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author | Linus Walleij <linus.walleij@linaro.org> | 2013-01-04 14:12:13 +0100 |
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committer | Linus Walleij <linus.walleij@linaro.org> | 2013-01-07 17:36:37 +0100 |
commit | d70a8ed3121e67da8e8bb713d592d9498916c58e (patch) | |
tree | 4527da2094e41f2d3cfb5a7a948f4669b0301fca /drivers/dma/coh901318_lli.h | |
parent | 03b5357c3005e097f314136bade3683a0525b68f (diff) | |
download | lwn-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.h | 122 |
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 */ |