diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-04 16:38:36 -0800 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-04 16:38:36 -0800 |
commit | 4da5cc2cec8caec1d357053e85a7a32f243f93a1 (patch) | |
tree | 3f8b603af4af88f86be7ec1d4e3639a7fc9dd1a6 /sound/pci/emu10k1/memory.c | |
parent | 25c862cc9ea9b312c25a9f577f91b973131f1261 (diff) | |
parent | c6f43290ae687c11cdcd150d8bfeb57ec29cfa5b (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/perex/alsa
Diffstat (limited to 'sound/pci/emu10k1/memory.c')
-rw-r--r-- | sound/pci/emu10k1/memory.c | 94 |
1 files changed, 49 insertions, 45 deletions
diff --git a/sound/pci/emu10k1/memory.c b/sound/pci/emu10k1/memory.c index d42e4aeaa73..68c795c0310 100644 --- a/sound/pci/emu10k1/memory.c +++ b/sound/pci/emu10k1/memory.c @@ -48,7 +48,7 @@ #define set_silent_ptb(emu,page) __set_ptb_entry(emu,page,emu->silent_page.addr) #else /* fill PTB entries -- we need to fill UNIT_PAGES entries */ -static inline void set_ptb_entry(emu10k1_t *emu, int page, dma_addr_t addr) +static inline void set_ptb_entry(struct snd_emu10k1 *emu, int page, dma_addr_t addr) { int i; page *= UNIT_PAGES; @@ -57,7 +57,7 @@ static inline void set_ptb_entry(emu10k1_t *emu, int page, dma_addr_t addr) addr += EMUPAGESIZE; } } -static inline void set_silent_ptb(emu10k1_t *emu, int page) +static inline void set_silent_ptb(struct snd_emu10k1 *emu, int page) { int i; page *= UNIT_PAGES; @@ -70,14 +70,14 @@ static inline void set_silent_ptb(emu10k1_t *emu, int page) /* */ -static int synth_alloc_pages(emu10k1_t *hw, emu10k1_memblk_t *blk); -static int synth_free_pages(emu10k1_t *hw, emu10k1_memblk_t *blk); +static int synth_alloc_pages(struct snd_emu10k1 *hw, struct snd_emu10k1_memblk *blk); +static int synth_free_pages(struct snd_emu10k1 *hw, struct snd_emu10k1_memblk *blk); -#define get_emu10k1_memblk(l,member) list_entry(l, emu10k1_memblk_t, member) +#define get_emu10k1_memblk(l,member) list_entry(l, struct snd_emu10k1_memblk, member) /* initialize emu10k1 part */ -static void emu10k1_memblk_init(emu10k1_memblk_t *blk) +static void emu10k1_memblk_init(struct snd_emu10k1_memblk *blk) { blk->mapped_page = -1; INIT_LIST_HEAD(&blk->mapped_link); @@ -96,7 +96,7 @@ static void emu10k1_memblk_init(emu10k1_memblk_t *blk) * in nextp * if not found, return a negative error code. */ -static int search_empty_map_area(emu10k1_t *emu, int npages, struct list_head **nextp) +static int search_empty_map_area(struct snd_emu10k1 *emu, int npages, struct list_head **nextp) { int page = 0, found_page = -ENOMEM; int max_size = npages; @@ -105,7 +105,7 @@ static int search_empty_map_area(emu10k1_t *emu, int npages, struct list_head ** struct list_head *pos; list_for_each (pos, &emu->mapped_link_head) { - emu10k1_memblk_t *blk = get_emu10k1_memblk(pos, mapped_link); + struct snd_emu10k1_memblk *blk = get_emu10k1_memblk(pos, mapped_link); snd_assert(blk->mapped_page >= 0, continue); size = blk->mapped_page - page; if (size == npages) { @@ -134,7 +134,7 @@ static int search_empty_map_area(emu10k1_t *emu, int npages, struct list_head ** * * call with memblk_lock held */ -static int map_memblk(emu10k1_t *emu, emu10k1_memblk_t *blk) +static int map_memblk(struct snd_emu10k1 *emu, struct snd_emu10k1_memblk *blk) { int page, pg; struct list_head *next; @@ -161,11 +161,11 @@ static int map_memblk(emu10k1_t *emu, emu10k1_memblk_t *blk) * * call with memblk_lock held */ -static int unmap_memblk(emu10k1_t *emu, emu10k1_memblk_t *blk) +static int unmap_memblk(struct snd_emu10k1 *emu, struct snd_emu10k1_memblk *blk) { int start_page, end_page, mpage, pg; struct list_head *p; - emu10k1_memblk_t *q; + struct snd_emu10k1_memblk *q; /* calculate the expected size of empty region */ if ((p = blk->mapped_link.prev) != &emu->mapped_link_head) { @@ -197,11 +197,11 @@ static int unmap_memblk(emu10k1_t *emu, emu10k1_memblk_t *blk) * * unlike synth_alloc the memory block is aligned to the page start */ -static emu10k1_memblk_t * -search_empty(emu10k1_t *emu, int size) +static struct snd_emu10k1_memblk * +search_empty(struct snd_emu10k1 *emu, int size) { struct list_head *p; - emu10k1_memblk_t *blk; + struct snd_emu10k1_memblk *blk; int page, psize; psize = get_aligned_page(size + PAGE_SIZE -1); @@ -217,7 +217,7 @@ search_empty(emu10k1_t *emu, int size) __found_pages: /* create a new memory block */ - blk = (emu10k1_memblk_t *)__snd_util_memblk_new(emu->memhdr, psize << PAGE_SHIFT, p->prev); + blk = (struct snd_emu10k1_memblk *)__snd_util_memblk_new(emu->memhdr, psize << PAGE_SHIFT, p->prev); if (blk == NULL) return NULL; blk->mem.offset = aligned_page_offset(page); /* set aligned offset */ @@ -229,7 +229,7 @@ __found_pages: /* * check if the given pointer is valid for pages */ -static int is_valid_page(emu10k1_t *emu, dma_addr_t addr) +static int is_valid_page(struct snd_emu10k1 *emu, dma_addr_t addr) { if (addr & ~emu->dma_mask) { snd_printk(KERN_ERR "max memory size is 0x%lx (addr = 0x%lx)!!\n", emu->dma_mask, (unsigned long)addr); @@ -248,12 +248,12 @@ static int is_valid_page(emu10k1_t *emu, dma_addr_t addr) * if no empty pages are found, tries to release unsed memory blocks * and retry the mapping. */ -int snd_emu10k1_memblk_map(emu10k1_t *emu, emu10k1_memblk_t *blk) +int snd_emu10k1_memblk_map(struct snd_emu10k1 *emu, struct snd_emu10k1_memblk *blk) { int err; int size; struct list_head *p, *nextp; - emu10k1_memblk_t *deleted; + struct snd_emu10k1_memblk *deleted; unsigned long flags; spin_lock_irqsave(&emu->memblk_lock, flags); @@ -288,13 +288,13 @@ int snd_emu10k1_memblk_map(emu10k1_t *emu, emu10k1_memblk_t *blk) /* * page allocation for DMA */ -snd_util_memblk_t * -snd_emu10k1_alloc_pages(emu10k1_t *emu, snd_pcm_substream_t *substream) +struct snd_util_memblk * +snd_emu10k1_alloc_pages(struct snd_emu10k1 *emu, struct snd_pcm_substream *substream) { - snd_pcm_runtime_t *runtime = substream->runtime; + struct snd_pcm_runtime *runtime = substream->runtime; struct snd_sg_buf *sgbuf = snd_pcm_substream_sgbuf(substream); - snd_util_memhdr_t *hdr; - emu10k1_memblk_t *blk; + struct snd_util_memhdr *hdr; + struct snd_emu10k1_memblk *blk; int page, err, idx; snd_assert(emu, return NULL); @@ -336,19 +336,19 @@ snd_emu10k1_alloc_pages(emu10k1_t *emu, snd_pcm_substream_t *substream) blk->map_locked = 1; /* do not unmap this block! */ err = snd_emu10k1_memblk_map(emu, blk); if (err < 0) { - __snd_util_mem_free(hdr, (snd_util_memblk_t *)blk); + __snd_util_mem_free(hdr, (struct snd_util_memblk *)blk); up(&hdr->block_mutex); return NULL; } up(&hdr->block_mutex); - return (snd_util_memblk_t *)blk; + return (struct snd_util_memblk *)blk; } /* * release DMA buffer from page table */ -int snd_emu10k1_free_pages(emu10k1_t *emu, snd_util_memblk_t *blk) +int snd_emu10k1_free_pages(struct snd_emu10k1 *emu, struct snd_util_memblk *blk) { snd_assert(emu && blk, return -EINVAL); return snd_emu10k1_synth_free(emu, blk); @@ -363,26 +363,26 @@ int snd_emu10k1_free_pages(emu10k1_t *emu, snd_util_memblk_t *blk) /* * allocate a synth sample area */ -snd_util_memblk_t * -snd_emu10k1_synth_alloc(emu10k1_t *hw, unsigned int size) +struct snd_util_memblk * +snd_emu10k1_synth_alloc(struct snd_emu10k1 *hw, unsigned int size) { - emu10k1_memblk_t *blk; - snd_util_memhdr_t *hdr = hw->memhdr; + struct snd_emu10k1_memblk *blk; + struct snd_util_memhdr *hdr = hw->memhdr; down(&hdr->block_mutex); - blk = (emu10k1_memblk_t *)__snd_util_mem_alloc(hdr, size); + blk = (struct snd_emu10k1_memblk *)__snd_util_mem_alloc(hdr, size); if (blk == NULL) { up(&hdr->block_mutex); return NULL; } if (synth_alloc_pages(hw, blk)) { - __snd_util_mem_free(hdr, (snd_util_memblk_t *)blk); + __snd_util_mem_free(hdr, (struct snd_util_memblk *)blk); up(&hdr->block_mutex); return NULL; } snd_emu10k1_memblk_map(hw, blk); up(&hdr->block_mutex); - return (snd_util_memblk_t *)blk; + return (struct snd_util_memblk *)blk; } @@ -390,10 +390,10 @@ snd_emu10k1_synth_alloc(emu10k1_t *hw, unsigned int size) * free a synth sample area */ int -snd_emu10k1_synth_free(emu10k1_t *emu, snd_util_memblk_t *memblk) +snd_emu10k1_synth_free(struct snd_emu10k1 *emu, struct snd_util_memblk *memblk) { - snd_util_memhdr_t *hdr = emu->memhdr; - emu10k1_memblk_t *blk = (emu10k1_memblk_t *)memblk; + struct snd_util_memhdr *hdr = emu->memhdr; + struct snd_emu10k1_memblk *blk = (struct snd_emu10k1_memblk *)memblk; unsigned long flags; down(&hdr->block_mutex); @@ -409,10 +409,12 @@ snd_emu10k1_synth_free(emu10k1_t *emu, snd_util_memblk_t *memblk) /* check new allocation range */ -static void get_single_page_range(snd_util_memhdr_t *hdr, emu10k1_memblk_t *blk, int *first_page_ret, int *last_page_ret) +static void get_single_page_range(struct snd_util_memhdr *hdr, + struct snd_emu10k1_memblk *blk, + int *first_page_ret, int *last_page_ret) { struct list_head *p; - emu10k1_memblk_t *q; + struct snd_emu10k1_memblk *q; int first_page, last_page; first_page = blk->first_page; if ((p = blk->mem.list.prev) != &hdr->block) { @@ -433,7 +435,7 @@ static void get_single_page_range(snd_util_memhdr_t *hdr, emu10k1_memblk_t *blk, /* * allocate kernel pages */ -static int synth_alloc_pages(emu10k1_t *emu, emu10k1_memblk_t *blk) +static int synth_alloc_pages(struct snd_emu10k1 *emu, struct snd_emu10k1_memblk *blk) { int page, first_page, last_page; struct snd_dma_buffer dmab; @@ -472,7 +474,7 @@ __fail: /* * free pages */ -static int synth_free_pages(emu10k1_t *emu, emu10k1_memblk_t *blk) +static int synth_free_pages(struct snd_emu10k1 *emu, struct snd_emu10k1_memblk *blk) { int page, first_page, last_page; struct snd_dma_buffer dmab; @@ -495,7 +497,7 @@ static int synth_free_pages(emu10k1_t *emu, emu10k1_memblk_t *blk) } /* calculate buffer pointer from offset address */ -static inline void *offset_ptr(emu10k1_t *emu, int page, int offset) +static inline void *offset_ptr(struct snd_emu10k1 *emu, int page, int offset) { char *ptr; snd_assert(page >= 0 && page < emu->max_cache_pages, return NULL); @@ -511,11 +513,12 @@ static inline void *offset_ptr(emu10k1_t *emu, int page, int offset) /* * bzero(blk + offset, size) */ -int snd_emu10k1_synth_bzero(emu10k1_t *emu, snd_util_memblk_t *blk, int offset, int size) +int snd_emu10k1_synth_bzero(struct snd_emu10k1 *emu, struct snd_util_memblk *blk, + int offset, int size) { int page, nextofs, end_offset, temp, temp1; void *ptr; - emu10k1_memblk_t *p = (emu10k1_memblk_t *)blk; + struct snd_emu10k1_memblk *p = (struct snd_emu10k1_memblk *)blk; offset += blk->offset & (PAGE_SIZE - 1); end_offset = offset + size; @@ -538,11 +541,12 @@ int snd_emu10k1_synth_bzero(emu10k1_t *emu, snd_util_memblk_t *blk, int offset, /* * copy_from_user(blk + offset, data, size) */ -int snd_emu10k1_synth_copy_from_user(emu10k1_t *emu, snd_util_memblk_t *blk, int offset, const char __user *data, int size) +int snd_emu10k1_synth_copy_from_user(struct snd_emu10k1 *emu, struct snd_util_memblk *blk, + int offset, const char __user *data, int size) { int page, nextofs, end_offset, temp, temp1; void *ptr; - emu10k1_memblk_t *p = (emu10k1_memblk_t *)blk; + struct snd_emu10k1_memblk *p = (struct snd_emu10k1_memblk *)blk; offset += blk->offset & (PAGE_SIZE - 1); end_offset = offset + size; |