static inline unsigned long vxp_reg_addr(struct vx_core *_chip, int reg)
{
- struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+ struct snd_vxpocket *chip = to_vxpocket(_chip);
return chip->port + vxp_reg_offset[reg];
}
static void vxp_reset_dsp(struct vx_core *_chip)
{
- struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+ struct snd_vxpocket *chip = to_vxpocket(_chip);
/* set the reset dsp bit to 1 */
vx_outb(chip, CDSP, chip->regCDSP | VXP_CDSP_DSP_RESET_MASK);
*/
static void vxp_reset_codec(struct vx_core *_chip)
{
- struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+ struct snd_vxpocket *chip = to_vxpocket(_chip);
/* Set the reset CODEC bit to 1. */
vx_outb(chip, CDSP, chip->regCDSP | VXP_CDSP_CODEC_RESET_MASK);
*/
static int vxp_load_xilinx_binary(struct vx_core *_chip, const struct firmware *fw)
{
- struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+ struct snd_vxpocket *chip = to_vxpocket(_chip);
unsigned int i;
int c;
int regCSUER, regRUER;
*/
static int vxp_test_and_ack(struct vx_core *_chip)
{
- struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+ struct snd_vxpocket *chip = to_vxpocket(_chip);
/* not booted yet? */
if (! (_chip->chip_status & VX_STAT_XILINX_LOADED))
*/
static void vxp_validate_irq(struct vx_core *_chip, int enable)
{
- struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+ struct snd_vxpocket *chip = to_vxpocket(_chip);
/* Set the interrupt enable bit to 1 in CDSP register */
if (enable)
*/
static void vx_setup_pseudo_dma(struct vx_core *_chip, int do_write)
{
- struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+ struct snd_vxpocket *chip = to_vxpocket(_chip);
/* Interrupt mode and HREQ pin enabled for host transmit / receive data transfers */
vx_outb(chip, ICR, do_write ? ICR_TREQ : ICR_RREQ);
*/
static void vx_release_pseudo_dma(struct vx_core *_chip)
{
- struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+ struct snd_vxpocket *chip = to_vxpocket(_chip);
/* Disable DMA and 16-bit accesses */
chip->regDIALOG &= ~(VXP_DLG_DMAWRITE_SEL_MASK|
static void vxp_dma_read(struct vx_core *chip, struct snd_pcm_runtime *runtime,
struct vx_pipe *pipe, int count)
{
- struct snd_vxpocket *pchip = (struct snd_vxpocket *)chip;
+ struct snd_vxpocket *pchip = to_vxpocket(chip);
long port = vxp_reg_addr(chip, VX_DMA);
int offset = pipe->hw_ptr;
unsigned short *addr = (unsigned short *)(runtime->dma_area + offset);
*/
void vx_set_mic_boost(struct vx_core *chip, int boost)
{
- struct snd_vxpocket *pchip = (struct snd_vxpocket *)chip;
+ struct snd_vxpocket *pchip = to_vxpocket(chip);
if (chip->chip_status & VX_STAT_IS_STALE)
return;
*/
void vx_set_mic_level(struct vx_core *chip, int level)
{
- struct snd_vxpocket *pchip = (struct snd_vxpocket *)chip;
+ struct snd_vxpocket *pchip = to_vxpocket(chip);
if (chip->chip_status & VX_STAT_IS_STALE)
return;
*/
static void vxp_change_audio_source(struct vx_core *_chip, int src)
{
- struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+ struct snd_vxpocket *chip = to_vxpocket(_chip);
switch (src) {
case VX_AUDIO_SRC_DIGITAL:
*/
static void vxp_set_clock_source(struct vx_core *_chip, int source)
{
- struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+ struct snd_vxpocket *chip = to_vxpocket(_chip);
if (source == INTERNAL_QUARTZ)
chip->regCDSP &= ~VXP_CDSP_CLOCKIN_SEL_MASK;
*/
static void vxp_reset_board(struct vx_core *_chip, int cold_reset)
{
- struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
+ struct snd_vxpocket *chip = to_vxpocket(_chip);
chip->regCDSP = 0;
chip->regDIALOG = 0;