diff options
Diffstat (limited to 'include/sound/mpu401.h')
| -rw-r--r-- | include/sound/mpu401.h | 39 |
1 files changed, 32 insertions, 7 deletions
diff --git a/include/sound/mpu401.h b/include/sound/mpu401.h index 8e97ace78f1..e9420969251 100644 --- a/include/sound/mpu401.h +++ b/include/sound/mpu401.h @@ -3,7 +3,7 @@ /* * 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 @@ -22,7 +22,7 @@ * */ -#include "rawmidi.h" +#include <sound/rawmidi.h> #include <linux/interrupt.h> #define MPU401_HW_MPU401 1 /* native MPU401 */ @@ -45,6 +45,16 @@ #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_IRQ_HOOK (1 << 5) /* mpu401 irq handler is called + from driver irq handler */ +#define MPU401_INFO_NO_ACK (1 << 6) /* No ACK cmd needed */ +#define MPU401_INFO_USE_TIMER (1 << 15) /* internal */ + #define MPU401_MODE_BIT_INPUT 0 #define MPU401_MODE_BIT_OUTPUT 1 #define MPU401_MODE_BIT_INPUT_TRIGGER 2 @@ -62,11 +72,11 @@ 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 */ - int irq; /* IRQ number of MPU-401 chip (-1 = poll) */ - int irq_flags; + int irq; /* IRQ number of MPU-401 chip */ unsigned long mode; /* MPU401_MODE_XXXX */ int timer_invoked; @@ -96,18 +106,33 @@ struct snd_mpu401 { #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(struct snd_card *card, int device, unsigned short hardware, unsigned long port, - int integrated, + unsigned int info_flags, int irq, - int irq_flags, struct snd_rawmidi ** rrawmidi); #endif /* __SOUND_MPU401_H */ |