#define MPU401_MODE_INPUT_TIMER (1<<0)
#define MPU401_MODE_OUTPUT_TIMER (1<<1)
-typedef struct _snd_mpu401 mpu401_t;
-
-struct _snd_mpu401 {
- snd_rawmidi_t *rmidi;
+struct snd_mpu401 {
+ struct snd_rawmidi *rmidi;
unsigned short hardware; /* MPU401_HW_XXXX */
unsigned long port; /* base port of MPU-401 chip */
unsigned long mode; /* MPU401_MODE_XXXX */
int timer_invoked;
- int (*open_input) (mpu401_t * mpu);
- void (*close_input) (mpu401_t * mpu);
- int (*open_output) (mpu401_t * mpu);
- void (*close_output) (mpu401_t * mpu);
+ int (*open_input) (struct snd_mpu401 * mpu);
+ void (*close_input) (struct snd_mpu401 * mpu);
+ int (*open_output) (struct snd_mpu401 * mpu);
+ void (*close_output) (struct snd_mpu401 * mpu);
void *private_data;
- snd_rawmidi_substream_t *substream_input;
- snd_rawmidi_substream_t *substream_output;
+ struct snd_rawmidi_substream *substream_input;
+ struct snd_rawmidi_substream *substream_output;
spinlock_t input_lock;
spinlock_t output_lock;
struct timer_list timer;
- void (*write) (mpu401_t * mpu, unsigned char data, unsigned long addr);
- unsigned char (*read) (mpu401_t * mpu, unsigned long addr);
+ void (*write) (struct snd_mpu401 * mpu, unsigned char data, unsigned long addr);
+ unsigned char (*read) (struct snd_mpu401 *mpu, unsigned long addr);
};
/* I/O ports */
irqreturn_t snd_mpu401_uart_interrupt(int irq, void *dev_id, struct pt_regs *regs);
-int snd_mpu401_uart_new(snd_card_t * card,
+int snd_mpu401_uart_new(struct snd_card *card,
int device,
unsigned short hardware,
unsigned long port,
int integrated,
int irq,
int irq_flags,
- snd_rawmidi_t ** rrawmidi);
+ struct snd_rawmidi ** rrawmidi);
#endif /* __SOUND_MPU401_H */
MODULE_DESCRIPTION("Routines for control of MPU-401 in UART mode");
MODULE_LICENSE("GPL");
-static void snd_mpu401_uart_input_read(mpu401_t * mpu);
-static void snd_mpu401_uart_output_write(mpu401_t * mpu);
+static void snd_mpu401_uart_input_read(struct snd_mpu401 * mpu);
+static void snd_mpu401_uart_output_write(struct snd_mpu401 * mpu);
/*
#define MPU401_ACK 0xfe
/* Build in lowlevel io */
-static void mpu401_write_port(mpu401_t *mpu, unsigned char data, unsigned long addr)
+static void mpu401_write_port(struct snd_mpu401 *mpu, unsigned char data, unsigned long addr)
{
outb(data, addr);
}
-static unsigned char mpu401_read_port(mpu401_t *mpu, unsigned long addr)
+static unsigned char mpu401_read_port(struct snd_mpu401 *mpu, unsigned long addr)
{
return inb(addr);
}
-static void mpu401_write_mmio(mpu401_t *mpu, unsigned char data, unsigned long addr)
+static void mpu401_write_mmio(struct snd_mpu401 *mpu, unsigned char data, unsigned long addr)
{
writeb(data, (void __iomem *)addr);
}
-static unsigned char mpu401_read_mmio(mpu401_t *mpu, unsigned long addr)
+static unsigned char mpu401_read_mmio(struct snd_mpu401 *mpu, unsigned long addr)
{
return readb((void __iomem *)addr);
}
/* */
-static void snd_mpu401_uart_clear_rx(mpu401_t *mpu)
+static void snd_mpu401_uart_clear_rx(struct snd_mpu401 *mpu)
{
int timeout = 100000;
for (; timeout > 0 && snd_mpu401_input_avail(mpu); timeout--)
#endif
}
-static void _snd_mpu401_uart_interrupt(mpu401_t *mpu)
+static void _snd_mpu401_uart_interrupt(struct snd_mpu401 *mpu)
{
spin_lock(&mpu->input_lock);
if (test_bit(MPU401_MODE_BIT_INPUT, &mpu->mode)) {
*/
irqreturn_t snd_mpu401_uart_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
- mpu401_t *mpu = dev_id;
+ struct snd_mpu401 *mpu = dev_id;
if (mpu == NULL)
return IRQ_NONE;
*/
static void snd_mpu401_uart_timer(unsigned long data)
{
- mpu401_t *mpu = (mpu401_t *)data;
+ struct snd_mpu401 *mpu = (struct snd_mpu401 *)data;
spin_lock(&mpu->timer_lock);
/*mpu->mode |= MPU401_MODE_TIMER;*/
/*
* initialize the timer callback if not programmed yet
*/
-static void snd_mpu401_uart_add_timer (mpu401_t *mpu, int input)
+static void snd_mpu401_uart_add_timer (struct snd_mpu401 *mpu, int input)
{
unsigned long flags;
/*
* remove the timer callback if still active
*/
-static void snd_mpu401_uart_remove_timer (mpu401_t *mpu, int input)
+static void snd_mpu401_uart_remove_timer (struct snd_mpu401 *mpu, int input)
{
unsigned long flags;
*/
-static void snd_mpu401_uart_cmd(mpu401_t * mpu, unsigned char cmd, int ack)
+static void snd_mpu401_uart_cmd(struct snd_mpu401 * mpu, unsigned char cmd, int ack)
{
unsigned long flags;
int timeout, ok;
/*
* input/output open/close - protected by open_mutex in rawmidi.c
*/
-static int snd_mpu401_uart_input_open(snd_rawmidi_substream_t * substream)
+static int snd_mpu401_uart_input_open(struct snd_rawmidi_substream *substream)
{
- mpu401_t *mpu;
+ struct snd_mpu401 *mpu;
int err;
mpu = substream->rmidi->private_data;
return 0;
}
-static int snd_mpu401_uart_output_open(snd_rawmidi_substream_t * substream)
+static int snd_mpu401_uart_output_open(struct snd_rawmidi_substream *substream)
{
- mpu401_t *mpu;
+ struct snd_mpu401 *mpu;
int err;
mpu = substream->rmidi->private_data;
return 0;
}
-static int snd_mpu401_uart_input_close(snd_rawmidi_substream_t * substream)
+static int snd_mpu401_uart_input_close(struct snd_rawmidi_substream *substream)
{
- mpu401_t *mpu;
+ struct snd_mpu401 *mpu;
mpu = substream->rmidi->private_data;
clear_bit(MPU401_MODE_BIT_INPUT, &mpu->mode);
return 0;
}
-static int snd_mpu401_uart_output_close(snd_rawmidi_substream_t * substream)
+static int snd_mpu401_uart_output_close(struct snd_rawmidi_substream *substream)
{
- mpu401_t *mpu;
+ struct snd_mpu401 *mpu;
mpu = substream->rmidi->private_data;
clear_bit(MPU401_MODE_BIT_OUTPUT, &mpu->mode);
/*
* trigger input callback
*/
-static void snd_mpu401_uart_input_trigger(snd_rawmidi_substream_t * substream, int up)
+static void snd_mpu401_uart_input_trigger(struct snd_rawmidi_substream *substream, int up)
{
unsigned long flags;
- mpu401_t *mpu;
+ struct snd_mpu401 *mpu;
int max = 64;
mpu = substream->rmidi->private_data;
* transfer input pending data
* call with input_lock spinlock held
*/
-static void snd_mpu401_uart_input_read(mpu401_t * mpu)
+static void snd_mpu401_uart_input_read(struct snd_mpu401 * mpu)
{
int max = 128;
unsigned char byte;
* write output pending bytes
* call with output_lock spinlock held
*/
-static void snd_mpu401_uart_output_write(mpu401_t * mpu)
+static void snd_mpu401_uart_output_write(struct snd_mpu401 * mpu)
{
unsigned char byte;
int max = 256, timeout;
/*
* output trigger callback
*/
-static void snd_mpu401_uart_output_trigger(snd_rawmidi_substream_t * substream, int up)
+static void snd_mpu401_uart_output_trigger(struct snd_rawmidi_substream *substream, int up)
{
unsigned long flags;
- mpu401_t *mpu;
+ struct snd_mpu401 *mpu;
mpu = substream->rmidi->private_data;
if (up) {
*/
-static snd_rawmidi_ops_t snd_mpu401_uart_output =
+static struct snd_rawmidi_ops snd_mpu401_uart_output =
{
.open = snd_mpu401_uart_output_open,
.close = snd_mpu401_uart_output_close,
.trigger = snd_mpu401_uart_output_trigger,
};
-static snd_rawmidi_ops_t snd_mpu401_uart_input =
+static struct snd_rawmidi_ops snd_mpu401_uart_input =
{
.open = snd_mpu401_uart_input_open,
.close = snd_mpu401_uart_input_close,
.trigger = snd_mpu401_uart_input_trigger,
};
-static void snd_mpu401_uart_free(snd_rawmidi_t *rmidi)
+static void snd_mpu401_uart_free(struct snd_rawmidi *rmidi)
{
- mpu401_t *mpu = rmidi->private_data;
+ struct snd_mpu401 *mpu = rmidi->private_data;
if (mpu->irq_flags && mpu->irq >= 0)
free_irq(mpu->irq, (void *) mpu);
release_and_free_resource(mpu->res);
*
* Note that the rawmidi instance is returned on the rrawmidi argument,
* not the mpu401 instance itself. To access to the mpu401 instance,
- * cast from rawmidi->private_data (with mpu401_t magic-cast).
+ * cast from rawmidi->private_data (with struct snd_mpu401 magic-cast).
*
* Returns zero if successful, or a negative error code.
*/
-int snd_mpu401_uart_new(snd_card_t * card, int device,
+int snd_mpu401_uart_new(struct snd_card *card, int device,
unsigned short hardware,
unsigned long port, int integrated,
int irq, int irq_flags,
- snd_rawmidi_t ** rrawmidi)
+ struct snd_rawmidi ** rrawmidi)
{
- mpu401_t *mpu;
- snd_rawmidi_t *rmidi;
+ struct snd_mpu401 *mpu;
+ struct snd_rawmidi *rmidi;
int err;
if (rrawmidi)