701,7 @@ static void set_nqsets(struct adapter *adap) int hwports = adap->params.nports; int nqsets = SGE_QSETS; - if (adap->params.rev > 0) { + if (adap->params.rev > 0 && adap->flags & USING_MSIX) { if (hwports == 2 && (hwports * nqsets > SGE_QSETS || num_cpus >= nqsets / hwports)) diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c index 968f64be374..9a0898b0dbc 100644 --- a/drivers/net/cxgb3/t3_hw.c +++ b/drivers/net/cxgb3/t3_hw.c @@ -572,7 +572,7 @@ struct t3_vpd { u32 pad; /* for multiple-of-4 sizing and alignment */ }; -#define EEPROM_MAX_POLL 4 +#define EEPROM_MAX_POLL 40 #define EEPROM_STAT_ADDR 0x4000 #define VPD_BASE 0xc00 @@ -3690,6 +3690,12 @@ int t3_prep_adapter(struct adapter *adapter, const struct adapter_info *ai, ; pti = &port_types[adapter->params.vpd.port_type[j]]; + if (!pti->phy_prep) { + CH_ALERT(adapter, "Invalid port type index %d\n", + adapter->params.vpd.port_type[j]); + return -EINVAL; + } + ret = pti->phy_prep(&p->phy, adapter, ai->phy_base_addr + j, ai->mdio_ops); if (ret) diff --git a/drivers/net/mlx4/en_netdev.c b/drivers/net/mlx4/en_netdev.c index a339afbeed3..a3f732418c4 100644 --- a/drivers/net/mlx4/en_netdev.c +++ b/drivers/net/mlx4/en_netdev.c @@ -706,7 +706,7 @@ tx_err: mlx4_en_release_rss_steer(priv); rx_err: for (i = 0; i < priv->rx_ring_num; i++) - mlx4_en_deactivate_rx_ring(priv, &priv->rx_ring[rx_index]); + mlx4_en_deactivate_rx_ring(priv, &priv->rx_ring[i]); cq_err: while (rx_index--) mlx4_en_deactivate_cq(priv, &priv->rx_cq[rx_index]); diff --git a/drivers/net/mlx4/mlx4.h b/drivers/net/mlx4/mlx4.h index fa431fad0ee..56a2e213fe6 100644 --- a/drivers/net/mlx4/mlx4.h +++ b/drivers/net/mlx4/mlx4.h @@ -87,6 +87,9 @@ enum { #ifdef CONFIG_MLX4_DEBUG extern int mlx4_debug_level; +#else /* CONFIG_MLX4_DEBUG */ +#define mlx4_debug_level (0) +#endif /* CONFIG_MLX4_DEBUG */ #define mlx4_dbg(mdev, format, arg...) \ do { \ @@ -94,12 +97,6 @@ extern int mlx4_debug_level; dev_printk(KERN_DEBUG, &mdev->pdev->dev, format, ## arg); \ } while (0) -#else /* CONFIG_MLX4_DEBUG */ - -#define mlx4_dbg(mdev, format, arg...) do { (void) mdev; } while (0) - -#endif /* CONFIG_MLX4_DEBUG */ - #define mlx4_err(mdev, format, arg...) \ dev_err(&mdev->pdev->dev, format, ## arg) #define mlx4_info(mdev, format, arg...) \ diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c index a5f428bcc0e..b3786709730 100644 --- a/drivers/net/myri10ge/myri10ge.c +++ b/drivers/net/myri10ge/myri10ge.c @@ -75,7 +75,7 @@ #include "myri10ge_mcp.h" #include "myri10ge_mcp_gen_header.h" -#define MYRI10GE_VERSION_STR "1.4.3-1.375" +#define MYRI10GE_VERSION_STR "1.4.3-1.378" MODULE_DESCRIPTION("Myricom 10G driver (10GbE)"); MODULE_AUTHOR("Maintainer: help@myri.com"); @@ -1393,6 +1393,7 @@ myri10ge_tx_done(struct myri10ge_slice_state *ss, int mcp_index) if (tx->req == tx->done) { tx->queue_active = 0; put_be32(htonl(1), tx->send_stop); + mb(); mmiowb(); } __netif_tx_unlock(dev_queue); @@ -2865,6 +2866,7 @@ again: if ((mgp->dev->real_num_tx_queues > 1) && tx->queue_active == 0) { tx->queue_active = 1; put_be32(htonl(1), tx->send_go); + mb(); mmiowb(); } tx->pkt_start++; diff --git a/drivers/net/niu.c b/drivers/net/niu.c index 9acb5d70a3a..d8463b1c3df 100644 --- a/drivers/net/niu.c +++ b/drivers/net/niu.c @@ -51,8 +51,7 @@ MODULE_VERSION(DRV_MODULE_VERSION); #ifndef readq static u64 readq(void __iomem *reg) { - return (((u64)readl(reg + 0x4UL) << 32) | - (u64)readl(reg)); + return ((u64) readl(reg)) | (((u64) readl(reg + 4UL)) << 32); } static void writeq(u64 val, void __iomem *reg) diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c index fa98af58223..cd0d0873d97 100644 --- a/drivers/net/sfc/ethtool.c +++ b/drivers/net/sfc/ethtool.c @@ -174,8 +174,8 @@ static struct efx_ethtool_stat efx_ethtool_stats[] = { /* EEPROM range with gPXE configuration */ #define EFX_ETHTOOL_EEPROM_MAGIC 0xEFAB -#define EFX_ETHTOOL_EEPROM_MIN 0x100U -#define EFX_ETHTOOL_EEPROM_MAX 0x400U +#define EFX_ETHTOOL_EEPROM_MIN 0x800U +#define EFX_ETHTOOL_EEPROM_MAX 0x1800U /************************************************************************** * diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c index 5051554ff05..1f26ab0e798 100644 --- a/drivers/net/smc911x.c +++ b/drivers/net/smc911x.c @@ -2050,7 +2050,9 @@ err_out: */ static int smc911x_drv_probe(struct platform_device *pdev) { +#ifdef SMC_DYNAMIC_BUS_CONFIG struct smc911x_platdata *pd = pdev->dev.platform_data; +#endif struct net_device *ndev; struct resource *res; struct smc911x_local *lp; @@ -2182,9 +2184,9 @@ static int smc911x_drv_resume(struct platform_device *dev) if (netif_running(ndev)) { smc911x_reset(ndev); - smc911x_enable(ndev); if (lp->phy_type != 0) smc911x_phy_configure(&lp->phy_configure); + smc911x_enable(ndev); netif_device_attach(ndev); } } diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index 1164c52e2c0..8e90891f0e4 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -2184,19 +2184,20 @@ static void hso_create_rfkill(struct hso_device *hso_dev, struct usb_interface *interface) { struct hso_net *hso_net = dev2net(hso_dev); - struct device *dev = hso_dev->dev; + struct device *dev = &hso_net->net->dev; char *rfkn; hso_net->rfkill = rfkill_allocate(&interface_to_usbdev(interface)->dev, - RFKILL_TYPE_WLAN); + RFKILL_TYPE_WWAN); if (!hso_net->rfkill) { - dev_err(dev, "%s - Out of memory", __func__); + dev_err(dev, "%s - Out of memory\n", __func__); return; } rfkn = kzalloc(20, GFP_KERNEL); if (!rfkn) { rfkill_free(hso_net->rfkill); - dev_err(dev, "%s - Out of memory", __func__); + hso_net->rfkill = NULL; + dev_err(dev, "%s - Out of memory\n", __func__); return; } snprintf(rfkn, 20, "hso-%d", @@ -2209,7 +2210,8 @@ static void hso_create_rfkill(struct hso_device *hso_dev, kfree(rfkn); hso_net->rfkill->name = NULL; rfkill_free(hso_net->rfkill); - dev_err(dev, "%s - Failed to register rfkill", __func__); + hso_net->rfkill = NULL; + dev_err(dev, "%s - Failed to register rfkill\n", __func__); return; } } diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c index 9e47d727e22..cfd4d052d66 100644 --- a/drivers/net/wireless/ath5k/base.c +++ b/drivers/net/wireless/ath5k/base.c @@ -2942,8 +2942,10 @@ static void ath5k_configure_filter(struct ieee80211_hw *hw, sc->opmode != NL80211_IFTYPE_MESH_POINT && test_bit(ATH_STAT_PROMISC, sc->status)) rfilt |= AR5K_RX_FILTER_PROM; - if (sc->opmode == NL80211_IFTYPE_ADHOC) + if (sc->opmode == NL80211_IFTYPE_STATION || + sc->opmode == NL80211_IFTYPE_ADHOC) { rfilt |= AR5K_RX_FILTER_BEACON; + } /* Set filters */ ath5k_hw_set_rx_filter(ah,rfilt); diff --git a/drivers/net/wireless/ath5k/desc.c b/drivers/net/wireless/ath5k/desc.c index dd1374052ba..5e362a7a362 100644 --- a/drivers/net/wireless/ath5k/desc.c +++ b/drivers/net/wireless/ath5k/desc.c @@ -531,10 +531,10 @@ static int ath5k_hw_proc_5210_rx_status(struct ath5k_hw *ah, AR5K_5210_RX_DESC_STATUS0_RECEIVE_SIGNAL); rs->rs_rate = AR5K_REG_MS(rx_status->rx_status_0, AR5K_5210_RX_DESC_STATUS0_RECEIVE_RATE); - rs->rs_antenna = rx_status->rx_status_0 & - AR5K_5210_RX_DESC_STATUS0_RECEIVE_ANTENNA; - rs->rs_more = rx_status->rx_status_0 & - AR5K_5210_RX_DESC_STATUS0_MORE; + rs->rs_antenna = AR5K_REG_MS(rx_status->rx_status_0, + AR5K_5210_RX_DESC_STATUS0_RECEIVE_ANTENNA); + rs->rs_more = !!(rx_status->rx_status_0 & + AR5K_5210_RX_DESC_STATUS0_MORE); /* TODO: this timestamp is 13 bit, later on we assume 15 bit */ rs->rs_tstamp = AR5K_REG_MS(rx_status->rx_status_1, AR5K_5210_RX_DESC_STATUS1_RECEIVE_TIMESTAMP); @@ -607,10 +607,10 @@ static int ath5k_hw_proc_5212_rx_status(struct ath5k_hw *ah, AR5K_5212_RX_DESC_STATUS0_RECEIVE_SIGNAL); rs->rs_rate = AR5K_REG_MS(rx_status->rx_status_0, AR5K_5212_RX_DESC_STATUS0_RECEIVE_RATE); - rs->rs_antenna = rx_status->rx_status_0 & - AR5K_5212_RX_DESC_STATUS0_RECEIVE_ANTENNA; - rs->rs_more = rx_status->rx_status_0 & - AR5K_5212_RX_DESC_STATUS0_MORE; + rs->rs_antenna = AR5K_REG_MS(rx_status->rx_status_0, + AR5K_5212_RX_DESC_STATUS0_RECEIVE_ANTENNA); + rs->rs_more = !!(rx_status->rx_status_0 & + AR5K_5212_RX_DESC_STATUS0_MORE); rs->rs_tstamp = AR5K_REG_MS(rx_status->rx_status_1, AR5K_5212_RX_DESC_STATUS1_RECEIVE_TIMESTAMP); rs->rs_status = 0; diff --git a/drivers/net/wireless/hostap/hostap_wlan.h b/drivers/net/wireless/hostap/hostap_wlan.h index ffdf4876121..a68f97c3935 100644 --- a/drivers/net/wireless/hostap/hostap_wlan.h +++ b/drivers/net/wireless/hostap/hostap_wlan.h @@ -918,9 +918,12 @@ struct hostap_interface { /* * TX meta data - stored in skb->cb buffer, so this must not be increased over - * the 40-byte limit + * the 48-byte limit. + * THE PADDING THIS STARTS WITH IS A HORRIBLE HACK THAT SHOULD NOT LIVE + * TO SEE THE DAY. */ struct hostap_skb_tx_data { + unsigned int __padding_for_default_qdiscs; u32 magic; /* HOSTAP_SKB_TX_DATA_MAGIC */ u8 rate; /* transmit rate */ #define HOSTAP_TX_FLAGS_WDS BIT(0) diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 321dbc8c034..8d690a0eb1a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -3252,7 +3252,11 @@ static void iwl4965_mac_update_tkip_key(struct ieee80211_hw *hw, return; } - iwl_scan_cancel_timeout(priv, 100); + if (iwl_scan_cancel(priv)) { + /* cancel scan failed, just live w/ bad key and rely + briefly on SW decryption */ + return; + } key_flags |= (STA_KEY_FLG_TKIP | STA_KEY_FLG_MAP_KEY_MSK); key_flags |= cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS); diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c index 3b0bee331a3..c89365e2ca5 100644 --- a/drivers/net/wireless/iwlwifi/iwl-scan.c +++ b/drivers/net/wireless/iwlwifi/iwl-scan.c @@ -896,6 +896,13 @@ static void iwl_bg_request_scan(struct work_struct *data) return; done: + /* Cannot perform scan. Make sure we clear scanning + * bits from status so next scan request can be performed. + * If we don't clear scanning status bit here all next scan + * will fail + */ + clear_bit(STATUS_SCAN_HW, &priv->status); + clear_bit(STATUS_SCANNING, &priv->status); /* inform mac80211 scan aborted */ queue_work(priv->workqueue, &priv->scan_completed); mutex_unlock(&priv->mutex); diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index d15a2c99795..285b53e7e26 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -5768,7 +5768,6 @@ static void iwl3945_alive_start(struct iwl3945_priv *priv) if (priv->error_recovering) iwl3945_error_recovery(priv); - ieee80211_notify_mac(priv->hw, IEEE80211_NOTIFY_RE_ASSOC); return; restart: @@ -6013,6 +6012,7 @@ static void iwl3945_bg_alive_start(struct work_struct *data) mutex_lock(&priv->mutex); iwl3945_alive_start(priv); mutex_unlock(&priv->mutex); + ieee80211_notify_mac(priv->hw, IEEE80211_NOTIFY_RE_ASSOC); } static void iwl3945_bg_rf_kill(struct work_struct *work) @@ -6256,6 +6256,11 @@ static void iwl3945_bg_request_scan(struct work_struct *data) n_probes, (void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]); + if (scan->channel_count == 0) { + IWL_DEBUG_SCAN("channel count %d\n", scan->channel_count); + goto done; + } + cmd.len += le16_to_cpu(scan->tx_cmd.len) + scan->channel_count * sizeof(struct iwl3945_scan_channel); cmd.data = scan; @@ -6273,6 +6278,14 @@ static void iwl3945_bg_request_scan(struct work_struct *data) return; done: + /* can not perform scan make sure we clear scanning + * bits from status so next scan request can be performed. + * if we dont clear scanning status bit here all next scan + * will fail + */ + clear_bit(STATUS_SCAN_HW, &priv->status); + clear_bit(STATUS_SCANNING, &priv->status); + /* inform mac80211 scan aborted */ queue_work(priv->workqueue, &priv->scan_completed); mutex_unlock(&priv->mutex); diff --git a/drivers/net/wireless/rtl8187_dev.c b/drivers/net/wireless/rtl8187_dev.c index 431e3c78bf2..69eb0132593 100644 --- a/drivers/net/wireless/rtl8187_dev.c +++ b/drivers/net/wireless/rtl8187_dev.c @@ -48,6 +48,9 @@ static struct usb_device_id rtl8187_table[] __devinitdata = { {USB_DEVICE(0x03f0, 0xca02), .driver_info = DEVICE_RTL8187}, /* Sitecom */ {USB_DEVICE(0x0df6, 0x000d), .driver_info = DEVICE_RTL8187}, + {USB_DEVICE(0x0df6, 0x0028), .driver_info = DEVICE_RTL8187B}, + /* Abocom */ + {USB_DEVICE(0x13d1, 0xabe6), .driver_info = DEVICE_RTL8187}, {} }; diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c index a60ae86bd5c..a3ccd8c1c71 100644 --- a/drivers/net/wireless/zd1211rw/zd_usb.c +++ b/drivers/net/wireless/zd1211rw/zd_usb.c @@ -61,6 +61,7 @@ static struct usb_device_id usb_ids[] = { { USB_DEVICE(0x0105, 0x145f), .driver_info = DEVICE_ZD1211 }, /* ZD1211B */ { USB_DEVICE(0x0ace, 0x1215), .driver_info = DEVICE_ZD1211B }, + { USB_DEVICE(0x0ace, 0xb215), .driver_info = DEVICE_ZD1211B }, { USB_DEVICE(0x157e, 0x300d), .driver_info = DEVICE_ZD1211B }, { USB_DEVICE(0x079b, 0x0062), .driver_info = DEVICE_ZD1211B }, { USB_DEVICE(0x1582, 0x6003), .driver_info = DEVICE_ZD1211B }, @@ -82,6 +83,7 @@ static struct usb_device_id usb_ids[] = { { USB_DEVICE(0x0cde, 0x001a), .driver_info = DEVICE_ZD1211B }, { USB_DEVICE(0x0586, 0x340a), .driver_info = DEVICE_ZD1211B }, { USB_DEVICE(0x0471, 0x1237), .driver_info = DEVICE_ZD1211B }, + { USB_DEVICE(0x07fa, 0x1196), .driver_info = DEVICE_ZD1211B }, /* "Driverless" devices that need ejecting */ { USB_DEVICE(0x0ace, 0x2011), .driver_info = DEVICE_INSTALLER }, { USB_DEVICE(0x0ace, 0x20ff), .driver_info = DEVICE_INSTALLER }, diff --git a/drivers/oprofile/event_buffer.c b/drivers/oprofile/event_buffer.c index d962ba0dd87..191a3202cec 100644 --- a/drivers/oprofile/event_buffer.c +++ b/drivers/oprofile/event_buffer.c @@ -105,7 +105,7 @@ static int event_buffer_open(struct inode *inode, struct file *file) if (!capable(CAP_SYS_ADMIN)) return -EPERM; - if (test_and_set_bit(0, &buffer_opened)) + if (test_and_set_bit_lock(0, &buffer_opened)) return -EBUSY; /* Register as a user of dcookies @@ -129,7 +129,7 @@ static int event_buffer_open(struct inode *inode, struct file *file) fail: dcookie_unregister(file->private_data); out: - clear_bit(0, &buffer_opened); + __clear_bit_unlock(0, &buffer_opened); return err; } @@ -141,7 +141,7 @@ static int event_buffer_release(struct inode *inode, struct file *file) dcookie_unregister(file->private_data); buffer_pos = 0; atomic_set(&buffer_ready, 0); - clear_bit(0, &buffer_opened); + __clear_bit_unlock(0, &buffer_opened); return 0; } diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index b3a63edb690..ae5ec76dca7 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -63,7 +63,7 @@ static acpi_status acpi_run_osc(acpi_handle handle, union acpi_object in_params[4]; struct acpi_buffer output = {ACPI_ALLOCATE_BUFFER, NULL}; union acpi_object *out_obj; - u32 osc_dw0, flags = osc_args->capbuf[OSC_QUERY_TYPE]; + u32 errors, flags = osc_args->capbuf[OSC_QUERY_TYPE]; /* Setting up input parameters */ input.count = 4; @@ -92,15 +92,16 @@ static acpi_status acpi_run_osc(acpi_handle handle, status = AE_TYPE; goto out_kfree; } - osc_dw0 = *((u32 *)out_obj->buffer.pointer); - if (osc_dw0) { - if (osc_dw0 & OSC_REQUEST_ERROR) + /* Need to ignore the bit0 in result code */ + errors = *((u32 *)out_obj->buffer.pointer) & ~(1 << 0); + if (errors) { + if (errors & OSC_REQUEST_ERROR) printk(KERN_DEBUG "_OSC request fails\n"); - if (osc_dw0 & OSC_INVALID_UUID_ERROR) + if (errors & OSC_INVALID_UUID_ERROR) printk(KERN_DEBUG "_OSC invalid UUID\n"); - if (osc_dw0 & OSC_INVALID_REVISION_ERROR) + if (errors & OSC_INVALID_REVISION_ERROR) printk(KERN_DEBUG "_OSC invalid revision\n"); - if (osc_dw0 & OSC_CAPABILITIES_MASK_ERROR) { + if (errors & OSC_CAPABILITIES_MASK_ERROR) { if (flags & OSC_QUERY_ENABLE) goto out_success; printk(KERN_DEBUG "_OSC FW not grant req. control\n"); diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index 110022d7868..5d72866897a 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -575,7 +575,7 @@ static int pci_mmap_fits(struct pci_dev *pdev, int resno, struct vm_area_struct nr = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; start = vma->vm_pgoff; - size = pci_resource_len(pdev, resno) >> PAGE_SHIFT; + size = ((pci_resource_len(pdev, resno) - 1) >> PAGE_SHIFT) + 1; if (start < size && size - start >= nr) return 1; WARN(1, "process \"%s\" tried to map 0x%08lx-0x%08lx on %s BAR %d (size 0x%08lx)\n", diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index bbf66ea8fd8..5049a47030a 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -1692,24 +1692,24 @@ static void __devinit quirk_brcm_570x_limit_vpd(struct pci_dev *dev) } } -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, - PCI_DEVICE_ID_NX2_5706, - quirk_brcm_570x_limit_vpd); -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, - PCI_DEVICE_ID_NX2_5706S, - quirk_brcm_570x_limit_vpd); -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, - PCI_DEVICE_ID_NX2_5708, - quirk_brcm_570x_limit_vpd); -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, - PCI_DEVICE_ID_NX2_5708S, - quirk_brcm_570x_limit_vpd); -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, - PCI_DEVICE_ID_NX2_5709, - quirk_brcm_570x_limit_vpd); -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, - PCI_DEVICE_ID_NX2_5709S, - quirk_brcm_570x_limit_vpd); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_BROADCOM, + PCI_DEVICE_ID_NX2_5706, + quirk_brcm_570x_limit_vpd); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_BROADCOM, + PCI_DEVICE_ID_NX2_5706S, + quirk_brcm_570x_limit_vpd); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_BROADCOM, + PCI_DEVICE_ID_NX2_5708, + quirk_brcm_570x_limit_vpd); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_BROADCOM, + PCI_DEVICE_ID_NX2_5708S, + quirk_brcm_570x_limit_vpd); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_BROADCOM, + PCI_DEVICE_ID_NX2_5709, + quirk_brcm_570x_limit_vpd); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_BROADCOM, + PCI_DEVICE_ID_NX2_5709S, + quirk_brcm_570x_limit_vpd); #ifdef CONFIG_PCI_MSI /* Some chipsets do not support MSI. We cannot easily rely on setting diff --git a/drivers/pci/rom.c b/drivers/pci/rom.c index 1f5f6143f35..132a78159b6 100644 --- a/drivers/pci/rom.c +++ b/drivers/pci/rom.c @@ -100,7 +100,8 @@ size_t pci_get_rom_size(void __iomem *rom, size_t size) * pci_map_rom - map a PCI ROM to kernel space * @pdev: pointer to pci device struct * @size: pointer to receive size of pci window over ROM - * @return: kernel virtual pointer to image of ROM + * + * Return: kernel virtual pointer to image of ROM * * Map a PCI ROM into kernel space. If ROM is boot video ROM, * the shadow BIOS copy will be returned instead of the @@ -167,7 +168,8 @@ void __iomem *pci_map_rom(struct pci_dev *pdev, size_t *size) * pci_map_rom_copy - map a PCI ROM to kernel space, create a copy * @pdev: pointer to pci device struct * @size: pointer to receive size of pci window over ROM - * @return: kernel virtual pointer to image of ROM + * + * Return: kernel virtual pointer to image of ROM * * Map a PCI ROM into kernel space. If ROM is boot video ROM, * the shadow BIOS copy will be returned instead of the diff --git a/drivers/ps3/ps3-lpm.c b/drivers/ps3/ps3-lpm.c index 85edf945ab8..204158cf7a5 100644 --- a/drivers/ps3/ps3-lpm.c +++ b/drivers/ps3/ps3-lpm.c @@ -22,6 +22,7 @@ #include <linux/module.h> #include <linux/interrupt.h> #include <linux/uaccess.h> +#include <asm/smp.h> #include <asm/time.h> #include <asm/ps3.h> #include <asm/lv1call.h> diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 4dada6ee111..39360e2a454 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -1,6 +1,4 @@ -menu "Voltage and Current regulators" - -config REGULATOR +menuconfig REGULATOR bool "Voltage and Current Regulator Support" default n help @@ -23,21 +21,20 @@ config REGULATOR If unsure, say no. +if REGULATOR + config REGULATOR_DEBUG bool "Regulator debug support" - depends on REGULATOR help Say yes here to enable debugging support. config REGULATOR_FIXED_VOLTAGE tristate default n - select REGULATOR config REGULATOR_VIRTUAL_CONSUMER tristate "Virtual regulator consumer support" default n - select REGULATOR help This driver provides a virtual consumer for the voltage and current regulator API which provides sysfs controls for @@ -49,7 +46,6 @@ config REGULATOR_VIRTUAL_CONSUMER config REGULATOR_BQ24022 tristate "TI bq24022 Dual Input 1-Cell Li-Ion Charger IC" default n - select REGULATOR help This driver controls a TI bq24022 Charger attached via GPIOs. The provided current regulator can enable/disable @@ -59,7 +55,6 @@ config REGULATOR_BQ24022 config REGULATOR_WM8350 tristate "Wolfson Microelectroncis WM8350 AudioPlus PMIC" depends on MFD_WM8350 - select REGULATOR help This driver provides support for the voltage and current regulators of the WM8350 AudioPlus PMIC. @@ -67,7 +62,6 @@ config REGULATOR_WM8350 config REGULATOR_WM8400 tristate "Wolfson Microelectroncis WM8400 AudioPlus PMIC" depends on MFD_WM8400 - select REGULATOR help This driver provides support for the voltage regulators of the WM8400 AudioPlus PMIC. @@ -75,9 +69,8 @@ config REGULATOR_WM8400 config REGULATOR_DA903X tristate "Support regulators on Dialog Semiconductor DA9030/DA9034 PMIC" depends on PMIC_DA903X - select REGULATOR help Say y here to support the BUCKs and LDOs regulators found on Dialog Semiconductor DA9030/DA9034 PMIC. -endmenu +endif diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 8abbb2020af..123092d8a98 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -277,6 +277,14 @@ config RTC_DRV_FM3130 This driver can also be built as a module. If so the module will be called rtc-fm3130. +config RTC_DRV_RX8581 + tristate "Epson RX-8581" + help + If you say yes here you will get support for the Epson RX-8581. + + This driver can also be built as a module. If so the module + will be called rtc-rx8581. + endif # I2C comment "SPI RTC drivers" @@ -302,6 +310,17 @@ config RTC_DRV_DS1305 This driver can also be built as a module. If so, the module will be called rtc-ds1305. +config RTC_DRV_DS1390 + tristate "Dallas/Maxim DS1390/93/94" + help + If you say yes here you get support for the DS1390/93/94 chips. + + This driver only supports the RTC feature, and not other chip + features such as alarms and trickle charging. + + This driver can also be built as a module. If so, the module + will be called rtc-ds1390. + config RTC_DRV_MAX6902 tristate "Maxim MAX6902" help @@ -468,6 +487,16 @@ config RTC_DRV_V3020 This driver can also be built as a module. If so, the module will be called rtc-v3020. +config RTC_DRV_WM8350 + tristate "Wolfson Microelectronics WM8350 RTC" + depends on MFD_WM8350 + help + If you say yes here you will get support for the RTC subsystem + of the Wolfson Microelectronics WM8350. + + This driver can also be built as a module. If so, the module + will be called "rtc-wm8350". + comment "on-CPU RTC drivers" config RTC_DRV_OMAP diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile index e9e8474cc8f..6e79c912bf9 100644 --- a/drivers/rtc/Makefile +++ b/drivers/rtc/Makefile @@ -28,6 +28,7 @@ obj-$(CONFIG_RTC_DRV_DS1302) += rtc-ds1302.o obj-$(CONFIG_RTC_DRV_DS1305) += rtc-ds1305.o obj-$(CONFIG_RTC_DRV_DS1307) += rtc-ds1307.o obj-$(CONFIG_RTC_DRV_DS1374) += rtc-ds1374.o +obj-$(CONFIG_RTC_DRV_DS1390) += rtc-ds1390.o obj-$(CONFIG_RTC_DRV_DS1511) += rtc-ds1511.o obj-$(CONFIG_RTC_DRV_DS1553) += rtc-ds1553.o obj-$(CONFIG_RTC_DRV_DS1672) += rtc-ds1672.o @@ -57,6 +58,7 @@ obj-$(CONFIG_RTC_DRV_R9701) += rtc-r9701.o obj-$(CONFIG_RTC_DRV_RS5C313) += rtc-rs5c313.o obj-$(CONFIG_RTC_DRV_RS5C348) += rtc-rs5c348.o obj-$(CONFIG_RTC_DRV_RS5C372) += rtc-rs5c372.o +obj-$(CONFIG_RTC_DRV_RX8581) += rtc-rx8581.o obj-$(CONFIG_RTC_DRV_S35390A) += rtc-s35390a.o obj-$(CONFIG_RTC_DRV_S3C) += rtc-s3c.o obj-$(CONFIG_RTC_DRV_SA1100) += rtc-sa1100.o @@ -66,4 +68,5 @@ obj-$(CONFIG_RTC_DRV_TEST) += rtc-test.o obj-$(CONFIG_RTC_DRV_TWL4030) += rtc-twl4030.o obj-$(CONFIG_RTC_DRV_V3020) += rtc-v3020.o obj-$(CONFIG_RTC_DRV_VR41XX) += rtc-vr41xx.o +obj-$(CONFIG_RTC_DRV_WM8350) += rtc-wm8350.o obj-$(CONFIG_RTC_DRV_X1205) += rtc-x1205.o diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index 7af60b98d8a..a04c1b6b157 100644 --- a/drivers/rtc/interface.c +++ b/drivers/rtc/interface.c @@ -271,7 +271,7 @@ int rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) dev_dbg(&rtc->dev, "alarm rollover: %s\n", "year"); do { alarm->time.tm_year++; - } while (!rtc_valid_tm(&alarm->time)); + } while (rtc_valid_tm(&alarm->time) != 0); break; default: diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c index 5549231179a..6cf8e282338 100644 --- a/drivers/rtc/rtc-cmos.c +++ b/drivers/rtc/rtc-cmos.c @@ -794,7 +794,7 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq) goto cleanup2; } - pr_info("%s: alarms up to one %s%s, %zd bytes nvram, %s irqs\n", + pr_info("%s: alarms up to one %s%s, %zd bytes nvram%s\n", cmos_rtc.rtc->dev.bus_id, is_valid_irq(rtc_irq) ? (cmos_rtc.mon_alrm diff --git a/drivers/rtc/rtc-ds1390.c b/drivers/rtc/rtc-ds1390.c new file mode 100644 index 00000000000..599e976bf01 --- /dev/null +++ b/drivers/rtc/rtc-ds1390.c @@ -0,0 +1,220 @@ +/* + * rtc-ds1390.c -- driver for DS1390/93/94 + * + * Copyright (C) 2008 Mercury IMC Ltd + * Written by Mark Jackson <mpfj@mimc.co.uk> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * NOTE : Currently this driver only supports the bare minimum for read + * and write the RTC. The extra features provided by the chip family + * (alarms, trickle charger, different control registers) are unavailable. + */ + +#include <linux/platform_device.h> +#include <linux/rtc.h> +#include <linux/spi/spi.h> +#include <linux/bcd.h> + +#define DS1390_REG_100THS 0x00 +#define DS1390_REG_SECONDS 0x01 +#define DS1390_REG_MINUTES 0x02 +#define DS1390_REG_HOURS 0x03 +#define DS1390_REG_DAY 0x04 +#define DS1390_REG_DATE 0x05 +#define DS1390_REG_MONTH_CENT 0x06 +#define DS1390_REG_YEAR 0x07 + +#define DS1390_REG_ALARM_100THS 0x08 +#define DS1390_REG_ALARM_SECONDS 0x09 +#define DS1390_REG_ALARM_MINUTES 0x0A +#define DS1390_REG_ALARM_HOURS 0x0B +#define DS1390_REG_ALARM_DAY_DATE 0x0C + +#define DS1390_REG_CONTROL 0x0D +#define DS1390_REG_STATUS 0x0E +#define DS1390_REG_TRICKLE 0x0F + +struct ds1390 { + struct rtc_device *rtc; + u8 txrx_buf[9]; /* cmd + 8 registers */ +}; + +static void ds1390_set_reg(struct device *dev, unsigned char address, + unsigned char data) +{ + struct spi_device *spi = to_spi_device(dev); + struct ds1390 *chip = dev_get_drvdata(dev); + + /* Set MSB to indicate write */ + chip->txrx_buf[0] = address | 0x80; + chip->txrx_buf[1] = data; + + /* do the i/o */ + spi_write_then_read(spi, chip->txrx_buf, 2, NULL, 0); +} + +static int ds1390_get_reg(struct device *dev, unsigned char address, + unsigned char *data) +{ + struct spi_device *spi = to_spi_device(dev); + struct ds1390 *chip = dev_get_drvdata(dev); + int status; + + if (!data) + return -EINVAL; + + /* Clear MSB to indicate read */ + chip->txrx_buf[0] = address & 0x7f; + /* do the i/o */ + status = spi_write_then_read(spi, chip->txrx_buf, 1, chip->txrx_buf, 1); + if (status != 0) + return status; + + *data = chip->txrx_buf[1]; + + return 0; +} + +static int ds1390_get_datetime(struct device *dev, struct rtc_time *dt) +{ + struct spi_device *spi = to_spi_device(dev); + struct ds1390 *chip = dev_get_drvdata(dev); + int status; + + /* build the message */ + chip->txrx_buf[0] = DS1390_REG_SECONDS; + + /* do the i/o */ + status = spi_write_then_read(spi, chip->txrx_buf, 1, chip->txrx_buf, 8); + if (status != 0) + return status; + + /* The chip sends data in this order: + * Seconds, Minutes, Hours, Day, Date, Month / Century, Year */ + dt->tm_sec = bcd2bin(chip->txrx_buf[0]); + dt->tm_min = bcd2bin(chip->txrx_buf[1]); + dt->tm_hour = bcd2bin(chip->txrx_buf[2]); + dt->tm_wday = bcd2bin(chip->txrx_buf[3]); + dt->tm_mday = bcd2bin(chip->txrx_buf[4]); + /* mask off century bit */ + dt->tm_mon = bcd2bin(chip->txrx_buf[5] & 0x7f) - 1; + /* adjust for century bit */ + dt->tm_year = bcd2bin(chip->txrx_buf[6]) + ((chip->txrx_buf[5] & 0x80) ? 100 : 0); + + return rtc_valid_tm(dt); +} + +static int ds1390_set_datetime(struct device *dev, struct rtc_time *dt) +{ + struct spi_device *spi = to_spi_device(dev); + struct ds1390 *chip = dev_get_drvdata(dev); + + /* build the message */ + chip->txrx_buf[0] = DS1390_REG_SECONDS | 0x80; + chip->txrx_buf[1] = bin2bcd(dt->tm_sec); + chip->txrx_buf[2] = bin2bcd(dt->tm_min); + chip->txrx_buf[3] = bin2bcd(dt->tm_hour); + chip->txrx_buf[4] = bin2bcd(dt->tm_wday); + chip->txrx_buf[5] = bin2bcd(dt->tm_mday); + chip->txrx_buf[6] = bin2bcd(dt->tm_mon + 1) | + ((dt->tm_year > 99) ? 0x80 : 0x00); + chip->txrx_buf[7] = bin2bcd(dt->tm_year % 100); + + /* do the i/o */ + return spi_write_then_read(spi, chip->txrx_buf, 8, NULL, 0); +} + +static int ds1390_read_time(struct device *dev, struct rtc_time *tm) +{ + return ds1390_get_datetime(dev, tm); +} + +static int ds1390_set_time(struct device *dev, struct rtc_time *tm) +{ + return ds1390_set_datetime(dev, tm); +} + +static const struct rtc_class_ops ds1390_rtc_ops = { + .read_time = ds1390_read_time, + .set_time = ds1390_set_time, +}; + +static int __devinit ds1390_probe(struct spi_device *spi) +{ + struct rtc_device *rtc; + unsigned char tmp; + struct ds1390 *chip; + int res; + + printk(KERN_DEBUG "DS1390 SPI RTC driver\n"); + + rtc = rtc_device_register("ds1390", + &spi->dev, &ds1390_rtc_ops, THIS_MODULE); + if (IS_ERR(rtc)) { + printk(KERN_ALERT "RTC : unable to register device\n"); + return PTR_ERR(rtc); + } + + spi->mode = SPI_MODE_3; + spi->bits_per_word = 8; + spi_setup(spi); + + chip = kzalloc(sizeof *chip, GFP_KERNEL); + if (!chip) { + printk(KERN_ALERT "RTC : unable to allocate device memory\n"); + rtc_device_unregister(rtc); + return -ENOMEM; + } + chip->rtc = rtc; + dev_set_drvdata(&spi->dev, chip); + + res = ds1390_get_reg(&spi->dev, DS1390_REG_SECONDS, &tmp); + if (res) { + printk(KERN_ALERT "RTC : unable to read device\n"); + rtc_device_unregister(rtc); + return res; + } + + return 0; +} + +static int __devexit ds1390_remove(struct spi_device *spi) +{ + struct ds1390 *chip = platform_get_drvdata(spi); + struct rtc_device *rtc = chip->rtc; + + if (rtc) + rtc_device_unregister(rtc); + + kfree(chip); + + return 0; +} + +static struct spi_driver ds1390_driver = { + .driver = { + .name = "rtc-ds1390", + .owner = THIS_MODULE, + }, + .probe = ds1390_probe, + .remove = __devexit_p(ds1390_remove), +}; + +static __init int ds1390_init(void) +{ + return spi_register_driver(&ds1390_driver); +} +module_init(ds1390_init); + +static __exit void ds1390_exit(void) +{ + spi_unregister_driver(&ds1390_driver); +} +module_exit(ds1390_exit); + +MODULE_DESCRIPTION("DS1390/93/94 SPI RTC driver"); +MODULE_AUTHOR("Mark Jackson <mpfj@mimc.co.uk>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/rtc/rtc-rx8581.c b/drivers/rtc/rtc-rx8581.c new file mode 100644 index 00000000000..c9522f3bc21 --- /dev/null +++ b/drivers/rtc/rtc-rx8581.c @@ -0,0 +1,281 @@ +/* + * An I2C driver for the Epson RX8581 RTC + * + * Author: Martyn Welch <martyn.welch@gefanuc.com> + * Copyright 2008 GE Fanuc Intelligent Platforms Embedded Systems, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Based on: rtc-pcf8563.c (An I2C driver for the Philips PCF8563 RTC) + * Copyright 2005-06 Tower Technologies + */ + +#include <linux/module.h> +#include <linux/i2c.h> +#include <linux/bcd.h> +#include <linux/rtc.h> +#include <linux/log2.h> + +#define DRV_VERSION "0.1" + +#define RX8581_REG_SC 0x00 /* Second in BCD */ +#define RX8581_REG_MN 0x01 /* Minute in BCD */ +#define RX8581_REG_HR 0x02 /* Hour in BCD */ +#define RX8581_REG_DW 0x03 /* Day of Week */ +#define RX8581_REG_DM 0x04 /* Day of Month in BCD */ +#define RX8581_REG_MO 0x05 /* Month in BCD */ +#define RX8581_REG_YR 0x06 /* Year in BCD */ +#define RX8581_REG_RAM 0x07 /* RAM */ +#define RX8581_REG_AMN 0x08 /* Alarm Min in BCD*/ +#define RX8581_REG_AHR 0x09 /* Alarm Hour in BCD */ +#define RX8581_REG_ADM 0x0A +#define RX8581_REG_ADW 0x0A +#define RX8581_REG_TMR0 0x0B +#define RX8581_REG_TMR1 0x0C +#define RX8581_REG_EXT 0x0D /* Extension Register */ +#define RX8581_REG_FLAG 0x0E /* Flag Register */ +#define RX8581_REG_CTRL 0x0F /* Control Register */ + + +/* Flag Register bit definitions */ +#define RX8581_FLAG_UF 0x20 /* Update */ +#define RX8581_FLAG_TF 0x10 /* Timer */ +#define RX8581_FLAG_AF 0x08 /* Alarm */ +#define RX8581_FLAG_VLF 0x02 /* Voltage Low */ + +/* Control Register bit definitions */ +#define RX8581_CTRL_UIE 0x20 /* Update Interrupt Enable */ +#define RX8581_CTRL_TIE 0x10 /* Timer Interrupt Enable */ +#define RX8581_CTRL_AIE 0x08 /* Alarm Interrupt Enable */ +#define RX8581_CTRL_STOP 0x02 /* STOP bit */ +#define RX8581_CTRL_RESET 0x01 /* RESET bit */ + +static struct i2c_driver rx8581_driver; + +/* + * In the routines that deal directly with the rx8581 hardware, we use + * rtc_time -- month 0-11, hour 0-23, yr = calendar year-epoch. + */ +static int rx8581_get_datetime(struct i2c_client *client, struct rtc_time *tm) +{ + unsigned char date[7]; + int data, err; + + /* First we ensure that the "update flag" is not set, we read the + * time and date then re-read the "update flag". If the update flag + * has been set, we know that the time has changed during the read so + * we repeat the whole process again. + */ + data = i2c_smbus_read_byte_data(client, RX8581_REG_FLAG); + if (data < 0) { + dev_err(&client->dev, "Unable to read device flags\n"); + return -EIO; + } + + do { + /* If update flag set, clear it */ + if (data & RX8581_FLAG_UF) { + err = i2c_smbus_write_byte_data(client, + RX8581_REG_FLAG, (data & ~RX8581_FLAG_UF)); + if (err != 0) { + dev_err(&client->dev, "Unable to write device " + "flags\n"); + return -EIO; + } + } + + /* Now read time and date */ + err = i2c_smbus_read_i2c_block_data(client, RX8581_REG_SC, + 7, date); + if (err < 0) { + dev_err(&client->dev, "Unable to read date\n"); + return -EIO; + } + + /* Check flag register */ + data = i2c_smbus_read_byte_data(client, RX8581_REG_FLAG); + if (data < 0) { + dev_err(&client->dev, "Unable to read device flags\n"); + return -EIO; + } + } while (data & RX8581_FLAG_UF); + + if (data & RX8581_FLAG_VLF) + dev_info(&client->dev, + "low voltage detected, date/time is not reliable.\n"); + + dev_dbg(&client->dev, + "%s: raw data is sec=%02x, min=%02x, hr=%02x, " + "wday=%02x, mday=%02x, mon=%02x, year=%02x\n", + __func__, + date[0], date[1], date[2], date[3], date[4], date[5], date[6]); + + tm->tm_sec = bcd2bin(date[RX8581_REG_SC] & 0x7F); + tm->tm_min = bcd2bin(date[RX8581_REG_MN] & 0x7F); + tm->tm_hour = bcd2bin(date[RX8581_REG_HR] & 0x3F); /* rtc hr 0-23 */ + tm->tm_wday = ilog2(date[RX8581_REG_DW] & 0x7F); + tm->tm_mday = bcd2bin(date[RX8581_REG_DM] & 0x3F); + tm->tm_mon = bcd2bin(date[RX8581_REG_MO] & 0x1F) - 1; /* rtc mn 1-12 */ + tm->tm_year = bcd2bin(date[RX8581_REG_YR]); + if (tm->tm_year < 70) + tm->tm_year += 100; /* assume we are in 1970...2069 */ + + + dev_dbg(&client->dev, "%s: tm is secs=%d, mins=%d, hours=%d, " + "mday=%d, mon=%d, year=%d, wday=%d\n", + __func__, + tm->tm_sec, tm->tm_min, tm->tm_hour, + tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday); + + err = rtc_valid_tm(tm); + if (err < 0) + dev_err(&client->dev, "retrieved date/time is not valid.\n"); + + return err; +} + +static int rx8581_set_datetime(struct i2c_client *client, struct rtc_time *tm) +{ + int data, err; + unsigned char buf[7]; + + dev_dbg(&client->dev, "%s: secs=%d, mins=%d, hours=%d, " + "mday=%d, mon=%d, year=%d, wday=%d\n", + __func__, + tm->tm_sec, tm->tm_min, tm->tm_hour, + tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday); + + /* hours, minutes and seconds */ + buf[RX8581_REG_SC] = bin2bcd(tm->tm_sec); + buf[RX8581_REG_MN] = bin2bcd(tm->tm_min); + buf[RX8581_REG_HR] = bin2bcd(tm->tm_hour); + + buf[RX8581_REG_DM] = bin2bcd(tm->tm_mday); + + /* month, 1 - 12 */ + buf[RX8581_REG_MO] = bin2bcd(tm->tm_mon + 1); + + /* year and century */ + buf[RX8581_REG_YR] = bin2bcd(tm->tm_year % 100); + buf[RX8581_REG_DW] = (0x1 << tm->tm_wday); + + /* Stop the clock */ + data = i2c_smbus_read_byte_data(client, RX8581_REG_CTRL); + if (data < 0) { + dev_err(&client->dev, "Unable to read control register\n"); + return -EIO; + } + + err = i2c_smbus_write_byte_data(client, RX8581_REG_FLAG, + (data | RX8581_CTRL_STOP)); + if (err < 0) { + dev_err(&client->dev, "Unable to write control register\n"); + return -EIO; + } + + /* write register's data */ + err = i2c_smbus_write_i2c_block_data(client, RX8581_REG_SC, 7, buf); + if (err < 0) { + dev_err(&client->dev, "Unable to write to date registers\n"); + return -EIO; + } + + /* Restart the clock */ + data = i2c_smbus_read_byte_data(client, RX8581_REG_CTRL); + if (data < 0) { + dev_err(&client->dev, "Unable to read control register\n"); + return -EIO; + } + + err = i2c_smbus_write_byte_data(client, RX8581_REG_FLAG, + (data | ~(RX8581_CTRL_STOP))); + if (err != 0) { + dev_err(&client->dev, "Unable to write control register\n"); + return -EIO; + } + + return 0; +} + +static int rx8581_rtc_read_time(struct device *dev, struct rtc_time *tm) +{ + return rx8581_get_datetime(to_i2c_client(dev), tm); +} + +static int rx8581_rtc_set_time(struct device *dev, struct rtc_time *tm) +{ + return rx8581_set_datetime(to_i2c_client(dev), tm); +} + +static const struct rtc_class_ops rx8581_rtc_ops = { + .read_time = rx8581_rtc_read_time, + .set_time = rx8581_rtc_set_time, +}; + +static int __devinit rx8581_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct rtc_device *rtc; + + dev_dbg(&client->dev, "%s\n", __func__); + + if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) + return -ENODEV; + + dev_info(&client->dev, "chip found, driver version " DRV_VERSION "\n"); + + rtc = rtc_device_register(rx8581_driver.driver.name, + &client->dev, &rx8581_rtc_ops, THIS_MODULE); + + if (IS_ERR(rtc)) + return PTR_ERR(rtc); + + i2c_set_clientdata(client, rtc); + + return 0; +} + +static int __devexit rx8581_remove(struct i2c_client *client) +{ + struct rtc_device *rtc = i2c_get_clientdata(client); + + rtc_device_unregister(rtc); + + return 0; +} + +static const struct i2c_device_id rx8581_id[] = { + { "rx8581", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, rx8581_id); + +static struct i2c_driver rx8581_driver = { + .driver = { + .name = "rtc-rx8581", + .owner = THIS_MODULE, + }, + .probe = rx8581_probe, + .remove = __devexit_p(rx8581_remove), + .id_table = rx8581_id, +}; + +static int __init rx8581_init(void) +{ + return i2c_add_driver(&rx8581_driver); +} + +static void __exit rx8581_exit(void) +{ + i2c_del_driver(&rx8581_driver); +} + +MODULE_AUTHOR("Martyn Welch <martyn.welch@gefanuc.com>"); +MODULE_DESCRIPTION("Epson RX-8581 RTC driver"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(DRV_VERSION); + +module_init(rx8581_init); +module_exit(rx8581_exit); diff --git a/drivers/rtc/rtc-wm8350.c b/drivers/rtc/rtc-wm8350.c new file mode 100644 index 00000000000..5c5e3aa9138 --- /dev/null +++ b/drivers/rtc/rtc-wm8350.c @@ -0,0 +1,514 @@ +/* + * Real Time Clock driver for Wolfson Microelectronics WM8350 + * + * Copyright (C) 2007, 2008 Wolfson Microelectronics PLC. + * + * Author: Liam Girdwood + * linux@wolfsonmicro.com + * + * 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 + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/time.h> +#include <linux/rtc.h> +#include <linux/bcd.h> +#include <linux/interrupt.h> +#include <linux/ioctl.h> +#include <linux/completion.h> +#include <linux/mfd/wm8350/rtc.h> +#include <linux/mfd/wm8350/core.h> +#include <linux/delay.h> +#include <linux/platform_device.h> + +#define WM8350_SET_ALM_RETRIES 5 +#define WM8350_SET_TIME_RETRIES 5 +#define WM8350_GET_TIME_RETRIES 5 + +#define to_wm8350_from_rtc_dev(d) container_of(d, struct wm8350, rtc.pdev.dev) + +/* + * Read current time and date in RTC + */ +static int wm8350_rtc_readtime(struct device *dev, struct rtc_time *tm) +{ + struct wm8350 *wm8350 = dev_get_drvdata(dev); + u16 time1[4], time2[4]; + int retries = WM8350_GET_TIME_RETRIES, ret; + + /* + * Read the time twice and compare. + * If time1 == time2, then time is valid else retry. + */ + do { + ret = wm8350_block_read(wm8350, WM8350_RTC_SECONDS_MINUTES, + 4, time1); + if (ret < 0) + return ret; + ret = wm8350_block_read(wm8350, WM8350_RTC_SECONDS_MINUTES, + 4, time2); + if (ret < 0) + return ret; + + if (memcmp(time1, time2, sizeof(time1)) == 0) { + tm->tm_sec = time1[0] & WM8350_RTC_SECS_MASK; + + tm->tm_min = (time1[0] & WM8350_RTC_MINS_MASK) + >> WM8350_RTC_MINS_SHIFT; + + tm->tm_hour = time1[1] & WM8350_RTC_HRS_MASK; + + tm->tm_wday = ((time1[1] >> WM8350_RTC_DAY_SHIFT) + & 0x7) - 1; + + tm->tm_mon = ((time1[2] & WM8350_RTC_MTH_MASK) + >> WM8350_RTC_MTH_SHIFT) - 1; + + tm->tm_mday = (time1[2] & WM8350_RTC_DATE_MASK); + + tm->tm_year = ((time1[3] & WM8350_RTC_YHUNDREDS_MASK) + >> WM8350_RTC_YHUNDREDS_SHIFT) * 100; + tm->tm_year += time1[3] & WM8350_RTC_YUNITS_MASK; + + tm->tm_yday = rtc_year_days(tm->tm_mday, tm->tm_mon, + tm->tm_year); + tm->tm_year -= 1900; + + dev_dbg(dev, "Read (%d left): %04x %04x %04x %04x\n", + retries, + time1[0], time1[1], time1[2], time1[3]); + + return 0; + } + } while (retries--); + + dev_err(dev, "timed out reading RTC time\n"); + return -EIO; +} + +/* + * Set current time and date in RTC + */ +static int wm8350_rtc_settime(struct device *dev, struct rtc_time *tm) +{ + struct wm8350 *wm8350 = dev_get_drvdata(dev); + u16 time[4]; + u16 rtc_ctrl; + int ret, retries = WM8350_SET_TIME_RETRIES; + + time[0] = tm->tm_sec; + time[0] |= tm->tm_min << WM8350_RTC_MINS_SHIFT; + time[1] = tm->tm_hour; + time[1] |= (tm->tm_wday + 1) << WM8350_RTC_DAY_SHIFT; + time[2] = tm->tm_mday; + time[2] |= (tm->tm_mon + 1) << WM8350_RTC_MTH_SHIFT; + time[3] = ((tm->tm_year + 1900) / 100) << WM8350_RTC_YHUNDREDS_SHIFT; + time[3] |= (tm->tm_year + 1900) % 100; + + dev_dbg(dev, "Setting: %04x %04x %04x %04x\n", + time[0], time[1], time[2], time[3]); + + /* Set RTC_SET to stop the clock */ + ret = wm8350_set_bits(wm8350, WM8350_RTC_TIME_CONTROL, WM8350_RTC_SET); + if (ret < 0) + return ret; + + /* Wait until confirmation of stopping */ + do { + rtc_ctrl = wm8350_reg_read(wm8350, WM8350_RTC_TIME_CONTROL); + schedule_timeout_uninterruptible(msecs_to_jiffies(1)); + } while (retries-- && !(rtc_ctrl & WM8350_RTC_STS)); + + if (!retries) { + dev_err(dev, "timed out on set confirmation\n"); + return -EIO; + } + + /* Write time to RTC */ + ret = wm8350_block_write(wm8350, WM8350_RTC_SECONDS_MINUTES, 4, time); + if (ret < 0) + return ret; + + /* Clear RTC_SET to start the clock */ + ret = wm8350_clear_bits(wm8350, WM8350_RTC_TIME_CONTROL, + WM8350_RTC_SET); + return ret; +} + +/* + * Read alarm time and date in RTC + */ +static int wm8350_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm) +{ + struct wm8350 *wm8350 = dev_get_drvdata(dev); + struct rtc_time *tm = &alrm->time; + u16 time[4]; + int ret; + + ret = wm8350_block_read(wm8350, WM8350_ALARM_SECONDS_MINUTES, 4, time); + if (ret < 0) + return ret; + + tm->tm_sec = time[0] & WM8350_RTC_ALMSECS_MASK; + if (tm->tm_sec == WM8350_RTC_ALMSECS_MASK) + tm->tm_sec = -1; + + tm->tm_min = time[0] & WM8350_RTC_ALMMINS_MASK; + if (tm->tm_min == WM8350_RTC_ALMMINS_MASK) + tm->tm_min = -1; + else + tm->tm_min >>= WM8350_RTC_ALMMINS_SHIFT; + + tm->tm_hour = time[1] & WM8350_RTC_ALMHRS_MASK; + if (tm->tm_hour == WM8350_RTC_ALMHRS_MASK) + tm->tm_hour = -1; + + tm->tm_wday = ((time[1] >> WM8350_RTC_ALMDAY_SHIFT) & 0x7) - 1; + if (tm->tm_wday > 7) + tm->tm_wday = -1; + + tm->tm_mon = time[2] & WM8350_RTC_ALMMTH_MASK; + if (tm->tm_mon == WM8350_RTC_ALMMTH_MASK) + tm->tm_mon = -1; + else + tm->tm_mon = (tm->tm_mon >> WM8350_RTC_ALMMTH_SHIFT) - 1; + + tm->tm_mday = (time[2] & WM8350_RTC_ALMDATE_MASK); + if (tm->tm_mday == WM8350_RTC_ALMDATE_MASK) + tm->tm_mday = -1; + + tm->tm_year = -1; + + alrm->enabled = !(time[3] & WM8350_RTC_ALMSTS); + + return 0; +} + +static int wm8350_rtc_stop_alarm(struct wm8350 *wm8350) +{ + int retries = WM8350_SET_ALM_RETRIES; + u16 rtc_ctrl; + int ret; + + /* Set RTC_SET to stop the clock */ + ret = wm8350_set_bits(wm8350, WM8350_RTC_TIME_CONTROL, + WM8350_RTC_ALMSET); + if (ret < 0) + return ret; + + /* Wait until confirmation of stopping */ + do { + rtc_ctrl = wm8350_reg_read(wm8350, WM8350_RTC_TIME_CONTROL); + schedule_timeout_uninterruptible(msecs_to_jiffies(1)); + } while (retries-- && !(rtc_ctrl & WM8350_RTC_ALMSTS)); + + if (!(rtc_ctrl & WM8350_RTC_ALMSTS)) + return -ETIMEDOUT; + + return 0; +} + +static int wm8350_rtc_start_alarm(struct wm8350 *wm8350) +{ + int ret; + int retries = WM8350_SET_ALM_RETRIES; + u16 rtc_ctrl; + + ret = wm8350_clear_bits(wm8350, WM8350_RTC_TIME_CONTROL, + WM8350_RTC_ALMSET); + if (ret < 0) + return ret; + + /* Wait until confirmation */ + do { + rtc_ctrl = wm8350_reg_read(wm8350, WM8350_RTC_TIME_CONTROL); + schedule_timeout_uninterruptible(msecs_to_jiffies(1)); + } while (retries-- && rtc_ctrl & WM8350_RTC_ALMSTS); + + if (rtc_ctrl & WM8350_RTC_ALMSTS) + return -ETIMEDOUT; + + return 0; +} + +static int wm8350_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm) +{ + struct wm8350 *wm8350 = dev_get_drvdata(dev); + struct rtc_time *tm = &alrm->time; + u16 time[3]; + int ret; + + memset(time, 0, sizeof(time)); + + if (tm->tm_sec != -1) + time[0] |= tm->tm_sec; + else + time[0] |= WM8350_RTC_ALMSECS_MASK; + + if (tm->tm_min != -1) + time[0] |= tm->tm_min << WM8350_RTC_ALMMINS_SHIFT; + else + time[0] |= WM8350_RTC_ALMMINS_MASK; + + if (tm->tm_hour != -1) + time[1] |= tm->tm_hour; + else + time[1] |= WM8350_RTC_ALMHRS_MASK; + + if (tm->tm_wday != -1) + time[1] |= (tm->tm_wday + 1) << WM8350_RTC_ALMDAY_SHIFT; + else + time[1] |= WM8350_RTC_ALMDAY_MASK; + + if (tm->tm_mday != -1) + time[2] |= tm->tm_mday; + else + time[2] |= WM8350_RTC_ALMDATE_MASK; + + if (tm->tm_mon != -1) + time[2] |= (tm->tm_mon + 1) << WM8350_RTC_ALMMTH_SHIFT; + else + time[2] |= WM8350_RTC_ALMMTH_MASK; + + ret = wm8350_rtc_stop_alarm(wm8350); + if (ret < 0) + return ret; + + /* Write time to RTC */ + ret = wm8350_block_write(wm8350, WM8350_ALARM_SECONDS_MINUTES, + 3, time); + if (ret < 0) + return ret; + + if (alrm->enabled) + ret = wm8350_rtc_start_alarm(wm8350); + + return ret; +} + +/* + * Handle commands from user-space + */ +static int wm8350_rtc_ioctl(struct device *dev, unsigned int cmd, + unsigned long arg) +{ + struct wm8350 *wm8350 = dev_get_drvdata(dev); + + switch (cmd) { + case RTC_AIE_OFF: + return wm8350_rtc_stop_alarm(wm8350); + case RTC_AIE_ON: + return wm8350_rtc_start_alarm(wm8350); + + case RTC_UIE_OFF: + wm8350_mask_irq(wm8350, WM8350_IRQ_RTC_SEC); + break; + case RTC_UIE_ON: + wm8350_unmask_irq(wm8350, WM8350_IRQ_RTC_SEC); + break; + + default: + return -ENOIOCTLCMD; + } + + return 0; +} + +static void wm8350_rtc_alarm_handler(struct wm8350 *wm8350, int irq, + void *data) +{ + struct rtc_device *rtc = wm8350->rtc.rtc; + int ret; + + rtc_update_irq(rtc, 1, RTC_IRQF | RTC_AF); + + /* Make it one shot */ + ret = wm8350_set_bits(wm8350, WM8350_RTC_TIME_CONTROL, + WM8350_RTC_ALMSET); + if (ret != 0) { + dev_err(&(wm8350->rtc.pdev->dev), + "Failed to disable alarm: %d\n", ret); + } +} + +static void wm8350_rtc_update_handler(struct wm8350 *wm8350, int irq, + void *data) +{ + struct rtc_device *rtc = wm8350->rtc.rtc; + + rtc_update_irq(rtc, 1, RTC_IRQF | RTC_UF); +} + +static const struct rtc_class_ops wm8350_rtc_ops = { + .ioctl = wm8350_rtc_ioctl, + .read_time = wm8350_rtc_readtime, + .set_time = wm8350_rtc_settime, + .read_alarm = wm8350_rtc_readalarm, + .set_alarm = wm8350_rtc_setalarm, +}; + +#ifdef CONFIG_PM +static int wm8350_rtc_suspend(struct platform_device *pdev, pm_message_t state) +{ + struct wm8350 *wm8350 = dev_get_drvdata(&pdev->dev); + int ret = 0; + u16 reg; + + reg = wm8350_reg_read(wm8350, WM8350_RTC_TIME_CONTROL); + + if (device_may_wakeup(&wm8350->rtc.pdev->dev) && + reg & WM8350_RTC_ALMSTS) { + ret = wm8350_rtc_stop_alarm(wm8350); + if (ret != 0) + dev_err(&pdev->dev, "Failed to stop RTC alarm: %d\n", + ret); + } + + return ret; +} + +static int wm8350_rtc_resume(struct platform_device *pdev) +{ + struct wm8350 *wm8350 = dev_get_drvdata(&pdev->dev); + int ret; + + if (wm8350->rtc.alarm_enabled) { + ret = wm8350_rtc_start_alarm(wm8350); + if (ret != 0) + dev_err(&pdev->dev, + "Failed to restart RTC alarm: %d\n", ret); + } + + return 0; +} + +#else +#define wm8350_rtc_suspend NULL +#define wm8350_rtc_resume NULL +#endif + +static int wm8350_rtc_probe(struct platform_device *pdev) +{ + struct wm8350 *wm8350 = platform_get_drvdata(pdev); + struct wm8350_rtc *wm_rtc = &wm8350->rtc; + int ret = 0; + u16 timectl, power5; + + timectl = wm8350_reg_read(wm8350, WM8350_RTC_TIME_CONTROL); + if (timectl & WM8350_RTC_BCD) { + dev_err(&pdev->dev, "RTC BCD mode not supported\n"); + return -EINVAL; + } + if (timectl & WM8350_RTC_12HR) { + dev_err(&pdev->dev, "RTC 12 hour mode not supported\n"); + return -EINVAL; + } + + /* enable the RTC if it's not already enabled */ + power5 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_5); + if (!(power5 & WM8350_RTC_TICK_ENA)) { + dev_info(wm8350->dev, "Starting RTC\n"); + + wm8350_reg_unlock(wm8350); + + ret = wm8350_set_bits(wm8350, WM8350_POWER_MGMT_5, + WM8350_RTC_TICK_ENA); + if (ret < 0) { + dev_err(&pdev->dev, "failed to enable RTC: %d\n", ret); + return ret; + } + + wm8350_reg_lock(wm8350); + } + + if (timectl & WM8350_RTC_STS) { + int retries; + + ret = wm8350_clear_bits(wm8350, WM8350_RTC_TIME_CONTROL, + WM8350_RTC_SET); + if (ret < 0) { + dev_err(&pdev->dev, "failed to start: %d\n", ret); + return ret; + } + + retries = WM8350_SET_TIME_RETRIES; + do { + timectl = wm8350_reg_read(wm8350, + WM8350_RTC_TIME_CONTROL); + } while (timectl & WM8350_RTC_STS && retries--); + + if (retries == 0) { + dev_err(&pdev->dev, "failed to start: timeout\n"); + return -ENODEV; + } + } + + device_init_wakeup(&pdev->dev, 1); + + wm_rtc->rtc = rtc_device_register("wm8350", &pdev->dev, + &wm8350_rtc_ops, THIS_MODULE); + if (IS_ERR(wm_rtc->rtc)) { + ret = PTR_ERR(wm_rtc->rtc); + dev_err(&pdev->dev, "failed to register RTC: %d\n", ret); + return ret; + } + + wm8350_mask_irq(wm8350, WM8350_IRQ_RTC_SEC); + wm8350_mask_irq(wm8350, WM8350_IRQ_RTC_PER); + + wm8350_register_irq(wm8350, WM8350_IRQ_RTC_SEC, + wm8350_rtc_update_handler, NULL); + + wm8350_register_irq(wm8350, WM8350_IRQ_RTC_ALM, + wm8350_rtc_alarm_handler, NULL); + wm8350_unmask_irq(wm8350, WM8350_IRQ_RTC_ALM); + + return 0; +} + +static int __devexit wm8350_rtc_remove(struct platform_device *pdev) +{ + struct wm8350 *wm8350 = platform_get_drvdata(pdev); + struct wm8350_rtc *wm_rtc = &wm8350->rtc; + + wm8350_mask_irq(wm8350, WM8350_IRQ_RTC_SEC); + + wm8350_free_irq(wm8350, WM8350_IRQ_RTC_SEC); + wm8350_free_irq(wm8350, WM8350_IRQ_RTC_ALM); + + rtc_device_unregister(wm_rtc->rtc); + + return 0; +} + +static struct platform_driver wm8350_rtc_driver = { + .probe = wm8350_rtc_probe, + .remove = __devexit_p(wm8350_rtc_remove), + .suspend = wm8350_rtc_suspend, + .resume = wm8350_rtc_resume, + .driver = { + .name = "wm8350-rtc", + }, +}; + +static int __init wm8350_rtc_init(void) +{ + return platform_driver_register(&wm8350_rtc_driver); +} +module_init(wm8350_rtc_init); + +static void __exit wm8350_rtc_exit(void) +{ + platform_driver_unregister(&wm8350_rtc_driver); +} +module_exit(wm8350_rtc_exit); + +MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); +MODULE_DESCRIPTION("RTC driver for the WM8350"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:wm8350-rtc"); diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c index 61fb8b6d19a..d5efd6c7790 100644 --- a/drivers/serial/atmel_serial.c +++ b/drivers/serial/atmel_serial.c @@ -1258,6 +1258,8 @@ static void __devinit atmel_init_port(struct atmel_uart_port *atmel_port, atmel_port->clk = clk_get(&pdev->dev, "usart"); clk_enable(atmel_port->clk); port->uartclk = clk_get_rate(atmel_port->clk); + clk_disable(atmel_port->clk); + /* only enable clock when USART is in use */ } atmel_port->use_dma_rx = data->use_dma_rx; @@ -1379,6 +1381,8 @@ static int __init atmel_console_setup(struct console *co, char *options) return -ENODEV; } + clk_enable(atmel_ports[co->index].clk); + UART_PUT_IDR(port, -1); UART_PUT_CR(port, ATMEL_US_RSTSTA | ATMEL_US_RSTRX); UART_PUT_CR(port, ATMEL_US_TXEN | ATMEL_US_RXEN); @@ -1403,7 +1407,7 @@ static struct console atmel_console = { .data = &atmel_uart, }; -#define ATMEL_CONSOLE_DEVICE &atmel_console +#define ATMEL_CONSOLE_DEVICE (&atmel_console) /* * Early console initialization (before VM subsystem initialized). @@ -1534,6 +1538,15 @@ static int __devinit atmel_serial_probe(struct platform_device *pdev) if (ret) goto err_add_port; + if (atmel_is_console_port(&port->uart) + && ATMEL_CONSOLE_DEVICE->flags & CON_ENABLED) { + /* + * The serial core enabled the clock for us, so undo + * the clk_enable() in atmel_console_setup() + */ + clk_disable(port->clk); + } + device_init_wakeup(&pdev->dev, 1); platform_set_drvdata(pdev, port); @@ -1544,7 +1557,6 @@ err_add_port: port->rx_ring.buf = NULL; err_alloc_ring: if (!atmel_is_console_port(&port->uart)) { - clk_disable(port->clk); clk_put(port->clk); port->clk = NULL; } @@ -1568,7 +1580,6 @@ static int __devexit atmel_serial_remove(struct platform_device *pdev) /* "port" is allocated statically, so we shouldn't free it */ - clk_disable(atmel_port->clk); clk_put(atmel_port->clk); return ret; diff --git a/drivers/spi/atmel_spi.c b/drivers/spi/atmel_spi.c index 02f9320f3ef..8abae4ad0fa 100644 --- a/drivers/spi/atmel_spi.c +++ b/drivers/spi/atmel_spi.c @@ -766,6 +766,7 @@ static int __init atmel_spi_probe(struct platform_device *pdev) /* Initialize the hardware */ clk_enable(clk); spi_writel(as, CR, SPI_BIT(SWRST)); + spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */ spi_writel(as, MR, SPI_BIT(MSTR) | SPI_BIT(MODFDIS)); spi_writel(as, PTCR, SPI_BIT(RXTDIS) | SPI_BIT(TXTDIS)); spi_writel(as, CR, SPI_BIT(SPIEN)); @@ -782,6 +783,7 @@ static int __init atmel_spi_probe(struct platform_device *pdev) out_reset_hw: spi_writel(as, CR, SPI_BIT(SWRST)); + spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */ clk_disable(clk); free_irq(irq, master); out_unmap_regs: @@ -805,6 +807,7 @@ static int __exit atmel_spi_remove(struct platform_device *pdev) spin_lock_irq(&as->lock); as->stopping = 1; spi_writel(as, CR, SPI_BIT(SWRST)); + spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */ spi_readl(as, SR); spin_unlock_irq(&as->lock); diff --git a/drivers/ssb/Kconfig b/drivers/ssb/Kconfig index 307b1f62d94..b1b947edcf0 100644 --- a/drivers/ssb/Kconfig +++ b/drivers/ssb/Kconfig @@ -1,10 +1,11 @@ -menu "Sonics Silicon Backplane" - config SSB_POSSIBLE bool depends on HAS_IOMEM && HAS_DMA default y +menu "Sonics Silicon Backplane" + depends on SSB_POSSIBLE + config SSB tristate "Sonics Silicon Backplane support" depends on SSB_POSSIBLE diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index e1654f59eb7..c95b286a123 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -21,7 +21,23 @@ menuconfig STAGING If in doubt, say N here. -if STAGING + +config STAGING_EXCLUDE_BUILD + bool "Exclude Staging drivers from being built" if STAGING + default y + ---help--- + Are you sure you really want to build the staging drivers? + They taint your kernel, don't live up to the normal Linux + kernel quality standards, are a bit crufty around the edges, + and might go off and kick your dog when you aren't paying + attention. + + Say N here to be able to select and build the Staging drivers. + This option is primarily here to prevent them from being built + when selecting 'make allyesconfg' and 'make allmodconfig' so + don't be all that put off, your dog will be just fine. + +if !STAGING_EXCLUDE_BUILD source "drivers/staging/et131x/Kconfig" @@ -45,4 +61,4 @@ source "drivers/staging/at76_usb/Kconfig" source "drivers/staging/poch/Kconfig" -endif # STAGING +endif # !STAGING_EXCLUDE_BUILD diff --git a/drivers/staging/usbip/Kconfig b/drivers/staging/usbip/Kconfig index 7426235ccc4..217fb7e62c2 100644 --- a/drivers/staging/usbip/Kconfig +++ b/drivers/staging/usbip/Kconfig @@ -1,6 +1,6 @@ config USB_IP_COMMON tristate "USB IP support (EXPERIMENTAL)" - depends on USB && EXPERIMENTAL + depends on USB && NET && EXPERIMENTAL default N ---help--- This enables pushing USB packets over IP to allow remote diff --git a/drivers/telephony/phonedev.c b/drivers/telephony/phonedev.c index 37caf4d6903..b52cc830c0b 100644 --- a/drivers/telephony/phonedev.c +++ b/drivers/telephony/phonedev.c @@ -8,7 +8,7 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. * - * Author: Alan Cox, <alan@redhat.com> + * Author: Alan Cox, <alan@lxorguk.ukuu.org.uk> * * Fixes: Mar 01 2000 Thomas Sparr, <thomas.l.sparr@telia.com> * phone_register_device now works with unit!=PHONE_UNIT_ANY diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c index b679a556b98..4e2cda93da5 100644 --- a/drivers/usb/serial/ir-usb.c +++ b/drivers/usb/serial/ir-usb.c @@ -26,7 +26,7 @@ * Introduced common header to be used also in USB Gadget Framework. * Still needs some other style fixes. * - * 2007_Jun_21 Alan Cox <alan@redhat.com> + * 2007_Jun_21 Alan Cox <alan@lxorguk.ukuu.org.uk> * Minimal cleanups for some of the driver problens and tty layer abuse. * Still needs fixing to allow multiple dongles. * diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 0f13448c6f7..3f3ce13fef4 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -2083,6 +2083,38 @@ config FB_METRONOME controller. The pre-release name for this device was 8track and could also have been called by some vendors as PVI-nnnn. +config FB_MB862XX + tristate "Fujitsu MB862xx GDC support" + depends on FB + select FB_CFB_FILLRECT + select FB_CFB_COPYAREA + select FB_CFB_IMAGEBLIT + ---help--- + Frame buffer driver for Fujitsu Carmine/Coral-P(A)/Lime controllers. + +config FB_MB862XX_PCI_GDC + bool "Carmine/Coral-P(A) GDC" + depends on PCI && FB_MB862XX + ---help--- + This enables framebuffer support for Fujitsu Carmine/Coral-P(A) + PCI graphics controller devices. + +config FB_MB862XX_LIME + bool "Lime GDC" + depends on FB_MB862XX + depends on OF && !FB_MB862XX_PCI_GDC + select FB_FOREIGN_ENDIAN + select FB_LITTLE_ENDIAN + ---help--- + Framebuffer support for Fujitsu Lime GDC on host CPU bus. + +config FB_PRE_INIT_FB + bool "Don't reinitialize, use bootloader's GDC/Display configuration" + depends on FB_MB862XX_LIME + ---help--- + Select this option if display contents should be inherited as set by + the bootloader. + source "drivers/video/omap/Kconfig" source "drivers/video/backlight/Kconfig" diff --git a/drivers/video/Makefile b/drivers/video/Makefile index 248bddc8d0b..e39e33e797d 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -122,6 +122,7 @@ obj-$(CONFIG_FB_SH_MOBILE_LCDC) += sh_mobile_lcdcfb.o obj-$(CONFIG_FB_OMAP) += omap/ obj-$(CONFIG_XEN_FBDEV_FRONTEND) += xen-fbfront.o obj-$(CONFIG_FB_CARMINE) += carminefb.o +obj-$(CONFIG_FB_MB862XX) += mb862xx/ # Platform or fallback drivers go here obj-$(CONFIG_FB_UVESA) += uvesafb.o diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c index 6048b55f287..1d5ae39cb27 100644 --- a/drivers/video/fbmem.c +++ b/drivers/video/fbmem.c @@ -1002,13 +1002,9 @@ fb_blank(struct fb_info *info, int blank) return ret; } -static long -fb_ioctl(struct file *file, unsigned int cmd, - unsigned long arg) +static long do_fb_ioctl(struct fb_info *info, unsigned int cmd, + unsigned long arg) { - struct inode *inode = file->f_path.dentry->d_inode; - int fbidx = iminor(inode); - struct fb_info *info; struct fb_ops *fb; struct fb_var_screeninfo var; struct fb_fix_screeninfo fix; @@ -1018,14 +1014,10 @@ fb_ioctl(struct file *file, unsigned int cmd, void __user *argp = (void __user *)arg; long ret = 0; - info = registered_fb[fbidx]; - mutex_lock(&info->lock); fb = info->fbops; - - if (!fb) { - mutex_unlock(&info->lock); + if (!fb) return -ENODEV; - } + switch (cmd) { case FBIOGET_VSCREENINFO: ret = copy_to_user(argp, &info->var, @@ -1126,6 +1118,21 @@ fb_ioctl(struct file *file, unsigned int cmd, else ret = fb->fb_ioctl(info, cmd, arg); } + return ret; +} + +static long fb_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +__acquires(&info->lock) +__releases(&info->lock) +{ + struct inode *inode = file->f_path.dentry->d_inode; + int fbidx = iminor(inode); + struct fb_info *info; + long ret; + + info = registered_fb[fbidx]; + mutex_lock(&info->lock); + ret = do_fb_ioctl(info, cmd, arg); mutex_unlock(&info->lock); return ret; } @@ -1157,8 +1164,8 @@ struct fb_cmap32 { compat_caddr_t transp; }; -static int fb_getput_cmap(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) +static int fb_getput_cmap(struct fb_info *info, unsigned int cmd, + unsigned long arg) { struct fb_cmap_user __user *cmap; struct fb_cmap32 __user *cmap32; @@ -1181,7 +1188,7 @@ static int fb_getput_cmap(struct inode *inode, struct file *file, put_user(compat_ptr(data), &cmap->transp)) return -EFAULT; - err = fb_ioctl(file, cmd, (unsigned long) cmap); + err = do_fb_ioctl(info, cmd, (unsigned long) cmap); if (!err) { if (copy_in_user(&cmap32->start, @@ -1223,8 +1230,8 @@ static int do_fscreeninfo_to_user(struct fb_fix_screeninfo *fix, return err; } -static int fb_get_fscreeninfo(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) +static int fb_get_fscreeninfo(struct fb_info *info, unsigned int cmd, + unsigned long arg) { mm_segment_t old_fs; struct fb_fix_screeninfo fix; @@ -1235,7 +1242,7 @@ static int fb_get_fscreeninfo(struct inode *inode, struct file *file, old_fs = get_fs(); set_fs(KERNEL_DS); - err = fb_ioctl(file, cmd, (unsigned long) &fix); + err = do_fb_ioctl(info, cmd, (unsigned long) &fix); set_fs(old_fs); if (!err) @@ -1244,8 +1251,10 @@ static int fb_get_fscreeninfo(struct inode *inode, struct file *file, return err; } -static long -fb_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +static long fb_compat_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) +__acquires(&info->lock) +__releases(&info->lock) { struct inode *inode = file->f_path.dentry->d_inode; int fbidx = iminor(inode); @@ -1262,16 +1271,16 @@ fb_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) case FBIOPUT_CON2FBMAP: arg = (unsigned long) compat_ptr(arg); case FBIOBLANK: - mutex_unlock(&info->lock); - return fb_ioctl(file, cmd, arg); + ret = do_fb_ioctl(info, cmd, arg); + break; case FBIOGET_FSCREENINFO: - ret = fb_get_fscreeninfo(inode, file, cmd, arg); + ret = fb_get_fscreeninfo(info, cmd, arg); break; case FBIOGETCMAP: case FBIOPUTCMAP: - ret = fb_getput_cmap(inode, file, cmd, arg); + ret = fb_getput_cmap(info, cmd, arg); break; default: @@ -1286,6 +1295,8 @@ fb_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) static int fb_mmap(struct file *file, struct vm_area_struct * vma) +__acquires(&info->lock) +__releases(&info->lock) { int fbidx = iminor(file->f_path.dentry->d_inode); struct fb_info *info = registered_fb[fbidx]; @@ -1339,6 +1350,8 @@ fb_mmap(struct file *file, struct vm_area_struct * vma) static int fb_open(struct inode *inode, struct file *file) +__acquires(&info->lock) +__releases(&info->lock) { int fbidx = iminor(inode); struct fb_info *info; @@ -1374,6 +1387,8 @@ out: static int fb_release(struct inode *inode, struct file *file) +__acquires(&info->lock) +__releases(&info->lock) { struct fb_info * const info = file->private_data; diff --git a/drivers/video/mb862xx/Makefile b/drivers/video/mb862xx/Makefile new file mode 100644 index 00000000000..07664814bb1 --- /dev/null +++ b/drivers/video/mb862xx/Makefile @@ -0,0 +1,5 @@ +# +# Makefile for the MB862xx framebuffer driver +# + +obj-$(CONFIG_FB_MB862XX) := mb862xxfb.o diff --git a/drivers/video/mb862xx/mb862xx_reg.h b/drivers/video/mb862xx/mb862xx_reg.h new file mode 100644 index 00000000000..2ba65e11850 --- /dev/null +++ b/drivers/video/mb862xx/mb862xx_reg.h @@ -0,0 +1,138 @@ +/* + * Fujitsu MB862xx Graphics Controller Registers/Bits + */ + +#ifndef _MB862XX_REG_H +#define _MB862XX_REG_H + +#ifdef MB862XX_MMIO_BOTTOM +#define MB862XX_MMIO_BASE 0x03fc0000 +#else +#define MB862XX_MMIO_BASE 0x01fc0000 +#endif +#define MB862XX_I2C_BASE 0x0000c000 +#define MB862XX_DISP_BASE 0x00010000 +#define MB862XX_CAP_BASE 0x00018000 +#define MB862XX_DRAW_BASE 0x00030000 +#define MB862XX_GEO_BASE 0x00038000 +#define MB862XX_PIO_BASE 0x00038000 +#define MB862XX_MMIO_SIZE 0x40000 + +/* Host interface/pio registers */ +#define GC_IST 0x00000020 +#define GC_IMASK 0x00000024 +#define GC_SRST 0x0000002c +#define GC_CCF 0x00000038 +#define GC_CID 0x000000f0 +#define GC_REVISION 0x00000084 + +#define GC_CCF_CGE_100 0x00000000 +#define GC_CCF_CGE_133 0x00040000 +#define GC_CCF_CGE_166 0x00080000 +#define GC_CCF_COT_100 0x00000000 +#define GC_CCF_COT_133 0x00010000 +#define GC_CID_CNAME_MSK 0x0000ff00 +#define GC_CID_VERSION_MSK 0x000000ff + +/* define enabled interrupts hereby */ +#define GC_INT_EN 0x00000000 + +/* Memory interface mode register */ +#define GC_MMR 0x0000fffc + +/* Display Controller registers */ +#define GC_DCM0 0x00000000 +#define GC_HTP 0x00000004 +#define GC_HDB_HDP 0x00000008 +#define GC_VSW_HSW_HSP 0x0000000c +#define GC_VTR 0x00000010 +#define GC_VDP_VSP 0x00000014 +#define GC_WY_WX 0x00000018 +#define GC_WH_WW 0x0000001c +#define GC_L0M 0x00000020 +#define GC_L0OA0 0x00000024 +#define GC_L0DA0 0x00000028 +#define GC_L0DY_L0DX 0x0000002c +#define GC_DCM1 0x00000100 +#define GC_L0EM 0x00000110 +#define GC_L0WY_L0WX 0x00000114 +#define GC_L0WH_L0WW 0x00000118 +#define GC_DCM2 0x00000104 +#define GC_DCM3 0x00000108 +#define GC_CPM_CUTC 0x000000a0 +#define GC_CUOA0 0x000000a4 +#define GC_CUY0_CUX0 0x000000a8 +#define GC_CUOA1 0x000000ac +#define GC_CUY1_CUX1 0x000000b0 +#define GC_L0PAL0 0x00000400 + +#define GC_CPM_CEN0 0x00100000 +#define GC_CPM_CEN1 0x00200000 + +#define GC_DCM01_ESY 0x00000004 +#define GC_DCM01_SC 0x00003f00 +#define GC_DCM01_RESV 0x00004000 +#define GC_DCM01_CKS 0x00008000 +#define GC_DCM01_L0E 0x00010000 +#define GC_DCM01_DEN 0x80000000 +#define GC_L0M_L0C_8 0x00000000 +#define GC_L0M_L0C_16 0x80000000 +#define GC_L0EM_L0EC_24 0x40000000 +#define GC_L0M_L0W_UNIT 64 + +#define GC_DISP_REFCLK_400 400 + +/* Carmine specific */ +#define MB86297_DRAW_BASE 0x00020000 +#define MB86297_DISP0_BASE 0x00100000 +#define MB86297_DISP1_BASE 0x00140000 +#define MB86297_WRBACK_BASE 0x00180000 +#define MB86297_CAP0_BASE 0x00200000 +#define MB86297_CAP1_BASE 0x00280000 +#define MB86297_DRAMCTRL_BASE 0x00300000 +#define MB86297_CTRL_BASE 0x00400000 +#define MB86297_I2C_BASE 0x00500000 + +#define GC_CTRL_STATUS 0x00000000 +#define GC_CTRL_INT_MASK 0x00000004 +#define GC_CTRL_CLK_ENABLE 0x0000000c +#define GC_CTRL_SOFT_RST 0x00000010 + +#define GC_CTRL_CLK_EN_DRAM 0x00000001 +#define GC_CTRL_CLK_EN_2D3D 0x00000002 +#define GC_CTRL_CLK_EN_DISP0 0x00000020 +#define GC_CTRL_CLK_EN_DISP1 0x00000040 + +#define GC_2D3D_REV 0x000004b4 +#define GC_RE_REVISION 0x24240200 + +/* define enabled interrupts hereby */ +#define GC_CARMINE_INT_EN 0x00000004 + +/* DRAM controller */ +#define GC_DCTL_MODE_ADD 0x00000000 +#define GC_DCTL_SETTIME1_EMODE 0x00000004 +#define GC_DCTL_REFRESH_SETTIME2 0x00000008 +#define GC_DCTL_RSV0_STATES 0x0000000C +#define GC_DCTL_RSV2_RSV1 0x00000010 +#define GC_DCTL_DDRIF2_DDRIF1 0x00000014 +#define GC_DCTL_IOCONT1_IOCONT0 0x00000024 + +#define GC_DCTL_STATES_MSK 0x0000000f +#define GC_DCTL_INIT_WAIT_CNT 3000 +#define GC_DCTL_INIT_WAIT_INTERVAL 1 + +/* DRAM ctrl values for Carmine PCI Eval. board */ +#define GC_EVB_DCTL_MODE_ADD 0x012105c3 +#define GC_EVB_DCTL_MODE_ADD_AFT_RST 0x002105c3 +#define GC_EVB_DCTL_SETTIME1_EMODE 0x47498000 +#define GC_EVB_DCTL_REFRESH_SETTIME2 0x00422a22 +#define GC_EVB_DCTL_RSV0_STATES 0x00200003 +#define GC_EVB_DCTL_RSV0_STATES_AFT_RST 0x00200002 +#define GC_EVB_DCTL_RSV2_RSV1 0x0000000f +#define GC_EVB_DCTL_DDRIF2_DDRIF1 0x00556646 +#define GC_EVB_DCTL_IOCONT1_IOCONT0 0x05550555 + +#define GC_DISP_REFCLK_533 533 + +#endif diff --git a/drivers/video/mb862xx/mb862xxfb.c b/drivers/video/mb862xx/mb862xxfb.c new file mode 100644 index 00000000000..38718d95fbb --- /dev/null +++ b/drivers/video/mb862xx/mb862xxfb.c @@ -0,0 +1,1061 @@ +/* + * drivers/mb862xx/mb862xxfb.c + * + * Fujitsu Carmine/Coral-P(A)/Lime framebuffer driver + * + * (C) 2008 Anatolij Gustschin <agust@denx.de> + * DENX Software Engineering + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#undef DEBUG + +#include <linux/fb.h> +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/pci.h> +#if defined(CONFIG_PPC_OF) +#include <linux/of_platform.h> +#endif +#include "mb862xxfb.h" +#include "mb862xx_reg.h" + +#define NR_PALETTE 256 +#define MB862XX_MEM_SIZE 0x1000000 +#define CORALP_MEM_SIZE 0x4000000 +#define CARMINE_MEM_SIZE 0x8000000 +#define DRV_NAME "mb862xxfb" + +#if defined(CONFIG_LWMON5) +static struct mb862xx_gc_mode lwmon5_gc_mode = { + /* Mode for Sharp LQ104V1DG61 TFT LCD Panel */ + { "640x480", 60, 640, 480, 40000, 48, 16, 32, 11, 96, 2, 0, 0, 0 }, + /* 16 bits/pixel, 32MB, 100MHz, SDRAM memory mode value */ + 16, 0x2000000, GC_CCF_COT_100, 0x414fb7f2 +}; +#endif + +#if defined(CONFIG_SOCRATES) +static struct mb862xx_gc_mode socrates_gc_mode = { + /* Mode for Prime View PM070WL4 TFT LCD Panel */ + { "800x480", 45, 800, 480, 40000, 86, 42, 33, 10, 128, 2, 0, 0, 0 }, + /* 16 bits/pixel, 16MB, 133MHz, SDRAM memory mode value */ + 16, 0x1000000, GC_CCF_COT_133, 0x4157ba63 +}; +#endif + +/* Helpers */ +static inline int h_total(struct fb_var_screeninfo *var) +{ + return var->xres + var->left_margin + + var->right_margin + var->hsync_len; +} + +static inline int v_total(struct fb_var_screeninfo *var) +{ + return var->yres + var->upper_margin + + var->lower_margin + var->vsync_len; +} + +static inline int hsp(struct fb_var_screeninfo *var) +{ + return var->xres + var->right_margin - 1; +} + +static inline int vsp(struct fb_var_screeninfo *var) +{ + return var->yres + var->lower_margin - 1; +} + +static inline int d_pitch(struct fb_var_screeninfo *var) +{ + return var->xres * var->bits_per_pixel / 8; +} + +static inline unsigned int chan_to_field(unsigned int chan, + struct fb_bitfield *bf) +{ + chan &= 0xffff; + chan >>= 16 - bf->length; + return chan << bf->offset; +} + +static int mb862xxfb_setcolreg(unsigned regno, + unsigned red, unsigned green, unsigned blue, + unsigned transp, struct fb_info *info) +{ + struct mb862xxfb_par *par = info->par; + unsigned int val; + + switch (info->fix.visual) { + case FB_VISUAL_TRUECOLOR: + if (regno < 16) { + val = chan_to_field(red, &info->var.red); + val |= chan_to_field(green, &info->var.green); + val |= chan_to_field(blue, &info->var.blue); + par->pseudo_palette[regno] = val; + } + break; + case FB_VISUAL_PSEUDOCOLOR: + if (regno < 256) { + val = (red >> 8) << 16; + val |= (green >> 8) << 8; + val |= blue >> 8; + outreg(disp, GC_L0PAL0 + (regno * 4), val); + } + break; + default: + return 1; /* unsupported type */ + } + return 0; +} + +static int mb862xxfb_check_var(struct fb_var_screeninfo *var, + struct fb_info *fbi) +{ + unsigned long tmp; + + if (fbi->dev) + dev_dbg(fbi->dev, "%s\n", __func__); + + /* check if these values fit into the registers */ + if (var->hsync_len > 255 || var->vsync_len > 255) + return -EINVAL; + + if ((var->xres + var->right_margin) >= 4096) + return -EINVAL; + + if ((var->yres + var->lower_margin) > 4096) + return -EINVAL; + + if (h_total(var) > 4096 || v_total(var) > 4096) + return -EINVAL; + + if (var->xres_virtual > 4096 || var->yres_virtual > 4096) + return -EINVAL; + + if (var->bits_per_pixel <= 8) + var->bits_per_pixel = 8; + else if (var->bits_per_pixel <= 16) + var->bits_per_pixel = 16; + else if (var->bits_per_pixel <= 32) + var->bits_per_pixel = 32; + + /* + * can cope with 8,16 or 24/32bpp if resulting + * pitch is divisible by 64 without remainder + */ + if (d_pitch(&fbi->var) % GC_L0M_L0W_UNIT) { + int r; + + var->bits_per_pixel = 0; + do { + var->bits_per_pixel += 8; + r = d_pitch(&fbi->var) % GC_L0M_L0W_UNIT; + } while (r && var->bits_per_pixel <= 32); + + if (d_pitch(&fbi->var) % GC_L0M_L0W_UNIT) + return -EINVAL; + } + + /* line length is going to be 128 bit aligned */ + tmp = (var->xres * var->bits_per_pixel) / 8; + if ((tmp & 15) != 0) + return -EINVAL; + + /* set r/g/b positions and validate bpp */ + switch (var->bits_per_pixel) { + case 8: + var->red.length = var->bits_per_pixel; + var->green.length = var->bits_per_pixel; + var->blue.length = var->bits_per_pixel; + var->red.offset = 0; + var->green.offset = 0; + var->blue.offset = 0; + var->transp.length = 0; + break; + case 16: + var->red.length = 5; + var->green.length = 5; + var->blue.length = 5; + var->red.offset = 10; + var->green.offset = 5; + var->blue.offset = 0; + var->transp.length = 0; + break; + case 24: + case 32: + var->transp.length = 8; + var->red.length = 8; + var->green.length = 8; + var->blue.length = 8; + var->transp.offset = 24; + var->red.offset = 16; + var->green.offset = 8; + var->blue.offset = 0; + break; + default: + return -EINVAL; + } + return 0; +} + +/* + * set display parameters + */ +static int mb862xxfb_set_par(struct fb_info *fbi) +{ + struct mb862xxfb_par *par = fbi->par; + unsigned long reg, sc; + + dev_dbg(par->dev, "%s\n", __func__); + + if (par->pre_init) + return 0; + + /* disp off */ + reg = inreg(disp, GC_DCM1); + reg &= ~GC_DCM01_DEN; + outreg(disp, GC_DCM1, reg); + + /* set display reference clock div. */ + sc = par->refclk / (1000000 / fbi->var.pixclock) - 1; + reg = inreg(disp, GC_DCM1); + reg &= ~(GC_DCM01_CKS | GC_DCM01_RESV | GC_DCM01_SC); + reg |= sc << 8; + outreg(disp, GC_DCM1, reg); + dev_dbg(par->dev, "SC 0x%lx\n", sc); + + /* disp dimension, format */ + reg = pack(d_pitch(&fbi->var) / GC_L0M_L0W_UNIT, + (fbi->var.yres - 1)); + if (fbi->var.bits_per_pixel == 16) + reg |= GC_L0M_L0C_16; + outreg(disp, GC_L0M, reg); + + if (fbi->var.bits_per_pixel == 32) { + reg = inreg(disp, GC_L0EM); + outreg(disp, GC_L0EM, reg | GC_L0EM_L0EC_24); + } + outreg(disp, GC_WY_WX, 0); + reg = pack(fbi->var.yres - 1, fbi->var.xres); + outreg(disp, GC_WH_WW, reg); + outreg(disp, GC_L0OA0, 0); + outreg(disp, GC_L0DA0, 0); + outreg(disp, GC_L0DY_L0DX, 0); + outreg(disp, GC_L0WY_L0WX, 0); + outreg(disp, GC_L0WH_L0WW, reg); + + /* both HW-cursors off */ + reg = inreg(disp, GC_CPM_CUTC); + reg &= ~(GC_CPM_CEN0 | GC_CPM_CEN1); + outreg(disp, GC_CPM_CUTC, reg); + + /* timings */ + reg = pack(fbi->var.xres - 1, fbi->var.xres - 1); + outreg(disp, GC_HDB_HDP, reg); + reg = pack((fbi->var.yres - 1), vsp(&fbi->var)); + outreg(disp, GC_VDP_VSP, reg); + reg = ((fbi->var.vsync_len - 1) << 24) | + pack((fbi->var.hsync_len - 1), hsp(&fbi->var)); + outreg(disp, GC_VSW_HSW_HSP, reg); + outreg(disp, GC_HTP, pack(h_total(&fbi->var) - 1, 0)); + outreg(disp, GC_VTR, pack(v_total(&fbi->var) - 1, 0)); + + /* display on */ + reg = inreg(disp, GC_DCM1); + reg |= GC_DCM01_DEN | GC_DCM01_L0E; + reg &= ~GC_DCM01_ESY; + outreg(disp, GC_DCM1, reg); + return 0; +} + +static int mb862xxfb_pan(struct fb_var_screeninfo *var, + struct fb_info *info) +{ + struct mb862xxfb_par *par = info->par; + unsigned long reg; + + reg = pack(var->yoffset, var->xoffset); + outreg(disp, GC_L0WY_L0WX, reg); + + reg = pack(var->yres_virtual, var->xres_virtual); + outreg(disp, GC_L0WH_L0WW, reg); + return 0; +} + +static int mb862xxfb_blank(int mode, struct fb_info *fbi) +{ + struct mb862xxfb_par *par = fbi->par; + unsigned long reg; + + dev_dbg(fbi->dev, "blank mode=%d\n", mode); + + switch (mode) { + case FB_BLANK_POWERDOWN: + reg = inreg(disp, GC_DCM1); + reg &= ~GC_DCM01_DEN; + outreg(disp, GC_DCM1, reg); + break; + case FB_BLANK_UNBLANK: + reg = inreg(disp, GC_DCM1); + reg |= GC_DCM01_DEN; + outreg(disp, GC_DCM1, reg); + break; + case FB_BLANK_NORMAL: + case FB_BLANK_VSYNC_SUSPEND: + case FB_BLANK_HSYNC_SUSPEND: + default: + return 1; + } + return 0; +} + +/* framebuffer ops */ +static struct fb_ops mb862xxfb_ops = { + .owner = THIS_MODULE, + .fb_check_var = mb862xxfb_check_var, + .fb_set_par = mb862xxfb_set_par, + .fb_setcolreg = mb862xxfb_setcolreg, + .fb_blank = mb862xxfb_blank, + .fb_pan_display = mb862xxfb_pan, + .fb_fillrect = cfb_fillrect, + .fb_copyarea = cfb_copyarea, + .fb_imageblit = cfb_imageblit, +}; + +/* initialize fb_info data */ +static int mb862xxfb_init_fbinfo(struct fb_info *fbi) +{ + struct mb862xxfb_par *par = fbi->par; + struct mb862xx_gc_mode *mode = par->gc_mode; + unsigned long reg; + + fbi->fbops = &mb862xxfb_ops; + fbi->pseudo_palette = par->pseudo_palette; + fbi->screen_base = par->fb_base; + fbi->screen_size = par->mapped_vram; + + strcpy(fbi->fix.id, DRV_NAME); + fbi->fix.smem_start = (unsigned long)par->fb_base_phys; + fbi->fix.smem_len = par->mapped_vram; + fbi->fix.mmio_start = (unsigned long)par->mmio_base_phys; + fbi->fix.mmio_len = par->mmio_len; + fbi->fix.accel = FB_ACCEL_NONE; + fbi->fix.type = FB_TYPE_PACKED_PIXELS; + fbi->fix.type_aux = 0; + fbi->fix.xpanstep = 1; + fbi->fix.ypanstep = 1; + fbi->fix.ywrapstep = 0; + + reg = inreg(disp, GC_DCM1); + if (reg & GC_DCM01_DEN && reg & GC_DCM01_L0E) { + /* get the disp mode from active display cfg */ + unsigned long sc = ((reg & GC_DCM01_SC) >> 8) + 1; + unsigned long hsp, vsp, ht, vt; + + dev_dbg(par->dev, "using bootloader's disp. mode\n"); + fbi->var.pixclock = (sc * 1000000) / par->refclk; + fbi->var.xres = (inreg(disp, GC_HDB_HDP) & 0x0fff) + 1; + reg = inreg(disp, GC_VDP_VSP); + fbi->var.yres = ((reg >> 16) & 0x0fff) + 1; + vsp = (reg & 0x0fff) + 1; + fbi->var.xres_virtual = fbi->var.xres; + fbi->var.yres_virtual = fbi->var.yres; + reg = inreg(disp, GC_L0EM); + if (reg & GC_L0EM_L0EC_24) { + fbi->var.bits_per_pixel = 32; + } else { + reg = inreg(disp, GC_L0M); + if (reg & GC_L0M_L0C_16) + fbi->var.bits_per_pixel = 16; + else + fbi->var.bits_per_pixel = 8; + } + reg = inreg(disp, GC_VSW_HSW_HSP); + fbi->var.hsync_len = ((reg & 0xff0000) >> 16) + 1; + fbi->var.vsync_len = ((reg & 0x3f000000) >> 24) + 1; + hsp = (reg & 0xffff) + 1; + ht = ((inreg(disp, GC_HTP) & 0xfff0000) >> 16) + 1; + fbi->var.right_margin = hsp - fbi->var.xres; + fbi->var.left_margin = ht - hsp - fbi->var.hsync_len; + vt = ((inreg(disp, GC_VTR) & 0xfff0000) >> 16) + 1; + fbi->var.lower_margin = vsp - fbi->var.yres; + fbi->var.upper_margin = vt - vsp - fbi->var.vsync_len; + } else if (mode) { + dev_dbg(par->dev, "using supplied mode\n"); + fb_videomode_to_var(&fbi->var, (struct fb_videomode *)mode); + fbi->var.bits_per_pixel = mode->def_bpp ? mode->def_bpp : 8; + } else { + int ret; + + ret = fb_find_mode(&fbi->var, fbi, "640x480-16@60", + NULL, 0, NULL, 16); + if (ret == 0 || ret == 4) { + dev_err(par->dev, + "failed to get initial mode\n"); + return -EINVAL; + } + } + + fbi->var.xoffset = 0; + fbi->var.yoffset = 0; + fbi->var.grayscale = 0; + fbi->var.nonstd = 0; + fbi->var.height = -1; + fbi->var.width = -1; + fbi->var.accel_flags = 0; + fbi->var.vmode = FB_VMODE_NONINTERLACED; + fbi->var.activate = FB_ACTIVATE_NOW; + fbi->flags = FBINFO_DEFAULT | +#ifdef __BIG_ENDIAN + FBINFO_FOREIGN_ENDIAN | +#endif + FBINFO_HWACCEL_XPAN | + FBINFO_HWACCEL_YPAN; + + /* check and possibly fix bpp */ + if ((fbi->fbops->fb_check_var)(&fbi->var, fbi)) + dev_err(par->dev, "check_var() failed on initial setup?\n"); + + fbi->fix.visual = fbi->var.bits_per_pixel == 8 ? + FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR; + fbi->fix.line_length = (fbi->var.xres_virtual * + fbi->var.bits_per_pixel) / 8; + return 0; +} + +/* + * show some display controller and cursor registers + */ +static ssize_t mb862xxfb_show_dispregs(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct fb_info *fbi = dev_get_drvdata(dev); + struct mb862xxfb_par *par = fbi->par; + char *ptr = buf; + unsigned int reg; + + for (reg = GC_DCM0; reg <= GC_L0DY_L0DX; reg += 4) + ptr += sprintf(ptr, "%08x = %08x\n", + reg, inreg(disp, reg)); + + for (reg = GC_CPM_CUTC; reg <= GC_CUY1_CUX1; reg += 4) + ptr += sprintf(ptr, "%08x = %08x\n", + reg, inreg(disp, reg)); + + for (reg = GC_DCM1; reg <= GC_L0WH_L0WW; reg += 4) + ptr += sprintf(ptr, "%08x = %08x\n", + reg, inreg(disp, reg)); + + return ptr - buf; +} + +static DEVICE_ATTR(dispregs, 0444, mb862xxfb_show_dispregs, NULL); + +irqreturn_t mb862xx_intr(int irq, void *dev_id) +{ + struct mb862xxfb_par *par = (struct mb862xxfb_par *) dev_id; + unsigned long reg_ist, mask; + + if (!par) + return IRQ_NONE; + + if (par->type == BT_CARMINE) { + /* Get Interrupt Status */ + reg_ist = inreg(ctrl, GC_CTRL_STATUS); + mask = inreg(ctrl, GC_CTRL_INT_MASK); + if (reg_ist == 0) + return IRQ_HANDLED; + + reg_ist &= mask; + if (reg_ist == 0) + return IRQ_HANDLED; + + /* Clear interrupt status */ + outreg(ctrl, 0x0, reg_ist); + } else { + /* Get status */ + reg_ist = inreg(host, GC_IST); + mask = inreg(host, GC_IMASK); + + reg_ist &= mask; + if (reg_ist == 0) + return IRQ_HANDLED; + + /* Clear status */ + outreg(host, GC_IST, ~reg_ist); + } + return IRQ_HANDLED; +} + +#if defined(CONFIG_FB_MB862XX_LIME) +/* + * GDC (Lime, Coral(B/Q), Mint, ...) on host bus + */ +static int mb862xx_gdc_init(struct mb862xxfb_par *par) +{ + unsigned long ccf, mmr; + unsigned long ver, rev; + + if (!par) + return -ENODEV; + +#if defined(CONFIG_FB_PRE_INIT_FB) + par->pre_init = 1; +#endif + par->host = par->mmio_base; + par->i2c = par->mmio_base + MB862XX_I2C_BASE; + par->disp = par->mmio_base + MB862XX_DISP_BASE; + par->cap = par->mmio_base + MB862XX_CAP_BASE; + par->draw = par->mmio_base + MB862XX_DRAW_BASE; + par->geo = par->mmio_base + MB862XX_GEO_BASE; + par->pio = par->mmio_base + MB862XX_PIO_BASE; + + par->refclk = GC_DISP_REFCLK_400; + + ver = inreg(host, GC_CID); + rev = inreg(pio, GC_REVISION); + if ((ver == 0x303) && (rev & 0xffffff00) == 0x20050100) { + dev_info(par->dev, "Fujitsu Lime v1.%d found\n", + (int)rev & 0xff); + par->type = BT_LIME; + ccf = par->gc_mode ? par->gc_mode->ccf : GC_CCF_COT_100; + mmr = par->gc_mode ? par->gc_mode->mmr : 0x414fb7f2; + } else { + dev_info(par->dev, "? GDC, CID/Rev.: 0x%lx/0x%lx \n", ver, rev); + return -ENODEV; + } + + if (!par->pre_init) { + outreg(host, GC_CCF, ccf); + udelay(200); + outreg(host, GC_MMR, mmr); + udelay(10); + } + + /* interrupt status */ + outreg(host, GC_IST, 0); + outreg(host, GC_IMASK, GC_INT_EN); + return 0; +} + +static int __devinit of_platform_mb862xx_probe(struct of_device *ofdev, + const struct of_device_id *id) +{ + struct device_node *np = ofdev->node; + struct device *dev = &ofdev->dev; + struct mb862xxfb_par *par; + struct fb_info *info; + struct resource res; + resource_size_t res_size; + unsigned long ret = -ENODEV; + + if (of_address_to_resource(np, 0, &res)) { + dev_err(dev, "Invalid address\n"); + return -ENXIO; + } + + info = framebuffer_alloc(sizeof(struct mb862xxfb_par), dev); + if (info == NULL) { + dev_err(dev, "cannot allocate framebuffer\n"); + return -ENOMEM; + } + + par = info->par; + par->info = info; + par->dev = dev; + + par->irq = irq_of_parse_and_map(np, 0); + if (par->irq == NO_IRQ) { + dev_err(dev, "failed to map irq\n"); + ret = -ENODEV; + goto fbrel; + } + + res_size = 1 + res.end - res.start; + par->res = request_mem_region(res.start, res_size, DRV_NAME); + if (par->res == NULL) { + dev_err(dev, "Cannot claim framebuffer/mmio\n"); + ret = -ENXIO; + goto irqdisp; + } + +#if defined(CONFIG_LWMON5) + par->gc_mode = &lwmon5_gc_mode; +#endif + +#if defined(CONFIG_SOCRATES) + par->gc_mode = &socrates_gc_mode; +#endif + + par->fb_base_phys = res.start; + par->mmio_base_phys = res.start + MB862XX_MMIO_BASE; + par->mmio_len = MB862XX_MMIO_SIZE; + if (par->gc_mode) + par->mapped_vram = par->gc_mode->max_vram; + else + par->mapped_vram = MB862XX_MEM_SIZE; + + par->fb_base = ioremap(par->fb_base_phys, par->mapped_vram); + if (par->fb_base == NULL) { + dev_err(dev, "Cannot map framebuffer\n"); + goto rel_reg; + } + + par->mmio_base = ioremap(par->mmio_base_phys, par->mmio_len); + if (par->mmio_base == NULL) { + dev_err(dev, "Cannot map registers\n"); + goto fb_unmap; + } + + dev_dbg(dev, "fb phys 0x%llx 0x%lx\n", + (u64)par->fb_base_phys, (ulong)par->mapped_vram); + dev_dbg(dev, "mmio phys 0x%llx 0x%lx, (irq = %d)\n", + (u64)par->mmio_base_phys, (ulong)par->mmio_len, par->irq); + + if (mb862xx_gdc_init(par)) + goto io_unmap; + + if (request_irq(par->irq, mb862xx_intr, IRQF_DISABLED, + DRV_NAME, (void *)par)) { + dev_err(dev, "Cannot request irq\n"); + goto io_unmap; + } + + mb862xxfb_init_fbinfo(info); + + if (fb_alloc_cmap(&info->cmap, NR_PALETTE, 0) < 0) { + dev_err(dev, "Could not allocate cmap for fb_info.\n"); + goto free_irq; + } + + if ((info->fbops->fb_set_par)(info)) + dev_err(dev, "set_var() failed on initial setup?\n"); + + if (register_framebuffer(info)) { + dev_err(dev, "failed to register framebuffer\n"); + goto rel_cmap; + } + + dev_set_drvdata(dev, info); + + if (device_create_file(dev, &dev_attr_dispregs)) + dev_err(dev, "Can't create sysfs regdump file\n"); + return 0; + +rel_cmap: + fb_dealloc_cmap(&info->cmap); +free_irq: + outreg(host, GC_IMASK, 0); + free_irq(par->irq, (void *)par); +io_unmap: + iounmap(par->mmio_base); +fb_unmap: + iounmap(par->fb_base); +rel_reg: + release_mem_region(res.start, res_size); +irqdisp: + irq_dispose_mapping(par->irq); +fbrel: + dev_set_drvdata(dev, NULL); + framebuffer_release(info); + return ret; +} + +static int __devexit of_platform_mb862xx_remove(struct of_device *ofdev) +{ + struct fb_info *fbi = dev_get_drvdata(&ofdev->dev); + struct mb862xxfb_par *par = fbi->par; + resource_size_t res_size = 1 + par->res->end - par->res->start; + unsigned long reg; + + dev_dbg(fbi->dev, "%s release\n", fbi->fix.id); + + /* display off */ + reg = inreg(disp, GC_DCM1); + reg &= ~(GC_DCM01_DEN | GC_DCM01_L0E); + outreg(disp, GC_DCM1, reg); + + /* disable interrupts */ + outreg(host, GC_IMASK, 0); + + free_irq(par->irq, (void *)par); + irq_dispose_mapping(par->irq); + + device_remove_file(&ofdev->dev, &dev_attr_dispregs); + + unregister_framebuffer(fbi); + fb_dealloc_cmap(&fbi->cmap); + + iounmap(par->mmio_base); + iounmap(par->fb_base); + + dev_set_drvdata(&ofdev->dev, NULL); + release_mem_region(par->res->start, res_size); + framebuffer_release(fbi); + return 0; +} + +/* + * common types + */ +static struct of_device_id __devinitdata of_platform_mb862xx_tbl[] = { + { .compatible = "fujitsu,MB86276", }, + { .compatible = "fujitsu,lime", }, + { .compatible = "fujitsu,MB86277", }, + { .compatible = "fujitsu,mint", }, + { .compatible = "fujitsu,MB86293", }, + { .compatible = "fujitsu,MB86294", }, + { .compatible = "fujitsu,coral", }, + { /* end */ } +}; + +static struct of_platform_driver of_platform_mb862xxfb_driver = { + .owner = THIS_MODULE, + .name = DRV_NAME, + .match_table = of_platform_mb862xx_tbl, + .probe = of_platform_mb862xx_probe, + .remove = __devexit_p(of_platform_mb862xx_remove), +}; +#endif + +#if defined(CONFIG_FB_MB862XX_PCI_GDC) +static int coralp_init(struct mb862xxfb_par *par) +{ + int cn, ver; + + par->host = par->mmio_base; + par->i2c = par->mmio_base + MB862XX_I2C_BASE; + par->disp = par->mmio_base + MB862XX_DISP_BASE; + par->cap = par->mmio_base + MB862XX_CAP_BASE; + par->draw = par->mmio_base + MB862XX_DRAW_BASE; + par->geo = par->mmio_base + MB862XX_GEO_BASE; + par->pio = par->mmio_base + MB862XX_PIO_BASE; + + par->refclk = GC_DISP_REFCLK_400; + + ver = inreg(host, GC_CID); + cn = (ver & GC_CID_CNAME_MSK) >> 8; + ver = ver & GC_CID_VERSION_MSK; + if (cn == 3) { + dev_info(par->dev, "Fujitsu Coral-%s GDC Rev.%d found\n",\ + (ver == 6) ? "P" : (ver == 8) ? "PA" : "?", + par->pdev->revision); + outreg(host, GC_CCF, GC_CCF_CGE_166 | GC_CCF_COT_133); + udelay(200); + outreg(host, GC_MMR, GC_MMR_CORALP_EVB_VAL); + udelay(10); + /* Clear interrupt status */ + outreg(host, GC_IST, 0); + } else { + return -ENODEV; + } + return 0; +} + +static int init_dram_ctrl(struct mb862xxfb_par *par) +{ + unsigned long i = 0; + + /* + * Set io mode first! Spec. says IC may be destroyed + * if not set to SSTL2/LVCMOS before init. + */ + outreg(dram_ctrl, GC_DCTL_IOCONT1_IOCONT0, GC_EVB_DCTL_IOCONT1_IOCONT0); + + /* DRAM init */ + outreg(dram_ctrl, GC_DCTL_MODE_ADD, GC_EVB_DCTL_MODE_ADD); + outreg(dram_ctrl, GC_DCTL_SETTIME1_EMODE, GC_EVB_DCTL_SETTIME1_EMODE); + outreg(dram_ctrl, GC_DCTL_REFRESH_SETTIME2, + GC_EVB_DCTL_REFRESH_SETTIME2); + outreg(dram_ctrl, GC_DCTL_RSV2_RSV1, GC_EVB_DCTL_RSV2_RSV1); + outreg(dram_ctrl, GC_DCTL_DDRIF2_DDRIF1, GC_EVB_DCTL_DDRIF2_DDRIF1); + outreg(dram_ctrl, GC_DCTL_RSV0_STATES, GC_EVB_DCTL_RSV0_STATES); + + /* DLL reset done? */ + while ((inreg(dram_ctrl, GC_DCTL_RSV0_STATES) & GC_DCTL_STATES_MSK)) { + udelay(GC_DCTL_INIT_WAIT_INTERVAL); + if (i++ > GC_DCTL_INIT_WAIT_CNT) { + dev_err(par->dev, "VRAM init failed.\n"); + return -EINVAL; + } + } + outreg(dram_ctrl, GC_DCTL_MODE_ADD, GC_EVB_DCTL_MODE_ADD_AFT_RST); + outreg(dram_ctrl, GC_DCTL_RSV0_STATES, GC_EVB_DCTL_RSV0_STATES_AFT_RST); + return 0; +} + +static int carmine_init(struct mb862xxfb_par *par) +{ + unsigned long reg; + + par->ctrl = par->mmio_base + MB86297_CTRL_BASE; + par->i2c = par->mmio_base + MB86297_I2C_BASE; + par->disp = par->mmio_base + MB86297_DISP0_BASE; + par->disp1 = par->mmio_base + MB86297_DISP1_BASE; + par->cap = par->mmio_base + MB86297_CAP0_BASE; + par->cap1 = par->mmio_base + MB86297_CAP1_BASE; + par->draw = par->mmio_base + MB86297_DRAW_BASE; + par->dram_ctrl = par->mmio_base + MB86297_DRAMCTRL_BASE; + par->wrback = par->mmio_base + MB86297_WRBACK_BASE; + + par->refclk = GC_DISP_REFCLK_533; + + /* warm up */ + reg = GC_CTRL_CLK_EN_DRAM | GC_CTRL_CLK_EN_2D3D | GC_CTRL_CLK_EN_DISP0; + outreg(ctrl, GC_CTRL_CLK_ENABLE, reg); + + /* check for engine module revision */ + if (inreg(draw, GC_2D3D_REV) == GC_RE_REVISION) + dev_info(par->dev, "Fujitsu Carmine GDC Rev.%d found\n", + par->pdev->revision); + else + goto err_init; + + reg &= ~GC_CTRL_CLK_EN_2D3D; + outreg(ctrl, GC_CTRL_CLK_ENABLE, reg); + + /* set up vram */ + if (init_dram_ctrl(par) < 0) + goto err_init; + + outreg(ctrl, GC_CTRL_INT_MASK, 0); + return 0; + +err_init: + outreg(ctrl, GC_CTRL_CLK_ENABLE, 0); + return -EINVAL; +} + +static inline int mb862xx_pci_gdc_init(struct mb862xxfb_par *par) +{ + switch (par->type) { + case BT_CORALP: + return coralp_init(par); + case BT_CARMINE: + return carmine_init(par); + default: + return -ENODEV; + } +} + +#define CHIP_ID(id) \ + { PCI_DEVICE(PCI_VENDOR_ID_FUJITSU_LIMITED, id) } + +static struct pci_device_id mb862xx_pci_tbl[] __devinitdata = { + /* MB86295/MB86296 */ + CHIP_ID(PCI_DEVICE_ID_FUJITSU_CORALP), + CHIP_ID(PCI_DEVICE_ID_FUJITSU_CORALPA), + /* MB86297 */ + CHIP_ID(PCI_DEVICE_ID_FUJITSU_CARMINE), + { 0, } +}; + +MODULE_DEVICE_TABLE(pci, mb862xx_pci_tbl); + +static int __devinit mb862xx_pci_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + struct mb862xxfb_par *par; + struct fb_info *info; + struct device *dev = &pdev->dev; + int ret; + + ret = pci_enable_device(pdev); + if (ret < 0) { + dev_err(dev, "Cannot enable PCI device\n"); + goto out; + } + + info = framebuffer_alloc(sizeof(struct mb862xxfb_par), dev); + if (!info) { + dev_err(dev, "framebuffer alloc failed\n"); + ret = -ENOMEM; + goto dis_dev; + } + + par = info->par; + par->info = info; + par->dev = dev; + par->pdev = pdev; + par->irq = pdev->irq; + + ret = pci_request_regions(pdev, DRV_NAME); + if (ret < 0) { + dev_err(dev, "Cannot reserve region(s) for PCI device\n"); + goto rel_fb; + } + + switch (pdev->device) { + case PCI_DEVICE_ID_FUJITSU_CORALP: + case PCI_DEVICE_ID_FUJITSU_CORALPA: + par->fb_base_phys = pci_resource_start(par->pdev, 0); + par->mapped_vram = CORALP_MEM_SIZE; + par->mmio_base_phys = par->fb_base_phys + MB862XX_MMIO_BASE; + par->mmio_len = MB862XX_MMIO_SIZE; + par->type = BT_CORALP; + break; + case PCI_DEVICE_ID_FUJITSU_CARMINE: + par->fb_base_phys = pci_resource_start(par->pdev, 2); + par->mmio_base_phys = pci_resource_start(par->pdev, 3); + par->mmio_len = pci_resource_len(par->pdev, 3); + par->mapped_vram = CARMINE_MEM_SIZE; + par->type = BT_CARMINE; + break; + default: + /* should never occur */ + goto rel_reg; + } + + par->fb_base = ioremap(par->fb_base_phys, par->mapped_vram); + if (par->fb_base == NULL) { + dev_err(dev, "Cannot map framebuffer\n"); + goto rel_reg; + } + + par->mmio_base = ioremap(par->mmio_base_phys, par->mmio_len); + if (par->mmio_base == NULL) { + dev_err(dev, "Cannot map registers\n"); + ret = -EIO; + goto fb_unmap; + } + + dev_dbg(dev, "fb phys 0x%llx 0x%lx\n", + (u64)par->fb_base_phys, (ulong)par->mapped_vram); + dev_dbg(dev, "mmio phys 0x%llx 0x%lx\n", + (u64)par->mmio_base_phys, (ulong)par->mmio_len); + + if (mb862xx_pci_gdc_init(par)) + goto io_unmap; + + if (request_irq(par->irq, mb862xx_intr, IRQF_DISABLED | IRQF_SHARED, + DRV_NAME, (void *)par)) { + dev_err(dev, "Cannot request irq\n"); + goto io_unmap; + } + + mb862xxfb_init_fbinfo(info); + + if (fb_alloc_cmap(&info->cmap, NR_PALETTE, 0) < 0) { + dev_err(dev, "Could not allocate cmap for fb_info.\n"); + ret = -ENOMEM; + goto free_irq; + } + + if ((info->fbops->fb_set_par)(info)) + dev_err(dev, "set_var() failed on initial setup?\n"); + + ret = register_framebuffer(info); + if (ret < 0) { + dev_err(dev, "failed to register framebuffer\n"); + goto rel_cmap; + } + + pci_set_drvdata(pdev, info); + + if (device_create_file(dev, &dev_attr_dispregs)) + dev_err(dev, "Can't create sysfs regdump file\n"); + + if (par->type == BT_CARMINE) + outreg(ctrl, GC_CTRL_INT_MASK, GC_CARMINE_INT_EN); + else + outreg(host, GC_IMASK, GC_INT_EN); + + return 0; + +rel_cmap: + fb_dealloc_cmap(&info->cmap); +free_irq: + free_irq(par->irq, (void *)par); +io_unmap: + iounmap(par->mmio_base); +fb_unmap: + iounmap(par->fb_base); +rel_reg: + pci_release_regions(pdev); +rel_fb: + framebuffer_release(info); +dis_dev: + pci_disable_device(pdev); +out: + return ret; +} + +static void __devexit mb862xx_pci_remove(struct pci_dev *pdev) +{ + struct fb_info *fbi = pci_get_drvdata(pdev); + struct mb862xxfb_par *par = fbi->par; + unsigned long reg; + + dev_dbg(fbi->dev, "%s release\n", fbi->fix.id); + + /* display off */ + reg = inreg(disp, GC_DCM1); + reg &= ~(GC_DCM01_DEN | GC_DCM01_L0E); + outreg(disp, GC_DCM1, reg); + + if (par->type == BT_CARMINE) { + outreg(ctrl, GC_CTRL_INT_MASK, 0); + outreg(ctrl, GC_CTRL_CLK_ENABLE, 0); + } else { + outreg(host, GC_IMASK, 0); + } + + device_remove_file(&pdev->dev, &dev_attr_dispregs); + + pci_set_drvdata(pdev, NULL); + unregister_framebuffer(fbi); + fb_dealloc_cmap(&fbi->cmap); + + free_irq(par->irq, (void *)par); + iounmap(par->mmio_base); + iounmap(par->fb_base); + + pci_release_regions(pdev); + framebuffer_release(fbi); + pci_disable_device(pdev); +} + +static struct pci_driver mb862xxfb_pci_driver = { + .name = DRV_NAME, + .id_table = mb862xx_pci_tbl, + .probe = mb862xx_pci_probe, + .remove = __devexit_p(mb862xx_pci_remove), +}; +#endif + +static int __devinit mb862xxfb_init(void) +{ + int ret = -ENODEV; + +#if defined(CONFIG_FB_MB862XX_LIME) + ret = of_register_platform_driver(&of_platform_mb862xxfb_driver); +#endif +#if defined(CONFIG_FB_MB862XX_PCI_GDC) + ret = pci_register_driver(&mb862xxfb_pci_driver); +#endif + return ret; +} + +static void __exit mb862xxfb_exit(void) +{ +#if defined(CONFIG_FB_MB862XX_LIME) + of_unregister_platform_driver(&of_platform_mb862xxfb_driver); +#endif +#if defined(CONFIG_FB_MB862XX_PCI_GDC) + pci_unregister_driver(&mb862xxfb_pci_driver); +#endif +} + +module_init(mb862xxfb_init); +module_exit(mb862xxfb_exit); + +MODULE_DESCRIPTION("Fujitsu MB862xx Framebuffer driver"); +MODULE_AUTHOR("Anatolij Gustschin <agust@denx.de>"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/video/mb862xx/mb862xxfb.h b/drivers/video/mb862xx/mb862xxfb.h new file mode 100644 index 00000000000..c4c8f4dd221 --- /dev/null +++ b/drivers/video/mb862xx/mb862xxfb.h @@ -0,0 +1,83 @@ +#ifndef __MB862XX_H__ +#define __MB862XX_H__ + +#define PCI_VENDOR_ID_FUJITSU_LIMITED 0x10cf +#define PCI_DEVICE_ID_FUJITSU_CORALP 0x2019 +#define PCI_DEVICE_ID_FUJITSU_CORALPA 0x201e +#define PCI_DEVICE_ID_FUJITSU_CARMINE 0x202b + +#define GC_MMR_CORALP_EVB_VAL 0x11d7fa13 + +enum gdctype { + BT_NONE, + BT_LIME, + BT_MINT, + BT_CORAL, + BT_CORALP, + BT_CARMINE, +}; + +struct mb862xx_gc_mode { + struct fb_videomode def_mode; /* mode of connected display */ + unsigned int def_bpp; /* default depth */ + unsigned long max_vram; /* connected SDRAM size */ + unsigned long ccf; /* gdc clk */ + unsigned long mmr; /* memory mode for SDRAM */ +}; + +/* private data */ +struct mb862xxfb_par { + struct fb_info *info; /* fb info head */ + struct device *dev; + struct pci_dev *pdev; + struct resource *res; /* framebuffer/mmio resource */ + + resource_size_t fb_base_phys; /* fb base, 36-bit PPC440EPx */ + resource_size_t mmio_base_phys; /* io base addr */ + void __iomem *fb_base; /* remapped framebuffer */ + void __iomem *mmio_base; /* remapped registers */ + size_t mapped_vram; /* length of remapped vram */ + size_t mmio_len; /* length of register region */ + + void __iomem *host; /* relocatable reg. bases */ + void __iomem *i2c; + void __iomem *disp; + void __iomem *disp1; + void __iomem *cap; + void __iomem *cap1; + void __iomem *draw; + void __iomem *geo; + void __iomem *pio; + void __iomem *ctrl; + void __iomem *dram_ctrl; + void __iomem *wrback; + + unsigned int irq; + unsigned int type; /* GDC type */ + unsigned int refclk; /* disp. reference clock */ + struct mb862xx_gc_mode *gc_mode; /* GDC mode init data */ + int pre_init; /* don't init display if 1 */ + + u32 pseudo_palette[16]; +}; + +#if defined(CONFIG_FB_MB862XX_LIME) && defined(CONFIG_FB_MB862XX_PCI_GDC) +#error "Select Lime GDC or CoralP/Carmine support, but not both together" +#endif +#if defined(CONFIG_FB_MB862XX_LIME) +#define gdc_read __raw_readl +#define gdc_write __raw_writel +#else +#define gdc_read readl +#define gdc_write writel +#endif + +#define inreg(type, off) \ + gdc_read((par->type + (off))) + +#define outreg(type, off, val) \ + gdc_write((val), (par->type + (off))) + +#define pack(a, b) (((a) << 16) | (b)) + +#endif diff --git a/drivers/w1/masters/Kconfig b/drivers/w1/masters/Kconfig index c4493091c65..a14d5b6e4c7 100644 --- a/drivers/w1/masters/Kconfig +++ b/drivers/w1/masters/Kconfig @@ -52,5 +52,12 @@ config W1_MASTER_GPIO This support is also available as a module. If so, the module will be called w1-gpio.ko. +config HDQ_MASTER_OMAP + tristate "OMAP HDQ driver" + depends on ARCH_OMAP2430 || ARCH_OMAP34XX + help + Say Y here if you want support for the 1-wire or HDQ Interface + on an OMAP processor. + endmenu diff --git a/drivers/w1/masters/Makefile b/drivers/w1/masters/Makefile index 1420b5bbdda..bc4714a75f3 100644 --- a/drivers/w1/masters/Makefile +++ b/drivers/w1/masters/Makefile @@ -7,3 +7,4 @@ obj-$(CONFIG_W1_MASTER_DS2490) += ds2490.o obj-$(CONFIG_W1_MASTER_DS2482) += ds2482.o obj-$(CONFIG_W1_MASTER_DS1WM) += ds1wm.o obj-$(CONFIG_W1_MASTER_GPIO) += w1-gpio.o +obj-$(CONFIG_HDQ_MASTER_OMAP) += omap_hdq.o diff --git a/drivers/w1/masters/omap_hdq.c b/drivers/w1/masters/omap_hdq.c new file mode 100644 index 00000000000..1295625c482 --- /dev/null +++ b/drivers/w1/masters/omap_hdq.c @@ -0,0 +1,725 @@ +/* + * drivers/w1/masters/omap_hdq.c + * + * Copyright (C) 2007 Texas Instruments, Inc. + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + * + */ +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/interrupt.h> +#include <linux/err.h> +#include <linux/clk.h> +#include <linux/io.h> + +#include <asm/irq.h> +#include <mach/hardware.h> + +#include "../w1.h" +#include "../w1_int.h" + +#define MOD_NAME "OMAP_HDQ:" + +#define OMAP_HDQ_REVISION 0x00 +#define OMAP_HDQ_TX_DATA 0x04 +#define OMAP_HDQ_RX_DATA 0x08 +#define OMAP_HDQ_CTRL_STATUS 0x0c +#define OMAP_HDQ_CTRL_STATUS_INTERRUPTMASK (1<<6) +#define OMAP_HDQ_CTRL_STATUS_CLOCKENABLE (1<<5) +#define OMAP_HDQ_CTRL_STATUS_GO (1<<4) +#define OMAP_HDQ_CTRL_STATUS_INITIALIZATION (1<<2) +#define OMAP_HDQ_CTRL_STATUS_DIR (1<<1) +#define OMAP_HDQ_CTRL_STATUS_MODE (1<<0) +#define OMAP_HDQ_INT_STATUS 0x10 +#define OMAP_HDQ_INT_STATUS_TXCOMPLETE (1<<2) +#define OMAP_HDQ_INT_STATUS_RXCOMPLETE (1<<1) +#define OMAP_HDQ_INT_STATUS_TIMEOUT (1<<0) +#define OMAP_HDQ_SYSCONFIG 0x14 +#define OMAP_HDQ_SYSCONFIG_SOFTRESET (1<<1) +#define OMAP_HDQ_SYSCONFIG_AUTOIDLE (1<<0) +#define OMAP_HDQ_SYSSTATUS 0x18 +#define OMAP_HDQ_SYSSTATUS_RESETDONE (1<<0) + +#define OMAP_HDQ_FLAG_CLEAR 0 +#define OMAP_HDQ_FLAG_SET 1 +#define OMAP_HDQ_TIMEOUT (HZ/5) + +#define OMAP_HDQ_MAX_USER 4 + +static DECLARE_WAIT_QUEUE_HEAD(hdq_wait_queue); +static int w1_id; + +struct hdq_data { + struct device *dev; + void __iomem *hdq_base; + /* lock status update */ + struct mutex hdq_mutex; + int hdq_usecount; + struct clk *hdq_ick; + struct clk *hdq_fck; + u8 hdq_irqstatus; + /* device lock */ + spinlock_t hdq_spinlock; + /* + * Used to control the call to omap_hdq_get and omap_hdq_put. + * HDQ Protocol: Write the CMD|REG_address first, followed by + * the data wrire or read. + */ + int init_trans; +}; + +static int __init omap_hdq_probe(struct platform_device *pdev); +static int omap_hdq_remove(struct platform_device *pdev); + +static struct platform_driver omap_hdq_driver = { + .probe = omap_hdq_probe, + .remove = omap_hdq_remove, + .driver = { + .name = "omap_hdq", + }, +}; + +static u8 omap_w1_read_byte(void *_hdq); +static void omap_w1_write_byte(void *_hdq, u8 byte); +static u8 omap_w1_reset_bus(void *_hdq); +static void omap_w1_search_bus(void *_hdq, u8 search_type, + w1_slave_found_callback slave_found); + + +static struct w1_bus_master omap_w1_master = { + .read_byte = omap_w1_read_byte, + .write_byte = omap_w1_write_byte, + .reset_bus = omap_w1_reset_bus, + .search = omap_w1_search_bus, +}; + +/* HDQ register I/O routines */ +static inline u8 hdq_reg_in(struct hdq_data *hdq_data, u32 offset) +{ + return __raw_readb(hdq_data->hdq_base + offset); +} + +static inline void hdq_reg_out(struct hdq_data *hdq_data, u32 offset, u8 val) +{ + __raw_writeb(val, hdq_data->hdq_base + offset); +} + +static inline u8 hdq_reg_merge(struct hdq_data *hdq_data, u32 offset, + u8 val, u8 mask) +{ + u8 new_val = (__raw_readb(hdq_data->hdq_base + offset) & ~mask) + | (val & mask); + __raw_writeb(new_val, hdq_data->hdq_base + offset); + + return new_val; +} + +/* + * Wait for one or more bits in flag change. + * HDQ_FLAG_SET: wait until any bit in the flag is set. + * HDQ_FLAG_CLEAR: wait until all bits in the flag are cleared. + * return 0 on success and -ETIMEDOUT in the case of timeout. + */ +static int hdq_wait_for_flag(struct hdq_data *hdq_data, u32 offset, + u8 flag, u8 flag_set, u8 *status) +{ + int ret = 0; + unsigned long timeout = jiffies + OMAP_HDQ_TIMEOUT; + + if (flag_set == OMAP_HDQ_FLAG_CLEAR) { + /* wait for the flag clear */ + while (((*status = hdq_reg_in(hdq_data, offset)) & flag) + && time_before(jiffies, timeout)) { + schedule_timeout_uninterruptible(1); + } + if (*status & flag) + ret = -ETIMEDOUT; + } else if (flag_set == OMAP_HDQ_FLAG_SET) { + /* wait for the flag set */ + while (!((*status = hdq_reg_in(hdq_data, offset)) & flag) + && time_before(jiffies, timeout)) { + schedule_timeout_uninterruptible(1); + } + if (!(*status & flag)) + ret = -ETIMEDOUT; + } else + return -EINVAL; + + return ret; +} + +/* write out a byte and fill *status with HDQ_INT_STATUS */ +static int hdq_write_byte(struct hdq_data *hdq_data, u8 val, u8 *status) +{ + int ret; + u8 tmp_status; + unsigned long irqflags; + + *status = 0; + + spin_lock_irqsave(&hdq_data->hdq_spinlock, irqflags); + /* clear interrupt flags via a dummy read */ + hdq_reg_in(hdq_data, OMAP_HDQ_INT_STATUS); + /* ISR loads it with new INT_STATUS */ + hdq_data->hdq_irqstatus = 0; + spin_unlock_irqrestore(&hdq_data->hdq_spinlock, irqflags); + + hdq_reg_out(hdq_data, OMAP_HDQ_TX_DATA, val); + + /* set the GO bit */ + hdq_reg_merge(hdq_data, OMAP_HDQ_CTRL_STATUS, OMAP_HDQ_CTRL_STATUS_GO, + OMAP_HDQ_CTRL_STATUS_DIR | OMAP_HDQ_CTRL_STATUS_GO); + /* wait for the TXCOMPLETE bit */ + ret = wait_event_timeout(hdq_wait_queue, + hdq_data->hdq_irqstatus, OMAP_HDQ_TIMEOUT); + if (ret == 0) { + dev_dbg(hdq_data->dev, "TX wait elapsed\n"); + goto out; + } + + *status = hdq_data->hdq_irqstatus; + /* check irqstatus */ + if (!(*status & OMAP_HDQ_INT_STATUS_TXCOMPLETE)) { + dev_dbg(hdq_data->dev, "timeout waiting for" + "TXCOMPLETE/RXCOMPLETE, %x", *status); + ret = -ETIMEDOUT; + goto out; + } + + /* wait for the GO bit return to zero */ + ret = hdq_wait_for_flag(hdq_data, OMAP_HDQ_CTRL_STATUS, + OMAP_HDQ_CTRL_STATUS_GO, + OMAP_HDQ_FLAG_CLEAR, &tmp_status); + if (ret) { + dev_dbg(hdq_data->dev, "timeout waiting GO bit" + "return to zero, %x", tmp_status); + } + +out: + return ret; +} + +/* HDQ Interrupt service routine */ +static irqreturn_t hdq_isr(int irq, void *_hdq) +{ + struct hdq_data *hdq_data = _hdq; + unsigned long irqflags; + + spin_lock_irqsave(&hdq_data->hdq_spinlock, irqflags); + hdq_data->hdq_irqstatus = hdq_reg_in(hdq_data, OMAP_HDQ_INT_STATUS); + spin_unlock_irqrestore(&hdq_data->hdq_spinlock, irqflags); + dev_dbg(hdq_data->dev, "hdq_isr: %x", hdq_data->hdq_irqstatus); + + if (hdq_data->hdq_irqstatus & + (OMAP_HDQ_INT_STATUS_TXCOMPLETE | OMAP_HDQ_INT_STATUS_RXCOMPLETE + | OMAP_HDQ_INT_STATUS_TIMEOUT)) { + /* wake up sleeping process */ + wake_up(&hdq_wait_queue); + } + + return IRQ_HANDLED; +} + +/* HDQ Mode: always return success */ +static u8 omap_w1_reset_bus(void *_hdq) +{ + return 0; +} + +/* W1 search callback function */ +static void omap_w1_search_bus(void *_hdq, u8 search_type, + w1_slave_found_callback slave_found) +{ + u64 module_id, rn_le, cs, id; + + if (w1_id) + module_id = w1_id; + else + module_id = 0x1; + + rn_le = cpu_to_le64(module_id); + /* + * HDQ might not obey truly the 1-wire spec. + * So calculate CRC based on module parameter. + */ + cs = w1_calc_crc8((u8 *)&rn_le, 7); + id = (cs << 56) | module_id; + + slave_found(_hdq, id); +} + +static int _omap_hdq_reset(struct hdq_data *hdq_data) +{ + int ret; + u8 tmp_status; + + hdq_reg_out(hdq_data, OMAP_HDQ_SYSCONFIG, OMAP_HDQ_SYSCONFIG_SOFTRESET); + /* + * Select HDQ mode & enable clocks. + * It is observed that INT flags can't be cleared via a read and GO/INIT + * won't return to zero if interrupt is disabled. So we always enable + * interrupt. + */ + hdq_reg_out(hdq_data, OMAP_HDQ_CTRL_STATUS, + OMAP_HDQ_CTRL_STATUS_CLOCKENABLE | + OMAP_HDQ_CTRL_STATUS_INTERRUPTMASK); + + /* wait for reset to complete */ + ret = hdq_wait_for_flag(hdq_data, OMAP_HDQ_SYSSTATUS, + OMAP_HDQ_SYSSTATUS_RESETDONE, OMAP_HDQ_FLAG_SET, &tmp_status); + if (ret) + dev_dbg(hdq_data->dev, "timeout waiting HDQ reset, %x", + tmp_status); + else { + hdq_reg_out(hdq_data, OMAP_HDQ_CTRL_STATUS, + OMAP_HDQ_CTRL_STATUS_CLOCKENABLE | + OMAP_HDQ_CTRL_STATUS_INTERRUPTMASK); + hdq_reg_out(hdq_data, OMAP_HDQ_SYSCONFIG, + OMAP_HDQ_SYSCONFIG_AUTOIDLE); + } + + return ret; +} + +/* Issue break pulse to the device */ +static int omap_hdq_break(struct hdq_data *hdq_data) +{ + int ret = 0; + u8 tmp_status; + unsigned long irqflags; + + ret = mutex_lock_interruptible(&hdq_data->hdq_mutex); + if (ret < 0) { + dev_dbg(hdq_data->dev, "Could not acquire mutex\n"); + ret = -EINTR; + goto rtn; + } + + spin_lock_irqsave(&hdq_data->hdq_spinlock, irqflags); + /* clear interrupt flags via a dummy read */ + hdq_reg_in(hdq_data, OMAP_HDQ_INT_STATUS); + /* ISR loads it with new INT_STATUS */ + hdq_data->hdq_irqstatus = 0; + spin_unlock_irqrestore(&hdq_data->hdq_spinlock, irqflags); + + /* set the INIT and GO bit */ + hdq_reg_merge(hdq_data, OMAP_HDQ_CTRL_STATUS, + OMAP_HDQ_CTRL_STATUS_INITIALIZATION | OMAP_HDQ_CTRL_STATUS_GO, + OMAP_HDQ_CTRL_STATUS_DIR | OMAP_HDQ_CTRL_STATUS_INITIALIZATION | + OMAP_HDQ_CTRL_STATUS_GO); + + /* wait for the TIMEOUT bit */ + ret = wait_event_timeout(hdq_wait_queue, + hdq_data->hdq_irqstatus, OMAP_HDQ_TIMEOUT); + if (ret == 0) { + dev_dbg(hdq_data->dev, "break wait elapsed\n"); + ret = -EINTR; + goto out; + } + + tmp_status = hdq_data->hdq_irqstatus; + /* check irqstatus */ + if (!(tmp_status & OMAP_HDQ_INT_STATUS_TIMEOUT)) { + dev_dbg(hdq_data->dev, "timeout waiting for TIMEOUT, %x", + tmp_status); + ret = -ETIMEDOUT; + goto out; + } + /* + * wait for both INIT and GO bits rerurn to zero. + * zero wait time expected for interrupt mode. + */ + ret = hdq_wait_for_flag(hdq_data, OMAP_HDQ_CTRL_STATUS, + OMAP_HDQ_CTRL_STATUS_INITIALIZATION | + OMAP_HDQ_CTRL_STATUS_GO, OMAP_HDQ_FLAG_CLEAR, + &tmp_status); + if (ret) + dev_dbg(hdq_data->dev, "timeout waiting INIT&GO bits" + "return to zero, %x", tmp_status); + +out: + mutex_unlock(&hdq_data->hdq_mutex); +rtn: + return ret; +} + +static int hdq_read_byte(struct hdq_data *hdq_data, u8 *val) +{ + int ret = 0; + u8 status; + unsigned long timeout = jiffies + OMAP_HDQ_TIMEOUT; + + ret = mutex_lock_interruptible(&hdq_data->hdq_mutex); + if (ret < 0) { + ret = -EINTR; + goto rtn; + } + + if (!hdq_data->hdq_usecount) { + ret = -EINVAL; + goto out; + } + + if (!(hdq_data->hdq_irqstatus & OMAP_HDQ_INT_STATUS_RXCOMPLETE)) { + hdq_reg_merge(hdq_data, OMAP_HDQ_CTRL_STATUS, + OMAP_HDQ_CTRL_STATUS_DIR | OMAP_HDQ_CTRL_STATUS_GO, + OMAP_HDQ_CTRL_STATUS_DIR | OMAP_HDQ_CTRL_STATUS_GO); + /* + * The RX comes immediately after TX. It + * triggers another interrupt before we + * sleep. So we have to wait for RXCOMPLETE bit. + */ + while (!(hdq_data->hdq_irqstatus + & OMAP_HDQ_INT_STATUS_RXCOMPLETE) + && time_before(jiffies, timeout)) { + schedule_timeout_uninterruptible(1); + } + hdq_reg_merge(hdq_data, OMAP_HDQ_CTRL_STATUS, 0, + OMAP_HDQ_CTRL_STATUS_DIR); + status = hdq_data->hdq_irqstatus; + /* check irqstatus */ + if (!(status & OMAP_HDQ_INT_STATUS_RXCOMPLETE)) { + dev_dbg(hdq_data->dev, "timeout waiting for" + "RXCOMPLETE, %x", status); + ret = -ETIMEDOUT; + goto out; + } + } + /* the data is ready. Read it in! */ + *val = hdq_reg_in(hdq_data, OMAP_HDQ_RX_DATA); +out: + mutex_unlock(&hdq_data->hdq_mutex); +rtn: + return 0; + +} + +/* Enable clocks and set the controller to HDQ mode */ +static int omap_hdq_get(struct hdq_data *hdq_data) +{ + int ret = 0; + + ret = mutex_lock_interruptible(&hdq_data->hdq_mutex); + if (ret < 0) { + ret = -EINTR; + goto rtn; + } + + if (OMAP_HDQ_MAX_USER == hdq_data->hdq_usecount) { + dev_dbg(hdq_data->dev, "attempt to exceed the max use count"); + ret = -EINVAL; + goto out; + } else { + hdq_data->hdq_usecount++; + try_module_get(THIS_MODULE); + if (1 == hdq_data->hdq_usecount) { + if (clk_enable(hdq_data->hdq_ick)) { + dev_dbg(hdq_data->dev, "Can not enable ick\n"); + ret = -ENODEV; + goto clk_err; + } + if (clk_enable(hdq_data->hdq_fck)) { + dev_dbg(hdq_data->dev, "Can not enable fck\n"); + clk_disable(hdq_data->hdq_ick); + ret = -ENODEV; + goto clk_err; + } + + /* make sure HDQ is out of reset */ + if (!(hdq_reg_in(hdq_data, OMAP_HDQ_SYSSTATUS) & + OMAP_HDQ_SYSSTATUS_RESETDONE)) { + ret = _omap_hdq_reset(hdq_data); + if (ret) + /* back up the count */ + hdq_data->hdq_usecount--; + } else { + /* select HDQ mode & enable clocks */ + hdq_reg_out(hdq_data, OMAP_HDQ_CTRL_STATUS, + OMAP_HDQ_CTRL_STATUS_CLOCKENABLE | + OMAP_HDQ_CTRL_STATUS_INTERRUPTMASK); + hdq_reg_out(hdq_data, OMAP_HDQ_SYSCONFIG, + OMAP_HDQ_SYSCONFIG_AUTOIDLE); + hdq_reg_in(hdq_data, OMAP_HDQ_INT_STATUS); + } + } + } + +clk_err: + clk_put(hdq_data->hdq_ick); + clk_put(hdq_data->hdq_fck); +out: + mutex_unlock(&hdq_data->hdq_mutex); +rtn: + return ret; +} + +/* Disable clocks to the module */ +static int omap_hdq_put(struct hdq_data *hdq_data) +{ + int ret = 0; + + ret = mutex_lock_interruptible(&hdq_data->hdq_mutex); + if (ret < 0) + return -EINTR; + + if (0 == hdq_data->hdq_usecount) { + dev_dbg(hdq_data->dev, "attempt to decrement use count" + "when it is zero"); + ret = -EINVAL; + } else { + hdq_data->hdq_usecount--; + module_put(THIS_MODULE); + if (0 == hdq_data->hdq_usecount) { + clk_disable(hdq_data->hdq_ick); + clk_disable(hdq_data->hdq_fck); + } + } + mutex_unlock(&hdq_data->hdq_mutex); + + return ret; +} + +/* Read a byte of data from the device */ +static u8 omap_w1_read_byte(void *_hdq) +{ + struct hdq_data *hdq_data = _hdq; + u8 val = 0; + int ret; + + ret = hdq_read_byte(hdq_data, &val); + if (ret) { + ret = mutex_lock_interruptible(&hdq_data->hdq_mutex); + if (ret < 0) { + dev_dbg(hdq_data->dev, "Could not acquire mutex\n"); + return -EINTR; + } + hdq_data->init_trans = 0; + mutex_unlock(&hdq_data->hdq_mutex); + omap_hdq_put(hdq_data); + return -1; + } + + /* Write followed by a read, release the module */ + if (hdq_data->init_trans) { + ret = mutex_lock_interruptible(&hdq_data->hdq_mutex); + if (ret < 0) { + dev_dbg(hdq_data->dev, "Could not acquire mutex\n"); + return -EINTR; + } + hdq_data->init_trans = 0; + mutex_unlock(&hdq_data->hdq_mutex); + omap_hdq_put(hdq_data); + } + + return val; +} + +/* Write a byte of data to the device */ +static void omap_w1_write_byte(void *_hdq, u8 byte) +{ + struct hdq_data *hdq_data = _hdq; + int ret; + u8 status; + + /* First write to initialize the transfer */ + if (hdq_data->init_trans == 0) + omap_hdq_get(hdq_data); + + ret = mutex_lock_interruptible(&hdq_data->hdq_mutex); + if (ret < 0) { + dev_dbg(hdq_data->dev, "Could not acquire mutex\n"); + return; + } + hdq_data->init_trans++; + mutex_unlock(&hdq_data->hdq_mutex); + + ret = hdq_write_byte(hdq_data, byte, &status); + if (ret == 0) { + dev_dbg(hdq_data->dev, "TX failure:Ctrl status %x\n", status); + return; + } + + /* Second write, data transfered. Release the module */ + if (hdq_data->init_trans > 1) { + omap_hdq_put(hdq_data); + ret = mutex_lock_interruptible(&hdq_data->hdq_mutex); + if (ret < 0) { + dev_dbg(hdq_data->dev, "Could not acquire mutex\n"); + return; + } + hdq_data->init_trans = 0; + mutex_unlock(&hdq_data->hdq_mutex); + } + + return; +} + +static int __init omap_hdq_probe(struct platform_device *pdev) +{ + struct hdq_data *hdq_data; + struct resource *res; + int ret, irq; + u8 rev; + + hdq_data = kmalloc(sizeof(*hdq_data), GFP_KERNEL); + if (!hdq_data) { + dev_dbg(&pdev->dev, "unable to allocate memory\n"); + ret = -ENOMEM; + goto err_kmalloc; + } + + hdq_data->dev = &pdev->dev; + platform_set_drvdata(pdev, hdq_data); + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_dbg(&pdev->dev, "unable to get resource\n"); + ret = -ENXIO; + goto err_resource; + } + + hdq_data->hdq_base = ioremap(res->start, SZ_4K); + if (!hdq_data->hdq_base) { + dev_dbg(&pdev->dev, "ioremap failed\n"); + ret = -EINVAL; + goto err_ioremap; + } + + /* get interface & functional clock objects */ + hdq_data->hdq_ick = clk_get(&pdev->dev, "hdq_ick"); + hdq_data->hdq_fck = clk_get(&pdev->dev, "hdq_fck"); + + if (IS_ERR(hdq_data->hdq_ick) || IS_ERR(hdq_data->hdq_fck)) { + dev_dbg(&pdev->dev, "Can't get HDQ clock objects\n"); + if (IS_ERR(hdq_data->hdq_ick)) { + ret = PTR_ERR(hdq_data->hdq_ick); + goto err_clk; + } + if (IS_ERR(hdq_data->hdq_fck)) { + ret = PTR_ERR(hdq_data->hdq_fck); + clk_put(hdq_data->hdq_ick); + goto err_clk; + } + } + + hdq_data->hdq_usecount = 0; + mutex_init(&hdq_data->hdq_mutex); + + if (clk_enable(hdq_data->hdq_ick)) { + dev_dbg(&pdev->dev, "Can not enable ick\n"); + ret = -ENODEV; + goto err_intfclk; + } + + if (clk_enable(hdq_data->hdq_fck)) { + dev_dbg(&pdev->dev, "Can not enable fck\n"); + ret = -ENODEV; + goto err_fnclk; + } + + rev = hdq_reg_in(hdq_data, OMAP_HDQ_REVISION); + dev_info(&pdev->dev, "OMAP HDQ Hardware Rev %c.%c. Driver in %s mode\n", + (rev >> 4) + '0', (rev & 0x0f) + '0', "Interrupt"); + + spin_lock_init(&hdq_data->hdq_spinlock); + + irq = platform_get_irq(pdev, 0); + if (irq < 0) { + ret = -ENXIO; + goto err_irq; + } + + ret = request_irq(irq, hdq_isr, IRQF_DISABLED, "omap_hdq", hdq_data); + if (ret < 0) { + dev_dbg(&pdev->dev, "could not request irq\n"); + goto err_irq; + } + + omap_hdq_break(hdq_data); + + /* don't clock the HDQ until it is needed */ + clk_disable(hdq_data->hdq_ick); + clk_disable(hdq_data->hdq_fck); + + omap_w1_master.data = hdq_data; + + ret = w1_add_master_device(&omap_w1_master); + if (ret) { + dev_dbg(&pdev->dev, "Failure in registering w1 master\n"); + goto err_w1; + } + + return 0; + +err_w1: +err_irq: + clk_disable(hdq_data->hdq_fck); + +err_fnclk: + clk_disable(hdq_data->hdq_ick); + +err_intfclk: + clk_put(hdq_data->hdq_ick); + clk_put(hdq_data->hdq_fck); + +err_clk: + iounmap(hdq_data->hdq_base); + +err_ioremap: +err_resource: + platform_set_drvdata(pdev, NULL); + kfree(hdq_data); + +err_kmalloc: + return ret; + +} + +static int omap_hdq_remove(struct platform_device *pdev) +{ + struct hdq_data *hdq_data = platform_get_drvdata(pdev); + + mutex_lock(&hdq_data->hdq_mutex); + + if (hdq_data->hdq_usecount) { + dev_dbg(&pdev->dev, "removed when use count is not zero\n"); + return -EBUSY; + } + + mutex_unlock(&hdq_data->hdq_mutex); + + /* remove module dependency */ + clk_put(hdq_data->hdq_ick); + clk_put(hdq_data->hdq_fck); + free_irq(INT_24XX_HDQ_IRQ, hdq_data); + platform_set_drvdata(pdev, NULL); + iounmap(hdq_data->hdq_base); + kfree(hdq_data); + + return 0; +} + +static int __init +omap_hdq_init(void) +{ + return platform_driver_register(&omap_hdq_driver); +} +module_init(omap_hdq_init); + +static void __exit +omap_hdq_exit(void) +{ + platform_driver_unregister(&omap_hdq_driver); +} +module_exit(omap_hdq_exit); + +module_param(w1_id, int, S_IRUSR); +MODULE_PARM_DESC(w1_id, "1-wire id for the slave detection"); + +MODULE_AUTHOR("Texas Instruments"); +MODULE_DESCRIPTION("HDQ driver Library"); +MODULE_LICENSE("GPL"); diff --git a/drivers/w1/slaves/Kconfig b/drivers/w1/slaves/Kconfig index 3df29a122f8..8d0b1fb1e52 100644 --- a/drivers/w1/slaves/Kconfig +++ b/drivers/w1/slaves/Kconfig @@ -44,4 +44,11 @@ config W1_SLAVE_DS2760 If you are unsure, say N. +config W1_SLAVE_BQ27000 + tristate "BQ27000 slave support" + depends on W1 + help + Say Y here if you want to use a hdq + bq27000 slave support. + endmenu diff --git a/drivers/w1/slaves/Makefile b/drivers/w1/slaves/Makefile index a8eb7524df1..990f400b6d2 100644 --- a/drivers/w1/slaves/Makefile +++ b/drivers/w1/slaves/Makefile @@ -6,4 +6,4 @@ obj-$(CONFIG_W1_SLAVE_THERM) += w1_therm.o obj-$(CONFIG_W1_SLAVE_SMEM) += w1_smem.o obj-$(CONFIG_W1_SLAVE_DS2433) += w1_ds2433.o obj-$(CONFIG_W1_SLAVE_DS2760) += w1_ds2760.o - +obj-$(CONFIG_W1_SLAVE_BQ27000) += w1_bq27000.o diff --git a/drivers/w1/slaves/w1_bq27000.c b/drivers/w1/slaves/w1_bq27000.c new file mode 100644 index 00000000000..8f4c91f6c68 --- /dev/null +++ b/drivers/w1/slaves/w1_bq27000.c @@ -0,0 +1,123 @@ +/* + * drivers/w1/slaves/w1_bq27000.c + * + * Copyright (C) 2007 Texas Instruments, Inc. + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + * + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/device.h> +#include <linux/types.h> +#include <linux/platform_device.h> +#include <linux/mutex.h> + +#include "../w1.h" +#include "../w1_int.h" +#include "../w1_family.h" + +#define HDQ_CMD_READ (0) +#define HDQ_CMD_WRITE (1<<7) + +static int F_ID; + +void w1_bq27000_write(struct device *dev, u8 buf, u8 reg) +{ + struct w1_slave *sl = container_of(dev, struct w1_slave, dev); + + if (!dev) { + pr_info("Could not obtain slave dev ptr\n"); + return; + } + + w1_write_8(sl->master, HDQ_CMD_WRITE | reg); + w1_write_8(sl->master, buf); +} +EXPORT_SYMBOL(w1_bq27000_write); + +int w1_bq27000_read(struct device *dev, u8 reg) +{ + u8 val; + struct w1_slave *sl = container_of(dev, struct w1_slave, dev); + + if (!dev) + return 0; + + w1_write_8(sl->master, HDQ_CMD_READ | reg); + val = w1_read_8(sl->master); + + return val; +} +EXPORT_SYMBOL(w1_bq27000_read); + +static int w1_bq27000_add_slave(struct w1_slave *sl) +{ + int ret; + int id = 1; + struct platform_device *pdev; + + pdev = platform_device_alloc("bq27000-battery", id); + if (!pdev) { + ret = -ENOMEM; + return ret; + } + pdev->dev.parent = &sl->dev; + + ret = platform_device_add(pdev); + if (ret) + goto pdev_add_failed; + + dev_set_drvdata(&sl->dev, pdev); + + goto success; + +pdev_add_failed: + platform_device_unregister(pdev); +success: + return ret; +} + +static void w1_bq27000_remove_slave(struct w1_slave *sl) +{ + struct platform_device *pdev = dev_get_drvdata(&sl->dev); + + platform_device_unregister(pdev); +} + +static struct w1_family_ops w1_bq27000_fops = { + .add_slave = w1_bq27000_add_slave, + .remove_slave = w1_bq27000_remove_slave, +}; + +static struct w1_family w1_bq27000_family = { + .fid = 1, + .fops = &w1_bq27000_fops, +}; + +static int __init w1_bq27000_init(void) +{ + if (F_ID) + w1_bq27000_family.fid = F_ID; + + return w1_register_family(&w1_bq27000_family); +} + +static void __exit w1_bq27000_exit(void) +{ + w1_unregister_family(&w1_bq27000_family); +} + + +module_init(w1_bq27000_init); +module_exit(w1_bq27000_exit); + +module_param(F_ID, int, S_IRUSR); +MODULE_PARM_DESC(F_ID, "1-wire slave FID for BQ device"); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Texas Instruments Ltd"); +MODULE_DESCRIPTION("HDQ/1-wire slave driver bq27000 battery monitor chip"); diff --git a/drivers/w1/w1.h b/drivers/w1/w1.h index cdaa6fffbfc..97304bd83ec 100644 --- a/drivers/w1/w1.h +++ b/drivers/w1/w1.h @@ -206,6 +206,7 @@ void w1_slave_detach(struct w1_slave *sl); u8 w1_triplet(struct w1_master *dev, int bdir); void w1_write_8(struct w1_master *, u8); +u8 w1_read_8(struct w1_master *); int w1_reset_bus(struct w1_master *); u8 w1_calc_crc8(u8 *, int); void w1_write_block(struct w1_master *, const u8 *, int); diff --git a/drivers/w1/w1_io.c b/drivers/w1/w1_io.c index f4f82f1f486..0d15b0eaf79 100644 --- a/drivers/w1/w1_io.c +++ b/drivers/w1/w1_io.c @@ -217,7 +217,7 @@ u8 w1_triplet(struct w1_master *dev, int bdir) * @param dev the master device * @return the byte read */ -static u8 w1_read_8(struct w1_master * dev) +u8 w1_read_8(struct w1_master *dev) { int i; u8 res = 0; @@ -230,6 +230,7 @@ static u8 w1_read_8(struct w1_master * dev) return res; } +EXPORT_SYMBOL_GPL(w1_read_8); /** * Writes a series of bytes. diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 1a22fe782a2..4fd3fa5546b 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -67,11 +67,11 @@ config AT91RM9200_WATCHDOG system when the timeout is reached. config AT91SAM9X_WATCHDOG - tristate "AT91SAM9X watchdog" - depends on WATCHDOG && (ARCH_AT91SAM9260 || ARCH_AT91SAM9261) + tristate "AT91SAM9X / AT91CAP9 watchdog" + depends on ARCH_AT91 && !ARCH_AT91RM9200 help - Watchdog timer embedded into AT91SAM9X chips. This will reboot your - system when the timeout is reached. + Watchdog timer embedded into AT91SAM9X and AT91CAP9 chips. This will + reboot your system when the timeout is reached. config 21285_WATCHDOG tristate "DC21285 watchdog" diff --git a/drivers/watchdog/at91sam9_wdt.c b/drivers/watchdog/at91sam9_wdt.c index b4babfc3158..b1da287f90e 100644 --- a/drivers/watchdog/at91sam9_wdt.c +++ b/drivers/watchdog/at91sam9_wdt.c @@ -30,7 +30,7 @@ #include <linux/bitops.h> #include <linux/uaccess.h> -#include <asm/arch/at91_wdt.h> +#include <mach/at91_wdt.h> #define DRV_NAME "AT91SAM9 Watchdog" diff --git a/drivers/watchdog/booke_wdt.c b/drivers/watchdog/booke_wdt.c index c3b78a76f17..225398fd504 100644 --- a/drivers/watchdog/booke_wdt.c +++ b/drivers/watchdog/booke_wdt.c @@ -42,8 +42,10 @@ u32 booke_wdt_period = WDT_PERIOD_DEFAULT; #ifdef CONFIG_FSL_BOOKE #define WDTP(x) ((((63-x)&0x3)<<30)|(((63-x)&0x3c)<<15)) +#define WDTP_MASK (WDTP(0)) #else #define WDTP(x) (TCR_WP(x)) +#define WDTP_MASK (TCR_WP_MASK) #endif static DEFINE_SPINLOCK(booke_wdt_lock); @@ -65,6 +67,7 @@ static void __booke_wdt_enable(void *data) /* clear status before enabling watchdog */ __booke_wdt_ping(NULL); val = mfspr(SPRN_TCR); + val &= ~WDTP_MASK; val |= (TCR_WIE|TCR_WRC(WRC_CHIP)|WDTP(booke_wdt_period)); mtspr(SPRN_TCR, val); @@ -114,7 +117,7 @@ static long booke_wdt_ioctl(struct file *file, case WDIOC_SETTIMEOUT: if (get_user(booke_wdt_period, p)) return -EFAULT; - mtspr(SPRN_TCR, (mfspr(SPRN_TCR) & ~WDTP(0)) | + mtspr(SPRN_TCR, (mfspr(SPRN_TCR) & ~WDTP_MASK) | WDTP(booke_wdt_period)); return 0; case WDIOC_GETTIMEOUT: |