/*
* Header file for MPU-401 and compatible cards
- * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
*
*
* This program is free software; you can redistribute it and/or modify
#define MPU401_HW_PC98II 18 /* Roland PC98II */
#define MPU401_HW_AUREAL 19 /* Aureal Vortex */
+#define MPU401_INFO_INPUT (1 << 0) /* input stream */
+#define MPU401_INFO_OUTPUT (1 << 1) /* output stream */
+#define MPU401_INFO_INTEGRATED (1 << 2) /* integrated h/w port */
+#define MPU401_INFO_MMIO (1 << 3) /* MMIO access */
+#define MPU401_INFO_TX_IRQ (1 << 4) /* independent TX irq */
+#define MPU401_INFO_NO_ACK (1 << 6) /* No ACK cmd needed */
+
#define MPU401_MODE_BIT_INPUT 0
#define MPU401_MODE_BIT_OUTPUT 1
#define MPU401_MODE_BIT_INPUT_TRIGGER 2
#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 int info_flags; /* MPU401_INFO_XXX */
unsigned long port; /* base port of MPU-401 chip */
unsigned long cport; /* port + 1 (usually) */
struct resource *res; /* port resource */
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 */
#define MPU401D(mpu) (mpu)->port
/*
+ * control register bits
+ */
+/* read MPU401C() */
+#define MPU401_RX_EMPTY 0x80
+#define MPU401_TX_FULL 0x40
+
+/* write MPU401C() */
+#define MPU401_RESET 0xff
+#define MPU401_ENTER_UART 0x3f
+
+/* read MPU401D() */
+#define MPU401_ACK 0xfe
+
+
+/*
*/
-irqreturn_t snd_mpu401_uart_interrupt(int irq, void *dev_id, struct pt_regs *regs);
+irqreturn_t snd_mpu401_uart_interrupt(int irq, void *dev_id);
+irqreturn_t snd_mpu401_uart_interrupt_tx(int irq, void *dev_id);
-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,
+ unsigned int info_flags,
int irq,
int irq_flags,
- snd_rawmidi_t ** rrawmidi);
+ struct snd_rawmidi ** rrawmidi);
#endif /* __SOUND_MPU401_H */