Merge http://fbdev.bkbits.net/fbdev-2.5

into home.transmeta.com:/home/torvalds/v2.5/linux

8 files changed, 170 insertions, 101 deletions

diff --git a/include/linux/apm_bios.h b/include/linux/apm_bios.h
index 732fbff874cc..ceffd587b7a8 100644
--- a/include/linux/apm_bios.h
+++ b/include/linux/apm_bios.h
@@ -21,8 +21,7 @@ typedef unsigned short	apm_eventinfo_t;
 
 #ifdef __KERNEL__
 
-#define APM_40		(GDT_ENTRY_APMBIOS_BASE * 8)
-#define APM_CS		(APM_BASE + 8)
+#define APM_CS		(GDT_ENTRY_APMBIOS_BASE * 8)
 #define APM_CS_16	(APM_CS + 8)
 #define APM_DS		(APM_CS_16 + 8)
 
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 192107379fd9..ec0f6edac31b 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1241,6 +1241,7 @@ extern int generic_file_mmap(struct file *, struct vm_area_struct *);
 extern int file_read_actor(read_descriptor_t * desc, struct page *page, unsigned long offset, unsigned long size);
 extern ssize_t generic_file_read(struct file *, char *, size_t, loff_t *);
 extern ssize_t generic_file_write(struct file *, const char *, size_t, loff_t *);
+extern ssize_t generic_file_write_nolock(struct file *, const char *, size_t, loff_t *);
 extern ssize_t generic_file_sendfile(struct file *, struct file *, loff_t *, size_t);
 extern void do_generic_file_read(struct file *, loff_t *, read_descriptor_t *, read_actor_t);
 ssize_t generic_file_direct_IO(int rw, struct inode *inode, char *buf,
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 56c6b7181796..d023d2360a71 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -5,34 +5,34 @@
 
 #define INIT_FILES \
 { 							\
-	count:		ATOMIC_INIT(1), 		\
-	file_lock:	RW_LOCK_UNLOCKED, 		\
-	max_fds:	NR_OPEN_DEFAULT, 		\
-	max_fdset:	__FD_SETSIZE, 			\
-	next_fd:	0, 				\
-	fd:		&init_files.fd_array[0], 	\
-	close_on_exec:	&init_files.close_on_exec_init, \
-	open_fds:	&init_files.open_fds_init, 	\
-	close_on_exec_init: { { 0, } }, 		\
-	open_fds_init:	{ { 0, } }, 			\
-	fd_array:	{ NULL, } 			\
+	.count		= ATOMIC_INIT(1), 		\
+	.file_lock	= RW_LOCK_UNLOCKED, 		\
+	.max_fds	= NR_OPEN_DEFAULT, 		\
+	.max_fdset	= __FD_SETSIZE, 		\
+	.next_fd	= 0, 				\
+	.fd		= &init_files.fd_array[0], 	\
+	.close_on_exec	= &init_files.close_on_exec_init, \
+	.open_fds	= &init_files.open_fds_init, 	\
+	.close_on_exec_init = { { 0, } }, 		\
+	.open_fds_init	= { { 0, } }, 			\
+	.fd_array	= { NULL, } 			\
 }
 
 #define INIT_MM(name) \
 {			 				\
-	mm_rb:		RB_ROOT,			\
-	pgd:		swapper_pg_dir, 		\
-	mm_users:	ATOMIC_INIT(2), 		\
-	mm_count:	ATOMIC_INIT(1), 		\
-	mmap_sem:	__RWSEM_INITIALIZER(name.mmap_sem), \
-	page_table_lock: SPIN_LOCK_UNLOCKED, 		\
-	mmlist:		LIST_HEAD_INIT(name.mmlist),	\
+	.mm_rb		= RB_ROOT,			\
+	.pgd		= swapper_pg_dir, 		\
+	.mm_users	= ATOMIC_INIT(2), 		\
+	.mm_count	= ATOMIC_INIT(1), 		\
+	.mmap_sem	= __RWSEM_INITIALIZER(name.mmap_sem), \
+	.page_table_lock =  SPIN_LOCK_UNLOCKED, 	\
+	.mmlist		= LIST_HEAD_INIT(name.mmlist),	\
 }
 
 #define INIT_SIGNALS {	\
-	count:		ATOMIC_INIT(1), 		\
-	action:		{ {{0,}}, }, 			\
-	siglock:	SPIN_LOCK_UNLOCKED 		\
+	.count		= ATOMIC_INIT(1), 		\
+	.action		= { {{0,}}, }, 			\
+	.siglock	= SPIN_LOCK_UNLOCKED 		\
 }
 
 /*
@@ -41,45 +41,45 @@
  */
 #define INIT_TASK(tsk)	\
 {									\
-    state:		0,						\
-    thread_info:	&init_thread_info,				\
-    flags:		0,						\
-    lock_depth:		-1,						\
-    prio:		MAX_PRIO-20,					\
-    static_prio:	MAX_PRIO-20,					\
-    policy:		SCHED_NORMAL,					\
-    cpus_allowed:	-1,						\
-    mm:			NULL,						\
-    active_mm:		&init_mm,					\
-    run_list:		LIST_HEAD_INIT(tsk.run_list),			\
-    time_slice:		HZ,						\
-    tasks:		LIST_HEAD_INIT(tsk.tasks),			\
-    real_parent:	&tsk,						\
-    parent:		&tsk,						\
-    children:		LIST_HEAD_INIT(tsk.children),			\
-    sibling:		LIST_HEAD_INIT(tsk.sibling),			\
-    thread_group:	LIST_HEAD_INIT(tsk.thread_group),		\
-    wait_chldexit:	__WAIT_QUEUE_HEAD_INITIALIZER(tsk.wait_chldexit),\
-    real_timer:		{						\
-	function:		it_real_fn				\
-    },									\
-    cap_effective:	CAP_INIT_EFF_SET,				\
-    cap_inheritable:	CAP_INIT_INH_SET,				\
-    cap_permitted:	CAP_FULL_SET,					\
-    keep_capabilities:	0,						\
-    rlim:		INIT_RLIMITS,					\
-    user:		INIT_USER,					\
-    comm:		"swapper",					\
-    thread:		INIT_THREAD,					\
-    fs:			&init_fs,					\
-    files:		&init_files,					\
-    sigmask_lock:	SPIN_LOCK_UNLOCKED,				\
-    sig:		&init_signals,					\
-    pending:		{ NULL, &tsk.pending.head, {{0}}},		\
-    blocked:		{{0}},						\
-    alloc_lock:		SPIN_LOCK_UNLOCKED,				\
-    switch_lock:	SPIN_LOCK_UNLOCKED,				\
-    journal_info:	NULL,						\
+	.state		= 0,						\
+	.thread_info	= &init_thread_info,				\
+	.flags		= 0,						\
+	.lock_depth	= -1,						\
+	.prio		= MAX_PRIO-20,					\
+	.static_prio	= MAX_PRIO-20,					\
+	.policy		= SCHED_NORMAL,					\
+	.cpus_allowed	= -1,						\
+	.mm		= NULL,						\
+	.active_mm	= &init_mm,					\
+	.run_list	= LIST_HEAD_INIT(tsk.run_list),			\
+	.time_slice	= HZ,						\
+	.tasks		= LIST_HEAD_INIT(tsk.tasks),			\
+	.real_parent	= &tsk,						\
+	.parent		= &tsk,						\
+	.children	= LIST_HEAD_INIT(tsk.children),			\
+	.sibling	= LIST_HEAD_INIT(tsk.sibling),			\
+	.thread_group	= LIST_HEAD_INIT(tsk.thread_group),		\
+	.wait_chldexit	= __WAIT_QUEUE_HEAD_INITIALIZER(tsk.wait_chldexit),\
+	.real_timer	= {						\
+		.function	= it_real_fn				\
+	},								\
+	.cap_effective	= CAP_INIT_EFF_SET,				\
+	.cap_inheritable = CAP_INIT_INH_SET,				\
+	.cap_permitted	= CAP_FULL_SET,					\
+	.keep_capabilities = 0,						\
+	.rlim		= INIT_RLIMITS,					\
+	.user		= INIT_USER,					\
+	.comm		= "swapper",					\
+	.thread		= INIT_THREAD,					\
+	.fs		= &init_fs,					\
+	.files		= &init_files,					\
+	.sigmask_lock	= SPIN_LOCK_UNLOCKED,				\
+	.sig		= &init_signals,				\
+	.pending	= { NULL, &tsk.pending.head, {{0}}},		\
+	.blocked	= {{0}},					\
+	.alloc_lock	= SPIN_LOCK_UNLOCKED,				\
+	.switch_lock	= SPIN_LOCK_UNLOCKED,				\
+	.journal_info	= NULL,						\
 }
 
 
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index e99a2357ab28..33edafbe6000 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -39,10 +39,32 @@ struct rtc_wkalrm {
 	struct rtc_time time;	/* time the alarm is set to */
 };
 
+/*
+ * Data structure to control PLL correction some better RTC feature
+ * pll_value is used to get or set current value of correction,
+ * the rest of the struct is used to query HW capabilities.
+ * This is modeled after the RTC used in Q40/Q60 computers but
+ * should be sufficiently flexible for other devices
+ *
+ * +ve pll_value means clock will run faster by
+ *   pll_value*pll_posmult/pll_clock
+ * -ve pll_value means clock will run slower by
+ *   pll_value*pll_negmult/pll_clock
+ */ 
+
+struct rtc_pll_info {
+	int pll_ctrl;       /* placeholder for fancier control */
+	int pll_value;      /* get/set correction value */
+	int pll_max;        /* max +ve (faster) adjustment value */
+	int pll_min;        /* max -ve (slower) adjustment value */
+	int pll_posmult;    /* factor for +ve corection */
+	int pll_negmult;    /* factor for -ve corection */
+	long pll_clock;     /* base PLL frequency */
+};
 
 /*
  * ioctl calls that are permitted to the /dev/rtc interface, if 
- * CONFIG_RTC/CONFIG_EFI_RTC was enabled.
+ * any of the RTC drivers are enabled.
  */
 
 #define RTC_AIE_ON	_IO('p', 0x01)	/* Alarm int. enable on		*/
@@ -65,6 +87,8 @@ struct rtc_wkalrm {
 
 #define RTC_WKALM_SET	_IOW('p', 0x0f, struct rtc_wkalrm)/* Set wakeup alarm*/
 #define RTC_WKALM_RD	_IOR('p', 0x10, struct rtc_wkalrm)/* Get wakeup alarm*/
+#define RTC_PLL_GET	_IOR('p', 0x11, struct rtc_pll_info)  /* Get PLL correction */
+#define RTC_PLL_SET	_IOW('p', 0x12, struct rtc_pll_info)  /* Set PLL correction */
 
 #ifdef __KERNEL__
 
diff --git a/include/linux/sunrpc/svcsock.h b/include/linux/sunrpc/svcsock.h
index eb118134b0c0..34cbc22c0732 100644
--- a/include/linux/sunrpc/svcsock.h
+++ b/include/linux/sunrpc/svcsock.h
@@ -30,6 +30,7 @@ struct svc_sock {
 #define	SK_TEMP		4			/* temp (TCP) socket */
 #define	SK_QUED		5			/* on serv->sk_sockets */
 #define	SK_DEAD		6			/* socket closed */
+#define	SK_CHNGBUF	7			/* need to change snd/rcv buffer sizes */
 
 	int			sk_reserved;	/* space on outq that is reserved */
 
diff --git a/include/linux/usb.h b/include/linux/usb.h
index d9907d770a30..7f44f0ff05ef 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -734,6 +734,7 @@ extern void usb_deregister_dev(int num_minors, int start_minor);
  */
 #define URB_SHORT_NOT_OK	0x0001	/* report short reads as errors */
 #define USB_ISO_ASAP		0x0002	/* iso-only, urb->start_frame ignored */
+#define URB_NO_DMA_MAP		0x0004	/* urb->*_dma are valid on submit */
 #define USB_ASYNC_UNLINK	0x0008	/* usb_unlink_urb() returns asap */
 #define USB_NO_FSBR		0x0020	/* UHCI-specific */
 #define USB_ZERO_PACKET		0x0040	/* Finish bulk OUTs with short packet */
@@ -771,11 +772,15 @@ typedef void (*usb_complete_t)(struct urb *);
  * @transfer_flags: A variety of flags may be used to affect how URB
  *	submission, unlinking, or operation are handled.  Different
  *	kinds of URB can use different flags.
- * @transfer_buffer: For non-iso transfers, this identifies the buffer
- *	to (or from) which the I/O request will be performed.  This
- *	buffer must be suitable for DMA; allocate it with kmalloc()
+ * @transfer_buffer:  This identifies the buffer to (or from) which
+ * 	the I/O request will be performed (unless URB_NO_DMA_MAP is set).
+ *	This buffer must be suitable for DMA; allocate it with kmalloc()
  *	or equivalent.  For transfers to "in" endpoints, contents of
- *	this buffer will be modified.
+ *	this buffer will be modified.  This buffer is used for data
+ *	phases of control transfers.
+ * @transfer_dma: When transfer_flags includes URB_NO_DMA_MAP, the device
+ * 	driver is saying that it provided this DMA address, which the host
+ * 	controller driver should use instead of the transfer_buffer.
  * @transfer_buffer_length: How big is transfer_buffer.  The transfer may
  *	be broken up into chunks according to the current maximum packet
  *	size for the endpoint, which is a function of the configuration
@@ -789,6 +794,11 @@ typedef void (*usb_complete_t)(struct urb *);
  * @setup_packet: Only used for control transfers, this points to eight bytes
  *	of setup data.  Control transfers always start by sending this data
  *	to the device.  Then transfer_buffer is read or written, if needed.
+ *	(Not used when URB_NO_DMA_MAP is set.)
+ * @setup_dma: For control transfers with URB_NO_DMA_MAP set, the device
+ * 	driver has provided this DMA address for the setup packet.  The
+ * 	host controller driver should use instead of setup_buffer.
+ * 	If there is a data phase, its buffer is identified by transfer_dma.
  * @start_frame: Returns the initial frame for interrupt or isochronous
  *	transfers.
  * @number_of_packets: Lists the number of ISO transfer buffers.
@@ -811,6 +821,23 @@ typedef void (*usb_complete_t)(struct urb *);
  * are submitted using usb_submit_urb(), and pending requests may be canceled
  * using usb_unlink_urb().
  *
+ * Data Transfer Buffers:
+ *
+ * Normally drivers provide I/O buffers allocated with kmalloc() or otherwise
+ * taken from the general page pool.  That is provided by transfer_buffer
+ * (control requests also use setup_packet), and host controller drivers
+ * perform a dma mapping (and unmapping) for each buffer transferred.  Those
+ * mapping operations can be expensive on some platforms (such using a dma
+ * bounce buffer), although they're cheap on commodity x86 and ppc hardware.
+ *
+ * Alternatively, drivers may pass the URB_NO_DMA_MAP transfer flag, which
+ * tells the host controller driver that no such mapping is needed since
+ * the device driver is DMA-aware.  For example, they might allocate a DMA
+ * buffer with usb_buffer_alloc(), or call usb_buffer_map().
+ * When this transfer flag is provided, host controller drivers will use the
+ * dma addresses found in the transfer_dma and/or setup_dma fields rather than
+ * determing a dma address themselves.
+ *
  * Initialization:
  *
  * All URBs submitted must initialize dev, pipe,
@@ -818,10 +845,10 @@ typedef void (*usb_complete_t)(struct urb *);
  * The USB_ASYNC_UNLINK transfer flag affects later invocations of
  * the usb_unlink_urb() routine.
  *
- * All non-isochronous URBs must also initialize 
+ * All URBs must also initialize 
  * transfer_buffer and transfer_buffer_length.  They may provide the
  * URB_SHORT_NOT_OK transfer flag, indicating that short reads are
- * to be treated as errors.
+ * to be treated as errors; that flag is invalid for write requests.
  *
  * Bulk URBs may
  * use the USB_ZERO_PACKET transfer flag, indicating that bulk OUT transfers
@@ -896,10 +923,12 @@ struct urb
 	int status;			/* (return) non-ISO status */
 	unsigned int transfer_flags;	/* (in) URB_SHORT_NOT_OK | ...*/
 	void *transfer_buffer;		/* (in) associated data buffer */
+	dma_addr_t transfer_dma;	/* (in) dma addr for transfer_buffer */
 	int transfer_buffer_length;	/* (in) data buffer length */
 	int actual_length;		/* (return) actual transfer length */
 	int bandwidth;			/* bandwidth for INT/ISO request */
 	unsigned char *setup_packet;	/* (in) setup packet (control only) */
+	dma_addr_t setup_dma;		/* (in) dma addr for setup_packet */
 	int start_frame;		/* (modify) start frame (INT/ISO) */
 	int number_of_packets;		/* (in) number of ISO packets */
 	int interval;			/* (in) transfer interval (INT/ISO) */
@@ -910,6 +939,8 @@ struct urb
 	struct usb_iso_packet_descriptor iso_frame_desc[0];	/* (in) ISO ONLY */
 };
 
+/* -------------------------------------------------------------------------- */
+
 /**
  * usb_fill_control_urb - initializes a control urb
  * @urb: pointer to the urb to initialize.
@@ -1032,6 +1063,16 @@ extern struct urb *usb_get_urb(struct urb *urb);
 extern int usb_submit_urb(struct urb *urb, int mem_flags);
 extern int usb_unlink_urb(struct urb *urb);
 
+#define HAVE_USB_BUFFERS
+void *usb_buffer_alloc (struct usb_device *dev, size_t size,
+	int mem_flags, dma_addr_t *dma);
+void usb_buffer_free (struct usb_device *dev, size_t size,
+	void *addr, dma_addr_t dma);
+
+struct urb *usb_buffer_map (struct urb *urb);
+void usb_buffer_dmasync (struct urb *urb);
+void usb_buffer_unmap (struct urb *urb);
+
 /*-------------------------------------------------------------------*
  *                         SYNCHRONOUS CALL SUPPORT                  *
  *-------------------------------------------------------------------*/
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index 9cc67b500368..5da711fefc6f 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -1,44 +1,47 @@
-#ifndef __LINUX_VMALLOC_H
-#define __LINUX_VMALLOC_H
+#ifndef _LINUX_VMALLOC_H
+#define _LINUX_VMALLOC_H
 
 #include <linux/spinlock.h>
 
-#include <asm/pgtable.h>
-
 /* bits in vm_struct->flags */
 #define VM_IOREMAP	0x00000001	/* ioremap() and friends */
 #define VM_ALLOC	0x00000002	/* vmalloc() */
+#define VM_MAP		0x00000004	/* vmap()ed pages */
 
 struct vm_struct {
-	unsigned long flags;
-	void * addr;
-	unsigned long size;
-	unsigned long phys_addr;
-	struct vm_struct * next;
+	void			*addr;
+	unsigned long		size;
+	unsigned long		flags;
+	struct page		**pages;
+	unsigned int		nr_pages;
+	unsigned long		phys_addr;
+	struct vm_struct	*next;
 };
 
-extern struct vm_struct * get_vm_area (unsigned long size, unsigned long flags);
-extern void vfree(void * addr);
-extern void * __vmalloc (unsigned long size, int gfp_mask, pgprot_t prot);
-extern long vread(char *buf, char *addr, unsigned long count);
-extern void vmfree_area_pages(unsigned long address, unsigned long size);
-extern int vmalloc_area_pages(unsigned long address, unsigned long size,
-                              int gfp_mask, pgprot_t prot);
-extern struct vm_struct *remove_kernel_area(void *addr);
-
 /*
- * Various ways to allocate pages.
+ *	Highlevel APIs for driver use
  */
-
-extern void * vmalloc(unsigned long size);
-extern void * vmalloc_32(unsigned long size);
+extern void *vmalloc(unsigned long size);
+extern void *vmalloc_32(unsigned long size);
+extern void *__vmalloc(unsigned long size, int gfp_mask, pgprot_t prot);
+extern void vfree(void *addr);
+
+extern void *vmap(struct page **pages, unsigned int count);
+extern void vunmap(void *addr);
+ 
+/*
+ *	Lowlevel-APIs (not for driver use!)
+ */
+extern struct vm_struct *get_vm_area(unsigned long size, unsigned long flags);
+extern struct vm_struct *remove_vm_area(void *addr);
+extern int map_vm_area(struct vm_struct *area, pgprot_t prot,
+			struct page ***pages);
+extern void unmap_vm_area(struct vm_struct *area);
 
 /*
- * vmlist_lock is a read-write spinlock that protects vmlist
- * Used in mm/vmalloc.c (get_vm_area() and vfree()) and fs/proc/kcore.c.
+ *	Internals.  Dont't use..
  */
 extern rwlock_t vmlist_lock;
+extern struct vm_struct *vmlist;
 
-extern struct vm_struct * vmlist;
-#endif
-
+#endif /* _LINUX_VMALLOC_H */
diff --git a/include/linux/wait.h b/include/linux/wait.h
index 4141ba6e6ed5..8664b02f230d 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -43,16 +43,16 @@ typedef struct __wait_queue_head wait_queue_head_t;
  */
 
 #define __WAITQUEUE_INITIALIZER(name, tsk) {				\
-	task:		tsk,						\
-	func:		default_wake_function,				\
-	task_list:	{ NULL, NULL } }
+	.task		= tsk,						\
+	.func		= default_wake_function,			\
+	.task_list	= { NULL, NULL } }
 
 #define DECLARE_WAITQUEUE(name, tsk)					\
 	wait_queue_t name = __WAITQUEUE_INITIALIZER(name, tsk)
 
 #define __WAIT_QUEUE_HEAD_INITIALIZER(name) {				\
-	lock:		SPIN_LOCK_UNLOCKED,				\
-	task_list:	{ &(name).task_list, &(name).task_list } }
+	.lock		= SPIN_LOCK_UNLOCKED,				\
+	.task_list	= { &(name).task_list, &(name).task_list } }
 
 #define DECLARE_WAIT_QUEUE_HEAD(name) \
 	wait_queue_head_t name = __WAIT_QUEUE_HEAD_INITIALIZER(name)