rename libdde_linux26 into libdde-linux26 to make dpkg-source happy

1 files changed, 0 insertions, 461 deletions

diff --git a/libdde_linux26/contrib/include/linux/dmaengine.h b/libdde_linux26/contrib/include/linux/dmaengine.h
deleted file mode 100644
index 1956c8d4..00000000
--- a/libdde_linux26/contrib/include/linux/dmaengine.h
+++ /dev/null
@@ -1,461 +0,0 @@
-/*
- * Copyright(c) 2004 - 2006 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston, MA  02111-1307, USA.
- *
- * The full GNU General Public License is included in this distribution in the
- * file called COPYING.
- */
-#ifndef DMAENGINE_H
-#define DMAENGINE_H
-
-#include <linux/device.h>
-#include <linux/uio.h>
-#include <linux/kref.h>
-#include <linux/completion.h>
-#include <linux/rcupdate.h>
-#include <linux/dma-mapping.h>
-
-/**
- * typedef dma_cookie_t - an opaque DMA cookie
- *
- * if dma_cookie_t is >0 it's a DMA request cookie, <0 it's an error code
- */
-typedef s32 dma_cookie_t;
-
-#define dma_submit_error(cookie) ((cookie) < 0 ? 1 : 0)
-
-/**
- * enum dma_status - DMA transaction status
- * @DMA_SUCCESS: transaction completed successfully
- * @DMA_IN_PROGRESS: transaction not yet processed
- * @DMA_ERROR: transaction failed
- */
-enum dma_status {
-	DMA_SUCCESS,
-	DMA_IN_PROGRESS,
-	DMA_ERROR,
-};
-
-/**
- * enum dma_transaction_type - DMA transaction types/indexes
- */
-enum dma_transaction_type {
-	DMA_MEMCPY,
-	DMA_XOR,
-	DMA_PQ_XOR,
-	DMA_DUAL_XOR,
-	DMA_PQ_UPDATE,
-	DMA_ZERO_SUM,
-	DMA_PQ_ZERO_SUM,
-	DMA_MEMSET,
-	DMA_MEMCPY_CRC32C,
-	DMA_INTERRUPT,
-	DMA_PRIVATE,
-	DMA_SLAVE,
-};
-
-/* last transaction type for creation of the capabilities mask */
-#define DMA_TX_TYPE_END (DMA_SLAVE + 1)
-
-
-/**
- * enum dma_ctrl_flags - DMA flags to augment operation preparation,
- * 	control completion, and communicate status.
- * @DMA_PREP_INTERRUPT - trigger an interrupt (callback) upon completion of
- * 	this transaction
- * @DMA_CTRL_ACK - the descriptor cannot be reused until the client
- * 	acknowledges receipt, i.e. has has a chance to establish any
- * 	dependency chains
- * @DMA_COMPL_SKIP_SRC_UNMAP - set to disable dma-unmapping the source buffer(s)
- * @DMA_COMPL_SKIP_DEST_UNMAP - set to disable dma-unmapping the destination(s)
- */
-enum dma_ctrl_flags {
-	DMA_PREP_INTERRUPT = (1 << 0),
-	DMA_CTRL_ACK = (1 << 1),
-	DMA_COMPL_SKIP_SRC_UNMAP = (1 << 2),
-	DMA_COMPL_SKIP_DEST_UNMAP = (1 << 3),
-};
-
-/**
- * dma_cap_mask_t - capabilities bitmap modeled after cpumask_t.
- * See linux/cpumask.h
- */
-typedef struct { DECLARE_BITMAP(bits, DMA_TX_TYPE_END); } dma_cap_mask_t;
-
-/**
- * struct dma_chan_percpu - the per-CPU part of struct dma_chan
- * @memcpy_count: transaction counter
- * @bytes_transferred: byte counter
- */
-
-struct dma_chan_percpu {
-	/* stats */
-	unsigned long memcpy_count;
-	unsigned long bytes_transferred;
-};
-
-/**
- * struct dma_chan - devices supply DMA channels, clients use them
- * @device: ptr to the dma device who supplies this channel, always !%NULL
- * @cookie: last cookie value returned to client
- * @chan_id: channel ID for sysfs
- * @dev: class device for sysfs
- * @device_node: used to add this to the device chan list
- * @local: per-cpu pointer to a struct dma_chan_percpu
- * @client-count: how many clients are using this channel
- * @table_count: number of appearances in the mem-to-mem allocation table
- * @private: private data for certain client-channel associations
- */
-struct dma_chan {
-	struct dma_device *device;
-	dma_cookie_t cookie;
-
-	/* sysfs */
-	int chan_id;
-	struct dma_chan_dev *dev;
-
-	struct list_head device_node;
-	struct dma_chan_percpu *local;
-	int client_count;
-	int table_count;
-	void *private;
-};
-
-/**
- * struct dma_chan_dev - relate sysfs device node to backing channel device
- * @chan - driver channel device
- * @device - sysfs device
- * @dev_id - parent dma_device dev_id
- * @idr_ref - reference count to gate release of dma_device dev_id
- */
-struct dma_chan_dev {
-	struct dma_chan *chan;
-	struct device device;
-	int dev_id;
-	atomic_t *idr_ref;
-};
-
-static inline const char *dma_chan_name(struct dma_chan *chan)
-{
-	return dev_name(&chan->dev->device);
-}
-
-void dma_chan_cleanup(struct kref *kref);
-
-/**
- * typedef dma_filter_fn - callback filter for dma_request_channel
- * @chan: channel to be reviewed
- * @filter_param: opaque parameter passed through dma_request_channel
- *
- * When this optional parameter is specified in a call to dma_request_channel a
- * suitable channel is passed to this routine for further dispositioning before
- * being returned.  Where 'suitable' indicates a non-busy channel that
- * satisfies the given capability mask.  It returns 'true' to indicate that the
- * channel is suitable.
- */
-typedef bool (*dma_filter_fn)(struct dma_chan *chan, void *filter_param);
-
-typedef void (*dma_async_tx_callback)(void *dma_async_param);
-/**
- * struct dma_async_tx_descriptor - async transaction descriptor
- * ---dma generic offload fields---
- * @cookie: tracking cookie for this transaction, set to -EBUSY if
- *	this tx is sitting on a dependency list
- * @flags: flags to augment operation preparation, control completion, and
- * 	communicate status
- * @phys: physical address of the descriptor
- * @tx_list: driver common field for operations that require multiple
- *	descriptors
- * @chan: target channel for this operation
- * @tx_submit: set the prepared descriptor(s) to be executed by the engine
- * @callback: routine to call after this operation is complete
- * @callback_param: general parameter to pass to the callback routine
- * ---async_tx api specific fields---
- * @next: at completion submit this descriptor
- * @parent: pointer to the next level up in the dependency chain
- * @lock: protect the parent and next pointers
- */
-struct dma_async_tx_descriptor {
-	dma_cookie_t cookie;
-	enum dma_ctrl_flags flags; /* not a 'long' to pack with cookie */
-	dma_addr_t phys;
-	struct list_head tx_list;
-	struct dma_chan *chan;
-	dma_cookie_t (*tx_submit)(struct dma_async_tx_descriptor *tx);
-	dma_async_tx_callback callback;
-	void *callback_param;
-	struct dma_async_tx_descriptor *next;
-	struct dma_async_tx_descriptor *parent;
-	spinlock_t lock;
-};
-
-/**
- * struct dma_device - info on the entity supplying DMA services
- * @chancnt: how many DMA channels are supported
- * @channels: the list of struct dma_chan
- * @global_node: list_head for global dma_device_list
- * @cap_mask: one or more dma_capability flags
- * @max_xor: maximum number of xor sources, 0 if no capability
- * @dev_id: unique device ID
- * @dev: struct device reference for dma mapping api
- * @device_alloc_chan_resources: allocate resources and return the
- *	number of allocated descriptors
- * @device_free_chan_resources: release DMA channel's resources
- * @device_prep_dma_memcpy: prepares a memcpy operation
- * @device_prep_dma_xor: prepares a xor operation
- * @device_prep_dma_zero_sum: prepares a zero_sum operation
- * @device_prep_dma_memset: prepares a memset operation
- * @device_prep_dma_interrupt: prepares an end of chain interrupt operation
- * @device_prep_slave_sg: prepares a slave dma operation
- * @device_terminate_all: terminate all pending operations
- * @device_is_tx_complete: poll for transaction completion
- * @device_issue_pending: push pending transactions to hardware
- */
-struct dma_device {
-
-	unsigned int chancnt;
-	struct list_head channels;
-	struct list_head global_node;
-	dma_cap_mask_t  cap_mask;
-	int max_xor;
-
-	int dev_id;
-	struct device *dev;
-
-	int (*device_alloc_chan_resources)(struct dma_chan *chan);
-	void (*device_free_chan_resources)(struct dma_chan *chan);
-
-	struct dma_async_tx_descriptor *(*device_prep_dma_memcpy)(
-		struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
-		size_t len, unsigned long flags);
-	struct dma_async_tx_descriptor *(*device_prep_dma_xor)(
-		struct dma_chan *chan, dma_addr_t dest, dma_addr_t *src,
-		unsigned int src_cnt, size_t len, unsigned long flags);
-	struct dma_async_tx_descriptor *(*device_prep_dma_zero_sum)(
-		struct dma_chan *chan, dma_addr_t *src,	unsigned int src_cnt,
-		size_t len, u32 *result, unsigned long flags);
-	struct dma_async_tx_descriptor *(*device_prep_dma_memset)(
-		struct dma_chan *chan, dma_addr_t dest, int value, size_t len,
-		unsigned long flags);
-	struct dma_async_tx_descriptor *(*device_prep_dma_interrupt)(
-		struct dma_chan *chan, unsigned long flags);
-
-	struct dma_async_tx_descriptor *(*device_prep_slave_sg)(
-		struct dma_chan *chan, struct scatterlist *sgl,
-		unsigned int sg_len, enum dma_data_direction direction,
-		unsigned long flags);
-	void (*device_terminate_all)(struct dma_chan *chan);
-
-	enum dma_status (*device_is_tx_complete)(struct dma_chan *chan,
-			dma_cookie_t cookie, dma_cookie_t *last,
-			dma_cookie_t *used);
-	void (*device_issue_pending)(struct dma_chan *chan);
-};
-
-/* --- public DMA engine API --- */
-
-#ifdef CONFIG_DMA_ENGINE
-void dmaengine_get(void);
-void dmaengine_put(void);
-#else
-static inline void dmaengine_get(void)
-{
-}
-static inline void dmaengine_put(void)
-{
-}
-#endif
-
-#ifdef CONFIG_NET_DMA
-#define net_dmaengine_get()	dmaengine_get()
-#define net_dmaengine_put()	dmaengine_put()
-#else
-static inline void net_dmaengine_get(void)
-{
-}
-static inline void net_dmaengine_put(void)
-{
-}
-#endif
-
-dma_cookie_t dma_async_memcpy_buf_to_buf(struct dma_chan *chan,
-	void *dest, void *src, size_t len);
-dma_cookie_t dma_async_memcpy_buf_to_pg(struct dma_chan *chan,
-	struct page *page, unsigned int offset, void *kdata, size_t len);
-dma_cookie_t dma_async_memcpy_pg_to_pg(struct dma_chan *chan,
-	struct page *dest_pg, unsigned int dest_off, struct page *src_pg,
-	unsigned int src_off, size_t len);
-void dma_async_tx_descriptor_init(struct dma_async_tx_descriptor *tx,
-	struct dma_chan *chan);
-
-static inline void async_tx_ack(struct dma_async_tx_descriptor *tx)
-{
-	tx->flags |= DMA_CTRL_ACK;
-}
-
-static inline void async_tx_clear_ack(struct dma_async_tx_descriptor *tx)
-{
-	tx->flags &= ~DMA_CTRL_ACK;
-}
-
-static inline bool async_tx_test_ack(struct dma_async_tx_descriptor *tx)
-{
-	return (tx->flags & DMA_CTRL_ACK) == DMA_CTRL_ACK;
-}
-
-#define first_dma_cap(mask) __first_dma_cap(&(mask))
-static inline int __first_dma_cap(const dma_cap_mask_t *srcp)
-{
-	return min_t(int, DMA_TX_TYPE_END,
-		find_first_bit(srcp->bits, DMA_TX_TYPE_END));
-}
-
-#define next_dma_cap(n, mask) __next_dma_cap((n), &(mask))
-static inline int __next_dma_cap(int n, const dma_cap_mask_t *srcp)
-{
-	return min_t(int, DMA_TX_TYPE_END,
-		find_next_bit(srcp->bits, DMA_TX_TYPE_END, n+1));
-}
-
-#define dma_cap_set(tx, mask) __dma_cap_set((tx), &(mask))
-static inline void
-__dma_cap_set(enum dma_transaction_type tx_type, dma_cap_mask_t *dstp)
-{
-	set_bit(tx_type, dstp->bits);
-}
-
-#define dma_cap_zero(mask) __dma_cap_zero(&(mask))
-static inline void __dma_cap_zero(dma_cap_mask_t *dstp)
-{
-	bitmap_zero(dstp->bits, DMA_TX_TYPE_END);
-}
-
-#define dma_has_cap(tx, mask) __dma_has_cap((tx), &(mask))
-static inline int
-__dma_has_cap(enum dma_transaction_type tx_type, dma_cap_mask_t *srcp)
-{
-	return test_bit(tx_type, srcp->bits);
-}
-
-#define for_each_dma_cap_mask(cap, mask) \
-	for ((cap) = first_dma_cap(mask);	\
-		(cap) < DMA_TX_TYPE_END;	\
-		(cap) = next_dma_cap((cap), (mask)))
-
-/**
- * dma_async_issue_pending - flush pending transactions to HW
- * @chan: target DMA channel
- *
- * This allows drivers to push copies to HW in batches,
- * reducing MMIO writes where possible.
- */
-static inline void dma_async_issue_pending(struct dma_chan *chan)
-{
-	chan->device->device_issue_pending(chan);
-}
-
-#define dma_async_memcpy_issue_pending(chan) dma_async_issue_pending(chan)
-
-/**
- * dma_async_is_tx_complete - poll for transaction completion
- * @chan: DMA channel
- * @cookie: transaction identifier to check status of
- * @last: returns last completed cookie, can be NULL
- * @used: returns last issued cookie, can be NULL
- *
- * If @last and @used are passed in, upon return they reflect the driver
- * internal state and can be used with dma_async_is_complete() to check
- * the status of multiple cookies without re-checking hardware state.
- */
-static inline enum dma_status dma_async_is_tx_complete(struct dma_chan *chan,
-	dma_cookie_t cookie, dma_cookie_t *last, dma_cookie_t *used)
-{
-	return chan->device->device_is_tx_complete(chan, cookie, last, used);
-}
-
-#define dma_async_memcpy_complete(chan, cookie, last, used)\
-	dma_async_is_tx_complete(chan, cookie, last, used)
-
-/**
- * dma_async_is_complete - test a cookie against chan state
- * @cookie: transaction identifier to test status of
- * @last_complete: last know completed transaction
- * @last_used: last cookie value handed out
- *
- * dma_async_is_complete() is used in dma_async_memcpy_complete()
- * the test logic is separated for lightweight testing of multiple cookies
- */
-static inline enum dma_status dma_async_is_complete(dma_cookie_t cookie,
-			dma_cookie_t last_complete, dma_cookie_t last_used)
-{
-	if (last_complete <= last_used) {
-		if ((cookie <= last_complete) || (cookie > last_used))
-			return DMA_SUCCESS;
-	} else {
-		if ((cookie <= last_complete) && (cookie > last_used))
-			return DMA_SUCCESS;
-	}
-	return DMA_IN_PROGRESS;
-}
-
-enum dma_status dma_sync_wait(struct dma_chan *chan, dma_cookie_t cookie);
-#ifdef CONFIG_DMA_ENGINE
-enum dma_status dma_wait_for_async_tx(struct dma_async_tx_descriptor *tx);
-void dma_issue_pending_all(void);
-#else
-static inline enum dma_status dma_wait_for_async_tx(struct dma_async_tx_descriptor *tx)
-{
-	return DMA_SUCCESS;
-}
-static inline void dma_issue_pending_all(void)
-{
-	do { } while (0);
-}
-#endif
-
-/* --- DMA device --- */
-
-int dma_async_device_register(struct dma_device *device);
-void dma_async_device_unregister(struct dma_device *device);
-void dma_run_dependencies(struct dma_async_tx_descriptor *tx);
-struct dma_chan *dma_find_channel(enum dma_transaction_type tx_type);
-#define dma_request_channel(mask, x, y) __dma_request_channel(&(mask), x, y)
-struct dma_chan *__dma_request_channel(dma_cap_mask_t *mask, dma_filter_fn fn, void *fn_param);
-void dma_release_channel(struct dma_chan *chan);
-
-/* --- Helper iov-locking functions --- */
-
-struct dma_page_list {
-	char __user *base_address;
-	int nr_pages;
-	struct page **pages;
-};
-
-struct dma_pinned_list {
-	int nr_iovecs;
-	struct dma_page_list page_list[0];
-};
-
-struct dma_pinned_list *dma_pin_iovec_pages(struct iovec *iov, size_t len);
-void dma_unpin_iovec_pages(struct dma_pinned_list* pinned_list);
-
-dma_cookie_t dma_memcpy_to_iovec(struct dma_chan *chan, struct iovec *iov,
-	struct dma_pinned_list *pinned_list, unsigned char *kdata, size_t len);
-dma_cookie_t dma_memcpy_pg_to_iovec(struct dma_chan *chan, struct iovec *iov,
-	struct dma_pinned_list *pinned_list, struct page *page,
-	unsigned int offset, size_t len);
-
-#endif /* DMAENGINE_H */