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| author | Ingo Molnar <mingo@elte.hu> | 2009-04-08 10:35:30 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-08 10:35:30 +0200 |
| commit | 5ea472a77f8e4811ceee3f44a9deda6ad6e8b789 (patch) | |
| tree | a9ec5019e2b666a19874fc344ffb0dd5da6bce94 /include | |
| parent | 6c009ecef8cca28c7c09eb16d0802e37915a76e1 (diff) | |
| parent | 577c9c456f0e1371cbade38eaf91ae8e8a308555 (diff) | |
| download | linux-5ea472a77f8e4811ceee3f44a9deda6ad6e8b789.tar.gz linux-5ea472a77f8e4811ceee3f44a9deda6ad6e8b789.tar.bz2 linux-5ea472a77f8e4811ceee3f44a9deda6ad6e8b789.zip | |
Merge commit 'v2.6.30-rc1' into perfcounters/core
Conflicts:
arch/powerpc/include/asm/systbl.h
arch/powerpc/include/asm/unistd.h
include/linux/init_task.h
Merge reason: the conflicts are non-trivial: PowerPC placement
of sys_perf_counter_open has to be mixed with the
new preadv/pwrite syscalls.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include')
37 files changed, 1497 insertions, 372 deletions
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h index aeaf7cd41dc7..4db89e98535d 100644 --- a/include/acpi/acpixf.h +++ b/include/acpi/acpixf.h @@ -191,14 +191,12 @@ acpi_evaluate_object(acpi_handle object, struct acpi_object_list *parameter_objects, struct acpi_buffer *return_object_buffer); -#ifdef ACPI_FUTURE_USAGE acpi_status acpi_evaluate_object_typed(acpi_handle object, acpi_string pathname, struct acpi_object_list *external_params, struct acpi_buffer *return_buffer, acpi_object_type return_type); -#endif acpi_status acpi_get_object_info(acpi_handle handle, struct acpi_buffer *return_buffer); diff --git a/include/linux/ata.h b/include/linux/ata.h index 6617c9f8f2ca..cb79b7a208e1 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -29,6 +29,8 @@ #ifndef __LINUX_ATA_H__ #define __LINUX_ATA_H__ +#include <linux/kernel.h> +#include <linux/string.h> #include <linux/types.h> #include <asm/byteorder.h> @@ -91,6 +93,7 @@ enum { ATA_ID_CFA_POWER = 160, ATA_ID_CFA_KEY_MGMT = 162, ATA_ID_CFA_MODES = 163, + ATA_ID_DATA_SET_MGMT = 169, ATA_ID_ROT_SPEED = 217, ATA_ID_PIO4 = (1 << 1), @@ -248,6 +251,7 @@ enum { ATA_CMD_SMART = 0xB0, ATA_CMD_MEDIA_LOCK = 0xDE, ATA_CMD_MEDIA_UNLOCK = 0xDF, + ATA_CMD_DSM = 0x06, /* marked obsolete in the ATA/ATAPI-7 spec */ ATA_CMD_RESTORE = 0x10, @@ -321,6 +325,9 @@ enum { ATA_SMART_READ_VALUES = 0xD0, ATA_SMART_READ_THRESHOLDS = 0xD1, + /* feature values for Data Set Management */ + ATA_DSM_TRIM = 0x01, + /* password used in LBA Mid / LBA High for executing SMART commands */ ATA_SMART_LBAM_PASS = 0x4F, ATA_SMART_LBAH_PASS = 0xC2, @@ -723,6 +730,14 @@ static inline int ata_id_has_unload(const u16 *id) return 0; } +static inline int ata_id_has_trim(const u16 *id) +{ + if (ata_id_major_version(id) >= 7 && + (id[ATA_ID_DATA_SET_MGMT] & 1)) + return 1; + return 0; +} + static inline int ata_id_current_chs_valid(const u16 *id) { /* For ATA-1 devices, if the INITIALIZE DEVICE PARAMETERS command @@ -863,6 +878,32 @@ static inline void ata_id_to_hd_driveid(u16 *id) #endif } +/* + * Write up to 'max' LBA Range Entries to the buffer that will cover the + * extent from sector to sector + count. This is used for TRIM and for + * ADD LBA(S) TO NV CACHE PINNED SET. + */ +static inline unsigned ata_set_lba_range_entries(void *_buffer, unsigned max, + u64 sector, unsigned long count) +{ + __le64 *buffer = _buffer; + unsigned i = 0; + + while (i < max) { + u64 entry = sector | + ((u64)(count > 0xffff ? 0xffff : count) << 48); + buffer[i++] = __cpu_to_le64(entry); + if (count <= 0xffff) + break; + count -= 0xffff; + sector += 0xffff; + } + + max = ALIGN(i * 8, 512); + memset(buffer + i, 0, max - i * 8); + return max; +} + static inline int is_multi_taskfile(struct ata_taskfile *tf) { return (tf->command == ATA_CMD_READ_MULTI) || diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index e03660964e02..ba54c834a590 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -117,7 +117,6 @@ enum rq_flag_bits { __REQ_RW_META, /* metadata io request */ __REQ_COPY_USER, /* contains copies of user pages */ __REQ_INTEGRITY, /* integrity metadata has been remapped */ - __REQ_UNPLUG, /* unplug queue on submission */ __REQ_NOIDLE, /* Don't anticipate more IO after this one */ __REQ_NR_BITS, /* stops here */ }; @@ -145,7 +144,6 @@ enum rq_flag_bits { #define REQ_RW_META (1 << __REQ_RW_META) #define REQ_COPY_USER (1 << __REQ_COPY_USER) #define REQ_INTEGRITY (1 << __REQ_INTEGRITY) -#define REQ_UNPLUG (1 << __REQ_UNPLUG) #define REQ_NOIDLE (1 << __REQ_NOIDLE) #define BLK_MAX_CDB 16 diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 6faa7e549de4..37bcb50a4d7c 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -76,7 +76,8 @@ struct ftrace_branch_data { * Note: DISABLE_BRANCH_PROFILING can be used by special lowlevel code * to disable branch tracing on a per file basis. */ -#if defined(CONFIG_TRACE_BRANCH_PROFILING) && !defined(DISABLE_BRANCH_PROFILING) +#if defined(CONFIG_TRACE_BRANCH_PROFILING) \ + && !defined(DISABLE_BRANCH_PROFILING) && !defined(__CHECKER__) void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect); #define likely_notrace(x) __builtin_expect(!!(x), 1) @@ -114,7 +115,9 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect); * "Define 'is'", Bill Clinton * "Define 'if'", Steven Rostedt */ -#define if(cond) if (__builtin_constant_p((cond)) ? !!(cond) : \ +#define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) +#define __trace_if(cond) \ + if (__builtin_constant_p((cond)) ? !!(cond) : \ ({ \ int ______r; \ static struct ftrace_branch_data \ diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index d7d090d21031..8083b6a36a38 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -115,7 +115,7 @@ static inline u64 dma_get_mask(struct device *dev) { if (dev && dev->dma_mask && *dev->dma_mask) return *dev->dma_mask; - return DMA_32BIT_MASK; + return DMA_BIT_MASK(32); } extern u64 dma_get_required_mask(struct device *dev); diff --git a/include/linux/elevator.h b/include/linux/elevator.h index 7a204256b155..c59b769f62b0 100644 --- a/include/linux/elevator.h +++ b/include/linux/elevator.h @@ -116,6 +116,7 @@ extern void elv_abort_queue(struct request_queue *); extern void elv_completed_request(struct request_queue *, struct request *); extern int elv_set_request(struct request_queue *, struct request *, gfp_t); extern void elv_put_request(struct request_queue *, struct request *); +extern void elv_drain_elevator(struct request_queue *); /* * io scheduler registration diff --git a/include/linux/fs.h b/include/linux/fs.h index bce40a2207ee..562d2855cf30 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1699,6 +1699,9 @@ struct file_system_type { struct lock_class_key i_alloc_sem_key; }; +extern int get_sb_ns(struct file_system_type *fs_type, int flags, void *data, + int (*fill_super)(struct super_block *, void *, int), + struct vfsmount *mnt); extern int get_sb_bdev(struct file_system_type *fs_type, int flags, const char *dev_name, void *data, int (*fill_super)(struct super_block *, void *, int), diff --git a/include/linux/fsl_devices.h b/include/linux/fsl_devices.h index 7ef1caf50269..f2a78b5e8b55 100644 --- a/include/linux/fsl_devices.h +++ b/include/linux/fsl_devices.h @@ -18,7 +18,6 @@ #define _FSL_DEVICE_H_ #include <linux/types.h> -#include <linux/phy.h> /* * Some conventions on how we handle peripherals on Freescale chips @@ -44,27 +43,6 @@ * */ -struct gianfar_platform_data { - /* device specific information */ - u32 device_flags; - char bus_id[BUS_ID_SIZE]; - phy_interface_t interface; -}; - -struct gianfar_mdio_data { - /* board specific information */ - int irq[32]; -}; - -/* Flags in gianfar_platform_data */ -#define FSL_GIANFAR_BRD_HAS_PHY_INTR 0x00000001 /* set or use a timer */ -#define FSL_GIANFAR_BRD_IS_REDUCED 0x00000002 /* Set if RGMII, RMII */ - -struct fsl_i2c_platform_data { - /* device specific information */ - u32 device_flags; -}; - /* Flags related to I2C device features */ #define FSL_I2C_DEV_SEPARATE_DFSRR 0x00000001 #define FSL_I2C_DEV_CLOCK_5200 0x00000002 diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 015a3d22cf74..da5405dce347 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -356,6 +356,9 @@ struct ftrace_graph_ret { #ifdef CONFIG_FUNCTION_GRAPH_TRACER +/* for init task */ +#define INIT_FTRACE_GRAPH .ret_stack = NULL + /* * Stack of return addresses for functions * of a thread. @@ -430,10 +433,11 @@ static inline void unpause_graph_tracing(void) { atomic_dec(¤t->tracing_graph_pause); } -#else +#else /* !CONFIG_FUNCTION_GRAPH_TRACER */ #define __notrace_funcgraph #define __irq_entry +#define INIT_FTRACE_GRAPH static inline void ftrace_graph_init_task(struct task_struct *t) { } static inline void ftrace_graph_exit_task(struct task_struct *t) { } @@ -445,7 +449,7 @@ static inline int task_curr_ret_stack(struct task_struct *tsk) static inline void pause_graph_tracing(void) { } static inline void unpause_graph_tracing(void) { } -#endif +#endif /* CONFIG_FUNCTION_GRAPH_TRACER */ #ifdef CONFIG_TRACING #include <linux/sched.h> diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h index faa1cf848bcd..45257475623c 100644 --- a/include/linux/hardirq.h +++ b/include/linux/hardirq.h @@ -116,7 +116,7 @@ # define IRQ_EXIT_OFFSET HARDIRQ_OFFSET #endif -#ifdef CONFIG_SMP +#if defined(CONFIG_SMP) || defined(CONFIG_GENERIC_HARDIRQS) extern void synchronize_irq(unsigned int irq); #else # define synchronize_irq(irq) barrier() diff --git a/include/linux/i2c-id.h b/include/linux/i2c-id.h index ee9fbc172405..c9087de5c6c6 100644 --- a/include/linux/i2c-id.h +++ b/include/linux/i2c-id.h @@ -51,6 +51,7 @@ #define I2C_HW_B_CX2341X 0x010020 /* Conexant CX2341X MPEG encoder cards */ #define I2C_HW_B_CX23885 0x010022 /* conexant 23885 based tv cards (bus1) */ #define I2C_HW_B_AU0828 0x010023 /* auvitek au0828 usb bridge */ +#define I2C_HW_B_CX231XX 0x010024 /* Conexant CX231XX USB based cards */ #define I2C_HW_B_HDPVR 0x010025 /* Hauppauge HD PVR */ /* --- SGI adapters */ diff --git a/include/linux/i2c/s6000.h b/include/linux/i2c/s6000.h new file mode 100644 index 000000000000..d9b34bfdae76 --- /dev/null +++ b/include/linux/i2c/s6000.h @@ -0,0 +1,10 @@ +#ifndef __LINUX_I2C_S6000_H +#define __LINUX_I2C_S6000_H + +struct s6_i2c_platform_data { + const char *clock; /* the clock to use */ + int bus_num; /* the bus number to register */ +}; + +#endif + diff --git a/include/linux/init_task.h b/include/linux/init_task.h index ca226a91abee..c98866102817 100644 --- a/include/linux/init_task.h +++ b/include/linux/init_task.h @@ -5,6 +5,7 @@ #include <linux/irqflags.h> #include <linux/utsname.h> #include <linux/lockdep.h> +#include <linux/ftrace.h> #include <linux/ipc.h> #include <linux/pid_namespace.h> #include <linux/user_namespace.h> @@ -195,9 +196,10 @@ extern struct cred init_cred; }, \ .dirties = INIT_PROP_LOCAL_SINGLE(dirties), \ INIT_IDS \ + INIT_PERF_COUNTERS(tsk) \ INIT_TRACE_IRQFLAGS \ INIT_LOCKDEP \ - INIT_PERF_COUNTERS(tsk) \ + INIT_FTRACE_GRAPH \ } diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index 8a9613d0c674..91bb76f44f14 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -59,6 +59,18 @@ #define IRQF_NOBALANCING 0x00000800 #define IRQF_IRQPOLL 0x00001000 +/* + * Bits used by threaded handlers: + * IRQTF_RUNTHREAD - signals that the interrupt handler thread should run + * IRQTF_DIED - handler thread died + * IRQTF_WARNED - warning "IRQ_WAKE_THREAD w/o thread_fn" has been printed + */ +enum { + IRQTF_RUNTHREAD, + IRQTF_DIED, + IRQTF_WARNED, +}; + typedef irqreturn_t (*irq_handler_t)(int, void *); /** @@ -71,6 +83,9 @@ typedef irqreturn_t (*irq_handler_t)(int, void *); * @next: pointer to the next irqaction for shared interrupts * @irq: interrupt number * @dir: pointer to the proc/irq/NN/name entry + * @thread_fn: interupt handler function for threaded interrupts + * @thread: thread pointer for threaded interrupts + * @thread_flags: flags related to @thread */ struct irqaction { irq_handler_t handler; @@ -81,18 +96,68 @@ struct irqaction { struct irqaction *next; int irq; struct proc_dir_entry *dir; + irq_handler_t thread_fn; + struct task_struct *thread; + unsigned long thread_flags; }; extern irqreturn_t no_action(int cpl, void *dev_id); -extern int __must_check request_irq(unsigned int, irq_handler_t handler, - unsigned long, const char *, void *); + +#ifdef CONFIG_GENERIC_HARDIRQS +extern int __must_check +request_threaded_irq(unsigned int irq, irq_handler_t handler, + irq_handler_t thread_fn, + unsigned long flags, const char *name, void *dev); + +static inline int __must_check +request_irq(unsigned int irq, irq_handler_t handler, unsigned long flags, + const char *name, void *dev) +{ + return request_threaded_irq(irq, handler, NULL, flags, name, dev); +} + +extern void exit_irq_thread(void); +#else + +extern int __must_check +request_irq(unsigned int irq, irq_handler_t handler, unsigned long flags, + const char *name, void *dev); + +/* + * Special function to avoid ifdeffery in kernel/irq/devres.c which + * gets magically built by GENERIC_HARDIRQS=n architectures (sparc, + * m68k). I really love these $@%#!* obvious Makefile references: + * ../../../kernel/irq/devres.o + */ +static inline int __must_check +request_threaded_irq(unsigned int irq, irq_handler_t handler, + irq_handler_t thread_fn, + unsigned long flags, const char *name, void *dev) +{ + return request_irq(irq, handler, flags, name, dev); +} + +static inline void exit_irq_thread(void) { } +#endif + extern void free_irq(unsigned int, void *); struct device; -extern int __must_check devm_request_irq(struct device *dev, unsigned int irq, - irq_handler_t handler, unsigned long irqflags, - const char *devname, void *dev_id); +extern int __must_check +devm_request_threaded_irq(struct device *dev, unsigned int irq, + irq_handler_t handler, irq_handler_t thread_fn, + unsigned long irqflags, const char *devname, + void *dev_id); + +static inline int __must_check +devm_request_irq(struct device *dev, unsigned int irq, irq_handler_t handler, + unsigned long irqflags, const char *devname, void *dev_id) +{ + return devm_request_threaded_irq(dev, irq, handler, NULL, irqflags, + devname, dev_id); +} + extern void devm_free_irq(struct device *dev, unsigned int irq, void *dev_id); /* diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h index ea330f9e7100..3bf40e246a80 100644 --- a/include/linux/ipc_namespace.h +++ b/include/linux/ipc_namespace.h @@ -25,7 +25,7 @@ struct ipc_ids { }; struct ipc_namespace { - struct kref kref; + atomic_t count; struct ipc_ids ids[3]; int sem_ctls[4]; @@ -44,25 +44,57 @@ struct ipc_namespace { int shm_tot; struct notifier_block ipcns_nb; + + /* The kern_mount of the mqueuefs sb. We take a ref on it */ + struct vfsmount *mq_mnt; + + /* # queues in this ns, protected by mq_lock */ + unsigned int mq_queues_count; + + /* next fields are set through sysctl */ + unsigned int mq_queues_max; /* initialized to DFLT_QUEUESMAX */ + unsigned int mq_msg_max; /* initialized to DFLT_MSGMAX */ + unsigned int mq_msgsize_max; /* initialized to DFLT_MSGSIZEMAX */ + }; extern struct ipc_namespace init_ipc_ns; extern atomic_t nr_ipc_ns; -#ifdef CONFIG_SYSVIPC +extern spinlock_t mq_lock; +#if defined(CONFIG_POSIX_MQUEUE) || defined(CONFIG_SYSVIPC) #define INIT_IPC_NS(ns) .ns = &init_ipc_ns, +#else +#define INIT_IPC_NS(ns) +#endif +#ifdef CONFIG_SYSVIPC extern int register_ipcns_notifier(struct ipc_namespace *); extern int cond_register_ipcns_notifier(struct ipc_namespace *); extern void unregister_ipcns_notifier(struct ipc_namespace *); extern int ipcns_notify(unsigned long); - #else /* CONFIG_SYSVIPC */ -#define INIT_IPC_NS(ns) +static inline int register_ipcns_notifier(struct ipc_namespace *ns) +{ return 0; } +static inline int cond_register_ipcns_notifier(struct ipc_namespace *ns) +{ return 0; } +static inline void unregister_ipcns_notifier(struct ipc_namespace *ns) { } +static inline int ipcns_notify(unsigned long l) { return 0; } #endif /* CONFIG_SYSVIPC */ -#if defined(CONFIG_SYSVIPC) && defined(CONFIG_IPC_NS) -extern void free_ipc_ns(struct kref *kref); +#ifdef CONFIG_POSIX_MQUEUE +extern int mq_init_ns(struct ipc_namespace *ns); +/* default values */ +#define DFLT_QUEUESMAX 256 /* max number of message queues */ +#define DFLT_MSGMAX 10 /* max number of messages in each queue */ +#define HARD_MSGMAX (131072/sizeof(void *)) +#define DFLT_MSGSIZEMAX 8192 /* max message size */ +#else +static inline int mq_init_ns(struct ipc_namespace *ns) { return 0; } +#endif + +#if defined(CONFIG_IPC_NS) +extern void free_ipc_ns(struct ipc_namespace *ns); extern struct ipc_namespace *copy_ipcs(unsigned long flags, struct ipc_namespace *ns); extern void free_ipcs(struct ipc_namespace *ns, struct ipc_ids *ids, @@ -72,14 +104,11 @@ extern void free_ipcs(struct ipc_namespace *ns, struct ipc_ids *ids, static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns) { if (ns) - kref_get(&ns->kref); + atomic_inc(&ns->count); return ns; } -static inline void put_ipc_ns(struct ipc_namespace *ns) -{ - kref_put(&ns->kref, free_ipc_ns); -} +extern void put_ipc_ns(struct ipc_namespace *ns); #else static inline struct ipc_namespace *copy_ipcs(unsigned long flags, struct ipc_namespace *ns) @@ -99,4 +128,18 @@ static inline void put_ipc_ns(struct ipc_namespace *ns) { } #endif + +#ifdef CONFIG_POSIX_MQUEUE_SYSCTL + +struct ctl_table_header; +extern struct ctl_table_header *mq_register_sysctl_table(void); + +#else /* CONFIG_POSIX_MQUEUE_SYSCTL */ + +static inline struct ctl_table_header *mq_register_sysctl_table(void) +{ + return NULL; +} + +#endif /* CONFIG_POSIX_MQUEUE_SYSCTL */ #endif diff --git a/include/linux/irq.h b/include/linux/irq.h index 974890b3c52f..ca507c9426b0 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -22,6 +22,7 @@ #include <linux/irqnr.h> #include <linux/errno.h> #include <linux/topology.h> +#include <linux/wait.h> #include <asm/irq.h> #include <asm/ptrace.h> @@ -158,6 +159,8 @@ struct irq_2_iommu; * @affinity: IRQ affinity on SMP * @cpu: cpu index useful for balancing * @pending_mask: pending rebalanced interrupts + * @threads_active: number of irqaction threads currently running + * @wait_for_threads: wait queue for sync_irq to wait for threaded handlers * @dir: /proc/irq/ procfs entry * @name: flow handler name for /proc/interrupts output */ @@ -189,6 +192,8 @@ struct irq_desc { cpumask_var_t pending_mask; #endif #endif + atomic_t threads_active; + wait_queue_head_t wait_for_threads; #ifdef CONFIG_PROC_FS struct proc_dir_entry *dir; #endif diff --git a/include/linux/irqreturn.h b/include/linux/irqreturn.h index c5584ca5b8c9..819acaaac3f5 100644 --- a/include/linux/irqreturn.h +++ b/include/linux/irqreturn.h @@ -5,10 +5,12 @@ * enum irqreturn * @IRQ_NONE interrupt was not from this device * @IRQ_HANDLED interrupt was handled by this device + * @IRQ_WAKE_THREAD handler requests to wake the handler thread */ enum irqreturn { IRQ_NONE, IRQ_HANDLED, + IRQ_WAKE_THREAD, }; typedef enum irqreturn irqreturn_t; diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h index 2ec6cc14a114..bcd9c07848be 100644 --- a/include/linux/kprobes.h +++ b/include/linux/kprobes.h @@ -94,12 +94,16 @@ struct kprobe { /* Called after addr is executed, unless... */ kprobe_post_handler_t post_handler; - /* ... called if executing addr causes a fault (eg. page fault). - * Return 1 if it handled fault, otherwise kernel will see it. */ + /* + * ... called if executing addr causes a fault (eg. page fault). + * Return 1 if it handled fault, otherwise kernel will see it. + */ kprobe_fault_handler_t fault_handler; - /* ... called if breakpoint trap occurs in probe handler. - * Return 1 if it handled break, otherwise kernel will see it. */ + /* + * ... called if breakpoint trap occurs in probe handler. + * Return 1 if it handled break, otherwise kernel will see it. + */ kprobe_break_handler_t break_handler; /* Saved opcode (which has been replaced with breakpoint) */ @@ -108,18 +112,28 @@ struct kprobe { /* copy of the original instruction */ struct arch_specific_insn ainsn; - /* Indicates various status flags. Protected by kprobe_mutex. */ + /* + * Indicates various status flags. + * Protected by kprobe_mutex after this kprobe is registered. + */ u32 flags; }; /* Kprobe status flags */ #define KPROBE_FLAG_GONE 1 /* breakpoint has already gone */ +#define KPROBE_FLAG_DISABLED 2 /* probe is temporarily disabled */ +/* Has this kprobe gone ? */ static inline int kprobe_gone(struct kprobe *p) { return p->flags & KPROBE_FLAG_GONE; } +/* Is this kprobe disabled ? */ +static inline int kprobe_disabled(struct kprobe *p) +{ + return p->flags & (KPROBE_FLAG_DISABLED | KPROBE_FLAG_GONE); +} /* * Special probe type that uses setjmp-longjmp type tricks to resume * execution at a specified entry with a matching prototype corresponding @@ -279,6 +293,9 @@ void unregister_kretprobes(struct kretprobe **rps, int num); void kprobe_flush_task(struct task_struct *tk); void recycle_rp_inst(struct kretprobe_instance *ri, struct hlist_head *head); +int disable_kprobe(struct kprobe *kp); +int enable_kprobe(struct kprobe *kp); + #else /* !CONFIG_KPROBES: */ static inline int kprobes_built_in(void) @@ -345,5 +362,30 @@ static inline void unregister_kretprobes(struct kretprobe **rps, int num) static inline void kprobe_flush_task(struct task_struct *tk) { } +static inline int disable_kprobe(struct kprobe *kp) +{ + return -ENOSYS; +} +static inline int enable_kprobe(struct kprobe *kp) +{ + return -ENOSYS; +} #endif /* CONFIG_KPROBES */ +static inline int disable_kretprobe(struct kretprobe *rp) +{ + return disable_kprobe(&rp->kp); +} +static inline int enable_kretprobe(struct kretprobe *rp) +{ + return enable_kprobe(&rp->kp); +} +static inline int disable_jprobe(struct jprobe *jp) +{ + return disable_kprobe(&jp->kp); +} +static inline int enable_jprobe(struct jprobe *jp) +{ + return enable_kprobe(&jp->kp); +} + #endif /* _LINUX_KPROBES_H */ diff --git a/include/linux/mg_disk.h b/include/linux/mg_disk.h new file mode 100644 index 000000000000..1f76b1ebf627 --- /dev/null +++ b/include/linux/mg_disk.h @@ -0,0 +1,206 @@ +/* + * include/linux/mg_disk.c + * + * Support for the mGine m[g]flash IO mode. + * Based on legacy hd.c + * + * (c) 2008 mGine Co.,LTD + * (c) 2008 unsik Kim <donari75@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __MG_DISK_H__ +#define __MG_DISK_H__ + +#include <linux/blkdev.h> +#include <linux/ata.h> + +/* name for block device */ +#define MG_DISK_NAME "mgd" +/* name for platform device */ +#define MG_DEV_NAME "mg_disk" + +#define MG_DISK_MAJ 0 +#define MG_DISK_MAX_PART 16 +#define MG_SECTOR_SIZE 512 +#define MG_MAX_SECTS 256 + +/* Register offsets */ +#define MG_BUFF_OFFSET 0x8000 +#define MG_STORAGE_BUFFER_SIZE 0x200 +#define MG_REG_OFFSET 0xC000 +#define MG_REG_FEATURE (MG_REG_OFFSET + 2) /* write case */ +#define MG_REG_ERROR (MG_REG_OFFSET + 2) /* read case */ +#define MG_REG_SECT_CNT (MG_REG_OFFSET + 4) +#define MG_REG_SECT_NUM (MG_REG_OFFSET + 6) +#define MG_REG_CYL_LOW (MG_REG_OFFSET + 8) +#define MG_REG_CYL_HIGH (MG_REG_OFFSET + 0xA) +#define MG_REG_DRV_HEAD (MG_REG_OFFSET + 0xC) +#define MG_REG_COMMAND (MG_REG_OFFSET + 0xE) /* write case */ +#define MG_REG_STATUS (MG_REG_OFFSET + 0xE) /* read case */ +#define MG_REG_DRV_CTRL (MG_REG_OFFSET + 0x10) +#define MG_REG_BURST_CTRL (MG_REG_OFFSET + 0x12) + +/* "Drive Select/Head Register" bit values */ +#define MG_REG_HEAD_MUST_BE_ON 0xA0 /* These 2 bits are always on */ +#define MG_REG_HEAD_DRIVE_MASTER (0x00 | MG_REG_HEAD_MUST_BE_ON) +#define MG_REG_HEAD_DRIVE_SLAVE (0x10 | MG_REG_HEAD_MUST_BE_ON) +#define MG_REG_HEAD_LBA_MODE (0x40 | MG_REG_HEAD_MUST_BE_ON) + + +/* "Device Control Register" bit values */ +#define MG_REG_CTRL_INTR_ENABLE 0x0 +#define MG_REG_CTRL_INTR_DISABLE (0x1<<1) +#define MG_REG_CTRL_RESET (0x1<<2) +#define MG_REG_CTRL_INTR_POLA_ACTIVE_HIGH 0x0 +#define MG_REG_CTRL_INTR_POLA_ACTIVE_LOW (0x1<<4) +#define MG_REG_CTRL_DPD_POLA_ACTIVE_LOW 0x0 +#define MG_REG_CTRL_DPD_POLA_ACTIVE_HIGH (0x1<<5) +#define MG_REG_CTRL_DPD_DISABLE 0x0 +#define MG_REG_CTRL_DPD_ENABLE (0x1<<6) + +/* Status register bit */ +/* error bit in status register */ +#define MG_REG_STATUS_BIT_ERROR 0x01 +/* corrected error in status register */ +#define MG_REG_STATUS_BIT_CORRECTED_ERROR 0x04 +/* data request bit in status register */ +#define MG_REG_STATUS_BIT_DATA_REQ 0x08 +/* DSC - Drive Seek Complete */ +#define MG_REG_STATUS_BIT_SEEK_DONE 0x10 +/* DWF - Drive Write Fault */ +#define MG_REG_STATUS_BIT_WRITE_FAULT 0x20 +#define MG_REG_STATUS_BIT_READY 0x40 +#define MG_REG_STATUS_BIT_BUSY 0x80 + +/* handy status */ +#define MG_STAT_READY (MG_REG_STATUS_BIT_READY | MG_REG_STATUS_BIT_SEEK_DONE) +#define MG_READY_OK(s) (((s) & (MG_STAT_READY | \ + (MG_REG_STATUS_BIT_BUSY | \ + MG_REG_STATUS_BIT_WRITE_FAULT | \ + MG_REG_STATUS_BIT_ERROR))) == MG_STAT_READY) + +/* Error register */ +#define MG_REG_ERR_AMNF 0x01 +#define MG_REG_ERR_ABRT 0x04 +#define MG_REG_ERR_IDNF 0x10 +#define MG_REG_ERR_UNC 0x40 +#define MG_REG_ERR_BBK 0x80 + +/* error code for others */ +#define MG_ERR_NONE 0 +#define MG_ERR_TIMEOUT 0x100 +#define MG_ERR_INIT_STAT 0x101 +#define MG_ERR_TRANSLATION 0x102 +#define MG_ERR_CTRL_RST 0x103 +#define MG_ERR_INV_STAT 0x104 +#define MG_ERR_RSTOUT 0x105 + +#define MG_MAX_ERRORS 6 /* Max read/write errors */ + +/* command */ +#define MG_CMD_RD 0x20 +#define MG_CMD_WR 0x30 +#define MG_CMD_SLEEP 0x99 +#define MG_CMD_WAKEUP 0xC3 +#define MG_CMD_ID 0xEC +#define MG_CMD_WR_CONF 0x3C +#define MG_CMD_RD_CONF 0x40 + +/* operation mode */ +#define MG_OP_CASCADE (1 << 0) +#define MG_OP_CASCADE_SYNC_RD (1 << 1) +#define MG_OP_CASCADE_SYNC_WR (1 << 2) +#define MG_OP_INTERLEAVE (1 << 3) + +/* synchronous */ +#define MG_BURST_LAT_4 (3 << 4) +#define MG_BURST_LAT_5 (4 << 4) +#define MG_BURST_LAT_6 (5 << 4) +#define MG_BURST_LAT_7 (6 << 4) +#define MG_BURST_LAT_8 (7 << 4) +#define MG_BURST_LEN_4 (1 << 1) +#define MG_BURST_LEN_8 (2 << 1) +#define MG_BURST_LEN_16 (3 << 1) +#define MG_BURST_LEN_32 (4 << 1) +#define MG_BURST_LEN_CONT (0 << 1) + +/* timeout value (unit: ms) */ +#define MG_TMAX_CONF_TO_CMD 1 +#define MG_TMAX_WAIT_RD_DRQ 10 +#define MG_TMAX_WAIT_WR_DRQ 500 +#define MG_TMAX_RST_TO_BUSY 10 +#define MG_TMAX_HDRST_TO_RDY 500 +#define MG_TMAX_SWRST_TO_RDY 500 +#define MG_TMAX_RSTOUT 3000 + +/* device attribution */ +/* use mflash as boot device */ +#define MG_BOOT_DEV (1 << 0) +/* use mflash as storage device */ +#define MG_STORAGE_DEV (1 << 1) +/* same as MG_STORAGE_DEV, but bootloader already done reset sequence */ +#define MG_STORAGE_DEV_SKIP_RST (1 << 2) + +#define MG_DEV_MASK (MG_BOOT_DEV | MG_STORAGE_DEV | MG_STORAGE_DEV_SKIP_RST) + +/* names of GPIO resource */ +#define MG_RST_PIN "mg_rst" +/* except MG_BOOT_DEV, reset-out pin should be assigned */ +#define MG_RSTOUT_PIN "mg_rstout" + +/* private driver data */ +struct mg_drv_data { + /* disk resource */ + u32 use_polling; + + /* device attribution */ + u32 dev_attr; + + /* internally used */ + struct mg_host *host; +}; + +/* main structure for mflash driver */ +struct mg_host { + struct device *dev; + + struct request_queue *breq; + spinlock_t lock; + struct gendisk *gd; + + struct timer_list timer; + void (*mg_do_intr) (struct mg_host *); + + u16 id[ATA_ID_WORDS]; + + u16 cyls; + u16 heads; + u16 sectors; + u32 n_sectors; + u32 nres_sectors; + + void __iomem *dev_base; + unsigned int irq; + unsigned int rst; + unsigned int rstout; + + u32 major; + u32 error; +}; + +/* + * Debugging macro and defines + */ +#undef DO_MG_DEBUG +#ifdef DO_MG_DEBUG +# define MG_DBG(fmt, args...) \ + printk(KERN_DEBUG "%s:%d "fmt, __func__, __LINE__, ##args) +#else /* CONFIG_MG_DEBUG */ +# define MG_DBG(fmt, args...) do { } while (0) +#endif /* CONFIG_MG_DEBUG */ + +#endif diff --git a/include/linux/nilfs2_fs.h b/include/linux/nilfs2_fs.h new file mode 100644 index 000000000000..79fec6af3f9f --- /dev/null +++ b/include/linux/nilfs2_fs.h @@ -0,0 +1,801 @@ +/* + * nilfs2_fs.h - NILFS2 on-disk structures and common declarations. + * + * Copyright (C) 2005-2008 Nippon Telegraph and Telephone Corporation. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + * Written by Koji Sato <koji@osrg.net> + * Ryusuke Konishi <ryusuke@osrg.net> + */ +/* + * linux/include/linux/ext2_fs.h + * + * Copyright (C) 1992, 1993, 1994, 1995 + * Remy Card (card@masi.ibp.fr) + * Laboratoire MASI - Institut Blaise Pascal + * Universite Pierre et Marie Curie (Paris VI) + * + * from + * + * linux/include/linux/minix_fs.h + * + * Copyright (C) 1991, 1992 Linus Torvalds + */ + +#ifndef _LINUX_NILFS_FS_H +#define _LINUX_NILFS_FS_H + +#include <linux/types.h> +#include <linux/ioctl.h> + +/* + * Inode flags stored in nilfs_inode and on-memory nilfs inode + * + * We define these flags based on ext2-fs because of the + * compatibility reason; to avoid problems in chattr(1) + */ +#define NILFS_SECRM_FL 0x00000001 /* Secure deletion */ +#define NILFS_UNRM_FL 0x00000002 /* Undelete */ +#define NILFS_SYNC_FL 0x00000008 /* Synchronous updates */ +#define NILFS_IMMUTABLE_FL 0x00000010 /* Immutable file */ +#define NILFS_APPEND_FL 0x00000020 /* writes to file may only append */ +#define NILFS_NODUMP_FL 0x00000040 /* do not dump file */ +#define NILFS_NOATIME_FL 0x00000080 /* do not update atime */ +/* Reserved for compression usage... */ +#define NILFS_NOTAIL_FL 0x00008000 /* file tail should not be merged */ +#define NILFS_DIRSYNC_FL 0x00010000 /* dirsync behaviour */ + +#define NILFS_FL_USER_VISIBLE 0x0003DFFF /* User visible flags */ +#define NILFS_FL_USER_MODIFIABLE 0x000380FF /* User modifiable flags */ + + +#define NILFS_INODE_BMAP_SIZE 7 +/** + * struct nilfs_inode - structure of an inode on disk + * @i_blocks: blocks count + * @i_size: size in bytes + * @i_ctime: creation time (seconds) + * @i_mtime: modification time (seconds) + * @i_ctime_nsec: creation time (nano seconds) + * @i_mtime_nsec: modification time (nano seconds) + * @i_uid: user id + * @i_gid: group id + * @i_mode: file mode + * @i_links_count: links count + * @i_flags: file flags + * @i_bmap: block mapping + * @i_xattr: extended attributes + * @i_generation: file generation (for NFS) + * @i_pad: padding + */ +struct nilfs_inode { + __le64 i_blocks; + __le64 i_size; + __le64 i_ctime; + __le64 i_mtime; + __le32 i_ctime_nsec; + __le32 i_mtime_nsec; + __le32 i_uid; + __le32 i_gid; + __le16 i_mode; + __le16 i_links_count; + __le32 i_flags; + __le64 i_bmap[NILFS_INODE_BMAP_SIZE]; +#define i_device_code i_bmap[0] + __le64 i_xattr; + __le32 i_generation; + __le32 i_pad; +}; + +/** + * struct nilfs_super_root - structure of super root + * @sr_sum: check sum + * @sr_bytes: byte count of the structure + * @sr_flags: flags (reserved) + * @sr_nongc_ctime: write time of the last segment not for cleaner operation + * @sr_dat: DAT file inode + * @sr_cpfile: checkpoint file inode + * @sr_sufile: segment usage file inode + */ +struct nilfs_super_root { + __le32 sr_sum; + __le16 sr_bytes; + __le16 sr_flags; + __le64 sr_nongc_ctime; + struct nilfs_inode sr_dat; + struct nilfs_inode sr_cpfile; + struct nilfs_inode sr_sufile; +}; + +#define NILFS_SR_MDT_OFFSET(inode_size, i) \ + ((unsigned long)&((struct nilfs_super_root *)0)->sr_dat + \ + (inode_size) * (i)) +#define NILFS_SR_DAT_OFFSET(inode_size) NILFS_SR_MDT_OFFSET(inode_size, 0) +#define NILFS_SR_CPFILE_OFFSET(inode_size) NILFS_SR_MDT_OFFSET(inode_size, 1) +#define NILFS_SR_SUFILE_OFFSET(inode_size) NILFS_SR_MDT_OFFSET(inode_size, 2) +#define NILFS_SR_BYTES (sizeof(struct nilfs_super_root)) + +/* + * Maximal mount counts + */ +#define NILFS_DFL_MAX_MNT_COUNT 50 /* 50 mounts */ + +/* + * File system states (sbp->s_state, nilfs->ns_mount_state) + */ +#define NILFS_VALID_FS 0x0001 /* Unmounted cleanly */ +#define NILFS_ERROR_FS 0x0002 /* Errors detected */ +#define NILFS_RESIZE_FS 0x0004 /* Resize required */ + +/* + * Mount flags (sbi->s_mount_opt) + */ +#define NILFS_MOUNT_ERROR_MODE 0x0070 /* Error mode mask */ +#define NILFS_MOUNT_ERRORS_CONT 0x0010 /* Continue on errors */ +#define NILFS_MOUNT_ERRORS_RO 0x0020 /* Remount fs ro on errors */ +#define NILFS_MOUNT_ERRORS_PANIC 0x0040 /* Panic on errors */ +#define NILFS_MOUNT_SNAPSHOT 0x0080 /* Snapshot flag */ +#define NILFS_MOUNT_BARRIER 0x1000 /* Use block barriers */ +#define NILFS_MOUNT_STRICT_ORDER 0x2000 /* Apply strict in-order + semantics also for data */ + + +/** + * struct nilfs_super_block - structure of super block on disk + */ +struct nilfs_super_block { + __le32 s_rev_level; /* Revision level */ + __le16 s_minor_rev_level; /* minor revision level */ + __le16 s_magic; /* Magic signature */ + + __le16 s_bytes; /* Bytes count of CRC calculation + for this structure. s_reserved + is excluded. */ + __le16 s_flags; /* flags */ + __le32 s_crc_seed; /* Seed value of CRC calculation */ + __le32 s_sum; /* Check sum of super block */ + + __le32 s_log_block_size; /* Block size represented as follows + blocksize = + 1 << (s_log_block_size + 10) */ + __le64 s_nsegments; /* Number of segments in filesystem */ + __le64 s_dev_size; /* block device size in bytes */ + __le64 s_first_data_block; /* 1st seg disk block number */ + __le32 s_blocks_per_segment; /* number of blocks per full segment */ + __le32 s_r_segments_percentage; /* Reserved segments percentage */ + + __le64 s_last_cno; /* Last checkpoint number */ + __le64 s_last_pseg; /* disk block addr pseg written last */ + __le64 s_last_seq; /* seq. number of seg written last */ + __le64 s_free_blocks_count; /* Free blocks count */ + + __le64 s_ctime; /* Creation time (execution time of + newfs) */ + __le64 s_mtime; /* Mount time */ + __le64 s_wtime; /* Write time */ + __le16 s_mnt_count; /* Mount count */ + __le16 s_max_mnt_count; /* Maximal mount count */ + __le16 s_state; /* File system state */ + __le16 s_errors; /* Behaviour when detecting errors */ + __le64 s_lastcheck; /* time of last check */ + + __le32 s_checkinterval; /* max. time between checks */ + __le32 s_creator_os; /* OS */ + __le16 s_def_resuid; /* Default uid for reserved blocks */ + __le16 s_def_resgid; /* Default gid for reserved blocks */ + __le32 s_first_ino; /* First non-reserved inode */ + + __le16 s_inode_size; /* Size of an inode */ + __le16 s_dat_entry_size; /* Size of a dat entry */ + __le16 s_checkpoint_size; /* Size of a checkpoint */ + __le16 s_segment_usage_size; /* Size of a segment usage */ + + __u8 s_uuid[16]; /* 128-bit uuid for volume */ + char s_volume_name[16]; /* volume name */ + char s_last_mounted[64]; /* directory where last mounted */ + + __le32 s_c_interval; /* Commit interval of segment */ + __le32 s_c_block_max; /* Threshold of data amount for + the segment construction */ + __u32 s_reserved[192]; /* padding to the end of the block */ +}; + +/* + * Codes for operating systems + */ +#define NILFS_OS_LINUX 0 +/* Codes from 1 to 4 are reserved to keep compatibility with ext2 creator-OS */ + +/* + * Revision levels + */ +#define NILFS_CURRENT_REV 2 /* current major revision */ +#define NILFS_MINOR_REV 0 /* minor revision */ + +/* + * Bytes count of super_block for CRC-calculation + */ +#define NILFS_SB_BYTES \ + ((long)&((struct nilfs_super_block *)0)->s_reserved) + +/* + * Special inode number + */ +#define NILFS_ROOT_INO 2 /* Root file inode */ +#define NILFS_DAT_INO 3 /* DAT file */ +#define NILFS_CPFILE_INO 4 /* checkpoint file */ +#define NILFS_SUFILE_INO 5 /* segment usage file */ +#define NILFS_IFILE_INO 6 /* ifile */ +#define NILFS_ATIME_INO 7 /* Atime file (reserved) */ +#define NILFS_XATTR_INO 8 /* Xattribute file (reserved) */ +#define NILFS_SKETCH_INO 10 /* Sketch file */ +#define NILFS_USER_INO 11 /* Fisrt user's file inode number */ + +#define NILFS_SB_OFFSET_BYTES 1024 /* byte offset of nilfs superblock */ +#define NILFS_SUPER_MAGIC 0x3434 /* NILFS filesystem magic number */ + +#define NILFS_SEG_MIN_BLOCKS 16 /* Minimum number of blocks in + a full segment */ +#define NILFS_PSEG_MIN_BLOCKS 2 /* Minimum number of blocks in + a partial segment */ +#define NILFS_MIN_NRSVSEGS 8 /* Minimum number of reserved + segments */ + +/* + * bytes offset of secondary super block + */ +#define NILFS_SB2_OFFSET_BYTES(devsize) ((((devsize) >> 12) - 1) << 12) + +/* + * Maximal count of links to a file + */ +#define NILFS_LINK_MAX 32000 + +/* + * Structure of a directory entry + * (Same as ext2) + */ + +#define NILFS_NAME_LEN 255 + +/* + * The new version of the directory entry. Since V0 structures are + * stored in intel byte order, and the name_len field could never be + * bigger than 255 chars, it's safe to reclaim the extra byte for the + * file_type field. + */ +struct nilfs_dir_entry { + __le64 inode; /* Inode number */ + __le16 rec_len; /* Directory entry length */ + __u8 name_len; /* Name length */ + __u8 file_type; + char name[NILFS_NAME_LEN]; /* File name */ + char pad; +}; + +/* + * NILFS directory file types. Only the low 3 bits are used. The + * other bits are reserved for now. + */ +enum { + NILFS_FT_UNKNOWN, + NILFS_FT_REG_FILE, + NILFS_FT_DIR, + NILFS_FT_CHRDEV, + NILFS_FT_BLKDEV, + NILFS_FT_FIFO, + NILFS_FT_SOCK, + NILFS_FT_SYMLINK, + NILFS_FT_MAX +}; + +/* + * NILFS_DIR_PAD defines the directory entries boundaries + * + * NOTE: It must be a multiple of 8 + */ +#define NILFS_DIR_PAD 8 +#define NILFS_DIR_ROUND (NILFS_DIR_PAD - 1) +#define NILFS_DIR_REC_LEN(name_len) (((name_len) + 12 + NILFS_DIR_ROUND) & \ + ~NILFS_DIR_ROUND) + + +/** + * struct nilfs_finfo - file information + * @fi_ino: inode number + * @fi_cno: checkpoint number + * @fi_nblocks: number of blocks (including intermediate blocks) + * @fi_ndatablk: number of file data blocks + */ +struct nilfs_finfo { + __le64 fi_ino; + __le64 fi_cno; + __le32 fi_nblocks; + __le32 fi_ndatablk; + /* array of virtual block numbers */ +}; + +/** + * struct nilfs_binfo_v - information for the block to which a virtual block number is assigned + * @bi_vblocknr: virtual block number + * @bi_blkoff: block offset + */ +struct nilfs_binfo_v { + __le64 bi_vblocknr; + __le64 bi_blkoff; +}; + +/** + * struct nilfs_binfo_dat - information for the block which belongs to the DAT file + * @bi_blkoff: block offset + * @bi_level: level + * @bi_pad: padding + */ +struct nilfs_binfo_dat { + __le64 bi_blkoff; + __u8 bi_level; + __u8 bi_pad[7]; +}; + +/** + * union nilfs_binfo: block information + * @bi_v: nilfs_binfo_v structure + * @bi_dat: nilfs_binfo_dat structure + */ +union nilfs_binfo { + struct nilfs_binfo_v bi_v; + struct nilfs_binfo_dat bi_dat; +}; + +/** + * struct nilfs_segment_summary - segment summary + * @ss_datasum: checksum of data + * @ss_sumsum: checksum of segment summary + * @ss_magic: magic number + * @ss_bytes: size of this structure in bytes + * @ss_flags: flags + * @ss_seq: sequence number + * @ss_create: creation timestamp + * @ss_next: next segment + * @ss_nblocks: number of blocks + * @ss_nfinfo: number of finfo structures + * @ss_sumbytes: total size of segment summary in bytes + * @ss_pad: padding + */ +struct nilfs_segment_summary { + __le32 ss_datasum; + __le32 ss_sumsum; + __le32 ss_magic; + __le16 ss_bytes; + __le16 ss_flags; + __le64 ss_seq; + __le64 ss_create; + __le64 ss_next; + __le32 ss_nblocks; + __le32 ss_nfinfo; + __le32 ss_sumbytes; + __le32 ss_pad; + /* array of finfo structures */ +}; + +#define NILFS_SEGSUM_MAGIC 0x1eaffa11 /* segment summary magic number */ + +/* + * Segment summary flags + */ +#define NILFS_SS_LOGBGN 0x0001 /* begins a logical segment */ +#define NILFS_SS_LOGEND 0x0002 /* ends a logical segment */ +#define NILFS_SS_SR 0x0004 /* has super root */ +#define NILFS_SS_SYNDT 0x0008 /* includes data only updates */ +#define NILFS_SS_GC 0x0010 /* segment written for cleaner operation */ + +/** + * struct nilfs_palloc_group_desc - block group descriptor + * @pg_nfrees: number of free entries in block group + */ +struct nilfs_palloc_group_desc { + __le32 pg_nfrees; +}; + +/** + * struct nilfs_dat_entry - disk address translation entry + * @dt_blocknr: block number + * @dt_start: start checkpoint number + * @dt_end: end checkpoint number + * @dt_rsv: reserved for future use + */ +struct nilfs_dat_entry { + __le64 de_blocknr; + __le64 de_start; + __le64 de_end; + __le64 de_rsv; +}; + +/** + * struct nilfs_dat_group_desc - block group descriptor + * @dg_nfrees: number of free virtual block numbers in block group + */ +struct nilfs_dat_group_desc { + __le32 dg_nfrees; +}; + + +/** + * struct nilfs_snapshot_list - snapshot list + * @ssl_next: next checkpoint number on snapshot list + * @ssl_prev: previous checkpoint number on snapshot list + */ +struct nilfs_snapshot_list { + __le64 ssl_next; + __le64 ssl_prev; +}; + +/** + * struct nilfs_checkpoint - checkpoint structure + * @cp_flags: flags + * @cp_checkpoints_count: checkpoints count in a block + * @cp_snapshot_list: snapshot list + * @cp_cno: checkpoint number + * @cp_create: creation timestamp + * @cp_nblk_inc: number of blocks incremented by this checkpoint + * @cp_inodes_count: inodes count + * @cp_blocks_count: blocks count + * @cp_ifile_inode: inode of ifile + */ +struct nilfs_checkpoint { + __le32 cp_flags; + __le32 cp_checkpoints_count; + struct nilfs_snapshot_list cp_snapshot_list; + __le64 cp_cno; + __le64 cp_create; + __le64 cp_nblk_inc; + __le64 cp_inodes_count; + __le64 cp_blocks_count; /* Reserved (might be deleted) */ + + /* Do not change the byte offset of ifile inode. + To keep the compatibility of the disk format, + additional fields should be added behind cp_ifile_inode. */ + struct nilfs_inode cp_ifile_inode; +}; + +/* checkpoint flags */ +enum { + NILFS_CHECKPOINT_SNAPSHOT, + NILFS_CHECKPOINT_INVALID, + NILFS_CHECKPOINT_SKETCH, + NILFS_CHECKPOINT_MINOR, +}; + +#define NILFS_CHECKPOINT_FNS(flag, name) \ +static inline void \ +nilfs_checkpoint_set_##name(struct nilfs_checkpoint *cp) \ +{ \ + cp->cp_flags = cpu_to_le32(le32_to_cpu(cp->cp_flags) | \ + (1UL << NILFS_CHECKPOINT_##flag)); \ +} \ +static inline void \ +nilfs_checkpoint_clear_##name(struct nilfs_checkpoint *cp) \ +{ \ + cp->cp_flags = cpu_to_le32(le32_to_cpu(cp->cp_flags) & \ + ~(1UL << NILFS_CHECKPOINT_##flag)); \ +} \ +static inline int \ +nilfs_checkpoint_##name(const struct nilfs_checkpoint *cp) \ +{ \ + return !!(le32_to_cpu(cp->cp_flags) & \ + (1UL << NILFS_CHECKPOINT_##flag)); \ +} + +NILFS_CHECKPOINT_FNS(SNAPSHOT, snapshot) +NILFS_CHECKPOINT_FNS(INVALID, invalid) +NILFS_CHECKPOINT_FNS(MINOR, minor) + +/** + * struct nilfs_cpinfo - checkpoint information + * @ci_flags: flags + * @ci_pad: padding + * @ci_cno: checkpoint number + * @ci_create: creation timestamp + * @ci_nblk_inc: number of blocks incremented by this checkpoint + * @ci_inodes_count: inodes count + * @ci_blocks_count: blocks count + * @ci_next: next checkpoint number in snapshot list + */ +struct nilfs_cpinfo { + __u32 ci_flags; + __u32 ci_pad; + __u64 ci_cno; + __u64 ci_create; + __u64 ci_nblk_inc; + __u64 ci_inodes_count; + __u64 ci_blocks_count; + __u64 ci_next; +}; + +#define NILFS_CPINFO_FNS(flag, name) \ +static inline int \ +nilfs_cpinfo_##name(const struct nilfs_cpinfo *cpinfo) \ +{ \ + return !!(cpinfo->ci_flags & (1UL << NILFS_CHECKPOINT_##flag)); \ +} + +NILFS_CPINFO_FNS(SNAPSHOT, snapshot) +NILFS_CPINFO_FNS(INVALID, invalid) +NILFS_CPINFO_FNS(MINOR, minor) + + +/** + * struct nilfs_cpfile_header - checkpoint file header + * @ch_ncheckpoints: number of checkpoints + * @ch_nsnapshots: number of snapshots + * @ch_snapshot_list: snapshot list + */ +struct nilfs_cpfile_header { + __le64 ch_ncheckpoints; + __le64 ch_nsnapshots; + struct nilfs_snapshot_list ch_snapshot_list; +}; + +#define NILFS_CPFILE_FIRST_CHECKPOINT_OFFSET \ + ((sizeof(struct nilfs_cpfile_header) + \ + sizeof(struct nilfs_checkpoint) - 1) / \ + sizeof(struct nilfs_checkpoint)) + +/** + * struct nilfs_segment_usage - segment usage + * @su_lastmod: last modified timestamp + * @su_nblocks: number of blocks in segment + * @su_flags: flags + */ +struct nilfs_segment_usage { + __le64 su_lastmod; + __le32 su_nblocks; + __le32 su_flags; +}; + +/* segment usage flag */ +enum { + NILFS_SEGMENT_USAGE_ACTIVE, + NILFS_SEGMENT_USAGE_DIRTY, + NILFS_SEGMENT_USAGE_ERROR, + + /* ... */ +}; + +#define NILFS_SEGMENT_USAGE_FNS(flag, name) \ +static inline void \ +nilfs_segment_usage_set_##name(struct nilfs_segment_usage *su) \ +{ \ + su->su_flags = cpu_to_le32(le32_to_cpu(su->su_flags) | \ + (1UL << NILFS_SEGMENT_USAGE_##flag));\ +} \ +static inline void \ +nilfs_segment_usage_clear_##name(struct nilfs_segment_usage *su) \ +{ \ + su->su_flags = \ + cpu_to_le32(le32_to_cpu(su->su_flags) & \ + ~(1UL << NILFS_SEGMENT_USAGE_##flag)); \ +} \ +static inline int \ +nilfs_segment_usage_##name(const struct nilfs_segment_usage *su) \ +{ \ + return !!(le32_to_cpu(su->su_flags) & \ + (1UL << NILFS_SEGMENT_USAGE_##flag)); \ +} + +NILFS_SEGMENT_USAGE_FNS(ACTIVE, active) +NILFS_SEGMENT_USAGE_FNS(DIRTY, dirty) +NILFS_SEGMENT_USAGE_FNS(ERROR, error) + +static inline void +nilfs_segment_usage_set_clean(struct nilfs_segment_usage *su) +{ + su->su_lastmod = cpu_to_le64(0); + su->su_nblocks = cpu_to_le32(0); + su->su_flags = cpu_to_le32(0); +} + +static inline int +nilfs_segment_usage_clean(const struct nilfs_segment_usage *su) +{ + return !le32_to_cpu(su->su_flags); +} + +/** + * struct nilfs_sufile_header - segment usage file header + * @sh_ncleansegs: number of clean segments + * @sh_ndirtysegs: number of dirty segments + * @sh_last_alloc: last allocated segment number + */ +struct nilfs_sufile_header { + __le64 sh_ncleansegs; + __le64 sh_ndirtysegs; + __le64 sh_last_alloc; + /* ... */ +}; + +#define NILFS_SUFILE_FIRST_SEGMENT_USAGE_OFFSET \ + ((sizeof(struct nilfs_sufile_header) + \ + sizeof(struct nilfs_segment_usage) - 1) / \ + sizeof(struct nilfs_segment_usage)) + +/** + * nilfs_suinfo - segment usage information + * @sui_lastmod: + * @sui_nblocks: + * @sui_flags: + */ +struct nilfs_suinfo { + __u64 sui_lastmod; + __u32 sui_nblocks; + __u32 sui_flags; +}; + +#define NILFS_SUINFO_FNS(flag, name) \ +static inline int \ +nilfs_suinfo_##name(const struct nilfs_suinfo *si) \ +{ \ + return si->sui_flags & (1UL << NILFS_SEGMENT_USAGE_##flag); \ +} + +NILFS_SUINFO_FNS(ACTIVE, active) +NILFS_SUINFO_FNS(DIRTY, dirty) +NILFS_SUINFO_FNS(ERROR, error) + +static inline int nilfs_suinfo_clean(const struct nilfs_suinfo *si) +{ + return !si->sui_flags; +} + +/* ioctl */ +enum { + NILFS_CHECKPOINT, + NILFS_SNAPSHOT, +}; + +/** + * struct nilfs_cpmode - + * @cc_cno: + * @cc_mode: + */ +struct nilfs_cpmode { + __u64 cm_cno; + __u32 cm_mode; + __u32 cm_pad; +}; + +/** + * struct nilfs_argv - argument vector + * @v_base: + * @v_nmembs: + * @v_size: + * @v_flags: + * @v_index: + */ +struct nilfs_argv { + __u64 v_base; + __u32 v_nmembs; /* number of members */ + __u16 v_size; /* size of members */ + __u16 v_flags; + __u64 v_index; +}; + +/** + * struct nilfs_period - + * @p_start: + * @p_end: + */ +struct nilfs_period { + __u64 p_start; + __u64 p_end; +}; + +/** + * struct nilfs_cpstat - + * @cs_cno: checkpoint number + * @cs_ncps: number of checkpoints + * @cs_nsss: number of snapshots + */ +struct nilfs_cpstat { + __u64 cs_cno; + __u64 cs_ncps; + __u64 cs_nsss; +}; + +/** + * struct nilfs_sustat - + * @ss_nsegs: number of segments + * @ss_ncleansegs: number of clean segments + * @ss_ndirtysegs: number of dirty segments + * @ss_ctime: creation time of the last segment + * @ss_nongc_ctime: creation time of the last segment not for GC + * @ss_prot_seq: least sequence number of segments which must not be reclaimed + */ +struct nilfs_sustat { + __u64 ss_nsegs; + __u64 ss_ncleansegs; + __u64 ss_ndirtysegs; + __u64 ss_ctime; + __u64 ss_nongc_ctime; + __u64 ss_prot_seq; +}; + +/** + * struct nilfs_vinfo - virtual block number information + * @vi_vblocknr: + * @vi_start: + * @vi_end: + * @vi_blocknr: + */ +struct nilfs_vinfo { + __u64 vi_vblocknr; + __u64 vi_start; + __u64 vi_end; + __u64 vi_blocknr; +}; + +/** + * struct nilfs_vdesc - + */ +struct nilfs_vdesc { + __u64 vd_ino; + __u64 vd_cno; + __u64 vd_vblocknr; + struct nilfs_period vd_period; + __u64 vd_blocknr; + __u64 vd_offset; + __u32 vd_flags; + __u32 vd_pad; +}; + +/** + * struct nilfs_bdesc - + */ +struct nilfs_bdesc { + __u64 bd_ino; + __u64 bd_oblocknr; + __u64 bd_blocknr; + __u64 bd_offset; + __u32 bd_level; + __u32 bd_pad; +}; + +#define NILFS_IOCTL_IDENT 'n' + +#define NILFS_IOCTL_CHANGE_CPMODE \ + _IOW(NILFS_IOCTL_IDENT, 0x80, struct nilfs_cpmode) +#define NILFS_IOCTL_DELETE_CHECKPOINT \ + _IOW(NILFS_IOCTL_IDENT, 0x81, __u64) +#define NILFS_IOCTL_GET_CPINFO \ + _IOR(NILFS_IOCTL_IDENT, 0x82, struct nilfs_argv) +#define NILFS_IOCTL_GET_CPSTAT \ + _IOR(NILFS_IOCTL_IDENT, 0x83, struct nilfs_cpstat) +#define NILFS_IOCTL_GET_SUINFO \ + _IOR(NILFS_IOCTL_IDENT, 0x84, struct nilfs_argv) +#define NILFS_IOCTL_GET_SUSTAT \ + _IOR(NILFS_IOCTL_IDENT, 0x85, struct nilfs_sustat) +#define NILFS_IOCTL_GET_VINFO \ + _IOWR(NILFS_IOCTL_IDENT, 0x86, struct nilfs_argv) +#define NILFS_IOCTL_GET_BDESCS \ + _IOWR(NILFS_IOCTL_IDENT, 0x87, struct nilfs_argv) +#define NILFS_IOCTL_CLEAN_SEGMENTS \ + _IOW(NILFS_IOCTL_IDENT, 0x88, struct nilfs_argv[5]) +#define NILFS_IOCTL_SYNC \ + _IOR(NILFS_IOCTL_IDENT, 0x8A, __u64) +#define NILFS_IOCTL_RESIZE \ + _IOW(NILFS_IOCTL_IDENT, 0x8B, __u64) + +#endif /* _LINUX_NILFS_FS_H */ diff --git a/include/linux/parport_pc.h b/include/linux/parport_pc.h index ea8c6d84996d..cc1767f5cca8 100644 --- a/include/linux/parport_pc.h +++ b/include/linux/parport_pc.h @@ -228,10 +228,11 @@ extern void parport_pc_release_resources(struct parport *p); extern int parport_pc_claim_resources(struct parport *p); /* PCMCIA code will want to get us to look at a port. Provide a mechanism. */ -extern struct parport *parport_pc_probe_port (unsigned long base, - unsigned long base_hi, - int irq, int dma, - struct device *dev); -extern void parport_pc_unregister_port (struct parport *p); +extern struct parport *parport_pc_probe_port(unsigned long base, + unsigned long base_hi, + int irq, int dma, + struct device *dev, + int irqflags); +extern void parport_pc_unregister_port(struct parport *p); #endif diff --git a/include/linux/pci.h b/include/linux/pci.h index a7fe4bbd7ff1..72698d89e767 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -674,6 +674,11 @@ int __must_check pci_reenable_device(struct pci_dev *); int __must_check pcim_enable_device(struct pci_dev *pdev); void pcim_pin_device(struct pci_dev *pdev); +static inline int pci_is_enabled(struct pci_dev *pdev) +{ + return (atomic_read(&pdev->enable_cnt) > 0); +} + static inline int pci_is_managed(struct pci_dev *pdev) { return pdev->is_managed; diff --git a/include/linux/sched.h b/include/linux/sched.h index 7ed41f7c5ace..8a8b84390813 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -302,17 +302,11 @@ extern int proc_dosoftlockup_thresh(struct ctl_table *table, int write, struct file *filp, void __user *buffer, size_t *lenp, loff_t *ppos); extern unsigned int softlockup_panic; -extern unsigned long sysctl_hung_task_check_count; -extern unsigned long sysctl_hung_task_timeout_secs; -extern unsigned long sysctl_hung_task_warnings; extern int softlockup_thresh; #else static inline void softlockup_tick(void) { } -static inline void spawn_softlockup_task(void) -{ -} static inline void touch_softlockup_watchdog(void) { } @@ -321,6 +315,15 @@ static inline void touch_all_softlockup_watchdogs(void) } #endif +#ifdef CONFIG_DETECT_HUNG_TASK +extern unsigned int sysctl_hung_task_panic; +extern unsigned long sysctl_hung_task_check_count; +extern unsigned long sysctl_hung_task_timeout_secs; +extern unsigned long sysctl_hung_task_warnings; +extern int proc_dohung_task_timeout_secs(struct ctl_table *table, int write, + struct file *filp, void __user *buffer, + size_t *lenp, loff_t *ppos); +#endif /* Attach to any functions which should be ignored in wchan output. */ #define __sched __attribute__((__section__(".sched.text"))) @@ -1258,9 +1261,8 @@ struct task_struct { /* ipc stuff */ struct sysv_sem sysvsem; #endif -#ifdef CONFIG_DETECT_SOFTLOCKUP +#ifdef CONFIG_DETECT_HUNG_TASK /* hung task detection */ - unsigned long last_switch_timestamp; unsigned long last_switch_count; #endif /* CPU-specific state of this task */ @@ -1297,6 +1299,11 @@ struct task_struct { /* Protection of (de-)allocation: mm, files, fs, tty, keyrings */ spinlock_t alloc_lock; +#ifdef CONFIG_GENERIC_HARDIRQS + /* IRQ handler threads */ + struct irqaction *irqaction; +#endif + /* Protection of the PI data structures: */ spinlock_t pi_lock; diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index 83e4b3ff9cda..57a97e52e58d 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -164,6 +164,9 @@ /* NWPSERIAL */ #define PORT_NWPSERIAL 85 +/* MAX3100 */ +#define PORT_MAX3100 86 + #ifdef __KERNEL__ #include <linux/compiler.h> diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 68bb1c501d0d..2cc43fa380cb 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -204,6 +204,7 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv) * SPI slaves, and are numbered from zero to num_chipselects. * each slave has a chipselect signal, but it's common that not * every chipselect is connected to a slave. + * @dma_alignment: SPI controller constraint on DMA buffers alignment. * @setup: updates the device mode and clocking records used by a * device's SPI controller; protocol code may call this. This * must fail if an unrecognized or unsupported mode is requested. @@ -239,6 +240,11 @@ struct spi_master { */ u16 num_chipselect; + /* some SPI controllers pose alignment requirements on DMAable + * buffers; let protocol drivers know about these requirements. + */ + u16 dma_alignment; + /* setup mode and clock, etc (spi driver may call many times) */ int (*setup)(struct spi_device *spi); diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h index 8615d661ab60..bcba84ea2d86 100644 --- a/include/linux/tty_driver.h +++ b/include/linux/tty_driver.h @@ -309,7 +309,8 @@ extern void tty_set_operations(struct tty_driver *driver, extern struct tty_driver *tty_find_polling_driver(char *name, int *line); extern void tty_driver_kref_put(struct tty_driver *driver); -extern inline struct tty_driver *tty_driver_kref_get(struct tty_driver *d) + +static inline struct tty_driver *tty_driver_kref_get(struct tty_driver *d) { kref_get(&d->kref); return d; diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index 139d234923cd..ebb2ea6b4995 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -737,6 +737,11 @@ struct v4l2_input { #define V4L2_IN_ST_NO_SIGNAL 0x00000002 #define V4L2_IN_ST_NO_COLOR 0x00000004 +/* field 'status' - sensor orientation */ +/* If sensor is mounted upside down set both bits */ +#define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ +#define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ + /* field 'status' - analog */ #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ diff --git a/include/linux/writeback.h b/include/linux/writeback.h index 93445477f86a..9c1ed1fb6ddb 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -168,6 +168,8 @@ void writeback_set_ratelimit(void); /* pdflush.c */ extern int nr_pdflush_threads; /* Global so it can be exported to sysctl read-only. */ +extern int nr_pdflush_threads_max; /* Global so it can be exported to sysctl */ +extern int nr_pdflush_threads_min; /* Global so it can be exported to sysctl */ #endif /* WRITEBACK_H */ diff --git a/include/media/msp3400.h b/include/media/msp3400.h index 6ab854931c05..90cf22ada8b4 100644 --- a/include/media/msp3400.h +++ b/include/media/msp3400.h @@ -54,13 +54,13 @@ ======= So to specify a complete routing scheme for the msp3400 you will have to - specify in the 'input' field of the v4l2_routing struct: + specify in the 'input' arg of the s_routing function: 1) which tuner input to use 2) which SCART input to use 3) which DSP input to use for each DSP output - And in the 'output' field of the v4l2_routing struct you specify: + And in the 'output' arg of the s_routing function you specify: 1) which SCART input to use for each SCART output diff --git a/include/media/ov772x.h b/include/media/ov772x.h index 57db48dd85b8..30d9629198ef 100644 --- a/include/media/ov772x.h +++ b/include/media/ov772x.h @@ -17,10 +17,45 @@ #define OV772X_FLAG_VFLIP 0x00000001 /* Vertical flip image */ #define OV772X_FLAG_HFLIP 0x00000002 /* Horizontal flip image */ +/* + * for Edge ctrl + * + * strength also control Auto or Manual Edge Control Mode + * see also OV772X_MANUAL_EDGE_CTRL + */ +struct ov772x_edge_ctrl { + unsigned char strength; + unsigned char threshold; + unsigned char upper; + unsigned char lower; +}; + +#define OV772X_MANUAL_EDGE_CTRL 0x80 /* un-used bit of strength */ +#define EDGE_STRENGTH_MASK 0x1F +#define EDGE_THRESHOLD_MASK 0x0F +#define EDGE_UPPER_MASK 0xFF +#define EDGE_LOWER_MASK 0xFF + +#define OV772X_AUTO_EDGECTRL(u, l) \ +{ \ + .upper = (u & EDGE_UPPER_MASK), \ + .lower = (l & EDGE_LOWER_MASK), \ +} + +#define OV772X_MANUAL_EDGECTRL(s, t) \ +{ \ + .strength = (s & EDGE_STRENGTH_MASK) | OV772X_MANUAL_EDGE_CTRL,\ + .threshold = (t & EDGE_THRESHOLD_MASK), \ +} + +/* + * ov772x camera info + */ struct ov772x_camera_info { unsigned long buswidth; unsigned long flags; struct soc_camera_link link; + struct ov772x_edge_ctrl edgectrl; }; #endif /* __OV772X_H__ */ diff --git a/include/media/saa7146.h b/include/media/saa7146.h index fff4235adae5..7a9f76ecbbbd 100644 --- a/include/media/saa7146.h +++ b/include/media/saa7146.h @@ -18,7 +18,7 @@ #include <linux/vmalloc.h> /* for vmalloc() */ #include <linux/mm.h> /* for vmalloc_to_page() */ -#define SAA7146_VERSION_CODE 0x000500 /* 0.5.0 */ +#define SAA7146_VERSION_CODE 0x000600 /* 0.6.0 */ #define saa7146_write(sxy,adr,dat) writel((dat),(sxy->mem+(adr))) #define saa7146_read(sxy,adr) readl(sxy->mem+(adr)) diff --git a/include/media/tvaudio.h b/include/media/tvaudio.h index 6915aafc875a..1ac8184693f8 100644 --- a/include/media/tvaudio.h +++ b/include/media/tvaudio.h @@ -21,10 +21,29 @@ #ifndef _TVAUDIO_H #define _TVAUDIO_H +#include <media/i2c-addr.h> + /* The tvaudio module accepts the following inputs: */ #define TVAUDIO_INPUT_TUNER 0 #define TVAUDIO_INPUT_RADIO 1 #define TVAUDIO_INPUT_EXTERN 2 #define TVAUDIO_INPUT_INTERN 3 +static inline const unsigned short *tvaudio_addrs(void) +{ + static const unsigned short addrs[] = { + I2C_ADDR_TDA8425 >> 1, + I2C_ADDR_TEA6300 >> 1, + I2C_ADDR_TEA6420 >> 1, + I2C_ADDR_TDA9840 >> 1, + I2C_ADDR_TDA985x_L >> 1, + I2C_ADDR_TDA985x_H >> 1, + I2C_ADDR_TDA9874 >> 1, + I2C_ADDR_PIC16C54 >> 1, + I2C_CLIENT_END + }; + + return addrs; +} + #endif diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h index 3a6905615d68..c48c24e4d0fa 100644 --- a/include/media/v4l2-common.h +++ b/include/media/v4l2-common.h @@ -125,7 +125,7 @@ int v4l2_chip_match_host(const struct v4l2_dbg_match *match); /* ------------------------------------------------------------------------- */ -/* Helper function for I2C legacy drivers */ +/* I2C Helper functions */ struct i2c_driver; struct i2c_adapter; @@ -135,21 +135,24 @@ struct v4l2_device; struct v4l2_subdev; struct v4l2_subdev_ops; -int v4l2_i2c_attach(struct i2c_adapter *adapter, int address, struct i2c_driver *driver, - const char *name, - int (*probe)(struct i2c_client *, const struct i2c_device_id *)); /* Load an i2c module and return an initialized v4l2_subdev struct. Only call request_module if module_name != NULL. The client_type argument is the name of the chip that's on the adapter. */ -struct v4l2_subdev *v4l2_i2c_new_subdev(struct i2c_adapter *adapter, +struct v4l2_subdev *v4l2_i2c_new_subdev(struct v4l2_device *v4l2_dev, + struct i2c_adapter *adapter, const char *module_name, const char *client_type, u8 addr); /* Probe and load an i2c module and return an initialized v4l2_subdev struct. Only call request_module if module_name != NULL. The client_type argument is the name of the chip that's on the adapter. */ -struct v4l2_subdev *v4l2_i2c_new_probed_subdev(struct i2c_adapter *adapter, +struct v4l2_subdev *v4l2_i2c_new_probed_subdev(struct v4l2_device *v4l2_dev, + struct i2c_adapter *adapter, const char *module_name, const char *client_type, const unsigned short *addrs); +/* Like v4l2_i2c_new_probed_subdev, except probe for a single address. */ +struct v4l2_subdev *v4l2_i2c_new_probed_subdev_addr(struct v4l2_device *v4l2_dev, + struct i2c_adapter *adapter, + const char *module_name, const char *client_type, u8 addr); /* Initialize an v4l2_subdev with data from an i2c_client struct */ void v4l2_i2c_subdev_init(struct v4l2_subdev *sd, struct i2c_client *client, const struct v4l2_subdev_ops *ops); @@ -171,139 +174,23 @@ const unsigned short *v4l2_i2c_tuner_addrs(enum v4l2_i2c_tuner_type type); /* ------------------------------------------------------------------------- */ -/* Internal ioctls */ - -/* VIDIOC_INT_DECODE_VBI_LINE */ -struct v4l2_decode_vbi_line { - u32 is_second_field; /* Set to 0 for the first (odd) field, - set to 1 for the second (even) field. */ - u8 *p; /* Pointer to the sliced VBI data from the decoder. - On exit points to the start of the payload. */ - u32 line; /* Line number of the sliced VBI data (1-23) */ - u32 type; /* VBI service type (V4L2_SLICED_*). 0 if no service found */ -}; +/* Note: these remaining ioctls/structs should be removed as well, but they are + still used in tuner-simple.c (TUNER_SET_CONFIG), cx18/ivtv (RESET) and + v4l2-int-device.h (v4l2_routing). To remove these ioctls some more cleanup + is needed in those modules. */ +/* s_config */ struct v4l2_priv_tun_config { int tuner; void *priv; }; - -/* audio ioctls */ - -/* v4l device was opened in Radio mode, to be replaced by VIDIOC_INT_S_TUNER_MODE */ -#define AUDC_SET_RADIO _IO('d',88) - -/* tuner ioctls */ - -/* Sets tuner type and its I2C addr */ -#define TUNER_SET_TYPE_ADDR _IOW('d', 90, int) - -/* Puts tuner on powersaving state, disabling it, except for i2c. To be replaced - by VIDIOC_INT_S_STANDBY. */ -#define TUNER_SET_STANDBY _IOW('d', 91, int) - -/* Sets tda9887 specific stuff, like port1, port2 and qss */ #define TUNER_SET_CONFIG _IOW('d', 92, struct v4l2_priv_tun_config) -/* Switch the tuner to a specific tuner mode. Replacement of AUDC_SET_RADIO */ -#define VIDIOC_INT_S_TUNER_MODE _IOW('d', 93, enum v4l2_tuner_type) - -/* Generic standby command. Passing -1 (all bits set to 1) will put the whole - chip into standby mode, value 0 will make the chip fully active. Specific - bits can be used by certain chips to enable/disable specific subsystems. - Replacement of TUNER_SET_STANDBY. */ -#define VIDIOC_INT_S_STANDBY _IOW('d', 94, u32) - -/* 100, 101 used by VIDIOC_DBG_[SG]_REGISTER */ - -/* Generic reset command. The argument selects which subsystems to reset. - Passing 0 will always reset the whole chip. */ #define VIDIOC_INT_RESET _IOW ('d', 102, u32) -/* Set the frequency (in Hz) of the audio clock output. - Used to slave an audio processor to the video decoder, ensuring that audio - and video remain synchronized. - Usual values for the frequency are 48000, 44100 or 32000 Hz. - If the frequency is not supported, then -EINVAL is returned. */ -#define VIDIOC_INT_AUDIO_CLOCK_FREQ _IOW ('d', 103, u32) - -/* Video decoders that support sliced VBI need to implement this ioctl. - Field p of the v4l2_sliced_vbi_line struct is set to the start of the VBI - data that was generated by the decoder. The driver then parses the sliced - VBI data and sets the other fields in the struct accordingly. The pointer p - is updated to point to the start of the payload which can be copied - verbatim into the data field of the v4l2_sliced_vbi_data struct. If no - valid VBI data was found, then the type field is set to 0 on return. */ -#define VIDIOC_INT_DECODE_VBI_LINE _IOWR('d', 104, struct v4l2_decode_vbi_line) - -/* Used to generate VBI signals on a video signal. v4l2_sliced_vbi_data is - filled with the data packets that should be output. Note that if you set - the line field to 0, then that VBI signal is disabled. If no - valid VBI data was found, then the type field is set to 0 on return. */ -#define VIDIOC_INT_S_VBI_DATA _IOW ('d', 105, struct v4l2_sliced_vbi_data) - -/* Used to obtain the sliced VBI packet from a readback register. Not all - video decoders support this. If no data is available because the readback - register contains invalid or erroneous data -EIO is returned. Note that - you must fill in the 'id' member and the 'field' member (to determine - whether CC data from the first or second field should be obtained). */ -#define VIDIOC_INT_G_VBI_DATA _IOWR('d', 106, struct v4l2_sliced_vbi_data) - -/* Sets I2S speed in bps. This is used to provide a standard way to select I2S - clock used by driving digital audio streams at some board designs. - Usual values for the frequency are 1024000 and 2048000. - If the frequency is not supported, then -EINVAL is returned. */ -#define VIDIOC_INT_I2S_CLOCK_FREQ _IOW ('d', 108, u32) - -/* Routing definition, device dependent. It specifies which inputs (if any) - should be routed to which outputs (if any). */ struct v4l2_routing { u32 input; u32 output; }; -/* These internal commands should be used to define the inputs and outputs - of an audio/video chip. They will replace the v4l2 API commands - VIDIOC_S/G_INPUT, VIDIOC_S/G_OUTPUT, VIDIOC_S/G_AUDIO and VIDIOC_S/G_AUDOUT - that are meant to be used by the user. - The internal commands should be used to switch inputs/outputs - because only the driver knows how to map a 'Television' input to the precise - input/output routing of an A/D converter, or a DSP, or a video digitizer. - These four commands should only be sent directly to an i2c device, they - should not be broadcast as the routing is very device specific. */ -#define VIDIOC_INT_S_AUDIO_ROUTING _IOW ('d', 109, struct v4l2_routing) -#define VIDIOC_INT_G_AUDIO_ROUTING _IOR ('d', 110, struct v4l2_routing) -#define VIDIOC_INT_S_VIDEO_ROUTING _IOW ('d', 111, struct v4l2_routing) -#define VIDIOC_INT_G_VIDEO_ROUTING _IOR ('d', 112, struct v4l2_routing) - -struct v4l2_crystal_freq { - u32 freq; /* frequency in Hz of the crystal */ - u32 flags; /* device specific flags */ -}; - -/* Sets the frequency of the crystal used to generate the clocks. - An extra flags field allows device specific configuration regarding - clock frequency dividers, etc. If not used, then set flags to 0. - If the frequency is not supported, then -EINVAL is returned. */ -#define VIDIOC_INT_S_CRYSTAL_FREQ _IOW('d', 113, struct v4l2_crystal_freq) - -/* Initialize the sensor registors to some sort of reasonable - default values. */ -#define VIDIOC_INT_INIT _IOW('d', 114, u32) - -/* Set v4l2_std_id for video OUTPUT devices. This is ignored by - video input devices. */ -#define VIDIOC_INT_S_STD_OUTPUT _IOW('d', 115, v4l2_std_id) - -/* Get v4l2_std_id for video OUTPUT devices. This is ignored by - video input devices. */ -#define VIDIOC_INT_G_STD_OUTPUT _IOW('d', 116, v4l2_std_id) - -/* Set GPIO pins. Very simple right now, might need to be extended with - a v4l2_gpio struct if a direction is also needed. */ -#define VIDIOC_INT_S_GPIO _IOW('d', 117, u32) - -/* Get input status. Same as the status field in the v4l2_input struct. */ -#define VIDIOC_INT_G_INPUT_STATUS _IOR('d', 118, u32) - #endif /* V4L2_COMMON_H_ */ diff --git a/include/media/v4l2-i2c-drv-legacy.h b/include/media/v4l2-i2c-drv-legacy.h deleted file mode 100644 index e65dd9d84e8b..000000000000 --- a/include/media/v4l2-i2c-drv-legacy.h +++ /dev/null @@ -1,152 +0,0 @@ -/* - * v4l2-i2c-drv-legacy.h - contains I2C handling code that's identical - * for all V4L2 I2C drivers. Use this header if the - * I2C driver is used by both legacy drivers and - * drivers converted to the bus-based I2C API. - * - * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> - * - * 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., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -/* NOTE: the full version of this header is in the v4l-dvb repository - * and allows v4l i2c drivers to be compiled on older kernels as well. - * The version of this header as it appears in the kernel is a stripped - * version (without all the backwards compatibility stuff) and so it - * looks a bit odd. - * - * If you look at the full version then you will understand the reason - * for introducing this header since you really don't want to have all - * the tricky backwards compatibility code in each and every i2c driver. - */ - -struct v4l2_i2c_driver_data { - const char * const name; - int driverid; - int (*command)(struct i2c_client *client, unsigned int cmd, void *arg); - int (*probe)(struct i2c_client *client, const struct i2c_device_id *id); - int (*remove)(struct i2c_client *client); - int (*suspend)(struct i2c_client *client, pm_message_t state); - int (*resume)(struct i2c_client *client); - int (*legacy_probe)(struct i2c_adapter *adapter); - int legacy_class; - const struct i2c_device_id *id_table; -}; - -static struct v4l2_i2c_driver_data v4l2_i2c_data; -static const struct i2c_client_address_data addr_data; -static struct i2c_driver v4l2_i2c_driver_legacy; -static char v4l2_i2c_drv_name_legacy[32]; - -static int v4l2_i2c_drv_attach_legacy(struct i2c_adapter *adapter, int address, int kind) -{ - return v4l2_i2c_attach(adapter, address, &v4l2_i2c_driver_legacy, - v4l2_i2c_drv_name_legacy, v4l2_i2c_data.probe); -} - -static int v4l2_i2c_drv_probe_legacy(struct i2c_adapter *adapter) -{ - if (v4l2_i2c_data.legacy_probe) { - if (v4l2_i2c_data.legacy_probe(adapter)) - return i2c_probe(adapter, &addr_data, v4l2_i2c_drv_attach_legacy); - return 0; - } - if (adapter->class & v4l2_i2c_data.legacy_class) - return i2c_probe(adapter, &addr_data, v4l2_i2c_drv_attach_legacy); - return 0; -} - -static int v4l2_i2c_drv_detach_legacy(struct i2c_client *client) -{ - int err; - - if (v4l2_i2c_data.remove) - v4l2_i2c_data.remove(client); - - err = i2c_detach_client(client); - if (err) - return err; - kfree(client); - return 0; -} - -static int v4l2_i2c_drv_suspend_helper(struct i2c_client *client, pm_message_t state) -{ - return v4l2_i2c_data.suspend ? v4l2_i2c_data.suspend(client, state) : 0; -} - -static int v4l2_i2c_drv_resume_helper(struct i2c_client *client) -{ - return v4l2_i2c_data.resume ? v4l2_i2c_data.resume(client) : 0; -} - -/* ----------------------------------------------------------------------- */ - -/* i2c implementation */ -static struct i2c_driver v4l2_i2c_driver_legacy = { - .driver = { - .owner = THIS_MODULE, - }, - .attach_adapter = v4l2_i2c_drv_probe_legacy, - .detach_client = v4l2_i2c_drv_detach_legacy, - .suspend = v4l2_i2c_drv_suspend_helper, - .resume = v4l2_i2c_drv_resume_helper, -}; - -/* ----------------------------------------------------------------------- */ - -/* i2c implementation */ -static struct i2c_driver v4l2_i2c_driver = { - .suspend = v4l2_i2c_drv_suspend_helper, - .resume = v4l2_i2c_drv_resume_helper, -}; - -static int __init v4l2_i2c_drv_init(void) -{ - int err; - - strlcpy(v4l2_i2c_drv_name_legacy, v4l2_i2c_data.name, sizeof(v4l2_i2c_drv_name_legacy)); - strlcat(v4l2_i2c_drv_name_legacy, "'", sizeof(v4l2_i2c_drv_name_legacy)); - - if (v4l2_i2c_data.legacy_class == 0) - v4l2_i2c_data.legacy_class = I2C_CLASS_TV_ANALOG; - - v4l2_i2c_driver_legacy.driver.name = v4l2_i2c_drv_name_legacy; - v4l2_i2c_driver_legacy.id = v4l2_i2c_data.driverid; - v4l2_i2c_driver_legacy.command = v4l2_i2c_data.command; - err = i2c_add_driver(&v4l2_i2c_driver_legacy); - - if (err) - return err; - v4l2_i2c_driver.driver.name = v4l2_i2c_data.name; - v4l2_i2c_driver.id = v4l2_i2c_data.driverid; - v4l2_i2c_driver.command = v4l2_i2c_data.command; - v4l2_i2c_driver.probe = v4l2_i2c_data.probe; - v4l2_i2c_driver.remove = v4l2_i2c_data.remove; - v4l2_i2c_driver.id_table = v4l2_i2c_data.id_table; - err = i2c_add_driver(&v4l2_i2c_driver); - if (err) - i2c_del_driver(&v4l2_i2c_driver_legacy); - return err; -} - -static void __exit v4l2_i2c_drv_cleanup(void) -{ - i2c_del_driver(&v4l2_i2c_driver_legacy); - i2c_del_driver(&v4l2_i2c_driver); -} - -module_init(v4l2_i2c_drv_init); -module_exit(v4l2_i2c_drv_cleanup); diff --git a/include/media/v4l2-i2c-drv.h b/include/media/v4l2-i2c-drv.h index efdc8bf27f87..10a2882c3cbf 100644 --- a/include/media/v4l2-i2c-drv.h +++ b/include/media/v4l2-i2c-drv.h @@ -39,14 +39,11 @@ struct v4l2_i2c_driver_data { const char * const name; - int driverid; int (*command)(struct i2c_client *client, unsigned int cmd, void *arg); int (*probe)(struct i2c_client *client, const struct i2c_device_id *id); int (*remove)(struct i2c_client *client); int (*suspend)(struct i2c_client *client, pm_message_t state); int (*resume)(struct i2c_client *client); - int (*legacy_probe)(struct i2c_adapter *adapter); - int legacy_class; const struct i2c_device_id *id_table; }; @@ -54,12 +51,11 @@ static struct v4l2_i2c_driver_data v4l2_i2c_data; static struct i2c_driver v4l2_i2c_driver; -/* Bus-based I2C implementation for kernels >= 2.6.22 */ +/* Bus-based I2C implementation for kernels >= 2.6.26 */ static int __init v4l2_i2c_drv_init(void) { v4l2_i2c_driver.driver.name = v4l2_i2c_data.name; - v4l2_i2c_driver.id = v4l2_i2c_data.driverid; v4l2_i2c_driver.command = v4l2_i2c_data.command; v4l2_i2c_driver.probe = v4l2_i2c_data.probe; v4l2_i2c_driver.remove = v4l2_i2c_data.remove; diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index 1d181b4ccb01..17856081c809 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -27,6 +27,16 @@ struct v4l2_device; struct v4l2_subdev; struct tuner_setup; +/* decode_vbi_line */ +struct v4l2_decode_vbi_line { + u32 is_second_field; /* Set to 0 for the first (odd) field, + set to 1 for the second (even) field. */ + u8 *p; /* Pointer to the sliced VBI data from the decoder. + On exit points to the start of the payload. */ + u32 line; /* Line number of the sliced VBI data (1-23) */ + u32 type; /* VBI service type (V4L2_SLICED_*). 0 if no service found */ +}; + /* Sub-devices are devices that are connected somehow to the main bridge device. These devices are usually audio/video muxers/encoders/decoders or sensors and webcam controllers. @@ -68,11 +78,26 @@ struct tuner_setup; the use-case it might be better to use subdev-specific ops (currently not yet implemented) since ops provide proper type-checking. */ + +/* init: initialize the sensor registors to some sort of reasonable default + values. Do not use for new drivers and should be removed in existing + drivers. + + load_fw: load firmware. + + reset: generic reset command. The argument selects which subsystems to + reset. Passing 0 will always reset the whole chip. Do not use for new + drivers without discussing this first on the linux-media mailinglist. + There should be no reason normally to reset a device. + + s_gpio: set GPIO pins. Very simple right now, might need to be extended with + a direction argument if needed. + */ struct v4l2_subdev_core_ops { int (*g_chip_ident)(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip); int (*log_status)(struct v4l2_subdev *sd); int (*init)(struct v4l2_subdev *sd, u32 val); - int (*s_standby)(struct v4l2_subdev *sd, u32 standby); + int (*load_fw)(struct v4l2_subdev *sd); int (*reset)(struct v4l2_subdev *sd, u32 val); int (*s_gpio)(struct v4l2_subdev *sd, u32 val); int (*queryctrl)(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc); @@ -82,6 +107,7 @@ struct v4l2_subdev_core_ops { int (*s_ext_ctrls)(struct v4l2_subdev *sd, struct v4l2_ext_controls *ctrls); int (*try_ext_ctrls)(struct v4l2_subdev *sd, struct v4l2_ext_controls *ctrls); int (*querymenu)(struct v4l2_subdev *sd, struct v4l2_querymenu *qm); + int (*s_std)(struct v4l2_subdev *sd, v4l2_std_id norm); long (*ioctl)(struct v4l2_subdev *sd, unsigned int cmd, void *arg); #ifdef CONFIG_VIDEO_ADV_DEBUG int (*g_register)(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg); @@ -89,6 +115,16 @@ struct v4l2_subdev_core_ops { #endif }; +/* s_mode: switch the tuner to a specific tuner mode. Replacement of s_radio. + + s_radio: v4l device was opened in Radio mode, to be replaced by s_mode. + + s_type_addr: sets tuner type and its I2C addr. + + s_config: sets tda9887 specific stuff, like port1, port2 and qss + + s_standby: puts tuner on powersaving state, disabling it, except for i2c. + */ struct v4l2_subdev_tuner_ops { int (*s_mode)(struct v4l2_subdev *sd, enum v4l2_tuner_type); int (*s_radio)(struct v4l2_subdev *sd); @@ -96,20 +132,77 @@ struct v4l2_subdev_tuner_ops { int (*g_frequency)(struct v4l2_subdev *sd, struct v4l2_frequency *freq); int (*g_tuner)(struct v4l2_subdev *sd, struct v4l2_tuner *vt); int (*s_tuner)(struct v4l2_subdev *sd, struct v4l2_tuner *vt); - int (*s_std)(struct v4l2_subdev *sd, v4l2_std_id norm); int (*s_type_addr)(struct v4l2_subdev *sd, struct tuner_setup *type); int (*s_config)(struct v4l2_subdev *sd, const struct v4l2_priv_tun_config *config); + int (*s_standby)(struct v4l2_subdev *sd); }; +/* s_clock_freq: set the frequency (in Hz) of the audio clock output. + Used to slave an audio processor to the video decoder, ensuring that + audio and video remain synchronized. Usual values for the frequency + are 48000, 44100 or 32000 Hz. If the frequency is not supported, then + -EINVAL is returned. + + s_i2s_clock_freq: sets I2S speed in bps. This is used to provide a standard + way to select I2S clock used by driving digital audio streams at some + board designs. Usual values for the frequency are 1024000 and 2048000. + If the frequency is not supported, then -EINVAL is returned. + + s_routing: used to define the input and/or output pins of an audio chip, + and any additional configuration data. + Never attempt to use user-level input IDs (e.g. Composite, S-Video, + Tuner) at this level. An i2c device shouldn't know about whether an + input pin is connected to a Composite connector, become on another + board or platform it might be connected to something else entirely. + The calling driver is responsible for mapping a user-level input to + the right pins on the i2c device. + */ struct v4l2_subdev_audio_ops { int (*s_clock_freq)(struct v4l2_subdev *sd, u32 freq); int (*s_i2s_clock_freq)(struct v4l2_subdev *sd, u32 freq); - int (*s_routing)(struct v4l2_subdev *sd, const struct v4l2_routing *route); + int (*s_routing)(struct v4l2_subdev *sd, u32 input, u32 output, u32 config); }; +/* + decode_vbi_line: video decoders that support sliced VBI need to implement + this ioctl. Field p of the v4l2_sliced_vbi_line struct is set to the + start of the VBI data that was generated by the decoder. The driver + then parses the sliced VBI data and sets the other fields in the + struct accordingly. The pointer p is updated to point to the start of + the payload which can be copied verbatim into the data field of the + v4l2_sliced_vbi_data struct. If no valid VBI data was found, then the + type field is set to 0 on return. + + s_vbi_data: used to generate VBI signals on a video signal. + v4l2_sliced_vbi_data is filled with the data packets that should be + output. Note that if you set the line field to 0, then that VBI signal + is disabled. If no valid VBI data was found, then the type field is + set to 0 on return. + + g_vbi_data: used to obtain the sliced VBI packet from a readback register. + Not all video decoders support this. If no data is available because + the readback register contains invalid or erroneous data -EIO is + returned. Note that you must fill in the 'id' member and the 'field' + member (to determine whether CC data from the first or second field + should be obtained). + + s_std_output: set v4l2_std_id for video OUTPUT devices. This is ignored by + video input devices. + + s_crystal_freq: sets the frequency of the crystal used to generate the + clocks in Hz. An extra flags field allows device specific configuration + regarding clock frequency dividers, etc. If not used, then set flags + to 0. If the frequency is not supported, then -EINVAL is returned. + + g_input_status: get input status. Same as the status field in the v4l2_input + struct. + + s_routing: see s_routing in audio_ops, except this version is for video + devices. + */ struct v4l2_subdev_video_ops { - int (*s_routing)(struct v4l2_subdev *sd, const struct v4l2_routing *route); - int (*s_crystal_freq)(struct v4l2_subdev *sd, struct v4l2_crystal_freq *freq); + int (*s_routing)(struct v4l2_subdev *sd, u32 input, u32 output, u32 config); + int (*s_crystal_freq)(struct v4l2_subdev *sd, u32 freq, u32 flags); int (*decode_vbi_line)(struct v4l2_subdev *sd, struct v4l2_decode_vbi_line *vbi_line); int (*s_vbi_data)(struct v4l2_subdev *sd, const struct v4l2_sliced_vbi_data *vbi_data); int (*g_vbi_data)(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_data *vbi_data); @@ -163,18 +256,6 @@ static inline void *v4l2_get_subdevdata(const struct v4l2_subdev *sd) return sd->priv; } -/* Convert an ioctl-type command to the proper v4l2_subdev_ops function call. - This is used by subdev modules that can be called by both old-style ioctl - commands and through the v4l2_subdev_ops. - - The ioctl API of the subdev driver can call this function to call the - right ops based on the ioctl cmd and arg. - - Once all subdev drivers have been converted and all drivers no longer - use the ioctl interface, then this function can be removed. - */ -int v4l2_subdev_command(struct v4l2_subdev *sd, unsigned cmd, void *arg); - static inline void v4l2_subdev_init(struct v4l2_subdev *sd, const struct v4l2_subdev_ops *ops) { diff --git a/include/video/tdfx.h b/include/video/tdfx.h index 7431d9681e57..befbaf0a92d8 100644 --- a/include/video/tdfx.h +++ b/include/video/tdfx.h @@ -1,6 +1,9 @@ #ifndef _TDFX_H #define _TDFX_H +#include <linux/i2c.h> +#include <linux/i2c-algo-bit.h> + /* membase0 register offsets */ #define STATUS 0x00 #define PCIINIT0 0x04 @@ -123,6 +126,18 @@ #define VIDCFG_PIXFMT_SHIFT 18 #define DACMODE_2X BIT(0) +/* I2C bit locations in the VIDSERPARPORT register */ +#define DDC_ENAB 0x00040000 +#define DDC_SCL_OUT 0x00080000 +#define DDC_SDA_OUT 0x00100000 +#define DDC_SCL_IN 0x00200000 +#define DDC_SDA_IN 0x00400000 +#define I2C_ENAB 0x00800000 +#define I2C_SCL_OUT 0x01000000 +#define I2C_SDA_OUT 0x02000000 +#define I2C_SCL_IN 0x04000000 +#define I2C_SDA_IN 0x08000000 + /* VGA rubbish, need to change this for multihead support */ #define MISC_W 0x3c2 #define MISC_R 0x3cc @@ -168,12 +183,23 @@ struct banshee_reg { unsigned long miscinit0; }; +struct tdfx_par; + +struct tdfxfb_i2c_chan { + struct tdfx_par *par; + struct i2c_adapter adapter; + struct i2c_algo_bit_data algo; +}; + struct tdfx_par { u32 max_pixclock; u32 palette[16]; void __iomem *regbase_virt; unsigned long iobase; int mtrr_handle; +#ifdef CONFIG_FB_3DFX_I2C + struct tdfxfb_i2c_chan chan[2]; +#endif }; #endif /* __KERNEL__ */ |