Lines Matching refs:mpu
305 static inline int verify_mpu401(const struct snd_mpu401 *mpu)
307 return ((inb(MPU401C(mpu)) & 0xc0) == 0x80);
313 static inline void initialise_mpu401(const struct snd_mpu401 *mpu)
315 outb(0, MPU401D(mpu));
783 static int mpu401_open(struct snd_mpu401 *mpu)
785 if (!verify_mpu401(mpu)) {
807 struct snd_mpu401 *mpu = rawmidi->private_data;
808 mpu->open_input = mpu401_open;
809 mpu->open_output = mpu401_open;
810 mpu->private_data = sscape;
812 initialise_mpu401(mpu);