#include <sound/driver.h>
#include <linux/pci.h>
#include <linux/time.h>
+#include <linux/mutex.h>
+
#include <sound/core.h>
#include <sound/emu10k1.h>
#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;
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;
/*
*/
-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);
* 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;
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) {
*
* 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;
*
* 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) {
*
* 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);
__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 */
/*
* 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("max memory size is 0x%lx (addr = 0x%lx)!!\n", emu->dma_mask, (unsigned long)addr);
+ snd_printk(KERN_ERR "max memory size is 0x%lx (addr = 0x%lx)!!\n", emu->dma_mask, (unsigned long)addr);
return 0;
}
if (addr & (EMUPAGESIZE-1)) {
- snd_printk("page is not aligned\n");
+ snd_printk(KERN_ERR "page is not aligned\n");
return 0;
}
return 1;
* 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);
/*
* 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);
hdr = emu->memhdr;
snd_assert(hdr, return NULL);
- down(&hdr->block_mutex);
+ mutex_lock(&hdr->block_mutex);
blk = search_empty(emu, runtime->dma_bytes);
if (blk == NULL) {
- up(&hdr->block_mutex);
+ mutex_unlock(&hdr->block_mutex);
return NULL;
}
/* fill buffer addresses but pointers are not stored so that
if (idx >= sgbuf->pages) {
printk(KERN_ERR "emu: pages overflow! (%d-%d) for %d\n",
blk->first_page, blk->last_page, sgbuf->pages);
- up(&hdr->block_mutex);
+ mutex_unlock(&hdr->block_mutex);
return NULL;
}
#endif
addr = sgbuf->table[idx].addr;
if (! is_valid_page(emu, addr)) {
printk(KERN_ERR "emu: failure page = %d\n", idx);
- up(&hdr->block_mutex);
+ mutex_unlock(&hdr->block_mutex);
return NULL;
}
emu->page_addr_table[page] = addr;
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);
- up(&hdr->block_mutex);
+ __snd_util_mem_free(hdr, (struct snd_util_memblk *)blk);
+ mutex_unlock(&hdr->block_mutex);
return NULL;
}
- up(&hdr->block_mutex);
- return (snd_util_memblk_t *)blk;
+ mutex_unlock(&hdr->block_mutex);
+ 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);
/*
* 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);
+ mutex_lock(&hdr->block_mutex);
+ blk = (struct snd_emu10k1_memblk *)__snd_util_mem_alloc(hdr, size);
if (blk == NULL) {
- up(&hdr->block_mutex);
+ mutex_unlock(&hdr->block_mutex);
return NULL;
}
if (synth_alloc_pages(hw, blk)) {
- __snd_util_mem_free(hdr, (snd_util_memblk_t *)blk);
- up(&hdr->block_mutex);
+ __snd_util_mem_free(hdr, (struct snd_util_memblk *)blk);
+ mutex_unlock(&hdr->block_mutex);
return NULL;
}
snd_emu10k1_memblk_map(hw, blk);
- up(&hdr->block_mutex);
- return (snd_util_memblk_t *)blk;
+ mutex_unlock(&hdr->block_mutex);
+ return (struct snd_util_memblk *)blk;
}
* 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);
+ mutex_lock(&hdr->block_mutex);
spin_lock_irqsave(&emu->memblk_lock, flags);
if (blk->mapped_page >= 0)
unmap_memblk(emu, blk);
spin_unlock_irqrestore(&emu->memblk_lock, flags);
synth_free_pages(emu, blk);
__snd_util_mem_free(hdr, memblk);
- up(&hdr->block_mutex);
+ mutex_unlock(&hdr->block_mutex);
return 0;
}
/* 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) {
/*
* 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;
/*
* 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;
}
/* calculate buffer pointer from offset address */
-inline static 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);
ptr = emu->page_ptr_table[page];
if (! ptr) {
- printk("emu10k1: access to NULL ptr: page = %d\n", page);
+ printk(KERN_ERR "emu10k1: access to NULL ptr: page = %d\n", page);
return NULL;
}
ptr += offset & (PAGE_SIZE - 1);
/*
* 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;
/*
* 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;
git://git.onelab.eu / linux-2.6.git / blobdiff