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Linux Kernel
3.7.1
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Linux Kernel
3.7.1
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#include <linux/spinlock.h>#include <linux/memory.h>#include <linux/gfp.h>#include <linux/dmapool.h>#include <mach/coh901318.h>#include "coh901318_lli.h"Go to the source code of this file.
Macros | |
| #define | DEBUGFS_POOL_COUNTER_RESET(pool) |
| #define | DEBUGFS_POOL_COUNTER_ADD(pool, add) |
Functions | |
| int | coh901318_pool_create (struct coh901318_pool *pool, struct device *dev, size_t size, size_t align) |
| int | coh901318_pool_destroy (struct coh901318_pool *pool) |
| struct coh901318_lli * | coh901318_lli_alloc (struct coh901318_pool *pool, unsigned int len) |
| void | coh901318_lli_free (struct coh901318_pool *pool, struct coh901318_lli **lli) |
| int | coh901318_lli_fill_memcpy (struct coh901318_pool *pool, struct coh901318_lli *lli, dma_addr_t source, unsigned int size, dma_addr_t destination, u32 ctrl_chained, u32 ctrl_eom) |
| 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_eom, enum dma_transfer_direction dir) |
| int | coh901318_lli_fill_sg (struct coh901318_pool *pool, struct coh901318_lli *lli, struct scatterlist *sgl, 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) |
Definition at line 23 of file coh901318_lli.c.
| #define DEBUGFS_POOL_COUNTER_RESET | ( | pool | ) |
Definition at line 22 of file coh901318_lli.c.
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read |
coh901318_lli_alloc() - Allocates a linked list
: pool handle : length to list return: none NULL if success otherwise NULL
Definition at line 55 of file coh901318_lli.c.
| 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_memcpy() - Prepares the lli:s for dma memcpy : pool handle : allocated lli : src address : transfer size : destination address : ctrl for chained lli : ctrl for the last lli returns number of CPU interrupts for the lli, negative on error.
Definition at line 142 of file coh901318_lli.c.
| int coh901318_lli_fill_sg | ( | struct coh901318_pool * | pool, |
| struct coh901318_lli * | lli, | ||
| struct scatterlist * | sgl, | ||
| 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 | ||
| ) |
Definition at line 231 of file coh901318_lli.c.
| 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_eom, | ||
| enum dma_transfer_direction | dir | ||
| ) |
Definition at line 175 of file coh901318_lli.c.
| void coh901318_lli_free | ( | struct coh901318_pool * | pool, |
| struct coh901318_lli ** | lli | ||
| ) |
coh901318_lli_free() - Returns the linked list items to the pool : pool handle : reference to lli pointer to be freed
Definition at line 112 of file coh901318_lli.c.
| int coh901318_pool_create | ( | struct coh901318_pool * | pool, |
| struct device * | dev, | ||
| size_t | lli_nbr, | ||
| size_t | align | ||
| ) |
coh901318_pool_create() - Creates an dma pool for lli:s : pool handle : dma device : number of lli:s in the pool : address alignemtn of lli:s returns 0 on success otherwise none zero
Definition at line 35 of file coh901318_lli.c.
| int coh901318_pool_destroy | ( | struct coh901318_pool * | pool | ) |
coh901318_pool_destroy() - Destroys the dma pool : pool handle returns 0 on success otherwise none zero
Definition at line 47 of file coh901318_lli.c.
1.8.2