summaryrefslogtreecommitdiff
path: root/drivers/dma/coh901318_lli.h
diff options
context:
space:
mode:
authorLinus Walleij <linus.walleij@linaro.org>2013-01-04 14:12:13 +0100
committerLinus Walleij <linus.walleij@linaro.org>2013-01-07 17:36:37 +0100
commitd70a8ed3121e67da8e8bb713d592d9498916c58e (patch)
tree4527da2094e41f2d3cfb5a7a948f4669b0301fca /drivers/dma/coh901318_lli.h
parent03b5357c3005e097f314136bade3683a0525b68f (diff)
downloadlwn-d70a8ed3121e67da8e8bb713d592d9498916c58e.tar.gz
lwn-d70a8ed3121e67da8e8bb713d592d9498916c58e.zip
dma: coh901318: merge header files
We do not need two header files for the two parts of the driver to talk to each other so merge them into one. Acked-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/dma/coh901318_lli.h')
-rw-r--r--drivers/dma/coh901318_lli.h122
1 files changed, 0 insertions, 122 deletions
diff --git a/drivers/dma/coh901318_lli.h b/drivers/dma/coh901318_lli.h
deleted file mode 100644
index 0c7caceef63b..000000000000
--- a/drivers/dma/coh901318_lli.h
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * driver/dma/coh901318_lli.h
- *
- * Copyright (C) 2007-2009 ST-Ericsson
- * License terms: GNU General Public License (GPL) version 2
- * Support functions for handling lli for coh901318
- * Author: Per Friden <per.friden@stericsson.com>
- */
-
-#ifndef COH901318_LLI_H
-#define COH901318_LLI_H
-
-struct device;
-
-struct coh901318_pool {
- spinlock_t lock;
- struct dma_pool *dmapool;
- struct device *dev;
-
-#ifdef CONFIG_DEBUG_FS
- int debugfs_pool_counter;
-#endif
-};
-
-struct device;
-/**
- * coh901318_pool_create() - Creates an dma pool for lli:s
- * @pool: pool handle
- * @dev: dma device
- * @lli_nbr: number of lli:s in the pool
- * @algin: address alignemtn of lli:s
- * returns 0 on success otherwise none zero
- */
-int coh901318_pool_create(struct coh901318_pool *pool,
- struct device *dev,
- size_t lli_nbr, size_t align);
-
-/**
- * coh901318_pool_destroy() - Destroys the dma pool
- * @pool: pool handle
- * returns 0 on success otherwise none zero
- */
-int coh901318_pool_destroy(struct coh901318_pool *pool);
-
-/**
- * coh901318_lli_alloc() - Allocates a linked list
- *
- * @pool: pool handle
- * @len: length to list
- * return: none NULL if success otherwise NULL
- */
-struct coh901318_lli *
-coh901318_lli_alloc(struct coh901318_pool *pool,
- unsigned int len);
-
-/**
- * coh901318_lli_free() - Returns the linked list items to the pool
- * @pool: pool handle
- * @lli: reference to lli pointer to be freed
- */
-void coh901318_lli_free(struct coh901318_pool *pool,
- struct coh901318_lli **lli);
-
-/**
- * coh901318_lli_fill_memcpy() - Prepares the lli:s for dma memcpy
- * @pool: pool handle
- * @lli: allocated lli
- * @src: src address
- * @size: transfer size
- * @dst: destination address
- * @ctrl_chained: ctrl for chained lli
- * @ctrl_last: ctrl for the last lli
- * returns number of CPU interrupts for the lli, negative on error.
- */
-int
-coh901318_lli_fill_memcpy(struct coh901318_pool *pool,
- struct coh901318_lli *lli,
- dma_addr_t src, unsigned int size,
- dma_addr_t dst, u32 ctrl_chained, u32 ctrl_last);
-
-/**
- * coh901318_lli_fill_single() - Prepares the lli:s for dma single transfer
- * @pool: pool handle
- * @lli: allocated lli
- * @buf: transfer buffer
- * @size: transfer size
- * @dev_addr: address of periphal
- * @ctrl_chained: ctrl for chained lli
- * @ctrl_last: ctrl for the last lli
- * @dir: direction of transfer (to or from device)
- * returns number of CPU interrupts for the lli, negative on error.
- */
-int
-coh901318_lli_fill_single(struct coh901318_pool *pool,
- struct coh901318_lli *lli,
- dma_addr_t buf, unsigned int size,
- dma_addr_t dev_addr, u32 ctrl_chained, u32 ctrl_last,
- enum dma_transfer_direction dir);
-
-/**
- * coh901318_lli_fill_single() - Prepares the lli:s for dma scatter list transfer
- * @pool: pool handle
- * @lli: allocated lli
- * @sg: scatter gather list
- * @nents: number of entries in sg
- * @dev_addr: address of periphal
- * @ctrl_chained: ctrl for chained lli
- * @ctrl: ctrl of middle lli
- * @ctrl_last: ctrl for the last lli
- * @dir: direction of transfer (to or from device)
- * @ctrl_irq_mask: ctrl mask for CPU interrupt
- * returns number of CPU interrupts for the lli, negative on error.
- */
-int
-coh901318_lli_fill_sg(struct coh901318_pool *pool,
- struct coh901318_lli *lli,
- struct scatterlist *sg, unsigned int nents,
- dma_addr_t dev_addr, u32 ctrl_chained,
- u32 ctrl, u32 ctrl_last,
- enum dma_transfer_direction dir, u32 ctrl_irq_mask);
-
-#endif /* COH901318_LLI_H */