static void vx2_outl(struct vx_core *chip, int offset, unsigned int val)
{
/*
*/
outl(val, vx2_reg_addr(chip, offset));
}
/* pseudo-dma write */
static void vx2_dma_write(struct vx_core *chip, struct snd_pcm_runtime *runtime,
struct vx_pipe *pipe, int count)
{
unsigned long port = vx2_reg_addr(chip, VX_DMA);
int offset = pipe->hw_ptr;
u32 *addr = (u32 *)(runtime->dma_area + offset);
snd_assert(count % 4 == 0, return);
vx2_setup_pseudo_dma(chip, 1);
/* Transfer using pseudo-dma.
*/
if (offset + count > pipe->buffer_bytes) {
int length = pipe->buffer_bytes - offset;
count -= length;
length >>= 2; /* in 32bit words */
/* Transfer using pseudo-dma. */
while (length-- > 0) {
outl(cpu_to_le32(*addr), port);
addr++;
}
addr = (u32 *)runtime->dma_area;
pipe->hw_ptr = 0;
}
static void vx2_outb(struct vx_core *chip, int offset, unsigned char val)
{
outb(val, vx2_reg_addr(chip, offset));
/*
*/
}
static void vx2_dma_write(struct vx_core *chip, struct snd_pcm_runtime *runtime,
struct vx_pipe *pipe, int count)
{
unsigned long port = vx2_reg_addr(chip, VX_DMA);
int offset = pipe->hw_ptr;
u32 *addr = (u32 *)(runtime->dma_area + offset);
if (snd_BUG_ON(count % 4))
return;
vx2_setup_pseudo_dma(chip, 1);
if (offset + count > pipe->buffer_bytes) {
int length = pipe->buffer_bytes - offset;
count -= length;
length >>= 2;
while (length-- > 0) {
outl(cpu_to_le32(*addr), port);
addr++;
}
addr = (u32 *)runtime->dma_area;
pipe->hw_ptr = 0;
}
/**
* snd_vx_inb - read a byte from the register
* @offset: register enum
*/
static unsigned char vx2_inb(struct vx_core *chip, int offset)
{
return inb(vx2_reg_addr(chip, offset));
}
/**
* snd_vx_outl - write a 32bit word on the register
* @offset: the register enum
* @val: the value to write
*/
static void vx2_outl(struct vx_core *chip, int offset, unsigned int val)
{
// printk("outl: %x -> %x\n", val, vx2_reg_addr(chip, offset));
outl(val, vx2_reg_addr(chip, offset));
}
/**
* snd_vx_outb - write a byte on the register
* @offset: the register offset
* @val: the value to write
*/
static void vx2_outb(struct vx_core *chip, int offset, unsigned char val)
{
outb(val, vx2_reg_addr(chip, offset));
//printk("outb: %x -> %x\n", val, vx2_reg_addr(chip, offset));
}
/**
* snd_vx_inl - read a 32bit word from the register
* @offset: register enum
*/
static unsigned int vx2_inl(vx_core_t *chip, int offset)
{
return inl(vx2_reg_addr(chip, offset));
}
